{
  "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": "2026-04-15",
    "results": {
      "skip": 0,
      "limit": 1,
      "total": 1
    }
  },
  "results": [
    {
      "status": "Terminated",
      "city": "Littleton",
      "state": "MA",
      "country": "United States",
      "classification": "Class II",
      "openfda": {},
      "product_type": "Devices",
      "event_id": "75494",
      "recalling_firm": "Mevion Medical Systems, Inc.",
      "address_1": "300 Foster Street",
      "address_2": "N/A",
      "postal_code": "01460-2017",
      "voluntary_mandated": "Voluntary: Firm initiated",
      "initial_firm_notification": "Letter",
      "distribution_pattern": "US Nationwide Distribution in the states of:  FL, MO, NJ,  OH, OK",
      "recall_number": "Z-0411-2017",
      "product_description": "MEVION S250     Product Usage:  Proton Radiation Therapy System",
      "product_quantity": "6 units",
      "reason_for_recall": "Software defect:2D projection of contours in Verity. The defect causes structures to appear off from their true position in the DRR and the radiograph with an error that increases with the distance of the structure from isocenter",
      "recall_initiation_date": "20161020",
      "center_classification_date": "20161114",
      "termination_date": "20170515",
      "report_date": "20161123",
      "code_info": "Serial Numbers: S250-0001 through S250-0006"
    }
  ]
}