The unique device identifier (udi) is unknown because the part number and lot number were not provided.The device was not returned for analysis.A review of the lot history record and similar incident review of the reported lot could not be conducted because the part and lot number was not provided.It is possible that the connections and/or seal was not entirely closed/fully tightened; thus, resulting in the reported leak; however, as the device was not returned for analysis this cannot be confirmed.The investigation determined a conclusive cause for the reported difficulties cannot be determined.There is no indication of a product quality issue with respect to manufacture, design or labeling.
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