Biological Evaluation for Medical Devices – UK MDR & EU MDR Compliance Support
Biological evaluation is a required regulatory process for medical devices and IVDs that come into contact with the human body. At MedTech Consultancy, we provide expert guidance and implementation support to ensure your biological evaluation reports (BER) meet UK MDR and EU MDR requirements and pass regulatory scrutiny with confidence.
Whether you are preparing documentation for CE marking, UKCA marking, or clinical compliance, our experienced consultants help you establish a rigorous and compliant biological evaluation process.
What Is Biological Evaluation?
Biological evaluation is the assessment of the potential biological risks associated with direct or indirect contact between a medical device and the human body. It is a crucial part of demonstrating safety and regulatory compliance.
Standards such as:
- ISO 109931
- UK MDR & EU MDR regulations
require manufacturers to plan, conduct, and document biological evaluation activities.
A compliant biological evaluation demonstrates that your device:
- Is safe for its intended use,
- has appropriately assessed biological risks,
- has adequate supporting evidence.
Key Steps in the Biological Evaluation Process
A wellstructured biological evaluation typically includes:
Biological Evaluation Plan (BEP)
Defines:
• Scope of evaluation
• Relevant biological endpoints
• Testing strategy and justification
Material Characterisation
Review of:
• Device materials
• Contact types and duration
• Chemical constituents
Risk Assessment
Assessment of potential biological hazards based on:
• Exposure levels
• Toxicological profiles
• Clinical context
Testing & Data Review
Selection and execution of appropriate tests:
• Cytotoxicity
• Sensitisation
• Irritation and Systemic toxicity
(where applicable and justified)
Biological Evaluation Report (BER)
A documented summary that:
• Presents evidence and data
• Demonstrates compliance
• Supports regulatory submissions
Why Biological Evaluation Matters
Biological evaluation is essential to:
✔ Satisfy regulatory requirements under UK MDR & EU MDR
✔ Support CE marking and UKCA submissions
✔ Demonstrate product safety to regulators and notified bodies
✔ Reduce risk of nonconformities and delays
Incomplete or poorly documented biological evaluation can lead to:
❌ Regulatory rejections
❌ Additional testing requirements
❌ Increased time to market
Our Biological Evaluation Services
At MedTech Consultancy, we partner with developers and manufacturers to deliver:
Biological Evaluation Planning
We define a compliant strategy tailored to your device, materials, and regulatory pathway.
Material and Toxicological Assessment
We analyse your device materials and identify risks based on exposure, chemistry, and intended use.
Test Selection & Justification
We recommend appropriate biological tests and provide scientific justification where testing is waived.
Biological Evaluation Report (BER) Preparation
We prepare BERs that meet regulatory expectations and stand up to auditor review.
Regulatory Submission Support
We help incorporate biological evaluation documentation into your technical file or regulatory dossier.
Who Needs Biological Evaluation Support?
Our services are ideal for:
✔ Medical device manufacturers
✔ In Vitro Diagnostic developers
✔ Digital health devices with body contact
✔ Startups preparing first certification
✔ Teams transitioning to UKCA/EU MDR
✔ Quality and regulatory teams needing auditready documentation
Our Process
- Initial consultation – Understand your device and contact conditions
- Scope definition – Biological endpoints and evaluation plan
- Assessment & data analysis – Material, exposure, and risk review
- Report preparation – Draft and finalise BER
- Submission support – Help integrate BER into your technical file
We work collaboratively with your team to ensure biological evaluation documentation is rigorous, defensible, and ready for regulatory review.
Why Work with MedTech Consultancy
🔹 Deep understanding of ISO 109931 biological evaluation standards
🔹 Practical, regulatoryaligned documentation practices
🔹 Support for both UKCA and CE marking pathways
🔹 Experience across device classes and exposure profiles