a catheter configured for {TAIL ~ intravascular placement} within {HEAD ~ a renal blood vessel} of a human patient 
a catheter configured for { TAIL ~ intravascular placement } within { HEAD ~ a renal blood vessel } of a human patient
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH