Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Using disinfecting or sterilizing substance
Patent
1993-02-25
1994-12-20
Alexander, Lyle A.
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Using disinfecting or sterilizing substance
422 32, 422292, 422294, A61L 218
Patent
active
053743946
ABSTRACT:
A bag (86) of medical wastes is inserted into a chamber (12) that contains a grinder (20). A package (48) is placed unopened in the chamber with the medical wastes. A selected volume of a dilutant such as water is added to the chamber (40, 42). The chamber is closed and the grinder operated for a selected duration. The grinder grinds the packaging, disposing of the packaging and permitting contained dry reagents (56, 58) such as acetylsalicylic acid and perborate to react with the dilutant, forming a peracetic acid solution or permitting a sterilant concentrate (70) to form an anti-microbial solution with the dilutant. The grinder continues to grind the packaging and the medical wastes into fine particulates forming a slurry with the peracetic acid solution. The continued operation of the grinder assures that the anti-microbial solution contacts all surfaces of the waste. In this manner, the medical wastes are microbially decontaminated. A color indicator (60, 78) is included with the packaging to provide a color indication as to whether the anti-microbial reaction is complete. For example, a Gentian Violet may be provided which fades to white to indicate completion of the decontamination process. Once decontaminated, the slurry is removed from the chamber and disposed of as non-contaminated waste materials. Optionally, fragrances and deodorants may be included in the package.
REFERENCES:
patent: 4578185 (1986-03-01), Wilson et al.
patent: 4618103 (1986-10-01), Wilson et al.
patent: 4619409 (1986-10-01), Harper et al.
patent: 5054696 (1991-10-01), Mennel et al.
patent: 5089228 (1992-02-01), Meijer
Alexander Lyle A.
Steris Corporation
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