Joint Prosthesis: Prostheses used to partially or totally replace a human or animal joint. (from UMDNS, 1999)Metal-on-Metal Joint Prostheses: Types of prosthetic joints in which both wear surfaces of the joint coupling are metallic.Prosthesis-Related Infections: Infections resulting from the implantation of prosthetic devices. The infections may be acquired from intraoperative contamination (early) or hematogenously acquired from other sites (late).Knee Prosthesis: Replacement for a knee joint.Arthroplasty, Replacement: Partial or total replacement of a joint.Prosthesis Failure: Malfunction of implantation shunts, valves, etc., and prosthesis loosening, migration, and breaking.Hip Prosthesis: Replacement for a hip joint.Prosthesis Design: The plan and delineation of prostheses in general or a specific prosthesis.Joints: 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.Prostheses and Implants: 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.Penile Prosthesis: 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.Heart Valve Prosthesis: A device that substitutes for a heart valve. It may be composed of biological material (BIOPROSTHESIS) and/or synthetic material.Knee Joint: A synovial hinge connection formed between the bones of the FEMUR; TIBIA; and PATELLA.Artificial Limbs: Prosthetic replacements for arms, legs, and parts thereof.Visual 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.Prosthesis Implantation: Surgical insertion of a prosthesis.Prosthesis Fitting: The fitting and adjusting of artificial parts of the body. (From Stedman's, 26th ed)Neural Prostheses: Medical devices which substitute for a nervous system function by electrically stimulating the nerves directly and monitoring the response to the electrical stimulation.Joint DiseasesOssicular Prosthesis: An implant used to replace one or more of the ear ossicles. They are usually made of plastic, Gelfoam, ceramic, or stainless steel.Dental Prosthesis: 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)Hip Joint: The joint that is formed by the articulation of the head of FEMUR and the ACETABULUM of the PELVIS.Finger Joint: The articulation between the head of one phalanx and the base of the one distal to it, in each finger.Dental Prosthesis, Implant-Supported: 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)Heart Valve Prosthesis Implantation: Surgical insertion of synthetic material to repair injured or diseased heart valves.Ankle Joint: 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.AmputeesBlood Vessel Prosthesis: Device constructed of either synthetic or biological material that is used for the repair of injured or diseased blood vessels.Maxillofacial Prosthesis: 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.Larynx, Artificial: 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.Eye, Artificial: 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)Penile Implantation: Surgical insertion of cylindric hydraulic devices for the treatment of organic ERECTILE DYSFUNCTION.Tarsal Joints: The articulations between the various TARSAL BONES. This does not include the ANKLE JOINT which consists of the articulations between the TIBIA; FIBULA; and TALUS.Wrist Joint: 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).Prosthesis Coloring: Coloring, shading, or tinting of prosthetic components, devices, and materials.Range of Motion, Articular: 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.Shoulder Joint: The articulation between the head of the HUMERUS and the glenoid cavity of the SCAPULA.Reoperation: A repeat operation for the same condition in the same patient due to disease progression or recurrence, or as followup to failed previous surgery.Joint Capsule: The sac enclosing a joint. It is composed of an outer fibrous articular capsule and an inner SYNOVIAL MEMBRANE.Joint Instability: 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.Arthroplasty, Replacement, Knee: Replacement of the knee joint.Dental Prosthesis Design: 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.Sacroiliac Joint: The immovable joint formed by the lateral surfaces of the SACRUM and ILIUM.Bioprosthesis: 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.Bone Cements: 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.Osteoarthritis: 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.Silicone Elastomers: 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.Arthroplasty, Replacement, Hip: Replacement of the hip joint.Biomechanical Phenomena: The properties, processes, and behavior of biological systems under the action of mechanical forces.Prosthesis Retention: Holding a PROSTHESIS in place.Jaw Cysts: Saccular lesions lined with epithelium and contained within pathologically formed cavities in the jaw; also nonepithelial cysts (pseudocysts) as they apply to the jaw, e.g., traumatic or solitary cyst, static bone cavity, and aneurysmal bone cyst. True jaw cysts are classified as odontogenic or nonodontogenic.Mandibular DiseasesPatents as Topic: Exclusive legal rights or privileges applied to inventions, plants, etc.

Mechanical considerations in impaction bone grafting. (1/469)

In impaction grafting of contained bone defects after revision joint arthroplasty the graft behaves as a friable aggregate and its resistance to complex forces depends on grading, normal load and compaction. Bone mills in current use produce a distribution of particle sizes more uniform than is desirable for maximising resistance to shear stresses. We have performed experiments in vitro using morsellised allograft bone from the femoral head which have shown that its mechanical properties improve with increasing normal load and with increasing shear strains (strain hardening). The mechanical strength also increases with increasing compaction energy, and with the addition of bioglass particles to make good the deficiency in small and very small fragments. Donor femoral heads may be milled while frozen without affecting the profile of the particle size. Osteoporotic femoral heads provide a similar grading of sizes, although fewer particles are obtained from each specimen. Our findings have implications for current practice and for the future development of materials and techniques.  (+info)

Total joint replacement: implication of cancelled operations for hospital costs and waiting list management. (2/469)

OBJECTIVE: To identify aspects of provision of total joint replacements which could be improved. DESIGN: 10 month prospective study of hospital admissions and hospital costs for patients whose total joint replacement was cancelled. SETTING: Information and Waiting List Unit, Musgrave Park Regional Orthopaedic Service, Belfast. PATIENTS: 284 consecutive patients called for admission for total joint replacement. MAIN MEASURES: Costs of cancellation of operation after admission in terms of hotel and opportunity costs. RESULTS: 28(10%) planned operations were cancelled, 27 of which were avoidable cancellations. Five replacement patients were substituted on the theatre list, leaving 22(8%) of 232 operating theatre opportunities unused. Patients seen at assessment clinics within two months before admission had a significantly higher operation rate than those admitted from a routine waiting list (224/232(97%) v 32/52(62%), x2 = 58.6, df = 1; p < 0.005). Mean duration of hospital stay in 28 patients with cancelled operations was 1.92 days. Operating theatre opportunity costs were 73% of the total costs of cancelled total joint replacements. CONCLUSION: Patients on long waiting lists for surgery should be reassessed before admission to avoid wasting theatre opportunities, whose cost is the largest component of the total costs of cancelled operations.  (+info)

Extensible endoprostheses of the humerus after resection of bone tumours. (3/469)

We carried out extensible endoprosthetic replacement of the proximal or total humerus in 18 children aged between six and 12 years, after resection of primary bone tumours mainly for osteosarcoma and Ewing's sarcoma. In 11 patients we performed 44 lengthening procedures, with an average of two per child annually and a mean total extension of 29.9 mm per patient. We were able to achieve lengthening of the operated limb with few complications and a mean functional rating of 79.3% according to the Enneking system. Progressive lengthening of these prostheses does not adversely affect the overall function of the arm, and superior subluxation of the head of the prosthesis has not been a problem.  (+info)

Screening for Staphylococcus epidermidis markers discriminating between skin-flora strains and those responsible for infections of joint prostheses. (4/469)

Fifty-four Staphylococcus epidermidis strains responsible for infections of joint prostheses and 23 strains isolated from skin flora were studied for markers of virulence, to discriminate invasive strains from normal flora. They were screened for binding to polystyrene and matrix proteins and for the presence of staphylococcal genes involved in adhesion. The ica operon involved in biofilm formation was the only marker discriminating between these 2 categories of strains.  (+info)

Silicone lymphadenopathy mimicking a lymphoma in a patient with a metatarsophalangeal joint prosthesis. (5/469)

With lymph node enlargement, the possibility of a malignant process such as metastatic carcinoma or lymphoma needs to be excluded. This report describes a 47 year old woman with inguinal lymph node enlargement initially suspicious for lymphoma. Fine needle aspiration findings favoured reactive hyperplasia, but a malignant process could not be excluded. The final histological diagnosis was a foreign body granulomatous inflammatory response as a result of regionally disseminated silicone particles from an over looked metatarsophalangeal joint prosthesis. Because of the large number of joint prostheses world wide, it should be kept in mind that migration of wear particles can create granulomatous inflammation and node enlargement.  (+info)

The management of local complications of total hip replacement by the McKee-Farrar technique. (6/469)

One thousand and forty-two McKee-Farrar prostheses of the present design inserted in Norwich from January 1965 to December 1972 have been reviewed retrospectively to determine the incidence of complications needing revision. Of prostheses implanted for more than two years, 6-6 per cent needed revision for loosening (cup 3-5 per cent; stem 2-2 per cent; both components 0-9 per cent). Of the total number, 2-3 per cent became infected and 1-9 per cent dislocated. Most dislocations needed only a single closed reduction but 0-8 per cent were revised. The outcome of revision operations was also assessed. Of revisions for loosening, 40 per cent needed no further operation but 23 per cent required excision; pelvic fracture or bone destruction around the components made success unlikely. Revisions for dislocation were disappointing. Of all revisions 17 per cent became infected. Excision arthroplasty is better than a series of failed revisions in an elderly patient.  (+info)

The Walldius hinge arthroplasty. (7/469)

Eighty-three Walldius arthroplasties, performed by one surgeon as salvage operation on the knee joint between 1966 and 1972, were independently reviewed. The fifty-seven living patients with sixty-seven arthroplasties were interviewed and examined and the clinical records of the deceased patients were inspected. Sixty-seven arthroplasties (81 per cent) were successful and sixteen failed (19 per cent). Acrylic cement was used to secure the prosthesis on eight occasions only. There were two primary infections (2-4 per cent) and two delayed (2-4 per cent). Major loosening occurred in three arthroplasties (3-6 per cent). Minor loosening was compatible with a good result. Arthrodesis was successful on the two occasions on which it became necessary to remove the implant. There were no disasters. On the basis of these results it is considered that the Walldius arthroplasty can justifiably be offered as an alternative to primary arthrodesis of the knee.  (+info)

Link arthroplasty of the metacarpo-phalangeal joints. A preliminary report of a new method. (8/469)

Link arthroplasty is a system of joint replacement in which the joint is left almost intact with no great removal of bone. It is based on a two-piece self-locking hinge slotted into the metacarpal head and phalangeal shaft. The operation is simple and no special instruments are needed. The preliminary follow-up of fifty-four metacarpo-phalangeal joint replacements showed thirty-five good and sixteen fair results.  (+info)

  • A disadvantage of this known prosthesis is that the entire spherical part, as well as a part of the neck of the femur, must be removed. (
  • Prostheses are already known which use a calotte-shaped cap as a substitute for the spherical part of the femur. (
  • In order to make sure that such a cap-shaped prosthesis fits firmly on the femur, it must be secured with a binder, the so-called cement. (
  • This specification covers the design and dimensional requirements for metallic, ceramic, and polymeric mating bearing surfaces used in total hip joint prostheses and hip endoprostheses, more specifically, hip joint replacements of the ball-and-socket configuration. (
  • The inventive prosthesis yields a possibly uniform distribution of the forces transmitted between the prosthesis and the bone, even in the transmission of forces with a component extending transverse to the rotational symmetry axis of the outer cap surface. (
  • The inner surface of the prosthesis is provided with grooves and ribs which are evenly distributed over the circumference of the inner surface and extend along planes which, in turn, extend through the rotational symmetry axis of the outer cap surface. (
  • Each stem has a base adapted for insertion into a medullary canal of a bone of the joint. (
  • The metal prosthetic device in knee joint replacement surgery replaces cartilage and bone which is damaged from disease or aging. (
  • 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. (
  • 4. The prosthesis of claim 3 wherein said metal cup has a radial flange extending around said cup, for securing pins for temporary anchoring to bone structure. (
  • Bone Joint J . 2018 Jan;100-B(1):101-108. (
  • Bone Joint J . 2018 Jan;100-B(1 Supple A):50-54. (
  • Useful information can be inferred from estimates of the stress acting onto the bone-prosthesis system of the knee joint. (
  • We present a compound system for pre-operative surgical planning based on structural simulation of the bone-prosthesis system, exploiting patient-specific data. (
  • (
  • This causes local inflammation that destroys the bone and loosens the prosthesis, a condition called osteolysis . (
  • Thought you might appreciate this item(s) I saw at Lippincott's Bone and Joint Newsletter. (
  • Lippincott's Bone and Joint Newsletter is an independent publication solely owned and published by Lippincott Williams & Wilkins and has no affiliation with the Journal of Bone & Joint Surgery . (
  • Lippincott's Bone and Joint Newsletter20(4):37-40, April 2014. (
  • J Bone Joint Surg (Br). (
  • The prosthesis components can be anchored in the bone using orthopedic cement (e.g., epoxy) or integrated into the bone using mesh. (
  • The ribbing of the inner cap surface and the sleeve permit the prosthesis to be firmly and durably secured in an operation on the bone without cement. (
  • Another disadvantage of this prosthesis is that the thorn has a much greater bending resistance than the bone part into which it protrudes. (
  • The loosening of the prostheses is presumably caused, at least partly, by an unfavorable action of the cement on the spongiosa of the bone. (
  • An object of the invention is to provide a prosthesis for a universal joint with a calotte-shaped cap which can be secured on a bone firmly and durably without cement. (
  • The inventive prosthesis yields a possibly uniform distribution of the forces transmitted between the prosthesis and the bone, even in the transmission of forces with a component extending transverse to the rotational symmetry axis of the outer cap surface. (
  • An artificial replacement of the jaw bone is called a maxillofacial prosthesis. (
  • 2. The invention of claim 1 wherein the body is provided with a collar to engage a resected portion of said bone to assist in stabilizing said prosthesis relative to said bone. (
  • 7. The invention of claim 1 in which at least one of said two bodies is at least partially covered with a porous metal coating to promote bone ingrowth to assist in stabilizing said prosthesis in said bone. (
  • Dedicated wrist joint prostheses intended to replace only the carpal lunate, scaphoid, or trapezium bone are also available. (
  • Thompson Prosthesis provide possibility if use with/without bone cements and are especially preferred to be used on older patients with comorbidities, who have poor mental function, who are dependent preoperative mobility. (
  • On the market and in clinical use there are at present a large number of knee-joint prosthesis intended for permanent anchoring in the bone tissue. (
  • As regards previously known knee-joint replacements, none can be said to represent a definitive solution with respect to anchoring in the bone tissue, wear-resistance, joint stabilization or material strength. (
  • It is nowadays agreed that an as exact as possible contact fitting should be created between prosthesis component and bone tissue, regardless of whether the contact is established via a filling material or not. (
  • On account of observed and suspected complications secondary to the use of bone cement as filling material, for a good ten years laboratory work has been carried out on a number of prosthesis types which are anchored cement-free. (
  • The idea was to create a positive lock by using a more or less exact operative technique to adapt the contours of the bone ends, so that a good fit is obtained between the prosthesis components and the bone end. (
  • The positive lock which has been sought between non-cemented prosthesis and bone has been present on the microplane and macroplane in different prosthesis designs. (
  • The operative technique offered possibilities of guiding the cutting instruments in such a way that, on the one hand, it was possible to position the prosthesis exactly in relation to the mechanical axis of the knee-joint and, on the other hand, a bone-end contour was obtained which matched the smooth inner contour of the prosthesis. (
  • In a number of other prosthesis systems this principle has been used for macro-locking, but, in addition, a positive locking on the microplane has been sought by means of that surface of the prosthesis facing the bone tissue having a porous structure with opportunities for tissue to grow in. (
  • the prostheses may be intended for use either with bone cement or without (with mechanical attachments to hold the prostheses in place until bone grows) or using a combination of both technologies. (
  • 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. (
  • Teijin Nakashima Medical's joint prostheses come in various sizes suited for Japanese and Asian people, and can be selected according to a patient's bone configuration. (
  • Sized to the patient, knee prostheses are attached to exposed area of the bone. (
  • Effect of sliding-taper compared with composite-beam cemented femoral prosthesis loading regime on proximal femoral bone remodeling: a randomized clinical trial. (
  • BACKGROUND: This two-year randomized clinical trial was performed to examine whether the geometry of the cemented femoral prosthesis affects the pattern of strain-adaptive bone remodeling in the proximal aspect of the femur after primary total hip arthroplasty. (
  • Decreases in femoral bone mineral density were observed over the first year for all prosthesis designs, with no further loss during the second year. (
  • CONCLUSIONS: Differences in the mechanism of load transfer between the prosthesis and host bone in composite-beam or sliding-taper cemented femoral prosthesis designs were not a major determinant of proximal femoral bone loss after total hip arthroplasty, and the design that included a third taper exhibited a remodeling profile that was similar to those of the double-tapered design. (
  • The Journal of bone and joint surgery. (
  • Fixation is effected by the entire wing of an iliac bone ensuring safe stabilization, biochemically favorable orientation of colyloid cavity prosthesis into a hipbone and eliminating aseptic prosthesis unstability danger. (
  • Hipbone proximal end prosthesis is fixed into the bone by means of distance pieces secure constant strictly graduated compression on prosthesis-bone joint out of dependence on implantation period, all these factors decrease considerably aseptic unstability damage and ensure necessary adaptation of the prosthesis crus to the "alive" bone. (
  • Before pelvus component prosthesis installation you are not required to restore colyloid cavity shape by using cement filling, bone plastic materials and the like. (
  • Acoustic power attenuation through the prosthesis was considerably lower than that reported to occur through the native cranial bone. (
  • The shoulder is a ball-and-socket joint: The ball, or head, of your upper arm bone fits into a shallow socket in your shoulder blade. (
  • Because bone cells die without a blood supply, osteonecrosis can ultimately cause destruction of the shoulder joint and lead to arthritis. (
  • J Bone Joint Surg Am. 2012 Jul 3;94(13):1194-200. (
  • He also introduced new techniques for the hip revision replacement by using the trabecular metal for managing the large bone defects and was selected from amongst India's joint replacement and resurfacing surgeons to give lecture on the same to an audience of North American Doctors at a Symposium organized by CII. (
  • It is generally caused by wear to the joint cartilage, and subsequent damage to the surrounding bone structure, muscles, joint capsules and ligaments. (
  • 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. (
  • Conventional prosthetic hip joints have a tendency to work loose because they are unable to adapt to changes in the bone structure. (
  • 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. (
  • 34) Therefore, it may be desirable to use the least invasive prosthesis that preserves bone. (
  • TMJ prosthesis is a two-component replacement device composed of a condyle, placed t mandible extremities, and a glenoid fossa, localized in temporal bone and these are fixed to healthy bone by screw. (
  • The performance of the subject supports the feasibility for BCI control of a lower extremity prosthesis using surface scalp EEG electrodes. (
  • A modular joint prosthesis is intended for implantation in a patient. (
  • According to an exemplary embodiment, the modular joint prosthesis includes a head and a stem coupled to the head. (
  • 10. The kit of claim 1 further comprising at least two collars, with each collar configured for positioning between one of the at least two bodies and one of the at least two head members so that the collar can increase stability of the assembled modular joint prosthesis. (
  • Main outcome measures Kaplan-Meier failure function for hip prosthesis constructs. (
  • Debridement and retention of the prosthesis was the initial treatment modality in 30 patients with 33 Staphylococcus aureus prosthetic joint infections (PJIs) who presented to the Mayo Clinic between 1980 and 1991. (
  • The present invention relates to prosthetic joint devices and, more particularly, to a joint prosthesis having an infinitely variable head. (
  • Hip Replacement Prostheses Used Despite Lack of Clinical Evi. (
  • Addressing these problems, the above study compared the middle ear transfer functions of flexible and regular rigid titanium ossicular replacement prostheses in temporal bones at applied quasi-static pressure. (
  • A laboratory study has been made of the lubrication and friction characteristics of a plastic on metal (Charnley-Muller) and a metal on metal (McKee-Farrar) total hip joint replacement prostheses. (
  • Our prosthesis allows to obtain a full-fledged medical rehabilitation for a large contingent of patients thereof full endoprosthetics by known prosthesis is impossible due to its technical difficulties. (
  • A total prothesis for the metacarpo-phalangeal joint which includes a first element for anchoring in the phalangeal diaphysis having a tapering head provided with at least two articular surfaces of concave profile and a second element for anchoring in the metacarpo diaphysis having a head including at least two separate articular surfaces. (
  • Moriatis Wolf J, Turkiewicz A, Atroshi I, Englund M. Prevalence of doctor-diagnosed thumb carpometacarpal joint osteoarthritis: an analysis of Swedish health care. (
  • Perez-Ubeda M, Garcia-Lopez A, Marco Martinez F, Junyent Vilanova E, Molina Martos M, Lopez-Duran Stern L. Results of the cemented SR trapeziometacarpal prosthesis in the treatment of thumb carpometacarpal osteoarthritis. (
  • The target population of the study is the one affected with primitive hip osteoarthritis for which an indication of prosthesis of total hip has been chosen Expected Result: Simplification of the procedure of navigation of the cup. (
  • Knee osteoarthritis can progress so far that therapy is not able to alleviate the symptoms (e.g. pain) and that a joint replacement is the only solution. (
  • Pain caused by osteoarthritis can lead to relieving postures, subsequently causing excessive strain on the joints and other body structures or leading to secondary disorders or secondary osteoarthritis. (
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