Intravenous delivery pump

Details Intravenous delivery pump Intravenous delivery pump

1974-07-15

1976-08-24

Husar, C. J.

Pumps

Expansible chamber type

Having pumping chamber pressure responsive distributor

417569, 128214E, 222409, 92 98D, F04B 2102

Patent

active

039764028

ABSTRACT:
The present invention comprises a small, precise measuring pump provided with a germ barrier that is specifically designed for intravenous feeding devices in which the fluid being pumped is positively displaced; in which there is no rubbing contact of one member with another which would be destructive of blood being pumped; the pumping chambers are small, so that they will hold as little fluid as possible; and in which the valves are actuated by gravity and which are tight-sealing when the pump is in a substantially vertical position, but which, when the pump is tipped on its side, are open to permit the preliminary filling of the pump with the fluid to be pumped.

REFERENCES:
patent: 1216460 (1917-02-01), Kilgore
patent: 2402524 (1946-06-01), Corydon
patent: 2692618 (1954-10-01), Ludowici
patent: 2711134 (1955-06-01), Hughes
patent: 2781784 (1957-02-01), Baker
patent: 2791969 (1957-05-01), Berliner
patent: 3010404 (1961-11-01), Anderson
patent: 3250225 (1966-05-01), Taplin
patent: 3354830 (1967-11-01), Mortara
patent: 3514218 (1970-05-01), Maher, Jr.
patent: 3701614 (1972-10-01), Guidicelli

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