MedDeviceGuideMedDeviceGuide

Medical Device & IVD Blog

Cybersecurity

When Device Software Support Ends: The Customer Transition Plan

How medical device manufacturers structure customer transition plans when software reaches end of support, mapping required evidence, IMDRF milestones, and surviving duties.

›
Regulatory Strategy

Can a Discontinued Device Still Be a 510(k) Predicate?

FDA permits substantial equivalence claims to devices no longer marketed in the U.S. Here is how to verify eligibility, satisfy 21 CFR 807.87(f), and build evidence without physical samples.

›
Standards & Testing

One Test Report, Several Device Models: Proving Variant Coverage

How FDA guidance and the EU MDR decide which device models one test report covers, and which records justify an untested size or configuration.

›
Standards & Testing

IVD Reference Intervals: Established Values vs Local Verification

When a laboratory may adopt an IVD manufacturer's reference interval, when CLIA requires verification or establishment, and what ISO 15189 adds only for accredited laboratories.

›
Regulatory Compliance

Which Device Packaging Levels Need Their Own UDI Carrier?

A practical decision guide to UDI placement across medical device packaging levels under FDA, EU MDR, and TGA rules, covering carriers, unique identifiers, and shipper exemptions.

›
Country Registration

Canadian Medical Device Licence Changes: Which Filing Path Applies?

How to classify Canadian medical device licence modifications into significant changes, statutory amendments, minor REP transactions, or annual renewals under SOR/98-282.

›
Regulatory Strategy

AccessGUDID vs FDA Listing: Which Record Answers Your Question?

Compare AccessGUDID and FDA's establishment registration and device listing database to choose the correct public record for device identifiers, establishments, and listing status.

›
EU MDR / IVDR

Is This Combination an MDR Device or a Medicinal Product?

A manufacturer guide to EU MDR Article 1(8) and 1(9): classify integral ancillary devices, medicinal products, and administration devices with the four-scenario identity worksheet.

›
510(k)

Does This Change Need a New 510(k), or Does a PCCP Cover It?

Mark whether one 510(k) device change still owes a new filing, is covered by a cleared 515C PCCP, or is documented without a 510(k).

›
IVD & Diagnostics

Is This Reagent an ASR or a Finished IVD?

Mark whether one US reagent SKU is still an ASR under 21 CFR 864.4020 and 809.30, an RUO or IUO shipment, a general-purpose reagent, or a finished IVD with performance claims.

›
IVD & Diagnostics

Does This US IVD Study Need an IDE, an IND, or Neither?

How to determine whether a US IVD clinical protocol qualifies for 21 CFR 812.2(c)(3) exemption, requires an abbreviated or full IDE, or falls under 21 CFR Part 312 IND rules.

›
Quality Systems

Which Combination-Product 4.4 Path Still Applies After QMSR?

A practical 21 CFR 4.4 worksheet for combination product facilities after QMSR: how to verify eligibility, separate-facility rules, and current ISO 13485 or drug CGMP streamlining clauses.

›
Post-Market Surveillance

Combination Product Safety Reports: Which Clock, Which System, Which Applicant?

A practical 21 CFR Part 4 Subpart B worksheet mapping applicant identity, 4.102 baselines and add-ons, statutory reporting clocks, and electronic routing between FAERS, eMDR, and VAERS.

›
Post-Market Surveillance

Changing Device Distributors: Who Keeps Complaint and Traceability Files?

A medical device RA/QA guide to records custody when changing distributors: who keeps complaint and traceability files under US, EU, and Canadian post-market rules.

›
Regulatory Affairs

Device Label Translation: Reconciling Units, Symbols, and Released Versions

How medical device RA/QA teams reconcile units, ISO symbols, and released versions across translation cycles before artwork issuance under FDA QMSR 820.45 and EU MDR GSPR 23.

›
Quality & Compliance

Incomplete Supplier Change Notices: A Device QA Triage Guide

When a supplier change notice omits affected lots, dates, or technical details, device QA must hold unverified product, issue an evidence request, and halt close-out until facts are verified.

›
Post-Market Surveillance

MedDeviceRepair: Keeping Loaner Exchanges Traceable When Serial Numbers Change

A three-asset chain-of-custody crosswalk for medical device loaner exchanges: preserve serial traceability across removal, placement, and return without slot-level record overwrites.

›
Regulatory Strategy

Outsourced Device Testing: What Raw Data Must Your Contract Deliver?

A signed summary is not the deliverable. What protocols, complete reports, raw data, and archive terms medical device manufacturers must contract for premarket evidence and QMSR compliance.

›
Post-Market Surveillance

VetMedGuide: Building a Useful Veterinary Device Field-Feedback Form

A manufacturer intake worksheet for veterinary analyzer complaints: separate instrument observation, species and matrix, clinic QC evidence, and unsupported causality.

›
Quality Systems

NMPA GMP Announcement 107: Dual Release, Key-Person Gates, and the 1 November 2026 Clock

China NMPA GMP Announcement 107 operating guide: Order 53 manufacturing licenses vs 107 GMP, dual release, full-time key-person gates, and 1 November 2026.

›