Surgical jaw coupling methods and devices

    公开(公告)号:US11134968B2

    公开(公告)日:2021-10-05

    申请号:US14659107

    申请日:2015-03-16

    摘要: A surgical end effector is provided having upper and lower jaws pivotally coupled to one another by at least one connecting member that is configured to allow a gap between the jaws to be set at a desired height. In one embodiment, the connecting member can be pivotably coupled to the upper jaw and fixed within a slot in the lower jaw. The connecting member can be fixed within the slot in one of multiple positions so as to position first and second tissue contacting surfaces of the upper and lower jaws at a predetermined distance from one another when the first and second jaws are in the closed position. The connecting member can include a pin formed thereon that extends into a bore formed in the upper jaw. Alternatively, the upper jaw can include a pin formed thereon that extends into a bore formed in the connecting member.

    ULTRASONIC SURGICAL INSTRUMENT WITH INTEGRAL TORQUE WRENCH AND TRANSVERSE ENGAGEMENT

    公开(公告)号:US20180161058A1

    公开(公告)日:2018-06-14

    申请号:US15378414

    申请日:2016-12-14

    发明人: Jason R. Lesko

    IPC分类号: A61B17/32 A61N7/02 A61B90/00

    摘要: A surgical instrument includes an instrument body, an ultrasonic transducer assembly, and a slip lock having a lock member configured to move between unlocked and locked positions and an arrester. The transducer assembly is rotatably mounted along a longitudinal axis within the body such that the transducer assembly is configured to selectively rotate. The arrester has a catch portion and a deflectable portion, which is configured to deflect relative to the transducer assembly. The catch portion is configured to seize the transducer assembly and selectively inhibit rotation for rotatably coupling with the acoustic waveguide up to a predetermined torque. The deflectable portion is configured to deflect relative to the transducer assembly upon receiving a torque greater than the predetermined torque. Accordingly, the catch portion releases the transducer assembly to slip relative to the catch portion for limiting coupling of the transducer assembly with the acoustic waveguide to the predetermined torque.

    Drive Screw Bailout for Motorized RF Device
    6.
    发明申请

    公开(公告)号:US20170135748A1

    公开(公告)日:2017-05-18

    申请号:US14940439

    申请日:2015-11-13

    IPC分类号: A61B18/14 F16H25/20

    摘要: Methods and devices are provided for retracting a cutting assembly in the event of a failure on a motorized electrosurgical device. As an example, a surgical device is provided that includes a handle portion with an elongate shaft extending distally that has first and second jaws configured to engage tissue therebetween. A cutting assembly cuts tissue engaged between the first and second jaws. A drive shaft extends from the handle through the elongate shaft and moves the cutting assembly. A motorized gear assembly moves the drive shaft. The drive shaft is movable between a first position in which the drive shaft is engaged with the motorized gear assembly such that actuation of the motorized gear assembly drives the drive shaft, and a second position in which the drive shaft is disengaged from the motorized gear assembly such that the drive shaft can move independent of the gear assembly.

    SURGICAL INSTRUMENTS WITH FIRING SYSTEM OVERLOAD PROTECTION MECHANISMS
    7.
    发明申请
    SURGICAL INSTRUMENTS WITH FIRING SYSTEM OVERLOAD PROTECTION MECHANISMS 审中-公开
    具有火灾系统过载保护机制的手术仪器

    公开(公告)号:US20160278848A1

    公开(公告)日:2016-09-29

    申请号:US14666475

    申请日:2015-03-24

    IPC分类号: A61B18/14

    摘要: A surgical instrument that includes an end effector and a trigger that is actuatable between a first position and a second position. An actuation drive is movable between an unactuated position and an actuated position in response to actuation of the trigger. A toggle assembly is transitionable between a folded configuration and an expanded configuration, wherein the toggle assembly is configured to motivate the actuation drive to effectuate a movement in the end effector in the folded configuration. The toggle assembly being configured to bypass the actuation drive when in the expanded configuration. A resetting member is operable to return the toggle assembly to the folded configuration.

    摘要翻译: 一种外科器械,其包括端部执行器和可在第一位置和第二位置之间致动的触发器。 响应于触发器的致动,致动驱动器可在未致动位置和致动位置之间移动。 肘节组件在折叠构型和扩张构型之间可转换,其中肘节组件构造成激励致动驱动器以折叠构型实现端部执行器中的移动。 肘节组件被配置为在处于扩展构型时绕过致动驱动器。 复位构件可操作以将肘节组件返回到折叠构型。

    Ultrasonic surgical instrument with integral torque wrench and transverse engagement

    公开(公告)号:US10575917B2

    公开(公告)日:2020-03-03

    申请号:US15378414

    申请日:2016-12-14

    发明人: Jason R. Lesko

    摘要: A surgical instrument includes an instrument body, an ultrasonic transducer assembly, and a slip lock having a lock member configured to move between unlocked and locked positions and an arrester. The transducer assembly is rotatably mounted along a longitudinal axis within the body such that the transducer assembly is configured to selectively rotate. The arrester has a catch portion and a deflectable portion, which is configured to deflect relative to the transducer assembly. The catch portion is configured to seize the transducer assembly and selectively inhibit rotation for rotatably coupling with the acoustic waveguide up to a predetermined torque. The deflectable portion is configured to deflect relative to the transducer assembly upon receiving a torque greater than the predetermined torque. Accordingly, the catch portion releases the transducer assembly to slip relative to the catch portion for limiting coupling of the transducer assembly with the acoustic waveguide to the predetermined torque.

    Devices and methods for increasing rotational torque during end effector articulation

    公开(公告)号:US10357269B2

    公开(公告)日:2019-07-23

    申请号:US14959361

    申请日:2015-12-04

    摘要: Devices and methods for increasing rotational torque during end effector articulation are provided. In general, a surgical device can include an end effector configured to articulate. The end effector can be configured to move between different angular orientations relative to an elongate shaft of the device having the end effector at a distal end thereof. The elongate shaft and the end effector can be configured to be rotated relative to a handle portion of the device. The device can include at least one friction member configured to provide increased resistance to rotation of the elongate shaft and the end effector when the end effector is articulated as compared to when the end effector is not articulated. The at least one friction member can thus be configured to increase rotational torque when the end effector is articulated as compared to when the end effector is not articulated.

    ULTRASONIC SURGICAL INSTRUMENT WITH INTEGRAL SHAFT ASSEMBLY TORQUE WRENCH

    公开(公告)号:US20180161059A1

    公开(公告)日:2018-06-14

    申请号:US15378432

    申请日:2016-12-14

    IPC分类号: A61B17/32 A61N7/02 A61B90/00

    摘要: A surgical instrument includes an end effector, a shaft assembly, and a torque wrench integrally connected with the shaft assembly. The shaft assembly has an acoustic waveguide extending therethrough and the end effector projects distally from the shaft assembly. The acoustic waveguide has a proximal end portion configured to rotatably couple with an ultrasonic transducer assembly. The torque wrench is configured to transmit torque applied to the acoustic waveguide up to a predetermined torque. A portion of the torque wrench is configured to deflect upon receipt of torque greater than the predetermined torque. Accordingly, the portion of the torque wrench slips relative to the acoustic waveguide for limiting coupling of the acoustic waveguide to the ultrasonic transducer assembly to the predetermined torque.