Sterilizing system and method

Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Using disinfecting or sterilizing substance

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422 1, 422 28, 422294, 239 55, A61L 200

Patent

active

051607000

ABSTRACT:
A sterilizing system includes a sealed container releasably containing a gaseous sterilant under pressure and a first enclosure made at least partially of a gas-permeable material. The container and the articles to be sterilized are disposed in and sealed within the first enclosure, the container while in the sealed first enclosure being manipulatable to release gaseous sterilant into the sealed first enclosure. A second enclosure in which the first enclosure is disposed is constructed such that the sterilant released into the first enclosure from the container diffuses through the gas-permeable material of the first enclosure into the second enclosure at a rate capable of establishing sterilizing conditions in the first enclosure during a sterilizing cycle to thereby effect sterilization of the articles in the first enclosure. A moisture-releasing humidifying device is disposed within the first enclosure for releasing moisture into the first enclosure during the sterilization cycle, and a regulating system comprising an exhaust device is operable to exhaust the sterilant gas from the second enclosure to minimize the amount of sterilant gas in the second enclosure, thereby providing for minimized residue sterilant in the surrounding work area.

REFERENCES:
patent: 3476506 (1969-11-01), Andersen et al.
patent: 4590037 (1986-05-01), Kaye
patent: 4671936 (1987-06-01), Barron
patent: 4770851 (1988-09-01), Joslyn
patent: 4909999 (1990-03-01), Cummings et al.
patent: 4937046 (1990-06-01), Andersen et al.
patent: 5082636 (1992-01-01), Andersen

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