The biomedical engineer reported that the multiple patient receiver (org) had signal loss on three transmitters in three rooms in cpcu 2nd floor.Nurses reported signal loss at 12:49 am est on 04/17/2021.Patients were moved to different telemetry boxes.No patient harm or injury occurred.Customer will return device to nihon kohden.Nihon kohden continues to investigate the reported event.Nihon kohden will submit a supplemental report in accordance with 21 cfr section 803.56 when additional information becomes available.Concomitant medical device: the following device(s) was used in conjunction with the org: transmitter, ecg/resp/spo2 uhf: model #: zm-530pa, serial #: (b)(4), device manufacturer data: 03/09/2017, unique identifier (udi) #: (b)(4), manufacturer reference file (b)(4).
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