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The Subtract to Ship: MDR Blog
642 in-depth guides on EU MDR certification for MedTech startups. By Tibor Zechmeister and Felix Lenhard.
Browse by category
Start here — 70 guides
The MDR structure, actors, and core concepts every founder must understand before touching Annex I.
- What MDR 2017/745 actually regulates
- Notified Bodies, competent authorities, MDCG
- Classification rules and conformity routes
- Transition periods and 2023/607 amendment
Annex VIII Rules 1-22 — 46 guides
How to classify your device correctly the first time — and why getting it wrong costs months.
- Class I, IIa, IIb, III decision logic
- Rule 11 for software (SaMD)
- Classification justification document
- Borderline and qualification calls
Article 61 and Annex XIV — 51 guides
Clinical evidence that survives a Notified Body review, without burning your runway on unnecessary studies.
- Clinical Evaluation Report (CER)
- Equivalence and its three-dimensional proof
- When you need a clinical investigation
- PMCF planning and reporting
Articles 83-92 — 41 guides
Post-market surveillance and vigilance without turning it into paperwork theater.
- PMS plan and Annex III content
- Serious incident reporting timelines
- PSUR for Class IIa/IIb/III
- FSCA decisions and trend reporting
Annex II and labeling — 43 guides
Technical documentation that an auditor can navigate in minutes, not days.
- Annex II structure and GSPR mapping
- Device description and intended purpose
- Labeling and IFU requirements
- Cross-reference matrices
Identification and registration — 30 guides
Everything you need to know about EUDAMED, UDI, and what the Member States still want on top.
- UDI-DI vs UDI-PI and Basic UDI-DI
- EUDAMED modules and status
- National registration (DMIDS, ANSM, BASG)
- Multi-market UDI strategy
ISO 13485 + MDR Article 10(9) — 57 guides
A lean quality management system that passes audits without drowning the team.
- Minimum viable QMS for startups
- Design controls and design history
- CAPA without bureaucracy
- Supplier qualification
EN ISO 14971 + Annex I — 1 guides
Risk management that drives real design decisions, not a document produced for its own sake.
- ISO 14971 risk management file
- Hazards, hazardous situations, harm
- Risk controls and residual risk
- Benefit-risk and Annex Z trap
IEC 62304 + Rule 11 — 55 guides
Software as a Medical Device from first commit through post-market, without pretending you're not agile.
- Software safety classification (A/B/C)
- Requirements, architecture, verification
- SOUP and open source handling
- Significant change under Article 120
AI Act and Rule 11 — 40 guides
How MDR's static framework fits adaptive algorithms, and where the AI Act adds obligations.
- AI Act and MDR dual classification
- Training data and dataset hygiene
- Drift, explainability, transparency
- PCCP-style change control
EN 60601-1 and friends — 36 guides
Electrical safety, EMC, and systems engineering for medical hardware — from PCB to test lab.
- EN 60601-1 general requirements
- EN 60601-1-2 EMC
- Particular standards (60601-2-xx)
- Home, emergency, closed-loop devices
FDA + IMDRF + MDSAP — 45 guides
Market access beyond Europe, starting with the US and the major IMDRF jurisdictions.
- FDA 510(k), De Novo, PMA
- QMSR and ISO 13485 alignment
- MDSAP and one-audit strategy
- Country playbooks
PMF and strategy — 49 guides
Product-market fit, business models, and startup strategy for regulated MedTech — not a SaaS playbook.
- MedTech PMF reality check
- Beachhead markets
- Hospital procurement
- Case studies and pivots
Capital and reimbursement — 41 guides
How MedTech founders raise money, control burn, and plan for reimbursement from the first pitch.
- Angels, VC, strategic investors
- Non-dilutive funding (EIC, BMBF)
- Reimbursement by country
- HTA and value-based pricing
Team and operations — 37 guides
Building the team, supply chain, and operations layer that MDR actually requires.
- PRRC and RA hiring
- CMO and supplier management
- Scaling production under MDR
- Acquisition readiness