The tubular braid is anchored by axial shortening of the mesh and remains in place to permit subsequent exchange of {HEAD ~ dilation members} to provide for {TAIL ~ different diameter access lumens} 
to provide for
The tubular braid is anchored by axial shortening of the mesh and remains in place to permit subsequent exchange of { HEAD ~ dilation members } to provide for { TAIL ~ different diameter access lumens }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL