Prostheses used to partially or totally replace a human or animal joint. (from UMDNS, 1999)
The joint that is formed by the articulation of the head of FEMUR and the ACETABULUM of the PELVIS.
Types of prosthetic joints in which both wear surfaces of the joint coupling are metallic.
Replacement for a hip joint.
Infections resulting from the implantation of prosthetic devices. The infections may be acquired from intraoperative contamination (early) or hematogenously acquired from other sites (late).
Malfunction of implantation shunts, valves, etc., and prosthesis loosening, migration, and breaking.
Replacement for a knee joint.
Implantable devices which continuously monitor the electrical activity of the heart and automatically detect and terminate ventricular tachycardia (TACHYCARDIA, VENTRICULAR) and VENTRICULAR FIBRILLATION. They consist of an impulse generator, batteries, and electrodes.
The plan and delineation of prostheses in general or a specific prosthesis.
Partial or total replacement of a joint.
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.
Also known as articulations, these are points of connection between the ends of certain separate bones, or where the borders of other bones are juxtaposed.
The projecting part on each side of the body, formed by the side of the pelvis and the top portion of the femur.
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.
A device that substitutes for a heart valve. It may be composed of biological material (BIOPROSTHESIS) and/or synthetic material.
A synovial hinge connection formed between the bones of the FEMUR; TIBIA; and PATELLA.
Replacement of the hip 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.
Surgical insertion of a prosthesis.
Prosthetic replacements for arms, legs, and parts thereof.
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.
Medical devices which substitute for a nervous system function by electrically stimulating the nerves directly and monitoring the response to the electrical stimulation.
The fitting and adjusting of artificial parts of the body. (From Stedman's, 26th ed)
An implant used to replace one or more of the ear ossicles. They are usually made of plastic, Gelfoam, ceramic, or stainless steel.
Congenital dislocation of the hip generally includes subluxation of the femoral head, acetabular dysplasia, and complete dislocation of the femoral head from the true acetabulum. This condition occurs in approximately 1 in 1000 live births and is more common in females than in males.
The joint that is formed by the inferior articular and malleolar articular surfaces of the TIBIA; the malleolar articular surface of the FIBULA; and the medial malleolar, lateral malleolar, and superior surfaces of the TALUS.
A hereditary disease of the hip joints in dogs. Signs of the disease may be evident any time after 4 weeks of age.
The hemispheric articular surface at the upper extremity of the thigh bone. (Stedman, 26th ed)
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)
Fractures of the FEMUR HEAD; the FEMUR NECK; (FEMORAL NECK FRACTURES); the trochanters; or the inter- or subtrochanteric region. Excludes fractures of the acetabulum and fractures of the femoral shaft below the subtrochanteric region (FEMORAL FRACTURES).
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.
General or unspecified injuries involving the hip.
The part of the pelvis that comprises the pelvic socket where the head of FEMUR joins to form HIP JOINT (acetabulofemoral joint).
The articulation between the head of one phalanx and the base of the one distal to it, in each finger.
Displacement of the femur bone from its normal position at the HIP JOINT.
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)
Surgical insertion of synthetic material to repair injured or diseased heart valves.
The properties, processes, and behavior of biological systems under the action of mechanical forces.
The sac enclosing a joint. It is composed of an outer fibrous articular capsule and an inner SYNOVIAL MEMBRANE.
Failure of equipment to perform to standard. The failure may be due to defects or improper use.
A repeat operation for the same condition in the same patient due to disease progression or recurrence, or as followup to failed previous surgery.
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.
Device constructed of either synthetic or biological material that is used for the repair of injured or diseased blood vessels.
Surgically placed electric conductors through which ELECTRIC STIMULATION of nerve tissue is delivered.
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.
An inhibitory subclass of NK cell lectin-like receptors that interacts with CLASS I MAJOR HISTOCOMPATIBILITY ANTIGENS and prevents the activation of NK CELLS.
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.
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.
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)
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 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.
Surgically placed electric conductors through which ELECTRIC STIMULATION is delivered to or electrical activity is recorded from a specific point inside the body.
Removal of an implanted therapeutic or prosthetic device.
The longest and largest bone of the skeleton, it is situated between the hip and the knee.
Surgical insertion of cylindric hydraulic devices for the treatment of organic ERECTILE DYSFUNCTION.
A signal transducing adaptor protein that is encoded by the crk ONCOGENE from TYPE C AVIAN RETROVIRUSES. It contains SRC HOMOLOGY DOMAINS and is closely related to its cellular homolog, PROTO-ONCOGENE PROTEIN C-CRK.
The joint that is formed by the distal end of the RADIUS, the articular disc of the distal radioulnar joint, and the proximal row of CARPAL BONES; (SCAPHOID BONE; LUNATE BONE; triquetral bone).
Methods of creating machines and devices.
An electrical current applied to the HEART to terminate a disturbance of its rhythm, ARRHYTHMIAS, CARDIAC. (Stedman, 25th ed)
Coloring, shading, or tinting of prosthetic components, devices, and materials.
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.
Replacement of the knee joint.
The articulation between the head of the HUMERUS and the glenoid cavity of the SCAPULA.
A potentially lethal cardiac arrhythmia that is characterized by uncoordinated extremely rapid firing of electrical impulses (400-600/min) in HEART VENTRICLES. Such asynchronous ventricular quivering or fibrillation prevents any effective cardiac output and results in unconsciousness (SYNCOPE). It is one of the major electrocardiographic patterns seen with CARDIAC ARREST.
Unexpected rapid natural death due to cardiovascular collapse within one hour of initial symptoms. It is usually caused by the worsening of existing heart diseases. The sudden onset of symptoms, such as CHEST PAIN and CARDIAC ARRHYTHMIAS, particularly VENTRICULAR TACHYCARDIA, can lead to the loss of consciousness and cardiac arrest followed by biological death. (from Braunwald's Heart Disease: A Textbook of Cardiovascular Medicine, 7th ed., 2005)
A device designed to stimulate, by electric impulses, contraction of the heart muscles. It may be temporary (external) or permanent (internal or internal-external).
Aseptic or avascular necrosis of the femoral head. The major types are idiopathic (primary), as a complication of fractures or dislocations, and LEGG-CALVE-PERTHES DISEASE.
Manner or style of walking.
A family of flightless, running BIRDS, in the order Casuariiformes. The emu is the only surviving member of the family. They naturally inhabit forests, open plains, and grasslands in Australia.
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 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.
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.
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.
Implanted fluid propulsion systems with self-contained power source for providing long-term controlled-rate delivery of drugs such as chemotherapeutic agents or analgesics. Delivery rate may be externally controlled or osmotically or peristatically controlled with the aid of transcutaneous monitoring.
The immovable joint formed by the lateral surfaces of the SACRUM and ILIUM.
Elements of limited time intervals, contributing to particular results or situations.
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.
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.
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.
A protective layer of firm, flexible cartilage over the articulating ends of bones. It provides a smooth surface for joint movement, protecting the ends of long bones from wear at points of contact.
Freedom of equipment from actual or potential hazards.
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.
Any disturbances of the normal rhythmic beating of the heart or MYOCARDIAL CONTRACTION. Cardiac arrhythmias can be classified by the abnormalities in HEART RATE, disorders of electrical impulse generation, or impulse conduction.
Holding a PROSTHESIS in place.
Amputation or separation at a joint. (Dorland, 28th ed)
Holding a DENTAL PROSTHESIS in place by its design, or by the use of additional devices or adhesives.
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.
The valve between the left ventricle and the ascending aorta which prevents backflow into the left ventricle.
Surgical reconstruction of a joint to relieve pain or restore motion.
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.
Roentgenography of a joint, usually after injection of either positive or negative contrast medium.
The part of a limb or tail following amputation that is proximal to the amputated section.
A chronic systemic disease, primarily of the joints, marked by inflammatory changes in the synovial membranes and articular structures, widespread fibrinoid degeneration of the collagen fibers in mesenchymal tissues, and by atrophy and rarefaction of bony structures. Etiology is unknown, but autoimmune mechanisms have been implicated.
Noninflammatory degenerative disease of the knee joint consisting of three large categories: conditions that block normal synchronous movement, conditions that produce abnormal pathways of motion, and conditions that cause stress concentration resulting in changes to articular cartilage. (Crenshaw, Campbell's Operative Orthopaedics, 8th ed, p2019)
A partial denture attached to prepared natural teeth, roots, or implants by cementation.
The surgical cutting of a bone. (Dorland, 28th ed)
Pain in the joint.
A variety of conditions affecting the anatomic and functional characteristics of the temporomandibular joint. Factors contributing to the complexity of temporomandibular diseases are its relation to dentition and mastication and the symptomatic effects in other areas which account for referred pain to the joint and the difficulties in applying traditional diagnostic procedures to temporomandibular joint pathology where tissue is rarely obtained and x-rays are often inadequate or nonspecific. Common diseases are developmental abnormalities, trauma, subluxation, luxation, arthritis, and neoplasia. (From Thoma's Oral Pathology, 6th ed, pp577-600)
Injuries caused by electric currents. The concept excludes electric burns (BURNS, ELECTRIC), but includes accidental electrocution and electric shock.
The clear, viscous fluid secreted by the SYNOVIAL MEMBRANE. It contains mucin, albumin, fat, and mineral salts and serves to lubricate joints.
The articulation between a metatarsal bone (METATARSAL BONES) and a phalanx.
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.
The articulations extending from the ANKLE distally to the TOES. These include the ANKLE JOINT; TARSAL JOINTS; METATARSOPHALANGEAL JOINT; and TOE JOINT.
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.
Appliances that close a cleft or fissure of the palate.
The concentration of a compound needed to reduce population growth of organisms, including eukaryotic cells, by 50% in vitro. Though often expressed to denote in vitro antibacterial activity, it is also used as a benchmark for cytotoxicity to eukaryotic cells in culture.
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 act, process, or result of passing from one place or position to another. It differs from LOCOMOTION in that locomotion is restricted to the passing of the whole body from one place to another, while movement encompasses both locomotion but also a change of the position of the whole body or any of its parts. Movement may be used with reference to humans, vertebrate and invertebrate animals, and microorganisms. Differentiate also from MOTOR ACTIVITY, movement associated with behavior.
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.
Synthetic or natural materials, other than DRUGS, that are used to replace or repair any body TISSUES or bodily function.
The statistical reproducibility of measurements (often in a clinical context), including the testing of instrumentation or techniques to obtain reproducible results. The concept includes reproducibility of physiological measurements, which may be used to develop rules to assess probability or prognosis, or response to a stimulus; reproducibility of occurrence of a condition; and reproducibility of experimental results.
Prolonged failure of muscle relaxation after contraction. This may occur after voluntary contractions, muscle percussion, or electrical stimulation of the muscle. Myotonia is a characteristic feature of MYOTONIC DISORDERS.
A dead body, usually a human body.
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)
A partial or complete return to the normal or proper physiologic activity of an organ or part following disease or trauma.
Electronic devices that increase the magnitude of a signal's power level or current.
The removal of a limb or other appendage or outgrowth of the body. (Dorland, 28th ed)
Transmission of the readings of instruments to a remote location by means of wires, radio waves, or other means. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
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.
The rotational force about an axis that is equal to the product of a force times the distance from the axis where the force is applied.
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.
An activity in which the body advances at a slow to moderate pace by moving the feet in a coordinated fashion. This includes recreational walking, walking for fitness, and competitive race-walking.
The application of LUBRICANTS to diminish FRICTION between two surfaces.
Procedures used to reconstruct, restore, or improve defective, damaged, or missing structures.
A form of pneumoconiosis resulting from inhalation of iron in the mining dust or welding fumes.
A mixture of metallic elements or compounds with other metallic or metalloid elements in varying proportions.
A plate of fibrous tissue that divides the temporomandibular joint into an upper and lower cavity. The disc is attached to the articular capsule and moves forward with the condyle in free opening and protrusion. (Boucher's Clinical Dental Terminology, 4th ed, p92)
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.
A computer based method of simulating or analyzing the behavior of structures or components.
An aspect of personal behavior or lifestyle, environmental exposure, or inborn or inherited characteristic, which, on the basis of epidemiologic evidence, is known to be associated with a health-related condition considered important to prevent.
The gliding joint formed by the outer extremity of the CLAVICLE and the inner margin of the acromion process of the SCAPULA.
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.
Death of a bone or part of a bone, either atraumatic or posttraumatic.
Agents used for the treatment or prevention of cardiac arrhythmias. They may affect the polarization-repolarization phase of the action potential, its excitability or refractoriness, or impulse conduction or membrane responsiveness within cardiac fibers. Anti-arrhythmia agents are often classed into four main groups according to their mechanism of action: sodium channel blockade, beta-adrenergic blockade, repolarization prolongation, or calcium channel blockade.
The valve between the left atrium and left ventricle of the heart.
A genus of GREEN ALGAE in the family Ulvaceae. Commonly know as sea lettuces, they grow attached to rocks and KELP in marine and estuarine waters.
An unpleasant sensation induced by noxious stimuli which are detected by NERVE ENDINGS of NOCICEPTIVE NEURONS.
The mineral component of bones and teeth; it has been used therapeutically as a prosthetic aid and in the prevention and treatment of osteoporosis.
Fibrous cords of CONNECTIVE TISSUE that attach bones to each other and hold together the many types of joints in the body. Articular ligaments are strong, elastic, and allow movement in only specific directions, depending on the individual joint.
Fixation and immobility of a joint.
The position or attitude of the body.
The space or compartment surrounded by the pelvic girdle (bony pelvis). It is subdivided into the greater pelvis and LESSER PELVIS. The pelvic girdle is formed by the PELVIC BONES and SACRUM.
Methods of delivering drugs into a joint space.
Recording of the moment-to-moment electromotive forces of the HEART as projected onto various sites on the body's surface, delineated as a scalar function of time. The recording is monitored by a tracing on slow moving chart paper or by observing it on a cardioscope, which is a CATHODE RAY TUBE DISPLAY.
The retention of a denture in place by design, device, or adhesion.
Surgical insertion of BLOOD VESSEL PROSTHESES to repair injured or diseased blood vessels.
Levels within a diagnostic group which are established by various measurement criteria applied to the seriousness of a patient's disorder.
Devices that control the supply of electric current for running electrical equipment.
Regulation of the rate of contraction of the heart muscles by an artificial pacemaker.
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.
Removable prosthesis constructed over natural teeth or implanted studs.
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.
Bones that constitute each half of the pelvic girdle in VERTEBRATES, formed by fusion of the ILIUM; ISCHIUM; and PUBIC BONE.
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.
Movement or the ability to move from one place or another. It can refer to humans, vertebrate or invertebrate animals, and microorganisms.
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 procedure consisting of a sequence of algebraic formulas and/or logical steps to calculate or determine a given task.
Motion of an object in which either one or more points on a line are fixed. It is also the motion of a particle about a fixed point. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
Inflammation of a synovial membrane. It is usually painful, particularly on motion, and is characterized by a fluctuating swelling due to effusion within a synovial sac. (Dorland, 27th ed)
The inferior part of the lower extremity between the KNEE and the ANKLE.
Non-neoplastic tumor-like lesions at joints, developed from the SYNOVIAL MEMBRANE of a joint through the JOINT CAPSULE into the periarticular tissues. They are filled with SYNOVIAL FLUID with a smooth and translucent appearance. A synovial cyst can develop from any joint, but most commonly at the back of the knee, where it is known as POPLITEAL CYST.
Three-dimensional representation to show anatomic structures. Models may be used in place of intact animals or organisms for teaching, practice, and study.
A partial denture designed and constructed to be removed readily from the mouth.
Tomography using x-ray transmission and a computer algorithm to reconstruct the image.
An antianginal and class III antiarrhythmic drug. It increases the duration of ventricular and atrial muscle action by inhibiting POTASSIUM CHANNELS and VOLTAGE-GATED SODIUM CHANNELS. There is a resulting decrease in heart rate and in vascular resistance.
Recording of the changes in electric potential of muscle by means of surface or needle electrodes.
A prosthetic appliance for the replacement of areas of the mandible missing or defective as a result of deformity, disease, injury, or surgery.
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.
Absence of teeth from a portion of the mandible and/or maxilla.
Time period from 1401 through 1500 of the common era.
The flat, triangular bone situated at the anterior part of the KNEE.
Migration of a foreign body from its original location to some other location in the body.
The qualitative or quantitative estimation of the likelihood of adverse effects that may result from exposure to specified health hazards or from the absence of beneficial influences. (Last, Dictionary of Epidemiology, 1988)
Non-invasive method of demonstrating internal anatomy based on the principle that atomic nuclei in a strong magnetic field absorb pulses of radiofrequency energy and emit them as radiowaves which can be reconstructed into computerized images. The concept includes proton spin tomographic techniques.
... prostheses; from Ancient Greek prosthesis, "addition, application, attachment")[1] or prosthetic implant[2][3] is an artificial ... "A novel concept for the manufacture of individual sapphire-metallic hip joint endoprostheses". Journal of Biological Physics ... No neurocognitive prostheses are currently available but the development of implantable neurocognitive brain-computer ... Limb prostheses include both upper- and lower-extremity prostheses. Upper-extremity prostheses are used at varying levels of ...
TiN has been suggested as the friction surface in hip prostheses. While cell culture tests show a good biocompatibility, the ... Contrary to artificial teeth in resin, the colour of tooth ceramic remains stable Zirconia doped with yttrium oxide has been ... In bone repair applications, i.e. scaffolds for bone regeneration, the solubility of bioceramics is an important parameter, and ... Joint replacements are commonly coated with bioceramic materials to reduce wear and inflammatory response. Other examples of ...
For example, replacement bones and joints, such as those found in hip replacements, could also be considered artificial organs ... Curley, Bob (September 27, 2018). "Implantable Artificial Kidney Moves Closer to Reality". Healthline. "Artificial kidney ... Additional materials have allowed artificial limbs to look much more realistic. Prostheses can roughly be categorized as upper ... This information can create various applications such as creating "human in vitro models" for both healthy and diseased organs ...
... s are used in: Joint replacements Bone plates Intraocular lenses (IOLs) for eye surgery Bone cement Artificial ... such as pacemaker or hip replacement) ". Modern medical devices and prostheses are often made of more than one material, so it ... Depending on the application, it may be desirable for a biomaterial to have high strength so that it is resistant to failure ... Lacour, Stéphanie P.; Courtine, Grégoire; Guck, Jochen (2016). "Materials and technologies for soft implantable neuroprostheses ...
Implants, such as artificial hip joints, are generally extensively regulated due to the invasive nature of such devices. ... Prominent biomedical engineering applications include the development of biocompatible prostheses, various diagnostic and ... hip and knee joint implants, silicone gel-filled breast implants, implanted cerebellar stimulators, implantable pacemaker pulse ... Artificial limbs: The right arm is an example of a prosthesis, and the left arm is an example of myoelectric control. ...
Partial and total hip joint prostheses ISO 7206-1:2008 Part 1: Classification and designation of dimensions ISO 7206-2:2011 ... Vascular prostheses - Tubular vascular grafts and vascular patches ISO 7199:2016 Cardiovascular implants and artificial organs ... carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line process application using three columns ISO 6974- ... for implantable pacemakers ISO 5843 Aerospace - List of equivalent terms ISO 5843-1:1985 Part 1: Aerospace electrical equipment ...
F2032-15 Specification for Helmets Used for BMX Cycling F2033-20 Specification for Total Hip Joint Prosthesis and Hip ... F702-18 Specification for Polysulfone Resin for Medical Applications F703-18 Specification for Implantable Breast Prostheses ... Artificial Surfaces F3401-19 Test Method for Wax Binder Removal from Equestrian Synthetic Track Surfaces F3407-20 Test Method ... Marine Piping Applications F1007-18 Specification for Pipeline Expansion Joints of the Packed Slip Type for Marine Application ...
Joint replacement of lower extremity (81.51) Total hip replacement (81.52) Partial hip replacement (81.53) Revision of hip ... Artificial rupture of membranes (73.01) Induction of labor by artificial rupture of membranes (73.09) Other artificial rupture ... Application of neck support Application of cervical collar Application of Minerva jacket (93.6) Osteopathic manipulative ... Fitting of external prosthesis of penis Penlie prosthesis NOS (64.95) Insertion or replacement of non-inflatable penlie ...
The many examples of implant failure include rupture of silicone breast implants, hip replacement joints, and artificial heart ... Biofunctionalisation Implantable devices List of orthopedic implants Medical device Prosthesis Microchip implant (in French) ... The application of this device is being tested an alternative to medicating sufferers of rheumatoid arthritis for their ... Examples include the artificial heart, artificial heart valve, implantable cardioverter-defibrillator, cardiac pacemaker, and ...
... prostheses; from Ancient Greek prosthesis, "addition, application, attachment") or prosthetic implant is an artificial device ... an amputee or congenitally challenged patient has either an amputation or anomaly at or in close proximity to the hip joint. ... No neurocognitive prostheses are currently available but the development of implantable neurocognitive brain-computer ... A transradial prosthesis is an artificial limb that replaces an arm missing below the elbow. Upper limb prostheses can be ...
The many examples of implant failure include rupture of silicone breast implants, hip replacement joints, and artificial heart ... Implantable devices. *List of orthopedic implants. *Medical device. *Prosthesis. *(in French)Implant Files scandal by ICIJ, ... Applications[edit]. Implants can roughly be categorized into groups by application: Sensory and neurological[edit]. Sensory and ... Examples include the artificial heart, artificial heart valve, implantable cardioverter-defibrillator, cardiac pacemaker, and ...
2000 Prostheses - Structural testing of hip units ISO/IEC 15041:1997 Information technology - Data interchange on 90 mm optical ... Regulated applications ISO 15638-7:2013 Part 7: Other applications ISO 15638-8:2014 Part 8: Vehicle access management ISO/TS ... However, about 300 of the standards produced by ISO and IEC's Joint Technical Committee 1 (JTC1) have been made freely and ... polymers and compounds for use in implantable medical devices ISO/PAS 15339 Graphic technology - Printing from digital data ...
Artificial hip replacement has become more common. Heart pacemakers or valves may be inserted. Many other types of prostheses ... pioneered the Symes Amputation for the ankle joint and successfully carried out the first hip disarticulation. ... Implantable loop recorder. Cardiac stress test Bruce protocol. Electrophysiology study. Cardiac imaging. Angiocardiography. ... If hair is present at the surgical site, it is clipped off prior to prep application. The patient is assisted by an ...
The prosthesis includes a body for implantation at least partially within the medullary canal of a long bone. The long bone ... The surface features are positioned to optimally transfer load from the prosthesis to the long bone. ... A ball and socket joint prosthesis for use in arthroplasty is provided. ... such as bone prosthesis. Such bone prosthesis include components of artificial joints, such as elbows, hips, knees, and ...
... for use in performing joint arthroplasty is provided. The prosthesis (20) is to be fitted to a long bone (3). The prosthesis ... The prosthesis (20) also includes a second body (30) operably associated with the first body (22). The second body (30) has a ... such as bone prostheses. Such bone prostheses include components of artificial joints, such as elbows, hips, knees and ... One such implantable prosthesis is a shoulder prosthesis. During the lifetime of a patient it may be necessary to perform a ...
The integral, as-cast macrotextured surface is able to be formed on the implantable articles by a modified casting process. As ... Thereafter, molten casting material can be poured into the resulting mold to obtain the implantable articles. ... An implantable article having on at least a portion of its exterior surface an integral, as-cast macrotextured surface having ... such as bone prostheses. Such bone prostheses include components of artificial joints, such as elbows, hips, knees, and ...
Also provided is a method of improving a patients positioning during hip replacement surgery by using a variable configuration ... for modifying a shape of a proximal femur of a patient for installation of a stem of a femoral component of a prosthetic hip ... during hip replacement surgery, comprising a handle including an elongated shaft extending downward approximately in a z- ... Both artificial hip joints and artificial shoulder joints are generally ball and socket joints, designed to match as closely as ...
The biological application, especially as a biocompatible coating, mainly includes the joint replacement implants and ... film has been fabricated and found new applications. The grain size of NCD film is in the range of 10 to 100 nm, which inherits ... mechanical and biological properties facilitate their application in various fields. ... However, the diamond film with grain sizes at microscale usually exhibits high surface roughness and hinders its applications ...
... prosthesis weight:350g load weight:45kg knee flexion range:125 warranty:1 year MOQ:1PCS type:artificial limb application:hip ... Implantable Artificial Organs Brand Name:AS Model Number:C7E6-A Place of Origin:Hebei, China (Mainland) Licence Number:CE ... joint Material:Aluminum Name:health supplier Al artificial prosthetic Child four bar hip joint ... artificial limb application:hip joint Material:Aluminum Name:health supplier Al artificial prosthetic Child four bar hip joint ...
... including hip, knee and shoulder joints. In some embodiments, an artificial joint prosthesis includes: a bone-facing surface of ... a first component of the artificial joint prosthesis including a contact surface of the artificial joint prosthesis, the first ... the artificial joint prosthesis including at least one magnet configured to create a magnetic field within the artificial joint ... a artificial joint prosthesis, the bone-facing surface configured to face a bone-prosthesis interface in vivo; ...
PROSTHESIS WITH GUIDE LUMEN , BRANCH STENT GRAFT DEPLOYMENT AND METHOD , CATHETER DELIVERY DEVICE , ... ARTIFICIAL KNEE JOINT CAPABLE OF PREVENTING DISLOCATION OF THIGHBONE COUPLING MEMBER. An artificial knee joint, which includes ... Non-metal Ball-headed Hip Joint Prosthesis. This invention revolves around medical devices, especially the non-metal ball- ... IMPLANTABLE COMPOSITE CONTAINING CARBONATED HYDROXYAPATITE. Provided is an implantable composite which includes a plurality of ...
Artificial hip joint FR2889446B1 (en) * 2005-08-02. 2009-03-06. Amplitude Soc Par Actions Simp. Range femoral prostheses for ... Ball and socket bearing for artifical joint US5876456A (en) 1999-03-02. Implantable prosthesis having interference-locked hole ... Family Applications (1). Application Number. Title. Priority Date. Filing Date. US13/466,944 Pending US20130304225A1 (en) 2012- ... An artificial hip joint replacement system US9642709B2 (en) * 2012-09-11. 2017-05-09. Cornell University. Artificial hip joint ...
In this report, the global Artificial Cardiac Valves market is... ... 110 Pages Report] Check for Discount on Global Artificial ... North America and Europe Joint Replacement Market by Manufacturers, Regions, Type and Application, Forecast to 2023. ... United States Hip Replacement Implants Market Report 2018. In this report, the United States Hip Replacement Implants market is ... United States Implantable Medical Devices Market Report 2018. In this report, the United States Implantable Medical Devices ...
Polyethylene hip joint prosthesis with extended range of motion. October, 2002. Harris et al. ... RELATED APPLICATIONS This application is related to U.S. patent application Ser. No. 10/215,800, which was filed Aug. 9, 2002, ... Intra-Ocular Artificial Lens for Iris-Driven Accommodation. September, 2008. Rombach. 20080269904. Lumbar disc replacement ... The present invention relates to an implantable cardiac prosthesis and, more particularly, to a prosthesis that can be ...
A prosthesis for replacement of a damaged joint or load-bearing structure in an animal or human body comprises a shaped ... 7 is a sectional view of an artificial hip joint showing placement of the prostheses of FIGS. 1 to 6, when in use, the host ... SURGICALLY IMPLANTABLE PROSTHETIC JOINT. 1969-08-26. Swanson. 3/191. 2679245. Prosthesis for femoral heads. 1954-05-25. ... RELATED APPLICATION. This is a continuation of application Ser. No. 162,936, filed July 15, 1971, now abandoned, which was a ...
Endoprosthesis, in particular an artificial hip joint. US6077989. 15 May 1997. 20 Jun 2000. Kandel; Rita. Resorbable implant ... Femoral prosthesis. US5633002. 4 May 1995. 27 May 1997. Boehringer Ingelheim Gmbh. Implantable, biodegradable system for ... End use applications of biodegradable polymers. US5766239. 3 Oct 1997. 16 Jun 1998. Advanced Cardiovascular Systems, Inc.. ... Endoprosthesis of the hip joint. US5266608. 27 Jun 1991. 30 Nov 1993. Technion Research & Devt Foundation, Ltd.. Biomedical ...
... equipped with electronic sensors and actuators that enables to monitor the fit of the artificial hip joint and the bone ... To this end, Fraunhofer researchers are developing the following three demonstrators: A Smart hip-joint prostheses, ... Smart hip-joint prostheses - skeletal system demonstrator. Artificial hip joints are mostly implanted in patients suffering ... Their choice of applications was based on diseases that account for a high proportion of the costs borne by German health ...
The system includes a first attachment structure configured to be attached to a first member of the joint and a second ... attachment structure configured to be attached to a second member of the joint. There is also an adjustable energy absorbing ... A system for manipulating energy transferred by members defining a joint. ... Endoprostheses, especially for hip joints. US3681786. 13 Jul 1970. 8 Aug 1972. Medical Eng Corp. Solid human prosthesis of ...
ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR : IMPLANTABLE PROSTHESIS : Bone : Joint bone : Hip ... SURGERY : INSTRUMENTS : Light application : Lithotripsy :). Patent 5009659: Fiber tip atherectomy catheter. (SURGERY : ... ARTIFICIAL BODY MEMBERS), PARTS THEREOF, OR AIDS AND ACCESSORIES THEREFOR : IMPLANTABLE PROSTHESIS : Bone : Joint bone : Hip ... SURGERY : INSTRUMENTS : Electrical application : Applicators : Cutting : Bipolar electrodes : With formable electrode). Patent ...
Methods and Devices Related to Patient-Adapted Hip Joint Implants. This application relates to hip replacement systems and ... STENT AND IMPLANTABLE VALVE INCORPORATING SAME. A collapsible stent for an implantable prosthetic valve incorporates leaflet- ... Bionic dislocation-proof artificial lumbar vertebrae and disc complex. The bionic dislocation-proof artificial lumbar vertebrae ... Prosthesis deployment devices are disclosed herein. In some embodiments, the prosthesis deployment device comprises an elongate ...
A method and system for acquiring the attitudes of an acetabulum and a femoral head in real time during an artificial hip joint ... Implantable systems, devices and related methods. The present application is generally directed to implantable systems, devices ... Artificial spinal disk prosthesis. Intervertebral endoprosthesis discs suitable for surgical implantation between two vertebrae ... Contact surface adapter and components for artificial prosthesis installation clamp. In the use of devices and methods for ...
This patent search tool allows you not only to search the PCT database of about 2 million International Applications but also ... Prostheses implantable into the body. 30. Joints. 32. for the hip. 36. Femoral heads ; ; Femoral endoprostheses. 3662. Femoral ... Said endoprosthesis comprises a stem part (1) of an artificial hip joint and a condyle part (2) of an artificial knee joint. ... Prostheses implantable into the body. 30. Joints. 32. for the hip. 36. Femoral heads ; ; Femoral endoprostheses. 3662. Femoral ...
This patent search tool allows you not only to search the PCT database of about 2 million International Applications but also ... Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; ... Some content of this application is unavailable at the moment. If this situation persists, please contact us at. Feedback& ... Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor ...
Space for a cement mantle can be left through the use of an appropriately sized trial prosthesis. ... A trial prosthesis is used to shape the bone graft within the canal for the prosthesis. ... Hip joint prosthesis. US4277238 *. 30 Mar 1979. 7 Jul 1981. Masataka Katagiri. Artificial bonelike graft and method for ... Revision hip prosthesis having an implantable distal stem component. US9532884. 26 Mar 2014. 3 Jan 2017. Nlt Spine Ltd.. ...
Figure 5.Bionic leg components: (a) the artificial hip [58], (b) knee [59], and (c) "blade runner" prostheses [60]. ... Medical treatments almost always assume application of a drug that must be delivered to a specific region of the body and at ... are among the most commonly implanted devices due to the continuous friction in the joints that leads to breakdown of cartilage ... Ongoing research is focused on integrating the three main elements of the bionic leg prosthetics: the artificial hip, the knee ...
Increasingly prostheses for hip replacement consist of metal,Global,Medical,Ceramics,Markets,2013:,Worldwide,Industry,Latest, ... 3.2.1 Total Hip and Joint Replacements 3.2.2 Ceramic composites as Artificial Joint Systems and Bioglass Implantable Components ... Increasingly, prostheses for hip replacement consist of metal ceramic composites. NanoMarkets also believes that bioceramics ... 3.3.1 Main Applications for Medical Ceramics in Dentistry 3.3.2 Eight-Year Forecast of Medical Ceramics in Dentistry by ...
The prosthesis is then cast of molten metal in the mold, and the mold material is broken away and cleaned off, e.g., by an etch ... The prosthesis may be cast in a mold having a complex surface interlock texture, and these molds may be mass produced by an ... In a preferred embodiment, edge features cast in the surface of a metal prosthesis include dovetail, undercut or skewed faces ... so that new bone growth spans the gaps and penetrates into the prosthesis over an extended surface textured region. ...
For joint prostheses - Search title: Total and partial joint arthroplasty: Search terms: Shoulder surgery[MeSH], Shoulder Joint ... Artificial[MeSH]; Pacemaker, Artificial[MeSH]; defibrillators, implantable[MeSH]; safe*[text word]; performance [text word]; ... shoulder OR hip OR Knee) adj2 replacement). [text word]; ((shoulder OR hip OR Knee) adj2 joint).[text word]; ((shoulder OR hip ... Through the application of search filters for study type (Systematic Reviews, Randomised Controlled Trials and Registry trials ...
150 Pages Report] Medical Grade Silicone Market research report categorizes the global market by Application (Pressure- ... Prosthetics is the creation and custom fitting of artificial limbs known as prostheses. Prostheses enhance the function and ... High growth in implantable device market Medical implants are artificial devices used to replace damaged or missing biological ... It helps in releasing the impact and force on the heels, joints, and back which helps to relieve pain and discomfort. Medical ...
The use of an implant of the kind described here at the femoral component of a hip joint prosthesis is shown in FIG. 4. . A ... Artificial bone connection prosthesis. US5358525 *. 28 Dec 1992. 25 Oct 1994. Fox John E. Bearing surface for prosthesis and ... The application of such a cap as a joint surface replacement is likewise actually a "resurfacing" in the manner explained in ... Surgically implantable knee prosthesis. US20040220582 *. 28 Dec 2001. 4 Nov 2004. Arnold Keller. Surgical instrument for ...
Surgical prosthesis for the temporomandibular joint. US3579643. 12. Dez. 1968. 25. Mai 1971. Morgan Douglas H. Artificial ... Prosthetic joint device. US4129470. 7. Juni 1976. 12. Dez. 1978. Homsy Charles A. Method of preparing a porous implantable ... Method and apparatus for monitoring blood flow to the hip joint. EP2007283A4 *. 27. M rz 2007. 17. Febr. 2010. Marc J Philippon ... This application is a continuation of application Ser. No. 08/547,510, filed Oct. 24, 1995, now U.S. Pat. No. 5,785,705 enitled ...
... prostheses; from Ancient Greek prosthesis, "addition, application, attachment")[1] or prosthetic implant[2][3] is an artificial ... "A novel concept for the manufacture of individual sapphire-metallic hip joint endoprostheses". Journal of Biological Physics ... No neurocognitive prostheses are currently available but the development of implantable neurocognitive brain-computer ... Limb prostheses include both upper- and lower-extremity prostheses. Upper-extremity prostheses are used at varying levels of ...
  • The material can be used in inner ear ossicles, ocular prostheses, electrical insulation for pacemakers, catheter orifices and in numerous prototypes of implantable systems such as cardiac pumps. (
  • Implantable cardiovascular devices-such as stents, coils, heart valves and pacemakers-are saving hundreds of thousands of lives every year. (
  • [ 1 ] It therefore is not surprising that immune response to medical implants is commonly reported in the literature, including hypersensitivity to pacemakers or other cardiovascular devices, dental implants, and orthopedic hardware (eg, joint replacement prostheses, fracture fixation devices, and pain-relief stimulators). (
  • Most bioengineered products like cardiac pacemakers and orthopedic artificial implants are also covered under bio-implants, since they are implanted entirely in the patient s body. (
  • An umbrella term for pacemakers and implantable cardioverter/defibrillators. (
  • A hinge joint for orthopedic knee braces that enable a wearer or medical professional to quickly and efficiently adjust the lateral corrective force placed on. (
  • They are used in various applications in the healthcare sector, such as dental, orthopedic, breast implants, optical (or ophthalmic), and cardiovascular devices. (
  • Artificial implants, including hip joints, shoulder joints, and knee joints are widely used in orthopedic surgery. (
  • Exponent's expertise covers technical issues from all major joint replacement interventions and orthopedic bone trauma. (
  • Biomaterials/cellular/tissue engineering involves the characterization and use of structural materials, derived from synthetic or natural sources, to design medical products that safely interact with tissues for therapeutic or diagnostic purposes such as artificial blood vessels, heart valves, orthopedic joints, and drug delivery vehicles. (
  • Based in Laguna Hills, CA, Insight Medical Systems is a medical device company with a focus on orthopedic surgical procedures including spinal fusion, joint replacement and ACL reconstruction. (
  • Older people are at greater risk of developing arthrosis which means that, given the current demographic trends, there are an increased number of people requiring artificial hip replacements. (
  • Lower-extremity prostheses provide replacements at varying levels of amputation. (
  • According to the CDC, during 2010 there were 332,000 in patient total hip replacements performed in the U.S. Indeed, hip replacement surgery today is widely recognized as one of the most successful surgical interventions ever developed. (
  • Joint replacements are commonly coated with bioceramic materials to reduce wear and inflammatory response. (
  • For example, replacement bones and joints, such as those found in hip replacements, could also be considered artificial organs. (
  • An implanted pump in the (groin) or (scrotum) can be manipulated by hand to fill these artificial cylinders, normally sized to be direct replacements for the natural corpora cavernosa, from an implanted reservoir in order to achieve an erection. (
  • 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]. (
  • Valve for a prosthesis socket, the socket delineating an open cavity to receive a stump of an amputated limb and delineating a pass-through hole opening into. (
  • Limb prostheses include both upper- and lower-extremity prostheses. (
  • A transradial prosthesis is an artificial limb that replaces an arm missing below the elbow. (
  • Upper limb prostheses can be categorized in three main categories: Passive devices, Body Powered devices, Externally Powered (myoelectric) devices. (
  • A transfemoral prosthesis is an artificial limb that replaces a leg missing above the knee. (
  • New plastics and other materials, such as carbon fiber have allowed artificial limbs to become stronger and lighter, limiting the amount of extra energy necessary to operate the limb. (
  • The abutment penetrates the residuum's skin and serves as the pylon connecting the residuum to the limb prosthesis. (
  • Lower limb prostheses that can generate net positive mechanical work may restore more ambulation modes to amputees. (
  • This study aimed to report (1) a flexible platform to implement and optimize neural control of powered lower limb prosthesis and (2) an experimental setup and protocol to evaluate neural prosthesis control on patients with lower limb amputations. (
  • The purpose of this study was two-fold: 1) demonstrate a technique that can be used to directly estimate the inertial properties of a below-knee prosthesis, and 2) contrast the effects of the proposed technique and that of using intact limb inertial properties on joint kinetic estimates during walking in unilateral, transtibial amputees. (
  • The socket connects your residual limb to the prosthesis and is the foundation Liner. (
  • Whether an amputation is above or below major joints, like the elbow or knee, makes a big difference in what type of prosthetic limb is required. (
  • An active Knee-Ankle-Foot Orthosis (KAFO) could represent an assistive tool for lower-limb amputees to reduce the additional metabolic effort resulting from compensatory strategies due to walking with a passive prosthesis. (
  • Improved instruments for modifying a shape of a proximal femur of a patient for installation of a stem of a femoral component of a prosthetic hip during hip replacement surgery, comprising a handle including an elongated shaft extending downward approximately in a z-direction, a first offset extending. (
  • a femoral head prosthesis having a ball at one end, said ball fitting in said cup. (
  • 2. The prosthesis of claim 1 wherein the concave surface of the metal cup has affixed to it a polymeric surface adapted to receive and coact with said femoral head. (
  • Sensors integrated in the ball of the hip joint, or femoral head, measure the extremely small vibrations in the prosthesis and transfer the data back to the microcontroller using RFID technology. (
  • If the hip prosthesis is too loose, the integrated actuators are activated in order to adjust its fit so that it is seated precisely on the femoral bone again. (
  • With this in mind, today we embark on the first of our Evolution of Technology series , taking a look at the innovation history of hip replacement surgery and technologies, from the first femoral head attachments fashioned from ivory to current technologies which may enable surgeons to conserve more natural bone than ever before through the use of synthetic cartilage. (
  • A stem with an artificial femoral head is inserted into the prebored and cleaned medullary canal of a tube bone, with or without cement, as schematically shown in Figure 1. (
  • With this ideology our research group has developed ceramic femoral head articulating against standard polyethylene of hip joint prosthesis. (
  • There are four artificial components that compose a total knee replacement implant: a tibial component, femoral component, patellar component, and a plastic spacer. (
  • most constrained prosthesis with linked femoral and tibial components (hinged) tibial bearing rotates around a yoke on the tibial platform (rotating hinge) decreases overall level of constraint. (
  • The research project "In vivo knee joint loading and kinematics - the interplay between movement and loading at the patello-femoral and tibio-femoral joints" aims to extend the understanding of the complex mechanical interactions in the knee joint by combining in vivo measurements with detailed computational modelling. (
  • From an engineering perspective, the design of implantable systems is constrained by a set of specific system requirements such as: a) biocompatibility, b) bio-resistance, c) small size, d) density matched to neural tissue, and e) minimal tethering to adjacent structures. (
  • Neural prostheses are a series of devices that can substitute a motor, sensory or cognitive modality that might have been damaged as a result of an injury or a disease. (
  • Neuroengineering, a subfield, involves using engineering technology to study the function of neural systems and the development of implantable technology for neuroprosthetic and rehabilitation applications. (
  • 5054 - Implantable neural probes are becoming widely used for the treatment of many conditions, such as Parkinson's disease and depression. (
  • 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. (
  • A bone prosthesis has a growth enhancement coating recessed in and protected by its surface topography. (
  • Artificial Cervical Intervertebral Discs (e.g. (
  • The M6-C is a next-generation artificial cervical disc developed to replace an intervertebral disc damaged by degeneration. (
  • The biological application, especially as a biocompatible coating, mainly includes the joint replacement implants and protective coatings and the ophthalmological prosthesis. (
  • NCD film has great potential of applications such as surface acoustic wave, microelectro mechanical systems (MEMS) and biomedical implants. (
  • Silicone Rubber Implants for Replacement of Arthritic or Destroyed Joints in the Hand" by A. Swanson, Surgical Clinics of North America, Vol. 48, No. 5, Oct. 1968, pp. 1113-1127. (
  • Figure 1.Map of the human body showing areas of typical artificial implants currently either already used or under development. (
  • Medical implants are artificial devices used to replace damaged or missing biological parts. (
  • Increase in demand for implants in different segments of the medical industry will boost the use of coatings in these applications. (
  • Intra-oral prostheses include dental prostheses such as dentures , obturators , and dental implants . (
  • This book presents a comprehensive, state-of-the-art review of the latest progresses in UHMWPE biomaterials, which has been critical for the performance and longevity of joint implants. (
  • These contributions provide fundamentals of chemistry and physics of UHMWPEs to help understand the clinical performances of UHMWPE based joint implants. (
  • Various degenerative diseases and injuries may require replacement of all or a portion of a hip or other joints using prosthetic implants constructed of metals, ceramics, plastics, or other synthetic materials. (
  • Proper shaping is critical for successful joint reconstruction and fixation of prosthetic implants. (
  • Orthopaedic researchers are extending the life of implants and developing innovative replacement therapies for aging hips, spines, shoulders, knees, or dental implants. (
  • Prominent biomedical engineering applications include the development of biocompatible prostheses , various diagnostic and therapeutic medical devices ranging from clinical equipment to micro-implants, common imaging equipment such as MRIs and EKG /ECGs, regenerative tissue growth, pharmaceutical drugs and therapeutic biologicals. (
  • The Bioceramics & Coating Division is a multidisciplinary research group whose mission is to develop materials, devices, implants and approaches for biomedical applications. (
  • Metallic and ceramic implants for finger joints, oncology and spine replacement. (
  • Bioactive, porous materials for orbital implants and wound dressing applications. (
  • Bio-implants can be defined as prostheses used to regularize physiological functions. (
  • This growth in aging population is expected to push the growth of the dental, reconstructive joint replacement, ophthalmic, and neuromodulation implants markets. (
  • Such functions may be relatively passive, like being used for a heart valve , or may be bioactive with a more interactive functionality such as hydroxy-apatite coated hip implants . (
  • Differential bacterial load on components of total knee prosthesis in patients with prosthetic joint infection Article in The International journal of artificial organs 35(10) · October 2012 with. (
  • The hip prosthesis being developed by Fraunhofer researchers as part of this lead project is equipped with electronic sensors and actuators that enable the physician to monitor the fit of the artificial hip joint and the bone ingrowth without further surgical intervention, and to readjust the position of the implant if necessary. (
  • Joint preparation for reconstruction and placement of a prosthetic implant typically requires re-shaping the joint by cutting, reaming, drilling, or other surgical procedures. (
  • Other commercial biomedical products developed by the division include bioglass coatings, bioactive ceramic scaffolds with controlled porosity characteristics, calcium phosphate granules (single and biphasic) for dental and orthopaedic applications and hydroxyapatite based integrated orbital implant. (
  • A ball and socket joint prosthesis for use in arthroplasty is provided. (
  • In this report, the global Artificial Cardiac Valves market is valued at USD XX million in 2016 and is expected to reach USD XX million by the end of 2022, growing at a CAGR of XX% between 2016 and 2022. (
  • Chapters include technological developments in cardiac imaging and imaging applications in a clinical setting with regard to detecting various types of heart disease. (
  • Research in bio mechanics helped in the development of artificial heart valves, artificial kidney, artificial hip, etc. (
  • Prostheses can roughly be categorized as upper- and lower-extremity and can take many shapes and sizes. (
  • When direct measurements of inertial properties of the prosthesis were used in inverse dynamics modeling of the lower extremity compared with inertial estimates based on an intact shank and foot, joint kinetics at the hip and knee were significantly lower during the swing phase of walking. (
  • To demonstrate the function of this platform, in this study the NMI based on neuromuscular-mechanical fusion was hierarchically integrated with intrinsic control of a prototypical transfemoral prosthesis. (
  • The miniaturization and development of biomedical implantable devices parallels development in science and engineering, more specifically in the fields of microelectronics and IC technologies, robotics, and power sources and energy harvesting. (
  • A possible strictly engineering classification of general biomedical devices in relation to the human body is: a) wearable devices, b) implantable devices, and c) ingestible devices [8]. (
  • Properties such as appearance and electrical insulation are also a concern for specific biomedical applications. (
  • Biomedical engineering ( BME ) or medical engineering is the application of engineering principles and design concepts to medicine and biology for healthcare purposes (e.g. diagnostic or therapeutic). (
  • Biomedical engineering (BME) is the application of engineering tools for solving problems in biology and medicine. (
  • Although the use of natural rubber can cause allergic reactions in some individuals, in general polymers can be "designed" according to the specific biomedical application and with special characteristics [1]. (
  • By definition, a biomaterial is "a material, synthetic or natural, used in a biomedical device designed to replace part of a living system or to function in intimate contact with the living body for an intended method of application and for an intended period" [3]. (
  • Figure 1 shows the division of the biocompatibility of the material by properties, and Table 1 shows the key properties of silicone rubber to be used in biomedical applications [8]. (
  • The Liquid Silicone Rubber (LSR) material used in biomedical applications must be able to be sterilized. (
  • The advantages of using medical grade Liquid Silicone Rubber in biomedical applications are it is easy to process and its stability in contact with tissues in living organisms. (
  • The division is among few forerunners in the country involved in developing materials and devices for biomedical applications. (
  • Other important materials for biomedical applications that are currently under development include ceramic composites, hard coatings, bioglass and nanopowder for drug delivery. (
  • They are often used and/or adapted for a medical application, and thus comprises whole or part of a living structure or biomedical device which performs, augments, or replaces a natural function. (
  • Mechanical Circulatory Devices (MCDs) such as artificial hearts, Ventricular Assist Devices (VADs) and other blood circulating systems have become increasingly recognized as life saving devices for patients whose heart is diseased or has been injured by trauma or heart attack or other causes. (
  • The invention relates to implantable articles and methods for manufacturing such articles. (
  • The present invention relates to implantable bone prostheses, and more particularly to bone prostheses which are structural in the sense that they are formed of a strong material which is attached to a bone in a way to replace or reinforce all or a portion of the natural bone. (
  • The invention provides a delivery system for a prosthesis, said delivery system comprising a catheter shaft with a distal end, a proximal end and a longitudinal. (
  • By the late 1700s, surgical procedures involving the upper femur and hip had progressed due to discoveries earlier in the century regarding the physiology of skeletal tissues. (
  • Hip arthroplasty, the surgical repair or replacement of the musculoskeletal joint at the hip, progressed through the early 1900s, although treatments would often produce widely varied results. (
  • Surgical guides for the cutting, reaming, and drilling steps can help surgeons properly and accurately prepare the joint. (
  • Surgical guides that are adapted to individual patient anatomy can be particularly valuable for effective joint reconstruction. (
  • Any artificial component requests a perfect-fit design, prototyping, testing and manufacturing process, and light fabric materials compatible with surgical procedures. (
  • 4866 - When a patient's medical condition necessitates the surgical replacement of the hip joint with an artificial prosthesis (reconstructive hip arthroplasty), pre-operative planning is vital in preparation. (
  • The present application claims the benefit of U.S. Provisional Patent Application No. 60/520,970 filed Nov. 18, 2003, which is hereby incorporated by reference in its entirety. (
  • This application claims the benefit of U.S. Provisional Application No. 61/484,066, filed May 9, 2011, which is hereby incorporated by reference herein in its entirety. (
  • No. 10/229,907 filed on Aug. 28, 2002 (which claims priority U.S. Provisional Patent Application Ser. (
  • Many recent advances in implantable devices not so long ago would have been strictly in the domain of science fiction. (
  • Rising awareness about social issues related to implantable devices requires further exploration. (
  • This expansion is helping in meeting the increasing demands for silicone in medical devices applications. (
  • Modern days of hip replacement surgery really date back to the 1960s, with the development of new devices that reduced the wear sustained by artificial hip joints over time, and which provided more predictable outcomes. (
  • Exponent conducts FE modeling to evaluate in situ stress states of implantable spinal devices and surrounding biological structures, and to explore natural and device associated spinal kinematics. (
  • As with all other electronics applications, simulation is a proven way to optimize implantable or standard personal diagnostic devices. (
  • The goal of this project is to uncover the principles behind the biomechanical design and neuromuscular control of human legs in a variety of gaits and to transfer these principles to the design and control of advanced powered leg prostheses and robotic rehabilitation devices. (
  • While pill-sized capsule endoscopes are increasingly used as wireless imaging devices for diagnosing diseases in the digestive tract, they are limited to sensing applications. (
  • Bioinstrumentation and medical devices is the application of electronics, measurement principles, and techniques to develop devices used in diagnosis and treatment of disease. (
  • devices for transfemoral amputees that require configuration of both a knee and an ankle joint are especially challenging. (
  • This approach and subsequent reduction in configuration time may help translate powered prostheses into a viable clinical option where amputees can more quickly appreciate the benefits such devices can provide. (
  • Bio Instrumentation is the application of electronics and measurement principles to develop devices and tools used in the diagnosis and treatment of disease. (
  • Search terms used were "orthotic devices" and "artificial limbs" for the period of July - August 2011. (
  • This paper is an attempt to review the structural characteristics, properties, growth techniques of MPCVD and biocompatible applications. (
  • Additionally, care should be exercised in defining a biomaterial as biocompatible , since it is application-specific. (
  • A biomaterial that is biocompatible or suitable for one application may not be biocompatible in another. (
  • However, the diamond film with grain sizes at microscale usually exhibits high surface roughness and hinders its applications in the microelectro mechanical system (MEMS) and biological field because it is difficult to be polished by mechanical and chemical methods. (
  • The unique properties of NCD film, such as the superior electrical, mechanical and biological properties facilitate their application in various fields. (
  • One of the goals of tissue engineering is to create artificial organs (via biological material) for patients that need organ transplants. (
  • It is an engineering discipline that is practiced by professionals trained primarily as engineers, but with a specialized focus on the medical and biological applications of classical engineering principles. (
  • We developed modified intrinsic control strategies--which mimic the behavior of biological joints, depend on instantaneous loads within the prosthesis, or set impedance based on values from previous states, as well as a set of starting configuration parameters. (
  • Bio mechanics deals with the application of mechanics to medical field to solve biological and medical problems. (
  • The labs house machines for mechanical testing of biological tissues or implantable materials as well as equipment for a wide range of biochemical/cell biology analysis. (
  • A prosthesis for replacement of a damaged joint or load-bearing structure in an animal or human body comprises a shaped structural member, a relatively thick or cushioning coating of a physiologically inert elastomer over the surfaces of the structural member in load-bearing relationship with the skeletal structure of the body, and an open-pore, tissue-ingrowth-receptive fabric coating the elastomer, all elements being firmly bonded to each other. (
  • No. 10/403,708, filed on Mar. 31, 2003 (Patent Application Publication No. US 2004/0193277 A1) (now U.S. Pat. (
  • At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. (
  • U.S. Patent No. 2,716,406 , titled Hip-Nail Driver for Angular Hip Nails , protects a driver for angular hip nails that allows for the better use of guide rods when setting nails to treat hip joint fractures. (
  • [0001] This patent application is a continuation-in-part of U.S. patent application Ser. (
  • The prosthesis includes a body for implantation at least partially within the medullary canal of a long bone. (
  • shoulder OR hip OR Knee) adj2 replacement). (
  • shoulder OR hip OR Knee) adj3 surger? (
  • The first research projects dealt with fixation strength of cemented artificial joints and a newly developed artificial shoulder joint. (
  • When applying for a grant to develop an instrumented shoulder joint, one reviewer suggested developing an instrumented hip joint instead. (
  • It is commonly used postoperatively for patients having total joint replacement or open reduction or internal fixation of the hip or shoulder. (
  • Also provided is a method of improving a patient's positioning during hip replacement surgery by using a variable configuration mattress for positioning the patient. (
  • A Note from Gene: Nearly two weeks ago, on Tuesday, April 8, 2014, I had a total right hip replacement. (
  • With this going on in my personal life I thought it would be interesting to take a look at the evolution of hip replacement technology through the lens of issued U.S. patents. (
  • Themistokles Gluck, circa 1901, performed the first documented hip replacement in 1891. (
  • Hip surgeries have been taking place for at least three hundreds years, and have progressed from rudimentary surgeries to the sophisticated total hip replacement (i.e., total hip arthroplasty or THA) surgeries that are so commonplace today. (
  • It wasn't until the late nineteenth century, however, that the first recorded hip replacement occurred in central Europe. (
  • In 1891, Themistocles Gluck invented an implantable hip replacement, a ball-and-socket joint fashioned of ivory and affixed with nickel-plated screws. (
  • Thus, hip replacement surgery has been performed in one manner or another for 123 years. (
  • Some ceramics also have excellent resistance to friction, making them useful as replacement materials for malfunctioning joints. (
  • In the 1960s, Sir John Charnley pioneered modern total hip replacement (THR) [16]. (
  • Although much is known about total joint replacement, research has had little success in elucidating the genesis of prosthetic stem loosening. (
  • The fit achieved using the precision instrumentation of either the UniCAP® or PF HemiCAP® system is a significant improvement over existing joint replacement products. (
  • Ceramics show numerous applications as biomaterials due to their physico-chemical properties. (
  • Biomaterials are also used every day in dental applications, surgery, and drug delivery. (
  • However, in the majority of existing below-knee prostheses, the prosthetic ankle joints are energy-passive, only storing and dissipating energy in use. (
  • The proposed project aims to develop a novel robotic actuator that can generate more power and store a larger amount of energy in a compact and light-weight robotic prosthesis, with the objective of significantly enhancing the health and life quality of the 400,000 trans-tibial (below-knee) amputees in the United States. (
  • Trans-tibial (Below-Knee) Prosthesis This pamphlet provides amputees with information generally provided to them orally by thetr prosthetist. (
  • To illustrate the current state-of-the-art, Figure 1 shows a map of the human body, pointing out some of the most common areas targeted by modern implantable technology, either already in the clinical use or still in the research stage. (
  • In the present study, we hypothesised that an algorithm including clinical and radiographic evaluation, as well as a computed tomography analysis with defined values, could be reliable for the preoperative diagnosis of knee prosthesis malrotation in order to advise our treatment. (
  • This PhD project will further develop the prototype by increasing the bioactivity and enhance the integration of the constituent material with the surrounding tissues, and will bring this technical solution towards clinical application. (
  • The overall objective of this PhD project to bring a promising electrospun scaffold for the repair of tendons and ligaments from the current state of technical development (between TRL3 and 4) towards clinical application. (
  • Clinical engineering is the application of technology for health care in hospitals. (
  • The phenomenal, interest, clinical application, improvement in dental, materials and biomechanical understanding by dental, scientists in this field led to carefully conduct controlled, and monitored clinical trials. (
  • In many embodiments, a stem of the prosthesis comprising the above elements is adapted to be inserted into a bone cavity, and is eventually affixed firmly thereto by fibrous tissue and bony ingrowth. (
  • However, all known approaches depend on the medullary canal's ability to act as a holding cavity for the prosthesis' shaft. (
  • But hip revision surgery is a complicated medical procedure and carries with it a high risk to the patient's health. (
  • The disclosure relates generally to instruments for conducting hip and other surgeries and, more particularly, instruments designed for a patient's specific anatomy. (
  • Beyond creation of customized facsimile models of a patient's anatomy, many companies are now using additive manufacturing technology to produce implantable components. (
  • A person's prosthesis should be designed and assembled according to the patient's appearance and functional needs. (
  • 5. The method in claim 4, further including the steps of preparing the bone graft in the medullary canal to receive a prosthesis and inserting a prosthesis into the prepared bone graft in the medullary canal. (
  • 8. The method in claim 4, further including the steps of shaping the bone graft in the medullary canal with a prosthesis or a trial prosthesis having a configuration similar to the prosthesis, and positioning the prosthesis into the shaped bone graft in the medullary canal. (
  • Extra-oral prostheses are further divided into hemifacial, auricular (ear), nasal, orbital and ocular . (
  • This report not only includes a granular forecast and analysis of the more established medical ceramics markets, but also gives a comprehensive analysis of medical nano-ceramics especially in terms of enhancing the healing properties of implantable materials. (
  • This report discusses the commercial aspects of all the current trends in medical ceramics and the numerous applications in which they can be used. (
  • The main objective of the study is to define, describe, and forecast the medical grade silicone market on the basis of product form and application. (
  • In 1975, Antonius Rohlmann and an assistant medical technician joined the team for a research project concerning hip prostheses. (
  • Special emphasis was placed on state-of-the-art technology and medical applications. (
  • The creation of artificial tissues can improve drug discovery and testing, leading to higher-quality medical care. (
  • As rapid manufacturing applications gain a foothold for consumer products-such as customized footwear or high-complexity lighting fixtures-there has been a quiet adoption of some of these technologies within the medical sector. (
  • In the prosthetics industry, a trans-radial prosthetic arm is often referred to as a "BE" or below elbow prosthesis. (
  • Figure 1: This implantable revision hip prosthesis has been produced using the electron beam melting manufacturing technique in eli-grade titanium alloy (Ti6Al4V-ELI). (
  • Within the CYBERLEGs project, a novel active KAFO was designed to assist the knee and the ankle joints during ground level walking. (
  • Aluminosilicates are commonly used in dental prostheses, pure or in ceramic-polymer composites. (
  • Ceramics and ceramic composites for hip and knee prosthesis. (
  • Also, the composites find use in other high strength, high compact applications such as sports equipment. (
  • Such bone prostheses also include entire joints or articulations or portions thereof, such as are customarily employed to replace or rebuild weakened, diseased or damaged hip joints, knee joints or the like. (
  • Calcium phosphate-based ceramics constitute, at present, the preferred bone substitute material in orthopaedic and maxillofacial applications, as they are similar to the main mineral phase of bone in structure and chemical composition. (
  • Certain embodiments are directed to a contact lens application/removal device comprising a plurality of removably interconnection components. (
  • This prosthesis employs more advanced and lighter-weight prosthetic components (feet, knees). (
  • 46 Encounter for surveillance of implantable subdermal contraceptive 992XX E/M based either on the key components or time spent counseling 25 Z30. (
  • This view has led to the emergence of alternative actuator concepts where the desirable properties of compliance are more obvious: passive elastic components, pneumatic valves and actuators, or even artificial muscle constructs have been employed. (
  • Develop new technologies that by leveraging on this mechanistic understanding pursue a wide spectrum of applications relevant to human health, including prevention, diagnosis, prognosis, treatment, and rehabilitation. (
  • The system includes a first attachment structure configured to be attached to a first member of the joint and a second attachment structure configured to be attached to a second member of the joint. (
  • In a preferred embodiment, edge features cast in the surface of a metal prosthesis include dovetail, undercut or skewed faces which firmly interlock with newly-growing bone to form a strong and shear-free, substantially rigid attachment. (
  • from Ancient Greek prósthesis , "addition, application, attachment" [ 1 ] ) is an artificial device that replaces a missing body part, which may be lost through trauma, disease, or congenital conditions. (
  • These projects include robots that help engineers and scientists better design prosthetic legs for amputees, miniature robot pills that help doctors diagnose and treat disease, and even microrobots that help researchers make artificial tissues. (
  • This project plans to develop and control 50 micron-size bubbles as a robotic platform that will be used for the assembly of artificial tissues. (
  • They are made up of biosynthetic materials like collagen, and tissue-engineered products like artificial skin or tissues. (
  • The microscopes also interface with sophisticated mechanical loading systems for tissues, individual living cells (micropipette aspiration) and artificial constructs. (
  • Their solution works by monitoring changes in the resonant frequency of the biomechanical system comprising hip prosthesis, ball and socket joint and femur. (
  • Its physiologic one-piece design features an artificial nucleus and annulus that mimic the biomechanical motion of a natural disc, to include axial compression or shock ab. (
  • The prosthesis includes a first body (22) having a first body articulating surface (24) defining a generally circular outer periphery (26) of the first body articulating surface. (
  • The prosthesis ( 20 ) also includes a second body ( 30 ) operably associated with the first body ( 22 ). (
  • Tubular prosthesis for deployment in a human body passageway comprises a tubular member adapted for placement in a passageway in a human body and a tube. (
  • Prostheses are intended to restore the normal functions of the missing body part. (
  • For instance, a person may need a transradial prosthesis, but need to choose between an aesthetic functional device, a myoelectric device, a body-powered device, or an activity specific device. (
  • New advances in artificial limbs include additional levels of integration with the human body. (
  • Electrodes can be placed into nervous tissue, and the body can be trained to control the prosthesis. (
  • An external support applied to vulnerable joints or other body parts to guard against injury. (
  • Aseptic lymphocyte-dominated vascular-associated lesions, an adverse localized body reaction from metal debris, most commonly associated with hip arthroplasties. (
  • Prosthesis, artificial substitute for a missing part of the body. (