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Food Additives and Contaminants/
ISO 10993-12 Toxicity Screening for Additive-Related CompoundsComprehensive Guide to ISO 10993-12 Toxicity Screening for Additive-Related Compounds Laboratory Testing Service
ISO 10993-12:2012 is a standard published by the International Organization for Standardization (ISO) that outlines the requirements for toxicity screening of additives related to plastics and rubber. This standard is part of the ISO 10993 series, which deals with biological evaluation of medical devices.
The legal and regulatory framework surrounding this testing service is governed by various international and national standards. Some of the key standards include:
The standard development organization responsible for developing and maintaining this standard is the ISO/TC 194 committee. This committee consists of experts from various countries who work together to develop standards related to biological evaluation of medical devices.
Standards evolve over time as new technologies and research emerge. Updates are made to reflect changes in scientific understanding, regulatory requirements, or industry practices. The latest version of this standard is ISO 10993-12:2012, which supersedes the previous edition (ISO 10993-12:2009).
The scope of ISO 10993-12:2012 covers the toxicity evaluation of additives related to plastics and rubber, including:
This standard is applicable to medical devices that come into contact with tissue or fluid, such as catheters, implants, and surgical instruments.
ISO 10993-12:2012 toxicity screening for additive-related compounds testing is a critical requirement for medical device manufacturers. The business and technical reasons for conducting this test are:
Consequences of not performing this test can include:
This testing is required for various industries, including medical device manufacturing, pharmaceuticals, and cosmetics. The risk factors associated with these products make it essential to conduct thorough toxicity evaluation.
The ISO 10993-12:2012 toxicity screening test involves the following steps:
1. Sample preparation: Preparing a representative sample of the additive-related compound
2. Testing equipment and instruments: Utilizing state-of-the-art equipment, such as spectrophotometers and chromatographs
3. Testing environment requirements:
Temperature: 20C to 25C (68F to 77F)
Humidity: 40 to 60
Pressure: Atmospheric pressure
4. Sample preparation procedures:
Weighing and mixing of samples
Preparation of solutions or suspensions
5. Testing parameters and conditions:
Concentration: Typically in the range of 0.1 to 10 (w/v)
Incubation time: Up to 72 hours
6. Measurement and analysis methods:
Spectrophotometry (UV, visible, or infrared)
Chromatography (GC, HPLC, or LC-MS/MS)
7. Calibration and validation procedures:
Regular calibration of equipment
Validation of test methods against reference standards
8. Quality control measures during testing:
Use of certified reference materials
Participation in proficiency testing schemes
The test results are documented and reported according to the following guidelines:
1. Report format and structure:
Introduction: Test purpose, scope, and methodology
Results: Tabulated or graphical presentation of data
Discussion: Interpretation of results and conclusions
2. Certification and accreditation aspects:
Accreditation to ISO 17025:2005 (General requirements for the competence of testing and calibration laboratories)
3. Traceability and documentation requirements:
Use of unique sample identifiers
Maintenance of test records, including raw data and analysis results
4. Reporting standards and formats:
Use of standard report templates (e.g., ISO/IEC 17025:2005 Annex D)
Compliance with regulatory requirements for reporting
Persuasive Conclusion
ISO 10993-12:2012 toxicity screening for additive-related compounds testing is an essential requirement for medical device manufacturers. The consequences of non-compliance can be severe, including product recalls and damage to reputation. Conducting thorough toxicity evaluation ensures the safety of patients, maintains product quality, and reduces liability risks.
By understanding the standard requirements and methodology, medical device manufacturers can ensure compliance with regulations and maintain a competitive edge in the market.