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    LOCKOUT MECHANISMS FOR SURGICAL DEVICES
    21.
    发明申请
    LOCKOUT MECHANISMS FOR SURGICAL DEVICES 审中-公开

    公开(公告)号：US20170281211A1

    公开(公告)日：2017-10-05

    申请号：US15624214

    申请日：2017-06-15

    Applicant: Ethicon LLC

    Inventor： Geoffrey S. Strobl ,  Mark A. Davison ,  Megan A. Broderick ,  Chad P. Boudreaux

    IPC: A61B17/3201 ,  A61B18/18

    CPC classification number: A61B17/3201 ,  A61B18/1445 ,  A61B18/18 ,  A61B2017/2946 ,  A61B2018/1452 ,  A61B2018/1455 ,  A61B2090/034

    Abstract: Various surgical devices are provided having mechanisms for preventing premature actuation of a cutting mechanism. These devices generally include a handle having one or more actuators and an effector disposed at a distal end of the device and configured to grasp tissue. When the end effector is in an open position, a firing actuator can be positioned so that it cannot be actuated by a user. For example, the firing actuator can be obstructed by a shield or arm when the end effector is in the open position. In other embodiments, the firing actuator can be hidden in a recess formed in the closure actuator until the end effector is moved to the closed position. When the end effector is in the closed position, the firing actuator can be engaged to advance a cutting mechanism, thereby cutting the tissue grasped by the end effector.

    Methods and systems for advanced harmonic energy
    22.
    发明授权
    Methods and systems for advanced harmonic energy 有权

    公开(公告)号：US11344362B2

    公开(公告)日：2022-05-31

    申请号：US16531591

    申请日：2019-08-05

    Applicant: Ethicon LLC

    Inventor： David C. Yates ,  Amy M. Krumm ,  Mark A. Davison

    IPC: A61B18/12 ,  A61B18/14 ,  A61B17/32 ,  A61B18/00

    Abstract: Aspects of the present disclosure are presented for a medical instrument configured to adjust the power level for sealing procedures to account for changes in tissue impedance levels over time. In some aspects, a medical instrument may be configured to apply power according to a power algorithm to seal tissue by applying a gradually lower amount of power over to time as the tissue impedance level begins to rise out of the “bathtub region,” which is the time period during energy application where the tissue impedance is low enough for electrosurgical energy to be effective for sealing tissue. In some aspects, the power is then cut once the tissue impedance level exceeds the “bathtub region.” By gradually reducing the power, a balance is achieved between still applying an effective level of power for sealing and prolonging the time in which the tissue impedance remains in the “bathtub region.”

    ARTICULATION JOINT WITH HELICAL LUMEN
    23.
    发明申请
    ARTICULATION JOINT WITH HELICAL LUMEN 有权

    公开(公告)号：US20210129357A1

    公开(公告)日：2021-05-06

    申请号：US17029713

    申请日：2020-09-23

    Applicant: Ethicon LLC

    Inventor： Mark A. Davison ,  Jason A. Hill ,  William G. Saulenas ,  Christopher W. Birri ,  Thomas J. Erb

    IPC: B25J17/02 ,  A61B34/30 ,  B25J15/08

    Abstract: A surgical instrument and method of operating same includes an end effector and a shaft assembly. The shaft assembly has proximal and distal shaft portions respectively extending along proximal and distal axes, a first elongate member, and an articulation section. The articulation section extends between the proximal and distal shaft portions and is configured to articulate about a first articulation axis and about a second articulation axis to thereby respectively deflect the end effector along a first plane and a second plane. The articulation section has a first lumen radially offset from the proximal and distal axes that longitudinally intersects the first and second articulation axes. The first lumen movably supports the first elongate member such that the radial spacing of the first elongate member is maintained relative to the proximal and distal axes at each of the first and second articulation axes during deflection of the end effector.

    CONTROLLING IMPEDANCE RISE IN ELECTROSURGICAL MEDICAL DEVICES
    24.
    发明申请
    CONTROLLING IMPEDANCE RISE IN ELECTROSURGICAL MEDICAL DEVICES 审中-公开

    公开(公告)号：US20200054382A1

    公开(公告)日：2020-02-20

    申请号：US16505165

    申请日：2019-07-08

    Applicant: Ethicon LLC

    Inventor： David C. Yates ,  Jeffrey D. Messerly ,  Mark A. Davison

    IPC: A61B18/12

    Abstract: Various embodiments are directed to electrosurgical systems for providing an electrosurgical signal to a patient. A control circuit may, for a first application period, apply the electrosurgical signal to first and second electrodes according to a first mode. In the first mode, the control circuit may limit the electrosurgical signal to a first maximum power when the impedance between the first and second electrodes exceeds a first mode threshold. The control circuit may also, for a second application period after the first application period, apply the electrosurgical signal according to a second mode. In the second mode, the control circuit may limit the electrosurgical signal to a second mode maximum power when the impedance between the first and second electrodes exceeds a second mode threshold. The second maximum power may be greater than the first maximum power.

    SHAFT MODULE CIRCUITRY ARRANGEMENTS
    25.
    发明申请
    SHAFT MODULE CIRCUITRY ARRANGEMENTS 审中-公开

    公开(公告)号：US20190000525A1

    公开(公告)日：2019-01-03

    申请号：US15636110

    申请日：2017-06-28

    Applicant: Ethicon LLC

    Inventor： Jeffrey D. Messerly ,  David C. Yates ,  Mark A. Davison ,  Jason L. Harris ,  Frederick E. Shelton, IV

    IPC: A61B18/12 ,  A61B18/14 ,  A61B17/072

    Abstract: Disclosed is an apparatus and modular surgical system that allows for a user of modular surgical instruments to manipulate an end effector directly from the instrumentation contained in the handle assembly. A nozzle assembly that is detachable from a handle assembly may include an onboard circuitry board that allows for the RF generator to attach directly to the nozzle assembly and supply RF energy to the end effector, while also interfacing with a microprocessor of the handle assembly. In some aspects, the unique circuitry of the nozzle assembly also allows for shaft rotation while still supplying proper energy and functionality to the end effector.

    METHODS AND DEVICES FOR CONTROLLING MOTORIZED SURGICAL DEVICES
    26.
    发明申请
    METHODS AND DEVICES FOR CONTROLLING MOTORIZED SURGICAL DEVICES 审中-公开

    公开(公告)号：US20180280076A1

    公开(公告)日：2018-10-04

    申请号：US15964577

    申请日：2018-04-27

    Applicant: Ethicon LLC

    Inventor： Gregory A. Trees ,  Chad P. Boudreaux ,  Matthew C. Miller ,  Mark A. Davison ,  David C. Yates ,  John A. Hibner ,  Jill A. Inkrott-Smith

    IPC: A61B18/14 ,  A61B18/00

    Abstract: Methods and devices for controlling motorized surgical devices are provided. In general, the methods and devices can allow a surgical device to grasp and cut tissue. In some embodiments, the device can include at least one sensor and a motor, and an output of the motor can be configured to be adjusted based at least in part on an output from the at least one sensor. The output of the motor can be configured to provide power for translation of a cutting element along an end effector of the device. Adjusting the motor's output can cause the cutting element to translate through the end effector at different speeds, thereby allowing the cutting element to cut through tissue being grasped by the end effector at different speeds.

    SYSTEMS AND METHODS FOR CONTROLLING CONTROL CIRCUITS FOR INDEPENDENT ENERGY DELIVERY OVER SEGMENTED SECTIONS
    30.
    发明申请
    SYSTEMS AND METHODS FOR CONTROLLING CONTROL CIRCUITS FOR INDEPENDENT ENERGY DELIVERY OVER SEGMENTED SECTIONS 有权

    公开(公告)号：US20210068891A1

    公开(公告)日：2021-03-11

    申请号：US17022371

    申请日：2020-09-16

    Applicant: Ethicon LLC

    Inventor： Jeffrey D. Messerly ,  David C. Yates ,  Jason L. Harris ,  Frederick E. Shelton, IV ,  Mark A. Davison

    IPC: A61B18/14 ,  A61B17/072 ,  A61B18/12

    Abstract: The present disclosure provides a surgical instrument that includes an end effector having a first jaw, a second jaw that is movable relative to the first jaw, and at least one electrode in the first jaw. The surgical instrument also includes a control circuit configured to provide electrosurgical energy to the at least one electrode and a electrical conductor electrically connected between the end effector and the control circuit. The control circuit includes a shaft control segment and an electrosurgical energy control segment. The shaft control segment is configured to provide a control signal for operating the end effector to the end effector through the electrical conductor. The electrosurgical energy control segment is configured to provide the electrosurgical energy to the at least one electrode through the electrical conductor.

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