Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Using disinfecting or sterilizing substance
Patent
1989-04-24
1992-05-26
Johnston, Jill A.
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Using disinfecting or sterilizing substance
422 16, 422292, 422293, A61L 218
Patent
active
051165759
ABSTRACT:
Medical instruments, which may include brass, copper, aluminum, stainless steel, carbon steel, or plastic parts are microbially decontaminated (sterilized or disinfected) in an antimicrobial solution. To provide a long shelf life, premeasured doses of powdered reagents are sealed in an ampule until ready for use. The powdered reagents are selected such that they react in the presence of water to form a strong oxidant solution in an appropriate concentration to be effective as an antimicrobial. The preferred powdered reagents include acetylsalicylic acid and sodium perborate which react in the presence of water to form a peracetic acid solution. Moreover, these dry reagents form sodium metaborate and salicylic acid, both corrosion inhibitors to inhibit corrosion of metal parts of the medical instruments. The ampule may also hold a preselected dose of phosphate or other water soluble corrosion inhibitors and a wetting agent.
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Badertscher Duncan C.
Kralovic Raymond C.
Johnston Jill A.
Steris Corporation
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