Service personnel
Service personnel receive the technical description, so it has to give them what they need for safe installation, maintenance and repair.
individuals or entity accountable to the responsible organization that install, assemble, maintain or repair a medical device or accessory (3.1) [SOURCE: IEC 60601-1:2005[2], 3.113, modified — The reference to ‘me equipment, me systems or equipment’ has been replaced by ‘a medical device or accessory’.]
ISO 20417:2021, clause 3.23