Patent ID: 8600472
Filing Date: 2013-12-03
Classification: A61B,A61N

Abstract:
1. A catheter, comprising: an insertion tube having a distal end; and a resilient distal section fixed to the distal end of the insertion tube, the resilient distal section having an outer surface and an inner irrigating lumen and comprises a plurality of ring electrodes that bulge above the outer surface and are circumferentially arranged around the entire circumference of the outer surface, each ring electrode defining a cavity there-under located between the ring electrode and the outer surface, the ring electrodes having a plurality of perforations formed there-through, the outer surface having at least one breach hole therein positioned beneath each ring electrode and in fluid communication with the irrigating lumen, the cavity and the perforations of each ring electrode adapted for dispensing irrigating fluid from the resilient distal section through each ring electrode.