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21. 发明授权

US08496704B2 Systems and methods for tensioning ligaments and other soft tissues 有权
标题翻译：用于张紧韧带和其他软组织的系统和方法
公开(公告)号：US08496704B2
公开(公告)日：2013-07-30
申请号：US13084717
申请日：2011-04-12
申请人： Nathaniel M. Lenz , Zachary Christopher Wilkinson
发明人： Nathaniel M. Lenz , Zachary Christopher Wilkinson
IPC分类号： A61F2/08 , A61F2/38
CPC分类号： A61F2/389 , A61B2017/565 , A61F2/0811 , A61F2002/0829 , A61F2002/0852 , A61F2002/0888 , A61F2002/30462 , A61F2002/30616 , A61F2002/30688
摘要： Systems, methods and devices for tensioning posterior cruciate ligaments during cruciate or bi-cruciate ligament-sparing arthroplasty. Non-limiting examples of such systems may include at least one series of tibial inserts of equal size; the at least one series of tibial inserts having at least one set of tibial inserts of equal thickness. The at least one set of tibial inserts of equal thickness may include at least two tibial inserts having different geometries in a posterior portion, the different geometries being configured to change the tension in the posterior cruciate ligament (PCL). The different geometries in the posterior portions of the tibial inserts are configured so as to allow the posterior cruciate ligament to be tensioned or loosened independently of the tibial insert thickness and/or size. By providing different posterior geometries for each insert within a set of a series, a surgeon may be provided with more flexibility in choosing an insert that satisfies stability requirements in a non-invasive manner.
摘要翻译：用于在十字韧带或双十字韧带关节置换术期间张紧后十字韧带的系统，方法和装置。这种系统的非限制性实例可以包括至少一系列相同大小的胫骨插入物; 所述至少一系列胫骨插入物具有至少一组相等厚度的胫骨插入件。至少一组相等厚度的胫骨插入物可以包括在后部中具有不同几何形状的至少两个胫骨插入件，不同的几何形状被配置成改变后交叉韧带（PCL）中的张力。胫骨插入物的后部中的不同几何形状被构造成允许后交叉韧带被独立于胫骨插入物厚度和/或尺寸张紧或松开。通过为一系列的一组中的每个插入物提供不同的后几何形状，外科医生可以在选择以非侵入性方式满足稳定性要求的插入物时具有更大的灵活性。

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