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System and method for electrosurgical treatment of intervertebral discs

  • US 6,468,270 B1
  • Filed: 09/19/2000
  • Issued: 10/22/2002
  • Est. Priority Date: 06/07/1995
  • Status: Expired due to Term
First Claim
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1. A method for treating degenerative intervertebral discs comprising:

  • positioning one or more active electrode(s) adjacent to an annular fissure on the inner wall of the annulus fibrosis of an intervertebral disc;

    positioning one or more return electrode(s) in the vicinity of the active electrode(s) in or around the intervertebral disc;

    completing a current path between the active and return electrodes using an electrically conductive fluid; and

    applying a sufficient high frequency voltage difference between the active and return electrodes to shrink the collagen fibers in the annular fissure.

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