This Practice Note considers the European database on medical devices (EUDAMED) and the obligations of economic operators, such as manufacturers, distributors and importers of medical devices, under Regulation (EU) 2017/745, the Medical Devices Regulation (MDR) and Regulation (EU) 2017/746, the In Vitro Diagnostic Medical Devices Regulation (IVDR). For information on: • key provisions of the MDR and IVDR, see Practice Note: Introduction to the EU Medical Devices Regulation and In Vitro Diagnostic Medical Devices Regulation • scope and classification of devices, conformity assessment procedures and Notified Bodies, see Practice Note: The EU Medical Devices Regulation and In Vitro Diagnostic Medical Devices Regulation—scope, classification of devices and Notified Bodies • clinical evaluation and investigation of devices, see Practice Note: Clinical evaluation and performance evaluation of medical devices in the EU • post-market surveillance, see Practice Note: Post-market surveillance of medical devices in the EU EUDAMED and UDI system The European Commission has been tasked with expanding Eudamed2, the database under the MD Directives