{TAIL ~ The flexible probe} has a coaxial cable design that includes a piezoelectric element at {HEAD ~ a proximal end} of the probe 
{ TAIL ~ The flexible probe } has a coaxial cable design that includes a piezoelectric element at { HEAD ~ a proximal end } of the probe
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH