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A visual inspection was performed on the returned device.The reported difficult to remove could not be tested due to the device condition.The reported stretched coils and material separation were confirmed.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 of the reported lot did not indicate a lot specific quality issue.The investigation determined the reported difficulties appear to be related to the operational context of the procedure.In this case, the procedure was using two guide wires, the reported wire was used in the left circumflex artery (lcx) and the other wire was used in the obtuse marginal (om).It was noted that the reported guide wire, used in the lcx, interacted with an implanted stent during removal, resulting in the reported difficulty during removal.Additionally, it was noted that the reported wire interacted with the wire used in the om during removal.It is likely that the reported guide wire¿s interactions resulted in the reported stretched coils and subsequent material separation.There is no indication of a product quality issue with respect to manufacture, design, or labeling.
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