(b)(4).The customer returned one arrow raulerson syringe (ars) and introducer needle for analysis.Signs of use were observed on the introducer needle.Visual examination of the ars and introducer needle did not reveal any defects or anomalies.The introducer needle was functionally tested with the returned ars per the instructions for use (ifu) provided with this kit which states, "insert introducer needle with attached arrow raulerson syringe (where provided) into vein and aspirate." the introducer needle was attached to the ars.The hub of the introducer needle fit snugly on the nose of the ars syringe.The returned 18 ga introducer needle felt secure on the ars and was able to draw and aspirate water.The connection between the syringe and the needle was compared with another ars syringe and introducer needle from lab inventory.The returned ars syringe was tested with a lab inventory needle, and the returned needle was tested with a lab inventory ars syringe.No differences were detected.The hub of the 18 ga introducer needle was tested with the male luer gauge and was within the specified range.This indicates that the luer conforms to iso 594-1:1986.The ifu provided with this kit states, "insert introducer needle with attached arrow raulerson syringe (where provided) into vein and aspirate." the complaint of an insecure syringe/needle connection was not able to be confirmed by a complaint investigation of the returned sample.The 18 ga introducer needle and ars met all relevant functional testing.The needle hub met iso 594-1 requirements when measured using a luer gage.Based on the product returned, no problem was found on the sample.Teleflex will continue to monitor and trend on complaints of this nature.
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