ELECTROSURGICAL INSTRUMENTS FOR SEALING AND DISSECTION

    公开(公告)号:US20210177495A1

    公开(公告)日:2021-06-17

    申请号:US17084981

    申请日:2020-10-30

    Abstract: A surgical instrument comprises first and second jaws movable relative to each other between open and closed positions, a cutting electrode with a cutting surface for tissue dissection and at least one sealing electrode for sealing or coagulating tissue. The cutting electrode includes one or more insulation layers for securing the cutting electrode to one of the jaws and for protecting the jaws from the heat and energy generated at the cutting surface during operation. An actuator mechanism is coupled to the first and second jaws for moving the jaws between the open and closed positions. At least one portion of the actuator mechanism comprises a conductive pathway for electrically coupling the cutting and/or sealing electrode(s) to a source of energy. Thus, the mechanical components of the actuator mechanism include electrically conductive pathways to reduce the number of conductors extending through the device, thereby providing a more compact and maneuverable instrument.

    Electrosurgical instrument with otomy feature for a teleoperated medical system

    公开(公告)号:US11534232B2

    公开(公告)日:2022-12-27

    申请号:US16492608

    申请日:2018-03-08

    Abstract: An electrosurgical end effector for a surgical tool to perform teleoperated surgical operations. The electrosurgical end effector comprises a first end effector jaw; a second end effector jaw coupled to the first end effector jaw; and a coupling pin configured to rotatingly couple the first end effector jaw to the second end effector jaw so as to cooperatively rotate open and close about an axis of rotation. The electrosurgical end effector further comprises an actuation mechanism coupled to an end of the first end effector jaw to rotate the first end effector jaw about the coupling pin; an otomy feature coupled to the second end effector jaw; and a first electrical conductor to electrically couple the otomy feature to a generator. In one embodiment, the otomy feature is electrically activated by contact with a cam portion of the first end effector jaw, when opened beyond a predetermined jaw angle.

    ELECTROSURGICAL INSTRUMENT WITH COMPLIANT ELASTOMERIC ELECTRODE

    公开(公告)号:US20210153927A1

    公开(公告)日:2021-05-27

    申请号:US16625709

    申请日:2018-06-28

    Abstract: A surgical tool for performing telesurgical surgical operations such as cutting, shearing, grasping, engaging, or contacting tissue. The surgical tool comprises a pair of jaws cooperatively rotating open and close about an axis of rotation. The jaws further comprise one or more compliant electrodes electrically communicating with a conductor to deliver electrical energy to tissue engaged by the jaws. The electrodes formed of an elastomeric material impregnated with a conductive material or formed atop an elastomeric material allowing a certain amount of flexibility and thereby maintaining more consistent pressure on the tissue when the jaws engage the tissue.

    METHODS OF ELECTROSURGICAL INSTRUMENTS WITH OTOMY FEATURE FOR TELEOPERATED MEDICAL SYSTEMS

    公开(公告)号:US20230111832A1

    公开(公告)日:2023-04-13

    申请号:US17990662

    申请日:2022-11-19

    Abstract: An electrosurgical end effector for a surgical tool to perform teleoperated surgical operations. The electrosurgical end effector comprises a first end effector jaw; a second end effector jaw coupled to the first end effector jaw; and a coupling pin configured to rotatingly couple the first end effector jaw to the second end effector jaw so as to cooperatively rotate open and close about an axis of rotation. The electrosurgical end effector further comprises an actuation mechanism coupled to an end of the first end effector jaw to rotate the first end effector jaw about the coupling pin; an otomy feature coupled to the second end effector jaw; and a first electrical conductor to electrically couple the otomy feature to a generator. In one embodiment, the otomy feature is electrically activated by contact with a cam portion of the first end effector jaw, when opened beyond a predetermined jaw angle.

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