The lot history records of this lot were reviewed with special attention to the manufacturing and inspection of this product and the product was found to have met the specification prior to shipment.Based on the information available it is not reasonably suggested that a manufacturing process may have caused or contributed to the reported issue.Based on the investigation of the returned catheter sample a break and detachment of the distal delivery system tip could be confirmed.The delivery system was returned in used condition without stent graft and without distal tip so that it could be concluded that the tip broke upon deployment as reported.Further damage or deformation could not be found so that a further detailed fracture analysis could not be made.An indication for a process related issue could not be found.Based on the information available a definite root cause for the reported event could not be determined.The device is labeled for single use.
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