Flow control device for administration of intravenous fluids

Fluid handling – With casing – support – protector or static constructional... – Guards and shields

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Details

137556, 251209, 251904, 604 32, 604248, F16K 3500, F16K 510

Patent

active

048076600

ABSTRACT:
A metering apparatus and system for controlling the administration of IV fluids having a valve housing with a valving chamber therein. A rotatable valve body member is positioned within the valve chamber and a valve passageway of variable cross-sectional area is provided at either the chamber or on the valve member. The effective area and length of the valve passageway interposed between the inlet and outlet to the valve is adjustable to regulate flow by moving the valve body relative to the valve member. Various accessories can be selectively attached to the basic valve configuration including a backplate which facilitates single-handed operation and an optional cover plate which may be secured to the backplate to provide security from patient tampering. In the preferred embodiment the valve housing and internal valve members are fabricated from dissimilar plastic materials of different hardness to improve the sealing therebetween.

REFERENCES:
patent: 748720 (1904-01-01), Glazier
patent: 1690461 (1928-11-01), Sieben
patent: 3276472 (1966-10-01), Jinkens et al.
patent: 3698683 (1972-10-01), DeAngelis
patent: 3788602 (1974-01-01), Kitzie
patent: 3980099 (1976-09-01), Youngblood
patent: 4147184 (1979-04-01), Jess
patent: 4256132 (1981-03-01), Gunter
patent: 4352370 (1982-10-01), Childress

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