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    ANNULUS CUTTING TOOLS AND METHODS
    1.
    发明申请
    ANNULUS CUTTING TOOLS AND METHODS 审中-公开
    ANNULUS切割工具和方法

    公开(公告)号：US20080077146A1

    公开(公告)日：2008-03-27

    申请号：US11859476

    申请日：2007-09-21

    申请人： Weston Pernsteiner ,  Thomas Kilpela ,  Qi-Bin Bao

    发明人： Weston Pernsteiner ,  Thomas Kilpela ,  Qi-Bin Bao

    IPC分类号： A61B17/3213

    摘要： The present invention relates to tools and methods for cutting the annulus of a spinal disc. The cutting tools of the invention may be cannulated for use in conjunction with a guide wire. A stop surface of the cutting tool is configured to contact the annulus during cutting to prevent further longitudinal movement of the surgical blade(s) into the annulus, thus limiting the size of the incision(s).

    摘要翻译： 本发明涉及用于切割脊椎盘的环的工具和方法。 本发明的切割工具可以被插入以与导丝结合使用。 切割工具的止动表面构造成在切割期间接触环形空间，以防止手术刀片进一步纵向移动到环形空间中，从而限制切口的尺寸。

    Intervertebral disc space sizing tools and methods
    3.
    发明授权
    Intervertebral disc space sizing tools and methods 有权
    椎间盘空间尺寸工具和方法

    公开(公告)号：US09216098B2

    公开(公告)日：2015-12-22

    申请号：US12368964

    申请日：2009-02-10

    申请人： Jeffrey L. Trudeau ,  Thomas S. Kilpela ,  Qi-Bin Bao ,  Weston Pernsteiner

    发明人： Jeffrey L. Trudeau ,  Thomas S. Kilpela ,  Qi-Bin Bao ,  Weston Pernsteiner

    IPC分类号： A61F2/46 ,  A61B17/02 ,  A61F2/44

    CPC分类号： A61F2/4657 ,  A61B2017/0256 ,  A61F2/44 ,  A61F2002/4658 ,  A61F2002/4666

    摘要： A method and apparatus for making a size measurement within an intervertebral space by placing an expandable and contractible device into the intervertebral space, expanding the device, measuring a size characteristic of the space, contracting the device and then removing it. The measurement may be accomplished by an external x-ray or other imaging device imaging the expanded device in situ or by mechanically operated devices. An expansion and contraction mechanism such as fluid containing bladder or mechanically shifted members expands the device which later contracts in a controlled manner to the contracted size. An apparatus and method is provided for the measuring of the intervertebral space at a controlled distraction force. The apparatus includes an expandable device for providing a measurement within the intervertebral space and facilitating the measurement of the angulations of the lordotic curve of the intervertebral space.

    摘要翻译： 一种用于通过将可扩张和收缩的装置放置在椎间空间内，使装置膨胀，测量空间尺寸特征，收缩装置，然后将其移开的方法和装置来在椎间空间内进行尺寸测量。 测量可以通过外部X射线或其它成像装置来实现，其中原位或通过机械操作的装置成像扩张装置。 膨胀和收缩机构，例如含有液体的囊或机械移动的构件，膨胀装置，其随后以受控的方式收缩到合同尺寸。 提供了一种用于在受控牵引力下测量椎间空间的装置和方法。 该装置包括用于在椎间空间内提供测量并且有助于测量椎间空间的脊索曲线的角度的可扩张装置。