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How to Develop High-Quality Software in the MedTech Industry?

Auteur n°3 – Benjamin

By Benjamin Massa
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Summary – In the MedTech sector, agile cycles must be reconciled with regulatory constraints (ISO 13485, IEC 62304, FDA/MDR/Swissmedic) to safeguard patients, manage risks, and shorten time to market. Continuous integration, CI/CD pipelines, living documentation, and risk management embedded in each sprint ensure traceability, formal validation, and modularity. Solution: deploy a microservices architecture with automated testing, unified repositories, and QA/DevOps processes aligned with standards to turn compliance into an innovation accelerator.

The MedTech industry combines intense pressure for software innovation with strict regulatory requirements. On one side, agile cycles, DevOps, and short iterations allow for rapid integration of new business features. On the other, ISO 13485, IEC 62304, and FDA and Swissmedic directives impose traceability, risk management, and rigorous quality control. This balance between speed and compliance may seem complex, but it’s a genuine lever to accelerate time to market, secure patient safety, and optimize costs.

Essential Standards and Certifications for MedTech Software Development

Several international standards govern every stage of the software development life cycle in medical technology. Adhering to them ensures quality, reliability, and patient safety.

ISO 13485 Standard: Quality Management Framework

The ISO 13485 standard outlines the requirements for a quality management system specific to medical devices. It covers design, development, production, distribution, and post-market service. Its primary objective is to ensure that every software product meets user needs and applicable regulations.

In practice, ISO 13485 mandates procedure documentation, change traceability, and periodic process evaluations. This includes design reviews, formal testing, and field feedback management. Integrating these mechanisms into an agile process prevents redundancy and ensures continuous tracking of requirements.

Implementing a quality system compliant with ISO 13485 enables early identification of deviations and the initiation of corrective actions. For Swiss organizations, this standard is often a prerequisite for any Swissmedic approval process or 510(k) submission to the FDA.

Software Life Cycle According to IEC 62304

The IEC 62304 standard specifically governs the software life cycle of medical devices. It defines four functional safety classes (A, B, C) based on the potential risk in case of failure. Each class determines the level of verification, validation, and risk management activities.

In an agile setting, user stories must be enriched with IEC 62304 compliance criteria. Teams systematically record unit, integration, and system validation tests. Anomaly management and corrective actions tracking are documented in a risk register tied to each release.

This approach allows you to demonstrate during internal or external audits that each increment has undergone rigorous evaluation and proper documentation. Regularly repeating reviews reduces the likelihood of major deviations during certification phases.

FDA, Swissmedic, and International Directives

In the United States, the FDA classifies medical device software (Software as a Medical Device – SaMD) under 510(k), PMA, or De Novo pathways, depending on the risk. Each submission must include a risk management plan, test reports, and a detailed validation protocol.

In Europe, Regulation (EU) 2017/745 (MDR) sets comparable compliance requirements to IEC 62304 and ISO 13485, with additional focus on post-market surveillance. In Switzerland, Swissmedic demands alignment with these standards and reviews management system quality to grant marketing authorizations.

Unifying these frameworks in a process that incorporates FDA, MDR, and Swissmedic criteria from the planning phase avoids duplication. Working in short iterations, combining development and regulatory documentation, reduces submission timelines and the scope of adjustments at the end of the project.

Example of a Swiss Telemedicine SME

A Swiss SME specializing in a remote patient monitoring solution integrated ISO 13485 and IEC 62304 requirements into its backlog from the first sprints. Iterations systematically included updates to quality documentation and test validations. This example demonstrates that early integration of regulatory tasks into the agile cycle reduced ISO audit non-conformities by 30%.

Agility and DevOps in MedTech

Agile and DevOps methodologies enhance responsiveness while improving traceability and software quality. They enable compliance with regulatory requirements without slowing down development cycles.

Continuous Integration and Regulatory Validations

Implementing CI/CD pipelines allows automated execution of unit, integration, and security tests at each commit. The generated reports provide the evidence needed to demonstrate compliance with health authority requirements.

Each software artifact is timestamped, versioned, and linked to a configuration management ticket. Teams document test results and detected anomalies, creating a complete audit trail. This streamlines regulatory review and speeds up responses to auditors’ observations.

Furthermore, automating builds and deployments reduces human error, ensures environment reproducibility, and maintains consistent quality throughout the project.

Sprints and Dynamic Documentation

In an agile context, documentation is not limited to a final deliverable. Each sprint generates user stories enriched with regulatory acceptance criteria and associated test narratives. These elements are stored in a unified repository.

Intermediate reviews allow for gradual validation of deliverable compliance. Regulatory checklists are integrated into the project management tool, ensuring that no critical step is omitted.

This strategy keeps documentation alive, synchronized with the code, and reduces the risk of surprises during final audits.

Risk Management and Modular SDL

Security by design relies on early risk analysis. Each software component is evaluated, with mitigation measures recorded and a specific test plan defined. A risk register covers identification, severity, probability, and status of controls.

Modularity facilitates isolating updates and targeted patch management. Teams can quickly deploy patches to high-risk modules without impacting the entire system.

This model also simplifies ad-hoc audits and allows focusing efforts where criticality is highest.

Example of a Swiss Medical Device Manufacturer

A national manufacturer established a DevOps workflow including automated pipelines for software updates. Each deployment was accompanied by a unit and security test report validated by the quality team. This case demonstrates that the DevOps approach halves response times to Swissmedic requests while maintaining complete change traceability.

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Integrate Quality and Security into an Evolutionary Development Cycle

A modular architecture, automated testing, and an integrated cybersecurity strategy ensure controlled and compliant scalability. This approach reduces maintenance costs and strengthens stakeholder confidence.

Modular Architecture and Microservices

Partitioning into microservices allows breaking the software into independent units that can be changed and deployed separately. Each microservice follows its own delivery cycle and risk assessment.

This modularity limits the scope of incidents and eases targeted verification during audits. Teams can apply fixes to a single function without redeploying the entire solution.

Moreover, using containers and orchestrators ensures environment consistency between testing and production, thereby enhancing robustness and reproducibility.

Automated Testing and Code Coverage

Systematic use of unit, integration, and end-to-end tests ensures code coverage aligned with regulatory requirements.

Coverage reports generated at each build document exercised code areas. All critical anomalies are addressed before any deployment, reducing potential vulnerabilities.

These elements are essential for IEC 62304 audits and FDA submissions, which require tangible evidence of software quality.

Cybersecurity and Patient Data Protection

Software security relies on threat analysis and privacy requirements. Data encryption at rest and in transit is implemented according to international standards.

Vulnerability testing and dependency scans automatically detect obsolete or compromised libraries. Patches are applied continuously, and centralized incident tracking feeds into an improvement plan.

This proactive approach significantly reduces the risk of sensitive data leaks and strengthens trust with health authorities and patients.

Lessons from Other Sectors for MedTech

Best practices from the FinTech, energy, and telecom sectors bring rigorous controls, resilience, and advanced monitoring. Adapting them accelerates MedTech quality maturity.

FinTech Lessons: Incident Management and Auditability

Financial institutions have implemented 24/7 alert and incident management systems with event traceability and automated reporting. Each anomaly generates a ticket with a priority level and remediation plan.

In MedTech, this model reduces the time to detect critical anomalies and documents each step through resolution. Reports are archived for authorities and internal risk management.

This approach ensures swift reactions to production issues, minimizing impact on patient safety.

Energy Sector Practices: Robustness and Scalability

Energy operators leverage redundant architectures and load forecasting to ensure maximum availability. Stress tests are conducted regularly to validate scalability.

In MedTech, using pre-production environments identical to production allows simulating load peaks or failure scenarios. Disaster recovery plans (DRP) are tested periodically.

This rigor ensures the software remains available and performant, even under heavy use or unexpected constraints.

Telecom: Distributed Deployments and Resilience

Telecom operators use canary deployments and chaos engineering to validate updates without global risk. Continuous monitoring probes detect performance anomalies or errors.

Applied to MedTech, this progressive deployment model limits the exposure surface to defects. System health metrics and proactive alerts enhance operational confidence.

Real-time feedback enables rapid configuration adjustments and service quality management.

Combine Agile Innovation with MedTech Compliance

The dual constraint of MedTech is not a hindrance but a catalyst for robust methods. ISO 13485 and IEC 62304 standards, FDA and Swissmedic processes, and a DevOps culture work together to secure quality while accelerating time to market. Modular architecture, test automation, proactive risk management, and inspiration from FinTech, energy, and telecom sectors enable the design of an evolving and reliable software ecosystem.

Industrial and hospital stakeholders can thus reconcile innovation speed with regulatory compliance. Our experts, with expertise in open source, cybersecurity, and hybrid ecosystem design, are ready to support each organization in turning these constraints into sustainable assets.

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By Benjamin

Digital expert

PUBLISHED BY

Benjamin Massa

Benjamin is an senior strategy consultant with 360° skills and a strong mastery of the digital markets across various industries. He advises our clients on strategic and operational matters and elaborates powerful tailor made solutions allowing enterprises and organizations to achieve their goals. Building the digital leaders of tomorrow is his day-to-day job.

FAQ

Frequently Asked Questions about MedTech Software Development

How can ISO 13485 and IEC 62304 requirements be integrated into an agile process?

To reconcile agility and compliance, each User Story includes acceptance criteria derived from ISO 13485 and IEC 62304. Sprints encompass documentation tasks, design reviews, and formal testing. A risk and change log is updated with each increment to ensure traceability and facilitate audits.

What are the main risks to anticipate in a MedTech software project?

Key risks include regulatory non-compliance, documentation gaps, security defects, and delays related to validations. Proactive risk management with a dedicated log, regular reviews, and corrective action plans helps minimize impact on quality and schedule.

How can a CI/CD pipeline be implemented in compliance with FDA and MDR standards?

A compliant CI/CD pipeline automates unit tests, integration tests, and security scans at every commit. Each artifact is timestamped, versioned, and linked to a configuration management ticket. The generated reports serve as evidence of compliance for FDA 510(k) submissions and MDR audits.

Which KPIs should be tracked to measure the quality and compliance of medical software?

Key indicators include test coverage rate, number of critical defects, average resolution time for non-compliances, frequency of design reviews, and regulatory validation cycle time. These KPIs provide a clear view of quality maturity and process robustness.

What are the advantages of a modular architecture for MedTech maintenance?

A modular or microservices architecture isolates critical components, simplifies targeted updates, and limits the scope of risk analyses. It facilitates module-level audits and accelerates the delivery of fixes without redeploying the entire system, thus reducing maintenance costs.

How can cybersecurity and patient data protection be ensured?

Security by design relies on threat analysis, data encryption in transit and at rest, and the integration of automated vulnerability testing. Continuous patch management and dependency monitoring ensure enhanced protection and compliance with regulatory requirements.

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