IEC 60601-1, 4th Edition Survival Guide – Why It Matters For MedTech

The 4th Edition of IEC 60601-1 is no longer a future concern. Eleven of the twelve hazard fragments (WGs 37–48) have circulated Committee Drafts (CDs). All fragments have issued first CDs (WG 47 is at CD2), except WG 45 (Optical Radiation Hazards).

That means manufacturers, design houses, trade associations, test houses, and regulators must follow the working group outputs closely. If you cannot stay directly engaged in National or International (IEC) committees, you will need trusted expert guidance. These changes will impact design, QMS, labeling and IFUs, documentation, and test strategies.

Download the One-Pager: 9 Things RA/QA Leaders Must Know

Quick to read and easy to share with RA/QA, Design, Documentation, Supply Chain, Test, and Management. Use it to brief teams and kick off transition planning for IEC 60601-1, 4th Edition.

Your 4-Part Survival Kit

Download One-Pager PDF Watch Webinar Replay Summary Article Download Slide Deck

WG Status at a Glance

First-round CD comment periods are closed; the Compilation of Comments (CC) now drives edits in each WG. Expect a first wave of CD2s planned for early Dec 2025 after the Nov 2025 Milan work week, and a second wave following the Apr 2026 Shanghai meetings around Jun 2026. Stay current with CDs and CCs — or engage experts — because changes here will flow into design inputs, QMS, labeling/IFUs, V&V, and documentation.

9 things RA/QA leaders must know

One-Pager

Sean Smith captured nine essentials from the webinar (timestamps included):

1. Scope & Essential Performance; the boundaries for design, testing and compliance
2. Use Environments & Users; usability files and IFUs must match
3. Software Requirements Expanded; PEMS, SaMD, SIMD now covered
4. Collaterals Integrated; 1,000+ pages, one-stop standard
5. QMS Impact Areas; labeling, ISO 20417 reliance
6. EMC & Wireless Coexistence; higher RF fields, coexistence testing
7. Regulator Participation & Timeline; April 2030 + transition window
8. Hardware & Documentation Updates; alarms, usability, labeling, V&V
9. Immediate Actions; build an impact register, update labeling, begin EMC testing

The webinar replay

Watch Webinar

The replay provides the why — why regulators are focusing on scope and user environments, how expanded software/PEMS requirements shift the burden of evidence, and why wireless coexistence is no longer optional outside the US.

The summary article

Summary Article

This article organizes the hour-long webinar into a reference that RA/QA leaders and design managers can use to pinpoint pain points to focus on to avoid the fire drills of last-minute planning.

How to use this survival kit

1. Kick off a cross-functional session using the one-pager as the agenda
2. Watch replay segments together (software, EMC, labeling, etc.)
3. Assign owners for each of the 12 hazard Working Groups across RA/QA, Design, Test
4. Use the article as a quick reference to keep momentum
5. Track WG outputs and rely on your internal or external experts

one-pager for overview, the replay for context, the article for detail, and the slide deck for depth give your team a GPS starting point for 4th Edition readiness.

How We Can Help

If your team needs help mapping the 4th Edition into your design controls, QMS, labeling, or testing strategy, my team at Eisner Safety Consultants and I are ready to support you.

Schedule a call with me, Leo, the IEC 601 Guy

Keep the Conversation Going

• Join the LinkedIn conversation around the replay post and comments — replay post and comments
• See the earlier discussion thread and join the discussion: Major changes to IEC 60601-1, 4th Ed. are closer than you think
• Explore more insights on my blog or listen to past podcasts

Impacts on IEC 60601-1, 4th Ed. – Webinar Recap and Industry Reactions

Insights from 110+ MedTech professionals on the upcoming 4th Edition and its impact on design controls, QMS, and labeling.

Video Replay Download Slides Schedule a Call

On August 15, 2025, I had the privilege of presenting the Impacts on IEC 60601-1, 4th Edition webinar as part of MLVx Friday In-Focus. The turnout was incredible, with more than 110 MedTech professionals from around the world joining. Startups, SMEs, large manufacturers, test labs, and regulators were all represented.

We unpacked the drivers and major changes in the upcoming 4th Edition, and the discussion didn’t stop when the webinar ended. Some of the most valuable insights came afterward in the LinkedIn conversations that followed.

See the replay post and comments here on LinkedIn
And the prior post: Major changes to IEC 60601-1, 4th Ed. are closer than you think

What the Industry Is Talking About

From the comments and follow-up conversations, four major themes stood out:

• SME vs Large Corp Burden – Smaller companies worry the 4th Edition requirements could hit them harder than large corporations with more resources.
• National & International Committee Involvement – Many are realizing that participating in standards development, even at the national level, gives manufacturers a seat at the table. Being involved internationally is even more powerful if you can swing it.
• Rationale Behind Requirements – The Design Specification requires a rationale for each requirement of the standard. This is not fully addressed in Ed. 3.2, so the change should help improve industry understanding of the standard going forward.
• Impacts on Design Controls, QMS, and Labeling – These changes are not just “paper exercises.” They will reshape how manufacturers approach design controls, QMS integration, and labeling processes across the entire product lifecycle.

Replay Video

If you missed the live session or want to revisit the details, here’s the full webinar replay:

Download the slides here

Why This Matters

As the IEC 601 Guy, I’ve been deeply involved in the development of IEC 60601-1, not just for this edition but also for the previous edition. The 4th Edition is shaping up to be one of the most impactful yet, especially in how it connects to design controls, supplier oversight, and QMS processes.

Conversations like these are important because they highlight the real-world concerns of manufacturers, regulators, and test labs. They help ensure implementation of the standard is proactive, not reactive.

How We Can Help

If your team needs help mapping these 4th Edition changes into your design controls, QMS, or testing strategy, my team at Eisner Safety Consultants and I are here to support you.

Schedule a call with me, Leo, the IEC 601 Guy. My team & I are here to support your needs.

Keep the Conversation Going

Standards only evolve when industry voices are active. I encourage you to:

• Join the LinkedIn conversation: Replay post + comments
• See the earlier discussion thread: Major changes to IEC 60601-1, 4th Ed. are closer than you think
• Explore more insights on my blog: Standards Updates or see my previous Podcasts

Together, we can make sure these changes lead to safer devices, smoother regulatory pathways, and stronger compliance strategies.

Once the 4th Edition is published, redesigns and QMS updates will be far more costly.

Direct insights from someone in the development of IEC 60601-1, 4th Edition

Get an insider’s view of the upcoming changes, their real-world impact, and how to prepare, from someone directly involved in developing the standard.

Event Recap – MLVx Friday In-Focus

On Friday, August 15, the MLVx Friday In-Focus with Sean Smith brought together Leonard (Leo) Eisner, The IEC 60601 Guy, and 110+ professionals from around the globe, including the UK, Romania, US, France, Switzerland, Germany, Finland, and Pakistan, representing medtech manufacturers, regulators, test houses, and standards developers.

We focused on the impact of IEC 60601-1, 4th Edition, the global standard that defines safety and essential performance for medical electrical equipment, and what’s coming that many companies are still not prepared for.

The highlight was an impromptu expert panel with leaders in risk management, software, cybersecurity, regulatory submissions, and combination devices. Together, we tackled questions from every angle, sharing real-world insights on design, testing, and compliance challenges. The discussion showed exactly what’s possible when top experts collaborate to help the industry prepare for disruptive change.

(Full presentation available for download at the bottom of this post.)

Unlock Your IEC 60601-1 Insider Advantage

• Mitigate Risks: Spot disruptive changes early, prevent costly redesigns, and align documentation ahead of competitors
• Accelerated Compliance: Seamlessly integrate evolving requirements into your development pipeline
• Leadership Insight: The IEC 60601 Guy and our expert team track areas of interest for your organization based on draft documents
• Behind Closed Doors: Access knowledge while it’s still being developed
• Ready to Leap Ahead? Let’s turn this insider pipeline into your 4th Edition fast-track

+1-503-709-8328
EisnerSafety.com
Schedule a Free 30-Minute Web Meeting

If you missed the live session, this recap and presentation will help you understand what’s coming — and more importantly, how to prepare.

Free presentation in London — With Leo Eisner, The60601Guy, & Ian Sealey

𝗪𝗵𝗮𝘁’𝘀 𝗼𝗻 𝘁𝗵𝗲 𝗺𝗲𝗻𝘂?

• Some 𝗳𝘂𝘁𝘂𝗿𝗲 𝗿𝗲𝗾𝘂𝗶𝗿𝗲𝗺𝗲𝗻𝘁𝘀 of IEC60601-1 , 4th being considered you 𝙢𝙖𝙮 𝙣𝙤𝙩 𝙚𝙭𝙥𝙚𝙘𝙩:
Gas Pathways,
Cleaning,
Disinfection,
AI/ML,
Voice Input/Output,
Adhesives for Applied Parts,
PPE,
and so much more….

• IEC60601-1 , 4th Ed.
• Applicable Standards
• Future Proofing Test Plans

IEC 60601-1, 4th edition is currently in development and there are some SIGNIFICANT changes underway.

Ian Sealey, Michael Kipping, James Pink and I, Leonard (Leo) Eisner, The60601Guy, will be discussing the changes, indicative timescales, and how to plan for them.

𝗪𝗵𝗲𝗻, 𝘄𝗵𝗲𝗿𝗲, 𝗵𝗼𝘄:
7 𝘖𝘤𝘵𝘰𝘣𝘦𝘳 2024
𝘊𝘭𝘢𝘺𝘵𝘰𝘯 𝘏𝘰𝘵𝘦𝘭 𝘊𝘩𝘪𝘴𝘸𝘪𝘤𝘬
𝘈𝘳𝘳𝘪𝘷𝘢𝘭 𝘧𝘳𝘰𝘮 𝟱:𝟬𝟬𝙥𝙢
𝘚𝘵𝘢𝘳𝘵 𝟱:𝟯𝟬𝙥𝙢
𝘌𝘯𝘥 𝟴:𝟰𝟱𝙥𝙢
𝙉𝙚𝙩𝙬𝙤𝙧𝙠𝙞𝙣𝙜 𝙖𝙣𝙙 𝙙𝙧𝙞𝙣𝙠𝙨 afterwards

TICK TOCK – Time is starting to run out for signing up for this event. If you wait too long there won’t be room so sign up now before we fill up. Don’t wait tooooooo long and miss this great opportunity to learn from experts.

Register by using our Contact form, send Leo an email (go to bottom of page) or send Leo a LinkedIn message via his profile.

Join the conversation on the LinkedIn Post and leave a comment.

Learn from an 𝗶𝗻𝘀𝗶𝗱𝗲𝗿 𝗰𝗼𝗺𝗺𝗶𝘁𝘁𝗲𝗲 𝗺𝗲𝗺𝗯𝗲𝗿 that wrote portions of 𝗜𝗘𝗖 𝟲𝟬𝟲𝟬𝟭-𝟭, 𝗲𝗱 𝟯.𝟮 𝗔𝗺𝗲𝗻𝗱𝗺𝗲𝗻𝘁𝘀 and is involved in the development of the Fourth Edition of IEC 60601-1. If you want to learn about these updates to the standard and the IEC 60601 Amendments Project – You’re in luck – Leonard (Leo) Eisner the “𝗜𝗘𝗖 𝟲𝟬𝟲𝟬𝟭 𝗚𝘂𝘆” from Eisner Safety Consultants partnered with Holly Rossington of BSI to present the webinar “Leveraging the CB Scheme: A Guide for North American Medical Device Manufacturers”

We answered some of the most pressing questions, such as:
• How North American medical device manufacturers can leverage the CB scheme and its benefits.
• Examples of medical devices BSI can certify.
• Key changes introduced in the latest edition of IEC 60601-1 (Ed. 3.2):
o Clause 7, Identification and marking.
o Clause 8, Protection against electrical hazards.
o Clause 13, Hazardous situations and fault conditions.
And lots more.

Watch to the end to get other valuable resources too!!!

Need help with 60601 series standards (Medical Electrical Equipment) including EMC; training to 3rd or 4th edition; strategic planning for your medical electrical product lines; need support when FDA or a regulator asks questions for a submission Eisner Safety Consultants experts deal with EU, US, & other country regulatory requirements & standards, laws, directives, and more. Leo Eisner is an expert on standards development and sits on many standards committees. He also has experts on additional standards committees and we all talk to the regulators. He has a team of experts to support your needs.

We work with many test labs for Medical Electrical Safety & EMC and can arrange other testing, as well. Please let us know if we can help when you contact us.

Feel free to schedule a meeting Leo or contact Leo at Leo@EisnerSafety.com or through our contact form.

Webinar: Leveraging the CB Scheme: A Guide for North American Medical Device Manufacturers

When: Tuesday, June 25, 2024  

Time: 11:00 a.m. – 12:00 p.m. EDT 

About the Event: Join BSI & Leo Eisner for an insightful webinar that explores how North American medical device manufacturers can harness the power of the CB Scheme to enhance their global market access. Leo the “IEC 60601-1 Guy” will present the significant updates introduced in the latest edition of IEC 60601-1 Ed. 3.2, which will impact medical device manufacturers.

Sign up for this webinar

Need help with 60601 series standards (Medical Electrical Equipment) including EMC; training to 3rd or 4th edition; strategic planning for your medical electrical product lines; need support when FDA or a regulator asks questions for a submission Eisner Safety Consultants experts deal with EU, US, & other country regulatory requirements & standards, laws, directives, and more. Leo Eisner is an expert on standards development and sits on many standards committees. He also has experts on additional standards committees and we all talk to the regulators. He has a team of experts to support your needs.

We work with many test labs for Medical Electrical Safety & EMC and can arrange other testing, as well. Please let us know if we can help when you contact us.

Feel free to schedule a call with Leo or contact Leo at Leo@EisnerSafety.com or through our contact form.

Joe Hage graciously invited me to present on July 30 to his MDG premium group on “IEC 60601 Amendments & What’s in the future for Medical Electrical Equipment”. We had a great conversation with about 35 or so people from around the world. They were from Ireland, the Netherlands, India, the US, and elsewhere in the conversation, with questions throughout and at the end too.

I included some new information about the FDA ASCA Pilot Program (new lab info) and also some about the status of some of the Amendment standards and where the US and EU standards are at in terms of adoption.

Enjoy the presentation. It’s at https://youtu.be/yS0xfFX0VpU – MDG Premium’s special YouTube Channel

By the way I recently joined the MDG premium group and you should too. It’s a great way to meet others in the industry and trade ideas and ask questions of experts in the field.

Need help with the IEC 60601 Amendments, work thru strategic planning for your medical electrical product lines, need support when FDA or a regulator ask questions for a submission Eisner Safety Consultants experts deal with EU, US, & other country regulatory requirements & standards, laws, directives, and more. Leo Eisner is an expert on standards development and sits on many standards committees. Feel free to schedule a call with Leo www.EisnerSafety.com/Schedule-Call/ or contact Leo at Leo@EisnerSafety.com or through our contact form at https://eisnersafety.com/contact_eisner_safety/.

This amendment is multifaceted and will introduce many new changes to the symbol requirements that medical device organizations around the world will be expected to follow.

The 4th Edition of ISO 15223-1 will include 25 additional symbols in total, newly defined terms and removal of existing terms as well as inclusion of terms from other standards, and expansion of the informative annex containing examples—just to name a few.

Understanding the new requirements of ISO 15223-1 4th Edition and the intent behind these major changes will be a critically urgent task for both medical device manufacturers and organizations operating within the medical device supply chain.

This free, in-depth webinar will be presented by one of the industry’s most knowledgeable experts on this topic, Leo Eisner, a committee member of ISO/TC 210/WG 3 (ISO 15223-1). Attendees will learn about the latest updates to this key international standard, understand the full scope of changes to the ISO 15223-1 4th Edition, and uncover actionable ways to easily and effectively transition to compliance with the new requirements.

SPECIFICALLY THIS WEBINAR WILL COVER:

• Summary of what’s changing from the 3rd to 4th Edition of ISO 15223-1
• Details about revisions to scope and introduction
• Explanation of defined terms that have been added and removed from amended version
• New symbols included in the 4th Edition
• Overview of the expansion of informative annex containing examples
• Q&A session

WHO SHOULD ATTEND?

• Design and Development Engineers and Management
• Regulatory Affairs Professionals and Management
• Quality Professionals and Management
• Medical Device Labeling, Packaging, and Distribution Firms
• Clinical Affairs Professionals and Management
• Medical Device Executives

So are you ready for all the changes of Amendment 2 of IEC 60601-1 and all the Amendments?

Join us for a live free webinar on an Insider’s look at IEC60601 Amendments: detailed guidance from a committee member responsible for changes – Aug 27, 10 AM PT/ 1 PM ET

With several hundred changes written into the 60601-1 Amendment alone, suffice it to say that the full scope of changes to the IEC60601 series is massive, creating a swell of confusion around understanding the updates & how to transition for compliance.

Greenlight Guru has teamed up with Leonard Eisner, the “IEC 60601 Guy”, of Eisner Safety Consultants to share his expertise on the topic, notably his contributions to The Amendments Project.

This in-depth webinar will cover clarifying details around the massive changes of the Amendments Project, provide guidance on updated standards already published, insider knowledge into updated standards not yet published & what to expect, & how to prepare accordingly for the impact it will have on your firm and product lines.

SOME OF THE CHANGES WE WILL COVER INCLUDE: 

• Updates to IEC 60601-1 (Medical Electrical Equipment)
• Updates to IEC 60601-1-2 (EMC)
• Updates to IEC 60601-1-8 (Alarms)
• Impacts of standard changes on:
  • Design
  • Regulatory approvals (i.e. FDA vs EU Notified Body – current vs new standards)
  • Safety certifications
  • Labeling / markings / packaging
  • Tests/ retesting
  • Essential Performance
  • Risk Management File
  • Usability Engineering File
  • Software Life Cycle Process
• Q&A session

WHO SHOULD ATTEND?

• R&D Engineers and Management
• Regulatory Affairs Professionals and Management
• Quality Professionals and Management
• Medical Device Executives
• Clinical Affairs Professionals and Management