Measured dose eye dropper

Details Measured dose eye dropper Measured dose eye dropper

1994-05-03

1996-05-07

Jones, Mary Beth

Surgery

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

Treating material applied to or removed from external...

222 67, 222450, 604289, A61M 3500

Patent

active

055141188

ABSTRACT:
The present invention uses an adaptation of a float valve installed within the barrel of the eye dropper at the time of manufacture. This prevents the operator of the eye dropper from intaking more than the predetermined amount of liquid into the barrel of the eye dropper. Once the eye dropper is filled, the operator expels the entire amount of liquid taken into the eye dropper, which is the predetermined amount.

REFERENCES:
patent: 718801 (1903-01-01), Strauss
patent: 1422778 (1922-07-01), Petcher
patent: 1762059 (1930-06-01), Jones
patent: 2237213 (1941-04-01), Brown
patent: 3416499 (1968-12-01), Wilmot
patent: 4173226 (1979-11-01), Shell
patent: 4317473 (1982-03-01), Gaydos
patent: 4671330 (1987-06-01), Miles
patent: 4779768 (1988-10-01), St. Amand
patent: 4917274 (1990-04-01), Asa et al.
patent: 4927062 (1990-05-01), Walsh
patent: 5040706 (1991-08-01), Davis et al.
patent: 5048727 (1991-09-01), Vlasich
patent: 5127553 (1992-07-01), Weinstein

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