EHDS Logical Information Models
0.1.0 - ci-build

EHDS Logical Information Models, published by Xt-EHR. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/Xt-EHR/xt-ehr-common/ and changes regularly. See the Directory of published versions

Logical Model: Device use model

Official URL: https://www.xt-ehr.eu/specifications/fhir/StructureDefinition/EHDSDeviceUse Version: 0.1.0
Draft as of 2025-07-08 Computable Name: EHDSDeviceUse

EHDS refined base model for device use information

Medical devices and implants is suggested as a mandatory section of Patient Summary. Implementers should as a minimum be able to produce a list of devices and give an empty list reason if there are no devices. The only required element for each listed device, is specifying the device. The information elements for each device are listed in the EHDS-PS-Device model.
If the producing system have no record of devices to list (e.g. the patient has no devices, or the system have no device information), it must provide a reason for the empty list. This is similar to the other mandatory sections, and in accordance with the specification in ISO IPS.

Receiving systems must be able to handle the data and are encouraged to display the received information to the user but are not obliged to do so.

The information elements and value sets suggested is taken from eHN GL, MyHealth@EU and HL7 FHIR IPS.

Usages:

Views of Logical Model

Description of Differentials, Snapshots and how the different presentations work.

This structure is derived from EHDSDataSet

NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. EHDSDeviceUse 0..* EHDSDataSet
Elements defined in Ancestors:header, presentedForm
Device use model
Instances of this logical model can be the target of a Reference
... header
.... status 1..1 CodeableConcept Current status of the device usage.
Binding Description: (preferred): HL7 device-statement-status
... startDate 0..1 dateTime Date when the device was implantable to the patient or the external device was first in use.
... endDate 0..1 dateTime Date when the device was explanted from the patient or the external device was no longer in use.
.... deviceCodeableConcept CodeableConcept
.... deviceEHDSDevice EHDSDevice
... bodySite 0..1 EHDSBodyStructure Anatomical location of the device. May include laterality.
... reason[x] 0..* Reason or justification for the use of the device.
.... reasonCodeableConcept CodeableConcept
.... reasonEHDSCondition EHDSCondition
.... reasonEHDSObservation EHDSObservation
.... reasonEHDSProcedure EHDSProcedure
... source[x] 0..1 Who reported the device was being used by the patient.
.... sourceEHDSPatient EHDSPatient
.... sourceEHDSHealthProfessional EHDSHealthProfessional
.... sourceEHDSRelatedPerson EHDSRelatedPerson
... note 0..* string Note about the device statement that were not represented at all or sufficiently in one of the attributes provided in a class. These may include for example a comment, an instruction, or a note associated with the statement.

doco Documentation for this format

Terminology Bindings (Differential)

PathConformanceValueSetURI
EHDSDeviceUse.header.statuspreferred
NameFlagsCard.TypeDescription & Constraints    Filter: Filtersdoco
.. EHDSDeviceUse 0..* EHDSDataSet
Elements defined in Ancestors:header, presentedForm
Device use model
Instances of this logical model can be the target of a Reference
... header 1..1 Base Common header for all patient-related data
.... subject 1..1 EHDSPatient Subject
.... identifier 0..* Identifier Business identifier for the object
.... authorship 1..* Base Authorship
..... author[x] 1..1 Author
...... authorEHDSHealthProfessional EHDSHealthProfessional
...... authorEHDSOrganisation EHDSOrganisation
...... authorEHDSDevice EHDSDevice
..... datetime 1..1 dateTime Date and time of authoring/issuing
.... lastUpdate 0..1 dateTime Date and time of the last update to the resource
.... status 1..1 CodeableConcept Current status of the device usage.
Binding Description: (preferred): HL7 device-statement-status
.... statusReason[x] 0..1 Reason for the current status of the resource.
..... statusReasonCodeableConcept CodeableConcept
..... statusReasonString string
.... language 0..1 CodeableConcept Language
Binding Description: (preferred): BCP 47
.... version 0..1 string Version
... presentedForm 0..* EHDSAttachment A narrative easy-to-read representation of the full data set, e.g. PDF-version of a document
... startDate 0..1 dateTime Date when the device was implantable to the patient or the external device was first in use.
... device[x] 1..1 The details of the device used.
.... deviceCodeableConcept CodeableConcept
.... deviceEHDSDevice EHDSDevice
... bodySite 0..1 EHDSBodyStructure Anatomical location of the device. May include laterality.
... reason[x] 0..* Reason or justification for the use of the device.
.... reasonCodeableConcept CodeableConcept
.... reasonEHDSCondition EHDSCondition
.... reasonEHDSObservation EHDSObservation
.... reasonEHDSProcedure EHDSProcedure
... source[x] 0..1 Who reported the device was being used by the patient.
.... sourceEHDSPatient EHDSPatient
.... sourceEHDSHealthProfessional EHDSHealthProfessional
.... sourceEHDSRelatedPerson EHDSRelatedPerson
... note 0..* string Note about the device statement that were not represented at all or sufficiently in one of the attributes provided in a class. These may include for example a comment, an instruction, or a note associated with the statement.

doco Documentation for this format

Terminology Bindings

PathConformanceValueSetURI
EHDSDeviceUse.header.statuspreferred
EHDSDeviceUse.header.languagepreferred

 

Other representations of model: CSV, Excel