Carbon dioxide indicator device

Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Calorimeter

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422 57, 422 59, 422 85, 422 86, 422 88, 12820714, G01N 3352

Patent

active

047284994

ABSTRACT:
A rapid response device for the detection of carbon dioxide in a concentration of more than 2% in a gas mixture comprising an indicator component mounted within an enclosure with a transparent window, the component comprising a carrier having fixedly attached thereto an indicating element formed from an aqueous solution of a colorless Lewis base, a hygroscropic, high boiling, transparent, colorless, water-miscible liquid and a pH-sensitive indicator, the enclosure being sealed for storage under a carbon-dioxide free atmosphere; and a method for determining the correct placement of an endotracheal catheter using the device.

REFERENCES:
patent: 2136236 (1938-11-01), Draper
patent: 2638096 (1953-05-01), Waldhaus
patent: 2880072 (1959-03-01), Grosskopf
patent: 2890177 (1959-06-01), Kilmer
patent: 3067015 (1962-12-01), Lawdermilt
patent: 3068073 (1962-12-01), Stanford
patent: 3113842 (1963-12-01), Udall
patent: 3114610 (1963-12-01), Gafford et al.
patent: 3238020 (1966-03-01), Eiseman, Jr.
patent: 3420635 (1969-01-01), Davis
patent: 3507623 (1970-04-01), McConnaughey
patent: 3754867 (1973-08-01), Guenther
patent: 4003709 (1977-01-01), Eaton et al.
patent: 4019862 (1977-04-01), Dahms
patent: 4389372 (1983-06-01), Lalin
patent: 4557901 (1985-12-01), Koyama et al.
P. K. Birmingham et al., "Esophageal Intubation", Anesth Analg, 1986, 65, 866-891.

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