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RF Generator System for Surgical Vessel Sealing

  • US 20120098351A1
  • Filed: 10/20/2011
  • Published: 04/26/2012
  • Est. Priority Date: 10/22/2010
  • Status: Active Grant
First Claim
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1. A method of providing power to an electrosurgical instrument comprising:

  • generating a non-sinusoidal driving voltage having a substantially constant driving frequency;

    providing the non-sinusoidal driving voltage to an LC circuit having a resonant frequency of substantially twice the substantially constant driving frequency;

    generating a quasi-sinusoidal current in the LC circuit from the non-sinusoidal driving voltage; and

    providing the quasi-sinusoidal current to an electrical output, wherein the electrical output is configured for coupling to an electrical input of a surgical instrument.

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