Non-intrusive microwave decontamination of infectious waste

Details Non-intrusive microwave decontamination of infectious waste Non-intrusive microwave decontamination of infectious waste

1995-07-24

1998-08-11

Thornton, Krisanne

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Using microwave energy

219679, 219762, 25045511, 422186, 422307, 588227, 588258, A61L 200

Patent

active

057924210

ABSTRACT:
In a method and apparatus for decontaminating biomedical waste, the waste is introduced with moisture into a flexible, polymeric bag defining an internal volume and having a bursting point in response to expansion of the internal volume. The waste and moisture is then sealed within the bag, and the sealed bag is introduced into a decontamination chamber and subjected to microwave radiation within the chamber at a predetermined level and time sufficient to sterilize the waste. The decontamination chamber defines an internal surface spaced a predetermined distance from the flexible bag with the bag at about ambient temperature. The predetermined distance is (i) large enough to permit expansion of the bag within the space when the bag is subjected to the microwave radiation, and (ii) small enough to permit the internal surface to engage the bag and thereby prevent further expansion of the bag prior to reaching its bursting point in order maintain the bag in its sealed condition throughout the microwaving and decontamination process.

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patent: 5348235 (1994-09-01), Pappas
patent: 5413757 (1995-05-01), Kutner et al.

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