This event has been recorded by zimmer biomet under (b)(4).Current repair product evaluation product review of the air dermatome serial number (b)(4) by flextronics on (b)(6) 2020 revealed that the needle bearing and external e-rings were worn, there was corrosion on the ball bearings, the swivel was loose, the motor speed was low, and the unit was out of calibration and control bar position not correct.Product repair repair of the device was performed by flextronics on (b)(6) 2020 which included replacement of the following: motor (pn06001810353, ln64223144), swivel (pn06002002156, ln64661050), hinge (pn06001810819, ln64088557), ball bearing (pn06001810357, ln63704694)-2, motor sleeve (pn06001810378, ln642240794), external e-ring (pn06001810395, ln64350690)-2, needle bearing (pn06001810393, ln64581592).Additional repair included recalibration and the position of the control bar the device, serial number (b)(4), was then tested and functioned properly.It was repaired, inspected and tested.Review of the device history records identified no deviations or anomalies during manufacturing.Device is used for treatment.A definitive root cause cannot be determined.No corrective actions, preventive actions, or field actions resulted after investigation of this event.The event is confirmed.
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