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    GAP CONTROL VIA OVERMOLD TEETH AND HARD STOPS
    21.
    发明申请
    GAP CONTROL VIA OVERMOLD TEETH AND HARD STOPS 有权

    公开(公告)号：US20230054962A1

    公开(公告)日：2023-02-23

    申请号：US17981547

    申请日：2022-11-07

    Applicant: Covidien LP

    Inventor： John R. Twomey ,  Dylan R. Kingsley ,  James D. Allen, IV ,  Sean T. O'Neill ,  Jeffrey M. Roy

    IPC: A61B18/14 ,  B29C45/14

    Abstract: A forceps includes an end effector assembly having a stop and a plurality of overmold teeth within at least one jaw member. One (or both) of the jaw members is moveable relative to the other between a spaced-apart position and an approximated position for grasping tissue therebetween. One (or both) of the jaw members includes a stop molded within an insulative housing, and an insulator plate with the overmold teeth formed from plastic. The overmold teeth extend through openings within a sealing plate and protrude past the tissue sealing surface of the sealing plate. The stop primarily controls the gap distance between opposing jaw members by bearing most of an applied load and the overmold teeth assist in controlling the gap distance by bearing the remaining applied load.

    Surgical instrument
    25.
    发明授权
    Surgical instrument 有权
    手术器械

    公开(公告)号：US09265566B2

    公开(公告)日：2016-02-23

    申请号：US14043322

    申请日：2013-10-01

    Applicant: COVIDIEN LP

    Inventor： Sean T. O'Neill ,  Jessica E. C. Olson

    IPC: A61B17/32 ,  A61B18/14 ,  A61B17/29 ,  A61B19/00

    CPC classification number: A61B18/1442 ,  A61B18/1445 ,  A61B18/1447 ,  A61B19/30 ,  A61B90/03 ,  A61B2017/2901 ,  A61B2017/2902 ,  A61B2017/292 ,  A61B2017/2929 ,  A61B2017/293 ,  A61B2018/1455 ,  A61B2090/031

    Abstract: A surgical instrument includes a housing and an elongated shaft having a distal portion and a proximal portion coupled to the housing. The elongated shaft defines a longitudinal axis and a mandrel at the proximal portion. An inner shaft member extends at least partially through the elongated shaft. An actuating mechanism is operably coupled to the mandrel and is configured to selectively cause movement of the elongated shaft in a longitudinal direction with respect to the inner shaft member. The surgical also includes an end effector that is adapted for treating tissue and includes an upper jaw member pivotally coupled to a distal portion of the inner shaft member about a pivot axis and a lower jaw member supported by the distal portion of the elongated shaft. Longitudinal movement of the elongated shaft is configured to pivot the upper jaw member relative to the lower jaw member.

    Abstract translation: 手术器械包括壳体和细长轴，其具有远端部分和联接到壳体的近侧部分。 细长轴在近端部分限定纵向轴线和心轴。 内轴构件至少部分地延伸穿过细长轴。 致动机构可操作地联接到心轴并且构造成选择性地引起细长轴相对于内轴构件在纵向方向上的移动。 手术还包括端部执行器，其适于处理组织并且包括上部钳口构件，所述上钳口构件围绕枢转轴线可枢转地联接到内轴构件的远侧部分，并且下部钳口构件由细长轴的远侧部分支撑。 细长轴的纵向运动被构造成使上钳口构件相对于下钳口构件枢转。

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