(b)(4).Additional information: a batch review was conducted and there were no deviations found related to this reported condition during the manufacture of this lot.The device was received for evaluation.Visual inspection revealed a kink at the tubing under the vented blood chamber; the walls of the tubing were found to be stuck together due to an excess of solvent.A flow test was performed, and solution did not flow through the kink.The reported condition was verified.The cause of the condition was determined to be a solvent application failure during the manufacturing process that led to excess solvent causing a blockage of flow.A capa has been opened to address this issue.Should additional relevant information become available, a supplemental report will be submitted.
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