A color change from purple to yellow indicates surviving spores and a positive result. The 3M Attest 290 Auto-reader was also cleared by the US FDA under 510(k) K004009 in March, 2002. The Attest 1292-S is speci cally designed for use in industrial applications. Then, the BI is incubated for a visual color change readout at 48 hours. The 3M Attest 1292-S is the same product design as the 3M Attest 1292, with narrower speci cations and modi ed packaging. After the steam sterilization process, the BI is activated to join the growth media with the processed spore strip. When processed, the chemical process indicator changes from rose to brown/black. The spore strip and media ampoule are contained in a plastic vial topped with a brown color-coded cap which includes a chemical process indicator on the label. This self-contained biological indicator (BI) consists of a Geobacillus stearothermophilus spore strip and a sealed glass ampoule with growth medium and a bromocresol purple pH indicator system. 3M has the technology, the tools, and the technical support you need to help you. When loads are released based on a final negative result of a Biological Indicator (BI), you want the confidence that the monitoring results are clear and reliable. Check dating of the Attest indicators used. 3M Attest Biological Indicators for Steam, Vaporized Hydrogen Peroxide and Ethylene Oxide. The ISO 11138-1:2017 and ISO 11138-3:2017 compliant 3M™ Attest™ Steam Biological Indicator, 1262/1262P, monitors the effectiveness of the steam sterilization process for 250☏/121☌ gravity displacement and 270☏/132☌ vacuum-assisted steam sterilization cycles and provides a final result in 48 hours. There is a problem with spore vitality, the growth media or the incubator temperature.
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