Going by the fda’s definition a dmr is: A lot of the documents are not in the device master record, but are referenced in the dmr as to where the document is located (document control office, engineering library,. The model of the dmr table should have a formal index form as. The food and drug administration (fda) requires manufacturers of medical devices to create and maintain a device master record (dmr). Dmr is maintained on the company computer network in a microsoft word table, excel or equivalent format.