{
  "resourceType": "NamingSystem",
  "id": "usb-address-identifier",
  "text": {
    "status": "generated",
    "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\"><h3>Summary</h3><table class=\"grid\"><tr><td>Defining URL</td><td>http://terminology.hl7.org/NamingSystem/usb-address-identifier</td></tr><tr><td>Name</td><td>USB_Address_Identifier</td></tr><tr><td>Status</td><td>active</td></tr><tr><td>Definition</td><td><div><p>A USB device that is plugged in identifies itself by its VID/PID combination. A VID is a 16-bit vendor number (Vendor ID). A PID is a 16-bit product number (Product ID). A host uses the VID/PID combination to find the drivers (if any) that are to be used for the USB device. For this to work, the VID/PID combination must be unique, in the sense that each USB device with the same VID/PID will use the same driver. So, whenever you need a specific driver for your USB product, you will need a unique VID/PID for that product. In that sense, the VID/PID combination does not really serve as a truly unique identifier of a single device instance. It is, however, useful to know for medical devices that communicate using USB.</p>\n</div></td></tr><tr><td>Publisher</td><td>IHE Patient Care Devices (PCD)</td></tr></table><h3>Identifiers</h3><table class=\"grid\"><tr><td><b>Type</b></td><td><b>Value</b></td><td><b>Preferred</b></td><td><b>Comment</b></td></tr><tr><td>URI</td><td>http://hl7.org/fhir/sid/usb</td><td>true</td><td>USB VID (Vendor identifier) and PID (Product identifier) values</td></tr></table></div>"
  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/tools/StructureDefinition/extension-title",
      "valueString": "USB VID and PID as a device identifier"
    },
    {
      "url": "http://hl7.org/fhir/5.0/StructureDefinition/extension-NamingSystem.url",
      "valueUri": "http://terminology.hl7.org/NamingSystem/usb-address-identifier"
    },
    {
      "url": "http://terminology.hl7.org/StructureDefinition/ext-namingsystem-version",
      "valueString": "1.0.0"
    }
  ],
  "name": "USB_Address_Identifier",
  "status": "active",
  "kind": "identifier",
  "date": "2021-06-14T00:00:00-00:00",
  "publisher": "IHE Patient Care Devices (PCD)",
  "contact": [
    {
      "name": "Devices on FHIR working group; IHE Patient Care Devices"
    }
  ],
  "responsible": "IHE Patient Care Devices",
  "description": "A USB device that is plugged in identifies itself by its VID/PID combination. A VID is a 16-bit vendor number (Vendor ID). A PID is a 16-bit product number (Product ID). A host uses the VID/PID combination to find the drivers (if any) that are to be used for the USB device. For this to work, the VID/PID combination must be unique, in the sense that each USB device with the same VID/PID will use the same driver. So, whenever you need a specific driver for your USB product, you will need a unique VID/PID for that product. In that sense, the VID/PID combination does not really serve as a truly unique identifier of a single device instance. It is, however, useful to know for medical devices that communicate using USB.",
  "uniqueId": [
    {
      "type": "uri",
      "value": "http://hl7.org/fhir/sid/usb",
      "preferred": true,
      "comment": "USB VID (Vendor identifier) and PID (Product identifier) values"
    }
  ]
}