Internal file number - (b)(4): during processing of this complaint, attempts were made to obtain complete event, patient and device information.(b)(4).Evaluation summary: the device was returned for analysis.The reported device misassembled during manufacturing or shipping/unstable stent was able to be confirmed.As there were crimp marks on the balloon between the markers, suggesting the stent was originally positioned correctly and securely at the time of manufacture, the investigation determined the reported difficulties appear to be related to circumstances of the procedure as it is likely that inadvertent mishandling during sheath removal and/or during preparation of use resulted in the reported mislocated stent.It should be noted that the soaking of the sds in saline is not part of the preparation section or any part of the instructions for use.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.There is no indication of a product quality issue with respect to manufacture, design or labeling.
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It was reported that during device preparation for a 3.5 x 38 mm xience alpine drug eluting stent (des), the stent was observed to be misaligned on the balloon; however, no dislodgement or looseness of the stent was observed.The device was not used in the patient.It was also reported that the alpine was soaked in saline during preparation.A replacement 3.5 x 38 mm xience alpine was used to complete the procedure.There were no adverse patient effects or clinically significant delay in the procedure reported.No additional information was provided.
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