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