A nurse reported a perforator (261221) is not disengaging/stopping when the perforation is complete and pressure is removed.No patient injury, no surgical delay was reported.Perforator was used for craniotomy for responsive nerve stimulator strips and battery.The drill used with the perforator is an electric medtronic midas rex.The perforator clicked in place in the drill, and the recommended spring tests were performed between each burr hole.According to information provided, it is unknown if the angle approach was perpendicular as the ifu (instructions for use) states; it is also unknown if there was constant downward pressure.
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