Estimated date of event the udi is unknown because the part number and lot number were not provided.The device was not returned for evaluation.The lot history record (lhr) for this product could not be reviewed and a similar complaint query could not be performed because the product was not returned for evaluation and the part and lot numbers were not reported.Based on the information provided, the failure to advance was due to interaction with the anatomy.In addition, it is likely that after the failed attempt to advance, the stent became loosened on the balloon due to interaction with the anatomy, resulting in the dislodgement during removal when the stent interacted with the introducer sheath.The additional treatment to embed the dislodged stent with an additional stent was due to case circumstances.There is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.
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