<DeviceAssociation xmlns="http://hl7.org/fhir"><id value="bp-monitor-association"/><contained><Patient><id value="example-patient"/><name><family value="Doe"/><given value="John"/></name></Patient></contained><contained><Practitioner><id value="nurse-1"/><name><family value="Smith"/><given value="Nora"/></name></Practitioner></contained><contained><Device><id value="bp-monitor"/><status value="active"/><name><value value="Omron HBP-1320"/><type><coding><code value="model-name"/></coding></type></name><type><coding><system value="http://snomed.info/sct"/><code value="258057004"/><display value="Non-invasive blood pressure monitor"/></coding></type></Device></contained><contained><BodyStructure><id value="left-arm-structure"/><includedStructure><structure><coding><system value="http://snomed.info/sct"/><code value="368208006"/><display value="Left upper arm structure"/></coding></structure></includedStructure><description value="Cuff placement site for BP measurement"/><patient><reference value="#example-patient"/></patient></BodyStructure></contained><device><reference value="#bp-monitor"/></device><status value="active"/><associationStatus><coding><system value="http://hl7.org/fhir/CodeSystem/deviceassociation-association-status"/><code value="attached"/><display value="Attached"/></coding></associationStatus><subject><reference value="#nurse-1"/></subject><focus><reference value="#example-patient"/></focus><bodyStructure><reference value="#left-arm-structure"/></bodyStructure><period><start value="2025-06-01"/><end value="2025-06-05"/></period></DeviceAssociation>