The lot history records have been reviewed with special attention to the manufacturing and inspection of this product and the product was found to have met all specifications prior to shipment.There is no indication for a manufacturing-related failure.During the evaluation of the returned device, a tip damage could not be identified and the stent graft could be successfully released without difficulty.Therefore, the reported event of a soft tip including a split could not be re-produced.Potential factors that could have led or contributed to the reported event have been considered.Other investigations of similar complaints have been reviewed.The reported event may be related to rough handling of the device as this may lead to deformation and subsequent insertion difficulties.Reportedly, no introducer sheath was used during the procedure which may be another contributing factor to the reported insertion difficulties.On the basis of the information available, a definite root cause for the reported event could not be determined.The ifu recommends the use of an appropriate sized introducer sheath.Furthermore, the ifu states: "examine the packaging and endovascular system to determine if there is any damage, defect or if the sterile barrier is compromised.Do not use the device if any of these conditions are observed.".
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