The two throttle paths end in the bolus , at the outlet of which is located {HEAD ~ a catheter} into {TAIL ~ the interior} of the body of the wearer of the implanted infusion device  
into
The two throttle paths end in the bolus , at the outlet of which is located { HEAD ~ a catheter } into { TAIL ~ the interior } of the body of the wearer of the implanted infusion device
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH