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Tuned return electrode with matching inductor

  • US 7,169,145 B2
  • Filed: 11/21/2003
  • Issued: 01/30/2007
  • Est. Priority Date: 11/21/2003
  • Status: Active Grant
First Claim
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1. An electrosurgical apparatus comprising:

  • (a) an electrosurgical return electrode having a bulk impedance sufficient to limit the density of an electrosurgical current to safe levels; and

    (b) an inductor coupled in series with the electrosurgical return electrode, wherein the inductor counteracts at least a portion of an effective impedance of the electrosurgical return electrode and a patient.

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