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    • 10. 发明授权
    • Method of anastomosing a vessel using a surgical clip applier
    • 使用外科夹具施放器吻合血管的方法
    • US5779718A
    • 1998-07-14
    • US714790
    • 1996-09-13
    • David T. GreenHenry BolanosKenneth E. TosoDaniel E. AlesiRobert GeisteFrank C. Maffei
    • David T. GreenHenry BolanosKenneth E. TosoDaniel E. AlesiRobert GeisteFrank C. Maffei
    • A61B17/08A61B17/11A61B17/128A61B17/28A61B17/04
    • A61B17/1285A61B17/08A61B17/083A61B17/2909A61B2017/1107A61B2017/2913A61B2017/2916A61B2017/2929Y10S227/901
    • A surgical clip applicator comprising a housing, a pair of handles pivotally connected to opposite sides of said housing, and a jaw blade assembly fixedly connected to the housing. The jaw blade assembly includes a pair of jaws for receiving and deforming a clip therebetween and a clip carrier for supplying a series of clips to said jaws. A channel assembly is slidably mounted in the housing and envelops said jaw blade assembly. A forming cam is connected between and to said handles and said channel assembly for sliding said channel assembly in a distal direction in response to closing of said handles together to move said jaws towards each other. A feed cam bar slidably mounted in said channel assembly in overlying relation to said clip carrier, said bar having a nose at its distal end. A pusher bar sidably mounted in said channel assembly for advancing clips along said clip carrier. A first spring member connected between said cam bar and said forming cam for sliding said cam bar in a proximal direction in response to closing of said handles together and further biasing said channel assembly in a proximal direction. Second spring member biasing said pusher bar in a distal direction to push a foremost clip in said clip carrier between said jaws in response to opening of said handles from each other. A clip retainer for preventing movement of said spring biased pusher bar is also provided.
    • 一种手术夹施加器,其包括壳体,可枢转地连接到所述壳体的相对侧的一对手柄,以及固定地连接到所述壳体的钳口刀片组件。 颚板组件包括一对夹爪,用于接收和变形夹子,夹子支架用于将一系列夹子供给到所述夹爪。 通道组件可滑动地安装在壳体中并且包围所述钳口叶片组件。 成形凸轮连接在所述手柄和所述通道组件之间,用于响应于所述把手的关闭而在远侧方向上滑动所述通道组件以将所述钳口朝向彼此移动。 一种进给凸轮杆,其可滑动地安装在所述通道组件中,与所述夹子托架相重叠,所述杆在其远端具有鼻部。 一个推杆可倾斜地安装在所述通道组件中,用于沿着夹子承载件推进夹子。 连接在所述凸轮杆和所述成形凸轮之间的第一弹簧构件,用于响应于所述把手的关闭而沿近端方向滑动所述凸轮杆,并且进一步沿近侧方向偏置所述通道组件。 第二弹簧构件在远侧方向上偏压所述推杆,以响应于所述把手彼此打开而在所述夹爪之间推动所述夹子承载件中的最前面的夹子。 还提供了用于防止所述弹簧偏压推杆的移动的夹持器。