Analysis of an explanted dual mobility cup after 21 years, parabolic wear pattern: A case report.

IF 1.8 Q2 ORTHOPEDICS
SICOT-J Pub Date : 2023-01-01 DOI:10.1051/sicotj/2022052
Michel-Henri Fessy, Arthur Fessy, Anthony Viste
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Abstract

Case: A dual mobility cup was implanted in 1983 in a 43-year woman. After 31 years of normal function, we analysed the explanted materials with modern techniques.

Conclusion: Volumetric wears of the small and large articulations of the dual-mobility construct were similar. For the first time, we demonstrated that the dual-mobility liner underwent parabolic (not linear) wear during the period of implantation.

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双活动杯外植21年后抛物型磨损分析1例。
案例:双活动杯于1983年植入一名43岁的女性。在功能正常31年后,我们用现代技术分析了外植体材料。结论:双活动假体小关节和大关节的体积磨损相似。我们首次证明了双流动性衬垫在植入期间经历了抛物线(而不是线性)磨损。
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来源期刊
SICOT-J
SICOT-J ORTHOPEDICS-
CiteScore
3.20
自引率
12.50%
发文量
44
审稿时长
14 weeks
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