Catheter having electrode with annular recess and method of usin

Details Catheter having electrode with annular recess and method of usin Catheter having electrode with annular recess and method of usin

1994-07-06

1996-06-04

Kamm, William E.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical energy applicator

607 99, 607113, A61N 106

Patent

active

055228739

ABSTRACT:
A cardiovascular electrode catheter for use in arrhythmia ablation procedures has a dumbbell-shaped large-tip electrode having an annular recess or indentation. The annular recess divides the electrode into a ball-shaped distal portion and a generally cylindrical proximal portion. Both the distal and proximal portions of the electrode have a diameter substantially the same as that of the catheter body. The recess enables the electrode to grip the mitral or tricuspid annulus or the atrial or ventricular myocardial wall to improve ablation procedures.

REFERENCES:
patent: 3749100 (1973-07-01), Von Der Mosel
patent: 4135518 (1979-01-01), Dutcher
patent: 4325389 (1982-04-01), Gold
patent: 4437474 (1984-03-01), Peers-Trevarton
patent: 4458695 (1984-07-01), Peers-Trevarton
patent: 4760852 (1988-08-01), Lekholm
patent: 4896671 (1990-01-01), Cunningham et al.
patent: 5275162 (1994-01-01), Edwards et al.

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