Upon expulsion from the catheter, the wire frame structure resiliently or pseudoelastically expands into {HEAD ~ a flow} through {TAIL ~ rivet} comprising a tube with expanded heads at either end 
Upon expulsion from the catheter , the wire frame structure resiliently or pseudoelastically expands into { HEAD ~ a flow } through { TAIL ~ rivet } comprising a tube with expanded heads at either end
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 OTH OTH OTH OTH OTH OTH OTH OTH OTH