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