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