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ISO 13485 · MDR Article 10(9) · process architecture

How to structure a medical device quality management system

Build one operating system around the work your company performs, then map ISO 13485 and MDR obligations into it.

A useful QMS is not a collection of templates arranged in regulatory clause order. It connects management decisions, product development, suppliers, evidence, release and post-market feedback through defined owners and controlled records.

Updated 9 February 2025 14-minute guide Includes process map
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QMS ARCHITECTUREONE CONNECTED SYSTEM
03
COMPANY LAYER

How this manufacturer operates

Sites · people · technology · supply chain

02
REGULATORY LAYER

What the MDR adds

Strategy · evidence · UDI · PMS · vigilance

01
MANAGEMENT-SYSTEM LAYER

ISO 13485 foundation

Governance · resources · lifecycle · improvement

THE OUTPUT

Consistent decisions and objective evidence for each released device

The direct answer

Structure the QMS around processes, not around a folder tree

Start with the decisions and work that move a device through its lifecycle. Requirements from ISO 13485 and the MDR should be mapped into those processes, not implemented as parallel systems.

A FUNCTIONAL STRUCTURE

Shows how work moves

  • Each process has an accountable owner
  • Inputs lead to defined decisions and outputs
  • Interfaces between functions are visible
  • Records prove that the process operated
  • Feedback changes products and controls when needed
A WEAK STRUCTURE

Shows only where documents are stored

  • One procedure is created for every clause
  • ISO and MDR duties are duplicated
  • Templates exist without operating responsibility
  • Technical files are detached from the QMS
  • Complaints and changes do not update evidence
THE DESIGN PRINCIPLE

Use one process for one real flow of work. Add every applicable regulatory requirement to that process, identify the product-specific records it creates and maintain a matrix showing where each ISO and MDR requirement is covered.

Three connected layers

Separate the sources, integrate the controls

Select a layer to see its purpose. The layers explain where requirements originate, but the final QMS should combine them into shared operational processes.

THE FOUNDATION

A disciplined management system

ISO 13485 provides the framework for process control across management responsibility, resources, product realization, measurement, analysis and improvement.

  1. GOVERN

    Quality policy, objectives, roles, management review and resource decisions

  2. CONTROL

    Documents, records, competence, infrastructure, suppliers and validated processes

  3. IMPROVE

    Feedback, complaints, audit, nonconformity, CAPA and data analysis

DO NOT BUILD THREE QMSs

One complaint should enter one controlled process

That process can satisfy ISO 13485 complaint requirements, MDR vigilance and PMS duties, company service commitments and risk-management feedback at the same time.

A practical process map

Four process groups form the operating system

The exact names may vary. What matters is complete coverage, clear ownership and functioning interfaces between governance, the product lifecycle, enabling processes and feedback.

01GOVERNANCE

Set direction and accountability

  1. Regulatory strategy
  2. Quality policy and objectives
  3. Roles, PRRC and resources
  4. Management review
02PRODUCT LIFECYCLE

Create and maintain conformity

  1. Requirements and design
  2. Risk and clinical evidence
  3. Purchasing and production
  4. Verification and validation
  5. Release and market access
03ENABLING CONTROLS

Keep work competent and reproducible

  1. Documents and records
  2. Competence and training
  3. Infrastructure and software
  4. Supplier and validation control
04FEEDBACK AND IMPROVEMENT

Return evidence to decisions

  1. PMS and PMCF
  2. Complaints and vigilance
  3. Nonconformity and CAPA
  4. Audit and change control
MARKET AND PROCESS DATA→

Risk · clinical evaluation · design · suppliers · strategy · management review

INPUT

Every process starts with controlled information

Approved requirements, data, events, decisions or records enter through a defined trigger.

DECISION

Criteria convert input into action

Responsibilities, acceptance criteria, escalation rules and required reviewers must be explicit.

OUTPUT

Records prove the result

The process creates an approved record and sends relevant information to the next process.

MDR Article 10(9) coverage

Translate each legal subject into a process and record

The matrix is not the QMS itself. It is the coverage check showing where the legal requirement operates and which objective evidence an assessor can sample.

MDR subject
Primary QMS process
Typical controlled evidence
01

Regulatory compliance strategy

Regulatory strategy and change assessment
Qualification, classification, conformity route and change decisions
02

Management responsibility and resources

Governance, competence and management review
Roles, objectives, resource decisions, training and review outputs
03

Risk management

Lifecycle risk management integrated with design and PMS
Plan, analyses, controls, verification and benefit-risk conclusions
04

Clinical evaluation and PMCF

Clinical evaluation and post-market clinical follow-up
CEP, CER, PMCF plan, reports, literature and data-gap decisions
05

Product realization and series conformity

Design, purchasing, production, validation and release
Specifications, validations, supplier controls and release records
06

UDI and registration data

Regulatory operations and master-data control
UDI assignments, label data, registration review and update records
07

PMS, vigilance and reporting

Post-market surveillance, complaints and regulatory reporting
PMS outputs, reportability decisions, reports, trends and field actions
08

Improvement and corrective action

Nonconformity, CAPA, data analysis, audit and improvement
Investigations, causes, actions, effectiveness checks and escalations
KEEP THE MAP BIDIRECTIONAL

Requirements should point to processes, and processes should point to requirements

This makes omissions visible during implementation and helps an auditor move from a legal requirement to evidence or from a sampled process back to its regulatory basis.

Document architecture

Use the smallest hierarchy that keeps control clear

A large hierarchy does not create a mature QMS. Each level should have a distinct purpose, and product-specific evidence should remain connected without being copied into every procedure.

  1. 01
    DIRECTION

    Policy and QMS scope

    Commitments, system boundaries, exclusions and overall responsibility

    WHY
  2. 02
    PROCESS CONTROL

    Process maps and procedures

    Ownership, sequence, criteria, interfaces, outputs and records

    WHO · WHAT · WHEN
  3. 03
    EXECUTION DETAIL

    Work instructions and specifications

    Task-level methods where consistency depends on detailed instruction

    HOW
  4. 04
    OBJECTIVE EVIDENCE

    Forms, logs, reports and product records

    Proof that decisions and activities met defined requirements

    RESULT
WRITE

Describe the real process

Do not copy a standard into a procedure. Define how this organisation meets the requirement.

LINK

Reference authoritative records

A procedure may point to the risk file, technical documentation or register without duplicating it.

REMOVE

Delete fictional controls

If a step is not required or performed, do not include it merely because a template contains it.

TEST

Run the workflow before approval

Use a real device, supplier, complaint or change to reveal missing decisions and interfaces.

Implementation sequence

Build from scope to evidence, not from templates to signatures

The sequence below keeps documentation connected to the actual device, operating model and conformity route. Each gate produces inputs needed by the next one.

  1. 01
    SCOPE

    Define products, legal entities, sites and markets

    Fix the intended QMS boundaries, outsourced processes, applicable regulations and any justified non-applicability.

    OUTPUT

    Approved scope and applicability register

  2. 02
    WORK

    Map the real processes and their interactions

    Identify inputs, outputs, owners, decisions, records, metrics, interfaces and external providers.

    OUTPUT

    Process architecture and responsibility map

  3. 03
    COVERAGE

    Map ISO 13485 and MDR requirements

    Assign every applicable requirement to a process and identify missing controls or evidence.

    OUTPUT

    Requirements-to-process matrix and gap list

  4. 04
    DOCUMENT

    Create procedures and controlled tools

    Write only the detail needed for consistent decisions, then create forms, registers and templates that capture the required evidence.

    OUTPUT

    Approved document set ready for use

  5. 05
    OPERATE

    Train people and generate real records

    Run design, supplier, production, release, complaint, PMS and change workflows using actual products and data.

    OUTPUT

    Implementation evidence and corrected interfaces

  6. 06
    CHALLENGE

    Audit the system and review performance

    Complete internal audit, CAPA, management review and readiness checks before relying on the QMS for declaration or certification.

    OUTPUT

    Verified effectiveness and management decisions

Test the architecture

Use two traces to find broken interfaces

A document review can confirm coverage. A trace shows whether the QMS actually controls a device and responds when new information arrives.

TRACE A

Follow one released device forward

  1. Intended purpose and regulatory route
  2. Requirements, risks and design outputs
  3. Suppliers, verification and clinical evidence
  4. Release, declaration, label and registration
  5. PMS plan and current lifecycle status

The same configuration, claims and decisions should remain visible throughout.

TRACE B

Follow one signal backward and forward

  1. Complaint, trend, audit finding or change
  2. Reportability and risk assessment
  3. Investigation, cause and corrective action
  4. Updates to design, evidence and documentation
  5. Effectiveness check and management visibility

No signal should stop inside the department that first received it.

THE EFFECTIVENESS QUESTION

Can the organisation explain why this exact device remains conforming today?

The answer should be reconstructed from current controlled records, not from undocumented knowledge held by one employee or consultant.

Common structural failures

Six ways a complete document set becomes an ineffective QMS

Most structural failures are interface failures. Each function may have documents, while the decision or information needed by the next function never arrives.

01

The standard is copied into procedures

Staff receive regulatory prose instead of roles, criteria and steps suited to the company.

02

MDR duties sit outside the QMS

Clinical, UDI, registration or PMS work is treated as a regulatory file with no controlled operating process.

03

Every clause becomes a separate SOP

One real workflow is split across overlapping documents with conflicting owners and records.

04

Templates arrive before the process

Forms collect convenient information rather than the evidence required for a defined decision.

05

Outsourced work leaves the system

Consultants and suppliers perform critical tasks without approved inputs, acceptance criteria or change notification.

06

Post-market data reaches a dead end

Complaints are closed without updating risk, clinical evaluation, design controls, CAPA or regulatory strategy.

Practical questions

Medical device QMS structure FAQ

Open the question that affects your certification route, documentation hierarchy or process architecture.

Does the MDR require ISO 13485 certification?+

The MDR requires manufacturers to establish, document, implement, maintain, keep up to date and continually improve a quality management system. It does not state that every manufacturer must hold an ISO 13485 certificate. ISO 13485 is the usual framework and certification is normally part of a Notified Body route, but the applicable conformity-assessment procedure and device class determine the external assessment.

Can the QMS consist only of ISO 13485 procedures?+

Not safely. ISO 13485 provides the management-system foundation, while the MDR adds device-specific and market-specific obligations such as regulatory strategy, clinical evaluation, UDI, registration, post-market surveillance, vigilance, economic-operator controls and procedures for regulatory reporting. The QMS must show where these duties are performed and recorded.

Does every MDR requirement need a separate procedure?+

No. The MDR prescribes subjects that the QMS must address, not one procedure per paragraph. Related requirements may be combined when responsibilities, inputs, decisions, records and interfaces remain clear. One integrated post-market process, for example, may connect complaints, PMS, vigilance, trend reporting, CAPA, risk management and clinical evaluation.

Should the QMS follow the clause order of ISO 13485?+

A clause-based matrix is useful for demonstrating coverage, but the operating system is usually clearer when structured around actual processes. Management, product lifecycle, supply, support and feedback processes can follow the way work moves through the company while a separate applicability matrix maps them to ISO 13485 and MDR requirements.

Can one QMS cover several device families and risk classes?+

Yes. Corporate processes can be shared, but device-specific requirements must remain visible. Intended purpose, classification, conformity route, evidence, suppliers, release criteria, UDI data, PMS methods and reporting outputs may differ. Use controlled product or family records beneath the common QMS framework.

How detailed should procedures be?+

Detailed enough for competent personnel to make consistent decisions and generate the required records. A procedure should define scope, ownership, inputs, sequence, decision criteria, outputs, records, interfaces and escalation. It should not reproduce legislation or describe steps the company does not perform.

What is the fastest way to test whether the QMS structure works?+

Trace one current device and one real issue through the system. Follow the device from intended purpose and requirements through risk, design, suppliers, verification, clinical evidence, release and registration. Then follow a complaint or change through assessment, escalation, CAPA and updates to risk, clinical and regulatory records. Broken links reveal structural gaps quickly.

Build a QMS that your team can operate

Need to structure or simplify your medical device QMS?

MDRC can map applicable requirements, design the process architecture, define responsibilities and records, prepare the controlled procedures and test the implemented system before certification or authority review.

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