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