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H3: evaluation of the device has not begun.Medtronic submits this report to comply with fda regulations 21 cfr parts 4 and 803.Medtronic has made reasonable efforts to provide as much relevant information as is available to the company as of the submission date of this report.This report does not constitute an admission or a conclusion by fda, medtronic, or its employees that the device, medtronic, or its employee caused or contributed to the event described in the report.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.Medtronic will submit a supplemental report if additional relevant information becomes known.
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Correction b3 date of event section d4 unique identifier (ud)# updated section d9 was updated due to device evaluation section h6 evaluation codes were updated due to device evaluation method code (annex b) additional code added result code (annex c) remove c20 and add c13 conclusion code (annex d) remove d15 and add d02 component code (annex g) remove g07003 and add g02005 h3 device evaluation summary: medtronic conducted an investigation based on all information received.It was reported that while in use on a patient, this pb980 ventilator was in an inoperative condition.The device was available for evaluation.A review of the ventilator logs show that the unit experienced a loss of ventilation (lov) to the patient at the time of the event.The service personnel (sp) inspected the ventilator, found the unit was inoperative with background diagnostic codes in logs.Based on the codes, sp replaced the mix controller printed circuit board assembly (pcba).The ventilator passed all calibrations and tests per the manufacturer's specifications at the time of service.The potential cause of the lov was isolated in the field to a fault in the mix controller pcba which might have caused a transient issue with the flow data from the proportional solenoid valve (psol) resulting in the ventilator attempting to simultaneously enter both mix and inspiratory buv.As only one buv can be active at a time, by design, this caused the ventilator to enter lov and, by design, the subsequent inoperative condition.The event is included in a data monitoring plan.Medtronic submits this report to comply with fda regulations 21 cfr parts 4 and 803.Medtronic has made reasonable efforts to provide as much relevant information as is available to the company as of the submission date of this report.This report does not constitute an admission or a conclusion by fda, medtronic, or its employees that the device, medtronic, or its employee caused or contributed to the event described in the report.Any required fields that are unpopulated are blank because the information is currently unknown or unavailable.Medtronic will submit a supplemental report if additional relevant information becomes known.
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