(b)(4).Associated mdr#s: 3006425876-2023-00183; 3006425876-2023-00184; 3006425876-2023-00185; 3006425876-2023-00186; 3006425876-2023-00182.The customer returned one arrow raulerson syringe (ars) and introducer needle for analysis.Signs of use were observed on the returned components.Visual analysis of the introducer needle revealed a large lateral crack in the hub.The customer reported that a leak in the ars was observed, and upon failing functional testing, it was determined that the cracked needle hub likely caused or contributed to this defect.It was confirmed that the hub on the returned sample is the new hub design.The needle length measured 68mm, which is within the specifications of 67.49mm - 69.27mm per needle product drawing.The needle cannula outer diameter measured 0.04985" which is within the specifications of 0.0495"-0.0505" per the cannula product drawing.The needle cannula inner diameter measured 0.041", which is within the specifications of 0.041"-0.043" per the cannula product drawing.The needle and syringe were functionally tested per the instructions for use (ifu) provided with this kit, which states "insert introducer needle or catheter/needle with attached syringe or arrow raulerson syringe (where provided) into vein and aspirate." the syringe was not able to draw and aspirate water with the returned introducer needle.Water was observed to leak out of the crack in the needle hub.The crack in the needle hub of the returned needle likely caused or contributed to the observed leak.A device history record review was performed, and no relevant findings were identified.The customer report of a cracked needle hub was confirmed through visual inspection of the returned sample.The returned needle met all relevant dimensional requirements, and a device history record review was performed with no findings relevant to this investigation.The root cause of this complaint is design related.Teleflex has identified that the needle hub material is susceptible to cracking when placed under stress (i.E.Pressed onto a tapered luer fitting, sideloaded as the clinician attempts to locate a vessel, etc.) in the presence of liquid alcohol-based disinfectants.Investigation of this issue is documented under a capa.Corrective actions have not yet been implemented.Teleflex will continue to monitor and trend for reports of this nature.".
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