Apparatus for oxygenating a patient

Details Apparatus for oxygenating a patient Apparatus for oxygenating a patient

1992-10-07

1997-01-28

Lewis, Aaron J.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820712, 12820713, A61M 1600

Patent

active

055969836

ABSTRACT:
An apparatus is provided for oxygenating a patient, comprising an oxygen supply means with an oxygen applicator for supplying oxygen via the nose, the oxygen applicator being a closed system, with the applicator affixable about the nose in a tightly-sealable manner so that it supplies pure oxygen solely via the nose in a directed flow, and additionally comprising a one-way valve which can be inserted in substantially sealing-tight manner into the mouth of the patient, the one-way valve opening only upon gas outflow out of the mouth, the closed system at all times having a pressure which is greater than the pressure necessary to open the one-way valve, such that respired air from the patient can escape only through the mouth and no air can escape through the nose.

REFERENCES:
patent: 1362766 (1920-12-01), McGargill
patent: 1443820 (1923-01-01), Hudson
patent: 2432627 (1947-12-01), Margaria
patent: 4350647 (1982-09-01), de la Cruz

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