The requirement for a device master record is outlined in the fda’s quality system. This document is a device master record index for an in vitro diagnostic product. Dmr is maintained on the company computer network in a microsoft word table, excel or equivalent format. Okay, here is a generic example of a dmr template for a medical device. 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,.