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Ablation methods and medical apparatus using same

  • US 6,709,432 B2
  • Filed: 04/26/2002
  • Issued: 03/23/2004
  • Est. Priority Date: 04/26/2002
  • Status: Active Grant
First Claim
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1. A method for use in ablating tissue, comprising:

  • providing a catheter comprising an ablation electrode;

    ablating tissue using the ablation electrode, wherein the ablation electrode directs electromagnetic energy to the tissue;

    detecting at least acoustical energy resulting from the ablation of tissue; and

    comparing the detected acoustical energy to at least a portion of an ECG waveform to determine stability of the catheter.

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