The investigation concluded that the device failure may have occured due to an installation error and failure to follow post-op procedure.It was noted that not all screws were installed.As per instructions for use, a non-union or implant failure may occur if not all screws are present.Patient was "very active and not very compliant", and admitted to lifting heavy weights at work.The product was not returned for evaluation.Based on information provided and investigation performed, this does not appear to be a device malfunction.
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