(b)(4).The device was received for evaluation.Visual inspection did not identify any abnormalities that could have contributed to the reported condition.Functional testing including pressure testing and clear passage under water testing was performed.During functional testing, a leak was observed between the tubing and the drip chamber.Further visual inspection revealed a lack of solvent on the tubing; the solvent was not applied uniformly on the circumference of the tube.The insertion of the tubing into the drip chamber was measured and was found to be within specification.The dimensions of the tubing were measured and were found to be within specification.The reported condition was verified.The potential cause of the condition was incorrect manual assembly of the tubing to the drip chamber during solvent application.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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