The biomedical engineer reported that the multiple patient receiver (org) failed and the transmitters being monitored experienced intermittent signal loss.The intermittent signal loss problem started happening after completing a renovation on that floor and four additional rooms for monitoring were added.This is also the only floor that currently use both uhf and l-band frequencies.No patient harm was reported.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.Additional model information: the following devices were used in conjunction with the org.Central nurse's station, model: cns-6201a, s/n: (b)(4).Transmitter, model: zm-530pa, s/n: (b)(4).Transmitter, model: zm-530pa, s/n: (b)(4).
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Details of complaint: on (b)(6) 2019, customer at st.Francis health system reported the multiple patient receiver (org-9100a sn: (b)(6) was having intermittent signal loss.The issue had been ongoing for the past three to four months.Investigation conclusion: the pattern of reported signal loss at the customer facility may point to issues with the infrastructure, interference, or workflow.These factors are not under nka control and must be managed by the facility to ensure proper environment for the unit to work as expected.As the customer did not wish to return the unit for nka evaluation, information is limited and the root cause/risk assessment cannot be performed.There is insufficient information to suspect a non-conformance of the org.No further issues have been reported against sn: (b)(6).Additional device information: d11 & c2: the following devices were used in conjunction with the org.Central nurse's station: model: cns-6201a.S/n: (b)(6).Transmitter: model: zm-530pa.S/n: (b)(6).Transmitter: model: zm-530pa.S/n: (b)(6).
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