On 7/18/2017 integra investigation completed.Method: failure analysis, device history evaluation.Results: failure analysis - device returned in used condition, showing minimal wear and the inner cannula that houses the bipolar tip, came out.It is also noticed that the shaft of the instrument is bent.Without knowing how much pressure was on the tip when in use, the cause is undetermined.This type of damage is usually the result from improper usage.The complaint report is confirmed, device history evaluation - nonconforming product report / nonconforming material report history: none.Variance authorization / deviation history: none.Engineering change order/manufacturing change order history: there is no applicable engineering change order/manufacturing change order history.Corrective action preventive action history/corrections: none.Health hazard evaluation history: none.Conclusion: the root cause has not been identified as a workmanship or material deficiency.
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