Device for monitoring sterilization process utilizing 100% ethylene oxide
AssigneePyMaH Corporation
InventorsRaymond P. Larsson, Judith Nieves
Life of this patent
Estimating the term…
Abstract
A device is disclosed for monitoring an ethylene oxide sterilization process in which 100% ethylene oxide is utilized as the sterilant comprising a wick impregnated with an ethylene oxide responsive chemical compound, a quantifier and a pH sensitive dye; an ethylene oxide impervious backing strip upon which the wick is mounted; and a cover strip having an ethylene oxide impervious film. The backing and cover strip are adhered to one another, and in intimate contact with and sealed to the wick. At least one of the cover strip and backing strip having a centrally located perforation through which the ethylene oxide sterilant can access the wick.
Claims19
A device for monitoring an ethylene oxide sterilization process in which 100% ethylene oxide is utilized as the sterilant comprising:
- (a) a wick means, said wick means being impregnated with an ethylene oxide responsive chemical compound, a quantifier and a pH sensitive dye;
- (b) an ethylene oxide impervious backing strip upon which the wick means is mounted;
- and
- (c) a cover strip comprising an ethylene oxide impervious film;
- said backing and cover strip being adhered to one another, and in intimate contact with and sealed to the wicking means;
- at least one of said cover strip and backing strip having a centrally located perforation of about 0.3 to about 1.6 mm in diameter, through which the ethylene oxide sterilant can access the wick means.
Dependencies are inferred from the claim text.