Respiratory valve, especially for anaesthetic circuits

Details Respiratory valve, especially for anaesthetic circuits Respiratory valve, especially for anaesthetic circuits

1976-12-28

1978-09-05

Cline, William R.

Fluid handling

Line condition change responsive valves

Direct response valves

13751215, 137855, F16K 1514

Patent

active

041112288

ABSTRACT:
A respiratory valve, especially for use in the circuits of anaesthetic gas devices, having a body member formed with two arms in a V configuration, intended for inhalation and exhalation, respectively, and a tubular mouthpiece fitting. To the two arms are connected, by joints, an inhalation fitting and an exhalation fitting, respectively; the joints retain each the fastening ring of a shutter, the resilient membrane of which closes and opens in response to the gas circulation, as required.

REFERENCES:
patent: 2104988 (1938-01-01), Heidbrink
patent: 2121196 (1938-06-01), Heidbrink
patent: 2228983 (1941-01-01), Bloomheart
patent: 3028873 (1962-04-01), Kindred
patent: 3568977 (1971-03-01), Nelson
patent: 3643686 (1972-02-01), Koegel
patent: 3812878 (1974-05-01), Bird et al.
patent: 3902516 (1975-09-01), Rudolph

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