This event has been recorded by zimmer biomet under (b)(4).D4: (b)(4).The previous repair report for air dermatome, serial number (b)(6), was reviewed and noted no related non-conformances, requests for deviation (rfd), change notices (cn) or any other issues with the repair.The previous repair report review found no issues with the device after repair and all verifications, inspections and tests were successfully completed.Zimmer biomet surgical has previously repaired/evaluated air dermatome, serial number (b)(6).The previous repair was due to a damaged screwdriver and width plate, leaking hose, and calibration error on 16 oct 2018.The previous repair was associated with the current repair which is for a leaking hose, calibration error, and damage to the head and control bar.Thus, the previous repair was a related issue.On 10 jun 2019, it was reported from ochsner lsu health shreveport that an air dermatome was leaking at the connection to the handpiece.Product review of the air dermatome by zimmer biomet surgical on 18 jun 2019 revealed that the calibration was out of specification.The motor speed was within specification but there was an air leak sound.The head and control bar were both damaged.Repair of the air dermatome was performed by zimmer biomet surgical on 18 jun 2019 which included replacement of the hose, head, control bar, motor, motor sleeve, swivel, vespel, semi-circle bearings, bearing spacers, poppet, screws, hinge throttle gasket, hinge throttle, needle bearing, retaining ring, ball bearings, planetary carrier, dowel pin, reciprocating arm, poppet spring, o-rings, poppet housing, eccentric shaft, spring seal, and wave washer.Air dermatome, serial number (b)(6), was then tested and functioned properly.It was repaired, inspected and tested.Service notification number 300174902 dated 10 jun 2019.While the returned product investigation confirmed that the air dermatome was leaking air due to a damaged hose, 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 unit was re-calibrated and the hose, head, control bar, motor, motor sleeve, swivel, vespel, semi-circle bearings, bearing spacers, poppet, screws, hinge throttle gasket, hinge throttle, needle bearing, retaining ring, ball bearings, planetary carrier, dowel pin, reciprocating arm, poppet spring, o-rings, poppet housing, eccentric shaft, spring seal, and wave washer 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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