Product event summary: a pump with unknown serial number was not returned for evaluation.Review of the controller log files could not be conducted since log files were not available.As a result, the reported occlusion event could not be confirmed.Based on the limited information available, the device may have caused or contributed to the reported event.Based on the risk documentation and available information, the most likely root cause of the reported ccclusion event can be attributed to inappropriate positioning of the pump.This event was reported in the q3 2021 intermacs data registry that tracks clinical outcomes of patients on ventricular assist device (vad) support.The data registry does not contain device identifying information or event date and therefore cannot be correlated to any previously received report of the event.Based on the provided data, device analysis will not be possible and no further information will likely be made available concerning the event.If information is provided in the future, a supplemental report will be issued.
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