It was reported that during set-up of the device for a cardiopulmonary bypass procedure, the battery turned off on the blood parameter monitor (bpm) when it was unplugged to move to a different room.As a result, an alternate device was employed.The surgical procedure was completed successfully.There were no delays, no blood loss, or no adverse consequences to the pt.
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The reported complaint was confirmed.During laboratory eval, the blood parameter monitor (bpm) passed startup self-diagnostics with no errors observed with a/c power applied.When a/c power was removed, the bpm immediately shut off.Inspection of the 12v standby battery revealed it has leaked acid and the battery had shorted internal cells.The 12v battery holding tray had corrosion from leaked battery acid.Voltage measurement of battery only measured 1.8 volts and when charging, only went to 5 volts.Review of service records indicated this was the original battery and it had failed due to age (seven years).If add'l info becomes available on this complaint that would alter the facts and/or conclusion, a supplemental report will be filed accordingly.
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