An ultrasonic therapeutic apparatus consisting of a therapeutic ultrasonic wave generating source driven by a driver circuit to generate therapeutic ultrasonic waves, an in vivo imaging probe so as to obtain a tissue tomographic image in the vicinity of the focus of the therapeutic ultrasonic waves....http://www.google.com.au/patents/US6086535?utm_source=gb-gplus-sharePatent US6086535 - Ultrasound therapeutic apparataus