Intravenous administration system

Details Intravenous administration system Intravenous administration system

1987-10-30

1990-01-09

Pellegrino, Stephen C.

Surgery

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

Treating material introduced into or removed from body...

604245, 604257, A61M 500

Patent

active

048925241

ABSTRACT:
An apparatus for administering a volumetric flow of parenteral liquids into a patient's system, in which the quantity of liquid flowing into the system may be easily adjusted, is disclosed. The apparatus includes two separate hydrostatic head pressure systems. The first head pressure is from a container, through a metering device with an adjustable fixed orifice to a regulator located a fixed distance below the container. The second head is from the regulator, which is designed to prevent air flow through it, to the patient. Several embodiments of the metering device and of the regulator are disclosed.

REFERENCES:
patent: 3298367 (1967-01-01), Bergman
patent: 3690318 (1972-09-01), Gorsuch
patent: 3878869 (1975-04-01), Yamanouchi et al.
patent: 3931818 (1976-01-01), Goldowsky
patent: 3941126 (1976-03-01), Dietrich et al.
patent: 4175558 (1979-11-01), Hess, III et al.
patent: 4191183 (1980-03-01), Mendelson
patent: 4425123 (1984-01-01), Di Salvo
patent: 4447230 (1984-05-01), Gula et al.

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