{HEAD ~ The tack} performs {TAIL ~ a function} similar to that of biodegradable suture presently employed in meniscal and other surgical repair 
performs
{ HEAD ~ The tack } performs { TAIL ~ a function } similar to that of biodegradable suture presently employed in meniscal and other surgical repair
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 OTH OTH