MULTI-ELECTRODE BALLOON CATHETER WITH CIRCUMFERENTIAL AND POINT ELECTRODES

摘要

PROBLEM TO BE SOLVED: To provide a catheter.SOLUTION: A catheter has a balloon electrode assembly with at least one compliant balloon member and at least one electrode carried on an outer surface of the balloon member for accomplishing circumferential sensing or ablation in a tubular region including a pulmonary vein or ostium. The catheter may also include an electrode assembly with a tip electrode and/or a ring electrode distal of the balloon electrode assembly and adapted for focal contact.