Detection method and apparatus

Details Detection method and apparatus Detection method and apparatus

1981-07-31

1985-11-12

Cohan, Alan

Fluid handling

Processes

With control of flow by a condition or characteristic of a...

12820422, A62B 702

Patent

active

045521646

ABSTRACT:
A method and apparatus as disclosed herein to detect the presence of anesthetic gas in the oxygen-containing gas delivery line, for use with a system for administration of anesthetics, which anesthetics comprise predominantly a mixture of an anesthetic gas, for example, nitrous oxide, and an oxygen-containing gas. A sensor is provided to develop a first signal when the presence of anesthetic gas is detected in the oxygen-containing gas delivery line. The first signal is used to generate an output signal which is transmitted to an audio and/or visual warning device or means which will shut off the incoming oxygen-containing gas stream.

REFERENCES:
patent: 2299109 (1942-10-01), Rand
patent: 3593735 (1971-07-01), Reicher
patent: 4233513 (1980-11-01), Elder
patent: 4326807 (1982-04-01), Zochbauer

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