Biplanar deflectable catheter for arrhythmogenic tissue ablation

Details Biplanar deflectable catheter for arrhythmogenic tissue ablation Biplanar deflectable catheter for arrhythmogenic tissue ablation

1992-07-07

1994-10-11

Cohen, Lee S.

Surgery

Instruments

Electrical application

128772, 128642, 607122, A61B 504, A61N 105

Patent

active

053542975

ABSTRACT:
A cardiac arrhythmia ablation catheter has a highly flexible tubular distal catheter section for entering and exploring the walls of any cardiac chamber which, in turn, has a distal tip equipped with an electrode system, which may have a specialized shape, for mapping and ablating tissue and a dual-wire biplanar control system for enabling and controlling the movement of the distal catheter section and tip in any direction in a manner such that the distal tip is capable of accessing any point on the wall of the chamber entered. The dual-wire biplanar control system includes a vertical deflection control wire operable to deflect the distal tip of the catheter in a controlled manner a plane substantially parallel to the longitudinal axis of the tubular catheter and a lateral deflection control wire operable to deflect the distal tip of the catheter in a controlled manner in a plane substantially perpendicular to the longitudinal axis of the tubular catheter.

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