H4: device manufactured on july 28, 2021- july 30, 2021.H10: the device was received for evaluation.A visual inspection on the returned unit via the naked eye noted the bladder had been ruptured in a footing position which suggested the bladder ruptured at the end of patient infusion.The ruptured bladder was examined for signs of abnormality that could have caused the issue.There were no signs of abnormality found on the bladder that may have led to the rupture, and therefore root cause could not be determined.Possible root cause for the bladder rupture may be due to inherent variation in the material, as bladders are manufactured with rubber.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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