Risk Management File – CardioMonitor Pro ECG-12¶
In accordance with ISO 14971:2019 – Application of risk management to medical devices¶
--- Test Change ---
Document Information¶
- Document: Risk Management File
- Product: CardioMonitor Pro ECG-12
- Model Number: CM-ECG-12-2025
- Version: 1.1.0
-
Gültig ab: 17. November 2025- Erstellungsdatum: 17. November 2025- Letzte Überarbeitung: 17. November 2025- Creation Date: 22 September 2025
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Letzte Überarbeitung: 19. November 2025- Last Revision: 22 September 2025
-
Nächste Überprüfung: 19. November 2026- Prepared By: [Risk Manager Name]
- Approved By: [Quality Manager Name]
Table of Contents¶
- Purpose & Scope
- Responsibilities
- Risk Management Process
- Risk Analysis
- Risk Evaluation
- Risk Control
- Overall Residual Risk Acceptability
- Risk Management Report
- Post-Market Surveillance
- Annexes
1. Purpose & Scope¶
1.1 Purpose¶
This Risk Management File documents the systematic application of the ISO 14971:2019 risk management process for the CardioMonitor Pro ECG-12. It covers identification, analysis, evaluation, control of risks, and monitoring of the effectiveness of implemented controls.
1.2 Scope¶
- Product: 12‑lead electrocardiograph CardioMonitor Pro ECG-12
- Intended Use: Non‑invasive acquisition and analysis of cardiac electrical activity
- Lifecycle Phases: Development, manufacturing, distribution, use, servicing, disposal
- Applicable Standards: ISO 14971:2019, IEC 60601‑1, IEC 60601‑2‑25
1.3 Definitions & Abbreviations¶
- Risk: Combination of the probability of occurrence of harm and the severity of that harm
- Harm: Physical injury, health impairment, or property/environmental damage
- Hazard: Potential source of harm
- ALARP: As Low As Reasonably Practicable
- PEMS: Post‑market surveillance system
2. Responsibilities¶
2.1 Risk Management Team¶
| Role | Name | Responsibilities |
|---|---|---|
| Risk Management Lead | [Name] | Overall ownership of process |
| Clinical Advisor | [Name] | Clinical assessment of risks |
| Engineering Lead | [Name] | Technical risk evaluation |
| Quality Manager | [Name] | Oversight & documentation integrity |
| Regulatory Affairs Manager | [Name] | Regulatory compliance alignment |
2.2 Decision Authority¶
- Risk Acceptance: Risk Management Lead
- Risk Control Selection: Engineering Lead with team consensus
- Product Release: Executive Management based on RM report
3. Risk Management Process¶
3.1 Process Overview¶
Aligned with ISO 14971:2019 requirements:
1. Risk Analysis – Intended use definition, hazard identification, foreseeable misuse sequencing
2. Risk Evaluation – Probability, severity, classification
3. Risk Control – Control option selection, implementation, verification, residual risk evaluation
4. Overall Residual Risk Evaluation – Benefit–risk review & acceptability statement
3.2 Risk Acceptability Criteria¶
Risk Matrix¶
| Probability | Critical (5) | Serious (4) | Moderate (3) | Minor (2) | Negligible (1) |
|---|---|---|---|---|---|
| Very High (5) | 25 | 20 | 15 | 10 | 5 |
| High (4) | 20 | 16 | 12 | 8 | 4 |
| Medium (3) | 15 | 12 | 9 | 6 | 3 |
| Low (2) | 10 | 8 | 6 | 4 | 2 |
| Very Low (1) | 5 | 4 | 3 | 2 | 1 |
Classification¶
- Score 16–25: Unacceptable – immediate action required
- Score 9–15: Conditionally acceptable – controls mandatory
- Score 4–8: Acceptable – monitor
- Score 1–3: Negligible – no further action
4. Risk Analysis¶
4.1 Intended Use & Foreseeable Misuse¶
Intended Use:
- 12‑lead ECG acquisition (adult & pediatric ≥2 years)
- Use by trained medical professionals
- Inpatient & outpatient diagnostics
- Supportive diagnostic aid (not sole basis for critical decisions)
Foreseeable Misuse:
- Untrained operator usage
- Application on patients <2 years without appropriate pediatric electrodes
- Use inside MRI suite
- Continuous monitoring beyond intended session (>30 min)
- Reliance as sole diagnostic source
4.2 Hazard Identification¶
4.2.1 Energy‑Related Hazards¶
| Hazard | Description | Potential Causes |
|---|---|---|
| Electric shock | Patient contact with conductive fault | Insulation failure, damaged cable |
| Burns | Overheating of electrodes/device | Component failure, overload |
| Defibrillation damage | Device harmed by external shock | Use during defibrillation |
4.2.2 Biological / Chemical Hazards¶
| Hazard | Description | Potential Causes |
|---|---|---|
| Cross infection | Pathogen transfer | Inadequate cleaning, contaminated electrodes |
| Allergic reaction | Skin response to materials | Latex/metal sensitivity |
| Skin irritation | Redness, abrasion | Prolonged application, friction |
4.2.3 Operational Hazards¶
| Hazard | Description | Potential Causes |
|---|---|---|
| Misdiagnosis | Incorrect ECG interpretation | Software fault, artifacts, user error |
| Data loss | Loss of patient ECG data | HW/SW failure, improper handling |
| Delayed diagnosis | Latency in critical result | Device malfunction, insufficient alarm |
4.2.4 Information Hazards¶
| Hazard | Description | Potential Causes |
|---|---|---|
| Wrong patient assignment | Patient data mix-up | User error, software bug |
| Privacy breach | Unauthorized access | Insecure transmission, cyber attack |
| Incomplete documentation | Missing ECG records | User error, device fault |
5. Risk Evaluation¶
5.1 Detailed Evaluation (Representative Risks)¶
R001 – Electric shock (insulation failure)
- Harm: Arrhythmia, burns, death
- Probability: 2 (Low)
- Severity: 5 (Critical)
- Score: 10
- Classification: Conditionally acceptable
R002 – Misdiagnosis (software fault)
- Harm: Incorrect/delayed treatment, deterioration
- Probability: 3 (Medium)
- Severity: 4 (Serious)
- Score: 12
- Classification: Conditionally acceptable
R003 – Allergic reaction (electrode contact)
- Harm: Local skin inflammation
- Probability: 4 (High)
- Severity: 2 (Minor)
- Score: 8
- Classification: Acceptable
R004 – Cross infection (surface contamination)
- Harm: Secondary infection, possible sepsis
- Probability: 3 (Medium)
- Severity: 4 (Serious)
- Score: 12
- Classification: Conditionally acceptable
R005 – Data loss (hardware failure)
- Harm: Delayed diagnosis, legal impact
- Probability: 2 (Low)
- Severity: 3 (Moderate)
- Score: 6
- Classification: Acceptable
6. Risk Control¶
6.1 Control Measures (Selected Examples)¶
R001 – Electric Shock¶
Priority 1 (Inherently Safe Design): Double insulation (IEC 60601‑1), Class II construction, leakage current <10 µA, surge protection.
Priority 2 (Protective Measures): Automatic isolation self‑test at power‑up, conductive part monitoring, temperature sensors.
Priority 3 (Information for Safety): IFU warnings, periodic safety tests, operator training.
R002 – Misdiagnosis¶
Priority 1: Validated algorithms (>95% sensitivity), redundant parameter computation, automated signal quality checks.
Priority 2: Visual/audible warnings for low confidence analysis, physician confirmation recommendation, storage of raw waveforms.
Priority 3: Detailed IFU interpretation guidance, user training program, analytical disclaimers.
R003 – Allergic Reaction¶
Priority 1: Hypoallergenic materials, latex‑free design, ISO 10993 biocompatibility tests.
Priority 2: Limited application time guidance, alternative electrode options.
Priority 3: Warnings on potential reactions, pre‑use skin assessment instruction.
R004 – Cross Infection¶
Priority 1: Cleanable smooth surfaces, antimicrobial coatings, single‑use electrodes standard.
Priority 2: Automated cleaning reminders, optional UV‑C accessory.
Priority 3: Detailed cleaning/disinfection IFU, infection prevention training.
R005 – Data Loss¶
Priority 1: Redundant storage (local + backup), automatic backup routines, ECC memory.
Priority 2: Battery‑buffered memory, integrity checks, cloud sync option.
Priority 3: Instructions for routine data export, maintenance guidance.
6.2 Verification (Sample Protocols)¶
Electrical Safety Test: Leakage current measurement – Result 8.5 µA (limit 10 µA) ✓
Algorithm Validation: Clinical dataset (n>500) – Sensitivity 96.2%, specificity 98.1% ✓
Biocompatibility: ISO 10993‑10 sensitization – No sensitizing properties ✓
6.3 Residual Risk Evaluation¶
| Risk | Original Score | Post‑Control | Status |
|---|---|---|---|
| R001 | 10 | 4 | Acceptable |
| R002 | 12 | 6 | Acceptable |
| R003 | 8 | 4 | Acceptable |
| R004 | 12 | 6 | Acceptable |
| R005 | 6 | 3 | Negligible |
7. Overall Residual Risk Acceptability¶
7.1 Benefit–Risk Analysis¶
Medical benefits include: early arrhythmia & ischemia detection, improved patient safety via rapid assessment, reduced diagnostic error risk, cost‑efficient workflow.
Post‑control residual risks are all ≤6; no unacceptable residual risk remains; benefits clearly outweigh remaining risks.
7.2 Acceptability Statement¶
Based on systematic analysis:
1. All identified risks evaluated
2. Appropriate controls implemented
3. Residual risks acceptable
4. Clinical benefit materially exceeds residual risk
5. Overall residual risk deemed acceptable
Release Decision: CardioMonitor Pro ECG-12 cleared for market introduction.
8. Risk Management Report¶
8.1 Summary of Activities¶
Performed:
- [x] Plan established
- [x] Hazard analysis completed
- [x] 25 risks identified/evaluated
- [x] Controls defined & implemented
- [x] Verification executed
- [x] Residual evaluation completed
- [x] Benefit–risk review performed
Results:
- Total risks: 25
- Initially unacceptable: 2
- Remaining unacceptable: 0
- Control measures implemented: 47
8.2 Open Items & Follow‑Up¶
- Quarterly post‑market data review
- Algorithm improvement releases
- Annual control effectiveness reassessment
8.3 Recommendations¶
- Deploy proactive PMS system
- Maintain structured user training
- Continuous algorithm refinement
- Annual RMF review
9. Post-Market Surveillance¶
9.1 PMS Plan¶
Data Sources: Complaints, user feedback, service reports, vigilance submissions, literature monitoring.
Parameters: Device failure rate, software/algorithm performance, allergic / skin events, infection transfers, diagnostic incident reports.
Reporting: Quarterly internal reviews; annual PMS report; ad‑hoc escalation for critical events.
9.2 Update Criteria¶
RMF updated if: new risks emerge; frequency shifts significantly; new controls added; regulatory changes occur; design modifications implemented.
9.3 Continuous Improvement¶
Planned measures: predictive risk ML models; preventive maintenance analytics; UI refinements from feedback; cybersecurity hardening enhancements.
10. Annexes¶
Annex A: Full Risk Table¶
[Comprehensive table of all 25 risks – maintained separately]
Annex B: Test Protocols¶
[Verification protocols for each implemented control]
Annex C: References & Standards¶
- ISO 14971:2019 – Medical device risk management
- IEC 60601‑1:2012 – General safety
- IEC 60601‑2‑25:2011 – ECG device particulars
- ISO 13485:2016 – QMS
- MDR 2017/745 – Regulation
Annex D: Change History¶
| Date | Version | Author | Changes |
|---|---|---|---|
| 19. November 2025 | 1.1.0 | Unbekannt | Automatische Metadatenaktualisierung |
| 17. November 2025 | 1.0.1 | Unbekannt | Automatische Metadatenaktualisierung |
Approvals¶
| Role | Name | Signature | Date |
|---|---|---|---|
| Risk Management Lead | [Name] | [Signature] | [Date] |
| Quality Manager | [Name] | [Signature] | [Date] |
| Executive Management | [Name] | [Signature] | [Date] |
Confidential – Use only for its intended purpose.
See Also¶
- Risk Management Plan: 20.02_risk_management_plan.md
- Risk Analysis: 20.03_risk_analysis.md
- Risk Evaluation Report: 20.04_risk_evaluation_report.md