Liquid infusion system

Details Liquid infusion system Liquid infusion system

1993-06-21

1994-07-12

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604214, 222103, A61M 520

Patent

active

053284771

ABSTRACT:
A liquid infusion system includes a flexible, flat, collapsible bag for storing liquid. An outlet communicates with the bag and a valve is used to control liquid outflow through the outlet tube. A rigid housing encloses the bag with the outlet tube projecting therefrom. A spring biased rigid pivot plate is positioned within the housing. The plate exerts pressure on the bag, tending to urge the bag toward a flat collapsed position and to expel liquids through the outlet when any liquid is present in the bag. Spring members are positioned in wells formed in the housing and the plate. The spring members exert a force against the plate.

REFERENCES:
patent: 3084722 (1963-04-01), Klingerman
patent: 3595232 (1968-08-01), Leibinsohn
patent: 3734351 (1973-05-01), Gaudin
patent: 3902635 (1975-09-01), Jinotti
patent: 4337769 (1982-07-01), Olson
patent: 4447232 (1984-05-01), Sealfon et al.
patent: 4504267 (1985-03-01), Parmelee et al.
patent: 4557728 (1985-12-01), Sealfon et al.
patent: 4781689 (1988-11-01), Sealton et al.
patent: 5061243 (1991-10-01), Winchell et al.

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