Arrangement for protection of organs of respiration

Details Arrangement for protection of organs of respiration Arrangement for protection of organs of respiration

1979-04-10

1982-05-25

Recla, Henry J.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820522, 12820125, 12820525, 12820513, 12820512, A62B 710

Patent

active

043311415

ABSTRACT:
An arrangement for protecting of organs of respiration has a closing element adapted to close the user's nose and mouth, a filtering element communicating with said closing element so that when the user performs inspiration ambient air passes through said filtering element and is cleaned by the latter to be inspirated in cleaned condition, and a device for urging air to flow to and to pass through the filtering element. The device includes an urging element which is actuated in response to the inspiration performed by the user. The device may be formed as a deformable container which is mounted on the user's thorax so that when the user performs inspiration and the volume of thorax increases, the container is deformed and thereby forcedly urges air to the filtering element. The device may also be formed as an impeller driven by an electric motor which is actuated in response to the user's inspiration. The actuation of the electric motor may be performed by a similar deformable container, or by a flap-type switch actuated under the action of inspiration.

REFERENCES:
patent: 2332662 (1943-10-01), Nathanson
patent: 3347228 (1967-10-01), Bird et al.
patent: 3400713 (1968-09-01), Finan
patent: 4163448 (1979-08-01), Gronard

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