It was reported: no audible alarm although the received value of spo2 was under low level and its color changed in red.Medical engineer confirmed both cases.The audible alarm sometimes sounded and no audible alarm.The sensor was lncs inf(pn:1861).Alarm setting: spo2 max:off, low level :95%, pr max:170,low level:70, alarm delay:0, alarm mute: 1 minutes.Patient information: male, (b)(6), spinal muscular atrophy(sma) with artificial respiration.Complaint history: on (b)(6): the patient started staying in the hospital with our product radical-7()sn:(b)(4)).On (b)(6): the patient's mother told the hospital staff that the alarm sound was delayed in radical-7.The alarm was set in 0 sec at that time.In line with this, the m.E.Confirmed the issue of no audible alarm and audible alarm properly with the sensor worn the patient.On (b)(6): the same issue happened and so the hospital staff replaced another radical-7.On (b)(6): the patient mother told the hospital staff that the same issue happened.In line with this, the hospital staff replaced rad-8.On (b)(6): there was no problem with this rad-8.However, the patient's mother said that the default setting was so complicated.And then the hospital staff exchanged rad-8 from other device (nellcore).On (b)(6): our sales rep visited the hospital to confirm the issue, but the issue was not duplicated.No consequences or impact to patient.
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