An ultrasonic diagnosis and treatment system having a thin tube which is capable of being inserted into a body cavity, and which has at its extreme end an observing ultrasonic vibrator for emitting ultrasonic waves for observation and a treating ultrasonic vibrator for emitting strong ultrasonic waves...http://www.google.es/patents/US5873828?utm_source=gb-gplus-sharePatente US5873828 - Ultrasonic diagnosis and treatment system
