A pre-slit injection site (34) includes a housing (40) with a flow path therethrough. A first end (42) of the housing (40) carries a pre-slit septum (52). One form of a blunt cannula (98), usable with the injection site (34), carries a locking member (100). When the pre-slit injection site (34) slidably...http://www.google.de/patents/US6261266?utm_source=gb-gplus-sharePatent US6261266 - Pre-slit injection site and tapered cannula
