Root cause: based on information received from the reporting customer, the root cause has been identified as improper use of the device.Corrective action: the risk analysis will be reviewed to ensure the failure mode and effect to the patient are represented.The instructions for use will also be revised for clarity to ensure safe and effective use.Investigation summary: an internal complaint (b)(4) was received reporting that a general purpose probe (part number 81-020412) was used on a patient during an mri procedure.After which, the patient received a third-degree burn near the armpit.A lot number was not reported and the device was unavailable for evaluation.In an email communication received 4/21/2016, the reporting customer stated the probe connector end was placed under the patient's right arm pit and the tip of the probe "wrapped up" around the neck "to the left side of the head in the occipital area." the instructions for use (part 74-14906, revision 6/10) packaged with part number 81-020412 state that the probe is intended to be used for "routine monitoring of temperature in anesthetized patients by inserting the probe into the esophagus or the rectum." without a sample or a reported lot number, a physical analysis and device history record review could not be performed.A review was performed of the last two work orders for part number 81-020412.No discrepancies or rejects were found during the manufacturing process.As part of the manufacturing process, a 100 percent electric leak test is performed to ensure that all products are in compliance from a functional standpoint.Any defective units are immediately scrapped.Action point and material release report logs were reviewed.No similar situations have been reported.Preventive action: no preventive actions have been identified as part of this investigation.The investigation is complete at this time.If new and critical information is received, this report will be updated.
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