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Apparatus and method for diagnosis and therapy of electrophysiological disease

  • US 6,484,727 B1
  • Filed: 11/15/1999
  • Issued: 11/26/2002
  • Est. Priority Date: 10/22/1996
  • Status: Expired due to Term
First Claim
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1. A method of positioning an ablating surface against tissue, comprising the steps of:

  • providing an ablating device having a first ablating portion, a second ablating portion and an end;

    introducing the ablating device into the space between the pericardium and the epicardium;

    positioning the end of the ablating element in the transverse pericardial sinus so that the first ablating surface is positioned in the transverse pericardial sinus; and

    moving the second ablating portion toward the pulmonary veins after the positioning step; and

    ablating the tissue adjacent to the pulmonary veins with the first and second ablating portions.

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