One cadd cleo infusion sets was returned for analysis.The returned sample was received for evaluation from p/n 21-7230-24; the sample was received in used condition without its original package.The sample was visually inspected, at a distance of 12" to 24" and normal conditions of illumination and the cannula was found broken.According to the investigation, functional testing was performed by using three samples of p/n 21-7230-24 l/n 3965585 taken from cleo production line and tested and after removing the white cap the site was inserted into the insertion pad.The inserted cannula was twisted around and pulled from the insertion pad, in neither of the worse test cases produced can cause the cannula to brake or detach and no detachment was detected in any of the tested samples and the cannula was not remove from the site.However, the customer reported problem "the cannula did not come out and stayed under the skin" was confirmed.According to the investigation, in order to perform a complete root cause analysis of this failure mode further investigation was implemented.The problem source of the reported problem is manufacturing.
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