Prof. Dr. Christian Johner

Inhaber der Johner Institut GmbH


Accessibility

Accessibility refers to the design of products and services that can also be used by people with physical limitations. The term “products and services” encompasses both physical and digital products and services. This also includes medical devices (physical devices, apps, other standalone software). This article explains which accessibility requirements manufacturers of medical devices should be…

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7 tips for the successful digital transformation of medical device manufacturers

Companies need to master the digital transformation quickly and successfully. This also applies to medical device manufacturers because, after all, their future depends on it. Many companies make severe mistakes during this transformation (see section 4). This article provides managers with a quick overview of the possibilities of digital transformation and gives seven tips to make it…

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Verification and validation: Differences and definitions

What is the difference between verification and validation, and how are these terms defined? Even standards and regulations use the terms incorrectly or misleadingly. This article 1. Verification a) Definition This definition does not explain what type of “requirements” need to be confirmed by verification. Limiting these requirements to product or component requirements is recommended to avoid…

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DAkkS: What’s behind the outrage about ISO 13485?

The DAkkS, the German Accreditation Body, is Germany’s national accreditation authority. Recently, manufacturers, associations, and certification bodies have been raising their voices against the DAkkS. It is being vilified as an example of how German bureaucracy nips any innovation in the bud. What is the truth of these accusations? Are they justified? This article presents…

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Phantoms in medical technology

Phantoms in medical technology help to develop, validate, “approve” and monitor medical devices in the markets faster and more effectively.  This article describes which organizations particularly benefit from the use of these phantoms and what requirements they must meet.  1. Examples of phantoms in medical technology  Anthropomorphic phantoms are replicas of bodies that behave like…

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