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首页> 外文期刊>Journal of shoulder and elbow surgery >Glenoid baseplate screw fixation in reverse shoulder arthroplasty: does locking screw position and orientation matter?
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Glenoid baseplate screw fixation in reverse shoulder arthroplasty: does locking screw position and orientation matter?

机译:逆转肩部伸缩动工术中的胶林垫基板螺钉固定:锁定螺钉位置和方向物质吗?

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摘要

Background: The longevity of a reverse total shoulder arthroplasty prosthesis can be compromised by glenoid baseplate loosening. Circular baseplate designs can be secured with superoinferior (SI) locking screws and anteroposterior (AP) compression screws or vice versa (AP-locking and SI-compression screws). This biomechanical cadaveric study investigated screw position (locking screws SI vs. AP and compression screws AP and SI) and screw orientation (parallel vs. divergent) to determine quantitative differences in baseplate micromotion.
机译:背景:反向全肩关节置换假体的寿命可能会因关节盂底板松动而受到影响。圆形基板设计可以用上下(SI)锁定螺钉和前后(AP)加压螺钉固定,反之亦然(AP锁定螺钉和SI加压螺钉)。这项生物力学尸体研究调查了螺钉位置(锁定螺钉SI与AP以及加压螺钉AP与SI)和螺钉方向(平行与发散),以确定基板微动的数量差异。

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