The blue spike in the cannula is used for needleless access of a single–dose vial. The BD™ Interlink® Vial Access Cannula are specifically designed for use with Interlink injection sites, identified by a colored alert ring around the septum. The BD™ Interlink® Vial Access Cannula are specifically designed for use with Interlink injection sites, identified by a colored alert ring around the septum.
