MedDeviceGuide — IVD & Medical Device Knowledge Base
CDMO Quality Agreement RACI for Sub-Tier Suppliers: Defining Accountability Across the Supply Chain
How to structure RACI matrices in CDMO quality agreements for sub-tier supplier control — defining who is responsible, accountable, consulted, and informed across OEM, CDMO, and sub-tier suppliers under ISO 13485, FDA QMSR, and EU MDR.
Coatings and Surface Treatment Supplier Controls for Medical Devices: Qualification, Validation, and Quality Agreement Strategy
How to qualify and control coatings and surface treatment suppliers for medical devices — covering PVD, passivation, anodizing, DLC, plasma treatment, and antimicrobial coatings, with guidance on supplier audit, process validation (IQ/OQ/PQ), ASTM and ISO specification control, dimensional impact planning, biocompatibility evidence, quality agreement structure, and ongoing monitoring under FDA QMSR, ISO 13485, and EU MDR.
Contract Cleanroom Assembly Qualification for Medical Devices: Audit, Approval, and Ongoing Control
How to qualify a contract cleanroom assembly vendor for medical device manufacturing — cleanroom classification matching, environmental monitoring verification, gowning qualification, quality agreement requirements, audit approach, and ongoing oversight under ISO 13485, FDA QMSR, and EU MDR.
Contract Packaging Vendor Qualification for Medical Devices: ISO 11607 Compliance, Audit Approach, and Quality Agreement
How to qualify a contract packaging vendor for medical device manufacturing — ISO 11607 validation capabilities, sterile barrier system expertise, seal process controls, labeling compliance, sterilization coordination, quality agreement requirements, and ongoing vendor oversight under ISO 13485, FDA QMSR, and EU MDR.
Depot Repair QMS for Reusable Medical Device Capital Equipment: Receiving, Decontamination, Testing, Rework, Calibration Traceability, and Return-to-Service Under ISO 13485 and FDA QMSR
How to build and operate a quality management system for depot repair of reusable medical device capital equipment — receiving and triage, decontamination and biohazard protocols, diagnostic testing, repair and rework controls, calibration traceability, nonconformance handling, return-to-service release criteria, documentation requirements under FDA QMSR and ISO 13485, and audit readiness for depot service facilities.
Enzyme Supplier Qualification for PCR and RT-qPCR IVD Kits
How to qualify and manage enzyme suppliers for PCR and RT-qPCR in vitro diagnostic kits — covering Taq polymerase, hot-start variants, reverse transcriptase, lot-to-lot testing protocols, incoming acceptance specifications, stability requirements, change notification, and regulatory expectations under FDA QMSR, ISO 13485, and EU IVDR.
FDA Servicing vs Remanufacturing Decision Tree for Medical Devices: How to Classify Your Activities Under the May 2024 Final Guidance
How to determine whether your medical device maintenance, repair, or modification activity is FDA-defined servicing or remanufacturing — the 6 guiding principles from the May 2024 final guidance, the decision flowchart, automatically-classified activities, software change rules, documentation requirements, and regulatory exposure for OEMs, third-party servicers, and hospital HTM teams.
Field Service Traceability for Software-Enabled Medical Devices: Service Records, Software Change Logs, Audit Trails, and Regulatory Compliance Under FDA QMSR, ISO 13485, and 21 CFR Part 11
How to build a complete traceability system for field service on software-enabled medical devices — electronic service records, software version and configuration tracking, firmware update logs, audit trail requirements under 21 CFR Part 11, traceability for installed base management, complaint-to-service-record linkage, and FDA inspection readiness under QMSR and ISO 13485 Clause 7.5.9.
W.L. Gore Acquires Conformal Medical: Next-Gen LAAO Technology and the Battle for the $2B Left Atrial Appendage Closure Market
W.L. Gore completed its acquisition of Conformal Medical in February 2026, adding the investigational CLAAS AcuForm left atrial appendage occlusion system to its cardiovascular portfolio. Covers foam-based LAAO technology designed to conform to variable anatomies, the $1.2B LAAO device market dominated by Boston Scientific's Watchman and Abbott's Amulet, the CONFORM pivotal trial, and how a rare strategic acquisition by the privately held materials science giant reshapes competitive dynamics in structural heart.
IVD CDMO Tech Transfer Readiness Package: Complete Guide for Diagnostic Manufacturers
How to prepare an IVD CDMO technology transfer readiness package — documentation requirements, process validation ownership, quality agreement structure, analytical method transfer, regulatory filing strategy, and risk mitigation under FDA 21 CFR 820/QMSR, ISO 13485, and EU IVDR.
Legacy Medical Device Transfer to a CDMO: Change Control, DMR Migration, Process Revalidation, and Regulatory Continuity
How to transfer a legacy medical device from in-house or incumbent manufacturing to a CDMO — DMR and DDF handoff, tacit knowledge capture, gap analysis between equipment sets, first article inspection, process validation requalification, change control under FDA QMSR and ISO 13485, regulatory notification strategy, and timeline planning.
Lyophilized Reagent Fill-Finish and Stability Strategy for IVD Kits
How to design, manufacture, and stabilize lyophilized (freeze-dried) reagents for in vitro diagnostic kits — covering lyophilization process optimization, formulation excipients, lyo-bead and lyo-cake formats, fill-finish humidity control, residual moisture specification, accelerated and real-time stability studies, ICH Q1A application, container closure integrity, and regulatory expectations for FDA, EU IVDR, and ISO 13485.
Magnetic Beads, Latex Particles, and Gold Nanoparticle Controls for IVD Assays
How to select, qualify, and control magnetic beads, polystyrene latex particles, and gold nanoparticles as critical raw materials for IVD assays — covering chemiluminescent immunoassay (CLIA) magnetic beads, immunoturbidimetric latex particles, lateral flow gold colloid, particle characterization specifications, lot-to-lot bridging, conjugation chemistry, supplier qualification, and regulatory expectations under FDA QMSR, ISO 13485, and EU IVDR.
Medical-Grade Resin Change Control and Dual Sourcing: Managing Material Changes Across the Device Lifecycle
How to manage medical-grade resin raw material changes — including supplier change notifications, biocompatibility re-evaluation, process revalidation, regulatory filing strategy, and dual sourcing qualification — under FDA QMSR, ISO 13485, EU MDR, and ISO 10993.
Medtronic Acquires CathWorks ($585M) and Scientia Vascular ($550M): AI-Guided Coronary Diagnostics and Microfabricated Neurovascular Access
Medtronic completed its acquisition of CathWorks for $585M in April 2026, adding the AI-powered FFRangio system for non-invasive coronary physiology assessment, and signed a definitive agreement to acquire Scientia Vascular for $550M in March 2026 for its microfabricated neurovascular guidewires and catheters. Covers how the AI-driven FFRangio system derives fractional flow reserve from routine angiograms, Scientia's nitinol microfabrication technology for stroke intervention, and Medtronic's post-MiniMed acquisition strategy focused on high-growth cardiovascular and neuroscience tuck-in deals.
Microfluidic Cartridge Materials and Diagnostic Tapes: Material Selection, Bonding, and Supplier Qualification for IVD Devices
How to select materials and suppliers for microfluidic cartridges and diagnostic tapes in IVD devices — covering COC, COP, PMMA, PC, and PP polymer properties, Solventum/3M diagnostic tape families (9792R, 9793R, 9795R, 9964, 9965, 9972A), injection molding and hot embossing for microfluidic features, bonding techniques (laser welding, thermal bonding, adhesive lamination, ultrasonic welding), extractable and leachable testing, biocompatibility, channel design for manufacturing, supplier qualification under ISO 13485, and process validation for IVD cartridge production.
Nitrocellulose Membrane Selection for Lateral Flow Assays: How Pore Size, Flow Rate, and Protein Binding Determine IVD Performance
How to select nitrocellulose membranes for lateral flow assay IVD products — pore size, capillary flow rate, protein binding capacity, backing type, thickness, striping parameters, lot-to-lot qualification, and regulatory considerations under FDA and EU IVDR.
Off-the-Shelf Single-Use Components Qualification for Medical Devices: A Practical Guide
How to qualify off-the-shelf single-use components — Luer connectors, tubing sets, syringes, stopcocks, and catalog parts — under ISO 13485 purchasing controls, FDA QMSR, and EU MDR, including risk-based evaluation, biocompatibility evidence, incoming inspection strategy, and change control.
Oligonucleotide, Primer, and Probe Supplier Qualification for IVD Molecular Diagnostics
How to qualify and manage oligonucleotide, primer, and probe suppliers for PCR, RT-qPCR, and molecular diagnostic IVD kits — covering synthesis quality grades, purity specifications, lot release testing, contamination control, lot-to-lot bridging, change notification, and regulatory requirements under FDA QMSR, ISO 13485, and EU IVDR.
PCB and EMS Supplier Controls for Active Medical Devices: Qualification, Traceability, and Quality Agreement Framework
How to qualify and control PCB fabricators and EMS providers for active medical devices — covering ISO 13485 certification requirements, IPC-6012 and IPC-A-610 Class 3 standards, component sourcing and obsolescence management, traceability requirements under FDA QMSR and EU MDR, box-build assembly controls, quality agreement structure, incoming inspection, and ongoing monitoring for printed circuit board assemblies in Class II and Class III medical devices.