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Heat treating a biological site in a patient's body

  • US 20080154255A1
  • Filed: 11/07/2007
  • Published: 06/26/2008
  • Est. Priority Date: 11/29/2006
  • Status: Active Grant
First Claim
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1. A system for heating a site in a patient'"'"'s body, the system includinga transformer having a primary winding and a secondary winding, the secondary winding having at least one tap to provide a patient reference and at least two sources of radio frequency (RF) energy, the two sources of RF energy being out of phase with each other;

  • anda group of electrodes connected to the sources of RF energy provided by the secondary winding to be simultaneously energised, the arrangement being such that there are more active electrodes connected to one of the sources of RF energy than the other of the sources of RF energy with the energy supplied to one active electrode being out of phase with the energy supplied to an adjacent active electrode.

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