Variable dosage dropper system

Details Variable dosage dropper system Variable dosage dropper system

1990-05-21

1992-10-13

Shay, Randy C.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604217, 604298, 215214, 215219, 222 43, 222214, 222287, 222309, 222420, A61M 5178

Patent

active

051547023

ABSTRACT:
A variable dosage dropper system improves upon the conventional dropper assembly (container, cap, pipette, bulb) by providing an annular overcap housing which completely encloses the cap and bulb to provide tamper resistant protection and has a locking collar at its lower end to secure the cap within the housing. A plunger slidably, rotatably, and sealingly mates with the housing. The plunger contacts and compresses the bulb when pushed downward toward the housing a predetermined distance corresponding to various dosages and allows the bulb to return to its decompressed position when released. The system is also adapted to resist undesired opening of the container by children.

REFERENCES:
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patent: 694530 (1902-03-01), Comer
patent: 1900201 (1933-03-01), Sager
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patent: 2966284 (1960-12-01), Lewis
patent: 3101751 (1963-08-01), Ballin
patent: 3812990 (1974-05-01), Willis
patent: 3820576 (1974-06-01), Torrent
patent: 4047438 (1977-09-01), Sekine
patent: 4158035 (1979-06-01), Haase et al.
patent: 4511534 (1985-04-01), Bennett, Jr. et al.
patent: 4623337 (1986-11-01), Maurice

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