Authorized distributor in (b)(4) reports a problem.Device has not sent to breas (b)(4) for investigation.The reported event happened after the firmware upgrade of the vivo 50 s/n (b)(4).The device before the upgrade worked properly, update was successful and setting was properly carried, during a ventilation test the technician found that the volume bar and flow are 0, the unit did not report any alarm and in the alarm log there is no evidence of fault.Based on the information received, the potential risk associated with the reported event is classified as serious since lost or unavailable parameters could lead to incorrect treatment.Based on the information provided at this time, including limited patient information, the event is considered reportable per 21 cfr part 803.3.
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