Microporous electrode structure and method of making the same

Details Microporous electrode structure and method of making the same Microporous electrode structure and method of making the same

2005-05-17

2005-05-17

Gibson, Roy D. (Department: 3739)

Surgery

Instruments

Electrical application

C606S049000

Reexamination Certificate

active

06893437

ABSTRACT:
An electrode assembly adapted to transmit electrical energy for ablating body tissue includes an expandable and collapsible non-compliant body made of a durable material and defining an interior adapted to receive a medium containing ions. The body includes a porous region, an electrode adapted to transmit electrical energy located in the interior of the body, a microporous membrane located on the porous region of the non-compliant body, and the microporous membrane is sized to pass ions contained in the medium without substantial medium perfusion therethrough, to thereby enable ionic transport of electrical energy from the ion-containing medium to the exterior of the electrode assembly to ablate body tissue.

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