Fluid flow control valve

Details Fluid flow control valve Fluid flow control valve

1987-01-30

1988-11-01

Truluck, Dalton L.

Surgery

Devices transferring fluids from within one area of body to...

With flow control means

604247, 604185, 137854, A61M 500

Patent

active

047816740

ABSTRACT:
A fluid flow control device for controlling the flow of fluid from one region of the body to be drained to another region. The device includes a rigid cartridge combined with an elastomeric valve element. The design of the cartridge and valve element are such that the cartridge incorporates a seat and when the valve element is properly positioned within the valve body by a novel positioning arrangement it has sufficient spring force to push against the seat, thus creating a seal. The valve element ensures uni-directional flow as well as creating a set resistance to that flow. The unit can be easily assembled without the use of adhesives and in one configuration, the valve can be "tuned" to a desired pressure as a final assembly step. Combining two of the basic valving assemblies in series with an elastomeric section therebetween results in a valve system which can actively pump fluid downstream by squeezing the central connecting section.

REFERENCES:
patent: 2646059 (1953-07-01), Wittner et al.
patent: 3037522 (1962-06-01), Millan
patent: 3085591 (1963-04-01), Schneider
patent: 3403696 (1968-10-01), Pynchon
patent: 3648728 (1972-03-01), Perry et al.
patent: 3768508 (1973-10-01), Schulte
patent: 4550749 (1985-11-01), Krikorian
patent: 4560375 (1985-12-01), Schulte et al.
patent: 4609006 (1986-09-01), Parkison et al.
patent: 4636194 (1987-01-01), Schulte et al.
patent: 4675003 (1987-06-01), Hooven

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