Case C-329/16: Judgment of the Court (Fourth Chamber) of 7 December 2017 (request for a preliminary ruling from the Conseil d’État — France) — Syndicat national de l’industrie des technologies médicales (Snitem), Philips France v Premier ministre, Ministre des Affaires sociales et de la Santé (Reference for a preliminary ruling — Medical devices — Directive 93/42/EEC — Scope — ‘Medical device’ — CE marking — National legislation making drug prescription assistance software subject to a certification procedure laid down by a national authority)