The device was returned for analysis.The reported mechanical jam was able to be confirmed.The reported activation failure was unable to be replicated in a testing environment due to the condition of the returned device (stent not returned).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 did not indicate a lot specific quality issue.The reported patient effects of ischemia and embolism is listed in the absolute pro ll peripheral self-expanding stent system instructions for use (ifu) as a possible complication.Reportedly, a.018 guide wire was used.It should be noted the absolute pro ll peripheral self-expanding stent system ifu states: one 0.035¿ (0.89 mm) diameter guide wire.The deviation of the ifu appears to have caused/contributed to the reported difficulties.In addition, the partially deployed stent was removed from the patient with the delivery system.It should be noted the absolute pro ll peripheral self-expanding stent system ifu states: do not attempt to pull a partially-expanded stent back through the introducer sheath or guiding catheter.The stent is not designed for recapturing.Once the stent has started to deploy, it cannot be recaptured using the stent delivery system.Once the stent has started to deploy, it is not recommended to remove the stent with the delivery system.The deviation of the instructions for use appears to have caused/contributed to the reported patient effects.As there was no damage noted to the device during the inspection prior to use, the investigation determined the reported difficulties appear to be related to deviation of the instructions for use and subsequent circumstances of the procedure as it is likely that use of the undersized 0.018¿ guidewire resulted in the noted device damages (sporadically bunched/wrinkled/pinched sheath, sheath drag marks, multiple jacket stabilizer bends/kinks, bunched jacket stabilizer) compromising the device resulting in preventing the shaft lumens from moving freely; thus resulting in the reported thumbwheel difficulties and the reported difficulty deploying the stent.Further manipulation of the compromised device resulted in the noted torn jacket stabilizer with exposed inner braiding likely contributing to the reported difficulties.The reported difficulties and removing the partially deployed stent with the device possibly caused/contributed to the reported patient effects; however a conclusive cause for the reported patient effect(s), and the relationship to the product, if any, cannot be determined.The treatment(s) appears to be related to the operational context of the procedure as a femoral popliteal bypass was required.There is no indication of a product quality issue with respect to manufacture, design or labeling.
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