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    • 4. 发明授权
    • Backend mechanism for four-cable wrist
    • 四线手腕的后端机构
    • US09186221B2
    • 2015-11-17
    • US12173928
    • 2008-07-16
    • William A. Burbank
    • William A. Burbank
    • A61B19/00
    • A61B34/30A61B34/71A61B2034/305Y10T74/20335
    • A transmission or backend mechanism for a medical instrument connects four cables to three motorized degrees of freedom. The transmission employs a first drive mechanism attached to first and second cables and a second drive mechanism attached to third and fourth cables, where each mechanism can include a capstan or a lever system that pulls in one cable while simultaneously feeding out another cables. A third drive mechanism has a first pivot about which a portion of the first drive mechanism rotates, a second pivot about which a portion of the second drive mechanism rotates, and a third pivot about which the third drive mechanism rotates. Rotation of the third drive mechanism about the third pivot pulls in at least one of the first and second cables and feeds out at least one of the third and fourth cables.
    • 用于医疗器械的传输或后端机构将四根电缆连接到三个机动自由度。 变速器采用连接到第一和第二缆线的第一驱动机构和连接到第三和第四缆线的第二驱动机构,其中每个机构可以包括主导轮或杠杆系统,其拉动一根电缆同时输出另一根电缆。 第三驱动机构具有第一枢轴,第一驱动机构的一部分绕其旋转;第二枢轴,第二驱动机构的一部分绕其旋转;第三枢轴,第三驱动机构围绕第三枢轴旋转。 第三驱动机构围绕第三枢轴的旋转在第一和第二电缆中的至少一个中拉动并且馈送出第三和第四电缆中的至少一个。
    • 7. 发明授权
    • Multiple clip applier having a split feeding mechanism
    • 具有分割进给机构的多个夹具
    • US5951574A
    • 1999-09-14
    • US178389
    • 1998-10-23
    • David StefanchikRick D. ApplegateTodd P. OmatisWilliam A. BurbankJ. Renee Lupton
    • David StefanchikRick D. ApplegateTodd P. OmatisWilliam A. BurbankJ. Renee Lupton
    • A61B17/128A61B17/04
    • A61B17/1285Y10S227/901
    • A multiple clip applier includes a handle portion and a pair of handles pivotably connected to opposite sides of the housing. A shaft extends from the housing and has a plurality of clips located within. A pair of opposed moveable jaws are attached to and extend from the distal end of the shaft. The jaws receive one of the clips serially when they are open and form the clip received serially when they close. A moveable forming mechanism is operatively connected to the handles by a pair of forming links. As the handles close, the forming mechanism closes the jaws to form the clip received therein, and as the handles are opened, the forming mechanism opens the jaws to receive another clip therein . A feeding mechanism is provided that has a moveable feed plate attached to the handles by a pair of feed links. The feed plate is releasably coupled to a clip pusher. As the handles are closed, the clip pusher remains stationary and uncoupled with the moving feed plate. As the handles are opened, the clip pusher is operatively coupled to the feed plate and moves to place one of the clips into the jaws.
    • 多个夹具包括手柄部分和可枢转地连接到壳体的相对侧的一对手柄。 轴从壳体延伸并且具有位于其内的多个夹子。 一对相对的可移动夹爪连接到轴的远端并从轴的远端延伸。 当它们打开时,钳口顺序地接收一个剪辑,并且当它们关闭时形成连续的片段。 可移动成形机构通过一对成形连接件可操作地连接到把手。 当手柄关闭时,成形机构闭合夹爪以形成容纳在其中的夹子,并且当手柄打开时,成形机构打开夹爪以在其中容纳另一个夹子。 提供了一种具有通过一对进料链条附接到把手的可移动进给板的进给机构。 馈送板可释放地联接到夹子推动器。 当手柄关闭时,夹子推动器保持静止并且与移动的进给板脱离联接。 当手柄打开时,夹子推动器可操作地联接到进给板并移动以将夹子中的一个放入夹爪中。