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    Surgical forceps having jaw members
    3.
    发明授权
    Surgical forceps having jaw members 有权

    公开(公告)号：US11877790B2

    公开(公告)日：2024-01-23

    申请号：US16736160

    申请日：2020-01-07

    Applicant: Covidien LP

    Inventor： Craig Krastins ,  Daniel W. Mercier ,  Grant T. Sims

    IPC: A61B18/14 ,  A61B18/00

    CPC classification number: A61B18/1445 ,  A61B2018/00589 ,  A61B2018/00595 ,  A61B2018/00916

    Abstract: An electrosurgical instrument includes a housing and an elongated shaft extending from the housing. An end effector is disposed at a distal portion of the elongated shaft. The end effector is configured to deliver electrosurgical energy to tissue. The end effector includes a first jaw member having a first electrode plate and a second jaw member having a second electrode plate. A movable handle is operably coupled to the housing. The movable handle is configured to move at least one of the first or second jaw members between an open position and a closed position. A first plate is disposed on the first jaw member. A second plate is disposed on the first plate. The second plate includes an opening defined therein. A bead is disposed on the first plate and is configured to protrude through the opening defined in the second plate.

    ANTI-BACKDRIVE MECHANISM FOR VESSEL SEALING INSTRUMENT
    5.
    发明申请
    ANTI-BACKDRIVE MECHANISM FOR VESSEL SEALING INSTRUMENT 有权

    公开(公告)号：US20230094871A1

    公开(公告)日：2023-03-30

    申请号：US17953559

    申请日：2022-09-27

    Applicant: Covidien LP

    Inventor： Grant T. Sims ,  William R. Whitney ,  Jason G. Weihe ,  James D. Allen, IV ,  Jason T. Sanders ,  Alyssa M. Sawyer ,  Curtis M. Siebenaller

    IPC: A61B18/14

    Abstract: A vessel sealing instrument includes a housing having a shaft extending from a distal end thereof including an end effector assembly having opposing first and second jaw members operably coupled thereto. The jaw members movable between open and closed positions for clamping tissue with a closure pressure. The jaw members are adapted to connect to a generator for providing energy thereto. An anti-backdrive mechanism is operably associated with the end effector assembly, the anti-backdrive mechanism including first and second mesh-like electrodes disposed in opposing relation on respective first and second jaw members and including openings defined therein. The first and second mesh-like electrodes compressible between a first configuration for grasping tissue wherein the openings defined within each mesh-like electrode include a first diameter to a second configuration for sealing tissue wherein the openings defined within each mesh-like electrode expand to a second diameter configured to release steam upon activation.

    TWO-PART SEAL PLATE FOR VESSEL SEALER AND METHOD OF MANUFACTURING SAME
    7.
    发明申请
    TWO-PART SEAL PLATE FOR VESSEL SEALER AND METHOD OF MANUFACTURING SAME 有权

    公开(公告)号：US20210322088A1

    公开(公告)日：2021-10-21

    申请号：US16850045

    申请日：2020-04-16

    Applicant: Covidien LP

    Inventor： Monte S. Fry ,  Grant T. Sims ,  Robert F. Mccullough, JR.

    IPC: A61B18/14

    Abstract: An end effector assembly includes a pair of opposing jaw members, one or both of the jaw members having a support base and an electrical jaw lead adapted to operably connect to an electrosurgical generator. A sealing plate is operably coupled to the support base and includes: an upper plate having an outer peripheral edge that extends therefrom and that defines a cavity configured to receive a lower plate; and a series of grooves defined within the upper plate and projecting therethrough to expose the lower plate. One or both of the upper plate or the lower plate is operably coupled to the electrical lead.

    FORCEPS WITH LINEAR TRIGGER MECHANISM
    8.
    发明申请
    FORCEPS WITH LINEAR TRIGGER MECHANISM 有权

    公开(公告)号：US20210282838A1

    公开(公告)日：2021-09-16

    申请号：US16886687

    申请日：2020-05-28

    Applicant: Covidien LP

    Inventor： Jennifer L. Rich ,  Craig V. Krastins ,  Kelley D. Goodman ,  Daniel W. Mercier ,  Grant T. Sims

    IPC: A61B18/14

    Abstract: A forceps includes first and second shafts each having a jaw disposed at a distal end thereof configured to rotate about a pivot to move the jaws between open and closed positions, the shafts defining a longitudinal axis therebetween. A knife deployment mechanism including a rack and pinion mechanism or a series of links is disposed within the first shaft and includes a trigger moveable along the longitudinal axis to deploy a knife between the jaws. A knife lockout is configured to move upon approximation of the first and second shafts between an engaged position preventing deployment of the knife and a disengaged position allowing deployment of the knife. A knife kickout mechanism is disposed within the first shaft in opposition to the second shaft and is configured to force the knife forward upon movement of the first and second shafts from an approximated position to a more open position.

    SURGICAL FORCEPS HAVING JAW MEMBERS
    9.
    发明申请
    SURGICAL FORCEPS HAVING JAW MEMBERS 有权

    公开(公告)号：US20210205004A1

    公开(公告)日：2021-07-08

    申请号：US16736191

    申请日：2020-01-07

    Applicant: Covidien LP

    Inventor： Craig Krastins ,  Daniel W. Mercier ,  Grant T. Sims

    IPC: A61B18/14 ,  A61B17/29

    Abstract: An electrosurgical instrument includes a housing and an elongated shaft extending from the housing. An end effector is disposed at a distal portion of the elongated shaft. The end effector is configured to deliver electrosurgical energy to tissue. The end effector includes a first jaw member having a first electrode plate and a second jaw member having a second electrode plate. A movable handle is operably coupled to the housing. The movable handle is configured to move at least one of the first or second jaw members between an open position and a closed position. A first plate is disposed on the first jaw member. A second plate is disposed on the first plate. The second plate includes an opening defined therein. A bead is disposed on the first plate and is configured to protrude through the opening defined in the second plate.

    Surgical instrument with stamped double-flange jaws
    10.
    发明授权
    Surgical instrument with stamped double-flange jaws 有权

    公开(公告)号：US10588651B2

    公开(公告)日：2020-03-17

    申请号：US15844821

    申请日：2017-12-18

    Applicant: COVIDIEN LP

    Inventor： James D. Allen, IV ,  John R. Twomey ,  Michael B. Lyons ,  Jessica E. C. Olson ,  Sean T. O'Neill ,  Grant T. Sims

    IPC: A61B17/295 ,  A61B17/28 ,  A61B18/14 ,  A61B17/3205 ,  A61B17/29 ,  A61B90/00 ,  A61B17/00 ,  A61B18/00

    Abstract: A surgical instrument includes an elongated shaft having a distal portion and a proximal portion coupled to a housing. An inner shaft member extends at least partially through the elongated shaft and is selectively movable in a longitudinal direction. An end effector is supported by the distal portion of the elongated shaft. The end effector includes upper and lower jaw members pivotally coupled to the distal portion of the elongated shaft about a pivot axis and including a pair of laterally spaced flanges. The pairs of flanges of the jaw members are arranged in an offset configuration such that 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.

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