Disclosed is an ablation method and apparatus used to close veins for treatment of venous insufficiency disease. The apparatus includes a catheter proportioned for insertion into a vein, a pair of inflatable balloons spaced apart on the catheter body, and an ablation electrode array disposed between...http://www.google.es/patents/US7087052?utm_source=gb-gplus-sharePatente US7087052 - Apparatus and method for treating venous reflux
