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The device was not returned for analysis.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 information received, the investigation determined that the reported difficulties appear to be related to procedural circumstances.In this case, it is likely the interaction with the heavily calcified and 98% stenosed lesion and previously implanted stent contributed to the reported failure to advance / difficulty to remove and subsequent stent dislodgement.In addition, the stent was crushed into the vessel wall.There was no damage noted to the device during the inspection prior to use which suggests a product quality issue with respect to manufacture, design or labeling did not contribute to the reported difficulties.
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