(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.(b)(4).The device is expected to be returned for evaluation.It has not yet been received.A follow up report will be submitted with all relevant information.
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It was reported that the patient presented with an aneurysm in the left circumflex coronary artery.During an attempt to treat the aneurysm with a 2.8x26 rx graftmaster covered stent, the stent reportedly migrated to the left main coronary artery and was subsequently removed from the left main.The stent was not implanted and the aneurysm was not sealed.Reportedly, while the patient did not die, use of the graftmaster caused or contributed to complications or adverse events.No additional information was provided.
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(b)(4).Subsequent to filing the initial mdr, additional information was received stating the device would not be returned.The device was not returned for analysis.A review of the lot history record revealed no manufacturing nonconformities that would have contributed to this complaint.Additionally, a review of the complaint history identified no similar incidents from this lot.The investigation was unable to determine a conclusive cause for the reported stent migration and the treatment appears to be related to the circumstances of the procedure.Additionally, it was reported that the procedure was to treat a left circumflex coronary artery.It should be noted that the graftmaster rapid exchange (rx), coronary stent graft system, domestic instructions for use, (ifu) states: the graftmaster rx is indicated for use in the treatment of free perforations, defined as free contrast extravasation into the pericardium, in native coronary vessels or saphenous vein bypass grafts greater than or equal to 2.75 mm in diameter.Based on the information reviewed, there is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.
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