It was reported that during surgery, the unit's power was not strong enough.No additional skin graft needed but wound was created due to the malfunction, so a dressing was applied.The same device was used with an alternative nitrogen source that could increase high enough for the dermatome to operate.A delay of about 15 minutes was reported.
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This event is recorded with zimmer biomet under (b)(4).D4 - udi# - (b)(4).Reported issue: on june 14, 2019, it was reported that the unit power was not strong.Same device was used with an alternative nitrogen source that could increase high enough for the dermatome to operate.The customer returned an air dermatome device, serial number (b)(6), for evaluation.The customer also returned a hose and 1/2/3/4 inch width plates, for evaluation.Dhr review: the device history record (dhr) review noted no related non-conformances, requests for deviation, change notices or any other issues with manufacturing or with the device.The dhr review also found that all verifications, inspections and tests were successfully completed.Zimmer biomet surgical has previously repaired/evaluated air dermatome serial number (b)(6) as documented in the repair reports in livelink.Device evaluations results/investigation findings: product review of the air dermatome on july 17, 2019 revealed that the calibration was out of specifications at the zero setting only.The motor speed was within specifications and the control bar was in the correct position.Repair of the air dermatome was performed by zimmer biomet surgical on july 17, 2019 which included replacement of the throttle hinge gasket, fine adjustment cam, motor sleeve, motor, planetary carrier, bearings, internal retaining ring, spring seal, vespel bearings, and semi-circle bearings.Air dermatome, serial number (b)(6), was then tested and functioned properly.It was repaired, inspected and tested.Probable cause/root cause: although the reported event was confirmed during inspection of the device, it cannot be determined from the information provided what caused the device to become out of calibration.Therefore, the root cause could not be determined.The investigation was based on the information that was provided initially and any information that was obtained throughout the follow-up process.Conclusion: review of the information provided during the investigation determined that there are no further actions needed at this time.This complaint will be tracked and trended for any adverse trends that may warrant further action.
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