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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 provided, a definitive cause for the reported issue could not be determined.Factors that may contribute to activation failure including expansion failures (inflation issues/failure to deploy) include, but are not limited to, inflation technique, contrast concentration, loose connection with the indeflator, contamination in the inflation lumen or damage to the guide wire and/or inflation lumen.It should be noted that there was no report of any damage to the stent delivery system (sds) during inspection or preparation of the device prior to use, which suggests that a product quality issue did not contribute to the reported complaint.Based on the limited information provided and without the device to examine, a definitive cause for the reported activation failure including expansion failures cannot be determined.
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