Manufacturing review: the lot number was provided and the lot device history records have been reviewed.The lot met all release criteria.There was nothing found to indicate there was a manufacturing related cause for this event.This is the only complaint that has been reported for this corporate lot number to date.Investigation summary: based on the sample evaluation, a tip invagination could be confirmed.The distal tip was invaginated so that the inner catheter protruded from the tip.The deployment system was found to be functioning and during sample testing, the stent graft could be deployed without difficulty.A partially deployed stent graft could not be confirmed.As a result of the investigation performed, the complaint is confirmed for tip invagination.Based on the available information and the evaluation of the returned sample, a definite root cause for the reported failure could not be determined.Labeling review: in reviewing the labeling supplied with this product it was found that the instructions for use (ifu) sufficiently address the potential risks.Regarding potential damages, the ifu states: "examine the packaging and endovascular system to determine if there is any damage, defects or if the sterile barrier is compromised.Do not use the device if any of these conditions are observed." regarding preparation of the device the ifu states: "prior to loading the endovascular system over a guide wire, both ports must be flushed with sterile saline." furthermore, the ifu states regarding the use of accessories: "materials required for the fluency® plus endovascular stent graft procedure: 0.035" (0.889 mm) guidewire introducer sheath with appropriate inner diameter." (eval code & desc - conclusion1).
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