Summary

Mandatory: 4 elements (3 nested mandatory elements)
Must-Support: 9 elements

​
          // 
 {
   "resourceType" : "DeviceDefinition",
    "id" : "<id>", // Logical id of this artifact
    "meta" : {Meta}, // Metadata about the resource
    "implicitRules" : "<uri>", // A set of rules under which this content was created
    "language" : "<code>", // ​Language of the resource content
    "text" : {Narrative}, // Text summary of the resource, for human interpretation
    "contained" : [{Resource}], // Contained, inline Resources
    "extension": [
    ],
    "identifier" : [{Identifier}], // Instance identifier
    "udiDeviceIdentifier" : [{ // C? Only One!  Unique Device Identifier (UDI) Barcode string
      "extension": [
      ],
      "deviceIdentifier" : "<string>", // R! The identifier that is to be associated with every Device that references this DeviceDefintiion for the issuer and jurisdication porvided in the DeviceDefinition.udiDeviceIdentifier
      "issuer" : "<uri>", // R! The organization that assigns the identifier algorithm
      "jurisdiction" : "<uri>", // R! The jurisdiction to which the deviceIdentifier applies
    }],
// manufacturer[x]: Name of device manufacturer. One of these 2:
    "manufacturerString" : "<string>", // R! Name of device manufacturer
    "manufacturerReference" : {Reference(Organization)}, // R! Name of device manufacturer
    "deviceName" : [{ // C? R! Only One!  A name given to the device to identify it
      "extension": [
      ],
      "name" : "<string>", // R! The name of the device
      "type" : "<code>", // R! ​udi-label-name | user-friendly-name | patient-reported-name | manufacturer-name | model-name | other
    }],
    "modelNumber" : "<string>", // The model number for the device
    "type" : {CodeableConcept}, // ​What kind of device or device system this is
    "specialization" : [{ // C? The capabilities supported on a  device, the standards to which the device conforms for a particular purpose, and used for the communication
      "extension": [
      ],
      "systemType" : "<string>", // R! The standard that is used to operate and communicate
      "version" : "<string>", // The version of the standard that is used to operate and communicate
    }],
    "version" : ["<string>"], // The actual design of the device or software version running on the device
    "safety" : [{CodeableConcept}], // Safety characteristics of the device
    "shelfLifeStorage" : [{ProductShelfLife}], // Shelf Life and storage information
    "physicalCharacteristics" : {ProdCharacteristic}, // Dimensions, color etc.
    "languageCode" : [{CodeableConcept}], // Language code for the human-readable text strings produced by the device (all supported)
    "capability" : [{ // C? Device capabilities
      "extension": [
      ],
      "type" : {CodeableConcept}, // R! Type of capability
      "description" : [{CodeableConcept}], // Description of capability
    }],
    "property" : [{ // C? The actual configuration settings of a device as it actually operates, e.g., regulation status, time properties
      "extension": [
      ],
      "type" : {CodeableConcept}, // R! Code that specifies the property DeviceDefinitionPropetyCode (Extensible)
      "valueQuanity" : [{Quantity}], // Property value as a quantity
      "valueCode" : [{CodeableConcept}], // Property value as a code, e.g., NTP4 (synced to NTP)
    }],
    "owner" : {Reference(Organization)}, // Organization responsible for device
    "contact" : [{ContactPoint}], // Details for human/organization for support
    "url" : "<uri>", // Network address to contact device
    "onlineInformation" : "<uri>", // Access to on-line information
    "note" : [{Annotation}], // Device notes and comments
    "quantity" : {Quantity}, // The quantity of the device present in the packaging (e.g. the number of devices present in a pack, or the number of devices in the same package of the medicinal product)
    "parentDevice" : {Reference(DeviceDefinition)}, // The parent device it can be part of
    "material" : [{ // C? A substance used to create the material(s) of which the device is made
      "extension": [
      ],
      "substance" : {CodeableConcept}, // R! The substance
      "alternate" : <boolean>, // Indicates an alternative material of the device
      "allergenicIndicator" : <boolean>, // Whether the substance is a known or suspected allergen
    }]
  }