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    • 43. 发明公开
    • SLIDING ANVIL/RETRACTING CARTRIDGE RELOAD
    • 滑动ANVIL / RETRACTING CARTRIDGE RELOAD
    • EP3192459A1
    • 2017-07-19
    • EP17157774.5
    • 2013-06-13
    • Covidien LP
    • Krehel, GreggCabrera, RamiroWhitfield, KennethRacenet, Danyel
    • A61B17/072A61B17/29
    • A61B17/068A61B17/07207A61B17/29A61B18/1445A61B2017/00353A61B2017/00407A61B2017/00464A61B2017/00544A61B2017/00557A61B2017/00867A61B2017/07214A61B2017/2923A61B2017/2927A61B2017/2929A61B2017/2944A61B2090/0817A61B2090/309
    • A surgical device comprising: a handle assembly (12); an elongated member (18) extending distally from the handle assembly, the elongated member defining a longitudinal axis; a tool assembly (104) mounted to a distal end of the elongated member, the tool assembly having a cartridge assembly (108) having a plurality of staples (130) supported therein and an anvil assembly (206), at least one of the anvil assembly and the cartridge assembly being movable in relation to each other between open and closed positions, the anvil assembly having a portion thereof being configured for transitioning between a longitudinally extended state and a longitudinally retracted state; and a transitioning mechanism configured to transition the anvil assembly (206) between the extended and retracted states, characterized in that: said portion configured for transitioning between a longitudinally extended state and a longitudinally retracted state comprises a compliant pneumatic tip (250) having a rolled configuration in the retracted state and an unrolled configuration in the extended state, the pneumatic tip being biased to the retracted state; and said transitioning mechanism comprises a translation rod (154), the pneumatic tip (250) and the translation rod being hollow for receipt of a pressurized fluid therethrough, whereby application of a fluid pressure through the hollow translation rod (154) extends the pneumatic tip (250) and removal of the fluid pressure retracts the pneumatic tip (250).
    • 一种手术装置,包括:手柄组件(12); 从所述手柄组件向远侧延伸的细长构件(18),所述细长构件限定纵向轴线; 安装到细长构件的远端的工具组件(104),所述工具组件具有其中支撑有多个钉(130)的钉仓组件(108)和砧座组件(206),至少一个砧座 所述钉仓组件和所述钉仓组件能够在打开和闭合位置之间相对于彼此移动,所述钉砧组件的一部分被配置为在纵向延伸状态和纵向缩回状态之间转换; 以及构造成使所述砧座组件(206)在所述伸出状态和缩回状态之间转换的转换机构,其特征在于:构造成用于在纵向伸展状态和纵向缩回状态之间转换的所述部分包括柔性气动尖端(250),所述柔性气动尖端 在缩回状态下的配置和在延伸状态下的展开配置,气动末端偏置到缩回状态; 并且所述过渡机构包括平移杆(154),所述气动顶端(250)和所述平移杆是中空的,用于接收穿过其中的加压流体,由此通过所述中空平移杆(154)施加流体压力将所述气动顶端 (250)并且流体压力的去除缩回气动末端(250)。