(b)(6).The device was received for evaluation.Visual inspection revealed that the tubing was kinked just under the chamber.Gravity testing was also performed, and solution was found to not flow through the tube under the chamber due to excess solvent causing blockage at the connection of the chamber and the tubing.The reported no flow condition was verified.The cause of the excess solvent was determined to be an operator error during manufacturing.A batch review was conducted and there were no deviations found related to this reported condition during the manufacture of this lot.Should additional relevant information become available, a supplemental report will be submitted.
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