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US 5,533,983 AGranted
Valved medical connector
OwnerMichael L. Haininginventor
Life of this patent
Estimating the term…
Abstract
A needleless connector for adding medication to a parenteral fluid is provided. In one embodiment an adapter is provided for securing to a Y connector having a standard puncture pad. The adapter includes a cannula for piercing the pad and a valve that is opened by the attachment of a syringe. In a second embodiment the Y connector itself contains the valve in lieu of the puncture pad. In a final embodiment the valve is contained within a universal luer connector adapter.
Claims3
A medical connector comprising:
- (a) a cylindrical body having an upper cavity and a lower cavity, said upper cavity having a valve seat at one end;
- (b) a valve stem slidably mounted within said upper cavity having a plug on one end adapted to sealably fit into said seat;
- (d) a spring mounted about said stem to bias said plug against said seat thereby closing said valve;
- (e) an actuator means on said stem at the end opposite said plug for moving said stem against said spring bias to move said plug away from said seat thereby opening said valve;
- (f) a cylindrical extension axially mounted on the lower end of said body defining an annular space between the outer surface of said extension and the inner surface of said lower cavity;
- (g) internal threads on the inner surface of said lower cavity for engagement with a male luer connector;
- and
- (h) a rubber cover over said upper body covering said actuator means.
5 more elements
Dependencies are inferred from the claim text.