This event has been recorded by zimmer biomet under (b)(4).This medwatch is being filed to relay additional information.The device history record for zimmer electric dermatome serial number (b)(4) was reviewed noted no related non-conformances, requests for deviation (rfd), change notices (cn), or any other issues with manufacturing.The record review found no issues with the device and all verifications, inspections, and tests were successfully completed.Using the machine-repair reports and the repair sites folders on livelink as well as sap to query for all repairs on serial number (b)(4) prior to 13 february 2019, the device was noted to have not been previously repaired.The reported event was confirmed by the service technician who performed the evaluation and repair.On (b)(6) 2019, it was reported from (b)(6) that a dermatome shut down while taking a graft.Prior to taking the graft, the dermatome was also tested and was not turning on properly.The customer returned a zimmer electric dermatome, serial number (b)(4), for evaluation.Evaluation of the device on 5 march 2019 noted that the motor was running erratically and that side to side calibration was only out at the zero setting.Repair of the device occurred the same day and involved replacing the motor, power cord, power switch, and multiple bearings.The technician then tested and verified that the dermatome was functioning as intended and the device was returned to the customer without further incident.The device was tested, inspected, and repaired.Reference number (b)(4) on 13 february 2019.While the service technician found that the motor was running erratically, which would cause the device to not cut properly and appear as though it is turning on and off during use, it cannot be determined from the information provided as to what caused the motor to malfunction.Therefore, a specific root cause of the reported shutting down during use and not turning on properly cannot be determined.The investigation was based on the information that was provided initially and any information that was obtained throughout the follow-up process.
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