Flow controller for IV chamber

Surgery – Respiratory method or device – Ozone or ion generation

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251 7, A61M 500

Patent

active

043780130

ABSTRACT:
An IV chamber flow controller includes a plug integrally connected to the chamber and a flexible tube extending through the plug. A plunger rod is moved by a skirt which is rotatably mounted on the chamber and pinches off the tube to stop flow from the chamber. The skirt includes a crescent shaped groove for controlling movement of the plunger rod. A flow path from the IV chamber to an IV tube is straight and uninterrupted so that leakage and sterility problems are reduced.

REFERENCES:
patent: 2197995 (1940-04-01), Crowley
patent: 2797837 (1957-07-01), Roberts
patent: 3323774 (1967-06-01), Wilson
patent: 3785378 (1974-01-01), Stewart
patent: 3920215 (1975-11-01), Knauf
patent: 3977400 (1976-08-01), Moorehead

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