Fluid dispenser for germ-free fluid
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United States of America Patent
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Aug 3, 1993
Grant Date -
N/A
app pub date -
Aug 2, 1991
filing date -
Aug 29, 1990
priority date (Note) -
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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.
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