A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 2/20 (2006.01) A61L 2/14 (2006.01)
Patent
CA 2350387
A method is provided for rapidly determining whether a load of equipment to be sterilized in a sterilization chamber absorbs, adsorbs, condenses, or decomposes significant amounts of germicide vapor or gas, such as hydrogen peroxide. The initial slope of the curve of a plot of 1n(c/c o) versus time is determined, where c is the concentration of hydrogen peroxide and c o is the maximum concentration of hydrogen peroxide. The initial slope is determined in the first 100 seconds after the maximum in the concentration of hydrogen peroxide. If the initial slope is approximately 0.016 sec-1 or less, the load is acceptable. If the initial slope is significantly steeper than 0.016 sec-1, the load absorbs, adsorbs, condenses, or decomposes significant amounts of hydrogen peroxide. If the slope of the curve is steep, the system can abort the sterilization run before significant amounts of hydrogen peroxide have been absorbed, adsorbed, or condensed.
Kohler James P.
Ethicon Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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