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Investigation - evaluation: a review of the complaint history, device history record, documentation, drawing, instructions for use(ifu), manufacturing instructions, quality control, and specifications was completed during this 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.The device history record was reviewed and the non-conformances were identified, which were related to the failure mode.Appropriate personnel were notified regarding this investigation result.A thorough review of complaint history search revealed that this is the only recorded complaint associated with this lot number.Numerous design verification and validation activities have been performed to ensure that this device meets design requirements, and that the device meets the needs of the user.Each device is shipped with instructions for use (ifu) listing the indications for use, contraindications, warnings and precautions, and the correct deployment procedure.There is no evidence to suggest the product was not manufactured to current specifications.There is no evidence to suggest all items in the lot or similar devices in the field are nonconforming.There is no evidence the product was damaged upon opening.There is no information regarding any human anatomical characteristics that may have contributed to the device failure.There is no information regarding the handling of the device prior to device failure.There is no information regarding the actual atmospheric pressure the balloon was inflated to prior to that may have contributed to the device failure.Without visual, dimensional, and/or functional testing of the product, we are unable to determine if this is a manufacturing issue.Based upon the information provided and the characteristics displayed, a definitive root cause could not be determined.The root cause of this complaint is inconclusive.Per a quality engineering risk assessment no further risk reduction activities will be pursued at this time.We will notify the appropriate personnel and continue to monitor for similar complaints.
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