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Biological Indicators for Sterilization

Biological indicators (BIs) provide information on whether necessary conditions were met to kill a specified number of microorganisms (bacterial spores) for a given sterilization process. STERIS’s full portfolio of biological indicators offer testing for a variety of applications including steam sterilization and vaporized hydrogen peroxide (VHP) sterilization. In these applications, Geobacillus stearothermophilus spores are primarily used due to their high resistance to these sterilization processes.

BIs are typically used within process challenge devices (PCD), designed to represent the most challenging products routinely processed for autoclave sterilization testing. A passing result for the BI within the PCD demonstrates that the sterilization cycle was effective at inactivating the BI, providing Sterile Processing Department staff with a level of assurance in their steam or VHP sterilization process.

Browse STERIS biological indicators including self-contained biological indicators (SCBI) and process challenge devices or test packs. These devices play a critical role in sterility assurance and provide the only direct measure of the lethality of the sterilization process.

Celerity 20 Steam BI

CELERITY™ 20 STEAM BIOLOGICAL INDICATOR

  • Fast 20-minute results for load monitoring
  • Easy to use twist and flick activation means no separate activator needed
  • Integrated barcode label makes electronic documentation easy

Celerity 20 Steam Process Challenge Device

Celerity™ 20 STEAM Process Challenge Device

  • Fast 20-minute results for load monitoring
  • Compact process challenge device for easy testing and quick interpretation
  • Validated for either dynamic air removal or gravity steam sterilization cycles

Celerity 20 STEAM IUSS Biological Indicator

Celerity™ 20 Steam Biological Indicator for IUSS

  • Validated for gravity IUSS cycle monitoring
  • Quick device turnaround with results in just 20 minutes
  • Integrated barcode makes electronic documentation easy

Celerity Xtend

Celerity™ Xtend 10 Assembly

  • Biological Indicator (BI) Test Pack validated for extended
    10-minute cycles
  • 20-minute BI incubation time for fast results and quick
    device turn-around
  • Validated for use only with the VERIFY All-In-One STEAM Reusable Test Pack

VERIFY Assert Self-Contained Biological Indicator

VERIFY® Assert™ Self-Contained Biological Indicator

  • Provides results within 40 minutes
  • Self-contained biological indicator used for routine monitoring, qualification, and product testing
  • Easy to use and activate – no separate activator is required

VERIFY Assert Steam Process Challenge Device

VERIFY Assert Steam Process Challenge Device

  • Rapid results within 40 minutes
  • Used for routine monitoring, qualification, and load monitoring of dynamic air removal cycles (LCB032/LCB033) and for qualification, routine microbial monitoring, and cycle monitoring of gravity cycles (LCB043)
  • Equivalent to an ANSI/AAMI ST79 16-Towel Biological Indicator Test Pack
  • Lightweight and compact biological indicator process challenge device

Biological Steam

VERIFY® Biological STEAM Test Pack

  • Provides results in 24 hours
  • Chemical Indicator provides immediate knowledge of steam sterilization failures
  • Equivalent to an ANSI/AAMI ST79 16-Towel Test Pack

BI Challenge pack

VERIFY® Biological/Integrator Challenge Pack

  • Provides results in 24 hours
  • Type 5 chemical integrator provides immediate knowledge of steam sterilization failures
  • Equivalent to an ANSI/AAMI ST79 16-Towel Test Pack

Dual

VERIFY® Dual Species Self-Contained Biological Indicators

  • Provides results within 24 hours for steam sterilization
  • Provides results within 48 hours for ethylene (EO) Sterilization

STERIS BI and Incubator 18347

Celerity™ 20 HP Biological Indicator

  • Provides fast results within 20 minutes
  • Easy-to-use and activate – biological indicator requiring no separate activator
  • Single-use biological indicator for use with V-PRO® Low Temperature Sterilization Systems and STERRAD Systems*1

Celerity 20 HP Challenge Pack

Celerity™ 20 HP Challenge Pack

  • Provides results within 20 minutes of incubation
  • Qualification of V-PRO® Low Temperature Sterilizers in less than four hours
  • Sterilization challenge pack includes the Celerity™ 20 HP Biological Indicator, a chemical indicator strip and a blue polyurethane foam sheet

V24

VERIFY® v24 Self-Contained Biological Indicator

  • Provides results in 24-hours
  • For use with V-PRO® Low Temperature Sterilization Systems and STERRAD Models*
  • Self-contained biological indicator, with a Type 1 chemical indicator

V24 Challenge pack

VERIFY® v24 Challenge Pack

  • Provides results in 24 hours
  • Preassembled biological indicator challenge pack
  • Used for qualification of V-PRO Low Temperature Sterilization Systems

Celerity Steam Incubator

Celerity™ STEAM Incubator

  • Provides fast results of the Celerity™ 20 STEAM Biological Indicator in only 20 minutes
  • Audio and visual alarms aid in easy results interpretation
  • Offers electronic record keeping capabilities to assist with audits

Celerity HP Incubator

Celerity™ HP Incubator

  • Designed exclusively to incubate and read activated Celerity™ 20 HP Biological Indicators
  • Provides a final readout within 20 minutes
  • Audio and visual alarms for easy interpretation of results

VERIFY Incubator for Assert Self-Contained Biological Indicators

VERIFY Incubator for Assert™ Self-Contained Biological Indicators

  • Designed exclusively to incubate and read activated VERIFY® Assert™ Self-Contained Biological Indicators (SCBIs)
  • Provides a final readout within 40 minutes
  • Audio and visual alarms for easy interpretation of results

Incubators

VERIFY™ Incubators

  • For use with VERIFY® Biological Indicators
  • Tabletop incubator available for steam, VHP and EO biological indicators
  • Available in 6 or 28 well capacity, and a 28 well dual temperature incubator

* As of 8/9/2021 the Celerity 20 HP Biological Indicator has been validated for use in all cycles on the STERRAD 100NX, STERRAD NX and STERRAD 100S Sterilizers.

1 STERRAD® is the registered trademark of Advanced Sterilization Products.