A communication was received from the country complaint administrator (cca) which stated the customer does not remember the event.The cca did their best to provide additional details based on what they knew.No alarm occurred - the customer simply noticed there was an external leak.The cca assumed the treatment was being performed on a fresenius multifiltratepro machine with an ultraflux av 600s dialyzer.The cca said maybe there was a little gap on the connector between the main tube and prefilter pressure dome.It was confirmed that the treatment was temporarily interrupted to remove the cassette from the machine.It was unknown if the patient was re-setup with new supplies, or if they completed their treatment.The cca stated there was no patient injury or harm, and the patient did not require medical intervention.
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Additional information: b5, d10 plant investigation: the complaint sample was not available for evaluation.An examination was performed on the retained samples.The samples were checked for component defects, assembly failures, and conformity with product specifications.The samples were also subjected to leakage testing under air/liquid pressure to inspect for leaks and other assembly failures.No failures were detected during examination of the retained samples.The described situation is adequately addressed in the instructions for use (ifu) and/or on the label.A batch record review was performed, and batch production records were found to be conforming.No non-conformities were observed during the manufacturing process.The exact reason for the defect cannot be determined without an evaluation of the actual sample.Possible reasons for the defect could be related to a component defect on the pressure dome, improper connection of the pressure dome to machine, or the user handling process.The production department has been informed of this defect.
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