Anesthetic vaporizer

Details Anesthetic vaporizer Anesthetic vaporizer

1976-02-19

1978-02-21

Miles, Tim R.

Gas and liquid contact apparatus

Contact devices

Porous sheet

128188, 261DIG65, A61M 1700

Patent

active

040752976

ABSTRACT:
An anesthetic vaporizer comprises a housing having a liquid reservoir and a vaporizing chamber over the reservoir. A gas inlet into the housing provides for flow through a vaporizing passage and into the vaporizing chamber for subsequent flow outwardly above the chamber, through an outlet vaporizing passage, to an outlet for discharge to the place of use. The vaporizing passage includes a spirally wound wick tube disposed between an interior wall of the housing and an interior barrel of cylindrical shape which retains the tube in position. In addition a bypass passage connects the inlet to the outlet passage and a control is provided for regulating the flow through at least one of the passages so as to regulate the amount of the circulated gas which is enriched with vaporized anesthetic.

REFERENCES:
patent: 2442004 (1948-05-01), Hayward-Butt
patent: 3651805 (1972-03-01), Breiling
patent: 3713440 (1973-01-01), Nicholes

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