A user facility nurse reported that the fresenius 2008k hemodialysis (hd) machine did not remove enough weight during treatment.It was set to remove 4500 ml and the ultrafiltration (uf) removed showed 4500 ml.When they weighed the patient, there was only about 200 ml weight loss.Additional information was requested, however to date not provided.
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Plant investigation: no parts were returned to the manufacturer for physical evaluation.Additionally, no on-site evaluation was performed by a fresenius regional equipment specialist (res).A records review was performed on the reported serial number.An investigation of the device manufacturing records was conducted by the manufacturer.There were no non-conformances, or any associated rework identified during the manufacturing process which could be related to the reported event.In addition, the device history record (dhr) review confirmed the results of the in-progress and final quality control (qc) testing met all requirements.The investigation into the cause of the reported problem was not able to be confirmed.A definitive conclusion regarding the complaint incident cannot be reached without a physical examination of the complaint device.
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