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    • 10. 发明申请
    • TELESCOPING SCREW FOR FEMORAL NECK FRACTURES
    • 用于股骨颈骨折的螺钉
    • WO2012158351A1
    • 2012-11-22
    • PCT/US2012/036156
    • 2012-05-02
    • SYNTHES USA, LLCSYNTHES GMBHZURSCHMIEDE, Silas
    • ZURSCHMIEDE, Silas
    • A61B17/74A61B17/88
    • A61B17/74A61B17/742A61B17/746A61B17/8872A61B17/8894
    • A bone fixation system includes a bone fixation device (101), including a first element (102) having a first channel (110) extending therethrough and a second element (104) including a proximal portion (140) sized and shaped to be received within the first channel such that the longitudinal axes (Ll,L2)of the first and second elements are substantially coaxial and a distal portion (142) including a bone engaging structure (144), a proximal end (112) of the second element slidably locked within the first channel such that the first and second elements are longitudinally movable relative to one another between a permitted range of motion. The system also includes a driving tool (160), including an outer sleeve (162) and an inner sleeve (166) slidably received therethrough, a distal end (164) of the outer sleeve configured to engage the proximal end (106) of the first element to prevent relative rotation therebetween, a distal end (168) of the inner sleeve configured to engage the proximal end of the second element.
    • 骨固定系统包括骨固定装置(101),其包括具有延伸穿过其中的第一通道(110)的第一元件(102)和包括尺寸和形状被容纳在其内的近端部分(140)的第二元件(104) 所述第一通道使得所述第一和第二元件的纵向轴线(L1,L2)基本上同轴,以及包括骨接合结构(144)的远端部分(142),所述第二元件的近端(112)可滑动地锁定 在第一通道内,使得第一和第二元件可以在允许的运动范围之间相对于彼此纵向移动。 所述系统还包括驱动工具(160),其包括外部套筒(162)和可滑动地容纳在其中的内部套筒(166),所述外部套筒的远端(164)构造成与所述外部套筒的近端(106)接合 第一元件以防止它们之间的相对旋转,所述内套筒的远端(168)构造成接合所述第二元件的近端。