An improved catheter system having a movable bipolar electrode pair means enclosed within an inflatable balloon capable of treating a tissue of a patient. In one embodiment, a catheter suitable for radiofrequency ablation of cardiac tissues comprises an electrode means having a first movable electrode...http://www.google.es/patents/US6241727?utm_source=gb-gplus-sharePatente US6241727 - Ablation catheter system having circular lesion capabilities
Ablation catheter system having circular lesion capabilities
