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Qn# (b)(4).The customer returned one connector assembly and molded compression fitting for analysis.Signs of use were observed.Visual analysis revealed kinks on both venous and arterial extension lines.Cracks were also observed on the red arterial luer hub.Additionally, stress marks were observed on both luer hubs.Additionally, an aneurysm on the venous extension line was observed.A small hole was observed on this aneurysm.No defects or anomalies were observed on any other portion of the returned device.Luer connections were functionally tested per the product instructions for use (ifu).The ifu provided with this kit instructs the user, "establish and maintain catheter patency.Solution and frequency of flushing a venous access catheter should be established in hospital/institutional policy".A lab inventory syringe filled with water was used to flush each extension line.No leaking was observed from the either luer hub.Leaking was observed from the aneurysm on the venous extension line.A device history record review was performed, and no relevant findings were identified.The ifu provided with this kit states, "examine catheter and extension line before and after each treatment for any signs of damage." additionally, "do not clamp tubing repeatedly in the same place.Doing so may weaken the tubing." the report of a kinked extension line was confirmed through complaint investigation of the returned sample.Visual analysis revealed kinks on both venous and arterial extension lines.Based on the customer report and the sample received, unintentional use error likely caused or contributed to this event.Teleflex will continue to monitor and trend for reports of this nature.
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