Integra has completed their internal investigation on 06/10/2015.Method: eval of actual device; review of device history records; review of complaint history.Results: the clear pvc tubing most proximal to the csf access port was detached from the stopcock.Upon close examination, traces of adhesive were noticed in one section of the clear pvc tubing and stopcock.No other traces of adhesive were noticed in the remaining sections of the tubing or stopcock.Device history record (dhr) of the finish good lot #1141301 for complaint pr# (b)(4) was reviewed in order to detect any anomalies that could have occurred during the inspection and manufacturing process of the product which could have contributed and/or be related with the reported condition (pt line tubing detachment) being investigated.The manufacturing date of fg lot # 1141301 is 2014-04 and the expiration date is 2016-03.The fg lot #1141301 was released for distribution on 06/19/2014 in compliance with the product specifications and integra requirements.No anomaly or discrepancy was reported during the manufacture of the fg lot that could be related to the reported condition.A review of complaint system since 2013 to present, a total of (b)(4) complaints (including these) related to the reported condition (pt line tubing detachments) for limitorr family catalogs, (b)(4).Based on the info provided by the customer regarding pt line tubing detachments, a summary of the product's instructions for use (ifu) is provided below for further eval of the complaint."precautions: all luer connections must be checked during priming of the system and prior to connecting to the pt.Ensure that all connections are secure and leak free." conclusion: based on the description of the event reported and product failure analysis, the reported condition (pt line tubing detachment) was confirmed.Upon eval of the unit, traces of adhesive were noticed in one section of the clear pvc tubing and stopcock.No other traces of adhesive were noticed in the remaining sections of the tubing or stopcock.Therefore, based on failure analysis of returned unit, a potential root cause may be attributable to the bonding method used for the assembly of the clear pvc tubing and stopcock.
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