A product investigation was completed on the returned cycler, to verify reported symptoms.There were no visual indications of a fluid leak in the device.Simulated treatment was done and m01-21-stalled at a state for a long time (warning) alarm occurred during fill 1.Balloon valve 6 was failing intermittently.There was debris near the valve's opening that prevented the valve from closing completely thus causing the leak.Subsequently, system air leak testing allowed the debris to pass thus correcting the m01.21 alarm.No other alarm or failure occurred.The cycler passed all functional tests.The reported symptom lz58-m01 system error alarm/warning could not be duplicated or verified.A review of the device history records was performed.There were no unexpected variances, or adjustments, or comments noted in the device documentation.A review was performed by the post market clinical dept.Per the pharmacovigilance physician there is no contact between the dialysis solution and the cycler which would cause an infection.There was no report of a fluid leak.Peritonitis in a pt undergoing peritoneal dialysis is most often due to contamination with pathogenic skin bacteria, or touch contamination.Patients undergoing peritoneal dialysis have the option of doing treatments manually.This is a retrospective mdr being submitted by fresenius medical care as a remediation action committed to fda regarding all potential adverse events received between (b)(6) 2011 to (b)(6) 2013.
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