EUDAMED is the European Database on medical devices. Its purpose is to strengthen market surveillance and transparency in medical device field providing to competent national authorities with quick access to information. EUDAMED also contribute to the uniform application of the Directives.

Here are some link to better understand UDI and EUDAMED

DocumentShort summaryAuthor
a3-ready_for_udi-bd GS1 quick UDI
guidance
GS1
budi_mdr_en MDR UDI attributesEU
Community
GS1_Healthcare_GTINGTIN allocation
rules
GS1
gs1_udi_guide_final_20170324 Guide on Unique Device Identification (UDI)
implementation in the USA and in the EU
GS1
imdrf-cons-udi-system-n48-180712 Unique Device Identification system (UDI system) Application Guid IMDRF
md_nomenclature_en Medical Devices Nomenclature EU
Community
mdcg_2018_2_nomenclature_en Medical device nomenclature
Description of requirements
EU
Community