30 January 2020

Understanding the new EU MDR Classification Rules

By William Coupe

The European Medical Device Regulation (EU MDR) will be coming in to effect on 26 May 2020. With the deadline fast approaching, do you understand the new EU MDR Classification Rules and which medical devices fall under the updated classifications?

MDR Device Classification Rules

The MDR will contain 22 rules for classification – four more than the previous Medical Device Directive (MDD). All of the rules are based on the potential risks associated with the device, its technical design, and how the device is manufactured.

Rules 1 – 4 cover non-invasive devices. These devices either do not touch the patient or only contact skin which is intact.

  • Rule 1– Non-invasive devices
  • Rule 2 – Non-invasive devices intended for channelling or storing (including cells)
  • Rule 3 – Non-invasive devices that modify biological or chemical composition of blood, body liquids, other liquids and cells
  • Rule 4 – Non-invasive devices in contact with injured skin or mucous membrane

Rules 5 – 8 focus on invasive devices. An invasive device is any medical device that is introduced into the body, either through a break in the skin or an opening in the body.

  • Rule 5 – Devices invasive in body orifices
  • Rule 6 – Surgically invasive devices for transient/impermanent use
  • Rule 7 – Surgically invasive devices for short term use
  • Rule 8 – Surgically invasive devices for long term use and implantable (including any device administering medicinal products, surgical mesh or spinal disc)

Rules 9 – 13 cover active devices. An active medical device is any medical device relying on a source of electrical energy or any source of power other than that directly generated by the human body or by gravity.

  • Rule 9 – Active therapeutic devices intended to exchange or administer energy
  • Rule 10 – Active devices for diagnosis and monitoring that emit ionizing radiation
  • Rule 11 – Software intended to provide information which is used to make decisions with diagnosis or therapeutic purposes (from class I to class III)
  • Rule 12 – Active devices intended to administer and/or remove medicinal products, body liquids or other substances
  • Rule 13 – All other active devices

Rules 14 – 22 (which includes the four new rules for MDR) cover special rules. These are rules which cannot be categorised into the other sets previously mentioned.

  • Rule 14 – Devices incorporating a medicinal substance including human blood or plasma
  • Rule 15 – Contraception or prevention of the transmission of sexually transmitted diseases
  • Rule 16 – Specific disinfecting, cleaning, and rinsing devices
  • Rule 17 – Devices specifically intended for recording of diagnostic images generated by X-ray radiation
  • Rule 18 – Devices utilising non-viable tissues or cells of human origin or tissues of animal or derivatives
  • Rule 19 – Devices incorporating or consisting of nanomaterial
  • Rule 20 – Invasive devices with respect to body orifices to administer medicinal products by inhalation
  • Rule 21 – Substances or combinations of substances that are intended to be introduced into the human body via a body orifice or applied to the skin and that are absorbed
  • Rule 22 – Active therapeutic devices with an integrated or incorporated diagnostic function which significantly determines the patient management

Examples of medical devices against MDR Classifications

The new MDR classifications reflect the potential risk of harm that a medical device poses. Class I devices are seen as the lowest risk whereas Class III are deemed high-risk devices.

Moreover, there is a new class of high-risk software that has been introduced with the MDR. Importantly, this includes stand-alone software (software that can work offline, or is a portable application). For example, an app that helps users to calculate drug doses would be a Class III medical device because the potential errors involved pose high-risks for the apps users.

Under the new regulation, it is important to understand the EU MDR Classification Rules – particularly what classification your medical device falls under – and the rules surrounding the classifications. Looking for more information on the upcoming MDR? Access your free toolkit today.

 

 

 

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