It was reported that the procedure was to treat a lesion in the left common femoral artery and iliac with 100% stenosis, heavy calcification and mild tortuosity.Pre-dilatation was performed with a balloon.The 6.0x59mm omnilink elite stent delivery system (sds) was advanced into a 6french (f) sheath and advanced into the anatomy, however, the device could not cross to the target lesion and was removed from the anatomy.Another pre-dilatation was performed and this time more aggressively and the same omnilink elite sds was advanced but still failed to cross the lesion.Upon removal, the device was being pulled back into the 6f sheath with resistance and was being pulled out of the anatomy with resistance as well when the stent fully detached from the balloon into the external iliac, still unexpanded.A snare was attempted, but the stent could not be removed and started to elongate from the common femoral to the external iliac, as it seemed to be stuck in the calcification.Therefore, they went in with a non-abbott covered stent and embedded the stent where it remained, from the common femoral to the external iliac.The procedure was aborted at that point.There was an approximate 3 hour delay due to the issues.The patient was transferred to the hospital for overnight observation to be sure there was no internal bleeding or other complications due to the issues with the procedure.The patient was discharged the following day with no adverse patient sequela.No additional information was provided.
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The device was not returned 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 incidents.It should be noted that the omnilink elite instructions for use, states: should unusual resistance be felt at any time during either lesion access or removal of the delivery system post-stent implantation, the entire system should be removed as a single unit.It is unknown if the ifu deviation directly caused or contributed to the reported event.The investigation determined the reported difficulties and subsequent device embedded in tissue or plaque in addition to unexpected medical intervention (additional therapy/non-surgical treatment) appear to be related to circumstances of the procedure.There is no indication of a product quality issue with respect to manufacture, design, or labeling.
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