A hemostasis cannula comprising a housing having a passage therethrough sized to receive a catheter and {HEAD ~ a valve body} mounted in {TAIL ~ the passage} 
mounted in
A hemostasis cannula comprising a housing having a passage therethrough sized to receive a catheter and { HEAD ~ a valve body } mounted in { TAIL ~ the passage }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL