Self-operated nasal humidifier

Details Self-operated nasal humidifier Self-operated nasal humidifier

1992-02-04

1994-12-20

Burr, Edgar S.

Surgery

Respiratory method or device

Means for mixing treating agent with respiratory gas

12820425, A61M 1508

Patent

active

053738411

ABSTRACT:
A self-operated nasal humidifier comprising a container adapted to hold liquid heated and a lid detachably secured to the container by means of cooperating threads or other means. The lid houses a venturi and air passage means between the venturi and the lid bottom. The venturi has at its opposite ends inlet and outlet means detachably secured to air receiving and evacuation conduits, respectively. The means for delivering heated humidified air to the nasal cavity involves exhalation by the user into the receiving conduit and through the venturi where vapor above the heated liquid mixes with the exhaled air stream for issue at a controlled temperature.

REFERENCES:
patent: 429321 (1890-06-01), Ramey
patent: 605436 (1898-06-01), Kellogg
patent: 3903216 (1975-09-01), Allan
patent: 4200099 (1980-04-01), Guenzel
patent: 4240418 (1980-12-01), Rosskamp
patent: 4570630 (1986-02-01), Elliott
patent: 4819625 (1989-04-01), Howe
patent: 4829997 (1989-05-01), Douwens
patent: 4905688 (1990-03-01), Vicenzi
patent: 5054478 (1991-10-01), Grychowski

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