Invention Grant
US08968295B2 Electrosurgical apparatus with high speed energy recovery 有权
具有高速能量回收的电外科手术器械

  • Patent Title: Electrosurgical apparatus with high speed energy recovery
  • Patent Title (中): 具有高速能量回收的电外科手术器械
  • Application No.: US13627136
    Application Date: 2012-09-26
  • Publication No.: US08968295B2
    Publication Date: 2015-03-03
  • Inventor: James H. Orszulak
  • Applicant: TYCO Healthcare Group LP
  • Applicant Address: US MA Mansfield
  • Assignee: Covidien LP
  • Current Assignee: Covidien LP
  • Current Assignee Address: US MA Mansfield
  • Main IPC: A61B18/04
  • IPC: A61B18/04 A61B18/18
Electrosurgical apparatus with high speed energy recovery
Abstract:
A circuit for controlling the discharging of stored energy in an electrosurgical generator includes a pulse modulator which controls an output of a power supply. At least one comparator is configured to provide an error signal to the pulse modulator based on a comparison between an output signal generated by the power supply and a feedback signal generated in response to the application of energy to tissue. A discharge circuit is configured to control the discharge of the output of the power supply to an inductive load disposed in parallel with the output of the power supply based on the comparison between the output signal and the feedback signal. The discharge circuit provides a rapid response and time rate control of the delivered electrosurgical energy by controlling the power supply and delivered RF energy in real time, based on a feedback signal generated in response to the application of energy to tissue.
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