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Journal of Bone and Joint Surgery - British Volume, Vol 74-B, Issue 2, 228-232
Copyright © 1992 by British Editorial Society of Bone and Joint Surgery

Articles

Polyethylene wear in meniscal knee replacement. A one to nine-year retrieval analysis of the Oxford knee

JN Argenson and JJ O'Connor

Department of Engineering Science, University of Oxford, England.

We recovered 23 meniscal bearings from 18 failed bicompartmental Oxford knee prostheses. They had been implanted for one to nine years. The minimum thickness of the retrieved bearings was measured and compared with the thickness of 25 unused bearings. The mean penetration rate, calculated by two methods, was either 0.043 or 0.026 mm per annum. This compares with 0.19 mm per annum reported for the Charnley hip. The use of a fully congruous meniscal bearing prosthesis can reduce wear in knee arthroplasty to a very low rate.


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Home page
 J Bone Joint Surg BrHome page
Y.-H. Kim, D.-Y. Kim, and J.-S. Kim
Simultaneous mobile- and fixed-bearing total knee replacement in the same patients: A PROSPECTIVE COMPARISON OF MID-TERM OUTCOMES USING A SIMILAR DESIGN OF PROSTHESIS
J Bone Joint Surg Br, July 1, 2007; 89-B(7): 904 - 910.
[Abstract] [Full Text] [PDF]


(c) British Editorial Society of Bone and Joint Surgery All Rights Reserved
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Hip, Knee, Trauma, Upper limb, Foot & Ankle, Paediatrics, Oncology, Spine, Arthroplasty, General