It was reported that the procedure was to treat an unknown coronary artery.During the first inflation of the balloon of the 3.00x15 mm xience sierra stent, it was not possible to reach nominal pressure, and the balloon was leaking when attempting to deploy the stent.The stent was partially deployed.The sds was removed and another balloon was used to completely deploy the stent.There were no adverse patient effects and there was no reported clinically significant delay in the procedure.No additional information was provided.
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Exemption number e2019001-permits numbering sequence to begin with 10000, to avoid duplication of report numbers due to process transition.There may be gaps in numbering for reports submitted during the transition period.The device was returned for analysis.The reported material rupture was confirmed.The reported difficulty to activate (deploy) was confirmed through observation.A review of the lot history record identified no manufacturing nonconformities issued to the reported lot that would have contributed to this event.Additionally, a review of the complaint history identified no other incidents from this lot.The investigation determined the reported difficulties and treatment appear to be related to circumstances of the procedure as it is likely the device interacted with the anatomy and/or guiding catheter during advancement to the lesion causing the reported material rupture (pinhole) and subsequent difficulty to deploy.It should be noted, there was no damage or leak noted to the stent delivery system (sds) during the inspection prior to use or during preparation of the device, which suggests a product quality issue did not contribute to the reported difficulties.There is no indication of a product quality issue with respect to manufacture, design or labeling.
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