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