{description: 扩展Patient资源以支持民族信息记录, package_name: tencent.project, derivation: constraint, name: PatientNationExtension, type: Extension, package_version: 1.0.0, class: extension, kind: complex-type, url: 'http://example.org/fhir/StructureDefinition/patient-nation', base: 'http://hl7.org/fhir/StructureDefinition/Extension', version: null}