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    Spine distraction implant and method
    13.
    发明申请
    Spine distraction implant and method 审中-公开
    脊柱牵引植入物和方法

    公开(公告)号：US20070055246A1

    公开(公告)日：2007-03-08

    申请号：US11592527

    申请日：2006-11-03

    申请人： James Zucherman ,  Ken Hsu ,  T. Fallin ,  Henry Klyce

    发明人： James Zucherman ,  Ken Hsu ,  T. Fallin ,  Henry Klyce

    IPC分类号： A61F2/30

    CPC分类号： A61K31/37 ,  A61B17/66 ,  A61B17/7047 ,  A61B17/7065 ,  A61B17/7068 ,  A61B17/7071

    摘要： A supplemental spine fixation device and method is used in association with a primary spine fixation device. The supplemental spine fixation device includes a guide and spacer for distracting apart adjacent spinous processes and the device has hook members which hook about the first and second spinous processes. With the spinous processes distracted and the hook members about the spinous processes, the hook members can be rigidly secured to a hub in order to rigidly affix the spinous processes about the spacer. The rigidity between the spinous processes assures that the vertebral bodies will be held rigidly in place in order to promote bone growth and fusion. Further additional freedom of movement between the spacer and hub is accomplished with the spacer being pivotably mounted relative to the hub. The hooks have a tissue distracting lead-in guide for allowing the hooks to be easily urged between spinous processes.

    摘要翻译： 辅助脊柱固定装置和方法与主要脊柱固定装置相关联使用。 补充脊柱固定装置包括用于分散相邻棘突的引导件和间隔件，并且该装置具有钩绕第一和第二棘突的钩构件。 随着棘突和钩构件围绕棘突的分离，钩构件可以刚性地固定到轮毂上，以便使围绕隔离物的棘突刚性地固定。 棘突之间的刚性确保了椎体将被刚性地保持在适当位置以促进骨生长和融合。 间隔件和轮毂之间的进一步额外的移动自由度是通过间隔件相对于轮毂可枢转地安装来实现的。 钩具有组织分散的引入引导件，用于允许钩在棘突之间容易地被推动。