ULTRASONIC SHOCK WAVE LITHOTRIPTOR

摘要

PROBLEM TO BE SOLVED: To transmit an ultrasonic shock wave only when a calculus to be lithotritized is present in a focus of a shock wave source.;SOLUTION: This lithotriptor is provided with an ultrasonic applicator 10, an ultrasonic device 12 producing and displaying a B image 13, an evaluation device 15 evaluating the B image 13, and an ultrasonic shock wave generator 6 generating an ultrasonic shock wave focused in the focus F. The evaluation device 15 provides the ultrasonic shock wave generator 6 with a control signal S to generate the ultrasonic shock wave, only when the coincidence of the focus F with the calculus K is detected by the evaluation device 15.;COPYRIGHT: (C)2004,JPO&NCIPI