Electrosurgical instrument
    23.
    发明授权

    公开(公告)号:US11672592B2

    公开(公告)日:2023-06-13

    申请号:US17063772

    申请日:2020-10-06

    Applicant: Covidien LP

    Abstract: A surgical instrument includes a housing that supports an elongated shaft. A selectively movable drive rod extends through the elongated shaft and carries a cam pin in a longitudinal direction. An end effector for surgically treating tissue is supported by the elongated shaft and includes upper and lower jaw members pivotally coupled to one another about a pivot axis. The upper jaw member includes a first pair of laterally spaced flanges, and the lower jaw member includes a second pair of laterally spaced flanges defining a camming slot for engaging the cam pin. The flanges are arranged in an offset configuration where one flange of the upper jaw member is positioned on a laterally exterior side of a corresponding flange of the lower jaw member, and the other flange of the upper jaw member is positioned on a laterally interior side of the other flange of the lower jaw member.

    Electrosurgical instrument with a knife blade lockout mechanism

    公开(公告)号:US10595932B2

    公开(公告)日:2020-03-24

    申请号:US15461153

    申请日:2017-03-16

    Applicant: COVIDIEN LP

    Abstract: An electrosurgical forceps is provided with a shaft that extends from a housing of the electrosurgical forceps. An end effector assembly operably coupled to the shaft includes a pair of first and second jaw members. One or both of the first and second jaw members is movable from an open configuration, to a clamping configuration. A knife blade assembly includes a knife blade translatable within the first and second jaw members. A knife blade lockout mechanism is in operative communication with the knife blade assembly and includes an elongated cam slot with a cam pin translatable therein from a distal end of the elongated cam slot corresponding to the knife blade lockout mechanism engaged with the knife blade assembly, to a proximal position corresponding to the knife blade lockout mechanism disengaged from the knife blade assembly.

    SURGICAL FORCEPS
    25.
    发明申请
    SURGICAL FORCEPS 审中-公开

    公开(公告)号:US20190336201A1

    公开(公告)日:2019-11-07

    申请号:US16513985

    申请日:2019-07-17

    Applicant: COVIDIEN LP

    Abstract: A forceps includes an end effector assembly having first and second jaw members movable between a spaced-apart position and an approximated position for grasping tissue therebetween. A knife assembly having a cutting blade disposed at a distal end thereof is also provided. The knife assembly is translatable relative to the end effector assembly between a retracted position and an extended position, wherein the cutting blade extends between the jaw members to cut tissue grasped therebetween. The knife assembly includes a proximal component and a first distal component that includes the cutting blade. The proximal and first distal components are removably coupled to one another to facilitate replacement of the first distal component. Methods of preparing such forceps for reuse are also provided.

    Surgical instrument with stamped double-flange jaws and actuation mechanism
    30.
    发明授权
    Surgical instrument with stamped double-flange jaws and actuation mechanism 有权
    外科手术器具冲压双凸缘钳口和致动机构

    公开(公告)号:US09375263B2

    公开(公告)日:2016-06-28

    申请号:US14604385

    申请日:2015-01-23

    Applicant: COVIDIEN LP

    Abstract: A surgical instrument includes a housing that supports an elongated shaft. A selectively movable drive rod extends through the elongated shaft and carries a cam pin in a longitudinal direction. An end effector for surgically treating tissue is supported by the elongated shaft and includes upper and lower jaw members pivotally coupled to one another about a pivot axis. The upper jaw member includes a first pair of laterally spaced flanges, and the lower jaw member includes a second pair of laterally spaced flanges defining a camming slot for engaging the cam pin. The flanges are arranged in an offset configuration where one flange of the upper jaw member is positioned on a laterally exterior side of a corresponding flange of the lower jaw member, and the other flange of the upper jaw member is positioned on a laterally interior side of the other flange of the lower jaw member.

    Abstract translation: 手术器械包括支撑细长轴的壳体。 可选择地移动的驱动杆延伸穿过细长轴并在纵向方向上承载凸轮销。 用于手术治疗组织的端部执行器由细长轴支撑,并且包括围绕枢转轴线彼此可枢转地联接的上部和下部钳口构件。 上钳口构件包括第一对横向间隔开的凸缘,并且下钳口构件包括限定用于接合凸轮销的凸轮槽的第二对横向间隔开的凸缘。 凸缘布置成偏置构造,其中上钳口构件的一个凸缘定位在下钳口构件的对应凸缘的横向外侧上,并且上钳口构件的另一个凸缘位于 下颚构件的另一个法兰。

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