Occlusion resistant oxygen supply conduit for a nasal cannula

Details Occlusion resistant oxygen supply conduit for a nasal cannula Occlusion resistant oxygen supply conduit for a nasal cannula

1995-06-07

1996-11-12

Burr, Edgar S.

Surgery

Respiratory method or device

Respiratory gas supply means enters nasal passage

128DIG26, A61M 1508, A62B 904

Patent

active

055729940

ABSTRACT:
An oxygen delivery conduit for supplying oxygen continuously under pressure (above atmospheric pressure) to a patient wearing a nasal cannula that prevents occlusion or pinching of the oxygen tube sections supplying the oxygen to insure a continuous oxygen supply to the patient. First and second oxygen supply tube sections rotate relative to each other freely while sealed to prevent crimping, pinching or occlusion of the tubing. The rotatable coupling includes roller or ball bearings mounted in a sealed, non-lubricated bearing structure in a coupling housing.

REFERENCES:
patent: 4875718 (1989-10-01), Marken
patent: 5054482 (1991-10-01), Bales
patent: 5222486 (1993-06-01), Vaughn
patent: 5284134 (1994-02-01), Vaughn et al.
patent: 5513634 (1996-05-01), Jackson

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