Mask for the safe delivery of inhalation gases to small laborato

Details Mask for the safe delivery of inhalation gases to small laborato Mask for the safe delivery of inhalation gases to small laborato

1980-10-08

1982-06-01

Recla, Henry J.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

128910, 12820628, A61M 1600

Patent

active

043322441

ABSTRACT:
An anesthesia mask for laboratory animals comprising a supply tube having a generally conical mask at one end into which the animal's snout is inserted. Pressurized anesthesia gas is delivered through the tube and is prevented from leaking into the ambient environment by means of a second tube which concentrically surrounds the supply tube and is annularly spaced therefrom so that the space can be evacuated by a vacuum source. A holding bar is slidable transversely into the mask to hook onto the animal's incisors.

REFERENCES:
patent: 2960985 (1960-11-01), Wiese, Jr.
patent: 4015598 (1977-04-01), Brown

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