Nasal cannula mounted solely by frictional engagement with the c

Details Nasal cannula mounted solely by frictional engagement with the c Nasal cannula mounted solely by frictional engagement with the c

1997-02-18

1998-08-18

Asher, Kimberly L.

Surgery

Respiratory method or device

Respiratory gas supply means enters nasal passage

12820024, 128912, 128DIG26, A61M 1508, A61M 1600, A62B 700, A62B 900

Patent

active

057946191

ABSTRACT:
The avoiding of uncomfortable-to-the-touch ear loops and the like in the attaching insertion of oxygen-delivering inserts of a cannula into a patient's nose which uses a 0.25 inch diameter in a circular base of a U-shape of the cannula to provide a chord which in width wise size is smaller than the width wise size of a patient's typical columella which divides in two the nasal cavities, such that the size difference results in a "pinch" fit which holds the cannula in place during its use, and the referred to columella not being sensitive-to-touch thus does not contribute to patient discomfort.

REFERENCES:
patent: 1256188 (1918-02-01), Wilson
patent: 1740083 (1929-12-01), Galvin
patent: 2010485 (1935-08-01), Heath
patent: 2215188 (1940-09-01), Parks
patent: 2569743 (1951-10-01), Carlock
patent: 3460533 (1969-08-01), Riu Pla
patent: 4736741 (1988-04-01), Payton et al.
patent: 5097827 (1992-03-01), Izumi
patent: 5113857 (1992-05-01), Dickerman et al.
patent: 5291897 (1994-03-01), Gastrin et al.

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