A physician reported a codman perforator (id 261221) drill disassembled when pulling the device from cranium after making the third burr hole.The inner drill remained in the cranium during a surgery for aneurysm was performed.After removing the inner drill, another device was used to complete the procedure.There was a delay of less than 30 minutes.The product made a 3-burr hole and the drill used is unknown.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 any part fell into the surgical site.It is also unknown if the perforator clicked in place in the drill, and if the recommended spring tests were performed between each burr hole.The patient recovered.
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