It was reported that a bolt in the temporal region broke off.The doctor believes that he collected all of it, but when he brings the patient in to remove all of the bolts and electrodes, he will investigate the site to ensure it is completely removed.Updated: 11/18/2022: the user facility was not able to provide traceability information for the bolt (no catalog number, lot number, or batch number) and the return analysis was also not able to identify the model due to only the top portion and cap being returned.There was a clear break in the threading of the bolt, but the root cause was inconclusive.There was no report of harm or impact to the patient.The risk assessment concluded that the calculated occurence remains "alap" (as low as possible) and no further action is needed at this time.
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