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    ELECTROSURGICAL FORCEPS FOR VIDEO ASSISTED THORACOSCOPIC SURGERY AND OTHER SURGICAL PROCEDURES
    21.
    发明申请
    ELECTROSURGICAL FORCEPS FOR VIDEO ASSISTED THORACOSCOPIC SURGERY AND OTHER SURGICAL PROCEDURES 审中-公开

    公开(公告)号：US20200253630A1

    公开(公告)日：2020-08-13

    申请号：US16860360

    申请日：2020-04-28

    Applicant: Covidien LP

    Inventor： Scott E. Frushour ,  Eric R. Larson

    IPC: A61B17/32 ,  A61B17/29 ,  A61B17/00

    Abstract: A surgical instrument includes a shaft defining an axis, an end effector coupled to a distal portion thereof, a fixed handle coupled to a proximal portion thereof, a drive bar, a movable handle, and a linkage. The drive bar is disposed within the shaft and operably coupled to the end effector. The movable handle is movable relative to the fixed handle between open and closed positions and is coupled to the drive bar via a first pin on the axis. The linkage includes a first end portion coupled to the movable handle via a second pin and a second end portion coupled to the shaft via a third pin on the axis. In the closed position of the movable handle, the second pin is disposed in a near-over-center position relative to the axis to reduce a force necessary to maintain the movable handle in the closed position.

    Devices, systems, and methods for cooling a surgical instrument
    22.
    发明授权
    Devices, systems, and methods for cooling a surgical instrument 有权

    公开(公告)号：US10456156B2

    公开(公告)日：2019-10-29

    申请号：US15462812

    申请日：2017-03-18

    Applicant: COVIDIEN LP

    Inventor： Robert B. Stoddard ,  Eric R. Larson ,  Scott E. M. Frushour ,  David N. Heard

    IPC: A61B17/32 ,  A61B18/00 ,  A61B18/14 ,  A61B17/00 ,  A61N7/02

    Abstract: A surgical system includes an ultrasonic surgical instrument and a cooling module. The instrument includes a waveguide defining a blade and having a lumen, an inflow conduit disposed in communication with the lumen and configured to supply fluid to the lumen, and a return conduit disposed in communication with the lumen and configured to receive fluid from the lumen. The cooling module includes a pump assembly operably coupled to the inflow and return conduits and configured to pump fluid through the inflow conduit, into the lumen, and back through the return conduit for cooling the blade. The cooling module also includes at least one sensor configured to sense a property of the fluid pumped into the inflow conduit and/or a property of the fluid returned from the return conduit, and a controller configured to control the pump assembly according to the sensed property(s).

    Ultrasonic surgical instrument with cooling system
    23.
    发明授权
    Ultrasonic surgical instrument with cooling system 有权

    公开(公告)号：US10363060B2

    公开(公告)日：2019-07-30

    申请号：US15451590

    申请日：2017-03-07

    Applicant: COVIDIEN LP

    Inventor： Robert B. Stoddard ,  Eric R. Larson

    IPC: A61B17/00 ,  A61B17/32

    Abstract: An ultrasonic surgical instrument includes a cooling system having a blade conduit disposed within the blade and a cooling fluid. The cooling fluid configured to absorb heat from the blade as the cooling fluid flows through the blade conduit. A surgical system having an ultrasonic surgical instrument and a cooling system is also disclosed. The cooling system can include a fluid control system that automatically pumps a cooling fluid through a blade conduit disposed within the blade of the surgical instrument based on feedback received from sensors.

    Transducer/waveguide engagement mechanisms for ultrasonic surgical instruments
    25.
    发明授权
    Transducer/waveguide engagement mechanisms for ultrasonic surgical instruments 有权
    超声波手术器械的传感器/波导接合机构

    公开(公告)号：US09345506B2

    公开(公告)日：2016-05-24

    申请号：US14230770

    申请日：2014-03-31

    Applicant: COVIDIEN LP

    Inventor： Robert B. Stoddard ,  James S. Cunningham ,  William J. Dickhans ,  Russell D. Hempstead ,  John J. Kappus ,  Duane E. Kerr ,  Eric R. Larson ,  William H. Nau, Jr. ,  Anthony B. Ross

    IPC: A61B17/32 ,  A61B17/00

    CPC classification number: A61B17/320092 ,  A61B17/320068 ,  A61B2017/00477 ,  A61B2017/00734

    Abstract: An ultrasonic surgical instrument includes a transducer assembly having a distal engagement member and configured to supply ultrasonic energy. A waveguide defines a longitudinal axis and has a proximal engagement member configured to threadingly engage the distal engagement member. The waveguide is configured to transmit the ultrasonic energy therealong to a distal end thereof for treating tissue. A torque member is coupled to the transducer assembly and is disposed about the longitudinal axis. The torque member is selectively rotatable about the longitudinal axis and relative to the waveguide to threadingly engage the transducer assembly and the waveguide to one another. The torque member includes a plurality of fingers pivotably coupled thereto and movable between a closed position and an open position. In the open position, each finger extends substantially perpendicularly from the longitudinal axis to define a moment arm that facilitates the engagement of the transducer assembly and the waveguide.

    Abstract translation: 超声波手术器械包括具有远端接合构件并构造成供应超声波能量的换能器组件。 波导限定纵向轴线并且具有构造成螺纹接合远侧接合构件的近侧接合构件。 波导被配置成将其上的超声波能量传送到其远端以处理组织。 扭矩构件联接到换能器组件并围绕纵向轴线设置。 扭矩构件可以围绕纵向轴线和相对于波导选择性地旋转，以将换能器组件和波导彼此螺纹地接合。 扭矩构件包括可枢转地联接到其上的多个指状件，并且可在关闭位置和打开位置之间移动。 在打开位置，每个指状件从纵向轴线基本上垂直地延伸以限定促使换能器组件和波导的接合的力矩臂。

    ENDOSCOPIC INSTRUMENT
    26.
    发明公开
    ENDOSCOPIC INSTRUMENT 审中-公开

    公开(公告)号：US20230346410A1

    公开(公告)日：2023-11-02

    申请号：US18347038

    申请日：2023-07-05

    Applicant: Covidien LP

    Inventor： Robert B. Stoddard ,  James S. Cunningham ,  William J. Dickhans ,  Russell D. Hempstead ,  Eric R. Larson ,  Duane E. Kerr ,  William H. Nau, Jr. ,  Anthony B. Ross ,  John J. Kappus

    IPC: A61B17/29

    CPC classification number: A61B17/29 ,  A61B2017/320095

    Abstract: An endoscopic instrument is provided and includes a housing including an elongated shaft assembly extending distally therefrom. The elongated shaft assembly includes inner and outer shaft members. The inner and outer shaft members are removably coupled to the housing and the outer shaft member is movable with respect to the inner shaft member. An end effector is operably supported at the distal end of the outer shaft member and includes a pair of jaw members configured for treating tissue. A bushing operably couples to the inner and outer shaft members of the shaft assembly and selectively and releasably couples to the housing. The bushing includes one or more mechanical interfaces configured to engage one or more slots defined through the inner shaft member and one or more slots defined through the outer shaft member to release the inner and outer shaft members from the housing.

    ULTRASONIC SURGICAL INSTRUMENT WITH COOLING SYSTEM
    29.
    发明申请
    ULTRASONIC SURGICAL INSTRUMENT WITH COOLING SYSTEM 审中-公开

    公开(公告)号：US20200094081A1

    公开(公告)日：2020-03-26

    申请号：US16696208

    申请日：2019-11-26

    Applicant: COVIDIEN LP

    Inventor： Robert B. Stoddard ,  Eric R. Larson

    IPC: A61N7/00 ,  A61B17/32

    Abstract: An ultrasonic surgical instrument including a blade that treats tissue and a fluid control system to cool the blade by pumping cooling fluid through the blade. The blade defines a blade lumen in fluid contact with an inflow and return conduit of the fluid control system. The inflow conduit defines an open distal end positioned within the blade lumen adjacent the distal end of the blade lumen and the return conduit defines an open distal end positioned within the blade lumen adjacent the proximal end of the blade lumen. The fluid control system may further include a fluid reservoir holding the cooling fluid and an inflow pump. The inflow pump is configured to deliver the fluid from the fluid reservoir, through the inflow conduit and the blade lumen, and into return conduit.

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