Artificial substitutes for body parts, and materials inserted into tissue for functional, cosmetic, or therapeutic purposes. Prostheses can be functional, as in the case of artificial arms and legs, or cosmetic, as in the case of an artificial eye. Implants, all surgically inserted or grafted into the body, tend to be used therapeutically. IMPLANTS, EXPERIMENTAL is available for those used experimentally.
The plan and delineation of prostheses in general or a specific prosthesis.
Biocompatible materials placed into (endosseous) or onto (subperiosteal) the jawbone to support a crown, bridge, or artificial tooth, or to stabilize a diseased tooth.
Prostheses used to partially or totally replace a human or animal joint. (from UMDNS, 1999)
Malfunction of implantation shunts, valves, etc., and prosthesis loosening, migration, and breaking.
Replacement for a knee joint.
Replacement for a hip joint.
Rigid, semi-rigid, or inflatable cylindric hydraulic devices, with either combined or separate reservoir and pumping systems, implanted for the surgical treatment of organic ERECTILE DYSFUNCTION.
Small containers or pellets of a solid drug implanted in the body to achieve sustained release of the drug.
A device that substitutes for a heart valve. It may be composed of biological material (BIOPROSTHESIS) and/or synthetic material.
Surgical insertion of a prosthesis.
Artificial device such as an externally-worn camera attached to a stimulator on the RETINA, OPTIC NERVE, or VISUAL CORTEX, intended to restore or amplify vision.
Prosthetic replacements for arms, legs, and parts thereof.
A prosthesis that gains its support, stability, and retention from a substructure that is implanted under the soft tissues of the basal seat of the device and is in contact with bone. (From Boucher's Clinical Dental Terminology, 4th ed)
Implants used to reconstruct and/or cosmetically enhance the female breast. They have an outer shell or envelope of silicone elastomer and are filled with either saline or silicone gel. The outer shell may be either smooth or textured.
Artificial substitutes for body parts and materials inserted into organisms during experimental studies.
The fitting and adjusting of artificial parts of the body. (From Stedman's, 26th ed)
Medical devices which substitute for a nervous system function by electrically stimulating the nerves directly and monitoring the response to the electrical stimulation.
Insertion of an implant into the bone of the mandible or maxilla. The implant has an exposed head which protrudes through the mucosa and is a prosthodontic abutment.
An implant used to replace one or more of the ear ossicles. They are usually made of plastic, Gelfoam, ceramic, or stainless steel.
Rounded objects made of coral, teflon, or alloplastic polymer and covered with sclera, and which are implanted in the orbit following enucleation. An artificial eye (EYE, ARTIFICIAL) is usually attached to the anterior of the orbital implant for cosmetic purposes.
An artificial replacement for one or more natural teeth or part of a tooth, or associated structures, ranging from a portion of a tooth to a complete denture. The dental prosthesis is used for cosmetic or functional reasons, or both. DENTURES and specific types of dentures are also available. (From Boucher's Clinical Dental Terminology, 4th ed, p244 & Jablonski, Dictionary of Dentistry, 1992, p643)
The plan and delineation of dental prostheses in general or a specific dental prosthesis. It does not include DENTURE DESIGN. The framework usually consists of metal.
A ready-made or custom-made prosthesis of glass or plastic shaped and colored to resemble the anterior portion of a normal eye and used for cosmetic reasons. It is attached to the anterior portion of an orbital implant (ORBITAL IMPLANTS) which is placed in the socket of an enucleated or eviscerated eye. (From Dorland, 28th ed)
Devices, usually alloplastic, surgically inserted into or onto the jawbone, which support a single prosthetic tooth and serve either as abutments or as cosmetic replacements for missing teeth.
Surgical insertion of synthetic material to repair injured or diseased heart valves.
Partial or total replacement of a joint.
A dark-gray, metallic element of widespread distribution but occurring in small amounts; atomic number, 22; atomic weight, 47.90; symbol, Ti; specific gravity, 4.5; used for fixation of fractures. (Dorland, 28th ed)
Infections resulting from the implantation of prosthetic devices. The infections may be acquired from intraoperative contamination (early) or hematogenously acquired from other sites (late).
Device constructed of either synthetic or biological material that is used for the repair of injured or diseased blood vessels.
A prosthetic appliance for the replacement of areas of the maxilla, mandible, and face, missing as a result of deformity, disease, injury, or surgery. When the prosthesis replaces portions of the mandible only, it is referred to as MANDIBULAR PROSTHESIS.
A device, activated electronically or by expired pulmonary air, which simulates laryngeal activity and enables a laryngectomized person to speak. Examples of the pneumatic mechanical device are the Tokyo and Van Hunen artificial larynges. Electronic devices include the Western Electric electrolarynx, Tait oral vibrator, Cooper-Rand electrolarynx and the Ticchioni pipe.
Holding a DENTAL PROSTHESIS in place by its design, or by the use of additional devices or adhesives.
A repeat operation for the same condition in the same patient due to disease progression or recurrence, or as followup to failed previous surgery.
Surgical insertion of cylindric hydraulic devices for the treatment of organic ERECTILE DYSFUNCTION.
Implants constructed of materials designed to be absorbed by the body without producing an immune response. They are usually composed of plastics and are frequently used in orthopedics and orthodontics.
Natural teeth or teeth roots used as anchorage for a fixed or removable denture or other prosthesis (such as an implant) serving the same purpose.
Replacement of the hip joint.
Polymers of silicone that are formed by crosslinking and treatment with amorphous silica to increase strength. They have properties similar to vulcanized natural rubber, in that they stretch under tension, retract rapidly, and fully recover to their original dimensions upon release. They are used in the encapsulation of surgical membranes and implants.
Coloring, shading, or tinting of prosthetic components, devices, and materials.
Adhesives used to fix prosthetic devices to bones and to cement bone to bone in difficult fractures. Synthetic resins are commonly used as cements. A mixture of monocalcium phosphate, monohydrate, alpha-tricalcium phosphate, and calcium carbonate with a sodium phosphate solution is also a useful bone paste.
Removable prosthesis constructed over natural teeth or implanted studs.
Surgical insertion of an electronic hearing device (COCHLEAR IMPLANTS) with electrodes to the COCHLEAR NERVE in the inner ear to create sound sensation in patients with residual nerve fibers.
A partial denture attached to prepared natural teeth, roots, or implants by cementation.
The joining of objects by means of a cement (e.g., in fracture fixation, such as in hip arthroplasty for joining of the acetabular component to the femoral component). In dentistry, it is used for the process of attaching parts of a tooth or restorative material to a natural tooth or for the attaching of orthodontic bands to teeth by means of an adhesive.
Prosthesis, usually heart valve, composed of biological material and whose durability depends upon the stability of the material after pretreatment, rather than regeneration by host cell ingrowth. Durability is achieved 1, mechanically by the interposition of a cloth, usually polytetrafluoroethylene, between the host and the graft, and 2, chemically by stabilization of the tissue by intermolecular linking, usually with glutaraldehyde, after removal of antigenic components, or the use of reconstituted and restructured biopolymers.
Absence of teeth from a portion of the mandible and/or maxilla.
Holding a PROSTHESIS in place.
Endosseous dental implantation where implants are fitted with an abutment or where an implant with a transmucosal coronal portion is used immediately (within 1 week) after the initial extraction. Conventionally, the implantation is performed in two stages with more than two months in between the stages.
Specific alloys not less than 85% chromium and nickel or cobalt, with traces of either nickel or cobalt, molybdenum, and other substances. They are used in partial dentures, orthopedic implants, etc.
The distance and direction to which a bone joint can be extended. Range of motion is a function of the condition of the joints, muscles, and connective tissues involved. Joint flexibility can be improved through appropriate MUSCLE STRETCHING EXERCISES.
The mineral component of bones and teeth; it has been used therapeutically as a prosthetic aid and in the prevention and treatment of osteoporosis.
Polyester polymers formed from terephthalic acid or its esters and ethylene glycol. They can be formed into tapes, films or pulled into fibers that are pressed into meshes or woven into fabrics.
Evaluation undertaken to assess the results or consequences of management and procedures used in combating disease in order to determine the efficacy, effectiveness, safety, and practicability of these interventions in individual cases or series.
A mixture of metallic elements or compounds with other metallic or metalloid elements in varying proportions.
The valve between the left ventricle and the ascending aorta which prevents backflow into the left ventricle.
Removal of an implanted therapeutic or prosthetic device.
A general term for the complete loss of the ability to hear from both ears.
The longest and largest bone of the skeleton, it is situated between the hip and the knee.
Replacement of the knee joint.
Synthetic or natural materials, other than DRUGS, that are used to replace or repair any body TISSUES or bodily function.
The part of a limb or tail following amputation that is proximal to the amputated section.
The joint that is formed by the articulation of the head of FEMUR and the ACETABULUM of the PELVIS.
Chronic inflammation and granuloma formation around irritating foreign bodies.
Synthetic thermoplastics that are tough, flexible, inert, and resistant to chemicals and electrical current. They are often used as biocompatible materials for prostheses and implants.
The testing of materials and devices, especially those used for PROSTHESES AND IMPLANTS; SUTURES; TISSUE ADHESIVES; etc., for hardness, strength, durability, safety, efficacy, and biocompatibility.
Surgical insertion of an appliance for the replacement of areas of the maxilla, mandible, and face. When only portions of the mandible are replaced, it is referred to as MANDIBULAR PROSTHESIS IMPLANTATION.
Pathologic processes that affect patients after a surgical procedure. They may or may not be related to the disease for which the surgery was done, and they may or may not be direct results of the surgery.
A vinyl polymer made from ethylene. It can be branched or linear. Branched or low-density polyethylene is tough and pliable but not to the same degree as linear polyethylene. Linear or high-density polyethylene has a greater hardness and tensile strength. Polyethylene is used in a variety of products, including implants and prostheses.
A broad family of synthetic organosiloxane polymers containing a repeating silicon-oxygen backbone with organic side groups attached via carbon-silicon bonds. Depending on their structure, they are classified as liquids, gels, and elastomers. (From Merck Index, 12th ed)
Inability or inadequacy of a dental restoration or prosthesis to perform as expected.
The retention of a denture in place by design, device, or adhesion.
Appliances that close a cleft or fissure of the palate.
Studies in which individuals or populations are followed to assess the outcome of exposures, procedures, or effects of a characteristic, e.g., occurrence of disease.
The evaluation of incidents involving the loss of function of a device. These evaluations are used for a variety of purposes such as to determine the failure rates, the causes of failures, costs of failures, and the reliability and maintainability of devices.
The properties, processes, and behavior of biological systems under the action of mechanical forces.
Surgical reconstruction of a joint to relieve pain or restore motion.
Procedures used to reconstruct, restore, or improve defective, damaged, or missing structures.
Surgically placed electric conductors through which ELECTRIC STIMULATION is delivered to or electrical activity is recorded from a specific point inside the body.
A complete denture replacing all the natural mandibular teeth and associated structures. It is completely supported by the oral tissue and underlying mandibular bone.
Characteristics or attributes of the outer boundaries of objects, including molecules.
The removal of a limb or other appendage or outgrowth of the body. (Dorland, 28th ed)
The replacement of intervertebral discs in the spinal column with artificial devices. The procedure is done in the lumbar or cervical spine to relieve severe pain resulting from INTERVERTEBRAL DISC DEGENERATION.
Synthetic organosiloxane gels that are formed from synthetic polymers of silicone oxide with organic sidechains (polydimethylsiloxane) by lengthening the polymer chains. Unlike silicone elastomers, they are not treated with amorphous silica. They are used as fillers in breast implants.
The plan, delineation, and location of actual structural elements of dentures. The design can relate to retainers, stress-breakers, occlusal rests, flanges, framework, lingual or palatal bars, reciprocal arms, etc.
The surgical removal of the inner contents of the eye, leaving the sclera intact. It should be differentiated from ORBIT EVISCERATION which removes the entire contents of the orbit, including eyeball, blood vessels, muscles, fat, nerve supply, and periosteum.
A partial denture designed and constructed to be removed readily from the mouth.
A synovial hinge connection formed between the bones of the FEMUR; TIBIA; and PATELLA.
The growth action of bone tissue as it assimilates surgically implanted devices or prostheses to be used as either replacement parts (e.g., hip) or as anchors (e.g., endosseous dental implants).
The second longest bone of the skeleton. It is located on the medial side of the lower leg, articulating with the FIBULA laterally, the TALUS distally, and the FEMUR proximally.
Elements of limited time intervals, contributing to particular results or situations.
A pathological constriction that can occur above (supravalvular stenosis), below (subvalvular stenosis), or at the AORTIC VALVE. It is characterized by restricted outflow from the LEFT VENTRICLE into the AORTA.
Surgery performed in which part of the STAPES, a bone in the middle ear, is removed and a prosthesis is placed to help transmit sound between the middle ear and inner ear.
The plan and delineation of DENTAL IMPLANT fitting with DENTAL ABUTMENT.
The grafting of bone from a donor site to a recipient site.
The valve between the left atrium and left ventricle of the heart.
Devices implanted to control intraocular pressure by allowing aqueous fluid to drain from the anterior chamber. (Hoffman, Pocket Glossary of Ophthalmologic Terminology, 1989)
Types of prosthetic joints in which both wear surfaces of the joint coupling are metallic.
Surgical insertion of BLOOD VESSEL PROSTHESES to repair injured or diseased blood vessels.
Studies used to test etiologic hypotheses in which inferences about an exposure to putative causal factors are derived from data relating to characteristics of persons under study or to events or experiences in their past. The essential feature is that some of the persons under study have the disease or outcome of interest and their characteristics are compared with those of unaffected persons.
The surgical removal of the eyeball leaving the eye muscles and remaining orbital contents intact.
Homopolymer of tetrafluoroethylene. Nonflammable, tough, inert plastic tubing or sheeting; used to line vessels, insulate, protect or lubricate apparatus; also as filter, coating for surgical implants or as prosthetic material. Synonyms: Fluoroflex; Fluoroplast; Ftoroplast; Halon; Polyfene; PTFE; Tetron.
A prosthetic restoration that reproduces the entire surface anatomy of the visible natural crown of a tooth. It may be partial (covering three or more surfaces of a tooth) or complete (covering all surfaces). It is made of gold or other metal, porcelain, or resin.
Zirconium. A rather rare metallic element, atomic number 40, atomic weight 91.22, symbol Zr. (From Dorland, 28th ed)
The process whereby an utterance is decoded into a representation in terms of linguistic units (sequences of phonetic segments which combine to form lexical and grammatical morphemes).
An anabolic steroid used mainly as an anabolic agent in veterinary practice.
Dissolution of bone that particularly involves the removal or loss of calcium.
The articulation between the head of the HUMERUS and the glenoid cavity of the SCAPULA.
Surgical insertion of an inert sac filled with silicone or other material to augment the female form cosmetically.
The part of the pelvis that comprises the pelvic socket where the head of FEMUR joins to form HIP JOINT (acetabulofemoral joint).
The largest and strongest bone of the FACE constituting the lower jaw. It supports the lower teeth.
Preprosthetic surgery involving rib, cartilage, or iliac crest bone grafts, usually autologous, or synthetic implants for rebuilding the alveolar ridge.
The use of computers for designing and/or manufacturing of anything, including drugs, surgical procedures, orthotics, and prosthetics.
A prosthetic appliance for the replacement of areas of the mandible missing or defective as a result of deformity, disease, injury, or surgery.
Tantalum. A rare metallic element, atomic number 73, atomic weight 180.948, symbol Ta. It is a noncorrosive and malleable metal that has been used for plates or disks to replace cranial defects, for wire sutures, and for making prosthetic devices. (Dorland, 28th ed)
The shrinkage of the foreign body encapsulation scar tissue that forms around artificial implants imbedded in body tissues.
Bone in humans and primates extending from the SHOULDER JOINT to the ELBOW JOINT.
Noninflammatory degenerative disease of the hip joint which usually appears in late middle or old age. It is characterized by growth or maturational disturbances in the femoral neck and head, as well as acetabular dysplasia. A dominant symptom is pain on weight-bearing or motion.
Biocompatible materials usually used in dental and bone implants that enhance biologic fixation, thereby increasing the bond strength between the coated material and bone, and minimize possible biological effects that may result from the implant itself.
Polymers of organic acids and alcohols, with ester linkages--usually polyethylene terephthalate; can be cured into hard plastic, films or tapes, or fibers which can be woven into fabrics, meshes or velours.
An inflammatory process with loss of supporting bone in the tissues surrounding functioning DENTAL IMPLANTS.
Procedures for correcting HEARING DISORDERS.
Products made by baking or firing nonmetallic minerals (clay and similar materials). In making dental restorations or parts of restorations the material is fused porcelain. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed & Boucher's Clinical Dental Terminology, 4th ed)
Total or partial excision of the larynx.
The branch of philosophy dealing with the nature of the beautiful. It includes beauty, esthetic experience, esthetic judgment, esthetic aspects of medicine, etc.
Any woven or knit material of open texture used in surgery for the repair, reconstruction, or substitution of tissue. The mesh is usually a synthetic fabric made of various polymers. It is occasionally made of metal.
The removal of foreign material and devitalized or contaminated tissue from or adjacent to a traumatic or infected lesion until surrounding healthy tissue is exposed. (Dorland, 27th ed)
Procedure of producing an imprint or negative likeness of the teeth and/or edentulous areas. Impressions are made in plastic material which becomes hardened or set while in contact with the tissue. They are later filled with plaster of Paris or artificial stone to produce a facsimile of the oral structures present. Impressions may be made of a full complement of teeth, of areas where some teeth have been removed, or in a mouth from which all teeth have been extracted. (Illustrated Dictionary of Dentistry, 1982)
A complete denture replacing all the natural maxillary teeth and associated maxillary structures. It is completely supported by the oral tissue and underlying maxillary bone.
Methods of creating machines and devices.
Pathological condition characterized by the backflow of blood from the ASCENDING AORTA back into the LEFT VENTRICLE, leading to regurgitation. It is caused by diseases of the AORTIC VALVE or its surrounding tissue (aortic root).
Specialized devices used in ORTHOPEDIC SURGERY to repair bone fractures.
The portion of the upper rounded extremity fitting into the glenoid cavity of the SCAPULA. (from Stedman, 27th ed)
A hinge joint connecting the FOREARM to the ARM.
A purely physical condition which exists within any material because of strain or deformation by external forces or by non-uniform thermal expansion; expressed quantitatively in units of force per unit area.
A computer based method of simulating or analyzing the behavior of structures or components.
Propylene or propene polymers. Thermoplastics that can be extruded into fibers, films or solid forms. They are used as a copolymer in plastics, especially polyethylene. The fibers are used for fabrics, filters and surgical sutures.
The physical state of supporting an applied load. This often refers to the weight-bearing bones or joints that support the body's weight, especially those in the spine, hip, knee, and foot.
The gradual destruction of a metal or alloy due to oxidation or action of a chemical agent. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)
A progressive, degenerative joint disease, the most common form of arthritis, especially in older persons. The disease is thought to result not from the aging process but from biochemical changes and biomechanical stresses affecting articular cartilage. In the foreign literature it is often called osteoarthrosis deformans.
Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group.
A method of speech used after laryngectomy, with sound produced by vibration of the column of air in the esophagus against the contracting cricopharyngeal sphincter. (Dorland, 27th ed)
The total absence of teeth from either the mandible or the maxilla, but not both. Total absence of teeth from both is MOUTH, EDENTULOUS. Partial absence of teeth in either is JAW, EDENTULOUS, PARTIALLY.
Pathological conditions involving any of the various HEART VALVES and the associated structures (PAPILLARY MUSCLES and CHORDAE TENDINEAE).
A dead body, usually a human body.
Devices which are used in the treatment of orthopedic injuries and diseases.
A partial or complete return to the normal or proper physiologic activity of an organ or part following disease or trauma.
Condition of having pores or open spaces. This often refers to bones, bone implants, or bone cements, but can refer to the porous state of any solid substance.
Migration of a foreign body from its original location to some other location in the body.
Fractures of the short, constricted portion of the thigh bone between the femur head and the trochanters. It excludes intertrochanteric fractures which are HIP FRACTURES.
Any of the 23 plates of fibrocartilage found between the bodies of adjacent VERTEBRAE.
Loss of a limb or other bodily appendage by accidental injury.
The methyl esters of methacrylic acid that polymerize easily and are used as tissue cements, dental materials, and absorbent for biological substances.
One of a pair of irregularly shaped bones that form the upper jaw. A maxillary bone provides tooth sockets for the superior teeth, forms part of the ORBIT, and contains the MAXILLARY SINUS.
Materials used in the production of dental bases, restorations, impressions, prostheses, etc.
Partial hearing loss in both ears.
Microscopy in which the object is examined directly by an electron beam scanning the specimen point-by-point. The image is constructed by detecting the products of specimen interactions that are projected above the plane of the sample, such as backscattered electrons. Although SCANNING TRANSMISSION ELECTRON MICROSCOPY also scans the specimen point by point with the electron beam, the image is constructed by detecting the electrons, or their interaction products that are transmitted through the sample plane, so that is a form of TRANSMISSION ELECTRON MICROSCOPY.
Fractures of the femur.
That component of SPEECH which gives the primary distinction to a given speaker's VOICE when pitch and loudness are excluded. It involves both phonatory and resonatory characteristics. Some of the descriptions of voice quality are harshness, breathiness and nasality.
Synthetic or natural materials for the replacement of bones or bone tissue. They include hard tissue replacement polymers, natural coral, hydroxyapatite, beta-tricalcium phosphate, and various other biomaterials. The bone substitutes as inert materials can be incorporated into surrounding tissue or gradually replaced by original tissue.
An oxide of aluminum, occurring in nature as various minerals such as bauxite, corundum, etc. It is used as an adsorbent, desiccating agent, and catalyst, and in the manufacture of dental cements and refractories.
A non-steroidal estrogen analog.
Lack of stability of a joint or joint prosthesis. Factors involved are intra-articular disease and integrity of extra-articular structures such as joint capsule, ligaments, and muscles.
A fabricated tooth substituting for a natural tooth in a prosthesis. It is usually made of porcelain or plastic.
Surgical insertion of an implant to replace one or more of the ear ossicles.
Amputation or separation at a joint. (Dorland, 28th ed)
Persons with any degree of loss of hearing that has an impact on their activities of daily living or that requires special assistance or intervention.
A subjective visual sensation with the eyes closed and in the absence of light. Phosphenes can be spontaneous, or induced by chemical, electrical, or mechanical (pressure) stimuli which cause the visual field to light up without optical inputs.
A denture replacing all natural teeth and associated structures in both the maxilla and mandible.
Tongues of skin and subcutaneous tissue, sometimes including muscle, cut away from the underlying parts but often still attached at one end. They retain their own microvasculature which is also transferred to the new site. They are often used in plastic surgery for filling a defect in a neighboring region.
The process of reuniting or replacing broken or worn parts of a denture.
A group of thermoplastic or thermosetting polymers containing polyisocyanate. They are used as ELASTOMERS, as coatings, as fibers and as foams.
The hemispheric articular surface at the upper extremity of the thigh bone. (Stedman, 26th ed)
Internal devices used in osteosynthesis to hold the position of the fracture in proper alignment. By applying the principles of biomedical engineering, the surgeon uses metal plates, nails, rods, etc., for the correction of skeletal defects.
The flat, triangular bone situated at the anterior part of the KNEE.
A precision device used for attaching a fixed or removable partial denture to the crown of an abutment tooth or a restoration. One type is the intracoronal attachment and the other type is the extracoronal attachment. It consists of a female portion within the coronal portion of the crown of an abutment and a fitted male portion attached to the denture proper. (Jablonski, Dictionary of Dentistry, 1992, p85; from Boucher's Clinical Dental Terminology, 4th ed, p264)
Fractures around joint replacement prosthetics or implants. They can occur intraoperatively or postoperatively.
Surgical procedures conducted with the aid of computers. This is most frequently used in orthopedic and laparoscopic surgery for implant placement and instrument guidance. Image-guided surgery interactively combines prior CT scans or MRI images with real-time video.
Resorption or wasting of the tooth-supporting bone (ALVEOLAR PROCESS) in the MAXILLA or MANDIBLE.
Total lack of teeth through disease or extraction.
Implantable fracture fixation devices attached to bone fragments with screws to bridge the fracture gap and shield the fracture site from stress as bone heals. (UMDNS, 1999)
The description and measurement of the various factors that produce physical stress upon dental restorations, prostheses, or appliances, materials associated with them, or the natural oral structures.
The audibility limit of discriminating sound intensity and pitch.
Fractures of the proximal humerus, including the head, anatomic and surgical necks, and tuberosities.
Electropositive chemical elements characterized by ductility, malleability, luster, and conductance of heat and electricity. They can replace the hydrogen of an acid and form bases with hydroxyl radicals. (Grant & Hackh's Chemical Dictionary, 5th ed)
A partial denture intended for short-term use in a temporary or emergency situation.
Multi-channel hearing devices typically used for patients who have tumors on the COCHLEAR NERVE and are unable to benefit from COCHLEAR IMPLANTS after tumor surgery that severs the cochlear nerve. The device electrically stimulates the nerves of cochlea nucleus in the BRAIN STEM rather than the inner ear as in cochlear implants.
Devices, usually incorporating unidirectional valves, which are surgically inserted in the sclera to maintain normal intraocular pressure.
A complete denture constructed for replacement of natural teeth immediately after their removal. It does not fit the mouth perfectly and is intended only for functional and cosmetic purposes during the healing process after total extraction. It is to be replaced by the fitted permanent denture.
A technique to self-regulate brain activities provided as a feedback in order to better control or enhance one's own performance, control or function. This is done by trying to bring brain activities into a range associated with a desired brain function or status.
The lower chamber of the COCHLEA, extending from the round window to the helicotrema (the opening at the apex that connects the PERILYMPH-filled spaces of scala tympani and SCALA VESTIBULI).
Displacement of the femur bone from its normal position at the HIP JOINT.
A dental specialty concerned with the restoration and maintenance of oral function by the replacement of missing TEETH and related structures by artificial devices or DENTAL PROSTHESES.
Presentation devices used for patient education and technique training in dentistry.
The air space located in the body of the MAXILLARY BONE near each cheek. Each maxillary sinus communicates with the middle passage (meatus) of the NASAL CAVITY on the same side.
Formation of spongy bone in the labyrinth capsule which can progress toward the STAPES (stapedial fixation) or anteriorly toward the COCHLEA leading to conductive, sensorineural, or mixed HEARING LOSS. Several genes are associated with familial otosclerosis with varied clinical signs.
An alloy of 60% cobalt, 20% chromium, 5% molybdenum, and traces of other substances. It is used in dentures, certain surgical appliances, prostheses, implants, and instruments.
The external reproductive organ of males. It is composed of a mass of erectile tissue enclosed in three cylindrical fibrous compartments. Two of the three compartments, the corpus cavernosa, are placed side-by-side along the upper part of the organ. The third compartment below, the corpus spongiosum, houses the urethra.
Objects that produce a magnetic field.
Fixation and immobility of a joint.

Transcatheter closure of patent foramen ovale using the Amplatzer septal occluder to prevent recurrence of neurological decompression illness in divers. (1/1898)

OBJECTIVE: Large flap valve patent foramens may cause paradoxical thromboembolism and neurological decompression illness in divers. The ability of a self expanding Nitinol wire mesh device (Amplatzer septal occluder) to produce complete closure of the patent foramen ovale was assessed. PATIENTS: Seven adults, aged 18-60 years, who had experienced neurological decompression illness related to diving. Six appeared to have a normal atrial septum on transthoracic echocardiography, while one was found to have an aneurysm of the interatrial septum. METHODS: Right atrial angiography was performed to delineate the morphology of the right to left shunt. The defects were sized bidirectionally with a precalibrated balloon filled with dilute contrast. The largest balloon diameter that could be repeatedly passed across the septum was used to select the occlusion device diameter. Devices were introduced through 7 F long sheaths. All patients underwent transthoracic contrast echocardiography one month after the implant. RESULTS: Device placement was successful in all patients. Device sizes ranged from 9-14 mm. The patient with an aneurysm of the interatrial septum had three defects, which were closed with two devices. Right atrial angiography showed complete immediate closure in all patients. Median (range) fluoroscopy time was 13.7 (6-35) minutes. Follow up contrast echocardiography showed no right to left shunting in six of seven patients and the passage of a few bubbles in one patient. All patients have been allowed to return to diving. CONCLUSION: The Amplatzer septal occluder can close the large flap valve patent foramen ovale in divers who have experienced neurological decompression illness. Interatrial septal aneurysms with multiple defects may require more than one device.  (+info)

Transcatheter occlusion of a post-Fontan residual hepatic vein to pulmonary venous atrium communication using the Amplatzer septal occluder. (2/1898)

A residual hepatic vein to left atrial communication may result in progressive cyanosis after the Fontan procedure. This problem has usually been treated surgically by ligation or re-inclusion of the residual hepatic vein in the Fontan circulation. Previous attempts at transcatheter closure of such veins have been unsuccessful. An Amplatzer septal occluder was successfully used for transcatheter closure of a post-Fontan hepatic vein to pulmonary venous atrium fistula in an 8 year old boy.  (+info)

Follow-up results of transvenous occlusion of patent ductus arteriosus with the buttoned device. (3/1898)

OBJECTIVES: The purpose of this presentation is to document results of buttoned device (BD) occlusion of patent ductus arteriosus (PDA) in a large number of patients with particular emphasis on long-term follow-up in an attempt to provide evidence for feasibility, safety and effectiveness of this method of PDA closure. BACKGROUND: Immediate and short-term results of BD occlusion of PDA have been documented in a limited number of children. METHODS: During a six-year period ending August 1996, transcatheter BD closure of PDA was attempted in 284 patients, ages 0.3 to 92 years (median 7) under a protocol approved by the local institutional review boards and FDA with an investigational device exemption in U.S. cases. RESULTS: The PDAs measured 1 to 15 mm (median 4) at the narrowest diameter; 20 were larger than 8 mm and 10 larger than 10 mm. They were occluded with devices measuring from 15 to 35 mm delivered via 7F (N = 140) or 8F (N = 144) sheaths. Successful implantation of the device was accomplished in 278 (98%) of 284 patients. The Qp:Qs decreased from 1.8+/-0.6 (mean+/-SD) to 1.09+/-0.19 (p < 0.001). Effective occlusion defined as no (N = 167 [60%]) or trivial (N = 79 [28%]) residual shunt was achieved in 246 (88%) patients. All types of PDAs, irrespective of the shape (conical, tubular or short), size (small or large) or length (short or long) of the PDA and previously implanted Rashkind devices, could be occluded. Follow-up data, 1 to 60 months (median 24) after device implantation, were available in 234 (84%) patients. Seven (3%) patients required reintervention to treat residual shunt with (N = 2) or without (N = 5) hemolysis. Actuarial reintervention-free rates were 95% at 1 and 5 years. There was gradual reduction of actuarial residual shunts and were 40%, 28%, 21%, 14%, 11%, 10%, 6% and 0% respectively at 1 day, 1, 6, 12, 24, 36, 48 and 60 months after device implantation. Incorporation of folding plug over the button loop in 10 additional patients produced immediate and complete occlusion of PDA. CONCLUSIONS: This large multiinstitutional experience confirms the feasibility, safety and effectiveness of buttoned device closure of PDAs. All types of PDAs irrespective of the shape, length and diameter can be effectively occluded. Incorporation of folding plug over the button loop produces complete PDA occlusion at the time of device implantation.  (+info)

Transcatheter closure of a mid-muscular ventricular septal defect with an amplatzer VSD occluder device. (4/1898)

A 5 year old girl with a haemodynamically significant mid-muscular ventricular septal defect (VSD) had successful transcatheter closure using the Amplatzer VSD occluder. This device passes through a small diameter sheath and can be easily retrieved or repositioned. These properties may make it a suitable device for closure of large mid-muscular defects in small children.  (+info)

Characteristics of an extended internal fixation system for polysegmental transpedicular reduction and stabilization of the thoracic, lumbar, and lumbosacral spine. (5/1898)

The Kluger internal fixator, with its artificial fulcrum outside the operative site, had to be extended for multisegmental use. Three different prototypes, called Central Bar (CB), Double Bar I (DB I) and Double Bar II (DB II) were designed, which were fully compatible with the existing reduction system. To evaluate the ability of these newly developed systems to provide primary stability in a destabilized spine, their stiffness characteristics and stabilizing effects were investigated in multidirectional biomechanical stability tests and compared with those of the clinically well-known Cotrel-Dubousset (CD) system. The investigations were performed on a spine tester using freshly prepared calf spines. The model tested was that of an intact straight spine followed by a defined three-column lesion simulating the most destabilizing type of injury. Pure moments of up to 7.5 Nm were continuously applied to the top of each specimen in flexion/extension, left/right axial rotation, and left/right lateral bending. Segmental motion was measured using a three-dimensional goniometric linkage system. Range of motion and stiffness within the neutral zone were calculated from obtained load-displacement curves. The DB II attained 112.5% (P = 0.26) of the absolute stiffness of the CD system in flexion and enhanced its stability in extension by up to 144.3% (P = 0.004). In axial rotation of the completely destabilized spine, this system achieved 183.3% of the stiffness of the CD system (P < 0.001), and in lateral bending no motion was measured in the most injured specimens stabilized by the DB II. The DB I, which was the first to be designed and was considered to provide high biomechanical stability, did not attain the stiffness standard set by the CD system in either flexion/extension or axial rotation of the most injured spine. The study confirms that it is worthwhile to evaluate in vitro the biomechanical properties of a newly developed implant before its use in patients, in order to refine weak construction points and help to reduce device-related complications and to better evaluate its efficacy in stabilizing the spine.  (+info)

A man with a prosthetic ear and multiple pulmonary nodules. (6/1898)

Basal cell carcinoma is generally regarded as a relatively indolent tumor easily controlled with local therapy. When neglected or inadequately treated this tumor can become locally aggressive and in rare circumstances metastasize. This report documents a case of basal cell carcinoma metastatic to the lung that resulted in rapidly progressive respiratory failure and death.  (+info)

Deep sclerectomy with collagen implant: medium term results. (7/1898)

AIMS: To study prospectively the success rate and complications of deep sclerectomy with collagen implant (DSCI), a new non-penetrating filtration procedure. METHODS: Non-randomised prospective trial involving consecutive patients. 100 eyes of 100 patients with medically uncontrolled primary and secondary open angle glaucoma. A superficial scleral flap was raised and a deep sclerectomy was performed in the scleral bed. Schlemm's canal was opened and dissection of the cornea was performed up to Descemet's membrane, at which point aqueous percolated through the remaining trabeculo-Descemet's membrane. A collagen implant was sutured radially in the scleral bed. Visual acuity, intraocular pressure (IOP) measurements, and slit lamp examinations were performed before surgery and after surgery at 1 and 7 days, and 1, 3, 6, 9, 12, 18, 24, 30, and 36 months. RESULTS: The mean follow up period was 17.8 (SD 8.7) months. The mean preoperative IOP was 27.8 (8.6) mm Hg; the mean postoperative IOP was 5.7 (4.0) at day 1, 11.2 (4.6) at month 1, 14.0 (3.5) at month 12, and 13.0 (3.8) at month 36. Complete success rate, defined as an IOP lower than 21 mm Hg without medication, was 44.6% at 36 months. Qualified success rate, defined as an IOP lower than 21 mm Hg with medication, was 97.7% at 36 months. Early postoperative complications included hyphaema in seven patients, would leak in 10 patients, and subtle choroidal detachment in 11 patients. Goniopuncture was performed in 41 of the patients, and 5-fluorouracil injections were made in 23 patients; cataract progression occurred in seven patients. When comparing the different types of open angle glaucoma, no difference was found in terms of reduction in IOP, number of patients requiring antiglaucoma medications, or success rate. CONCLUSIONS: Deep sclerectomy with collagen implant appears to provide reasonable control of IOP at medium term follow up, with few immediate postoperative complications.  (+info)

Permanent implantation of expanded polytetrafluoroethylene is safe for pelvic surgery. United States Expanded Polytetrafluoroethylene Reproductive Surgery Study Group. (8/1898)

Clinical trials have shown the expanded polytetrafluoroethylene (ePTFE) membrane to be a highly effective adhesion barrier in gynaecological reconstructive surgery, but the material has not gained wide acceptance because of uncertainty about long-term safety. We conducted a prospective, observational multicentre study to determine if permanent implantation of the ePTFE membrane in the pelvis caused any adverse effects. The subjects were 146 women in whom the membrane was implanted permanently during peritoneal reconstruction in 1991-1996. Postoperatively, patients were examined at regular intervals. The mean postoperative observation time was 3.5 years. No long-term complications occurred. There were 10 births by Caesarean section and 12 by vaginal delivery. All of the pregnancies before these 22 births were uneventful, including 10 in which the women had uterine implantation sites. There were two ectopic pregnancies and three spontaneous abortions. Since the primary purpose of the study was to evaluate the long-term safety of ePTFE, early second-look laparoscopy was not performed routinely. Nevertheless, 24 women had a subsequent operation. Adhesions were present at 8/21 of the membrane sites in these women, a significant decrease compared with adhesions at 17/21 sites during the initial procedure (P = 0.005). This large, multicentre study confirmed the long-term safety of the ePTFE membrane in pelvic reconstruction. Removal of the barrier is not necessary.  (+info)

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TY - JOUR. T1 - Reduction of artifact of metallic implant in magnetic resonance imaging by coating of diamagnetic material. AU - Gao, Yanhui. AU - Muramatsu, Kazuhiro. AU - Kushibe, Atsumichi. AU - Yamazaki, Keita. AU - Chiba, Akihiko. AU - Yamamoto, Tom. PY - 2009/10/1. Y1 - 2009/10/1. N2 - Metallic implants composed of paramagnetic materials, such as stainless steel (SUS), Ti, Co-Cr-Mo alloy, etc., are widely used as artificial hip joints or aneurysm clips. When the metallic implant is placed in a uniform magnetic field of a magnetic resonance scanner, a magnetic disturbance is created due to its magnetization. This magnetic disturbance distorts the image of the metallic implant and body tissues in the magnetic resonance imaging (MRI). In order to overcome this problem, a method of coating the metallic implant with diamagnetic material has been proposed as the magnetic disturbance created by the metallic implant can be removed by the cancellation of the respective magnetizations of the ...
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This invention is an implantable sensor and system capable of measuring, controlling, monitoring and reporting blood constituent levels. The implantable sensor for sensing in vivo the level of at least one blood constituent in mammalian vascular tissue having at least one source of radiation from infrared through visible light, arranged to direct the radiation at the tissue where it is affected by interaction with the tissue, and at least one detector. The invention also encompasses a device for measuring and controlling the level of a blood constituent, such as glucose or oxygen, and includes an implantable infrared source module for generating an output signal representative of the sensed infrared radiation. The system includes a processor module responsive to the output signal which performs spectral analysis of the output signal and generates a control signal. The system further includes other devices for dispensing doses of medications or controlling organ function in response to the control signal
Disclosed herein are expandable surgical implants that may be expanded one or more times by directly or indirectly uncinching one or more expansion loops. Use of the expandable surgical implant permits a physician to expand, with minimal invasion, a surgical implant that was over-tensioned by a surgeon during implantation or became over-tensioned due to changes in the patients anatomy.
On review of admissions over a 12-month period, we noted a significant number of women presenting with gypsy skirt burns. We describe all six cases to highlight the unique distribution of the wounds and the circumstances in which the accidents occurred. Four skirts were ignited by open fire heaters: two skirts ignited whilst the women were standing nearby, distracted with a telephone conversation; one brushed over the flame as she was walking past the heater; other whilst dancing in the lounge. One skirt was ignited by decorative candles placed on the floor during a social gathering. Another skirt was set alight by cigarette ember, whilst smoking in the toilet. Percentage surface area burned, estimated according to the rule of nines, showed that gypsy skirt burns were significant ranging from 7 to 14% total body surface area (TBSA) and averaging 9% TBSA. Two patients required allogenic split-skin grafts. Common sense care with proximity to naked flame is all that is needed to prevent this ...
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Purpose: To evaluate the preoperative indications, postoperative complications, retention rate and surgical outcomes of patients with Boston Type I (formerly Dohlman type I) Keratoprosthesis in an international center.. Methods: An observational and retrospective study was performed with review of the medical records of patients who underwent Boston Type 1 Keratoprosthesis (KPro) implantation at Instituto de Oftalmología Conde de Valenciana (an ophthalmologic reference center) in Mexico City, Mexico. The variables analyzed included surgical indication, initial and final visual acuity, previous keratoplasties, postoperative complications and retention rate.. Results: 22 eyes of 21 patients with a median age of 49.5 years (range 24 - 90 years), median follow-up after keratoprostheses of 14 months (range 3 to 124 months). Preoperative visual acuity was worst than 20/100 in all cases. Indications for surgery included: corneal dystrophies in 4 patients (19.0%), ocular burns (2 patients, 9.5%), ...
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Global Medical Implants Market Size, Key Players, Competitive Strategies and Forecasts, 2017 To 2025. Medical Implants Market - Growth, Future Prospects and Competitive Analysis, 2017-2025, the global medical implants market was valued at US$ 101 Bn in 2016, and is expected to reach US$ 196 Bn by 2025, expanding at a CAGR of 7% from 2017 to 2025.. View Full Report with TOC @ Market Insights. Medical implants are devices or tissue that are placed inside or on the surface of the body. Many implants are prosthetics, deliberated to replace body parts, whereas other implants deliver medication, monitor body function, or provide support to organs and tissue. Implants can be replaced permanently or they can be withdrawn once they are no longer required. According to the U.S. Census Bureau 2016 data, there are 1,200 million people in the world aged above 55; of these approximately 820 million are from emerging economies. This situation ...
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Catheterization apparatus for implanting devices is provided with a device tether. The apparatus includes a device delivery tube that provides a pathway for moving implant devices through a patients vasculature to internal body cavities. The implant devices are carried or pushed through the device delivery tube by a tubular push rod. The implant devices are tethered to a line passing through the push rod lumen. After deployment, the implant devices may be retracted into the device delivery tube for repositioning or retrieval by pulling on the tether.
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A surgical implant device may include a first substantially planar portion having a first surface area, a second substantially planar portion having a second surface area, and a coupling device for c
MEDICAL IMPLANTS are being used in every organ of the human body. Ideally, medical implants must have biomechanical properties comparable to those of autogenous tissues without any adverse effects. In each anatomic site, studies of the long-term effects of medical implants must be undertaken to determine accurately the safety and performance of the implants. Today, implant surgery has become an interdisciplinary undertaking involving a number of skilled and gifted specialists. For example, successful cochlear implants will involve audiologists, audiological physicians, speech and language therapists, otolaryngologists, nurses, neuro-otologists, teachers of the deaf, hearing therapists, cochlear implant manufacturers, and others involved with hearing-impaired and deaf individuals. A similar list of specialists can be identified for each implant site, from dentistry to cardiovascular surgery. Consequently, scholarly work from all disciplines involved in implants is welcome. Realizing the
A system and method for placing surgical implants and having particular application for pelvic floor repair. The system includes an assembly having a guide element with a tissue penetrating tip, a cannula, and a retrieval device having a capture element at its distal end. A channel in the cannula is dimensioned to allow passage therethrough of the guide element, and of the retrieval element when removably coupled with an extension of the surgical implant.
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The resorption of a medical implant can be controlled with the use of particles embedded in a resorbable bulk material forming the implant or portion thereof. The implant can be removed from a body of a mammal by natural biological mechanisms after use. The resorption of the implant can involve swelling and/or hydrolyzing of the particles within the implant upon contact with a body fluid such that porosity and flow of fluid within the bulk material of the implant is increased. Resorption of the implant may also involve the use of particles with magnetic properties embedded within the implant such that an applied magnetic field causes the particles to vibrate within the bulk material thereby increasing the porosity and thus the flow of fluid, hence facilitating resorption of the implant. The resorption rate of the implant can be controlled by modulating swelling, hydrolysis, or movement of the embedded particles.
An apparatus and method for cutting spinal implants to a desired length is disclosed. The spinal implant is supported on a mandrel that rotates while a cutting blade cuts the spinal implant. The apparatus and method accurately size and cut spinal implants to the desired length.
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An apparatus and method for positioning an orthopedic implant within a cavity in a bone, including a plug member which is inserted into the cavity in the bone. A cutter movably engages the plug member and is used to create a first mating surface in the bone. A positioning jig having a second mating surface which is adapted to substantially mate with the first mating surface and a third surface adapted to removably engage the orthopedic implant is used to center the orthopedic implant within the cavity in the bone. Upon the second mating surface of the positioning jig mating with the first mating surface within the bone and the third surface removably engaging the orthopedic implant, the orthopedic implant is substantially centrally positioned within the cavity of the bone.
Spinal implants are generally composed of several components which, when connected together, form a spinal implant assembly. Spinal implant assemblies are designed to provide some stability to the spine while arthrodesis takes
Insertion instruments and a main body assembly and a universal wing to be inserted are provided, along with methods of using these instruments for the insertion of the spinal implants in patients to relieve the symptoms of, for example, spinal stenosis, injuries, and degenerative diseases of the spine. The instruments are simply designed and can be disassembled, making cleaning and sterilization easy and convenient. The instruments are designed to engage with and disengage from spinal implants easily, and use of the instrument in spinal implant surgery can be carried out with minimal surgical intervention and does not require general anesthesia. The main body assembly and the universal wing are designed to conveniently be secured to the insertion instruments. In an alternative embodiment the instrument can be nested and at least one instrument can include a handle provided at an angle.
A surgical implant suitable for treatment of hernias is provided. The implant comprises a mesh having a residual maximum mass density of 50 g/m2. The mesh comprises strands forming spaces and the strands comprise filaments forming pores. The spaces and pores are sized to minimise foreign body mass for implantation and to encourage integration of the implant. The mesh may be delivered using Dual Phase Technology™ for ease of handling, cutting and placement. The Dual Phase Technology™ may include encapsulation or coating with hydrogel.
In order to improve the surface properties of small caliber vascular grafts or other surgical implants, Forskolin (or a derivative thereof) which is a power cAMP stimulating agent, is applied to the thrombogenic surfaces of the graft/implant. Forskolin as thus used is a potent antiplatelet agent significantly lowering platelet deposition on the implant.
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F1185-03(2014) Standard Specification for Composition of Hydroxylapatite for Surgical Implants crystallographic requirements~ bone grafts~ hydroxyapatite~
Innocoll is a specialty pharmaceutical company focused on the development and commercialization of pharmaceutical technologies to meet some of todays most important healthcare challenges. Our current late-stage product pipeline is focused on addressing patient needs for postsurgical pain management.. ...
The spine naturally has a nonlinear force-deflection characteristic which facilitates passive stability, and thus there is a need for spinal implants that duplicate this behavior to provide stabilization when the spine loses stiffness through injury, degeneration, or surgery. Additionally, due to the complexity and variability in the mechanics of spinal dysfunction, implants could potentially benefit from incorporating a customizable stiffness into their design. This paper presents a spinal implant with contact-aided inserts that provide a customizable nonlinear stiffness. An analytical model was utilized to optimize the device design, and the model was then verified using a finite element model. Validation was performed on physical prototypes, first in isolation using a tensile tester and then using cadaveric testing on an in-house spine tester. Testing confirmed the performance of the implant and it was observed that the device increased mechanical stability to the spinal segment in ...
NSW Health has awarded a prestigious scholarship to a University of Sydney researcher to develop biodegradable medical implants that could have life-saving applications in heart surgery.. Dr Iman Manavitehrani, an Associate Lecturer at Sydney Medical School, was awarded the prize by the Hon. Brad Hazzard MP, NSW Minister for Health and Minister for Medical Research, at the recent Cicada Innovations showcase - a world-leading advanced technology incubator.. The $849,000 grant awarded to Dr Manavitehrani is for a platform technology that can be tuned for different biomedical applications. A composite structure using starch makes it tough enough for load-bearing orthopaedic applications such as bone screws, alternatively, the addition of soft materials such as polyurethane makes it a good candidate for flexible cardiovascular grafts.. During his PhD at the University of Sydneys School of Chemical and Biomolecular Engineering, Dr Manavitehrani developed a novel biodegradable medical implant that ...
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17. A Medical Implant Verification Card (MIVC), comprising:a card having a first side and a second side,an account number corresponding to a medical implant verification account of the patient on one of said sides of the card;a reproduction of an X-ray image on one of said sides of the card, wherein the X-ray image shows a medical implant as implanted within the body of the patient;an image of a face of the patient on one of said sides of the card;an image of an actual implant operation scar of the patient on one of said sides of the card, wherein said implant operation scar image shows a scar on the body of the patient resulting from implantation of the medical implant within the body of the patient;implant identification information on one of said sides of the card, wherein said implant identification information designates a type of the medical implant; andsurgeon contact information on one of said sides of the card, wherein said surgeon contact information includes a name of a surgeon having ...
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A surgical implant adapted to treat a prolapse in a patient is provided. The implant comprises a knitted mesh having a mass density of less than 25 g/m2. The knitted mesh includes at least one biocompatible polypropylene filament and openings. The implant is configured to be implanted in a region of the prolapse, wherein the prolapse is selected from the group consisting of urethrocoele prolapse, cystocoele prolapse, vault prolapse, uterine prolapse, enterocoele prolapse, and rectocoele prolapse. Methods of using a surgical implant are also provided.
0030]An orthopedic implant described herein allows a surgeon to control certain movements of at least a portion of the implant in multiple degrees of freedom during surgery or post-operatively. Post-operatively, the surgeon may transcutaneously control the orthopedic implant to vary a configuration of an internal orthopedic structure in the subject. The surgeon may utilize the orthopedic implant to control growth and healing of the internal orthopedic structure, e.g., bone tissue, in the subject. The implant can be controlled to adjust its physical shape, e.g., length, alignment, offset, thickness, radius. Any control of the implant may be performed post-operatively to make adjustments to the implant, or intra-operatively if the surgeon needs to make adjustments to the device during surgery. The orthopedic implant can he used for reconstructive surgery or esthetic surgery to repair damaged bone tissue, or reconstruct or alter the shape of bone tissue. The orthopedic implant can be utilized for ...
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With increasing numbers of people suffering from a variety of orthopedic ailments, the use of orthopedic implants has become common. The surgeons use these implants for treatment of a wide range of bone related diseases such as fracture, several bone injuries, and joint pains. The surgeons replace the damaged bone and joint to give relief to the patient.. In India, manufacturers make and supply an entire range of orthopedic implants with high global quality standards ascertain. HEMC Ortho is one of the leading orthopedic implants manufacturers known for its quality production of a whole gamut of the implants. The company makes sure that each phase of the manufacturing takes place with global quality standards met. Implants such as rods, screws, pins, plates and host of others including the instruments are made in India and supplied to the domestic and overseas markets.. Types of implants used in orthopedic surgery There are many types of orthopedic implants. In fact, there are many implants used ...
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Breast implants may make it harder for tumours to be seen on routine mammograms, meaning that breast cancers may be detected at a later stage than in women without implants.
In addition to the manufacturer-supported groups, many local implant groups have formed independently. Some have been around for quite a while, and even hold conferences. These groups represent a great opportunity to meet other implant users and families in your area. If you dont see your group here, let us know about it! USA California: Cochlear…
BACKGROUND: New manufacturing methods was developed to improve the tissues integration with the titanium alloy pieces. OBJECTIVE: The present in vitro study was to assess the resistance and fracture mode after applied a quasi-static compressive force on the two dental implants manufactured by direct metal laser sintering. MATERIALS AND METHODS: Twenty dental implants manufactured by direct metal laser sintering, using titanium alloy (Ti-6Al-4V) granules in two designs (n = 10 per group): Conventional dental implant (group Imp1) two-piece implant design, where the surgical implant and prosthetic abutment are two separate components and, the one-piece implant (group Imp2), where the surgical implant and prosthetic abutment are one integral piece ...
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Since the dawn of the 18th century, efforts to develop an ideal keratoprosthesis (KPro) have not yielded the dream KPro yet, but the journey to such an invention has given us a few notable devices and valuable experience with a number of biomaterials. The invention of a KPro started with a piece of silver-rimmed glass proposed by Pellier de Quengsy.1 We now have the latest iteration of Boston Type 1 KPro with a porous titanium back plate.2 Although the Pintucci KPro (Dacron mesh skirt and PMMA optic) and the AlphaCor (hydrogel matrix) were in clinical use for a good length of time, they failed to retain over the long term.1 We learnt that bio-integration is essential for the skirt and bio-inertness for the optic. Polymethyl methacrylate (PMMA) has largely solved the search for a stable and durable optic though the search for an ideal skirt material is still ethereal.. As we speak, the Boston type-1 KPro and the osteo-odonto-keratoprosthesis (OOKP) have emerged as the most sustainable devices. ...
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Devices, tools and methods for minimally invasive implantation and distraction between spinous processes for treatment of spinous disorders. An interspinous implant device for distracting at least one pair of adjacent spinous processes includes a main body including a shaft having a longitudinal axis; and first and second parallel arms extending transversely from the main body, wherein at least one of the first and second parallel arms is slidably mounted with respect to the shaft. The parallel arms are configured and dimensioned to extend laterally from both sides of the spinous processes when implanted therebetween and to be inserted between the spinous processes laterally from a single side thereof. The parallel arms are variably positionable between a closed configuration, in which the parallel arms are positioned close to or in contact with one another, to facilitate insertion of the parallel arms between the adjacent spinous processes, and an open configuration, in which the parallel arms are
Implantable devices range from pacemakers to cochlear implants. An implantable device is intended to monitor or assist in treating a condition. People seeking implantable devices may suffer from hearing loss, cardiovascular problems, speech loss, or impotence ...
Global Microelectronic medical implants market which is expected to reach USD 36.8 billion from USD 22.6 billion from 2015 to 2022, global microelectronic medical implants market is growing at rapid pace and is expected to grow at steady pace at the CAGR of 7.8%
Results: After search and evaluation of the literature according to the inclusion criteria, 34 studies involving 1,977 patients and 3,119 implants were included. Eighty-four out of 102 implant failures documented in the studies occurred within 1 year of functional loading. Statistically significant differences in the cumulative survival rates were found in the graft and nongraft groups (95.89% and 97.30%, respectively; P = .05). In the nongraft group, no statistically significant difference in the cumulative survival rate was found when implants were placed at RBH < 5 mm or ≥ 5 mm (95.04% and 97.63%, respectively; P = .12). In the graft group, however, a statistically significant difference was found when implants were placed at RBH < 5 mm or ≥ 5 mm (92.19% and 97.59%, respectively; P < .01). Significantly lower weighted mean cumulative implant survival rates were found in the shorter (< 8 mm) implant group than in the longer (≥ 8 mm) implant group (83.33% and 96.28%, respectively; P < .01 ...
The invention relates to a medical implant, in particular a dental implant, intended for implantation in available cavities. Dental implants are implanted in extraction sockets. The implant is provided with reservoirs for a biologically active substance. An advantage of the implant is that, for dental procedures, it can be manufactured and implanted as part of a single therapeutic treatment. However, the implant can also be used as a release system for biologically active substances.
Spinal implant is the device that facilitates fusion, improves stability of spine, strengthen the spine, and correct any deformities. Furthermore, spinal implant is used to treat various disorders which includes scoliosis, spondylolisthesis, kyphosis, and fracture. Spinal cord stimulator provides several benefits as...
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No data available that match "prostheses and implants"

Research in this field has made amazing advances: dental prostheses are custom manufactured using computer-controlled software ... implants, such as corneas made of synthetic materials, can restore vision permanently; artificial limbs today are capable of an ... The Fraunhofer Lighthouse Project »Theranostic Implants« aims to develop active implants that combine therapeutic and ... ...
The prosthesis has a mating load shoulder in its proximal section which lands on the load shoulders formed in the femur. The ... prosthesis has a stem that extends downward to a distal end. The intermediate portion of the stem between the distal end and ... A femoral prosthesis has load shoulders for transferring normal loading to the femur at the proximal end to reduce stress ... This invention relates in general to a bone prosthesis and in particular to a femur prosthesis for a hip implant. ...
... is formed in the patella which is then reamed to form a cavity of a size and configuration to receive the patellar prosthesis ... A method for preparing a patella for receiving a patellar implant and for implanting a prosthesis therein. An elongated ... The present method for implanting a patellar prosthesis is well-suited for implanting patellar prostheses of the type disclosed ... A method for preparing a patella for receiving a patellar implant and for implanting a prosthesis therein. An elongated ...
Since many implanted prostheses are intended to be permanent, it is desirable to provide a nonthrombogenic surface for blood ... When the prosthesis requiring sulfonation is made of a fine porous network, as in FIGS. 1 and 2, it is necessary to consider ... Treatment of a prosthesis with the sulfonating agent can be carried out by a procedure as straight forward as dipping the ... Sulfonation of a prosthesis using a sulfur trioxide/alcohol adduct typically is achieved by heating the adduct solution to a ...
AZIYO CanGaroo Envelope CMCV009XLG Implants and Prosthesis Sale AZIYO CanGaroo Envelope CMCV009XLG Implants and Prosthesis Sale ...
Implants/prostheses. With medical devices, failure is not an option. Reproducible examination and measurement of key components ... For some medical components, such as knee or hip implants and hearing aids, the as-built shape of the component is crucial for ... A number of weeks after implanting these plugs into rabbits, CT investigation visualizes and quantifies the bone ingrowth in ... Material researchers are developing bone implants made of titanium foam that offer favorable biocompatibility and superior ...
... *. ... MENTOR SMALL ROUND SALINE FILLED MAMMARY PROSTHESIS BREAST IMPLANT Back to Search Results. ... Anxiety, depression, and panic attacks, pain and/or burning sensation around implant and/or underarm, cold and discolored limbs ...
A novel series of articles useful as implants and prostheses and methods for their preparation and use are provided which ... In view of their intended function as an implant or prosthesis to be introduced into a subject in-vivo, it is absolutely ... A novel series of articles useful as implants and prostheses and methods for their preparation and use are provided which ... The method of using the article as an implant and prosthesis comprises the step of introducing a specifically configured ...
Prof Gordon Blunn and his team are developing prosthesis for children that can be lengthened within the body as they grow - so ... This means the implant is locked into the skeleton and projects through the skin, so that an external prosthesis can be ... By enabling the prosthesis to be attached to an implant which projects through the skin, rather than strapping it directly ... Im working with a company thats producing a bone tumour implant where they 3D print the metal. A lot of these implants are ...
... for implanting the prosthetic acetabulum in order to reduce the subsequent risks of dislocations of the implanted prosthesis. ... direction and means for per-operative comparison of these positions with the cone of mobility of the prosthesis to be implanted ... adjustable with respect to the zone of the pelvis where the implantation of an acetabulum of the prosthesis is provided. By ... the position of the axis of revolution of this cone being, during the implantation of the prosthesis, ...
The discs must be made from materials that are safe to be implanted in the human body, do not cause allergic reactions, but ... Start with the same finite element model of the implant that is used for the existing analysis. Digimat will work with any ... This analysis is done to assure the implants mold has been designed properly for manufacture, but the results can also be used ... The mechanical properties of an implant designed with fiber reinforced plastics can vary widely depending on the use of the ...
This prospective study analyzed the time and costs involved in fabricating implant prostheses in private practice and the ... The single-tooth fixed implant requierd the least time to fabricate and had the lowest clinical fees, while the removable bar/ ... generated approximately half the hourly income produced by multiple-unit fixed and bar/clip removable implant prostheses, and ... Esthetics was the most commonly reported factor influencing the decision to use a fixed or removable prosthesis, while cosgt ...
The prosthesis is implanted within the prepared disc space by axially displacing the hemi-cylindrical central portions of the ... The prosthesis includes a pair of articular components and an articular ball disposed therebetween. Each of the articular ... An articular disc prosthesis and method of implanting the same within an intervertebral space between adjacent vertebral bodies ... axial lip of the articular components bear against the endplates of the adjacent vertebral bodies to stabilize the prosthesis ...
The second group was consisted of three implants, with implants placed in the position of both canines (CR and CL) and the ... The first group consisted of two implants: traditional model (T), implants placed in the position of both canines; fulcrum ... model (F), implants placed in the position of left canine CL and right lateral incisor LiR. Both models linked through a bar ... The purpose of this research was to evaluate the maximum stress around osseointegrated implants and alveolar ridge, in a ...
... dental implants, oral pathology, as well as oral and maxillofacial surgery. ... Photoelastic Stress Analysis Surrounding Implant-Supported Prosthesis and Alveolar Ridge on Mandibular Overdentures. Dorival ... "Photoelastic Stress Analysis Surrounding Implant-Supported Prosthesis and Alveolar Ridge on Mandibular Overdentures," ...
It is, however, important to understand the differences between implants so that you can engage intelligently with your surgeon ... your knee surgeon will make a knee implant recommendation. ... Types of Total Knee Implants. *. Durability of Knee Implants: ... These implants are usually referred to as unicondylar meaning one condyle:. *medial unicondylar implants that go on the inner ... More about Total Knee Implants ,,. Partial Knee Implant Components. All three compartments of the Knee (medial, lateral, and ...
Implants/Prosthesis. With medical devices, failure is not an option. Reproducible examination and measurement of key components ... For some medical components, such as knee or hip implants and hearing aids, the as-built shape of the component is crucial for ... There are so many sizes of implants produced today and their dimensions are critical for use in the human body. New ... Read about how Ortho Baltic uses the Nikon Metrology LC15Dx laser scanner for quality assurance of its medical implants here. ...
C or O in endo-osseous implants or prostheses manufactured in metals, metallic alloys or biocompatible compound materials. This ... treatment originates some modifications in the characteristics of the surface of the endo-osseous implants or prostheses which ... Endo-osseous implant or medical prostheses according to claim 8. , in which said implant or prostheses has an enhanced degree ... A method for the production of endo-osseous implants or medical prostheses, said endo-osseous implants or medical prostheses ...
An extractor for dislodging an implanted tibial prosthesis comprising substantially parallel upper and lower members joined by ... Medical implant extraction device. WO1990013271A1 *. 27 Abr 1990. 15 Nov 1990. Kimsey Timothy P. Prosthesis manipulation device ... Accordingly, there has been a need for a device to remove an implanted tibial prosthesis that does not result in these ... The main object of the present invention is to provide an extractor for dislodging an implanted tibial prosthesis having a ... has one of the largest selections of new, used, and refurbished Implants and Prosthesis equipment on the market. ... Find Implants and Prosthesis Equipment For Sale, or Wanted from the worlds largest medical equipment marketplace. ...
Clin Oral Implants Res. 2015 Dec;26(12):1414-20. doi: 10.1111/clr.12470. Epub 2014 Sep 19. Comparative Study; Randomized ... edentulous mandible; immediate dental implant loading; implant stability; implant-supported dental prosthesis; osseointegration ... G1 with full-arch implant-fixed prostheses and G2 with multiple implant splinting via acrylic resin denture bases. All implants ... Twenty-nine patients were assessed (G1 = 15 and G2 = 14). Implant and prostheses survival rates were 100% for both groups after ...
Wear of total knee-joint prostheses - Part 1: Loading and displacement parameters for wear-testing machines with load control ... Implants for surgery - Wear of total knee-joint prostheses - Part 1: Loading and displacement parameters for wear-testing ... sample configuration and test environment to be used for the wear testing of total knee-joint prostheses in wear-testing ...
Wear of total hip-joint prostheses - Part 4: Testing hip prostheses under variations in component positioning which results in ... Implants for surgery - Wear of total hip-joint prostheses - Part 4: Testing hip prostheses under variations in component ... This document specifies the test conditions to simulate edge loading in hip prostheses due to steep acetabular cup inclination ...
Replication of desirable design features of an existing implant prosthesis is often appropriate in the construction of a ... and archform is s ued for making a transitional or a definitive complete or partial fixed implant prosthesis. Variations using ... replacement that produces the same spatial relationship to the supporting dental implants. An adaptation of a laboratory copy ... a basic replication technique are appropriate in clinical practice for refabricating a prosthesis of a preferred design. The ...
Chin Prosthesis. Cosmetic Surgery Belgium,Europe. Info, risks, pictures, costs and prices: Quality Certified Plastic surgery ... Chin implant surgery: What are chin implants - prostheses?. A chin is a prosthesis of solid silicone. The implants - prostheses ... Does a chin implant leave a noticable scar?. The surgeon can usually insert the implant (chin prosthesis) via the underside of ... implants for the face). Lifting the chin with implants (chin prostheses) are top of our list of the most popular cosmetic ...
In a pioneering surgery, titanium implants were placed in the two forearm bones (radius and ulnar), from which electrodes to ... A female Swedish patient with hand amputation has become the first recipient of an osseo-neuromuscular implant to control a ... The new implant technology was developed in Sweden by a team lead by Dr. Max Ortiz Catalan at Integrum AB - the company behind ... By implanting electrodes in the nerves that used to be connected to the lost biological sensors of the hand, researchers can ...
Edentulous maxillary fixed rehabilitation using dental implants is challenging and requires meticulous planning because of ... Dental Prosthesis, Implant-Supported*. Esthetics, Dental*. Humans. Jaw, Edentulous / classification*, rehabilitation*. Maxilla ... 11915545 - Enhancement of primary stability of dental implants using cortical satellite implants.. ... 18546765 - Implant dentistry in the undergraduate dental education program at dalhousie university.... 9282985 - Effect of ...
... implant-supported prosthesis. After the healing abutments are prepared, an impression is made with irreversible hydrocollo ... Dental Prosthesis, Implant-Supported*. Denture Design. Denture Retention*. Denture, Partial, Fixed*. Denture, Partial, ... implant-supported prosthesis. After the healing abutments are prepared, an impression is made with irreversible hydrocolloid, ... Previous Document: Surgical oral radiographic guide with a removable component for implant placement.. Next Document: Mutations ...
Acetabular Cups Arthroplasty Femoral Prosthesis Hemiarthroplasty Metallic Implants Orthopedic Implants Surgical Implants Total ... Standard Specification for Femoral Prostheses. Metallic Implants Status : Current Published : March 2015 ... 1.5 Prostheses incorporating nonmetallic (for example, polymer composite) implants, nonporous bioactive ceramic coatings, or ... Prostheses for hemi-arthroplasty are intended to articulate with the natural acetabulum of the patient. Prostheses for total ...
  • To this end, Fraunhofer researchers are developing the following three demonstrators: a smart hip-joint prostheses, a sensor implant for monitoring blood circulation and a myoelectric prosthetic hand controller. (
  • By using this device, the surgeon can easily and rapidly determine, in the course of the surgical operation, a preferential direction for implanting the prosthetic acetabulum in order to reduce the subsequent risks of dislocations of the implanted prosthesis. (
  • The development of osseointegrated implants allowed the production of more stable overdentures, improving retention and stability, thereby improving prosthetic rehabilitation prognosis and oral function. (
  • Some authors also [ 9 ] referred to the improvement of the dental prosthetic therapy with the use of two implants linked through a bar. (
  • Sixteen electrodes were implanted in this first patient in order to achieve more dexterous control of a novel prosthetic hand developed in Italy by the Scuola Superiore Sant'Anna and Prensilia. (
  • Prostheses for total hip replacement are intended to articulate with prosthetic acetabular cups. (
  • Dental implants are not pre-prosthetic treatment. (
  • This concept creates an image of a non-prosthetic procedure when in fact implants are in and of themselves prostheses. (
  • Here the implanted prosthetic root provides artificial replacement of the tooth's anchorage unit, it must truly be viewed as a prosthesis. (
  • Here the implanted prosthetic root provides artificial functional support for the remainder of the prosthetic replacement, the coronal portion. (
  • The prosthodontist's ability to conceptionalize the end result of treatment and to envision the final prosthesis in the space of the oral cavity is indeed a major clinical asset in planning and placing the prosthetic anchors in bone. (
  • The region's large geriatric population, large patient population, improving healthcare infrastructure, growing dental tourism, and the region's rising demand for advanced implant and prosthetic products are driving the growth of this market. (
  • Forty-two patients with a mean age of 61.3 years old (range 49-73) in need of fixed prosthetic implant-supported rehabilitations in the posterior region of the mandible, presenting a thin alveolar crest, were selected. (
  • After discussing with the patient all the possible removable and fixed prosthetic solutions and achieving a written consent form, it was decided to restore the mandibular arch by means of a full-arch fixed implant-supported restoration. (
  • In order to ease the following prosthetic procedures but respecting the restorative biomechanics, such temporary prosthesis weas screwed only onto 4 implants using a metal bar coated with veneering resin. (
  • The Maxillofacial Institute offers all types of dental implant restorations, using CAD/CAM ( Computer-Aided Design and Manufacturing ) technology that ensures a high quality of dental prosthetic treatment. (
  • Material researchers are developing bone implants made of titanium foam that offer favorable biocompatibility and superior surface roughness and strength. (
  • A number of weeks after implanting these plugs into rabbits, CT investigation visualizes and quantifies the bone ingrowth in the ramified porous implant structure. (
  • For example, in collaboration with the Royal National Orthopaedic Hospital he helped to create a special implant for children with bone cancers. (
  • We developed a bone implant which was able to extend and grow as the patient grew, and that just required a trip to outpatients. (
  • I'm working with a company that's producing a bone tumour implant where they 3D print the metal. (
  • This means the bone grows into the porous structure and stabilises the implant. (
  • The advantage of a partial knee implant is that only the damaged cartilage and bone from the weight bearing portion of the femur is removed. (
  • Either way, they both require only minimal bone removal to secure the implant. (
  • The invention also embraces a method of extracting the tibial implant having a tibial tray and stem comprising the steps of excising a layer of proximal tibial bone, inserting forked means into the space created between the tray and proximal tibial surface, straddling the stem, and transmitting a dislodging force to the tray through the forked member in a direction substantially coaxial with the stem. (
  • At the intake consultation the surgeon will assess whether you are a suitable candidate for a chin - bone correction or chin correction with implants. (
  • The new implant technology was developed in Sweden by a team lead by Dr. Max Ortiz Catalan at Integrum AB - the company behind the first bone-anchored limb prosthesis using osseointegration - and Chalmers University of Technology. (
  • 1.3 Femoral prostheses included within the scope of this specification are intended for fixation by press fit between the prosthesis and host bone, the use of bone cement, or through the ingrowth of host bone into a porous coating. (
  • Usually requires removal of significant coronal bone to allow enough facial-lingual bone width to place standard-diameter implants (3 mm diameter or more). (
  • Harvested bone being placed over the shoulder of an implant. (
  • Bicon resorbable collagen membrane being placed over an implant and the bone. (
  • One lesson from arthroplasty to osseointegration in search for better fixation of in-bone implanted prosthesis. (
  • According to the one-step procedure, the shaft of a pylon is implanted directly into the bone canal, and bone ossifies around the shaft concurrently with the skin's integration with the pylon collar [4-5]. (
  • THR is widely used in many countries (in the United States, about 300,000 hip replacements are performed each year [17]) and has been proven to be effective, but up to 2 percent of patients still require surgical revision because of loosening of the prosthesis' shaft relative to the bone [18]. (
  • In: Chao EYS, Ivins JC (eds) Tumor prostheses for bone and joint reconstruction: the design and application. (
  • Scales JT, Wright KWJ (1983) Major bone and joint replacement using custom implants. (
  • Okada Y, Suka T, Sim FH, Gorski JP, Chao EYS (1988) Comparison of replacement prostheses for segmental defects of bone: different porous coatings for extracortical fixation. (
  • Lewis MM (1986) The use of an expandable and adjustable prosthesis in the treatment of childhood malignant bone tumors of the extemity. (
  • the implant trabecular metal coating contributes to provide initial stability and rapid bone ingrowth and the lateral approach allows to perform a wide ankle release improving the range of motion. (
  • Can multiple splinted narrow-diameter implants be used as definitive implants in patients with insufficient bone ridge thickness in posterior regions of the mandible? (
  • Outcomes measured were implant survival, complications, and marginal bone level changes up to 1 year after loading. (
  • Within the limits of this study, preliminary short-term data (1 year post-loading) suggested that narrow-diameter implants (2.75 to 3.25 mm) can be successfully used as a minimally invasive alternative to horizontal bone augmentation in the posterior mandible. (
  • Although there is some discussion on the amount of bone (buccal and oral) necessary for a successful dental implant, most authors advise at least 1 mm residual bone present adjacent to the implant surface, which consequently requires a horizontal crestal alveolar width of 6 mm for a standard implant. (
  • When inadequate bone width is present for placement of standard-diameter implants, most practitioners have been taught to suggest bone grafting, using either autogenous bone or one of the many available bone substitutes. (
  • NDI is an implant with a diameter less than 3.75 mm and is clinically indicated in specific conditions of rehabilitation such as a reduced interradicular bone, thin alveolar crest, or replacing teeth with a small cervical diameter [ 3 ]. (
  • There is no evidence of differences in peri-implant marginal bone loss (PMBL) between cement- (CRP) and screw-retained prostheses (SRP) when used with external hexagonal connectors. (
  • BUT,is the integrity of osseointegration in zirconium implant to bone is similar to that between metal & bone? (
  • Such a procedure allowed to regularize the edge of the ridge and to achieve a proper amount of basal bone to optimize implant placement. (
  • although 6 implants are usually considered a standard in the lower arch, one more implant was placed in the left distal area due to the local scarce bone quality. (
  • The effect of maximum bite force on marginal bone loss of mini-implants supporting a mandibular overdenture: a randomized controlled trial. (
  • Your doctor will consider several factors when determining the appropriate hip implants for you, including which implant design will best fit your hip anatomy and how to fix your hip implant to the bone. (
  • 16/11/2018 · Metal-on-metal hip implants have the same adverse effects as other types of hip implants, including infection, loosening, bone loss, device or bone fracture, and joint dislocation. (
  • The prosthesis includes a body for implantation at least partially within the medullary canal of a long bone. (
  • The surface features are positioned to optimally transfer load from the prosthesis to the long bone. (
  • 4. The joint prosthesis of claim 3 , wherein at least a portion of the surface of said ribs is adapted to enhance bone growth thereto. (
  • More particularly, the invention relates to bone prosthesis and processes for manufacturing the same. (
  • There are known to exist many designs for and methods for manufacturing implantable articles, such as bone prosthesis. (
  • Peri-implant bone loss around single and multiple prostheses: systematic review and meta-analysis. (
  • PURPOSE The objective of this systematic review and meta-analysis was to assess and compare the marginal bone loss around implants supporting single fixed prostheses and multiple-unit screw-retained prostheses. (
  • Vertical and Horizontal Crestal Bone Levels in Root-Analog Stepped Implants-A 10-Year Prospective Study. (
  • A Long-Term Prospective Evaluation of Marginal Bone Level Change Around Different Implant Systems. (
  • Long-Term Bone Stability around 312 Rough-Surfaced Immediately Placed Implants with 2-12-Year Follow-Up. (
  • In this study, we report the case of a patient presenting a severe atrophic mandible that was treated with short implants and stable internal fixation, without using bone grafts or biomaterials. (
  • Cone-bean tomography revealed a small amount of mandibular bone, suggesting a high risk of fracture of the mandible during drilling and installation of osseointegrated implants. (
  • Here, we report a clinical case of a patient presenting severe mandibular resorption treated using dental implants, without mandibular bone grafts and with bone reinforcement provided using a plate and screws as a safe alternative to rehabilitation. (
  • No postoperative complications were observed and marginal bone changes around implants were almost imperceptible with two years of follow-up. (
  • This is because the jaw bone that supports the teeth change when it heals, which means that the prosthesis gradually loose. (
  • The four patients we present in our publication did not all have a bone implant. (
  • One of his latest clinical trials is pushing the boundaries of what the very latest technology can deliver in the field of implants. (
  • The single-tooth fixed implant requierd the least time to fabricate and had the lowest clinical fees, while the removable bar/clip prostheis had the highest fees and demanded the greatest amount of time to fabricate. (
  • In the last decade, various clinical trials proved the capability of visual prostheses, in particular retinal implants, to restore a useful form of vision. (
  • Variations using a basic replication technique are appropriate in clinical practice for refabricating a prosthesis of a preferred design. (
  • This case demonstrates the two-stage maxillary placement of four Bicon implants, uncovering, implant-level transfer impressions, the concept and clinical techniques for fabricating a maxillary and mandibular metal-free implant supported fixed TRINIA™ prosthesis on Bicon implants. (
  • This clinical report describes the rehabilitation of a large mid-facial nose defect with a dental implant retained nasal prosthesis. (
  • This clinical report describes the rehabilitation of a large midfacial defect using an implant retained nasal prosthesis. (
  • One disadvantage of a standard-diameter implant is the fact that, in clinical use, the available horizontal crestal dimensions of the alveolar ridge are sometimes too small. (
  • Clinical and radiological examinations were made at implant placement and after 8, 20, and 32 months of loading. (
  • This treatment demonstrates the full-arch implant-level impression, laboratory fabrication, and insertion of a full-arch maxillary telescopic TRINIA® prosthesis supported by only two 4.0 x 6.0mm Bicon SHORT® Implants, and one 5.0 x 6.0mm Bicon SHORT® Implant in only two clinical visits, with a chairside reline of the prosthesis and using three prefabricated Retentive Copings. (
  • Implant survival was defined as the proportion of implants still in place at a certain time, even if they are of no clinical value or even cause side effects. (
  • The study designs for CRP were 4 prospective clinical studies and 2 split-mouth RCTs with a total of 171 patients and 266 placed implants. (
  • Therefore, a within-subject crossover clinical trial was designed in which 145 completely edentulous subjects were tested wearing implant-supported mandibular fixed prostheses and long-bar overdentures. (
  • This recommendation came after more than 20 years of work in the field, $200M of public and private investment , and 10 years after the first person received Second Sight's first Bionic Eye in the clinical trial of the first generation Argus I retinal implant which began in 2002. (
  • With seven patients treated in Moorfields Eye Hospital, the largest clinical site in the world, I am very proud to have participated in the world's biggest trial of any retinal implant , and that our research work in the NHS has been seminal in allowing blind patients around the world to get access to this unique and life changing treatment. (
  • Although the functional results obtained in these studies are promising, several significant obstacles still need to be overcome before such solutions can gain widespread clinical adoption, such as chronic implant stability and system miniaturization 13 . (
  • This technology report paper has been an attempt to provide an overview of Argus-II retinal implant global experience as well as the clinical outcome of the so far cases in Iran. (
  • Clinical Oral Implants Research , 23 (10), 1173-1180. (
  • After a mean healing time of 15 weeks, the patients received permanent screw-retained prostheses. (
  • A classification system of patients for esthetic fixed implant-supported prostheses in the edentulous maxilla. (
  • The present invention concerns a novel extractor for removing an implanted tibial prosthesis, and in particular removal of tibial trays from the proximal tibia during surgical revision. (
  • Surgical oral radiographic guide with a removable component for implant placement. (
  • 1.1 This specification covers metallic stemmed femoral prostheses used to replace the natural hip joint by means of hemi-arthroplasty or total hip surgical procedures. (
  • Penile implant is the surgical means (as the last resort) to restore physical ability for intercourse so to extend the experience in sex pleasure, in turn, enriching the quality of personal &social life. (
  • Please tell me if there are any non-surgical alternatives to penile prosthesis implant for erectile dysfunction? (
  • View of surgical site prior to uncovering the implants. (
  • Surgical implants. (
  • Rehabilitation of such defects subsequent to surgery is done in a sequential manner, which includes a surgical, provisional, and definitive prosthesis [ 3 ]. (
  • Surgical instruments and methods for use in implanting such a modular femoral prosthesis are disclosed. (
  • The use of a magnesium substance, whose corrosiveness is altered as a result of modification with halogenides, enables medical implants, prostheses or prosthesis parts and medical instruments, devices and auxiliary contrivances, especially surgical instruments or tools, for use in and on the human or animal body to be produced, whereby the degree of corrosion-resistance thereof can be adjusted to full corrosion-resistance. (
  • A surgical obturator is a prosthesis that is wired or screwed into place. (
  • The surgical obturator prosthesis is removed 5-8 days after surgery and made into a removable, temporary (interim) obturator prosthesis. (
  • Sometimes a flap of tissue can be used to repair the surgical wound so the prosthesis isn't needed. (
  • To achieve such a goal, tooth 33 was left in the arch during all the surgical procedures, so as to check the occlusion and the mutual parallel position of the implants intraoperatively. (
  • While it is often possible to reposition the hip replacement without a surgical incision, the chance of additional dislocations or damage to the implants is high. (
  • Hip Prosthesis Surgical Instruments are built with the\\015\\012dedicated professionals by using world class raw materials. (
  • The report delivers a strategic analysis of the global market for penile implants and growth forecast for the period from 2017 2023. (
  • The global voice prosthesis market was valued at US$ 133.5 Mn in 2017 and is expected to reach US$ 204.3 Mn by 2026, expanding at a CAGR of 4.9% from 2018 to 2026. (
  • Global Posterior Stabilized Knee Joint Prosthesis Market Research Report 2017" Purchase This Report by calling at +1-888-631-6977. (
  • The first Argus II retinal prosthesis in Iran was successfully implanted in Shiraz (October 2017). (
  • An Inflatable Penile Prosthesis is certainly an implantable device that can be utilized in the treatment of Erection Disorder or Peyronie's Disease. (
  • The implant must be small enough to be implantable while minimizing collateral damage during and after the implantation. (
  • The purpose of this research was to evaluate the maximum stress around osseointegrated implants and alveolar ridge, in a mandible with left partial resection through a photoelastic mandibular model. (
  • Uncovering a mandibular implant. (
  • Mirrored view of the mandibular TRINIA™ fiber reinforced prosthesis prior to its being inserted. (
  • Mirrored view of the mandibular ridge side of the TRINIA™ prosthesis. (
  • White plastic healing abutments being removed prior to the insertion of the mandibular TRINIA™ prostheses. (
  • The specimens were screw-retained onto a standardized mandibular model with 4-implant analogs embedded in acrylic resin. (
  • The treatment of mandibular edentulism with implant fixed complete dental prostheses (IFCDPs) is a routinely used treatment option. (
  • Treatment with mandibular IFCDPs yields high implant and prosthodontic survival rates (more than 96% after 10 years). (
  • the patient reported that the mandibular front teeth had been previously prepared for a metal-ceramic fixed dental prosthesis, in order to limit the discomfort due to the mobility of such teeth.At the maxillary arch, the patient wore a complete removable denture which was esthetically unsatisfactory but valid to accomplish oral functions. (
  • Within-subject comparisons of implant-supported mandibular prostheses: evaluation of masticatory function. (
  • Single mandibular implant study - denture satisfaction in the elderly. (
  • Although a number of factors contribute to joint disease including genetics, developmental abnormalities, repetitive injuries and obesity, arthritis is the most common reason for knee implant surgery . (
  • On the chin correction prices page you will find more information about the prices for chin implant surgery. (
  • Chin implant surgery: What are chin implants - prostheses? (
  • Chin correction surgery with implants can be performed on an outpatient basis under intravenous sedation. (
  • What are the risks of chin implant surgery? (
  • Our surgeons are specialists in cosmetic surgery for the face and facial implants (= implants for the face). (
  • In a pioneering surgery, titanium implants were placed in the two forearm bones (radius and ulnar), from which electrodes to nerves and muscle were extended to extract signals to control a robotic hand and to provide tactile sensations. (
  • If the patient elects to have implant surgery, the surgeon would replace the erectile tissues of the penis with a prosthesis which would provide sufficient rigidity for sexual intercourse. (
  • Surgery needed for all using penile prosthesis? (
  • Twenty-eight patients (mean age 63 years) with edentulous maxillae received 168 implants (six each) and an implant-supported fixed interim prosthesis within 24 hours after surgery. (
  • A hexagonal key is used to telescopically extend the implant during a short session of minimally invasive surgery via a 1 to 2 cm stab incision. (
  • If reconstructive surgery can't provide good functional and cosmetic results, or if reconstruction isn't an option, you may need a facial prosthesis. (
  • An artificial eye, or ocular prosthesis, is used to replace an eye that has been removed by surgery. (
  • If the nose can't be repaired with reconstructive surgery, a removable nasal prosthesis, or artificial nose, may be made for you. (
  • An obturator prosthesis is a removable denture that fills the area that has been removed by surgery. (
  • A maxillofacial prosthodontist makes and fits the temporary obturator prosthesis before surgery. (
  • Some permanent obturator prostheses are made with artificial teeth to replace those removed by surgery. (
  • Not all people who have surgery for cancer in the nasal cavity or paranasal sinuses want an obturator prosthesis. (
  • It's natural for a man considering implant surgery to feel anxious about size after the procedure. (
  • Is penile implant surgery safe for men who take anticoagulants? (
  • The surgery process is also highly advanced which creates less problem during fixing of voice prosthesis device. (
  • However, while the implantation of the PET only substrate decreased the ff-ERG b-wave amplitude with respect to the pre-implant ERG, the eyes implanted with the active device fully preserved the ERG responses, indicating an active compensation of the surgery-induced photoreceptor loss. (
  • Five days after surgery, a Branemark-type prosthesis was installed. (
  • How is the process when a patient receives such a prosthesis - from surgery to use? (
  • In most patients it takes about six months from the time of surgery to the final application, in those with an existing implant a little less. (
  • Technical advances in genitourinary surgery have led to an increased frequency of penile prosthesis placements to correct male erectile problems. (
  • Some studies referred to the use of implant-supported prosthesis to compensate partially problems that arose from partial resection of the mandible [ 7 , 8 , 10 ]. (
  • It is of great interest to know the tensions of the implants, also in cases of overdentures in patients with partial resection of mandible. (
  • The obtained result, with the implant supported by overdentures, leads the authors to recommend the use of this technique with their patients with partial resection of mandible, but also suggested different retention mechanisms [ 2 , 11 ] to the implants by using ball/O-ring and bar-clip attachments. (
  • The objective of this study was to evaluate, by the photoelastic method, the tensions around osseointegrated implants and ridge, used as overdentures support in patients with partial resection of jaw. (
  • Arthritis limited to a single compartment of the joint may require only a partial knee implant . (
  • A partial knee replacement involves a smaller knee implant for one, two or all three compartments, rather than for the entire knee joint. (
  • A silicone putty mold that enables the creation of the corresponding fit surface, polished surface, and archform is s ued for making a transitional or a definitive complete or partial fixed implant prosthesis. (
  • This technique is an easy and economical alternative for the fabrication of provisional fixed partial dentures or crowns but may be contraindicated for severely misaligned implants. (
  • Specifies the endurance performance of stemmed femoral components of total hip joint prostheses and stemmed femoral components used alone in partial hip joint replacements as determined under specified laboratory conditions by a method that includes the application of torsion. (
  • A removable partial denture with a metal structure was used as temporary restoration before the implant placement and during the healing period. (
  • Masticatory efficiency and muscular activity in removable partial dental prostheses with different cusp angles. (
  • Short-span fixed partial dentures and full-arch fixed prostheses have been constructed by connecting teeth and implants. (
  • The aim of this review was to assess the survival, technical and biological complication rates of partial fixed dental prostheses (FDPs) supported by implants and teeth. (
  • Partial Prosthesis or Fixed Bridge - A partial prosthesis is used to replace a long span of missing teeth and is removable. (
  • This Standard is applicable to partial or total knee joint prostheses manufactured by the materials and processes specified in this Standard. (
  • This surface treatment originates some modifications in the characteristics of the surface of the endo-osseous implants or prostheses which increases significantly their degree of osseointegration. (
  • 9 . Endo-osseous implant or medical prostheses according to claim 8 , in which said implant or prostheses has an enhanced degree of osseointegration, and/or a reduced degree of ionic lixiviation to the physiologic medium in contact with the implant or the prostheses, and/or improved tribological properties. (
  • This invention is related, in general, with surface treatments of implants and medical prostheses to improve their osseointegration properties, in particular, it refers to a method for the production of endo-osseous implants or prostheses manufactured in a base material and treated superficially by means of ion implantation with enhanced osseointegration properties. (
  • The concept of osseointegration [ 16 ] has enabled a more reliable mode of retaining nasal prostheses [ 17 ]. (
  • Zirconium implants do not have the same history that titanium implants have but they are FDA approved and have shown similar success of osseointegration to that of titanium implants. (
  • The literature appears to show a similar osseointegration of Zirconium implants as Titanium. (
  • Three months after the placement of the temporary full-arch bridge, the final prosthesis was fabricated. (
  • Once the desired aesthetic and function has been achieved, the final prosthesis is completed. (
  • These products are hydraulic systems that are surgically implanted to treat the effects of ED. The Titan Touch pump makes it easier for men to simply and effectively control the device. (
  • A penile prosthesis is a surgically implanted device that allows a man with erectile dysfunction to have erections again. (
  • A cochlear implant (CI) is a surgically implanted neuroprosthetic device to provide a person with moderate to profound sensorineural hearing loss a modified sense of sound. (
  • A female Swedish patient with hand amputation has become the first recipient of an osseo-neuromuscular implant to control a dexterous hand prosthesis. (
  • For example, cortical reorganization and alleviation of phantom limb pain has been observed in amputees following intense use of a hand prosthesis. (
  • Conjugated polymers represent an attractive solution to the field of retinal prostheses, and a multi-layer fully organic prosthesis implanted subretinally in dystrophic Royal College of Surgeons (RCS) rats was able to rescue visual functions. (
  • The residual inner retinal cells have prompted efforts to develop retinal prostheses to stimulate the surviving neural retinal cells and possibly restore functional vision. (
  • Retinal prostheses electrically stimulate neurons to produce artificial vision in people blinded by photoreceptor degenerative diseases. (
  • The results demonstrate that tailored multielectrode stimulation patterns based on a piecewise linear model may be useful in increasing the spatial resolution of retinal prostheses. (
  • Retinal prostheses are designed to restore visual function to patients blinded by photoreceptor degenerative diseases, such as retinitis pigmentosa and age-related macular degeneration. (
  • After implantation of the penile prosthesis, a person is usually reliant on the device for an erection. (
  • What are the dangers connected with implantation of the penile prosthesis? (
  • After implantation of the penile prosthesis, an individual is usually dependent upon the device for an erection. (
  • The timing of the Lasker/IRRF (International Retinal Research Foundation) Initiative on Restoring Vision to the Blind in March of 2014 was particularly opportune given that the first commercial sales of implanted visual prostheses (the Argus II) occurred in 2011 (Rizzo et al. (
  • We are therefore at a perfect point to look back on the successes of visual prostheses as well as to look forward to what the future may hold. (
  • The core question for the Implanted Visual Prostheses session, which was fine-tuned by the session members and provided a framework for our discussions was: How to provide useful visual information to patients blind from lesions in the afferent visual pathway by means of safe and efficient electronic implants? (
  • Overview of the visual system as related to visual prostheses. (
  • Over the past few years, visual prostheses (namely, Argus II retinal implant) and gene therapy have obtained FDA approval in treating blindness resulting from retinitis pigmentosa. (
  • Consider, that our colleagues in orthopedics have for decades referred to artificial hip or knee implants. (
  • Since the dental implant is the artificial replacement for the tooth's anchorage unit, it must truly be viewed as a prosthesis. (
  • The brain accurately maps the artificial vision induced by a retinal prosthesis based on instantaneous gaze position. (
  • The orthopedic sports medicine products market is broadly segmented into artificial joint implants, arthroscopy devices, fracture repair devices, prosthetics and orthobiologics. (
  • Prostheses are artificial replacements for body parts. (
  • Until the permanent prosthesis is made, a temporary artificial eye may be used. (
  • An artificial eye may be held in place with an orbital implant (a device surgically attached to the orbit that helps keep the artificial eye in place). (
  • I am considering penile implant and artificial sphinter. (
  • A visco-elastic motion-limiting artificial intervertebral disc prosthesis is provided that mimics the physiologic function of a normal spinal disc. (
  • Voice prosthesis device is an artificial device which helps in voice restoration of patients undergone laryngectomy. (
  • To date, Argus II artificial retina is implanted in four patients in Iran. (
  • ISO 14243‑1:2009 specifies the flexion/extension relative angular movement between articulating components, the pattern of the applied force, speed and duration of testing, sample configuration and test environment to be used for the wear testing of total knee-joint prostheses in wear-testing machines with load control. (
  • The Fraunhofer Lighthouse Project »Theranostic Implants« aims to develop active implants that combine therapeutic and diagnostic functions in a single medical device. (
  • You see people who run Paralympic races very successfully with prostheses attached to their body with a stump-socket device. (
  • Ultimately, your knee surgeon will make a knee implant recommendation (both design and brand) based upon his or her skill and experience with a particular device as well as your specific circumstances and needs. (
  • Accordingly, there has been a need for a device to remove an implanted tibial prosthesis that does not result in these undesired effects. (
  • If these drugs do not work, the patient may try a vacuum device or a topical or injected drug before considering penile implants such as Dura II. (
  • After penile prosthesis-implant, you have to be willing & learn how to operate the device with realistic expectation from you & sex partner. (
  • To quantify the precision of mapping from retinotopic (retina-centered) to spatiotopic (world-centered) coordinates in blind humans implanted with a retinal prosthesis device. (
  • The observation that electrical stimulation of a retina that is no longer sensitive to light can create a visual percept, 1 led after several decades of research to a chronically implanted retinal prosthesis device. (
  • The implant is certainly a male organ pump-like device - it presents two cylinders that are incorporated in the male organ and a pump in the scrotum that creates a bigger when the individual pushes this. (
  • The implant is certainly a pennis pump-like device - it has two cylinders that are integrated in the penis and a pump in the scrotum that generates a bigger when the affected individual pushes this. (
  • There can be also a low chance of device contaminants more than time (typically within the first month and estimated in 1%), chafing from the device out of the implanted space, or device screwing up. (
  • implant stability was checked with a torque device, and the implant stability quotient was determined with resonance frequency analysis. (
  • A nasal prosthesis may be held in place with special adhesives, tape, glasses or an extraoral implant (a device surgically attached to the bones of the face that the prosthesis clips to). (
  • The material used in the making of the voice prosthesis device is of medical grade and highly biocompatible with a negligible immunological response. (
  • It is used in patients showing resistance to removing voice prosthesis device. (
  • Indwelling devices are dominating the device segment for voice prosthesis market. (
  • Naive pigs were implanted subretinally with the active device in one eye, while the contralateral eye was sham implanted with substrate only. (
  • an electronic device consisting of a microphone, speech processor, and electrodes that are implanted in the inner ear to stimulate the remaining nerve fibers of the auditory division of the eighth cranial nerve in adults and children with profound hearing impairment or deafness. (
  • The modern multi-channel cochlear implant was independently developed and commercialized by two separate teams-one led by Graeme Clark in Australia and another by Ingeborg Hochmair and her future husband, Erwin Hochmair in Austria, with the Hochmairs' device first implanted in a person in December 1977 and Clark's in August 1978. (
  • A randomized controlled trial comparing interim acrylic prostheses with and without cast metal base for immediate loading of dental implants in the edentulous mandible. (
  • The study aims to report the implant and prosthodontic survival rates associated with IFCDPs for the edentulous mandible after an observation period of a minimum 5 years. (
  • Figure 3 Reconstruction plate fixed and five implants placed in mandible. (
  • In addition, large number of drugs under pipeline for FDA approval, emerging next generation erectile dysfunction therapies, continued adoption of improved penile implant systems, launch of various low cost generic drugs, and introduction of novel techniques are further expected to boost the market growth in the coming years. (
  • A Discrete Treatment for erectile dysfunction: A penile prosthesis is not noticeable when your penis is flaccid. (
  • so is penile prosthesis for erectile dysfunction . (
  • Due to nerve degeneration, vascular problems , diabetics have higher incidence of erectile dysfunction , they will also have higher incidence of complications like infection etc with prosthesis . (
  • Penile implants really are a longer lasting, effective treatment just for erectile dysfunction. (
  • Cylinders: The parts of the penile prosthesis that fills with water and gets bigger to fill up the erectile cells from the pennis (the corpora) resulting in an hard-on. (
  • In the course of action of implanting the cylinders, the regular erectile tissues is ruined. (
  • The Urology Program at Coral Gables Hospital expands its services to include the Titan Touch, a new prostheses designed to help patients suffering from erectile dysfunction (ED). Coral Gables Hospital Urologist, Dr. Paul Perito, has already successfully performed this procedure, the first to be performed in the U.S. (
  • Penile implants really are a permanent, effective treatment to get erectile dysfunction. (
  • Cylinders: The parts of the penile prosthesis that fills with liquid and gets bigger to fill the erectile tissue from the male organ (the corpora) leading to an hard-on. (
  • In the practice of implanting the cylinders, the regular erectile tissue is ruined. (
  • After years of trying different options for the treatment of erectile dysfunction - none of which worked very well - I have decided to have the penile prosthesis. (
  • It is intuitive that the same principles should apply when considering crown design on dental implants to minimize the likelihood of peri-implant disease (Figure 4A, 4B, and 4C). (
  • There are three implant components to a knee total replacement: femoral, tibial and patellar. (
  • The tibial component of a knee implant is a flat metal platform with a polyethylene insert or spacer. (
  • An extractor for dislodging an implanted tibial prosthesis comprising substantially parallel upper and lower members joined by a yoke, with the lower member comprising a pair of forked blades to insert under the tibial component and the upper member being adapted to receive means for applying upward. (
  • Current methods used to remove tibial prostheses include using an osteotome as a lever by prying under the edge of the tibial tray. (
  • the upper member is adapted to receive means for applying upward dislodging force to the tibial tray in a substantially axial alignment with the tibial stem to extract the prosthesis from the tibia. (
  • The tibial implant is made with two truncoconical faces which extend from a common plane for different distances. (
  • 2. A tibial implant as set forth in claim 1 further comprising a first member having said sliding surface thereon and a second member having said faces thereon and a recess receiving said first member therein. (
  • 3. A tibial implant as set forth in claim 2 wherein said second member includes a pair of circular cylindrical truncoconical elements having flat faces abutting and integrally secured together. (
  • 5. A tibial implant as set forth in claim 4 wherein each said hollow body and a received expansion element defines a closed anchoring pin. (
  • 6. A tibial implant as set forth in claim 4 wherein said first member is made of plastic and said second member is made of metal. (
  • Once an Inflatable penile implant heals the patients do not usually even know there is an implant. (
  • What can be an Inflatable Penile Prosthesis? (
  • Is an hard-on with an Inflatable Penile Prosthesis different than a regular erection? (
  • The hard-on with an inflatable penile prosthesis is normally rigid and reliable. (
  • and is one of the latest enhancements to the Titan family of Inflatable Penile Prostheses (IPPs) for men who seek a solution beyond pills and injections. (
  • Experienced surgeons are concerned about reservoir placement when implanting inflatable penile prostheses (IPPs) in men who have had robotic-assisted laparoscopic prostatectomy (RALP), a recent study has concluded. (
  • An implant procedure involves removing the corpora cavernosum and replacing it with inflatable cylinders or malleable rods, depending on the type of implant chosen. (
  • In the July/August 2014 issue of the International Journal of Impotence Research , scientists reported on a group of twenty men with inflatable implants. (
  • A recent report estimated that more than 20,000 rigid and more than 1500 inflatable prostheses had been placed, mainly in the last 5-10 years. (
  • A novel series of articles useful as implants and prostheses and methods for their preparation and use are provided which utilize polyanhydride polymeric matrices as a general class of materials. (
  • Twenty-nine edentulous patients were randomly divided into two groups: G1 with full-arch implant-fixed prostheses and G2 with multiple implant splinting via acrylic resin denture bases. (
  • Facial contour is often undesirable because the apical portion of prosthesis must be convex to allow proper cleaning, and face collapses due to inadequate denture contour. (
  • Esthetics can be superior to fixed prostheses because the denture can be made to full anatomical contour, filling out facial contour yet still allowing adequate oral hygiene on removal. (
  • Esthetics can be superior to a fixed prosthesis because the patient can remove the prosthesis for oral hygiene, allowing optimum denture contour. (
  • Implant overdentures: dental students' performance in fabrication, denture quality, and patient satisfaction. (
  • 2. The spinal disc prosthesis of claim 1 , wherein said electronics are hermetically sealed within said compression stop. (
  • Input" prosthetics, such as retinal or cochlear implant, supply signals to the brain that the patient eventually learns to interpret as sight or sound. (
  • A person with a cochlear implant receiving intensive auditory training may learn to interpret those signals as sound and speech. (
  • André Djourno and Charles Eyriès invented the original cochlear implant in 1957. (
  • William House also invented a cochlear implant in 1961. (
  • NASA engineer Adam Kissiah started working in the mid-1970s on what could become the modern cochlear implant. (
  • Insurance Coverage: Penile implants are prescribed by a physician and are generally covered by most insurance plans, including Medicare. (
  • There have been previous posts on this board about penile implants, and I greatly and sincerely appreciate the help which those posts have been. (
  • Treatment of impotence by penile implants (medical news). (
  • A ball and socket joint prosthesis for use in arthroplasty is provided. (
  • 5. The joint prosthesis of claim 4 , wherein at least a portion of the surface of said ribs comprises at least one of a surface roughness, a porous coating and a bioceramic. (
  • This market research report gives an in-depth idea about the Global Posterior Stabilized Knee Joint Prosthesis market. (
  • The study presents an evaluation of the factors that are expected to inhibit or boost the progress of the global Posterior Stabilized Knee Joint Prosthesis market. (
  • The global Posterior Stabilized Knee Joint Prosthesis market has been examined thoroughly on the basis of key criteria such as end user, application, product, technology, and region. (
  • The estimated revenue and volume growth of the global Posterior Stabilized Knee Joint Prosthesis market has also been offered in the report. (
  • In conclusion, it is a comprehensive research report on Global Posterior Stabilized Knee Joint Prosthesis_ industry/market. (
  • This research is based on customers interest and learning about the global Posterior Stabilized Knee Joint Prosthesis_ markets scenario and strategies to apply to seek better growth opportunities in the market. (
  • A blue 2.5mm titanium impression post with an acrylic sleeve being seated into an implant well. (
  • hi Dr.salama and thanks a lot for sharing but my question is,how do you evaluate zirconium implants?since we are working since many years with titanium implants and we have seen the response in long therm.thanks again. (
  • In September 2019, Johnson & Johnson Services, Inc.launched the 3D Printed Implant for the process of portfolio CONDUIT Interbody Platform with EIT Cellular Titanium Technology thereby expanding its offerings to treat deteriorating spine disease. (
  • The whole thing is then passed through a thin cable through a metal implant - a titanium pin implanted in the humerus - into the prosthesis. (
  • He attaches the prosthesis to the titanium implant using a bayonet lock and can control it immediately. (
  • The interim prosthesis was used to check the occlusal schemes, stability and functions for a satisfactory period of time. (
  • Minimal Recovery Time: A typical recovery time after a prosthesis implant procedure is four to six weeks. (
  • A modular femoral prosthesis for use during performance of a hip revision procedure includes a proximal body component, a distal stem component, and a locking bolt. (
  • Patients traveling to Perito Urology for a penile implant procedure will find that Miami is rich in culture and heritage. (
  • A Branemark type prosthesis was installed 5 days after the procedure. (
  • The nasal prosthesis will be made to look as much like your nose as possible. (
  • Green 3.0mm impression posts in place before the making of a full arch implant level transfer impression. (
  • Impression material being injected around the green impression sleeves for the making of a full arch implant level transfer impression. (
  • Green impression sleeves within the full arch implant level transfer impression. (
  • One green and two blue Impression Sleeves captured within a full-arch implant-level impression. (
  • The prosthesis has a stem that extends downward to a distal end. (
  • 4. The prosthesis according to claim 9, wherein the stem has a stem length from the lower end of the distal section to the shoulder on the proximal section, measured along the stem axis, and a flexible section length of the flexible section, measured along the stem axis, the flexible section length being at least two-thirds the stem length. (
  • Recent studies, using the method of photoelasticity [ 1 , 2 , 4 , 11 ], have demonstrated the tensions in implant-supported prostheses, in which the largest tensions were found in the distal crests of the more distal implant. (
  • 3. The method of claim 1, wherein the trial neck is installed on the trial shaft prior to installation of the trial shaft to the implanted distal stem component. (
  • 4. The method of claim 1, wherein the trial neck is installed on the trial shaft after the trial shaft is installed to the implanted distal stem component. (
  • The purpose of this in vitro study was to evaluate the ultimate force-to-failure distal to the terminal implant of a simulated ICFDP reinforced with glass fiber compared with that of a conventionally fabricated prosthesis. (
  • 1.2 Modular femoral heads, which may be affixed to cones on implants covered by this specification, are not covered by this specification. (
  • 1.6 The requirements for modular connections of multicomponent modular femoral hip prostheses are not covered by this specification. (
  • Your dentist will help you select the type of prosthesis that fits you depending on whether your teeth are replaced. (
  • We will recommend the type of prosthesis that will work best for your individual situation. (
  • A comprehensive exam is necessary to determine the condition of your mouth and your suitability for a specific type of prosthesis. (
  • A completely blind retinis pigmentosa volunteer chronically implanted with an optic nerve prosthesis has learned to discriminate one object among 6 (Lambert et al. (
  • Besides the traditional approach based on electrical stimulation through metal electrodes in the different areas of the visual path (e.g., the visual cortex, the lateral geniculate nucleus, the optic nerve, and the retina), novel concepts for neuronal stimulation have been mostly exploited as building blocks of the next generation of retinal implants. (
  • Richer and more reliable information can be obtained by implanting electrodes in all remaining muscle in the stump instead. (
  • By implanting electrodes in the nerves that used to be connected to the lost biological sensors of the hand, researchers can electrically stimulate these nerves in a similar manner as information conveyed by the biological hand. (
  • It is desirable to stimulate various retinal locations that will create a percept in world coordinates corresponding to the receptive field of the retinal cell covered by the implanted electrodes. (
  • In the Argus II visual prosthesis, the imager (i.e., the camera) captures a real-time image of the scene and stimulates the retinal electrodes based on the visual information of the scene. (
  • Epiretinal prostheses achieve this by injecting current pulses through an array of electrodes implanted on the inner surface of the retina, to activate retinal ganglion cells (RGCs), the neurons that transmit visual information to the brain ( Dagnelie, 2012 ). (
  • The inside component, the actual implant, has a coil to receive signals, electronics, and an array of electrodes which is placed into the cochlea, which stimulate the cochlear nerve. (
  • Who better than the prosthodontist can determine if the osseous support at the time of implant placement is suitable for immediate and functional loading? (
  • Third Visit: Three months after the placement of one maxillary 5.0 x 6.0mm and three 4.5 x 6.0mm implants. (
  • Cone Beam CT prior to implant placement facilitates optimal placement of the soft tissue component of the fixture, i.e., the coronal most portion of the dental implant with a 1.8 mm polished collar, so that the implant shoulder and crown margin are located close to the mucosal surface. (
  • Residual cement associated with temporary or permanent crown placement on a dental implant may irritate the surrounding soft tissues, contribute to poor plaque control directly or by creating a rough surface, and promote bacterial plaque formation. (
  • The 32-month survival of solid-screw implants - immediately loaded within 24 hours after placement - was similar to survival rates reported for solid-screw implants with conventional loading. (
  • As we do not know the fate of the buccal plate's resorption after implant placement, in the esthetic zone Zirconium Implants (shown here) and/or abutments are useful to hide any color change. (
  • Plan for second stage breast reconstruction with removal of tissue expanders and placement of permanent round silicone implants. (
  • For some medical components, such as knee or hip implants and hearing aids, the as-built shape of the component is crucial for fast patient recovery and maximum comfort. (
  • A diagnosis of advanced osteoarthritis of the knee will indicate the need for total knee replacement implants . (
  • In a total knee replacement , each compartment of your diseased knee joint will be replaced with man-made components or implants, eliminating the damaged bearing surfaces that are causing pain. (
  • In a knee implant, the femoral component made of metal, curves up around the end of the femur (or thighbone). (
  • femoro-patellar implants that go between the femoral condyles where the patella (knee cap) sits (The patella will be resurfaced as well. (
  • They are resurfaced with a cobalt chrome implants that conforms precisely to the anatomy of the knee. (
  • If two compartments are compromised, and a total joint replacement is not required or desired, you may have the option of a bi-compartmental knee implant . (
  • Such implants can be custom made for the knee replacement patient from MRI scans . (
  • Oral hygiene is difficult, and many patients leave food under these prostheses, causing gingival irritation and foul breath. (
  • Another phenomenon that occurs following arthroplasty, which has not been conclusively explained, is that younger and more physically active patients encounter a higher risk of future prostheses loosening [19]. (
  • Prosthesis helps restore the patients' selfesteem and confidence, hence affecting the patients and their life style [ 4 - 6 ]. (
  • Fifteen patients were treated with a new TAR model by one manufacturer, characterized by an anatomic design and implanted through a lateral trans-malleolar approach. (
  • Additionally, to demonstrate that an eye tracker can be calibrated on sightless patients based on the percept from a visual implant. (
  • The new Titan Touch implant pump successfully maintains a 'one touch deflation' system," states Paul Perito, MD. "The initial feedback is positive and we believe the Titan Touch will be a milestone product for penile implant patients. (
  • Penile implant patients have exclusive use of Perito Urology's concierge care service. (
  • Seventeen prospective studies, including 501 patients and 2,827 implants, were selected for meta-analysis. (
  • SRP studies included 3 prospective studies and 2 split-mouth RCTs with a total of 113 patients and 352 placed implants. (
  • Minimally invasive implants are a good option for patients reaching skeletal maturity especially if the resection is relatively small. (
  • its nice to use zirconium implant system & Z-instruments instead of Ti -implants for allergic patients. (
  • In the past, fixed prostheses were believed to be more efficient implant-supported devices than removable types for edentulous patients. (
  • The patient-specific Triflange acetabular implant for revision total hip arthroplasty in patients with severe acetabular defects: planning, implantation, and results. (
  • Using these sensations as feedback during bidirectional prosthesis control, the patients were able to perform several functional tasks that would not be possible otherwise, such as applying one of three levels of force on an external sensor. (
  • Randomised controlled trials (RCTs), prospective and retrospective cohort studies in partially edentulous patients rehabilitated by non-immediately loaded fixed dental prostheses connecting implants to teeth that included details of the connection/attachment mode (rigid or non-rigid) with a follow up of at least 12 months were considered. (
  • 481 patients received 526 FDPs supported by 981 abutment teeth connected with 1072 implants. (
  • Patients who receive a prosthesis after the amputation of a limb often have to train for weeks or months until they can control the technology and use it in everyday life without problems. (
  • In an interview with, Prof. Oskar Aszmann talks about what bionic reconstruction actually means, how the novel prosthesis works and why the system can not only help patients after an amputation. (
  • In the patients who had this implant placed only recently, it took about three months for it to heal sufficiently. (
  • Single-tooth fixed and individual attachment removable prostheses generated approximately half the hourly income produced by multiple-unit fixed and bar/clip removable implant prostheses, and the individual attachment design had the highest ratio of expenses to income. (
  • When one considers even the simplest single tooth replacement, the implant takes the place of the tooth root in the alveolus. (
  • Then consider preparation of multiple teeth for the construction of a complete arch tooth supported prosthesis. (
  • One implant for each missing tooth was requested to be inserted. (
  • The number of dental implants placed continues to increase and the use of tooth- implant connections for fixed dental prostheses has been reported since the 1980s. (
  • The aim of this review was to assess the survival and complication rates of tooth-implant supported fixed dental prostheses. (
  • Data was extracted and risk of bias assessed using checklists from the Scottish Intercollegiate Guidelines Network (SIGN 50), Estimated failure rates of tooth-implant supported fixed dental prostheses (T-I FDPs) and implants per 100 T-I FDPs/implant years were calculated. (
  • However, biomechanical differences between tooth and implants mean that tooth micro-mobility is around 10 times that of dental implants. (
  • 3 studies included only rigid fixed reconstructions, with 6 studies reporting on both rigid and non-rigid implant to tooth connection fixed dental prostheses. (
  • The tooth-implant FDP seems to be a possible alternative to an implant-supported FDP. (
  • Single Prosthesis - A crown attached to its own implant , used to replace a single missing tooth. (
  • Esthetics was the most commonly reported factor influencing the decision to use a fixed or removable prosthesis, while cosgt was infrequently cited. (
  • Cost is much higher than removable prosthesis placed over implants. (
  • Other fact, which must be considered, is the biting force, that increases three times more with the use of overdentures based on implants, when compared with conventional dentures. (
  • Chewing ability is better than non-implant-supported dentures, if fabricated properly. (
  • This is the solution adopted by the Argus II retinal prosthesis, which is currently the only Food and Drug administration-approved retinal prosthesis for the blind. (
  • After hearing the testimony, asking questions, discussing concerns, and carefully deliberating, the panel voted unanimously that the probable benefit of the Argus II Retinal Prosthesis System outweighs the risks to health. (
  • While the European Approval last year was based on the safety and the long term performance of the Argus II Retinal Prosthesis System, the FDA panel required the demonstration of probable benefit as well. (
  • impacting the acetabular component of the prosthesis in the cavity of the pelvis in the preferential position. (
  • This document specifies the test conditions to simulate edge loading in hip prostheses due to steep acetabular cup inclination angle and dynamic separation conditions. (
  • sphericity and surface finish requirements and dimensional tolerances for metallic or ceramic femoral components of total hip joint prostheses that are in accordance with classification c) of ISO 7206-1, designed to articulate on plastics acetabular components. (
  • Pooled data were statistically analyzed and cumulative implant- and prosthesis survival rates were calculated by meta-analysis, regression, and chi-square statistics. (
  • Implant-related and prosthesis-related factors were identified and their impact on survival rates was assessed. (
  • smooth surface implant survival rates ranged from 98.93% (95% CI: 98.38-99.49) (5 years) to 97.88% (95% CI: 96.78-98.98) (10 years). (
  • The aim of this study was to prospectively evaluate the survival rate of splinted and immediately loaded Straumann sandblasted, large-grit, acid-etched, solid-screw dental implants in the edentulous maxilla after 32 months of loading. (
  • Considering the inclusion criteria of this systematic review, T-I FDP-supported fixed dental prostheses show acceptable survival rates after five and 10 years. (
  • Prostheses survival was 85-100% for the same time period. (
  • they generally require a facial prosthesis to restore function and appearance. (
  • A new facial prosthesis needs to be remade about every 2 years. (
  • Standard Specification for Femoral Prostheses. (
  • 1.4 Custom femoral prostheses, designed explicitly for a single patient, are not covered within the scope of this specification. (
  • If successfully implanted, the reported longevity of penile prosthesis has highly varied, ranging usually between 5-15 yrs, but may be shorter as 1-3 yrs or longer up to 20-25 yrs, at least based on my personal experience. (
  • Guttal SS, Bangera BS, Kudva A, Patil BR, Thakur S (2016) Unique Magnetic Attachment Designed for a Solitary Dental Implant Retaining Silicone Nose Prosthesis. (
  • The abutment penetrates the residuum's skin and serves as the pylon connecting the residuum to the limb prosthesis. (
  • This problem is so pronounced, that some users prefer to use body powered prostheses, where the cables used to actuate the limb provide some rudimentary form of indirect sensory feedback 4 . (
  • One of the major goals in the development of future upper limb prostheses is thus the restoration of sensory feedback. (