MedDeviceGuideMedDeviceGuide

MedDeviceGuide — IVD & Medical Device Knowledge Base

Clinical Evidence

DHTs as Endpoints in Device Investigations: Investigational Device vs Measurement Tool

FDA DHT clinical investigation guide: investigational device vs remote measurement tool under 21 CFR 812, fit-for-purpose V&V, and August 2026 DDM status.

Quality Systems

IEC 62353 Recurrent Testing After Repair: OEM IFU Duties vs IEC 60601-1 & NFPA 99

IEC 62353 in-service electrical safety testing: manufacturer IFU duties, IEC 60601-1 type test differences, CMS S&C 14-07 major repair rules, and NFPA 99.

Regulatory

ISO 80369 Small-Bore Connector Conversion: 510(k), FDA Windows & Particular Parts

Manufacturer ISO 80369 conversion guide: route-specific particular parts, FDA recognition transition windows through Dec 17, 2028, and 510(k) change forks.

Digital Health & AI

MHRA Ambient Voice Technology 2026: When an AI Scribe Is a Medical Device in Great Britain

MHRA and NHS England 2026 guidance on ambient voice technology (AVT): 9-example medical device qualification tree, Class I vs IIa, DCB0129, and UKCA strategy.

EU MDR / IVDR

MDCG 2026-5 UDI Assignment: Manufacturer vs Distributor Decision Tree

MDCG 2026-5 UDI assignment guide: 3-path decision tree for private-label distributor brands, MDR Article 16, Basic UDI-DI rules, and EUDAMED registration.

Clinical Evidence

Medical Device Expanded Access: Emergency Use, Compassionate Use & Treatment IDE

Operational guide to US investigational device expanded access: emergency use, compassionate use IDE supplements, Treatment IDE (21 CFR 812.36), and IRB rules.

EU MDR / IVDR

NSAI NB 0050 Medical Devices Divestment 2026: Stay vs Transfer Playbook

Playbook for NSAI NB 0050 clients on the 2026 divestment: confirmed facts, stay-vs-transfer tree, MDR Article 58, IVDR Article 53, MDSAP.

Clinical Evidence

Medical Device Trial Master File (TMF) and ISF Guide: ISO 14155, FDA, and EU MDR

Complete guide to medical device TMF and ISF: ISO 14155:2026 Annex E essential documents, 21 CFR 812.140, EU MDR archiving, and device-unique artifacts.

Clinical Evidence

IVDR Performance Study Requirements: Application vs Notification, Timelines, and Reporting

Comprehensive guide to IVDR Chapter VI performance studies: Article 58 application triggers, Article 70 PMPF notifications, Article 66 timelines, leftover samples, and safety reporting.

Clinical Evidence

ClinicalTrials.gov Registration and Results Reporting for Medical Device Trials

Comprehensive guide to medical device clinical trial registration and results reporting: 42 CFR Part 11 ADCT criteria, 21-day clocks, Form FDA 3674, 2026 CMP updates, and EU MDR Article 77.

Clinical Evidence

Informed Consent for Medical Device Clinical Trials: 21 CFR 50, EFIC & EU MDR Article 63

Complete guide to informed consent in medical device clinical trials: 21 CFR Part 50 & Part 812, 50.22 minimal-risk waiver, 50.24 EFIC, and EU MDR Article 63.

Clinical Evidence

Safety Reporting in Medical Device Clinical Trials: US IDE, EU MDR & ISO 14155

Complete guide to safety reporting in medical device clinical trials: 21 CFR 812.150 UADE clocks, EU MDR Article 80, MDCG 2020-10/1 Rev.1, and ISO 14155 GCP rules.

Clinical Evidence

Risk-Based Monitoring for Medical Device Clinical Trials: FDA, EU MDR & ISO 14155 Guide

Comprehensive guide to risk-based monitoring (RBM) in medical device clinical trials: 21 CFR 812.40, FDA 2023 Q&A, EU MDR Annex XV, ISO 14155:2026, and BIMO audit evidence.

Clinical Evidence

Protocol Deviations in Medical Device Clinical Trials: FDA Guidance and EU Rules

Comprehensive guide to protocol deviations in medical device clinical trials: FDA draft guidance, 21 CFR 812, EU MDR Article 75, ISO 14155:2026, and BIMO metrics.

Clinical Evidence

Sham Controls in Medical Device Trials: Design, Ethics, and FDA/EU Expectations

Comprehensive guide to sham controls in medical device clinical trials: 21 CFR 860.7, EU MDR Article 62, Helsinki ethics, blinding protocols, and alternatives.

Clinical Evidence

Imaging Core Labs for Medical Device Clinical Trials: FDA Expectations and Setup Guide

Comprehensive guide to imaging core labs in medical device trials: FDA expectations, charter anatomy, reader reproducibility (kappa/ICC), and vendor audit.

Clinical Evidence

Enrichment Strategies for Medical Device Clinical Trials: Patient Selection Guide

Master enrichment strategies in medical device clinical trials: compare prognostic vs predictive designs, evaluate device-unique gates, and balance FDA DAPs.

Clinical Evidence

Clinical Events Committees (CEC) and Endpoint Adjudication in Medical Device Trials

Guide to CEC endpoint adjudication in device trials: when it's required, CEC vs DMC vs core lab, charter anatomy, independence rules, and cost.

Clinical Evidence

External and Historical Control Arms in Medical Device Clinical Trials

Guide to external and historical control arms in medical device trials: FDA acceptance, OPC vs external controls, MAIC, and exchangeability rules.

Clinical Evidence

Multiplicity and Multiple-Endpoint Testing in Medical Device Clinical Trials

Master multiplicity control in device trials: learn FDA 2022 & CDRH rules, co-primary & composite exemptions, Holm/gatekeeping methods, and IVD endpoint strategies.