British Editorial Society of Bone & Joint Surgery
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Composition and morphology of wear debris in failed uncemented total hip replacement Interfacial membranes collected at revision from 11 failed uncemented Ti-alloy total hip replacements were examined. Particles in the membranes were characterised by electron microscopy, microchemical spectroscopy and particle size analysis. Most were polyethylene and had a mean size of 0.53 micron +/- 0.3. They were similar to the particles seen in the base resin used in the manufacture ... ...
British Editorial Society of Bone & Joint Surgery - Tập 76-B Số 1 - Trang 60-67 - 1994
Six-year results of hydroxyapatite-coated total hip replacement We present the 5.6- to 7.6-year results of our first 118 hydroxyapatite (HA)-coated total hip replacements in patients under 66 years of age. The titanium femoral component has proximal HA coating and was usually articulated with an HA-coated threaded cup. The HA coating of 50 microns thickness has a porosity of below 3%, 97% HA purity and 65% crystallinity. The survival rate at a mean of... ...
British Editorial Society of Bone & Joint Surgery - Tập 77-B Số 4 - Trang 534-547 - 1995
Alumina-on-alumina hip replacement. Results and survivorship in young patients Total hip replacement using an alumina head and socket and a titanium alloy stem is evaluated in a series of patients under 50 years of age. Between April 1977 and December 1986, 86 such replacements were performed in 75 patients, but mainly because patients had difficulty travelling from Africa, only 71 hips were followed up adequately; of these, 56 were primary procedures and 15 revisio... ...
British Editorial Society of Bone & Joint Surgery - Tập 72-B Số 4 - Trang 658-663 - 1990
Mid-term equivalent survival of medial and lateral unicondylar knee replacement Current analysis of unicondylar knee replacements (UKRs) by national registries is based on the pooled results of medial and lateral implants. Consequently, little is known about the differential performance of medial and lateral replacements and the influence of each implant type within these pooled analyses. Using data from the National Joint Registry for England and Wales (NJR) we aime... ...
British Editorial Society of Bone & Joint Surgery - Tập 94-B Số 12 - Trang 1641-1648 - 2012
The Oxford medial unicompartmental knee replacement using a minimally-invasive approach This prospective study describes the complications and survival of the first 688 Phase 3 Oxford medial unicompartmental knee replacements implanted using a minimally-invasive technique by two surgeons and followed up independently. None was lost to follow-up. We had carried out 132 of the procedures more than five years ago. The clinical assessment of 101 of these which were available for... ...
British Editorial Society of Bone & Joint Surgery - Tập 88-B Số 1 - Trang 54-60 - 2006
Mobile-bearing lateral unicompartmental knee replacement with the Oxford domed tibial componentThe Oxford mobile-bearing unicompartmental knee replacement (UKR) is an effective and safe treatment for osteoarthritis of the medial compartment. The results in the lateral compartment have been disappointing due to a high early rate of dislocation of the bearing. A series using a newly designed domed tibial component is reported. The first 50 consecutive domed lateral Oxf... ...
British Editorial Society of Bone & Joint Surgery - Tập 94-B Số 10 - Trang 1356-1361 - 2012
Tibiofemoral movement 3: full flexion in the living knee studied by MRI We studied active flexion from 90° to 133° and passive flexion to 162° using MRI in 20 unloaded knees in Japanese subjects. Flexion over this arc is accompanied by backward movement of the medial femoral condyle of 4.0 mm and by backward movement laterally of 15 mm, i.e., by internal rotation of the tibia. At 162° the lateral femoral condyle lies posterior to the tibia.
British Editorial Society of Bone & Joint Surgery - Tập 82-B Số 8 - Trang 1199-1200 - 2000
Oxford medial unicompartmental knee arthroplasty We describe the outcome of a series of 124 Oxford meniscal-bearing unicompartmental arthroplasties carried out for osteoarthritis of the medial compartment. They had been undertaken more than ten years ago in a non-teaching hospital in Sweden by three surgeons. All the knees had an intact anterior cruciate ligament, a correctable varus deformity and full-thickness cartilage in the lateral... ...
British Editorial Society of Bone & Joint Surgery - Tập 83-B Số 2 - Trang 191-194 - 2001
Lateral unicompartmental knee replacement We describe 88 knees (79 patients) with lateral unicompartmental osteoarthritis which had been treated by the St Georg Sled prosthesis. At a mean follow-up of nine years (2 to 21) 15 knees had revision surgery, nine for progression of arthritis, six for loosening, four for breakage of a component and four for more than one reason. Six patients complained of moderate or s... ...
British Editorial Society of Bone & Joint Surgery - Tập 84-B Số 8 - Trang 1126-1130 - 2002
The flexion gap in normal knees Varus and valgus joint laxity of the normal living knee in flexion was assessed using MRI. Twenty knees were flexed to 90° and were imaged in neutral and under a varus-valgus stress in an open MRI system. The configuration of the tibiofemoral joint gap was studied in slices which crossed the epicondyles of the femur. When a varus stress was applied, the lateral joint gap... ...
British Editorial Society of Bone & Joint Surgery - Tập 86-B Số 8 - Trang 1133-1136 - 2004
Tổng số: 261
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