{
  "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": "2026-10-13"
  },
  "results": [
    {
      "term": "Appropriate Device Problem Term/Code Not Available",
      "count": 1031
    },
    {
      "term": "Expulsion",
      "count": 416
    },
    {
      "term": "Positioning Failure",
      "count": 246
    },
    {
      "term": "Adverse Event Without Identified Device or Use Problem",
      "count": 164
    },
    {
      "term": "Therapeutic or Diagnostic Output Failure",
      "count": 145
    },
    {
      "term": "Migration",
      "count": 115
    },
    {
      "term": "Circuit Failure",
      "count": 107
    },
    {
      "term": "Insufficient Device Problem Information",
      "count": 95
    },
    {
      "term": "Unexpected Therapeutic Results",
      "count": 65
    },
    {
      "term": "Failure to Deliver Shock/Stimulation",
      "count": 54
    },
    {
      "term": "Output Problem",
      "count": 51
    },
    {
      "term": "Malposition of Device",
      "count": 44
    },
    {
      "term": "Impedance Problem",
      "count": 32
    },
    {
      "term": "Inadequacy of Device Shape and/or Size",
      "count": 31
    },
    {
      "term": "Signal Artifact/Noise",
      "count": 31
    },
    {
      "term": "Patient Device Interaction Problem",
      "count": 27
    },
    {
      "term": "Electrical Shorting",
      "count": 25
    },
    {
      "term": "Failure to Read Input Signal",
      "count": 23
    },
    {
      "term": "Patient-Device Incompatibility",
      "count": 18
    },
    {
      "term": "No Device Output",
      "count": 15
    },
    {
      "term": "No Apparent Adverse Event",
      "count": 14
    },
    {
      "term": "Device Appears to Trigger Rejection",
      "count": 13
    },
    {
      "term": "High impedance",
      "count": 13
    },
    {
      "term": "Positioning Problem",
      "count": 11
    },
    {
      "term": "Decreased Sensitivity",
      "count": 9
    },
    {
      "term": "Increased Sensitivity",
      "count": 9
    },
    {
      "term": "Intermittent Shock/Stimulation",
      "count": 8
    },
    {
      "term": "Defibrillation/Stimulation Problem",
      "count": 7
    },
    {
      "term": "Device Tipped Over",
      "count": 6
    },
    {
      "term": "Loose or Intermittent Connection",
      "count": 6
    },
    {
      "term": "Migration or Expulsion of Device",
      "count": 6
    },
    {
      "term": "Therapy Delivered to Incorrect Body Area",
      "count": 5
    },
    {
      "term": "Device Dislodged or Dislocated",
      "count": 4
    },
    {
      "term": "Inappropriate/Inadequate Shock/Stimulation",
      "count": 4
    },
    {
      "term": "Difficult to Remove",
      "count": 3
    },
    {
      "term": "Noise, Audible",
      "count": 3
    },
    {
      "term": "Battery Problem",
      "count": 2
    },
    {
      "term": "Calibration Problem",
      "count": 2
    },
    {
      "term": "Device Handling Problem",
      "count": 2
    },
    {
      "term": "Electrical /Electronic Property Problem",
      "count": 2
    },
    {
      "term": "Improper or Incorrect Procedure or Method",
      "count": 2
    },
    {
      "term": "Loss of Data",
      "count": 2
    },
    {
      "term": "Material Fragmentation",
      "count": 2
    },
    {
      "term": "Material Rupture",
      "count": 2
    },
    {
      "term": "Mechanical Problem",
      "count": 2
    },
    {
      "term": "Overheating of Device",
      "count": 2
    },
    {
      "term": "Unintended Movement",
      "count": 2
    },
    {
      "term": "Unstable Impedance",
      "count": 2
    },
    {
      "term": "Contamination",
      "count": 1
    },
    {
      "term": "Device Fell",
      "count": 1
    },
    {
      "term": "Entrapment of Device",
      "count": 1
    },
    {
      "term": "Installation-Related Problem",
      "count": 1
    },
    {
      "term": "Material Protrusion/Extrusion",
      "count": 1
    },
    {
      "term": "Off-Label Use",
      "count": 1
    },
    {
      "term": "Shelf Life Exceeded",
      "count": 1
    },
    {
      "term": "Use of Device Problem",
      "count": 1
    }
  ]
}