The device was returned for analysis.The reported loose/intermittent connection and the reported leak were unable to be confirmed.Device history record (dhr) and corrective and preventive actions (capa) reviews were performed and revealed no indication of a product quality issue.Additionally, a query of the complaint handling database for the reported lot revealed there is no indication of a lot level product quality issue.As the reported difficulties were unable to be confirmed during return analysis, it is possible that the devices were not properly aligned and/or not fully connected/tightened while attempting to connect and/or the port of the device being connected was compromised resulting in the reported loose/intermittent connection and ultimately resulting in the reported leak; however this cannot be confirmed.The investigation was unable to determine a conclusive cause for the reported loose/intermittent connection and the reported leak.Based on the reported information and results of the complaint investigation there is no indication of a product quality issue with respect to the design, manufacture, or labeling of the device.B5 - describe event or problem: updated.H6: health effect ¿ impact code 2199 removed, 2645 added.
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