POLYETHYLENE WEAR IN UNCEMENTED KNEE REPLACEMENTS

被引:84
作者
JONES, SMG [1 ]
PINDER, IM [1 ]
MORAN, CG [1 ]
MALCOLM, AJ [1 ]
机构
[1] FREEMAN RD HOSP,ORTHOPAED SURG,NEWCASTLE TYNE NE7 7DN,TYNE & WEAR,ENGLAND
来源
JOURNAL OF BONE AND JOINT SURGERY-BRITISH VOLUME | 1992年 / 74卷 / 01期
关键词
D O I
10.1302/0301-620X.74B1.1732256
中图分类号
R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学(修复外科学)];
学科分类号
摘要
Isolated wear of the polyethylene tibial component led to failure in five of a series of 108 uncemented porous-coated knee replacements. The clinical features included pain, effusion and instability with progressive varus deformity. In all cases there was extensive wear on the medial side of the polyethylene surface of the prosthesis. The mechanism of such wear is complex, being due in part to the unconstrained nature of the joint and the incongruity of its surfaces. Other design characteristics may have contributed.
引用
收藏
页码:18 / 22
页数:5
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