It was reported that before use, when the battery of the cardiosave intra-aortic balloon pump (iabp) was used for less than five minutes, the host was plugged back into the frame, and the iabp did not switch from battery to 220v ac and the battery would not charge.After the battery was plugged in and unplugged, the iabp completely powered off and could not be connected to the 220v power supply.Finally, the customer disconnected the 220v plug of the iabp and reconnected the iabp to recharge.There was no patient involvement, and no adverse event reported.
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