A tissue ablation apparatus is disclosed that includes an elongate, flexible device operable to be percutaneously place in vasculature of a patient. The device has an array of 8 or more tissue ablation elements carried on a flexible circuit substrate located at a distal end portion. A cable is also included...http://www.google.fr/patents/US7112196?utm_source=gb-gplus-shareBrevet US7112196 - Multi-element array for acoustic ablation
