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Ethylene Oxide

Ethylene Oxide (EO) is a proven and reliable sterilization process used worldwide since the 1940s. Today, EO has evolved into a sophisticated, validated process, facilitated by advanced software that delivers a sterilization cycle tailored to a client's unique product requirements.

What it is:
Based on a gas diffusion process, EO is capable of sterilizing and rendering products free of viable microorganisms. Sterility occurs when an EO gas molecule reacts with and destroys the microbial DNA. The process requires the simultaneous control of four variable, but interdependent parameters: gas concentration, temperature, relative humidity and time of exposure. EO effectiveness depends on its ability to freely diffuse through a product and packaging. All products must be placed in breathable packaging that allows gas to penetrate the sterile barrier and reach all surfaces of the device or product..

Best Suited For:
EO is considered the sterilization method with the broadest application available for medical products due to its effectiveness at lower temperatures and its general compatibility with a diversity of materials, resins and product types, including:
> Polymer resin-based products
> Single-use medical devices
> Procedure kits
> Surgical trays
> Synthetic gowns
> External terminal sterilization of sealed combination device/drug devices (filled syringes, drug coated stents)

Key Benefits:
The EO process delivers a wide variety of sterilization benefits:
Sterilization at Low Temperatures - Ensures the integrity of both the product and packaging
Product Compatibility - Effectively sterilizes a broad range of polymers, resins, natural materials and metals as well as dual drug/device combination products that require external contact surface sterilization


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