Portable air delivery system and method of using same

Details Portable air delivery system and method of using same Portable air delivery system and method of using same

2005-05-10

2005-05-10

Dawson, Glenn K. (Department: 3731)

Surgery

Respiratory method or device

C128S202270, C128S204180, C128S205220, C128S207180

Reexamination Certificate

active

06889688

ABSTRACT:
An air delivery system includes a coupling mechanism that is adapted to be connected between a source of oxygen-enriched air and an air cannula that can be worn by a user. The coupling mechanism includes a spool assembly for paying out and for winding up a predetermined length of tubing coupled between the air cannula and the source of oxygen-enriched air. The spool assembly has a sufficiently low drag factor to allow complete mobility of a user wearing the cannula without causing it to be dislodged during pay out of the predetermined length of tubing and without causing it to be dislodged during take up of the predetermined length of tubing.

REFERENCES:
patent: 5381820 (1995-01-01), Chandler
patent: 5826608 (1998-10-01), Pierce
patent: 6065490 (2000-05-01), Falcone, Jr.
patent: 6279848 (2001-08-01), Mead, Jr.
patent: 6588444 (2003-07-01), Paplow et al.

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