In this deep dive, we explore the foundation of U.S. medical device quality regulation: the FDA’s Quality System Regulation, also known as 21 CFR Part 820. Framed as more than just paperwork, the QSR is revealed to be the operational heartbeat of device manufacturing, akin to a Michelin-starred kitchen where quality, safety, and consistency are designed into every step. From the first design sketch to the moment a device is packaged, stored, installed, and even serviced, the episode unpacks how manufacturers must embed robust controls across the entire lifecycle. It introduces essential documents like the DHF, DMR, and DHR, and connects them to practical examples in labeling, process validation, and cleaning procedures. The episode also demystifies change control, equipment qualification (DQ/IQ/OQ/PQ), supplier management, and post-market feedbac ...