(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.The device was not returned for analysis.The investigation determined the reported difficulties appear to be related to calcification in the anatomy.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 reported from this lot.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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It was reported that the procedure was reported to treat a 90% stenosed, mildly tortuous, and mildly calcified lesion in the right coronary artery.A 3.5x12mm xience xpedition stent delivery system (sds) failed to cross due to anatomy.Additionally, resistance was noted during removal of the device due to the vessel.The procedure was successfully completed with a 3.0x12mm xience xpedition sds.There was no clinically significant delay in the procedure and no adverse patient effects.No additional information was provided.
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