Metering valve for heparin or the like

Details Metering valve for heparin or the like Metering valve for heparin or the like

1988-12-12

1990-03-06

Cohan, Alan

Fluid handling

Self-proportioning or correlating systems

Self-controlled branched flow systems

137499, F16K 3112

Patent

active

049057243

ABSTRACT:
A material regulating valve which controls the flow of an additive material into a primary material as a function of the volume, flow rate, and viscosity of the primary material. The device is comprised of a two sectioned body with a primary flow path and an additive flow path through the body such that the additive flow path intersects the primary flow path at one portion in the body. Located between the primary flow path and the additive flow path is a additive flow regulating component. The device also included a flow indicator which provides a visual confirmation when material is flowing through the primary path and a manual control component which provides a manual over ride of the normally self controlling flow regulating component.

REFERENCES:
patent: 2745628 (1956-05-01), Carlson
patent: 3141471 (1946-07-01), Williamson
patent: 4022245 (1977-05-01), Davis
patent: 4542768 (1985-09-01), Harris
Haemonetics, "Rapid Infusion System", (11 page brochure).

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