Inhalation valve

Details Inhalation valve Inhalation valve

1983-05-13

1985-09-03

Recla, Henry J.

Surgery

Truss

Pad

12820523, 12820716, 137102, A61B 508

Patent

active

045386200

ABSTRACT:
An inhalation valve for respiratory diagnosis and/or therapy is provided. A single rubber or the like diaphragm is mounted in a free floating fashion so that one portion would open upon inhalation, while the other portion opens upon exhalation. The valve body is of molded plastic construction and contains a tube of restricted area through which air flows upon inhalation with reduction in lateral pressure being measured to indicate the volume of inhaled air.

REFERENCES:
patent: 3165067 (1965-01-01), Greenwald
patent: 4259951 (1981-04-01), Chernack et al.
patent: 4437490 (1984-03-01), Demers et al.

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