首页> 外文期刊>The Journal of arthroplasty >An accurate and reproducible method for locating the joint line during a revision total knee arthroplasty.
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An accurate and reproducible method for locating the joint line during a revision total knee arthroplasty.

机译:一种精确且可重现的方法,用于在翻修全膝关节置换术中定位关节线。

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摘要

Studies have shown that the position of the joint line has a direct effect on postoperative results, including range of motion, functional knee scores, and midflexion stability. Four anatomic landmarks were investigated as references for locating the joint line during a revision knee surgery--the medial femoral epicondyle, the fibular head, the tibial tubercle, and the inferior pole of the patella. Measurements from 6 cadaver knees identified the distance of each landmark to the joint line. These distances were used to design instruments to aid in the intraoperative positioning of the joint line. The instruments were validated on 94 primary total knees. The instrument referencing the medial epicondyle had 99% and 93% accuracy for locating the natural position of the joint line within 5 and 3 mm, respectively.
机译:研究表明,关节线的位置对术后结果有直接影响,包括运动范围,功能性膝关节评分和中屈稳定性。研究了四个解剖学界标作为在翻修膝关节手术中定位关节线的参考-股内侧media,腓骨头,胫骨结节和the骨下极。通过6个尸体膝盖的测量确定了每个界标到关节线的距离。这些距离被用来设计工具以辅助关节线的术中定位。仪器已在94个主要全膝关节上得到验证。定位内侧上con的器械在将关节线的自然位置分别定位在5毫米和3毫米内时具有99%和93%的精度。

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