Visual detector for vaporized hydrogen peroxide

Details Visual detector for vaporized hydrogen peroxide Visual detector for vaporized hydrogen peroxide

2007-03-06

2007-03-06

Jastrzab, Krisanne (Department: 1744)

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Process control in response to analysis

C422S001000, C422S028000, C422S119000, C422S292000, C436S001000

Reexamination Certificate

active

10624770

ABSTRACT:
A method and apparatus for sensing the concentration of a gaseous sterilant in a sealable enclosure. An indicator is provided that has a chemistry such that the indicator changes color when exposed to vaporized hydrogen peroxide (VHP). The chemistry is adapted to react when exposed to a specific minimum concentration of vaporized hydrogen peroxide for a specific minimum period of time. In this manner, it can be visually determined whether articles (e.g., medical instruments and like devices) located within the sealable enclosure have been exposed to a minimum threshold of vaporized hydrogen peroxide.

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