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    • 2. 发明授权
    • Drill alignment guide for osteoplastic surgery
    • 钻孔矫正指南用于骨肿瘤手术
    • US4860735A
    • 1989-08-29
    • US229633
    • 1988-08-08
    • John R. DaveyWilliam H. Harris
    • John R. DaveyWilliam H. Harris
    • A61B17/56A61B17/17A61F2/46
    • A61B17/1717Y10S408/712Y10T408/55Y10T408/563Y10T408/564
    • A drill alignment apparatus for a drill adapted for osteoplastic surgery comprises an alignment rod mounted thereto and a clamp element. The alignment rod is parallel to and disposed a predetermined distance (D) from a shaft of the drill. The clamp element includes an aperture which permits passage of the rod. The clamp element is adapted to be affixed to a bone, such as a femur, so that the aperture is displaced from the central axis of the bone by substantially the same distance which the center axis of the alignment rod is displaced from the center axis of the drill shaft. When drilling is commenced, the forward end of the alignment rod is placed within the aperture of the clamp element. As drilling progresses, the rod passes through the aperture, thereby ensuring that drilling occurs along a predetermined drilling path extending along the bone axis.
    • 适用于骨肿瘤手术的钻头的钻取对准装置包括安装在其上的对准杆和夹紧元件。 对准杆与钻机的轴平行并且设置有与预定距离(D)的距离。 夹紧元件包括允许杆通过的孔。 夹紧元件适于固定在诸如股骨之类的骨骼上,使得孔径从骨的中心轴线偏离基本相同的距离,使得对准杆的中心轴线从 钻杆轴。 当开始钻孔时,对准杆的前端被放置在夹紧元件的孔内。 随着钻孔进行,杆穿过孔,从而确保沿着沿着骨轴线延伸的预定钻孔路径进行钻孔。