<?xml version="1.0" encoding="UTF-8"?><DeviceAssociation xmlns="http://hl7.org/fhir">
  <id value="bp-monitor-association"/>
  <meta>
    <security>
      <system value="http://terminology.hl7.org/CodeSystem/v3-ActReason"/>
      <code value="HTEST"/>
      <display value="test health data"/>
    </security>
  </meta>
  <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>
      <reference value="#left-arm-structure"/>
    </reference>
  </bodyStructure>
  <period>
    <start value="2025-06-01"/>
    <end value="2025-06-05"/>
  </period>
</DeviceAssociation>