Exhalation valve assembly

Details Exhalation valve assembly Exhalation valve assembly

1986-03-21

1987-12-15

Schwadron, Martin P.

Fluid handling

Line condition change responsive valves

Direct response valves

137859, 137906, 137908, F16K 1514

Patent

active

047125802

ABSTRACT:
An exhalation valve assembly for use in a volume ventilator circuit is disclosed that comprises a valve body defining a chamber with a gas inlet conduit and a gas outlet conduit, both in flow communication with the chamber. A diaphragm extends across the chamber and selectively closes off the gas inlet conduit. A concentric ring support structure is disposed concentrically about the gas inlet conduit and is configured so as to support a portion of the diaphragm over the chamber.

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patent: 4454893 (1984-06-01), Orchard
patent: 4543935 (1985-10-01), Tuckey

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