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    • 9. 发明授权
    • Surgical instrument with integrated reduction and distraction mechanisms
    • 具有综合减少和分心机制的手术器械
    • US09066763B2
    • 2015-06-30
    • US12183967
    • 2008-07-31
    • Larry T. KhooPeter Thomas MillerRyan Carter HarveyCraig Lee Ford
    • Larry T. KhooPeter Thomas MillerRyan Carter HarveyCraig Lee Ford
    • A61B17/70A61B17/60A61B17/02
    • A61B17/7091A61B17/60A61B17/7077A61B17/7079A61B17/708A61B17/7086A61B2017/0256
    • Embodiments of a surgical instrument disclosed herein can include mechanisms for reduction and distraction as well as compression. Some embodiments of the surgical instrument may comprise a reducer knob having a first passage through which a first shaft of a driver is acceptable, a connecting element coupled to the reducer knob and having a second passage through which the first shaft of the driver is acceptable, a compressor handle coupled to the connecting element at a first end and having a through hole, and a common handle coupled to the compressor handle via the through hole and pivots between the reducer knob and the compressor handle. With embodiments of a surgical instrument disclosed herein, surgical personnel can distract and hold vertebrae in a distracted state and perform a reduction without having to switch or add instruments. Some embodiments disclosed herein can be particularly useful for reducing spondylolisthesis during posterior fixation.
    • 本文公开的手术器械的实施例可以包括用于减少和分心以及压缩的机构。 手术器械的一些实施例可以包括具有第一通道的减速器旋钮,驱动器的第一轴可接受的第一通道,连接到减速器旋钮并具有第二通道的连接元件,驾驶员的第一轴可接受第二通道, 在第一端处连接到连接元件并具有通孔的压缩机手柄,以及通过通孔联接到压缩机手柄并且在减速器旋钮和压缩机手柄之间枢转的公共手柄。 利用本文公开的手术器械的实施例,手术人员可以分散并保持处于分心状态的椎骨并且执行减小,而不必切换或添加器械。 本文公开的一些实施方案可特别用于在后固定期间减少脊椎前移。