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Circuit and method for reducing stored energy in an electrosurgical generator

  • US 20070093801A1
  • Filed: 10/21/2005
  • Published: 04/26/2007
  • Est. Priority Date: 10/21/2005
  • Status: Active Grant
First Claim
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1. A circuit for discharging stored energy in an electrosurgical generator comprising:

  • a pulse width modulator for controlling a high voltage power supply;

    an error signal generating circuit configured for delivering an error signal as a difference between an output signal voltage with a feedback voltage generated by the high voltage power supply, the error signal being transmitted to the pulse width modulator; and

    a switching circuit configured to switch in a load in parallel with an output of the high voltage power supply when the error signal is lesser than a first predetermined threshold to discharge the output.

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