Ethylene oxide sterilization and aeration indicator

Details Ethylene oxide sterilization and aeration indicator Ethylene oxide sterilization and aeration indicator

1982-12-30

1987-06-09

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Calorimeter

422 30, 422 34, 422 57, 422 86, 436 1, G01N 3100, G01N 3110

Patent

active

046719369

ABSTRACT:
Means are provided for the monitoring of a sterilization procedure employing alkylene oxide, particularly ethylene oxide, to sterilize medical equipment, especially heat-sensitive equipment, and especially for monitoring the aeration of the so-sterilized goods and articles to desorb the retained alkylene oxide, which means employ interaction of the alkylene oxide with a cation-exchange resin and subsequent aeration of the cation exchange resin coupled with pH indicator means sensitive to changes in the ion exchange resin effected by the alkylene oxide employed in the sterilization and subsequently by the air employed in the desorption step.

REFERENCES:
patent: 2751081 (1956-06-01), LaMotte
patent: 3851043 (1974-11-01), Gunther
patent: 3992154 (1976-11-01), Whithourne
patent: 4015937 (1977-04-01), Miyamoto et al.
patent: 4407960 (1983-10-01), Trafnyek
patent: 4423005 (1983-12-01), Murtaugh et al.

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