Nasal oxygen therapy mask

Details Nasal oxygen therapy mask Nasal oxygen therapy mask

1978-10-13

1981-05-12

Recla, Henry J.

Surgery

Respiratory method or device

Face mask covering a breathing passage

12820712, 12820525, 12820511, 12820425, A61M 1500

Patent

active

042665400

ABSTRACT:
An oxygen mask which covers only a patient's nose is attached to the patient by a flexible strap. A clip is attached to the outer surface of the mask to hold the portion of the mask firmly in place relative to the bridge of the patient's nose. An exhaust port is included in the mask. The mask also includes an integral mixing valve for mixing air and gas such as oxygen to achieve a prescribed percentage mixture as may be required for patient therapy. The mixing valve is supported by a support member attached to the mounting strap.

REFERENCES:
patent: 1176886 (1916-03-01), Ermold
patent: 2241535 (1941-05-01), Boothby et al.
patent: 2260701 (1941-10-01), Boothby et al.
patent: 2843122 (1958-07-01), Hudson
patent: 2859748 (1958-11-01), Hudson
patent: 3603306 (1971-09-01), Bonin
patent: 3889671 (1975-06-01), Baker
patent: 3977432 (1976-08-01), Vidal

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