Gas humidification apparatus

Details Gas humidification apparatus Gas humidification apparatus

1976-07-23

1977-08-30

Miles, Tim R.

Gas and liquid contact apparatus

Contact devices

Liquid tank

128186, 128194, 2224007, 261DIG65, B01F 304, A61M 1500

Patent

active

040455254

ABSTRACT:
Apparatus for administering humidified gas (e.g., oxygen) to a patient includes a plastic connector for connection to an oxygen supply and having an oxygen supply tube therein. A spike portion on the connector or on a diffuser at the lower end of the supply tube is caused to pierce the stopper in an intravenous solution bottle after which the supply tube is pushed to the bottom of the solution bottle. Oxygen from the supply tube is delivered to the bottom of the bottle through small holes at the bottom end of the supply tube or in the diffuser. The humidified oxygen enters a chamber formed by a part of the interior of the connector portion that is not occupied by the supply tube. The humidified gas then leaves the chamber and enters a conduit on the connector that is telescoped with a nasal cannula. The connector has a hole covered by the cannula tubing or by another piece of tubing such that the tubing expands upon excess pressure being in the connector to act as a safety valve.

REFERENCES:
patent: 2342602 (1944-02-01), Reitz, Jr.
patent: 2770319 (1956-11-01), Hagenbook
patent: 3572660 (1971-03-01), Mahon et al.
patent: 3682168 (1972-08-01), Deaton
patent: 3744771 (1973-07-01), Deaton
patent: 3771721 (1973-11-01), Amerongen
patent: 3806102 (1974-04-01), Valenta et al.
patent: 3834385 (1974-09-01), Pekkarinen
patent: 3834682 (1974-09-01), McPhee

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