Details of complaint: the biomedical engineer (bsm) reported that 5 telemetry transmitters went into comm loss at the central nurses station (cns).The customer found that the multiple patient receiver (org) had failed, causing the communication loss.No patients were being monitored at the time.Investigation summary: the org was sent in for evaluation and repair.During the evaluation of the returned device nihon kohden repair center (nk rc) was not able to duplicate the reported issue of communication loss.Instead, an error led was found lit and the org was unable to be accessed during the evaluation.The cpu board was recommended to be replaced.It is likely that the communication loss was related to the failure of the cpu board.Hardware failure could come as a result of physical damage, fluid damage, heat damage, or electrical damage.Physical damage could occur due to impacts with objects and other surfaces.Fluid intrusion would result in electrical damage to internal components as well as possible corrosion.Heat damage could occur due to improper maintenance or placement.Electrical damage could occur during a power outage or power surge.The device was installed in march 2017 with no previous history of servicing or repairs.The root cause of cpu board failure is likely related to wear and tear.Additional device information: d10: concomitant medical device: the following devices were used in conjunction with the org, but model and serial number information is listed as no information (ni), as attempts to obtain information were made but information was not provided.Attempt #1 11/28/2023 emailed customer via microsoft outlook for additional device information.The customer responded with complaint details, but did not provide the requested device information.Central nurse's station: model: ni sn: ni zm telemetry transmitters: model: ni sn: ni.
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