A peritoneal dialysis (pd) nurse reported a patient experienced drain issues during treatment.The patient remained asymptomatic: drain o: 126ml; fill 1: 1196ml, drain 1: 894ml; fill 2: 1196ml, drain 2: 1033ml; fill 3: 1196ml, drain 3: 1880ml; fill 4: 1196ml, drain 4: 881 ml; fill 5: 1196ml, drain 5: 2270ml.Last fill volume: 0ml.The reported drain volume of 2270 ml was 189 percent over the expected drain volume which resulted in a reportable device malfunction.The patient did not require medical intervention or treatment as a result of the overfill.
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External visual inspection: no signs of any physical damage.The heater tray/scale was not obstructed.Two simulated treatments were performed using the received cycler, and there were no alarms that occurred during testing.The valve actuation test passed.The system air leak test passed.The patient sensor calibration check passed.The load cell value and load cell verification measurements were out-of-specification.This was repaired by recalibrating the load cell.After recalibrating the load cell, the cycler passed the load cell verification.The internal, visual inspection of the cycler unit found no discrepancies.Per the documented product investigation, there was no indication that the fresenius product caused, contributed to or was a factor in the reported event.
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