Dry incubators for biological indicators

Incubation of biological indicators for sterilization

At the end of the sterilization process, biological indicators must be incubated to verify whether bacterial growth has occurred, which would indicate failure of the sterilization.

Incubation must be carried out in microbiology incubators, which may also be very compact in size, such as dedicated well-type incubators.

Indicators in strips, threads, discs, or other carriers: must be removed from their pouch and incubated in tubes containing TSB
Self-contained indicators, glass ampoules, or SCBIs: already contain the culture medium, must be activated if required and incubated without further handling

Showing 1-3 of 3 item(s)

Incubator for biological indicators T up to 70°C

Dry incubators for biological indicators

Reference INC-13E

Incubator for biological indicators T up to 70°C

True Indicating

10-well incubator Ø 13 mm for self-contained indicators and glass ampoule indicators. Incubation of biological indicators with Bacillus atrophaeus and Geobacillus stearothermophilus spores.

Incubator for biological indicators T 37°C

Dry incubators for biological indicators

Reference NINC-E37

Incubator for biological indicators T 37°C

Etigam

15-well incubator for self-contained indicators, with activator. Incubation at 37 ± 2°C of self-contained biological indicators with Bacillus atrophaeus spores.

Incubator for biological indicators T 55-60°C

Dry incubators for biological indicators

Reference NINC-S60

Incubator for biological indicators T 55-60°C

Etigam

15-well incubator for self-contained indicators, with activator. Incubation at 55-60°C of self-contained biological indicators with Geobacillus stearothermophilus spores.

Incubation temperature of biological indicators

Culture media for biological indicators and self-contained indicators must be incubated at temperatures that vary depending on the microorganism:

Geobacillus stearothermophilus must be incubated at 55–65°C
Bacillus atrophaeus must be incubated at 30–37°C
Bacillus subtilis must be incubated at 30–40°C
Bacillus pumilus must be incubated at 30–35°C

Incubation time of biological indicators

Culture media for biological indicators have an incubation time of 7 days unless they are validated by the manufacturer for shorter incubation times, for example 24, 48, or 72 hours.

Self-contained indicators always have shorter incubation times, ranging from a few hours to 24, 48, or 72 hours.

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