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System for electrosurgical myocardial revascularization

  • US 7,422,585 B1
  • Filed: 07/06/1999
  • Issued: 09/09/2008
  • Est. Priority Date: 01/07/1992
  • Status: Expired due to Fees
First Claim
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1. A method of revascularizing a portion of a patient'"'"'s myocardium comprising:

  • positioning an active electrode in close proximity to a target site on a wall of the patient'"'"'s heart wherein the active electrode comprises an electrode array including a plurality of isolated electrode terminals;

    contacting the active electrode with an electrically conducting fluid disposed in a space between the active electrode and the target site;

    inducing discharge of energetic electrons and photons from the conducting fluid by applying a sufficient high-frequency voltage between the active electrode and a return electrode; and

    directing the energetic electrons and photons to ablate tissue at the heart wall to form a revascularizing channel through at least a portion of the heart wall.

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