System and method for tissue ablation

Details System and method for tissue ablation System and method for tissue ablation

2007-12-11

2007-12-11

Peffley, Michael (Department: 3739)

Surgery

Instruments

Electrical application

C607S101000

Reexamination Certificate

active

10993306

ABSTRACT:
A tissue ablation device comprises first and second electrodes of opposite polarities, the first electrode being mounted to a first elongated member for movement relative to the second electrode for separation therefrom by a desired distance. A method of ablating a tissue comprises inserting first and second electrodes to desired initial positions relative to a tissue mass to be ablated and applying electrical energy to the first and second electrodes to ablate a first portion of tissue between the first and second electrodes in combination with the step of applying electrical energy to desired second positions separated from the desired initial positions by a distance selected to transfer electrical energy around the first portion of tissue through a second portion of tissue to be ablated, the second portion of tissue surrounding the first portion of tissue.

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