07160296 is referenced by 312 patents and cites 23 patents.

A tissue-ablation method and apparatus are disclosed. The apparatus includes a plurality of RF ablation electrodes, and a plurality of sensor elements, each movable from retracted to deployed positions in a tissue to be ablated. A control device in the apparatus is operatively connected to the electrodes for supplying an RF power to the electrodes, to produce tissue ablation that advances from individual-electrode ablation regions to fill a combined-electrode ablation volume. The control device is operatively connected to the sensor elements for determining the extent of ablation in the regions of the sensor elements. The supply of RF power to the electrodes can thus be regulated to control the level and extent of tissue ablation throughout the combined-electrode volume. The electrodes are preferably hollow-needle electrodes through which liquid can be infused into the tissue, also under the control of the control unit, to modulate and optimize tissue ablation.

Title
Tissue ablation apparatus and method
Application Number
10/142713
Publication Number
7160296 (B2)
Application Date
May 10, 2002
Publication Date
January 9, 2007
Inventor
Martha Getaneh
San Jose
CA, US
Jessica Liang
Redwood City
CA, US
Kee S Lee
Newark
CA, US
Daniel J Balbierz
Redwood City
CA, US
Steve A Daniel
Fremont
CA, US
Rob Pearson
San Jose
CA, US
Agent
Perkins Coie
Peter J Dehlinger
Jacqueline F Mahoney
Assignee
Rita Medical Systems
CA, US
IPC
A61B 18/18
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