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Issue identified during product analysis.H3 device evaluation summary: medtronic conducted an investigation based on all information received.It was reported that the extended self test (est) performed on the 980 ventilator did not pass, displaying the message "inspiratory autozero solenoid not operational." the device was available for evaluation.The service personnel (sp) inspected the ventilator and confirmed the reported issue.Sp replaced the inspiratory flow module (ifm) printed circuit board assembly (pcba).The ventilator passed all calibrations and tests per the manufacturer's specifications at the time of service.One ifm pcba was returned for analysis.A visual inspection was carried out on the returned ifm pcba and no anomalies were observed.The part was attached to the test ventilator and powered up but failed the extended self test (est) circuit pressure test with the message ¿inspiratory autozero solenoid not operational¿.After a thorough investigation, a faulty autozero solenoid (so1) on the ifm pcba was identified.Investigation determined if so1 were to fail while in use on a patient, the ventilator response would be to enter backup ventilation (buv).The cause of the event was determined to be a faulty autozero solenoid (so1).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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