{
  "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": "2026-07-20",
    "results": {
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  "results": [
    {
      "third_party_flag": "N",
      "city": "Oakville, Ontario",
      "advisory_committee_description": "Ear, Nose, Throat",
      "address_1": "2370 Speers Rd.",
      "address_2": "P.O. Box 535",
      "statement_or_summary": "",
      "product_code": "ETW",
      "openfda": {
        "device_name": "Calibrator, Hearing Aid / Earphone And Analysis Systems",
        "medical_specialty_description": "Ear, Nose, Throat",
        "regulation_number": "874.3310",
        "device_class": "2",
        "registration_number": [
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      "zip_code": "L6J5B4",
      "applicant": "Madsen Electronics (Canada) , Ltd.",
      "decision_date": "1989-02-13",
      "decision_code": "SESE",
      "country_code": "CA",
      "device_name": "MADSEN IGO1500 INSERTION GAIN OPTIMIZER",
      "advisory_committee": "EN",
      "contact": "ZOILA  SEERY",
      "expedited_review_flag": "",
      "k_number": "K884372",
      "state": "",
      "date_received": "1988-10-18",
      "review_advisory_committee": "EN",
      "postal_code": "L6J5B4",
      "decision_description": "Substantially Equivalent",
      "clearance_type": "Traditional"
    }
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}