{
  "resourceType" : "NamingSystem",
  "id" : "usb-address-identifier",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: NamingSystem usb-address-identifier</b></p><a name=\"usb-address-identifier\"> </a><a name=\"hcusb-address-identifier\"> </a><a name=\"usb-address-identifier-en-US\"> </a><h3>Summary</h3><table class=\"grid\"><tr><td>Defining URL</td><td>http://terminology.hl7.org/NamingSystem/usb-address-identifier</td></tr><tr><td>Version</td><td>1.0.0</td></tr><tr><td>Name</td><td>USB_Address_Identifier</td></tr><tr><td>Title</td><td>USB VID and PID as a device 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/5.0/StructureDefinition/extension-NamingSystem.url",
    "valueUri" : "http://terminology.hl7.org/NamingSystem/usb-address-identifier"
  },
  {
    "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-NamingSystem.version",
    "valueString" : "1.0.0"
  },
  {
    "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-NamingSystem.title",
    "valueString" : "USB VID and PID as a device identifier"
  }],
  "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"
  }]
}