Mouthpiece valve for breathing equipment

Details Mouthpiece valve for breathing equipment Mouthpiece valve for breathing equipment

1989-11-28

1992-07-28

Burr, Edgar S.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820118, 12820128, 12820714, A62B 902

Patent

active

051333473

ABSTRACT:
A mouthpiece valve for breathing equipment which utilizes a spring-loaded axially movable valve disc to close the connection to the breathing equipment when the valve is in an inoperative position. To lock the valve in the closed position, it is provided with two tapered pins which are externally inserted into the cover of the valve casing and which abut a curved member which is in operative connection with the valve disc via a valve stem. The two tapered pins are secured by a safety bridge placed on the cover which locks the curved member to the valve stem and the valve disc and maintains the valve in a closed position. To open the closed valve, the safety bridge is removed in a single motion, preferably by means of a cord disposed on a nose clip when the nose clip is put on for use of the breathing equipment.

REFERENCES:
patent: 2839053 (1958-06-01), Lorenz
patent: 4090511 (1978-05-01), Gray

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