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Method and apparatus for ablation

  • US 5,405,376 A
  • Filed: 08/27/1993
  • Issued: 04/11/1995
  • Est. Priority Date: 08/27/1993
  • Status: Expired due to Term
First Claim
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1. An ablation catheter system, comprising:

  • an elongated catheter body having a proximal end, a distal end and an internal longitudinal lumen;

    a hollow helical needle mounted to the proximal end of said catheter body and having an internal lumen coupled to the internal lumen of said catheter body; and

    ablation fluid delivery means coupled to the internal lumen of said catheter body for delivering an ablation fluid under pressure to said internal lumen of said catheter body.

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