It was reported that the procedure was to treat a lesion in the internal carotid artery with moderate calcification and mild tortuosity.The 9.0x29mm omnilink elite 35 stent delivery system was successfully implanted, however, there was resistance with the introducer sheath and the delivery catheter got stuck during removal.The sheath and delivery catheter were removed together as a unit.There was no adverse patient effect and there was no clinically significant delay in the procedure.No additional information was provided.
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A visual inspection was performed on the returned device.The reported stretched (inner member) was confirmed.The reported difficult to remove could not be tested due to the device condition.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 was unable to determine a conclusive cause for the reported difficult to remove; however, the reported stretched inner member appears to be related to the operational context of the procedure.Factors that may contribute to a difficult to remove with the introducer sheath include, but are not limited to, inner diameter of the introducer sheath, outer diameter of the stent delivery system (sds), buildup of procedure contaminants, and/or damage to the introducer sheath or sds.Based on the information provided and the condition of the returned device, it is unknown what may have caused the reported difficult to remove (introducer sheath).Additionally, it is likely that manipulation of the sds during its interaction with the introducer sheath likely resulted in the reported stretched inner member, noted stretched outer member, and noted wrinkled inner/outer member.There is no indication of a product quality issue with respect to manufacture, design, or labeling.
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It was reported that the procedure was to treat a lesion in the internal carotid artery with moderate calcification and mild tortuosity.The 9.0x29mm omnilink elite 35 stent delivery system was successfully implanted, however, there was resistance with the introducer sheath and the delivery catheter got stuck during removal.The sheath and delivery catheter were removed together as a unit.There was no adverse patient effect and there was no clinically significant delay in the procedure.Returned analysis identified the inner member and outer member were stretched and wrinkled proximal to the proximal end of the non-abbott introducer sheath for a length of 1.1cm.The account confirmed there was stretching prior to returning.No additional information was provided.
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