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    • 2. 发明授权
    • System and method for improved start-up of self-oscillating electro-mechanical surgical devices
    • 自振式机电手术装置启动的系统和方法
    • US08258886B2
    • 2012-09-04
    • US12750419
    • 2010-03-30
    • James A. Gilbert
    • James A. Gilbert
    • H03B5/30A61B8/00A61B17/32
    • A61B17/320092A61B2017/00017A61B2017/0015
    • An oscillating circuit for determining a resonant frequency of an electro-mechanical oscillating device and for driving the electro-mechanical oscillating device at the determined resonant frequency includes a driving circuit and a start-up, impetus injection circuit. The driving circuit is configured to receive one or more reference signals and further configured to provide a driving signal related to the reference signals to the electro-mechanical oscillating device. The start-up, impetus injection circuit is operably coupled to the electro-mechanical oscillating device and configured to selectively provide a start-up excitation signal to the electro-mechanical oscillation device. The start-up, impetus injection circuit is activated upon start-up of the oscillating circuit to drive the electro-mechanical oscillation device and the driving circuit determines a resonant frequency by measuring a parameter related to the resonant frequency of the electro-mechanical oscillating device.
    • 用于确定机电振荡装置的谐振频率并用于以确定的谐振频率驱动机电振荡装置的振荡电路包括驱动电路和启动动力注入电路。 驱动电路被配置为接收一个或多个参考信号,并且还被配置为向机电摆动装置提供与参考信号相关的驱动信号。 启动动力注入电路可操作地耦合到机电振荡装置并且被配置为选择性地向机电振荡装置提供启动激励信号。 启动动力注入电路在振荡电路启动时被激活以驱动机电振荡装置,并且驱动电路通过测量与机电振荡装置的谐振频率相关的参数来确定谐振频率 。
    • 4. 发明申请
    • System and Method for Improved Start-Up of Self-Oscillating Electro-Mechanical Surgical Devices
    • 自振振荡机电手术器械的改进系统及方法
    • US20110241786A1
    • 2011-10-06
    • US12750419
    • 2010-03-30
    • James A. Gilbert
    • James A. Gilbert
    • H03L7/07
    • A61B17/320092A61B2017/00017A61B2017/0015
    • An oscillating circuit for determining a resonant frequency of an electro-mechanical oscillating device and for driving the electro-mechanical oscillating device at the determined resonant frequency includes a driving circuit and a start-up, impetus injection circuit. The driving circuit is configured to receive one or more reference signals and further configured to provide a driving signal related to the reference signals to the electro-mechanical oscillating device. The start-up, impetus injection circuit is operably coupled to the electro-mechanical oscillating device and configured to selectively provide a start-up excitation signal to the electro-mechanical oscillation device. The start-up, impetus injection circuit is activated upon start-up of the oscillating circuit to drive the electro-mechanical oscillation device and the driving circuit determines a resonant frequency by measuring a parameter related to the resonant frequency of the electro-mechanical oscillating device.
    • 用于确定机电振荡装置的谐振频率并用于以所确定的谐振频率驱动机电振荡装置的振荡电路包括驱动电路和启动动力注入电路。 驱动电路被配置为接收一个或多个参考信号,并且还被配置为向机电摆动装置提供与参考信号相关的驱动信号。 启动动力注入电路可操作地耦合到机电振荡装置并且被配置为选择性地向机电振荡装置提供启动激励信号。 启动动力注入电路在振荡电路启动时被激活以驱动机电振荡装置,并且驱动电路通过测量与机电振荡装置的谐振频率相关的参数来确定谐振频率 。
    • 6. 发明授权
    • Ultrasonic knife
    • 超声刀
    • US5342380A
    • 1994-08-30
    • US55042
    • 1993-04-29
    • Larry L. Hood
    • Larry L. Hood
    • A61B17/00A61B17/32A61B19/00
    • A61B17/320068A61B17/3213A61B2017/0015A61B2017/320088A61B2090/038
    • Disclosed is an improved ultrasonic knife of the type for surgical incision in various types of tissue and/or for the removal of cement within the body. The knife has a reduced thermal footprint to minimize thermally induced tissue damage. Tooth configuration on the knife cooperates with the stroke of the ultrasonic drive to produce efficient cutting, as well as tactile feedback to the surgeon with respect to the rate of cutting, and changes in tissue density. Ultrasonic knife tip extenders are also disclosed for advancing the ultrasonic knife tip through the working channel of an endoscope. Methods utilizing the foregoing apparatus are also disclosed.
    • 公开了一种用于各种类型的组织中的手术切口类型和/或用于在体内除去水泥的改进型超声波刀。 刀具具有减少的热足迹以最小化热诱导的组织损伤。 刀上的牙齿配置与超声波驱动器的行程配合,以便相对于切割速率和组织密度的变化产生有效的切割以及对外科医生的触觉反馈。 还公开了超声刀尖延伸器,用于使超声波刀尖通过内窥镜的工作通道。 还公开了利用上述装置的方法。