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首页> 外文期刊>Computer methods in biomechanics and biomedical engineering >The effects of manufacturing tolerances and assembly force on the volumetric wear at the taper junction in modular total hip arthroplasty
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The effects of manufacturing tolerances and assembly force on the volumetric wear at the taper junction in modular total hip arthroplasty

机译：制造公差和组装力对模块化总髋关节置换术中锥形交界处体积磨损的影响

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摘要

Fretting and corrosion at the taper-head interface in total hip arthroplasty has been reported as a potential cause of early failure of the implant system. The finite element (FE) method can be used to study the mechanics at the taper junction that are difficult to assess experimentally. Taper mismatch is one of the factors that can influence the performance of the taper junction. In this study we have assessed the effect of taper mismatch, in combination with assembly force on the volumetric wear. The study showed that higher assembly forces and smaller mismatches result in the least volumetric wear.
机译：在总髋关节置换术中的锥形头界面处的微动和腐蚀已被报告为植入系统早期失效的潜在原因。有限元（Fe）方法可用于研究难以通过实验评估的锥形交界处的力学。锥度不匹配是影响锥形交界处性能的因素之一。在这项研究中，我们已经评估了锥体不匹配的影响，与容积磨损的组装力相结合。该研究表明，较高的装配力和较小的错配导致最少的容积磨损。

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