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