What are the classification rules according to EU Regulation 2017/745?
According to Annex VIII of the new EU Regulation 2017/745, the classification
of medical devices is based on the intended use and the worst-case rule (the
highest applies between the multiple applicable classes; the most critical of
the multiple intended uses applies).
- Substance-based DM:
non-invasive consisting of a substance or mixture of substances, intended
for in vitro use, fall into class
III.
- Invasive DMs:
they fall into class I if their duration of use is temporary; in-class
IIA if the duration is short-term; in-class IIB if
long-term.
- Invasive surgical DM:
for short and medium-term use they fall into class IIA; if absorbed or
administering medicinal products are in class IIB; if related to the
heart, they fall into class
III.
- Class III also includes breast and
ear implants, surgical nets, disc prostheses, and active implants.
- Medical
software: class IIA if the software
provides information useful for making decisions for diagnostic or
therapeutic purposes; if the information could cause the patient's death,
the software is in class III; if the information could deteriorate the
health conditions, it falls into class IIB; otherwise the software is
class I.
- DM with ancillary
medicine: class III
- Absorbed or locally
dispersed DM: they fall into class III if absorbed systemically to
achieve their intended use if they achieve their intended use in the
gastrointestinal tract; in-class IIA if applied to the skin, in the nasal
or oral cavity; otherwise in class IIB.
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