Ethylene oxide sterilizers are used in Medical Devices
Ethylene Oxide Sterilizers – A Powerful Sterilization Tool for Precision Medical Equipment For precision medical devices such as endoscopes, pacemakers, dialyzers, and ventilators, sterilization is crucial for ensuring safe diagnosis and treatment. Ethylene Oxide Gas Sterilization Equipment is a crucial sterilization tool for these devices. Endoscopes have complex cavities and delicate components that must not harbor pathogens. Pacemakers and artificial hearts operate continuously in the body, and microbial contamination can pose a fatal risk. Dialyzers come into direct contact with blood, and incomplete sterilization can compromise blood safety. Ventilator tubing and components must be kept clean to prevent cross-infection.
Typical Medical Device Applications
Why Use EO Sterilization?
EO sterilization operates between 35°C and 60°C, drastically reducing thermal stress compared to steam. It is ideal for materials sensitive to high temperature, moisture, radiation, and pressure.
- Low Temperature: Protects delicate polymer and electronic assemblies.
- Strong Penetration: Ideal for long lumens and multilayer packaging.
- Broad Compatibility: Suitable for PE, PP, PU, and Silicones.
Process Parameter Specifications
| Parameter | Typical Range |
|---|---|
| Sterilization Temperature | 35°C – 60°C |
| EO Concentration | 450 – 1000 mg/L |
| Relative Humidity | 40% – 80% RH |
| Vacuum Level | -60 kPa to -95 kPa |
| Exposure Time | 4 – 15 Hours |
Customized Solutions
Riches designs EO systems tailored for medical manufacturers. From Large chamber EO sterilizers to Cleanroom-compatible layouts, we ensure compliance with ISO11135 and ISO10993 standards.
Sterilization FAQ
A: Yes. EO gas penetration combined with controlled vacuum cycles is ideal for narrow internal channels and multilayer packaging.
A: Polyethylene, Polypropylene, Polyurethane, Silicone, and Medical nonwoven materials are highly compatible.
A: Residual EO is reduced through heated aeration cycles using high-efficiency airflow and ventilation systems.