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    Expandable suture anchor
    6.
    发明授权
    Expandable suture anchor 失效
    可扩展缝合锚

    公开(公告)号：US5957953A

    公开(公告)日：1999-09-28

    申请号：US602977

    申请日：1996-02-16

    申请人： Gene P. DiPoto ,  Denise D. Fitzpatrick ,  Jeffrey Cerier ,  Jose E. Lizardi ,  Russell Warren

    发明人： Gene P. DiPoto ,  Denise D. Fitzpatrick ,  Jeffrey Cerier ,  Jose E. Lizardi ,  Russell Warren

    IPC分类号： A61B17/04

    CPC分类号： A61B17/0401 ,  A61B2017/00862 ,  A61B2017/0403 ,  A61B2017/0412 ,  A61B2017/0424 ,  A61B2017/0425 ,  A61B2017/0427 ,  A61B2017/0438 ,  A61B2017/0458 ,  Y10S606/916

    摘要： An adjustably expandable suture anchor is provided. The suture anchor includes a pair of members, one of which includes a suture mount, which are configured to be secured together in a selected one of a plurality of positions to cause one of the members to expand by an amount that corresponds to the selected position. In one embodiment, the expandable member is an outer member, and the other member is an inner member which is progressively insertable into an opening in a body of the outer member and securable in the selected position therein. For example, the inner member is threaded into the outer member body or is inserted into the body in ratchet-like fashion. As the inner member is inserted distally into the outer member, an exterior enlargement on the inner member engages a plurality of arms which extend proximally from body, and causes the arms to progressively expand radially outwardly. Because the amount of expansion is adjustable, the suture anchor can be customized to provide the proper amount of fixation for the quality of the bone in which the anchor is installed. For example, when used in relatively soft bone tissue, the suture anchor can be expanded to a greater degree than might be required in harder bone tissue to obtain secure fixation.

    摘要翻译： 提供可调节扩张的缝合锚。 缝合锚钉包括一对构件，其中一个构件包括缝合线固定件，其构造成在多个位置中选定的一个位置中固定在一起，以使构件中的一个膨胀相应于所选位置的量 。 在一个实施例中，可膨胀构件是外部构件，而另一个构件是内部构件，其可逐渐地插入到外部构件的主体中的开口中并且可固定在其中的选定位置。 例如，内部构件被螺纹连接到外部构件主体中或者以棘轮方式插入到主体中。 当内部构件向远侧插入到外部构件中时，内部构件上的外部扩大部件接合从身体向近侧延伸的多个臂，并使臂逐渐向外扩展。 因为膨胀量是可调节的，所以可以定制缝合锚，以便为安装锚的骨质量提供适量的固定。 例如，当在相对软的骨组织中使用时，缝合锚可以比在较硬的骨组织中需要的程度更大程度地膨胀以获得牢固的固定。