A biomedical technician called technical support to report that an ultrafiltration (uf) problem occurred during the treatment of a hemodialysis patient, and that no fluid removal occurred.Although a uf time and goal was entered, the uf rate and uf removal was set to zero.This was discovered at the end of the treatment and the patient required an additional dialysis treatment the following day for fluid removal.No further medical intervention was required.
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The device was not returned to the manufacturer for physical evaluation and field service was not requested; therefore, the failure mode cannot be confirmed.However, an investigation of the device manufacturing records was conducted by the manufacturer.There were no deviations or non-conformances during the manufacturing process.In addition, the batch record review confirmed the labeling, material, and process controls were within specification.Multiple attempts to obtain the status of the machine, and patient information have been unsuccessful.
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