Safe bearing region for avoiding meniscal bearing impingement and overhang in mobile‐bearing unicompartmental knee arthroplasty
Nan Zheng,
Huiyong Dai,
Diyang Zou
et al.
Abstract:The purposes of this study were to propose a quantitative method of bearing overhang to minimize the effect of bearing spinning on mobile‐bearing unicompartmental knee arthroplasty (MB UKA), suggest and apply safe bearing regions in daily activities. The overhang distance and area were calculated for neutral and spinning positions. The safe bearing regions were based on the relationship between bearing overhang and linear wear rate. Eleven patients were included in an in‐vivo experiment under dual fluoroscopic… Show more
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