Anaesthetist's respiration apparatus

Details Anaesthetist's respiration apparatus Anaesthetist's respiration apparatus

1974-08-08

1976-08-10

Michell, Robert W.

Surgery

Respiratory method or device

Ozone or ion generation

1281456, 1281458, 128188, A61M 1600

Patent

active

039735648

ABSTRACT:
Respiration apparatus, for anaesthetist's use, to minimize gas consumption by providing for a patient to rebreath deadspace gas (i.e. the gas previously present in the trachea, mouth and bronchial tree and which has not previously undergone change) comprises a housing enclosing an expansible container to which fresh gas is supplied by a fresh gas supply duct and also to the housing outside the container by way of a non-return valve which permits flow only from the respiration tube into the housing, adjustment means being provided to permit adjustment of the extent by which the container may expand.

REFERENCES:
patent: 3046979 (1962-07-01), Andreasen
patent: 3256876 (1966-06-01), Elam
patent: 3537450 (1970-11-01), Fox
patent: 3556097 (1971-01-01), Wallace
patent: 3814091 (1974-06-01), Henkin
patent: 3901230 (1975-08-01), Henkin

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