The piezoelectric element is used for emitting ultrasonic signals and for receiving ultrasonic signals that are reflected off of {HEAD ~ various body structures} within {TAIL ~ a patient} 
The piezoelectric element is used for emitting ultrasonic signals and for receiving ultrasonic signals that are reflected off of { HEAD ~ various body structures } within { TAIL ~ a patient }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL