Flow control device for the intravenous administration of liquid

Surgery – Respiratory method or device – Ozone or ion generation

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Details

128214C, 128227, 137501, 137613, 222 55, A61M 500

Patent

active

041425235

ABSTRACT:
A flow control device for controlling liquid flow, especially a liquid being fed intravenously to a hospital patient. A membrane is deflected in the housing so as to cut off liquid flow when the supply input decreases, thus avoiding the possibility of air being introduced into the system.

REFERENCES:
patent: 3204633 (1965-09-01), Hofstra
patent: 3357448 (1967-12-01), Martin
patent: 3468308 (1969-09-01), Bierman
patent: 3537475 (1970-11-01), Pottinger
patent: 3642026 (1972-02-01), Sielaff
patent: 4009714 (1977-03-01), Hammer
patent: 4043332 (1977-08-01), Metcalf

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