(b)(4).The incident information was reviewed, however, the product was not returned to abbott vascular for analysis.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 similar incidents, and/or complaints reported from this lot.It should be noted that the xience alpine everolimus eluting coronary stent system instructions for use (ifu) instructs to remove the sds from the protective tubing and remove the protective sheath prior to preparing the sds for use.In this case the reported incorrect preparation sequence of the sds did not cause, or contribute to the reported stent dislodgement issue.The investigation determined the reported stent dislodgement appears to be related to a combination of operational circumstances of the procedure and user technique.Based on the reported information, it is likely that the technique, or grasp of the user to remove the protective sheath, was too rough, or tight resulting in the stent dislodgement in the protective sheath.There is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.
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It was reported that a 4.0x18mm xience alpine stent delivery system (sds) was unpacked, and prepared before removing the sheath/stylet.The protective sheath was removed without resistance, however, the stent dislodged off the balloon, and was located in the protective sheath.The sds was not used, and there was no patient involvement.The procedure was successfully completed with a new unspecified xience alpine stent.There was no clinically significant delay in the procedure.No additional information was provided.
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