It was reported that during an initial implant procedure, the device was found to be in backup vvi.During the procedure, the pulse generator exhibited difficulty getting rf telemetry.An auditory alert went off while preparing to hand the device to the physician.It was attempted to interrogate the device by placing a wand cover; however, the programmer displayed that the device was in backup vvi.Due to the patient being on the table with an open pocket and the time it would take to recover the device, the device was not used and was replaced.The patient was stable throughout the event.
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The reported event of backup mode was confirmed.The device was received in backup mode and its voltage was at beginning-of-life level.After recovering the device to its normal operating mode, electrical and mechanical tests indicated normal device functionality.Despite extensive efforts the backup condition could not be reproduced.There were no anomalies found that could help determine the cause of backup operation occurred in the field.As a result of this finding, abbott is performing further investigation.
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