Oxygen valve system

Details Oxygen valve system Oxygen valve system

1997-03-03

1998-07-28

Lewis, Aaron J.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820712, 12820716, F16K 31145

Patent

active

057850500

ABSTRACT:
An intermittent medical gas or oxygen delivery and regulator valve system which utilizes a single diaphragm and allows medical gas delivery through a central path in a valve stem. The valve may be easily retrofit to nearly all medical gas delivery systems currently in use and is thus expected to have widespread commercial appeal. The boundary between the valve stem and valve shuttle is of a novel design which results in a virtually frictionless movement by the shuttle element. The combination of elements results in a simplified and more efficient, long-life design.

REFERENCES:
patent: 3151628 (1964-10-01), Heckert
patent: 3194497 (1965-07-01), Thorburn
patent: 3688794 (1972-09-01), Kowalski
patent: 4008716 (1977-02-01), Amlong
patent: 4877058 (1989-10-01), Stoll

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