Systems and methods for performing simultaneous ablation

Details Systems and methods for performing simultaneous ablation Systems and methods for performing simultaneous ablation

2005-10-25

2005-10-25

Rollins, Rosiland (Department: 3739)

Surgery

Instruments

Electrical application

C606S042000, C607S102000

Reexamination Certificate

active

06958064

ABSTRACT:
A system for treating tissue includes first and second ablation devices each including a plurality of wire electrodes and coupled to a generator in parallel. In one embodiment, the generator includes first and second terminals coupled in parallel to one another, and the first and second ablation devices are connected to the first and second terminals, respectively. Alternatively, the first and second ablation devices are coupled to a single terminal of the generator using a “Y” cable. A ground electrode is coupled to the generator opposite the first and second ablation devices for monopolar operation. The first and second arrays of electrodes are inserted into first and second sites adjacent one another within a tissue region. Energy is simultaneously delivered to the first and second arrays to generate lesions at the first and second sites preferably such that the first and second lesions overlap.

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PCT International Search Report for PCT/US2004/036479, Applicant: Scimed Life Systems, Inc., Forms PCT/ISA/210 and 220, dated Feb. 8, 2005 (7 pages).
PCT Written Opinion of the International Search Authority for PCT/US2004/036479, Applicant: Scimed Life Systems, Inc., Form PCT/ISA/237, dated Feb. 8, 2005 (4 pages).

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