Stopper for medication container

Details Stopper for medication container Stopper for medication container

1993-03-03

1995-01-10

Shoap, Allan N.

Bottles and jars

Closures

Self-sealing, piercable-type closure

215250, 215253, 215355, 604415, B65D 3900

Patent

active

053799070

ABSTRACT:
In accordance with this invention, there is provided an elastomeric stopper for a medication container, the stopper being adapted to be pierced by a hypodermic needle or used in conjunction with standard luer nozzle fittings. In a preferred embodiment the stopper comprises an elastomeric plug adapted to make a friction fit in an opening of the medication container, the plug having an exterior surface, the exterior surface of the plug comprising a tear-away member formed integrally with the plug, the interior surface of the plug having a blocked passageway which opens away from the exterior surface of the plug and defines a conical taper, the passageway being blocked by the tear-away member. The tear-away member defines opposite faces of a thin diaphragm formed integrally with the plug, the diaphragm being of a thickness which permits the diaphragm to be ruptured by inserting a hypodermic needle therethrough. The stopper reduces the risk of particulate contamination associated with prior art stoppers adapted to be ruptured with a luer nozzle.

REFERENCES:
patent: 2334905 (1943-11-01), Cherkin
patent: 2457120 (1948-12-01), Brandon
patent: 5060812, Ogle, II
patent: 5125921 (1992-06-01), Duschek
patent: 5232109 (1993-08-01), Tirrell et al.

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