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A visual inspection was performed on the returned stent.The reported dislodgement was confirmed, the stent was returned off of the delivery system.Production record and corrective and preventative actions (capa) reviews were performed and revealed no indication of a product quality issue.Additionally, a query of the complaint handling database for the reported lot revealed there is no indication of a lot specific issue.Based on the reported information and the observations from the returned device analysis, a definitive cause for the reported issue could not be determined; however, factors that may contribute to a stent dislodgement include, but are not limited to, interaction with accessory devices, inadvertent mishandling during preparation, deployment technique, crimping, and/or anatomical characteristics.Based on the information provided and because the delivery system was not returned for analysis, it is unknown what may have caused the reported stent dislodgement.Additionally, the reported treatment appears to be related to operational context of the procedure.Based on the results of the complaint investigation there is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.
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