(b)(4).Manufacturer's investigation conclusion: a direct relationship between the device and the reported multi organ failure, including right heart failure, and patient outcome could not be conclusively determined through this evaluation.(b)(4) was not explanted and was not returned for evaluation.Review of the device history records showed no deviations from manufacturing or qa (quality assurance) specifications.The heartmate 3 lvas if is currently available.Multiple organ failures, including right heart failure, and death are listed as adverse events that may be associated with the use of heartmate 3 left ventricular assist system.The system monitor section describes the pump flow display (4-12 through 4-14) and the hazard alarms (4-18 and 4-26).This ifu states that the low flow hazard alarm will be triggered when pump flow is less than 2.5 liters per minute (lpm) and explains that changes in patient conditions can result in low flow, such as hypertension.The alarms and troubleshooting section describes the actions to take in the event of a low flow alarm (7-7 and 7-11).No further information was provided.The manufacturer is closing the file on this event.
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