<?xml version="1.0" encoding="UTF-8"?>
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/*
  Copyright (c) 2011+, HL7, Inc.
  All rights reserved.
  
  Redistribution and use in source and binary forms, with or without modification, 
  are permitted provided that the following conditions are met:
  
   * Redistributions of source code must retain the above copyright notice, this 
     list of conditions and the following disclaimer.
   * Redistributions in binary form must reproduce the above copyright notice, 
     this list of conditions and the following disclaimer in the documentation 
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   * Neither the name of HL7 nor the names of its contributors may be used to 
     endorse or promote products derived from this software without specific 
     prior written permission.
  
  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
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  Generated on Sat, Jun 13, 2026 16:03+0000 for FHIR v6.0.0-ballot4 

  Note: the schemas &amp; schematrons do not contain all of the rules about what makes resources
  valid. Implementers will still need to be familiar with the content of the specification and with
  any profiles that apply to the resources in order to make a conformant implementation.

-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="http://hl7.org/fhir" xmlns:xhtml="http://www.w3.org/1999/xhtml" targetNamespace="http://hl7.org/fhir" elementFormDefault="qualified" version="1.0">
  <xs:include schemaLocation="fhir-base.xsd"/>
  <xs:element name="DeviceAssociation" type="DeviceAssociation">
    <xs:annotation>
      <xs:documentation xml:lang="en">A record of association or dissociation of a device with a subject (e.g. patient) and/or operator.</xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name="DeviceAssociation">
    <xs:annotation>
      <xs:documentation xml:lang="en">A record of association or dissociation of a device with a subject (e.g. patient) and/or operator.</xs:documentation>
      <xs:documentation xml:lang="en">If the element is present, it must have either a @value, an @id, or extensions</xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="DomainResource">
        <xs:sequence>
          <xs:element name="identifier" minOccurs="0" maxOccurs="unbounded" type="Identifier">
            <xs:annotation>
              <xs:documentation xml:lang="en">Instance identifier.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="device" minOccurs="1" maxOccurs="1" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">Reference to the device that is being associated.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="relationship" minOccurs="0" maxOccurs="unbounded" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">Describes the relationship between the device and subject.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="status" minOccurs="1" maxOccurs="1" type="DeviceAssociationCodes">
            <xs:annotation>
              <xs:documentation xml:lang="en">Indicates the state of the Device association.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="statusReason" minOccurs="0" maxOccurs="unbounded" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">The reasons given for the current association status.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="associationStatus" minOccurs="0" maxOccurs="1" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">State of the device’s association (e.g., implanted, attached, on, off, standby, defective).</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="subject" minOccurs="0" maxOccurs="1" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">The individual, group of individuals or device that the device is on or associated with.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="focus" minOccurs="0" maxOccurs="1" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">The entity for which the device is being used, benefitting from the device, or which the device is being operated upon, which is usually distinct from the association subject, such as an operator or similar.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="bodyStructure" minOccurs="0" maxOccurs="unbounded" type="CodeableReference">
            <xs:annotation>
              <xs:documentation xml:lang="en">Current anatomical location(s) of the device in/on subject.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="period" minOccurs="0" maxOccurs="1" type="Period">
            <xs:annotation>
              <xs:documentation xml:lang="en">Begin and end dates and times for the device association.</xs:documentation>
           </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:simpleType name="DeviceAssociationCodesEnum">
    <xs:restriction base="code-primitive">
      <xs:enumeration value="active">
        <xs:annotation>
          <xs:documentation xml:lang="en">Active</xs:documentation>
        </xs:annotation>
      </xs:enumeration>
      <xs:enumeration value="inactive">
        <xs:annotation>
          <xs:documentation xml:lang="en">Inactive</xs:documentation>
        </xs:annotation>
      </xs:enumeration>
      <xs:enumeration value="entered-in-error">
        <xs:annotation>
          <xs:documentation xml:lang="en">Entered in Error</xs:documentation>
        </xs:annotation>
      </xs:enumeration>
      <xs:enumeration value="unknown">
        <xs:annotation>
          <xs:documentation xml:lang="en">Unknown</xs:documentation>
        </xs:annotation>
      </xs:enumeration>
    </xs:restriction>
  </xs:simpleType>
  <xs:complexType name="DeviceAssociationCodes">
    <xs:annotation>
      <xs:documentation xml:lang="en">A coded concept specifying the state of the device association.</xs:documentation>
      <xs:documentation xml:lang="en">If the element is present, it must have either a @value, an @id, or extensions</xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="Element">
        <xs:attribute name="value" type="DeviceAssociationCodesEnum" use="optional"/>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
</xs:schema>
