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This device is used for treatment not diagnosis.The ventricular assist system is indicated for use as a bridge to cardiac transplantation and destination therapy in patients who are at risk of death from refractory end-stage left ventricular heart failure.The system is designed for in-hospital and out-of-hospital settings.Product event summary: the battery charger was returned for evaluation.A review of the manufacturing documentation confirmed that the associated device met all requirements for release.Various analyses and reviews were conducted in order to evaluate the performance of the device in relation to the reported event.Failure analysis of the returned charger revealed that the device passed visual examination.The functional testing revealed that the a charging port was unable to charge an led status indicator was inoperable.Supplemental testing revealed a damaged fuse, fet, diode and led.It was determined that the battery charger was assembled with an incorrect inductor, damaging components.As a result, the reported event was confirmed.The most likely root cause of the reported event can be attributed an improper assembly.An internal investigation was initiated to investigate battery chargers assembled with incorrect inductors.If information is provided in the future, a supplemental report will be issued.
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