Investigation - evaluation: a review of documentation, quality control, manufacturing instructions and specification was conducted during the investigation.The complaint device was not returned therefore, device failure analysis and physical examination of the device used in this case could not be performed.Product lot number was not provided; therefore a review of non-conformances cannot be completed at this time.Based on the information provided, the actual root cause is unknown and no conclusion can be drawn.We will continue to monitor for similar complaints.Per the quality engineering risk assessment no further action is required.Per the risk assessment no further action is required.
|