Device and method for tissue ablation using bipolar...

Details Device and method for tissue ablation using bipolar... Device and method for tissue ablation using bipolar...

2006-10-03

2006-10-03

Cohen, Lee S. (Department: 3739)

Surgery

Instruments

Electrical application

Reexamination Certificate

active

07115124

ABSTRACT:
A device for tissue ablation comprises plural arrays of segmented needle electrodes, each of which contains a plurality of electrically conductive segments, a plurality of non-conductive joints, and a needle tip. Each of the electrically conductive segments is wired to a radio-frequency electrical power source and can be connected to and disconnected from the power source. After the needle electrodes of the device are penetrated into a target tissue to be ablated, the intended volume of ablation can be configured in three dimensions. Thus, the device allows physicians to effectively control ablation boundaries.

REFERENCES:
patent: 5693078 (1997-12-01), Desai et al.
patent: 5868740 (1999-02-01), LeVeen et al.
patent: 6514252 (2003-02-01), Nezhat et al.
patent: 2002/0111615 (2002-08-01), Cosman et al.
patent: 2002/0120261 (2002-08-01), Morris et al.

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