Mesa Labs Cotton Fiber EO Biological Indicator for Sterilization Validation (ME16100TT)
Cotton Threads – Ethylene Oxide
Reliable Biological Indicators for Gas Sterilization
Cotton Threads – Ethylene Oxide are woven cotton threads inoculated with Bacillus atrophaeus. Each thread is packaged in Tyvek®/Mylar® envelopes for sterility and ease of handling. These threads are ideal for placement in tubing, lumens, and other hard-to-reach areas where monitoring sterilization is critical.
Available Models
- 1-6100TT (100 threads per bag)
Indications for Use
Bacillus atrophaeus cotton threads serve as industrial biological indicators for validating Ethylene Oxide and gas sterilization processes. They provide reliable, consistent results in challenging sterilization locations.
Packaging Details
Threads are individually packaged in Tyvek®/Mylar® envelopes and supplied in bags of 100 units. This packaging maintains sterility and simplifies handling during sterilization validation.
Labeling Information
- Each thread is labeled with lot number and expiration date for traceability.
- Each bag includes a self-adhesive label on the outside to further identify the product.
Integrate additional biological indicators into your workcycle, such as the Spore Strip Ethylene Oxide and Dry Heat, which provides paper‑based indicators suited for gas and dry heat processes, or the Custom MesaStrip – Ethylene Oxide, offering microstrip biological indicators for validation in confined or specialized load configurations. For broader sterilization cycle verification across multiple modalities including steam, ethylene oxide, and dry heat, selecting the Mesa Spore Test Strips enhances your quality control arsenal with standardized spore carrier strips designed to meet industrial traceability and compliance requirements.
Q&A
How are the cotton threads used for sterilization validation?
Remove threads from the envelopes and place them in tubing, lumens, or other areas of the device to monitor Ethylene Oxide sterilization efficacy. Incubate after sterilization to assess growth and confirm sterilization.
What is the storage requirement for these threads?
Store at recommended temperature (usually 2–8 °C) to preserve spore viability. Avoid exposure to heat or moisture.
Can these threads be used for other sterilization methods?
No, these threads are specifically validated for Ethylene Oxide/Gas sterilization. For steam or dry heat sterilization, use threads or spore suspensions validated for those methods.
Where can I find similar biological indicator threads?
| Organism | Bacillus atrophaeus 93721 |
| Spore Count | ≥1.0 x 106 |
| D-Value | ≥2.0 minutes |
| Z-Value | NA |
| Incubation | Time: 7 days Temperature: 30-35°C Media: SCDB |
| Storage | 15-27°C at 30-70% RH. Do not desiccate. |
| Shelf-Life | 12 months from date of manufacture |
| Nominal Dimensions | Thread: 1.5 x 19mm Envelope: 45 x 76mm |
| Price | $USD 1,730.00 |
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