RF treatment apparatus

  • US 5,935,123 A
  • Filed: 03/29/1996
  • Issued: 08/10/1999
  • Est. Priority Date: 11/08/1993
  • Status: Expired due to Term
First Claim
Patent Images

1. A tissue ablation apparatus, comprising:

  • an elongated delivery device with a tissue piercing distal end and a proximal end;

    an RF electrode with a tissue piercing distal tip, the RF electrode being positionable in the delivery device as the delivery device is advanced through tissue, the RF electrode having a non-deployed state when positioned in the delivery device and a deployed state with curvature as the RF electrode is advanced from the delivery device into a selected tissue site; and

    an electrode advancement member coupled to the RF electrode for advancing the RF electrode out of the elongated delivery device, wherein the elongated delivery device, the RF electrode and the electrode advancement member form an integral unit.

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