The effects of manufacturing tolerances and assembly force on the volumetric wear at the taper junction in modular total hip arthroplasty
SourceComputer Methods in Biomechanics and Biomedical Engineering, 22, 13, (2019), pp. 1061-1072
Article / Letter to editor
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Computer Methods in Biomechanics and Biomedical Engineering
SubjectRadboudumc 10: Reconstructive and regenerative medicine RIHS: Radboud Institute for Health Sciences
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.
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