Fluid control device particularly useful in liquid transfusion a

Details Fluid control device particularly useful in liquid transfusion a Fluid control device particularly useful in liquid transfusion a

1985-11-07

1987-09-22

Schwadron, Martin P.

Fluid handling

With indicator, register, recorder, alarm or inspection means

Position or extent of motion indicator

12820019, 137601, 251 6, 251 7, 251 9, 604251, F16K 706, A61M 516

Patent

active

046948562

ABSTRACT:
A fluid control device for a liquid transfusion line comprises an inlet connector and an outlet connector, and a flexible conduit defining two, three or more passageways extending in parallel between them to provide a plurality of parallel paths for the flow of the fluid. The device further includes a restrictor in one or more but of the passageways restricting the flow according to a fixed predetermined rate lower than that of unrestricted passageway, and a manual control member for selectively closing the passageways to produce a flow of the fluid from the inlet connector to the outlet connector according to a preselected fixed rate.

REFERENCES:
patent: 485698 (1892-11-01), Ketchum
patent: 2649112 (1953-08-01), Barnett et al.
patent: 3298367 (1967-01-01), Bergman
patent: 4373524 (1983-02-01), Leibinsohn
patent: 4458877 (1984-07-01), Holmes

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