{HEAD ~ The shunt rivet} is provided in {TAIL ~ the form} of an expandable wire frame structure adapted for transcutaneous delivery and deposit at the desired implantation site 
{ HEAD ~ The shunt rivet } is provided in { TAIL ~ the form } of an expandable wire frame structure adapted for transcutaneous delivery and deposit at the desired implantation site
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH