Methods and {TAIL ~ apparatus} for performing a non continuous circumferential treatment of {HEAD ~ a body lumen} 
Methods and { TAIL ~ apparatus } for performing a non continuous circumferential treatment of { HEAD ~ a body lumen }
OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD