Stem taper mismatch has a critical effect on ceramic head fracture risk in modular hip arthroplasty.
Clinical Biomechanics(2017)
摘要
•Arbitrarily mixing and matching modular femoral components can go undetected.•Initial fixation may appear stable, but taper contact situation can be altered.•Investigated mismatch shows ceramic fracture strength 50% below recommended minimum.•Mixing and matching components in total hip replacement must be avoided at all costs.
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关键词
Ceramic head fracture,Al2O3,Head-stem mismatch,Mix and match,Head-taper connection,Total hip replacement
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