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Glossary

EU MDR (Medical Device Regulation)

Full name: Regulation (EU) 2017/745, Medical Device Regulation
EU MDR, officially Regulation (EU) 2017/745, governs the production, distribution, marketing and oversight of medical devices sold within the European Union. It replaced the earlier Medical Device Directive with a more comprehensive, lifecycle-based framework, requiring manufacturers to maintain a quality management system, technical documentation, post-market surveillance, and undergo conformity assessment by a Notified Body before achieving CE marking. 

Quick facts

Category European Union medical device regulatory framework
Used by Medical device manufacturing and distribution within the European Union
Also called MDR
Related standards ISO 13485, ISO 14971
Related processes Product design controls, risk assessment, UDI, notified body, quality agreement
Semantic match EU MDR, Medical Device Regulation, CE marking, European medical device compliance

What is EU MDR (Medical Device Regulation)?

EU MDR entered into force in 2017, with full application beginning in 2021, replacing the previous Medical Device Directive with a significantly more comprehensive, lifecycle-based regulatory framework covering the entire life of a medical device from design through post-market monitoring.

The regulation's General Safety and Performance Requirements, found in Annex I, define the essential outcomes manufacturers must demonstrate for device safety, clinical performance, design, manufacturing and labeling, rather than prescribing exactly how those outcomes must be achieved. Manufacturers provide objective evidence of compliance through detailed technical documentation.

EU MDR expanded regulatory scope compared to its predecessor, including specific aesthetic devices and formally regulating Software as a Medical Device, and introduced staggered transitional timelines for previously certified legacy devices based on device classification.

Why is EU MDR (Medical Device Regulation) important?

EU MDR compliance is required to legally market medical devices within the European Union, making it essential regulatory infrastructure for any manufacturer serving this market.

The regulation's expanded post-market surveillance and vigilance reporting requirements reflect a shift toward continuous safety monitoring throughout a device's lifecycle, rather than treating conformity assessment as a one-time event at market entry.

Because EU MDR requires conformity assessment by an independent Notified Body for most device classes, manufacturers must build relationships with these third-party organizations well in advance of planned market entry, given assessment timelines can be lengthy.

How does EU MDR (Medical Device Regulation) work?

EU MDR's key requirement areas include:

  1. Quality management system. Maintain a QMS, typically aligned with ISO 13485.
  2. Technical documentation. Compile evidence demonstrating compliance with General Safety and Performance Requirements.
  3. Risk management. Identify, analyze, evaluate and control device risks throughout the lifecycle.
  4. Conformity assessment. Undergo assessment by a Notified Body for most device classes.
  5. UDI assignment. Assign a Unique Device Identifier supporting traceability.
  6. Post-market surveillance. Monitor device performance and report vigilance data after market entry.

EU MDR vs. FDA 21 CFR Part 820

Comparison EU MDR FDA 21 CFR Part 820
Jurisdiction European Union United States
Conformity assessment Notified Body review and CE marking FDA inspection and clearance/approval pathways

Real-world examples of EU MDR (Medical Device Regulation)

A medical device manufacturer compiles technical documentation demonstrating compliance with each applicable General Safety and Performance Requirement before submitting for Notified Body review.

A company managing a legacy device previously certified under the Medical Device Directive plans its transition timeline to EU MDR compliance based on the device's specific classification and transitional deadline.

A manufacturer implements post-market surveillance processes to systematically collect and analyze complaint and performance data, meeting EU MDR's ongoing vigilance reporting expectations.

Regulations and standards related to EU MDR (Medical Device Regulation)

EU MDR is enforced by national competent authorities across EU member states, working through Notified Bodies for conformity assessment, and supervised at the EU level by the European Commission and the Medical Device Coordination Group.

While not identical, EU MDR shares significant alignment with ISO 13485 and international risk management practices such as ISO 14971, and manufacturers often build a QMS that satisfies both EU MDR and other applicable regulatory frameworks simultaneously.

How QT9 helps with EU MDR (Medical Device Regulation)

QT9 QMS EU MDR capabilities

  • Manage technical files, risk, CAPAs, audits and training in one platform.
  • Support efficient creation, version control and approval workflows for traceable documentation.
  • Identify, analyze, evaluate, control and monitor risks linked to design and manufacturing.
  • Integrate nonconformance and CAPA management with automated root cause analysis.
  • Centralize UDI, labeling and post-market surveillance data for CE marking documentation.
  • Host data in the EU for local data residency and regulatory compliance.

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Common mistakes with EU MDR (Medical Device Regulation)

Common mistakes include underestimating the time required for Notified Body conformity assessment, particularly given increased demand and limited Notified Body capacity since EU MDR's introduction.

Other problems include treating technical documentation as a one-time compilation rather than a living body of evidence that must be maintained and updated as post-market data accumulates.

Frequently asked questions

EU MDR, Regulation (EU) 2017/745, replaced the earlier Medical Device Directive, introducing a more comprehensive, lifecycle-based regulatory approach to medical device safety and performance.
Found in Annex I of EU MDR, General Safety and Performance Requirements define the essential outcomes a device must achieve for safety, performance and design, which manufacturers demonstrate through technical documentation rather than following a prescribed design method.
Most device classes require conformity assessment by a Notified Body, an independent organization designated to evaluate technical documentation and confirm the device meets EU MDR requirements before CE marking.
Yes. EU MDR requires manufacturers to continuously monitor device performance after market entry, systematically collecting and reporting vigilance data rather than treating conformity as a one-time assessment.
A UDI, or Unique Device Identifier, is a code assigned to a medical device supporting traceability throughout its lifecycle, a specific requirement introduced under EU MDR.
Yes. Devices previously certified under the Medical Device Directive are subject to staggered transitional timelines to achieve EU MDR compliance, with specific deadlines varying by device classification.

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Last reviewed: July 21, 2026