Technical Documentation

Technical Documentation is about describing which features your software has, which risks those features include, and how you do your testing. You also have to do usability (user) testing.

Don't Use Risk Priority Numbers In Your Risk Analysis (ISO 14971)

We recently came across the proposal to include something called "Risk Priority Numbers" in our eQMS software Formwork, and let me tell you, this is a...

Technical Documentation Dr. Oliver Eidel Updated 6 months ago
Dec 01, 2025

Can You Use the OpenAI API In Your Medical Device?

Update (2026/03): I've received some auditor feedback on this topic and updated the article below - I added the auditor opinions at the end. A startup...

Technical Documentation Dr. Oliver Eidel Updated 2 months ago
Mar 30, 2026

How To Do Formative Usability Testing For Medical Devices

So you have a medical device and you want to do formative usability testing, because you have to comply with the IEC 62366, and that's because your goal is...

Technical Documentation Dr. Oliver Eidel Updated over 1 year ago
Oct 01, 2024

MDR Examples: Classification Examples for EU MDR Devices

When you're learning new things like the MDR, it's always useful to learn by example, so why the hell are no MDR examples available? So let's go through some...

Technical Documentation Sören Hornof Updated over 1 year ago
Oct 07, 2024

IFA UDI Hack: Save Money By Using a Health Product Code (HPC)

The business of issuing numbers is probably very lucrative. The big issuing companies like GS1 and IFA charge random prices for their codes. And you have to...

Technical Documentation Sören Hornof Updated over 1 year ago
Oct 01, 2024

How To Do a Summative Usability Testing For IEC 62366 Compliance

Alright, so you were probably reading the IEC 62366 summary and now you ended up here, wondering how the hell to actually do a summative usability testing...

Technical Documentation Dr. Oliver Eidel Updated over 1 year ago
Oct 01, 2024

The IEC 62366 (Usability) Summary: All You Need To Know (It's Not Much)

Oh man, where to start! While probably not much changed for you, as you were happily reading along our Blueprint article and came across this one as simply...

Technical Documentation Dr. Oliver Eidel Updated over 1 year ago
Oct 01, 2024

Medical Device Translation: 3 Steps For Medical Device Software

Every now and then, these questions regarding medical device translations come up in our consulting work: • Which device information or parts of the device...

Technical Documentation Sven Piechottka Updated over 1 year ago
Oct 09, 2024

How to Get a UDI (Unique Device Identifier) For MDR Compliance

Here's our guide on how to get your MDR UDI! But first off, if you're actually looking for an overview over the whole topic, check out our overview article...

Technical Documentation Dr. Oliver Eidel Updated over 1 year ago
Oct 01, 2024

FMEA, Part 1: Risk Acceptance Matrix (ISO 14971 Risk Analysis)

Check It Out: Free Video Available While you're gathering your motivation to read yet another article on regulation, let me jump in briefly! We've actually...

Technical Documentation Dr. Oliver Eidel Updated over 1 year ago
Oct 01, 2024

ISO 14971 Walkthrough

When developing software as a Medical Device, you need to do Risk Management. What’s that? In simple terms, you need to think about what could go wrong with...

Technical Documentation Dr. Oliver Eidel Updated over 1 year ago
Oct 01, 2024

Doing a Software Release in Compliance With IEC 62304

The 62304 doesn’t have many requirements regarding Software Release. They’re mostly about whether you have finished all other activities prior to releasing...

Technical Documentation Dr. Oliver Eidel Updated over 1 year ago
Oct 01, 2024

Software System Testing Based on the IEC 62304

The IEC 62304 requires you to do Software System Testing. What’s that? And how does it relate to software verification? According to that article, software...

Technical Documentation Dr. Oliver Eidel Updated over 1 year ago
Oct 01, 2024

Medical Device Software Architecture Documentation (IEC 62304)

The IEC 62304 requires you to document your Software Architecture. As always, the standard doesn’t provide many details on how you should actually do that....

Technical Documentation Dr. Oliver Eidel Updated over 1 year ago
Oct 01, 2024

Software Verification For Medical Device Software (IEC 62304)

Software Verification is another of those regulatory buzzwords. Unless you’ve worked at an enterprise company before, chances are that you have no idea what...

Technical Documentation Dr. Oliver Eidel Updated over 1 year ago
Oct 01, 2024

Writing Software Requirements Based on the IEC 62304

Before we get started: I also uploaded a free template for a software requirements list - have a look! What the Hell are Software Requirements? Software...

Technical Documentation Dr. Oliver Eidel Updated over 1 year ago
Oct 01, 2024

Writing Technical Documentation

What the Hell is Technical Documentation? The Technical Documentation (or Technical File) is what you hand in to your Notified Body to get your product...

Technical Documentation Dr. Oliver Eidel Updated over 1 year ago
Oct 01, 2024

Writing a Software Development and Maintenance Plan for IEC 62304 Compliance

Check It Out: Free Video Available While you're gathering your motivation to read yet another article on regulation, let me jump in briefly! We've actually...

Technical Documentation Dr. Oliver Eidel Updated over 1 year ago
Oct 01, 2024

IEC 62304 Walkthrough

So you’ve decided to develop software which is a Medical Device. Now you need to develop it in an IEC 62304 - compliant way. Resources on how to achieve that...

Technical Documentation Dr. Oliver Eidel Updated over 1 year ago
Oct 01, 2024