This event has been recorded under zimmer biomet complaint number (b)(4).D4: udi#: (b)(4).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.The customer returned an electric dermatome device, serial number (b)(6), for evaluation.The customer also returned a power supply, serial number (b)(6), for evaluation.Product review of the electric dermatome on october 1, 2019 revealed that the control bar was below the correct position.The motor speed was below specifications and the spring seal needed replaced.The calibration was out of specifications at all settings.Product review of the electric dermatome power supply on september 27, 2019 revealed that the power switch was broken.Repair of the electric dermatome was performed by zimmer biomet surgical on october 1, 2019 which included replacement of the needle bearing, bearings, and spring seal.The control bar position was corrected and the unit was recalibrated.Electric dermatome, serial number (b)(6), was then tested and functioned properly.It was repaired, inspected and tested.Repair of the electric dermatome power supply was performed by zimmer biomet surgical on september 27, 2019 which included replacement of the power switch.Electric dermatome power supply, serial number (b)(6), was then tested and functioned properly.It was repaired, inspected and tested.While the returned product investigation confirmed that the electric dermatome had a low control bar that could cause it to cut too deeply, 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 needle bearing, bearings, and spring seal were replaced and the control bar position was corrected and the unit was recalibrated.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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