It was reported that the patient received heat burns on their cheek.The twist drill was being used at 30,000 rpm with a trocar.It is stated in ifu 90-274-92-40 and 91-600-00-41 under precautions "when using twist drills, copious amounts of irrigation are mandatory to alleviate excessive heat generation, which can lead to bone necrosis, and in extreme cases, soft tissue burns through contact with trocar and cannula." and "twist drills are not designed to be used at speeds in excess of 5000 rpm.".
|
Device material number nor lot number was identified therefore complaint rate, review of device history records and risk file was not possible.The root cause for the failure cannot be determined since neither material number nor lot number were provided, and the device was not returned.If further information is obtained that might add value to the contents of the investigation report, an additional follow-up report will be submitted. .
|