Software in Medical Devices, by MD101 Consulting

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Tag - development process

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Friday, 15 May 2020

Software release vs design transfer

A recurring question is the confusion, or more precisely the difference between software release of IEC 62304, and design transfer of ISO 13485.

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Monday, 3 July 2017

Cybersecurity in medical devices - Part 4 Impact on Software Development Process

We continue this series of posts on cybersecurity with some comments on impacts of cybersecurity on the software development documentation.

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Friday, 1 July 2016

How to validate software development tools like Jira or Redmine?

Following the discussion on ISO/TR 80002-2 and AAMI TRI 36 in the previous article, here are some tips on how to validate workflow and data management software like Jira or Redmine.

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Friday, 8 April 2016

IEC 82304-1 - Consequences on agile software development processes

Continuing our series about IEC 82304-1, let's see the consequences of this standard on agile software development processes.

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Friday, 5 February 2016

New FDA draft guidance on interoperable medical devices

The draft guidance about Design Considerations and Pre-market Submission Recommendations for Interoperable Medical Devices was published late January 2016.

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Friday, 18 December 2015

IMDRF final document: Software as a Medical Device (SaMD): Application of Quality Management System

The IMDRF published in October 2015 the guidance document titled "Software as a Medical Device (SaMD): Application of Quality Management System" in its final version.

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Friday, 3 October 2014

Content of DHF, DMR and DHR for medical device software - Part 1 DHF

After a temporary absence, I'm back on the waves with a new series of articles to talk about the files required by the 21 CFR 820 regulations:

  • DHF: Design History File,
  • DMR: Device Master Record,
  • DHR: Device History Record.

Let's begin with the DHF.

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Friday, 11 April 2014

Validation of compiler and IDE - Why, when and how to? - Part 3

Coming back to the discussion about validating compilers and IDE, here are a few more comments I have on this topic.

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Friday, 28 March 2014

Validation of compiler and IDE - Why, when and how to? - Part 2: compilers

We saw in the last post how to validate a software development tool. But we saw also that validating a compiler this way is not a satisfactory task.
Then: Why, when, and how to validate a compiler?

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Friday, 14 March 2014

Validation of compiler and IDE - Why, when and how to? - Part 1

Validating the compiler used in software development is a recurring issue. To what extent a compiler should be validated, when, how and why?
In the same vein, we can extend the question of validation to all tools used in the software development environment: integrated development environment, configuration management tools, compiler (and linker), automated test tools.

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Friday, 28 February 2014

Goto Fail

If you've haven't heard about Apple's security flaw registered as CVE-2014-1266 on apple website, you probably were on planet Mars.
Basically, it was unsafe to use https connections. I couldn't help but write an article about this!
Components dealing with secured connections are abolutely critical. Applying rigorous development process is the best chance to avoid any trouble with these components.

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Tuesday, 3 December 2013

How to develop a smartphone App to be FDA-cleared or CE Marked? - part 2 IEC 62304 and agile methods

In the last article we've seen the consequences of regulations on Apps, which run on smartphone or - more broadly - on mobile platforms.
Today, let's have a look at the main standard to apply when developing software for medical devices: IEC 62304, and the context in which most people want to apply it: agile methods.

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Friday, 18 October 2013

Template: new Software Configuration Management Plan

A new Software Configuration Management Plan (SCMP) Template, more adapted to agile methods.

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Friday, 11 October 2013

How to validate a software medical device running on web browsers?

Your company develops medical web apps (HTML/JS, HTML5 or any other client-side technology) and your customers would like them to run on every web browser.

Web browsers are SOUP, according to IEC 62304. In case of Chrome and Firefox there are dozens of versions...

Does it mean that software has to be tested - and documented - with every single browser and every single version of the browser?
That's a nightmare!

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Friday, 13 September 2013

Templates STP - STD and STR updated

Here is an update of Software Test Plan, Software Test Description, and Software Test Report templates.

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Friday, 6 September 2013

Templates SAD and SDD updated

Here is an update of System Architecture Description template and Software Detailed Design template.

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Friday, 5 April 2013

MD and IVD standards: IEC 60601-1 and IEC 61010-1, versus IEC 62304 - Part 1

Manufacturers of medical devices often ask themselves the obvious question:
Is it mandatory to be compliant both with IEC 60601-1 and IEC 62304?

Similarly, manufacturers of in vitro diagnosis devices ask themselves:
Are my devices in the scope of IEC 62304?

Obviously, medical devices (MD) with electric or electronic components are in the scope of IEC 60601-1. And in-vitro diagnosis devices (IVD) with electric or electronic components are in the scope of IEC 61010-1.

Do MD and IVD that embed software, fall in the scope of IEC 62304?
This is not so obvious.

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Friday, 1 March 2013

How to bring legacy software into line with IEC 62304? - part 2

We've seen in the last post how to manage changes in legacy software. Let's see it from another point of view: the type of legacy software.

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Friday, 22 February 2013

How to bring legacy software into line with IEC 62304? - part 1

Most of medical devices manufacturers have legacy software that was not designed according to IEC 62304. The devices that embed legacy software were once verified and validated. These devices and their software work well and no major adverse event were raised by software issues.
But one day, the manufacturer decides that it's time to bring that legacy software into line with IEC 62304, to align the technical file of that software (or the contribution of software to technical file content) with up-to-date standard or regulatory requirements.

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Friday, 18 January 2013

Class A, B and C. When to do detailed design of software medical devices?

In my last post, I explained what criteria should be taken to define the level of details of software units in a software design. This activity is not mandatory for all levels of risk of software in medical devices, though, according to IEC 62304.

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