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Helical coil apparatus for ablation of tissue

  • US 7,699,805 B2
  • Filed: 11/30/2007
  • Issued: 04/20/2010
  • Est. Priority Date: 07/07/1998
  • Status: Expired due to Term
First Claim
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1. A medical procedure comprising:

  • providing a medical device comprising first and second helical coils configured to engage bodily tissue, the first and second helical coils comprising at least one opening for delivery of a conductive fluid to a tissue treatment site, the first and second helical coils wound parallel to one another, the first and second helical coils configured to apply electric current to bodily tissue, the first helical coil serving as a first electrode of a bipolar electrode configuration and the second helical coil serving as the second electrode of the bipolar electrode configuration;

    maneuvering the first and second helical coils into contact with tissue;

    delivering the conductive fluid to the tissue; and

    applying electric current to the tissue.

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