The FDA slides at the link provided describe the history and intent of PAT. This approach involves in-process continuous monitoring of manufacturing processes and validation of these systems to allow dynamic feedback rather than static settings.:
IEC 62304 and other Emerging Standards Impacting Medical Device Software
Being Agile & Yet Compliant
ISO 14971 SaMD Risk Management
Software Risk Management
Medical Device Cybersecurity
Software Verification
IEC 62366 Usability Process and Documentation
Or just email training@softwarecpr.com for more info.