Non-invasive nasal cannula

Details Non-invasive nasal cannula Non-invasive nasal cannula

1995-04-04

1996-06-18

Burr, Edgar S.

Surgery

Respiratory method or device

Respiratory gas supply means enters nasal passage

12820713, 12820611, 12820618, A61M 1508

Patent

active

055268064

ABSTRACT:
An improved non-invasive nasal cannula having an enlarged orifice for delivering a stream of oxygen to a patient's nasal passages. The cannula structure has means for directing substantially the entire stream of oxygen toward the patient's nasal passages and has means for maintaining it in a proper position on the patient.

REFERENCES:
patent: 4106505 (1978-08-01), Salter et al.
patent: 4216769 (1980-08-01), Grimes
patent: 4354488 (1982-10-01), Bastos
patent: 4406283 (1983-09-01), Bir
patent: 5188101 (1993-02-01), Tumolo
patent: 5271391 (1993-12-01), Graves
patent: 5335656 (1994-08-01), Bowe et al.

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