This event has been recorded by zimmer biomet under (b)(4).Udi: (b)(4).Power supply, elec.Dermatome/ pn 00882100600/ sn (b)(4).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 reviews found no issues with the device and all verifications, inspections, and tests were successfully completed.On 13 february 2019, it was reported from (b)(6) medical center 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), and a zimmer electric dermatomer power supply, serial number (b)(4), for evaluation.Evaluations of the dermatome and power supply occurred on 5 march 2019 and the technician found that the motor ran erratically on the dermatome, but was within motor speed specifications.The dermatome was further noted to be within side to side calibration specifications and have no visible damage.The power supply was found to be functioning as intended.Repair of the dermatome occurred the same day and involved replacing the motor, power switch, power cord assembly, and eccentric shaft.The technician then tested and verified that both the dermatome and the power supply were functioning as intended and the devices were returned to the customer without further incident.The dermatome and the power supply were tested, inspected, and repaired.Reference number (b)(4) on 13 february 2019.While the service technician does find that the motor on the dermatome was running erratically, the device was found to be running within motor speed specifications, meaning that the motor could not have turned off during testing.As such, the reported shutting off during use or the turning on issues could not be reproduced during testing.Therefore, based on the information provided, a specific root cause of the reported issues 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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