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The information provided by bard represents all of the known information at this time.Despite good faith efforts to obtain additional information, the complainant / reporter was unable or unwilling to provide any further patient, product, or procedural details to bard.The following were reviewed as part of this investigation: patient severity, trend 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 knotted guidewire was confirmed; however, the cause was undetermined.The product returned for evaluation was one photograph the ends of two guidewires.The bottom wire was unremarkable.The top guidewire exhibited usage residues.A knot-like formation appeared visible near the end of the top wire.While what appeared to be a knot was visible near the end of the depicted wires, inspection of the submitted photograph was insufficient to identify the root cause.Consequently this complaint is confirmed as ¿cause unknown¿ at this time.A lot history review (lhr) review is not possible, as no manufacturing lot number has been provided by the complainant.
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