Trade name: Anesthesia Apparatus (various). Aisys (Reg 80071260326), Aisys CS2 (Reg 80071260326), and Aespire S / 5 7900 (Reg 80071260227), Aespire View (Reg 80071260133), Aestiva / 5 MRI CS2 (Reg 80071260306) and maintenance kit: 1009-8216-000, 1503-3006-000, 1503-8102-000, 1009-8423-000, 1503-8101-000) under the same registers. Risk class: III. Affected model (s); and Batch (s) / Serial number (s) affected: all produced between April and October 2015. See manufacturing date thereon.