The FDA is evaluating recent reports of Getinge’s Maquet/Datascope intra-aortic balloon pump (IABP) devices shutting down while running on battery power.

http://www.fda.gov/medical-devices/letters-health-care-providers/device-failure-associated-getinges-maquetdatascope-intra-aortic-balloon-pumps-letter-health-care