The ultrasonic waves are conducted into {HEAD ~ a patients body} through the acoustic transmitter such as {TAIL ~ water} 
The ultrasonic waves are conducted into { HEAD ~ a patients body } through the acoustic transmitter such as { TAIL ~ water }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL