3M? Attest? Biological Indicators ? 25 per box for use in 'Flash' Gravity Steam Sterilization.
Biological indicators provide the best assurance of sterility by challenging the sterilizer with quantifiable, highly resistant spores. Biological indicators are used for load control monitoring which is the process by which a load is monitored and released based on the result of a biological indicator (BI) in a test pack.
Self-contained BI for 132øC (270øF) gravity steam cycles consists of:
After sterilization, the vial is 'crushed' to join the growth media with the processed spore strip. The BI is incubated for 24 hours for a visual color change readout. A color change to yellow indicates surviving spores and a positive result.