74394419
May 25, 1993
Apr 19, 1994
surgical, medical, dental, and veterinary instruments and apparatus; namely, an ultrasonic angioplasty system for the recanalization of atherosclerotic occlusions, consisting of ultra-sound generator, piezoelectric converter, and specially-shaped sonotrode to which a titanium guidewire with calibrated distal ball trip is connected
Medical Apparatus