The products affected by this field action are registered in ANVISA as: (i). Aisys Anesthesia System (Registration 80071260326) - Aisys CS2 Model; (ii). Aisys Anesthesia Machine (Registration 80071260272) - Aisys Model. Thus, all Aisys CS2 anesthesia devices (GTIN: 840682102292) and upgraded AISYS anesthesia devices (ie Aisys touch screen devices and 10.X software version) are affected. Software versions other than 10.X are not affected. DISTRIBUTION MAP IN ANNEX.