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    • 22. 发明申请
    • SURGICAL INSTRUMENT HAVING A POWER CONTROL CIRCUIT
    • 具有电源控制电路的外科仪器
    • US20120080477A1
    • 2012-04-05
    • US12896381
    • 2010-10-01
    • Richard L. LeimbachRichard F. SchwembergerBrett E. Swensgard
    • Richard L. LeimbachRichard F. SchwembergerBrett E. Swensgard
    • A61B17/068
    • A61B17/10A61B17/068A61B17/07207A61B2017/00398A61B2017/00734A61B2017/07214A61B2017/2923G06F19/00H01M10/42H01M2200/103H01M2220/30H02J7/0068
    • Various embodiments are directed to a powered surgical instrument for cutting and fastening tissue. The instrument may comprise an end effector comprising a first jaw member and a second jaw member. The second jaw member may be coupled to move relative to the first jaw member from an open position, where the jaw members are apart from one another, to a closed position. The end effector may also comprise a firing bar positioned to fire by translating within the end effector when the first and second jaw members are in the closed position. Additionally, the surgical instrument may comprise a drive device, a clamping trigger and a control circuit. The drive device may be mechanically coupled to the firing bar. The clamping trigger may be mechanically coupled to the end effector such that actuation of the clamping trigger causes the second jaw member to pivot towards the first jaw member. The control circuit may comprise a firing switch, a clamp switch, a latching device and an end-of-stroke sensor. The firing switch may be configured to be in electrical communication with a power supply for powering the drive device and in electrical communication with the drive device. The clamp switch may be in mechanical communication with the clamping trigger. The latching device may be in electrical communication with the clamp switch, the power supply and the drive device. The end-of-stroke switch may be in electrical communication with the latching device. Additionally, the firing switch may be electrically connected to, upon actuation, connect the power supply to the drive device via a first connection comprising the latching device and the firing switch. Further, the end-of-stroke switch may be electrically connected to, upon sensing an end of a stroke of the firing bar, cause a change in a state of the latching device to break the first connection between the power supply and the drive device.
    • 各种实施例涉及用于切割和紧固组织的动力手术器械。 仪器可以包括端部执行器,其包括第一钳口构件和第二钳口构件。 第二钳口构件可以联接成相对于第一钳口构件从打开位置移动,其中钳口构件彼此分开到关闭位置。 末端执行器还可以包括击发杆,其通过在第一和第二钳口构件处于关闭位置时在端部执行器内平移而定位成起火。 另外,外科器械可以包括驱动装置,夹紧触发器和控制电路。 驱动装置可以机械地联接到击发杆。 夹紧扳机可以机械地联接到端部执行器,使得夹紧扳机的致动使得第二钳口构件朝向第一钳口构件枢转。 控制电路可以包括点火开关,夹紧开关,闭锁装置和行程终点传感器。 点火开关可以被配置为与用于为驱动装置供电并与驱动装置电气通信的电源电连通。 夹紧开关可能与夹紧扳机机械连通。 闩锁装置可以与夹紧开关,电源和驱动装置电连通。 行程终点开关可以与闩锁装置电连通。 此外,点火开关可以在致动时电连接到经由包括闩锁装置和点火开关的第一连接器将电源连接到驱动装置。 此外,行程结束开关可以在感测到击发杆的冲程的结束时电连接到引起闩锁装置的状态的改变以断开电源和驱动装置之间的第一连接 。
    • 25. 发明授权
    • Finger operated switch for controlling a surgical handpiece
    • 用于控制外科手机的手指开关
    • US07883465B2
    • 2011-02-08
    • US10716127
    • 2003-11-17
    • William T. DonofrioRichard M. HarperRichard F. SchwembergerRobert P. GillMary E. SchrammJason A. Born
    • William T. DonofrioRichard M. HarperRichard F. SchwembergerRobert P. GillMary E. SchrammJason A. Born
    • A61B8/00
    • A61B17/320068A61B2017/00367H01H2300/014H01H2300/022
    • According to the invention, a finger-operated switch for activating and operating an ultrasonic surgical handpiece is provided. The power output of the surgical handpiece is responsive and proportional to the pressure applied to the finger-operated switch. The finger-operated switch includes, but not limited to, force sensitive resistors whose resistance is proportional to the force applied by the finger of the human operator of the surgical handpiece, force sensitive capacitors whose capacitance is proportional to the pressure, deflection or compression of the insulation layer between two electrodes or is proportional to the spacing between the two conductive layers, strain gauges mounted underneath or integral to the housing of the surgical handpiece such that the pressure applied thereto results in an output change in the strain gauges, magnets or ferromagnets encased or embedded in an elastomer with a sensor inside the surgical handpiece that detects the field strength of the magnet and monitors changes relative to the force applied to the handpiece housing, and piezo film or piezo ceramic whose charge or voltage is proportional to the force applied.
    • 根据本发明,提供了一种用于激活和操作超声外科手术器械的手指操作开关。 外科手持式手持件的动力输出响应并与施加到手指操作的开关上的压力成比例。 手指操作的开关包括但不限于其电阻与外科手持机的操作人员的手指所施加的力成比例的力敏电阻器,其电容与压力,偏转或压缩成比例的强力敏感电容器 两个电极之间的绝缘层或与两个导电层之间的间隔成比例,应变计安装在外科手术机壳的外壳下面或与外科手持机壳的外壳一体,使得施加到其上的压力导致应变仪,磁体或铁磁体中的输出变化 封装或嵌入弹性体中,外科手术器具中的传感器检测磁体的场强,并监测相对于施加到手持件壳体的力的变化,以及压电膜或压电陶瓷,其电荷或电压与施加的力成比例 。
    • 27. 发明申请
    • Surgical Instrument
    • 手术器械
    • US20080300627A1
    • 2008-12-04
    • US11755454
    • 2007-05-30
    • John P. MeasamerMichael S. CropperRichard F. Schwemberger
    • John P. MeasamerMichael S. CropperRichard F. Schwemberger
    • A61B17/068
    • A61B17/0643A61B17/068A61B2017/00827
    • A surgical instrument for applying a fastener to tissue. The fastener includes a male component including a base having a hole, a needle receivable in the hole, and a female component including a base and a recess for receiving the needle. The instrument includes a shaft, a first jaw pivotally mounted on the shaft including a receiver for holding the base one component, and a second jaw statically mounted on the shaft including a receiver for releasably holding the base the other component. The first jaw is moveable between an open position and a closed position. The first and/or second jaw includes a channel for slideably receiving a needle. The instrument includes a mechanism for moving the first jaw between the open and closed positions and an ejector for driving the needle through the hole in the male component, through tissue and into the recess of the female component.
    • 一种用于将紧固件施加到组织的手术器械。 紧固件包括:阳部件,其包括具有孔的基部,可接收在孔中的针,以及包括基部和用于接收针的凹部的阴部件。 该仪器包括轴,枢转地安装在轴上的第一夹爪,包括用于保持基部一个部件的接收器,以及静态安装在轴上的第二钳口,其包括用于可释放地将基座保持在另一个部件上的接收器。 第一钳口可在打开位置和关闭位置之间移动。 第一和/或第二钳口包括用于可滑动地接收针的通道。 该仪器包括用于在打开和关闭位置之间移动第一钳口的机构和用于通过组件通过组件并进入阴部件的凹部中的用于驱动针穿过阳部件中的孔的喷射器。