In Vivo Postoperative Motion of Fixed and Mobile Medial Pivot Knees Under Weight-Bearing Conditions after Cruciate-Sacrificing Total Knee Arthroplasty.

Toru Yoshioka,Nobukazu Okimoto, Mikiya Sawa,Kei Asano,Kenji Obayashi,Makoto Kawasaki,Tokifumi Majima

Journal of Nippon Medical School = Nippon Ika Daigaku zasshi（2023）

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摘要

Postoperative motion analysis confirmed that fixed and mobile CS implants, which have a similar design, guided medial pivot motion under weight-bearing conditions. However, motion differed between these implant types after mid-flexion: bicondylar rollback after medial pivot motion was noted in the mobile cohort.

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关键词

cruciate-substituting implant,medial pivot motion,motion analysis,total knee arthroplasty

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