This report has been identified as b.Braun medical inc.Internal report (b)(4).The actual device involved in the reported incident was not returned for eval.However, the facility returned an unused, unopened tray, identifying the reported lot number (0061414467), for evaluation.The catheter from the tray was subjected to occlusion, leakage, and tensile strength testing according to our specification with acceptable results.The epidural needle and catheter from the tray were also subjected to a skiving functional test according to our specification with acceptable results.There was no cutting or skiving of the catheter.In addition, under microscopic observation, no burrs or hooks were observed on the needle.Without the actual used sample, a thorough evaluation could not be performed and no specific conclusions can be drawn.Through additional correspondence with the facility, it was indicated that resistance was felt when attempting to remove the catheter.While no specific conclusion can be drawn, incidents of this nature can occur when a catheter becomes lodged between rigid body structures and is stretched beyond its design capabilities; or if the catheter is with drawn or partially withdrawn through the needle, thereby shearing the catheter.Per the instructions for use (ifu) for the reported product catalog number, "do not withdraw catheter through needle because of the possible danger of shearing".Review of the discrepancy management system database performed for the reported lot number did not reveal any abnormalities or nonconformances of this nature.No adverse quality trends of this nature were identified during the complaint review process for the reported catalog number, catheter material number, or needle material number.There were no other reports of this nature against the reported lot number.All available info has been forwarded to the device mfr of the catheter and needle.If additional pertinent info becomes available, a follow-up report will be filed.
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