{
  "meta": {
    "disclaimer": "Do not rely on openFDA to make decisions regarding medical care. While we make every effort to ensure that data is accurate, you should assume all results are unvalidated. We may limit or otherwise restrict your access to the API in line with our Terms of Service.",
    "terms": "https://open.fda.gov/terms/",
    "license": "https://open.fda.gov/license/",
    "last_updated": "2026-07-27",
    "results": {
      "skip": 0,
      "limit": 1,
      "total": 1
    }
  },
  "results": [
    {
      "third_party_flag": "N",
      "life_sustain_support_flag": "N",
      "gmp_exempt_flag": "N",
      "summary_malfunction_reporting": "Eligible",
      "product_code": "PKR",
      "openfda": {
        "k_number": [
          "K211856",
          "K180538",
          "K173442",
          "K191830",
          "K172270",
          "DEN150048",
          "K182369",
          "K171306",
          "K203546"
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        "registration_number": [
          "3015529603"
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        "fei_number": [
          "3015529603"
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      },
      "review_panel": "NE",
      "medical_specialty": "NE",
      "device_name": "Non-Invasive Vagus Nerve Stimulator - Headache",
      "review_code": "",
      "unclassified_reason": "",
      "medical_specialty_description": "Neurology",
      "device_class": "2",
      "definition": "The device intended for non-invasive vagus nerve stimulation (nVNS) on the side of the neck to treat cluster headache and to reduce the frequency of cluster headache attacks.",
      "regulation_number": "882.5892",
      "implant_flag": "N",
      "submission_type_id": "1"
    }
  ]
}