Implant Device Assigned to Patient

{
  "resourceType" : "DeviceAssociation",
  "id" : "implant-association",
  "contained" : [{
    "resourceType" : "Patient",
    "id" : "example-patient",
    "name" : [{
      "family" : "Doe",
      "given" : ["John"]
    }]
  },
  {
    "resourceType" : "Device",
    "id" : "implant-device",
    "status" : "active",
    "name" : [{
      "value" : "ICD Model X",
      "type" : {
        "coding" : [{
          "code" : "model-name"
        }]
      }
    }],
    "type" : [{
      "coding" : [{
        "system" : "urn:iso:std:iso:11073:10101",
        "code" : "753666",
        "display" : "MDC_IDC_ENUM_DEV_TYPE_ICD"
      }]
    }]
  },
  {
    "resourceType" : "BodyStructure",
    "id" : "heart-structure",
    "includedStructure" : [{
      "structure" : {
        "coding" : [{
          "system" : "http://snomed.info/sct",
          "code" : "80891009",
          "display" : "Heart structure"
        }]
      }
    }],
    "description" : "Anatomical site for ICD implantation",
    "patient" : {
      "reference" : "#example-patient"
    }
  }],
  "device" : {
    "reference" : "#implant-device"
  },
  "status" : {
    "coding" : [{
      "system" : "http://hl7.org/fhir/deviceassociation-status",
      "code" : "implanted"
    }]
  },
  "subject" : {
    "reference" : "#example-patient"
  },
  "bodyStructure" : {
    "reference" : "#heart-structure"
  },
  "period" : {
    "start" : "2022-01-01"
  }
}