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    • 3. 发明申请
    • TROCAR ASSEMBLY
    • TROCAR大会
    • WO2011044127A1
    • 2011-04-14
    • PCT/US2010/051477
    • 2010-10-05
    • ETHICON ENDO-SURGERY, INC.PARIHAR, Shailendra, K.PATIL, Haresh
    • PARIHAR, Shailendra, K.PATIL, Haresh
    • A61B17/34A61M13/00
    • A61B17/34A61B17/3462A61B17/3474A61B17/3498A61M13/003
    • A trocar sleeve assembly including a cannula connected to a housing assembly to define a working channel, wherein the housing assembly includes a housing that defines an opening in fluid communication with the working channel, a sleeve slidably received over the housing to define an annular region between the sleeve and the housing, a first sealing member forming a first seal between the sleeve and the housing, and a second sealing member forming a second seal between the sleeve and the housing, the second sealing member being axially spaced from the first sealing member to define a chamber in the annular region, and an insufflation port in fluid communication with the chamber, wherein the sleeve is slidable relative to the housing between a first position, wherein the chamber is in fluid communication with the opening, and a second position, wherein the chamber is fluidly decoupled from the opening.
    • 套管套筒组件,其包括连接到壳体组件以限定工作通道的插管,其中所述壳体组件包括限定与所述工作通道流体连通的开口的壳体;可滑动地容纳在所述壳体上的套筒, 所述套筒和所述壳体,形成所述套筒和所述壳体之间的第一密封件的第一密封构件,以及在所述套筒和所述壳体之间形成第二密封件的第二密封构件,所述第二密封构件与所述第一密封构件轴向间隔开, 在所述环形区域中限定室,以及与所述室流体连通的吹入口,其中所述套筒可相对于所述壳体在第一位置和所述第二位置处于第一位置之间滑动,所述第一位置与所述开口流体连通, 该室与开口流体地分离。