This report has been identified as b.Braun medical internal report number (b)(4).One (1) used catheter and one (1) used needle were returned for evaluation.Visual examination of the returned sample showed the distal end of catheter to be broken off.The coil inside the catheter appears stretched through the needle, which indicates that the catheter was pulled.The cut of the jacket matches the geometry of the cannula's inside bevel.The visual inspection concluded that the reported defect could not have happened during the manufacturing process and could be attributed to the application.Per the instructions for use (ifu), "never pull the catheter back through the epidural needle due to the possibility of shearing or kinking the catheter.When removing the catheter, excessive force should never be applied.If the catheter becomes difficult to withdraw, consult standard textbooks for specific techniques." review of the discrepancy management system database performed for the reported lot number did not reveal any abnormalities or non-conformances of this nature.We will maintain this report for future reference and continue to monitor other reports for similar occurrences.
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