Loop electrode array mapping and ablation catheter for cardiac c

Details Loop electrode array mapping and ablation catheter for cardiac c Loop electrode array mapping and ablation catheter for cardiac c

1996-05-06

1998-03-24

Bahr, Jennifer

Surgery

Diagnostic testing

Structure of body-contacting electrode or electrode inserted...

606 45, A61B 504

Patent

active

057307040

ABSTRACT:
A cardiac arrhythmia mapping and ablation catheter has a main catheter that is provided with a loop-shaped mapping and ablation system attached to its distal end in which the loop is optionally adjustable or of relatively fixed shape resumable upon deployment. The loop carries an electrode array including a plurality of separately operable recording (mapping)/ablation electrodes in conductive relation to the external environment and arranged in spaced serial relation along the loop. Insulated conductors connect the electrodes electrically with input/output devices outside the catheter for mapping the electrical activity of the chamber wall contacted and ablating tissue as indicated. A distal extension or guide member may optionally be provided to adapt the loop specifically to addressing the tricuspid annulus or other desired location.

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