Device for the enrichment of respiratory air with oxygen

Details Device for the enrichment of respiratory air with oxygen Device for the enrichment of respiratory air with oxygen

1989-05-19

1990-06-26

Eickholt, Eugene H.

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

13762529, 251142, A61M 1600

Patent

active

049362976

ABSTRACT:
A device for the enrichment of respiratory air with oxygen, includes a supply gas to be enriched which is supplied to at least one concentrator and from there to a product gas line in an adjustable concentration of enrichment. The required concentration of enrichment is adjusted speedily and without loss to the changing amount which is used, and as high a concentration of enrichment as possible at an adjustable and low throughput of the concentrator is achieved by use of a partial flow of the supply gas through a throughput-adjustable bypass line. The bypass line bypasses the product gas line and at least one concentrator.

REFERENCES:
patent: 3669134 (1972-06-01), Dorbritz
patent: 4072148 (1978-02-01), Munson et al.
patent: 4576159 (1986-03-01), Hahn et al.
patent: 4602653 (1986-07-01), Ruiz-Vela et al.

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