Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1977-09-07
1983-08-02
Howell, Kyle L.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
222 67, 222481, 137179, 137192, 137399, 137590, 604244, 604252, 604257, A61M 516
Patent
active
043960162
ABSTRACT:
An automatic intravenous flow regulator for regulating the infusion rate of a parenteral solution flowing from an intravenous fluid container to a patient. When the level of parenteral solution in the container is above a threshold level, the infusion takes place at a first flow rate. When the level of fluid in the container drops below the threshold level, fluid flow continues but at a second flow rate less than the first flow rate. The flow rate is controlled principally from outside the IV container; while in a second embodiment, the flow rate is controlled from within the IV container. Other embodiments are disclosed including one in which the initial flow rate may be adjusted; one in which the fluid is filtered prior to delivery to the patient; one in which the initial flow rate is maintained at a constant value with time, secondary flow rate remains fixed, and complete filtration of the intravenous solution being infused is provided.
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Howell Kyle L.
Swisher Nancy A. B.
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