A visual inspection was performed on the returned device.The reported unraveled coils (material separation) were unable to be confirmed; however, analysis noted misaligned coils on the distal tip.It is possible that the misaligned coils were reported as coil unraveling.A review of the corrective and preventive actions (capa) database was performed and revealed no related complaint assessment capas.The electronic lot history record (elhr) review revealed no associated manufacturing nonconformities issued to the reported lot.Additionally, a query of the complaint handling database for the reported lot revealed no indication of a lot specific issue.The investigation was unable to determine a conclusive cause for the reported material separation.In this case, analysis of the returned guide wire was unable to confirm the reported unraveled coils (material separation); however, analysis noted misaligned coils on the distal tip.It is possible that the misaligned coils were reported as coil unraveling.Misaligned coils suggest the guide wire may have interacted with the anatomy or an accessory device during use; however, this cannot be confirmed.There is no indication of a product quality issue with respect to manufacture, design, or labeling.
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