(b)(4).During processing of this complaint, attempts were made to obtain complete event, patient and device information.(b)(4).The device was not returned for analysis.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 similar 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.The investigation was unable to determine a conclusive cause for the reported issue.
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It was reported the procedure was to treat an eccentric, de novo lesion with moderate tortuosity, moderate calcification and 90% stenosis in the distal circumflex coronary artery.When a 3.5 x 28 mm xience alpine stent delivery system (sds) was to be loaded over the guide wire, it was noted the stent was not located on the marker.The distal edge of the stent was outside of the distal marker; therefore, the device was not used.There was no patient involvement.A 2.5 x 16 mm non-abbott sds was used to complete the procedure successfully.There was no adverse patient effect and no clinically significant delay in the procedure.No additional information was provided.
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