This event has been recorded by zimmer biomet under cmp-(b)(4).(b)(6).The device history record (dhr) and previous repair report reviewed noted no related non-conformances, requests for deviation, change notices or any other issues with manufacturing or with the device.The dhr and previous repair report review also found that all verifications, inspections and tests were successfully completed.On (b)(6) 2019, it was reported that the handpiece was plugged into the power supply control unit and the device did not work.The customer returned an electric dermatome device, serial number (b)(4), for evaluation.Product review of the electric dermatome by zimmer biomet (b)(4) on (b)(6) 2019 revealed that the device ran very slow and the oscillator was able to be stopped by hand.The width plates were worn.Product review of the electric dermatome by zimmer biomet (b)(4) on (b)(6) 2019 revealed that the motor speed was below specifications.The calibration was out of specifications at all settings and the control bar was in the correct position.The customer did not return a power supply for evaluation.Repair of the electric dermatome was performed by zimmer biomet (b)(4) on (b)(6) 2019 which included replacement of the motor, switch, bearings, o-ring, seal, reciprocating arm, external e-ring, and the 1"/2"/3"/4" width plates.Electric dermatome, serial number (b)(4), was then tested and functioned properly.It was repaired, inspected and tested.While the returned product investigation confirmed that the electric dermatome had a malfunctioning motor, it cannot be determined from the information provided what actually caused the reported event.Therefore, based on the information provided, a specific root cause of the reported event cannot be determined.The device was noted to be functioning as intended after the motor, switch, bearings, o-ring, seal, reciprocating arm, external e-ring, and the 1"/2"/3"/4" width plates were replaced.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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