Endocardial mapping and ablation system and catheter probe and m

Details Endocardial mapping and ablation system and catheter probe and m Endocardial mapping and ablation system and catheter probe and m

1994-01-14

1995-04-18

Cohen, Lee S.

Surgery

Truss

Pad

607122, A61B 504, A61N 105

Patent

active

054069467

ABSTRACT:
An endocardial mapping and/or ablation system for introduction into a chamber of a heart formed by a wail by passage through a lumen leading to a chamber in the heart having blood therein having a catheter probe with proximal and distal extremities. The catheter probe includes an elongate flexible tubular member having at least one lumen extending therethrough extending the length thereof and having a distal extremity. A plurality of electrodes are provided. A structure is provided which includes at least one arm having an outer surface carded by the flexible tubular member. The plurality of electrodes are secured to said at least one arm so that they extend solely from said outer surface. Said at least one arm with said plurality of electrodes thereon are moved outwardly radially to bring the plurality of electrodes carded thereby into contact with the wail forming the chamber of the heart so that they are disposed substantially coplanar on the wail of the heart and are circumferentially spaced-apart on the wail of the heart. Leads are in contact with the electrodes and extend into the flexible elongate tubular member. Electrical circuitry is connected to the leads for performing electrical functions with respect to said electrodes.

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patent: 5156151 (1992-10-01), Imran
patent: 5228442 (1993-07-01), Imran
patent: 5279299 (1994-01-01), Imran

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