A physician reported a codman perforator (id: 261221) did not stop and separated into two parts during the procedure: a patient was admitted due to stroke and a physician planned to do one hole puncture.After high-speed drill machine was started, the perforator drilled into the skull then it was torn apart.The distal part stuck into the patient¿s skull and damage the dura.The patient had also brain trauma at the location of the hole and has been moved to in-patient department (ipd).The physician repaired the patient's dura and admitted him to intensive care unit (icu) a couple days until he recovered on (b)(6) 2024.The manufacturer of the drill used with the perforator is an electric medtronic.The perforator clicked in place in the drill and the recommended spring tests were performed between each burr hole.There was 90-degree angle of approach perpendicular as the instruction for use (ifu) states.The perpendicular approach was maintained through the drilling process and there was a constant downward pressure.
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