On 8/31/16 integra investigation completed.Manufacture date two suction tubes: august 2015 and march of 2016.Method: failure analysis, device history evaluation.Results: failure analysis - two suction tubes returned in used condition, showing one with purple tape marking and another with yellow and orange tape marking showing wear, and broken shafts.While performing the visual inspection of the instrument; it is noticed where the shaft area is broken.Without knowing how the instrument was handled and how much pressure was used during use, the cause of the complaint is undetermined.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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