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    • 15. 发明申请
    • Knife retraction arm for a curved cutter stapler
    • 用于弯曲切割订书机的刀缩回臂
    • US20050139634A1
    • 2005-06-30
    • US11014895
    • 2004-12-20
    • Richard SchwembergerPeter WukusickWilliam Kelly
    • Richard SchwembergerPeter WukusickWilliam Kelly
    • A61B17/3211A61B17/00A61B17/04A61B17/072A61B19/00
    • A61B17/072A61B2017/0023A61B2017/07214A61B2017/07221A61B2017/07271A61B2017/07285A61B2090/038A61B2090/0814
    • A surgical instrument for cutting and applying a plurality of surgical fasteners in the same direction to body tissue includes a frame having a proximal end and a distal end, with a handle positioned at the proximal end and an end effector positioned at the distal end. The end effector is shaped and dimensioned for supporting a cartridge housing and an anvil. The cartridge housing and anvil are relatively movable between a first spaced apart position and a second position in close approximation with one another, and the cartridge housing includes a knife structure adapted for cutting tissue by moving between the cartridge housing and the anvil. The instrument also includes a firing mechanism associated with the end effector and the cartridge housing for selective actuation of the knife structure and surgical fasteners for movement in the same direction. The knife structure includes a rearwardly facing coupling member shaped and dimensioned for engaging a distal end of the firing mechanism as the cartridge housing is loaded into the end effector of the surgical instrument.
    • 用于在与身体组织相同的方向上切割和施加多个外科紧固件的手术器械包括具有近端和远端的框架,其中手柄位于近端,并且末端执行器位于远端。 端部执行器的形状和尺寸用于支撑盒壳体和砧座。 盒壳体和砧座在相互近似的第一间隔位置和第二位置之间相对可移动,并且盒壳体包括适于通过在盒壳体和砧座之间移动来切割组织的刀架结构。 仪器还包括与端部执行器和药筒外壳相关联的触发机构,用于选择性地致动刀具结构和用于沿相同方向移动的外科紧固件。 刀结构包括朝向后的联接构件,该联接构件的形状和尺寸用于当筒壳体装载到外科器械的端部执行器中时,用于接合击发机构的远端。