A lot history review (lhr) of resf0280 showed no other similar product complaint(s) from this lot number.The complaint of a damaged guidewire was confirmed, and the cause appears to be use related.The product returned for eval was a 0.037" guidewire.The sample was returned with the distal end of the outer coil wire be elongated.A complete break was observed on the inner core wire at this region.Microscopic examination of the inner core wire at the break site revealed an uneven break site.This edge of the guidewire also had material necking and a granular fracture surface.The characteristics of the guidewire suggest it underwent a tensile event which appears to have happened during use.
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