Ultrasound catheter devices and methods provide enhanced disruption of blood vessel obstructions. Generally, ultrasound catheters include an elongate flexible catheter body with one or more lumens, an ultrasound transmission member extending longitudinally through the catheter body lumen and, in some...http://www.google.se/patents/US7604608?utm_source=gb-gplus-sharePatent US7604608 - Ultrasound catheter and methods for making and using same
