The device was returned for analysis.The reported material separation was able to be confirmed.Additionally, the following was noted: multiple hypotube bends, kinked outer member, kinked shaft and kinked bayonet/support skive.A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.Additionally, a review of the complaint history did not indicate a lot specific quality issue.As there was no damage noted to the device during the inspection prior to use, the investigation determined the reported difficulties appear to be related to circumstances of the procedure as it is likely that during advancement inadvertent mishandling resulted in the noted multiple device damages (multiple hypotube bends, kinked outer member, kinked shaft and kinked bayonet/support skive) and ultimately resulted in the reported/noted hypotube material separation.There is no indication of a product quality issue with respect to manufacture, design or labeling.D4: lot number, expiration date.H4: manufacture date.
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