What is ISO 17665?

ISO 17665 is officially titled:

“Sterilization of health care products — Moist heat — Requirements for the development, validation and routine control of a sterilization process for medical devices”

It is divided into multiple parts:

  1. ISO 17665-1:2021General requirements
  2. ISO 17665-2:2009Guidance on the application of ISO 17665-1
  3. (A third part is currently under development to further expand usability and clarity.)

This standard provides a framework for designing, validating, and routinely controlling moist heat sterilization processes, particularly in hospital sterilization units, medical device manufacturing, and contract sterilization services.

Why is ISO 17665 important?

Sterilization failures can lead to severe patient harm, regulatory penalties, or product recalls. Moist heat (typically involving saturated steam under pressure) is one of the most effective and widely used sterilization methods, but it must be validated for efficacy, repeatability, and safety.

ISO 17665 is the global reference for ensuring sterilization cycles:

  1. Deliver required microbial lethality (SAL)
  2. Are validated and reproducible
  3. Meet health authority expectations (e.g., FDA, EU MDR, WHO)


What are the benefits of ISO 17665?

Adopting ISO 17665 brings several technical and operational benefits:

  1. Validated Sterilization Cycles: Ensure processes consistently kill microbial life
  2. Improved Quality Assurance: Documented proof of sterility for audits and inspections
  3. Standardized Process Control: Harmonized documentation and performance monitoring
  4. Patient Safety: Helps prevent hospital-acquired infections (HAIs) and cross-contamination
  5. Global Market Acceptance: Facilitates product acceptance in regulated markets


What kind of businesses can benefit from ISO 17665?

Here's how ISO 17665 supports your business:

  1. Ensure Compliance with Global Regulations

          Meet standards set by ISO, WHO, FDA, EU MDR, and other healthcare regulators.

  1. Improve Operational Efficiency

          Reduce batch failures, reprocessing, and downtime by standardizing procedures.

  1. Enhance Product Safety and Brand Reputation

          Demonstrate a commitment to patient and user safety through validated sterilization.

  1. Facilitate Certification and Inspections

          Streamline ISO 13485, ISO 9001, and GMP compliance with aligned sterilization processes.

  1. Support Device Approval and Market Entry

          Required documentation for CE marking, FDA 510(k), and other regulatory pathways.

  1. Minimize Risk and Liability

          Traceable, documented sterilization processes reduce legal and clinical risks.


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