Ophthalmic package and delivery device

Details Ophthalmic package and delivery device Ophthalmic package and delivery device

1995-05-01

1997-04-29

Huson, Gregory L.

Dispensing

Resilient wall

With flow controllers or closures

222420, 2225412, 604216, B65D 4718

Patent

active

056240570

ABSTRACT:
This invention consists of an ophthalmic storage and dispensing device formed by injection molding, consisting of a vial with thick rigid walls and a limited flexible area. The flexible area allows only a small displacement when squeezed providing a metered volume of dispensed liquid. It also has an integral molded dropper tip as well as an integral molded puncture membrane within the tip. A bottom plug, which serves as closure after filling, is sealed to the vial. The bottom plug is of varying size and shape so as to provide for varying internal liquid capacity in the same bottle. It can also have a separate cap which acts as both a seal break and reclosable mechanical liquid seal between usage periods. Both vial and cap offer a geometric shape which facilitates gripping and limits rolling.

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patent: 4958748 (1990-09-01), Otake
patent: 5154702 (1992-10-01), Foyil
patent: 5226572 (1993-07-01), Gargione

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