Apparatus for supplying gas to a patient

Details Apparatus for supplying gas to a patient Apparatus for supplying gas to a patient

1989-06-12

1990-04-24

Hindenburg, Max

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820524, 116334, 116277, A61M 1600

Patent

active

049191322

ABSTRACT:
Apparatus for supplying oxygen or anesthetic gas through a mask (10) on the face of a patient and including a flexible gas reservoir bag (14) having a manually operated valve assembly (16) attached to an end of the bag (14) for controlling the internal fluid pressure in the bag (14). A predetermined gas supply (21) has a vent valve means (22) in its supply lines (17, 20) for diluting the predetermined gas with ambient air as desired.

REFERENCES:
patent: 2944546 (1960-07-01), Ziherl et al.
patent: 3046978 (1962-07-01), Lea
patent: 3850171 (1974-11-01), Ball et al.
patent: 3913607 (1975-10-01), Price
patent: 3977432 (1976-08-01), Vidal
patent: 4036253 (1977-07-01), Fegan et al.
patent: 4109651 (1978-08-01), Steigerwald
patent: 4267832 (1981-05-01), Hakkinen
patent: 4391283 (1983-07-01), Sharpless et al.
patent: 4494565 (1985-01-01), Sinclair et al.

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