Manufacturer's investigation conclusion: incidental finding: damaged top housing.The reported event of the centrimag console screen remaining blank when powering on the system was confirmed via analysis of the returned unit.The returned centrimag console (serial number: (b)(6)) was evaluated at the european distribution center (edc), alongside known working test centrimag equipment.Upon powering on the console, it was observed that no information would display on the screen.The unit was disassembled to further inspect the internal components, revealing that the screen on the screen printed circuit board (pcb) was cracked.Damage to this component would result in the reported event.The damaged screen pcb was then replaced with a new screen pcb.After replacing the damaged screen pcb, a full functional checkout was performed and the unit passed all steps of the test without any issues.The serviced and repaired unit was returned to the customer site after passing all tests per procedure.A log file was downloaded from the returned centrimag console during testing.The data in the log file did not indicate any issues with the centrimag console.No atypical events were observed within the timeframe of the reported event date of 22jun2023.The reported event was determined to be due damage to the centrimag console¿s screen; however, the root cause of the damage could not be conclusively determined through this analysis.The device history records were reviewed and the records revealed that the centrimag console, serial number (b)(6), was manufactured in accordance with manufacturing and qa specifications.The 2nd generation centrimag system operating manual section 9 ¿ ¿emergencies/troubleshooting¿ provides instructions for operation when there is a need to exchange the main console or motor with a backup console or motor.The recommended practice whenever there is a console or motor malfunction is to replace the console and motor as a set.Remove the blood pump from the malfunctioning motor and console and place the blood pump in the back-up motor and console.Switch all components (console, motor, flow probe and cables) simultaneously to continue patient support, and then perform troubleshooting on the non-functioning system, when it is no longer being used for patient support.The 2nd generation centrimag system operating manual section 8.3 ¿ ¿recommended preventive maintenance¿ instructs users to regularly inspect the console for signs of damage and to return the console back to thoratec for servicing if any damage is observed.No further information was provided.The manufacturer is closing the file on this event.
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