• The patient's original hip replacement had been done in 2006 with an ASR (articular surface replacement) hip prosthesis (ASR XL Acetabular Hip System [DePuy Orthopaedics, Warsaw, Ind, USA]), comprising a large-diameter metal (cobalt and chromium) cup with a large modular metal head on a titanium Corail stem ( Box ). (mja.com.au)
  • The Gruen zones is a system of dividing the interface between the bone and the stem of the hip prosthesis. (wikipedia.org)
  • and a series of head units having variable neck lengths so that anatomically correct positioning of the head of the prosthesis may be obtained with varying depths of implantation of the stem, and normal anatomical variations. (google.com)
  • 2. A set of hip prosthesis femoral assemblies as defined in claim 1 wherein each said prosthesis is provided with a reduced diameter neck between said femoral head unit and said proximal end of said tapered stem. (google.com)
  • 4. A set of hip prosthesis femoral assemblies as defined in claim 1 wherein each said stem is tapered approximately five degrees in said medial/lateral plane and approximately 2 to 3 degrees in an anterior/posterior plane. (google.com)
  • 5. A set of hip prosthesis femoral assemblies as defined in claim 1 wherein each said stem is smoothly tapered throughout a length thereof and has a substantially greater cross-sectional dimension in said medial/lateral plane than in said anterior posterior plane, particularly in an upper portion of said stem. (google.com)
  • 6. A set of hip prosthesis femoral assemblies as defined in claim 1 wherein each said stem has a length from a point which is intended to be adjacent said proximal end of said intramedullary canal to said distal end of said stem which is greater than four and one-half inches. (google.com)
  • Implants and methods are presented for surgically repairing a hip joint with a proximal femoral prosthesis that comprises femoral head component and a femoral stem component. (google.com)
  • 2. A prosthesis as is claim 1 , wherein the elongated stem portion comprises a uniform envelope with a substantially constant cross-sectional peripheral shape and size. (google.com)
  • 3. A prosthesis as in claim 1 , wherein the elongated stem portion comprises a proximal section having a cross sectional shape that is substantially consistent along a longitudinal length of the proximal section, wherein a minimum displacement between the bottom surface of the flange and the proximal section, measured normal to the bottom surface, is less than thirteen millimeters. (google.com)
  • 6. A prosthesis as in claim 5 , wherein the rotation restricting boss has an axis of protrusion with a boss axis origin near the bottom surface of the flange, the elongated stem also has a stem axis origin near the bottom of the flange, the boss axis origin and the stem axis origin are spaced apart by a length more than the maximum cross-section of the elongated stem portion. (google.com)
  • 10. A prosthesis as in claim 1 , wherein the elongated stem portion has a distal section with multiple longitudinal flutes, wherein the longitudinal flutes are aligned approximately parallel to the longitudinal axis. (google.com)
  • This invention relates to a hip joint prosthesis having an improved femoral fixation stem. (google.com)
  • The prosthesis has a stem that extends downward to a distal end. (google.ca)
  • 4. The prosthesis according to claim 9, wherein the stem has a stem length from the lower end of the distal section to the shoulder on the proximal section, measured along the stem axis, and a flexible section length of the flexible section, measured along the stem axis, the flexible section length being at least two-thirds the stem length. (google.ca)
  • A modular femoral prosthesis for use during performance of a hip revision procedure includes a proximal body component, a distal stem component, and a locking bolt. (patents.com)
  • Liberation of metallic debris by fretting and corrosion at the taper junction between the large head and the taper of the stem - totally unforeseen by the bioengineers - emerged as a real problem in these hips. (scielo.org.za)
  • Fatigue behavior of titanium femoral hip prosthesis with proximal sleeve-stem modularity. (semanticscholar.org)
  • A modified S-ROM stem in primary total hip arthroplasty for developmental dysplasia of the hip. (semanticscholar.org)
  • After resection of a tumor around the hip, total hip replacement by a special long-stem and usually custommade endoprosthesis was started in the late 1960s and was developed further after 1970. (springer.com)
  • The Exeter hip stem was developed in the United Kingdom during the same time as the Charnley device. (wikipedia.org)
  • The Exeter Hip is a cemented device, but with a slightly different stem geometry. (wikipedia.org)
  • Becoming a consultant in orthopaedic surgery in Exeter, he performed the first 'Exeter-stem' hip replacement in 1970. (wikipedia.org)
  • His research and observations on the initial operations have resulted in the Exeter hip stem changing from a shiny stem, to matte stem and then back to shiny, with a further change to modular design and being the most popular hip implant in the United Kingdom. (wikipedia.org)
  • The stem of the Exeter hip was a distinct, polished, tapered and cemented part unlike any former hip prosthesis. (wikipedia.org)
  • It was deliberately not bonded, and therefore free to move at the stem-cement border, and consequently behaved as a self-locking point, successfully and persistently tightening step by step during the life of the hip. (wikipedia.org)
  • SCP's main product is the Unique stem for hip replacement, but they also design and sell other products such as individually designed tumour prostheses, condyles for attachment of external prostheses, and implants for shortening or rotation osteotomies. (wikipedia.org)
  • A 73-year-old woman presented to our orthopaedic clinic in February 2011 for follow-up of a right total hip replacement that had been performed 5 years previously because of osteoarthritis. (mja.com.au)
  • Deals in Ophthalmic Crescent Knives and Blades, bipolar hip prosthesis, Orthopaedic Lateral Tibial Plate, Orthopedic Semi Tubular Plate, Orthopedic Enders Nail, maxillofacial implants, Orthopedic Titanium Reduction Screw, Orthopedic Implants One Third Tubular Plate 3.5mm, Orthopedic Implants Interlocking Bolt 3.9mm. (indianyellowpages.com)
  • Such joint replacement orthopaedic surgery is generally conducted to relieve arthritis pain or in some hip fractures. (wikipedia.org)
  • Hip replacement is currently the most common orthopaedic operation, though patient satisfaction short- and long-term varies widely. (wikipedia.org)
  • As an orthopaedic surgeon at the Princess Elizabeth orthopaedic hospital, Exeter, he co-operated with an engineer, Dr. Clive Lee from the University of Exeter, to develop a new hip replacement. (wikipedia.org)
  • In 1963, Ling became a consultant at the Princess Elizabeth Orthopaedic Hospital in Exeter, where he became interested in hip replacement. (wikipedia.org)
  • Scandinavian Customized Prosthesis (SCP) is a medical technology company developing and supplying orthopaedic implants. (wikipedia.org)
  • Currently, total hip replacement after tumor resection has become a reliable procedure and gives better results than does replacement of other joints. (springer.com)
  • Hip replacement is widely used to treat pain associated with diseased or damaged joints. (biomedcentral.com)
  • The hip joints are the most important part in retaining balance. (wikipedia.org)
  • Implementing a prosthetic leg requires the user to mechanically control the behaviors of the prosthetic knee and ankle joints through gross adjustments of the hip, rather than the finer and more precise movements of the missing joints. (wikipedia.org)
  • Before microprocessor-controlled prosthetic joints, the major findings were that the most noticeable movements could be seen in the shoulders, not the hips, and all subjects had uneven pelvic rotations, with more rotation on the prosthetic side. (wikipedia.org)
  • 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. (google.es)
  • Modular hip prostheses are increasing in variety and utilization. (semanticscholar.org)
  • The purpose of this study was to characterize the fatigue response and evaluate the in vitro potential for component motion and wear of the S-ROM¿, a Ti-6Al-4V hip prothesis with a modular design based on a Morse taper connection. (semanticscholar.org)
  • Retrieval analysis and in vitro assessment of strength, durability, and distraction of a modular total hip replacement. (semanticscholar.org)
  • Matejovsky Z (1973) Results of arthroplasty in tumors affecting the hip. (springer.com)
  • In: Chapchal G (ed) Arthroplasty of the hip. (springer.com)
  • Johnsson R, Carlsson A, Kisch K, Moritz U, Zetterström R, Persson BM (1985) Function following mega total hip arthroplasty compared with conventional total hip arthroplasty and healthy matched controls. (springer.com)
  • A total hip replacement (total hip arthroplasty) consists of replacing both the acetabulum and the femoral head while hemiarthroplasty generally only replaces the femoral head. (wikipedia.org)
  • Total Hip Arthroplasty with the Charnley Prosthesis in Patients Fifty-five Years Old and Less. (wikipedia.org)
  • Total hip prosthesis is an operation to replace only both hip joint surfaces. (serf.fr)
  • Total hip replacement is most commonly used to treat joint failure caused by osteoarthritis. (wikipedia.org)
  • In this procedure the 'ball' part of the hip joint (femoral head) and a portion of its neck are removed and the 'socket' part (acetabulum) is grated in preparation. (wikipedia.org)
  • In a condition called osteonecrosis, in which the ball part of the hip joint suffers a loss of blood supply and becomes non-viable, the results of hip resurfacing are not good (less than 90% success 10 years after their operation). (wikipedia.org)
  • Bacteria can enter the joint directly from prior surgery, intraarticular injection, trauma, or joint prosthesis. (wikipedia.org)
  • Age over 80 years Diabetes mellitus Osteoarthritis Rheumatoid arthritis Immunosuppressive medication Intravenous drug abuse Recent joint surgery Hip or knee prosthesis and skin infection HIV infection Other causes of sepsis Having more than one risk factor greatly increases risk of septic arthritis. (wikipedia.org)
  • In vertebrate anatomy, hip (or "coxa" in medical terminology) refers to either an anatomical region or a joint. (wikipedia.org)
  • The hip joint, scientifically referred to as the acetabulofemoral joint (art. (wikipedia.org)
  • Changes in CCD angle is the result of changes in the stress patterns applied to the hip joint. (wikipedia.org)
  • 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. (wikipedia.org)
  • The use of a metal socket as well as a metallic male head prosthesis is intended to eliminate pain, wandering of a ball in the acetabulum and to diminish motion of the hip. (google.com)
  • impacting the acetabular component of the prosthesis in the cavity of the pelvis in the preferential position. (google.es)
  • between 100 and 300 µm is size, with good packing and flow characteristics, making the powder ideal for high quality, near net shapes produced by HIP, such as aviation parts and porous coatings on hip prostheses. (wikipedia.org)
  • Rotation of the pelvis is especially essential in transfemoral amputees for lifting the prosthesis and providing foot clearance. (wikipedia.org)
  • K. Yamada and G. Pezzotti, "Environmental Phase Stability of Ceramics Composite for Hip Prostheses in Presence of Surface Damage", Key Engineering Materials, Vols. (scientific.net)
  • Stability and range of motion of Insall-Burstein condylar prostheses. (wikipedia.org)
  • A neck member is provided to attach the head member to the body member to form an assembled prosthesis. (google.es)
  • Extra-oral prostheses are further divided into hemifacial, auricular (ear), nasal, orbital and ocular. (wikipedia.org)
  • Initial hip designs were made of a one-piece femoral component and a one-piece acetabular component. (wikipedia.org)
  • Before his hip replacement surgery, the patient had been working full time and enjoyed excellent general health, apart from pain and stiffness in his right hip secondary to osteoarthritis. (mja.com.au)
  • Postoperative controls after hip replacement surgery is routinely done by projectional radiography in anteroposterior and lateral views. (wikipedia.org)
  • Hip navigation based on preoperative EOS(TM) imaging could help to improve the accuracy of cup positioning like other computer assisted hip surgery, but it would also simplify the procedure in lateral decubitus. (clinicaltrials.gov)
  • Hip replacement surgery can be performed as a total replacement or a hemi (half) replacement. (wikipedia.org)
  • Both patients were treated for osteoarthritis with a DePuy ASR (articular surface replacement) XL Acetabular Hip System prosthesis, which contains cobalt and chromium, and which has recently been recalled from the market. (mja.com.au)
  • A revision total hip replacement was performed in March 2011, principally because of her systemic symptoms and elevated cobalt and chromium levels. (mja.com.au)
  • Systemic cobalt toxicity from total hip arthroplasties: review of a rare condition Part 2. (wikipedia.org)
  • This episode was cited in the medical journal The Lancet as helping doctors in Germany diagnose a case of cobalt poisoning from a hip prosthesis because they use House for teaching medical students. (wikipedia.org)
  • Hot isostatic pressing (HIP) can further increase the density of these parts and produce components more economically than cast or wrought parts, but the porosity present in the material degrades fatigue and fracture properties. (wikipedia.org)
  • A 60-year-old male professor of engineering presented in January 2011 with systemic symptoms, for follow-up after a right total hip replacement with a DePuy ASR XL Acetabular Hip System prosthesis 4 years previously. (mja.com.au)
  • Hip replacement is performed in supine side position. (clinicaltrials.gov)
  • The immediate results of total hip replacement after tumor resection may be excellent or good in most patients. (springer.com)
  • Matejovsky Z (1983) Hip and knee replacement after tumor resection in Czechoslovakia. (springer.com)
  • Sim FH, Chao EYS (1983) Segmental prosthetic replacement of the hip and knee. (springer.com)
  • 1. Introduction The analysis and design of internal prostheses for human hip replacement is a completely current topic of research over the world. (witpress.com)
  • Hip Replacement Prostheses Used Despite Lack of Clinical Evi. (lww.com)
  • The average cost of a total hip replacement in 2012 was $40,364 in the United States, and about $7,700 to $12,000 in most European countries. (wikipedia.org)
  • Hip replacement is usually considered only after other therapies, such as physical therapy and pain medications, have failed. (wikipedia.org)
  • Robin Sydney Mackwood Ling, OBE (7 September 1927 - 9 October 2017) was an English surgeon who invented the Exeter hip system, a hip replacement. (wikipedia.org)
  • Unlike previous designs, this hip replacement was inserted through the posterior approach and required just one assistant. (wikipedia.org)
  • Ling, as well as Charnley before him, had in the 1980s, made provisional recommendations for a hip replacement registry, opposed by the department of health but later supported by the National Audit Office (United Kingdom) and NICE. (wikipedia.org)
  • Hip (osteoarthritis of the hip) and knee degeneration (gonarthrosis) are the most common disorders and can be potential responsible of an aggravated disability or handicap when arthrosis complicates a preexisting motricity disorder. (serf.fr)
  • citation needed] Derek McMinn is the author of Modern Hip Resurfacing (ISBN 978-1848000872), published in 2009. (wikipedia.org)
  • citation needed] Pain of the hip may be the result of numerous causes including nervous, osteoarthritic, infectious, trauma-related, and genetic ones. (wikipedia.org)