Cleaning Validation

The cleaning validation is performed to demonstrate the accuracy and effectiveness of procedures for removing soil, microorganisms, and contaminants prior to the sterilization of devices.

What is Cleaning Validation?

Cleaning validation is a process for scientifically verifying the suitability, consistency, and effectiveness of cleaning processes for medical devices. This process ensures that devices are clean and contaminant-free before reuse.

Why should Cleaning Validation be performed?

• Patient Safety: Uncleaned or inadequately cleaned devices increase the risk of infection.
• Regulatory Compliance: Health authorities and international standards mandate validation.
• Process Control: It controls the effectiveness of cleaning procedures and enables process optimization.
• Documentation and Traceability: It documents the conformity of cleaning procedures with standards, thereby ensuring quality assurance.

How is Cleaning Validation Performed?

1. Definition of Cleaning Procedures: The cleaning equipment, detergents, temperatures, times, and other parameters to be used are defined.
2. Selection of Contaminants: Suitable contaminants (proteins, lipids, microorganisms, inorganic residues) are selected for the test.
3. Application of Test Methods: Using biomarkers (protein residue tests, microbiological analyses, etc.), it is determined whether contaminants have been removed from the device surfaces.
4. Data Analysis and Reporting: The effectiveness of the cleaning process is evaluated, and a validation report is prepared.

Key Considerations for Medical Device Cleaning Validation

• Cleaning Device Capacity and Performance
• Type and concentration of cleaning agents used
• Cleaning temperature and duration
• Diversity and load of contaminants
• Material properties of the tested device components

Our Scope of Services

• Determination of cleaning agent residues (anionic surfactants) – ISO 2271, ASTM F2459
• Determination of ethylene oxide residues (C₂H₄O) – EN ISO 10993-7 Annex B
• Determination of ethylene chlorohydrin (HOCH₂CH₂Cl) residues – EN ISO 10993-7 Annex B
• Determination of oil and grease residues – ASTM F2459
• Determination of total hydrocarbon residues (THC) – EN ISO 9377-2 Annex C
• Protein Residue Test – BCA Protein Assay Kit Method
• Metal Residue Test – ISO 7886-1 Annex A, ISO 7886-1 Annex F