Fluid dispenser for germ-free fluid

Details Fluid dispenser for germ-free fluid Fluid dispenser for germ-free fluid

1991-08-02

1993-08-03

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Effervescent or pressurized fluid containing

Organic pressurized fluid

424400, 424405, A61M 100

Patent

active

052326870

ABSTRACT:
A fluid dispenser incorporating an oligodynamically germicidally active substance for maintaining the dispensation of germ-free fluid, particularly eye drops. The delivery passage from a supply container associated with the fluid dispenser of the invention contains an oligodynamically germicidally active substance that is soluble in the fluid to be dispensed. The device does not require air pressure within the container, thus eliminating one avenue for the introduction of germs into the fluid. The device includes a metering pump and inlet and outlet valves. The above-mentioned fluid soluble oligodynamically germicidally active substance is situated in the region of the inlet valve or the inlet thereto and/or the outlet therefrom.

REFERENCES:
patent: 4685596 (1987-08-01), Mattheis
patent: 5034000 (1991-07-01), Freitas et al.
patent: 5080648 (1992-01-01), D'Antonio
Pharmazeutische Zeitung, 124 No. 20, May 17, 1979, pp. 946-957.

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