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See the Directory of published versions
device-example-specimen-container-red-top-vacutainer
{
  "resourceType" : "Device",
  "id" : "device-example-specimen-container-red-top-vacutainer",
  "identifier" : [{
    "system" : "http://acme.com/containers/id",
    "value" : "345676"
  }],
  "name" : [{
    "value" : "Red Top Tube",
    "type" : {
      "coding" : [{
        "system" : "http://hl7.org/fhir/device-nametype",
        "code" : "registered-name",
        "display" : "Registered Name"
      }]
    }
  }],
  "property" : [{
    "type" : {
      "coding" : [{
        "system" : "http://acme.com/containers/codes",
        "code" : "tube-type",
        "display" : "Tube Type"
      }]
    },
    "valueCodeableConcept" : {
      "coding" : [{
        "system" : "http://acme.com/containers/types",
        "code" : "RedTop",
        "display" : "Red Top Tube"
      }]
    }
  },
  {
    "type" : {
      "coding" : [{
        "system" : "http://acme.com/containers/codes",
        "code" : "amount",
        "display" : "Amount"
      }]
    },
    "valueCodeableConcept" : {
      "coding" : [{
        "system" : "http://acme.com/containers/capacities",
        "code" : "4.5mL",
        "display" : "4.5 mL"
      }]
    }
  }]
}
 
Usage note: every effort has been made to ensure that the
examples are correct and useful, but they are not a normative part 
of the specification.