(b)(4).The customer returned one connector assembly for evaluation.Visual examination revealed both extension lines contained small holes adjacent to the juncture hub.The outer diameters of the two extension lines measured to be 0.189" and 0.190" which is within specifications of 0.185-0.191" per product drawing.The inner diameters of the two extension lines measured to be 0.120" and 0.125" which are within specifications of 0.120-0.126" per product drawing.This indicates that the wall thicknesses were within specifications.A lab inventory syringe was used to flush both extension lines.Leaks were detected adjacent to the juncture hub when each was flushed.A manual tug test confirmed the extension lines were fully secured within the juncture hub.A device history record review was performed with no relevant findings.The ifu provided with this kit warns the user, "do not apply excessive force in placing or removing catheter or guidewire.Excessive force can cause component damage or breakage.If damage is suspected or withdrawal cannot be easily accomplished, radiographic visualization should be obtained and further consultation requested." the customer report of a leaking extension line/juncture hub was confirmed by complaint investigation.The extension lines contained small holes adjacent to the juncture hub.A device history record review was performed with no relevant findings and the sample passed all relevant dimensional inspection.Based on the sample received, manufacturing (assembly) caused or contributed to this event.A non-conformance request has been initiated to further investigate this issue.
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