Circuit and method for reducing stored energy in an...

Details Circuit and method for reducing stored energy in an... Circuit and method for reducing stored energy in an...

A - Human Necessities

61

B

A61B 18/00 (2006.01) A61B 18/12 (2006.01)

Patent

CA 2564410

A circuit for discharging stored energy in an electrosurgical generator is disclosed. The circuit includes 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 is transmitted to the pulse width modulator. The circuit further includes 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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