Method of ablating body tissue
First Claim
1. A method of ablating body tissue using a porous electrode assembly, comprising:
- providing a body adapted to transmit electrical energy, at least a portion of the body including a hydrophilic material;
ablating body tissue with said body.
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Abstract
Electrode structures are formed from flexible, porous, or woven materials. One such structure is made by forming first and second body sections, each including a peripheral edge. The first and second body sections are joined together about their peripheral edges with a seam, thereby forming a composite structure. Another one of such structures is made by forming a body having a three. dimensional shape and opposite open ends, and at least partially closing at least one of the opposite ends by forming a seam. Another one of such structures is formed from a sheet of material having peripheral edges. The sheet is placed on the distal end of a fixture, while the peripheral edges of the sheet are gathered about the proximal end of a fixture, thereby imparting to the sheet a desired shape. At least one pleat is formed to secure the gathered peripheral edges together. The seams or pleats are formed by thermal bonding, or ultrasonic welding, or laser welding, or adhesive bonding, or sewing.
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Citations
11 Claims
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1. A method of ablating body tissue using a porous electrode assembly, comprising:
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providing a body adapted to transmit electrical energy, at least a portion of the body including a hydrophilic material;
ablating body tissue with said body. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of ablating body tissue using a porous electrode assembly, comprising:
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providing an electrode assembly including a wall having an exterior surface and an interior surface, the interior surface surrounding an interior area, the interior area adapted to receive a medium containing ions, and an element adapted to couple the medium to a source of electrical energy, wherein at least a portion of the wall comprises a porous hydrophilic material sized to pass ions contained in the medium without allowing substantial liquid perfusion, thereby enabling ionic transport of electrical energy through the porous material to the exterior surface of the wall;
ablating body tissue with said electrode assembly. - View Dependent Claims (8, 9, 10, 11)
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Specification