Manufacturer's investigation conclusion: the reported events of the system controller not communicating with a monitor and the controller¿s serial number labeling being illegible were not confirmed.The system controller (serial number (b)(6)) was not returned for analysis, and no log files were associated with the reported event.The root causes of the reported events were unable to be conclusively determined through this analysis.The device history records for the system controller, serial number (b)(6), were reviewed and showed the device was manufactured in accordance with manufacturing and qa specifications.The heartmate 3 patient handbook instructs users to regularly inspect their equipment, including their system controllers, and to avoid using equipment that appears damaged.Users are encouraged to replace any equipment that appears damaged.The heartmate 3 patient handbook section titled "emergency contact list") cautions users to call their hospital contacts if they think, for any reason, any portion of their equipment is not functioning as usual, is broken, or they are uncomfortable with the operation of the equipment.No further information was provided.The manufacturer is closing the file on this event.
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