A visual inspection was performed on the returned device.The reported device dislodged or dislocated was confirmed.A review of the production records was performed and revealed no related complaint assessment or manufacturing nonconformities.Additionally, a query of the complaint handling database for the reported lot revealed no indication of a lot specific issue.The investigation determined the reported device dislodged or dislocated appears to be related to the operational context of the procedure.It was reported that the stent was noted to be shifted distally during preparation.Factors that may contribute to a stent dislodgement prior to use include, but are not limited to, improper or inadequate crimping at the time of manufacture, forced sheath removal, handling of the stent during preparation, or inadvertent mishandling during unpackaging.In this case, analysis of the returned device noted the proximal crimp mark was correctly positioned, indicating the stent was initially crimped correctly.It is likely that inadvertent mishandling during unpackaging or preparation may have resulted in the reported stent dislodgement; however, this cannot be confirmed.There is no indication of a product quality issue with respect to manufacture, design, or labeling.
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