The device was not returned for analysis.An exception review was performed and revealed no indication of a product quality issue.Additionally, an electronic lot history record (lhr) review and review of the complaint handling database could not be conducted because the part and lot number was not provided.The investigation determined the reported difficulties appear to be related to circumstances of the procedure as it is likely that the reported malposition of the stent to the vessel wall was due to a high concentration paclitaxel balloon had been used before the stent placement.As reported, a stent graft was placed as treatment.Based on the reported information and 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.B3: date of event estimated as 1/1/2021.D4: the udi is not known as the part and lot number were not provided.
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