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The following were reviewed as part of this investigation: patient severity, frequency analysis, applicable previous investigation(s), sample (if available), applicable fmea documents, labeling, and applicable manufacture records.Based on a review of this information, the following was concluded: the complaint of a bent stylet is confirmed but the exact cause is unknown.One photo sample of a 3cg stylet was returned for investigation.The stylet was observed to have a curve at the proximal section of the polyimide tubing and a kink at the end of the curve.Based on the photo sample provided, possible contributing factors include advancement and retraction against resistance.Since a bend and a kink were observed on the stylet, the complaint is confirmed but the exact cause remains unknown.A lot history review (lhr) of recs0928 showed no other similar product complaint(s) from this lot number.
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