Patent ID: 8721636
Filing Date: 2014-05-13
Classification: A61B,A61N

Abstract:
1. A device for ablating epicardial cardiac tissue around a pulmonary vein of a subject, the device comprising an ablating portion attached to an elongated body, the ablating portion and the elongated body having a working channel extending therethrough; at least one ablating element coupled to the ablating portion; a guide portion adapted to locate the ablating portion along the posterior location of the pulmonary veins in order to form one or more lesions selected from the group consisting of: a transmural lesion on the superior side of the pulmonary veins and a transmural lesion along the inferior side of the pulmonary veins; and a first electrode and a second electrode distinct from the at least one ablating element coupled to the ablating portion and disposed on opposite sides of the at least one ablating element, wherein the first electrode is configured to emit an electrical impulse and the second electrode is configured to receive the electrical impulse.