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(b)(4).The customer returned one 4-l cvc catheter for evaluation.Signs of use in the form of biological material were noted in the extension lines.Visual inspection of the catheter revealed a cut in the medial 2 (blue luer hub) line.The cut appeared smooth , consistent with contact with sharps such as a scalpel or needle.The total length of the catheter measured 225 mm, which is within specifications of 207-227 mm per catheter graphic.The cut in the medial 2 extension line measured 77 mm from the luer hub.The outer diameter of the medial 2 extension line measured 2.171 mm, which is between 2.13-2.21 mm per medial 2 extrusion graphic.The inner diameter of the medial 2 extension line measured 1.4224 mm which is between 1.42-1.50 mm per medial 2 extrusion graphic.The catheter was functionally tested per the instructions for use (ifu).The ifu provided with this kit states, "flush each lumen with sterile normal saline for injection to establish patency and prime lumen(s)." each lumen was flushed with a lab syringe filled with water.When the medial 2 line was flushed water leaked from the cut in the extension line.The distal, medial 1, and proximal lines flushed as expected.A manual tug test confirmed all four luer hubs were secure.A device history record review was performed, and no relevant findings were identified.The ifu provided with this kit warns the user, "do not secure, staple and/or suture directly to outside diameter of catheter body or extension lines to reduce risk of cutting or damaging the catheter or impeding catheter flow.Secure only at indicated stabilization locations." the complaint of an extension line leaking was confirmed by a complaint investigation of the returned sample.Functional testing revealed that the medial 2 extension line had a cut in it.A device history record review was performed, and no relevant findings were identified.Based on the customer description and the nature of the damage observed to the extension line, unintentional use error - contact with sharps likely caused or contributed to this event.Teleflex will continue to monitor and trend on complaints of this nature.
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