A visual inspection was performed on the returned device which identified the proximal end of the sds was stretched.The reported deformation due to compressive stress was 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 did not indicate a lot specific quality issue.In this case, it is possible that inadvertent mishandling while removing the device from the protective coil (hoop) contributed to the reported deformation due to compressive stress (kinked shaft) and noted stretching/wrinkling of the shaft; however, this cannot be confirmed.The investigation was unable to determine a conclusive cause for the reported deformation due to compressive stress.There is no indication of a product quality issue with respect to manufacture, design or labeling.
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