A facility reported a perforator (id 261221) drill disassembled when pulling the device from cranium after making the final burr hole.The inner drill remained in the cranium, so the drill was removed using pliers.Total number of burr hole made by the product is unknown.The drill used with the perforator is unknown.No dural damage occurred to the patient.It was stated that there was a possibility of the product remained in the patient's body.According to information provided, it is unknown if there was a surgical delay due to drill disassemble.It is also unknown if all broken parts were recovered and if x-ray was taken to assure no parts left in patient.It is unknown if the drill is electric or pneumatic, if the perforator clicked in place in the drill, and if the recommended spring tests being performed between each burr hole.
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