Apparatus for controllably administering a parenteral fluid

Details Apparatus for controllably administering a parenteral fluid Apparatus for controllably administering a parenteral fluid

A - Human Necessities

61

M

128/91

A61M 5/14 (2006.01) A61M 5/162 (2006.01)

Patent

CA 1122872

NEH:pb APPARATUS FOR CONTROLLABLY ADMINISTERING A PARENTERAL FLUID Abstract of the Disclosure An apparatus for administering parenteral liquids from a parenteral fluid container which provides a sufficient quantity of parenteral liquid to be administered at a slower than normal rate so as to afford a keep-vein-open (KVO) means. The apparatus utilizes a first orifice to afford a faster flow rate than a second orifice spaced away from the first orifice. The preferred means for regulating different flow rates of fluid through the two orifices are the dimensions of the ori- fices and filters having different mesh sizes. When the par- enteral liquid is maintained in the reservoir in contact with the first orifice with the faster flow rate, liquid will pass through both orifices at a predetermined regular rate. When liquid no longer contacts the first orifice, as when the fluid container is depleted of liquid, the second orifice then comes into effect to afford a slower rate of liquid until a new con- tainer can be supplied.

283908

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