Patent ID: 8708976

Claim:
A needleless connector comprising: a housing having an internal cavity with an interior surface, a port, an output flow channel, and a fluid flow path through the cavity between the port and the output flow channel; and a collapsible valve disposed within the cavity, the valve comprising: at least two rings each having a respective surface in sealing contact with the interior surface of the housing; and one or more notches formed in each of the at least two rings, wherein the one or more notches in a first ring of the at least two rings are circumferentially offset from the one or more notches in a second ring of the at least two rings that is adjacent to the first ring, the one or more notches in at least one of the at least two rings comprise two notches circumferentially disposed 180° from each other, wherein the fluid flow path passes through one of the one or more notches in each of the at least two rings.