(b)(4).The subsidiary site service engineer (se) found ampro board was broken and caused the reported problem.The se assembled an old model central processing unit (cpu) board, and now the cpg monitor is working correctly.Per the se, they are not going to send the defective printed circuit board assembly (pcba) to the manufacturer for evaluation.He stated there was no damage or obvious component damage to board.
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It was reported that during set-up of the device for a cardiopulmonary bypass procedure, the cardioplegia (cpg) monitor is broken.At first, the monitor housing was very hot after running for some time.Sometimes the numbers on the display of the monitor were frozen.When the user presses the buttons, there's no affect.Now the monitor does not boot-up and always has black screen.As a result, an alternate device was employed.The surgical procedure was completed successfully.There was no delay, no blood loss, nor adverse consequences to the patient.
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