Ethylene oxide sterilization

Also called: EO, EtO

Ethylene oxide sterilization — A low-temperature gas sterilization process, typically run at about 30–54 °C, for devices that cannot tolerate steam.

Ethylene oxide penetrates packaging and long lumens well, which makes it suitable for complex and heat-sensitive devices. It is toxic, so loads need aeration after the cycle to bring residues down to the limits in ISO 10993-7.

Paper-film reels, Tyvek® reels and crepe wrap can be used, with EO-specific indicator tape outside the pack and EO indicators inside.

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