SURGICAL STAPLER CARTRIDGE HAVING INTERMEDIATE RAISED TISSUE ENGAGEMENT PROTRUSIONS

    公开(公告)号:US20240382197A1

    公开(公告)日:2024-11-21

    申请号:US18588147

    申请日:2024-02-27

    Abstract: An apparatus includes a cartridge body, a deck, an elongate slot, a plurality of pockets, and a plurality of engagement protrusions. The plurality of pockets include first and second pockets. The plurality of engagement protrusions extend from the deck and are configured to grip tissue or an adjunct material. The plurality of engagement protrusions include first and second engagement protrusions. The first engagement protrusion is associated with the first pocket. The first engagement protrusion includes a lateral portion extending longitudinally along a lateral side of the first pocket. The first engagement protrusion does not extend along a second lateral side of the first pocket such that the second lateral side opens directly to the deck. The second engagement protrusion is associated with the second pocket. The second engagement protrusion includes a lateral portion extending longitudinally along the second lateral side of the second pocket.

    Balancing feature for reusable trocar

    公开(公告)号:US12023067B2

    公开(公告)日:2024-07-02

    申请号:US18077326

    申请日:2022-12-08

    Inventor: Gregory G. Scott

    Abstract: A surgical access device assembly includes a cannula hub and a cannula tube. The cannula tube extends distally from the cannula hub along a longitudinal axis. The cannula tube defines a working channel. The cannula tube includes a tissue engagement feature and a balancing feature. The balancing feature is configured to promote lateral stability of the cannula tube and the cannula hub relative to the body cavity wall of the patient. The balancing feature includes a proximal portion of the cannula tube having a first wall thickness. The balancing feature also includes a distal portion of the cannula tube having a second wall thickness that is greater than the first wall thickness. At least a portion of the proximal portion is proximal relative to the tissue engagement feature. At least a portion of the distal portion is distal relative to the tissue engagement feature.

    DUAL STAGE CLOSURE SYSTEM FOR CIRCULAR SURGICAL STAPLER

    公开(公告)号:US20220151621A1

    公开(公告)日:2022-05-19

    申请号:US17530567

    申请日:2021-11-19

    Abstract: An apparatus includes a handle assembly having a body, a shaft assembly having an outer tube member, an end effector, an anvil, a first trocar closure system, and a second trocar closure system. The end effector has having a staple deck fixed relative to the body, a staple driver operable to actuate relative to the staple deck between an unfired position and a fired position, and the trocar configured to selectively couple with the anvil and actuate relative to the staple dreck. The first trocar closure assembly can actuate in a first motion to drive the trocar between a distal position and a first closed position. The second trocar closure assembly can actuate in a second motion between the first closed position and a second closed position. The staple drive is inoperable at least until the first trocar closure assembly actuates the trocar to the first closed position

    Threaded cannula depth limiter
    7.
    发明授权

    公开(公告)号:US12213699B2

    公开(公告)日:2025-02-04

    申请号:US17213415

    申请日:2021-03-26

    Abstract: A surgical access device assembly. The assembly includes a cannula having a working channel and a helical tissue engagement feature disposed along an outer surface of the cannula and configured to stabilize the cannula relative to a body cavity wall of a patient. The assembly also includes a depth limiter movably coupled with the cannula. The depth limiter includes a body portion extending about a central axis of the depth limiter and including a protrusion extending radially inwardly relative to the central axis. The body portion is movable angularly relative to the cannula between a fine adjustment configuration and a coarse adjustment configuration. In the fine adjustment configuration the protrusion is configured to selectively threadably engage the helical tissue engagement feature. In the coarse adjustment configuration the protrusion is configured to selectively threadably disengage the helical tissue engagement feature such that the depth limiter is translatable axially along the cannula.

    BALANCING FEATURE FOR REUSABLE TROCAR
    10.
    发明公开

    公开(公告)号:US20230225759A1

    公开(公告)日:2023-07-20

    申请号:US18077326

    申请日:2022-12-08

    Inventor: Gregory G. Scott

    CPC classification number: A61B17/3423 A61B17/3415 A61B2017/3488 A61M13/003

    Abstract: A surgical access device assembly includes a cannula hub and a cannula tube. The cannula tube extends distally from the cannula hub along a longitudinal axis. The cannula tube defines a working channel. The cannula tube includes a tissue engagement feature and a balancing feature. The balancing feature is configured to promote lateral stability of the cannula tube and the cannula hub relative to the body cavity wall of the patient. The balancing feature includes a proximal portion of the cannula tube having a first wall thickness. The balancing feature also includes a distal portion of the cannula tube having a second wall thickness that is greater than the first wall thickness. At least a portion of the proximal portion is proximal relative to the tissue engagement feature. At least a portion of the distal portion is distal relative to the tissue engagement feature.

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