There are a lot of people who either do not properly understand the certification requirements for medical devices and personal protective equipment (PPE), or who are wilfully ignoring them. The current Covid-19 crisis is providing cover for all kinds of confusion and the regulatory bodies are overwhelmed with other priorities. Hopefully this article will help to explain the true situation.

A surgical face mask, which is worn by clinical staff and is intended to stop them from transmitting an infection to their patients, is a class 1 medical device. There is a standard for them (EN 14683) which is harmonised under the Medical Devices Directive and for practical purposes following that standard is the only sensible way to conform to the CE marking requirements.

Protective face shields, which provide protection to the medical staff and others who wear them, are PPE and under the categorisation system for that Regulation (which is completely different to the classification system used for medical devices) they are the highest category of PPE (Cat III) because they are intended to provide protection against harmful biological agents. Again, there is a standard (EN 166), harmonised under the PPE Regulation, and following this is by far the easiest way to show that you have met the requirements for CE marking.

Category III PPE must be independently type tested and manufactured under a quality system which is approved by a Notified Body. Class 1 medical devices can be CE marked by their manufacturer without any Notified Body intervention.

There is no such thing as a "EN 166 category 1 face shield” - the category is defined by the Regulation, not by the standard – and while a manufacturer may describe their product as a ‘medical face shield’ that does not change the fact that it must be certified as PPE and not as a medical device.

EN 14683 recognises that surgical face masks may also provide some protection for the wearer but there is a convention established between the PPE Regulation and the Medical Devices Directive which says that any product which is both a medical device and PPE is only certified under the Medical Devices Directive, although it also has to meet the safety requirements of the PPE Regulation where they are relevant. However, while CE marking a face shield as a medical device is theoretically possible, there is no standard for this and the rules for CE marking medical devices, which require the manufacturer to have clear evidence that the device provides a medical benefit in response to one or more specific illness or disability, actually make it likely that it will cost more and take longer than the Notified Body procedure for PPE.

In response to the Covid-19 crisis, and based on recommendations from the European Commission, the UK government has introduced two fast-track procedures which allow certain types of PPE to be sold without the CE mark.

Firstly, if you are selling PPE direct to the government then the Office of Product Safety and Standards (OPSS) will assess the product and say whether or not it meets the needs of the public healthcare sector. No Notified Body is involved in this procedure, and the product cannot be CE marked. Only products sold to central government procurement are permitted to use this route - if you are selling direct to end users (including hospitals and care homes) then you must follow the second route.

The second route is that the UK Government has introduced a temporary derogation from the requirement to CE mark PPE for manufacturers whose products will be useful in responding to the Covid-19 crisis. This derogation does not remove the requirement for CE marking completely, it merely allows a manufacturer to ship their product to a customer before the CE marking process is fully complete, so long as the manufacturer has engaged a Notified Body and the Notified Body has done some basic checks on the product. Current indications are that these checks take about a week to complete. Note that the CE mark cannot be applied to the product until the full Notified Body testing and audit has been completed.

There are also similar fast track procedures in place for some medical devices (principally ventilators) but the assessment is done by the Department for Health and Social Care (DHSC) and the Medicines and Healthcare Products Regulatory Authority (MHRA) instead of OPSS. However, for class 1 devices such as surgical masks and drapes it is likely to be quicker for the manufacturer to simply follow the correct procedure for CE marking by self certification.

In addition to the two fast track procedures offered by the Government described above, there is a third procedure for PPE which has been agreed by the PPE Notified Bodies and the European Commission. This consists of a simplified set of tests which have been selected specifically for Covid-19 related protection products. Products which pass the tests will be issued with a certificate which is only valid for a year (instead of the normal 5 years for a PPE type approval) and there is no requirement for any quality control certification.

Finally, there is a class of mask (probably better referred to as a ‘face covering’) which does not require CE marking at all. These are simple products for which the manufacturer makes no medical benefit claims or any claims of protection for the wearer. Such face coverings consist of a simple textile rectangle covering the nose and mouth and held in place by elastic loops behind the ears, or laces tied behind the wearer's head. They help to prevent the spread of disease by limiting the effects of coughing and sneezing, but they do not provide enough filtering to stop the wearer from breathing in the virus and therefore they are not classed as PPE. We will be publishing more guidance on these face coverings in the next few days. Please contact us if you have any questions in the meanwhile.


The following are some useful links which provide more detail and background information on the above comments:

Summary of the Medical Devices Directive with a link to download the full text:


Summary of the Personal Protective Equipment Regulation with a link to download the full text:


Proposal to delay implementation of the Medical Devices Regulation:


Link to the MHRA rapid supply ventilator specification:


Link to some information on the short term fast track approval process for medical devices put in place in response to Covid-19:


Link to the standards BSI have made freely available in response to the crisis:

NB, it looks like these documents will expire on 31 July 2020


Link to information on the requirements for PPE and hand sanitising products, including fast-track approvals:


Commission Recommendation (EU) 2020/403 of 13 March 2020 on conformity assessment and market surveillance procedures within the context of the COVID-19 threat:


WHO Disease commodity package for novel coronavirus:


List of PPE Notified Bodies (products for protection against harmful biological agents):


List of medical device Notified Bodies (active non-implantable respiratory devices):

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