PoCD devices must support UDI across devices that scale from very simple to very complex, as well as fixed configurations and dynamically (during option) additionl / removal of components. In the more complex cases, a single device configuration may have multiple UDIs associated with the overall device and then with subsystems (even at a sensor level). It is important that UDI information be captured in a single FHIR resource - namely Device.
The following diagrams illustrate how to formalize UDI information as related to the general model presented below in Profiles.
A device with a single UDI covering all subcomponents.
Diagram #2 A modular device with additional UDI at VMD level.
Diagram #3 A modular device with additional UDIs at VMD and Channel level.
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