A physician reported that when pulling the perforator (id 261221) from cranium after making the third burr hole, the device detached from the drill.The drill used was anspach, and three burr hole was made.The event led to more than 30 minutes surgical delay.According to information provided, it is unknown if additional anesthesia was required due to surgical delay and if the perforator clicked in place in the drill.It is also unknown, if the recommended spring tests are being performed between each burr hole and if the drill is electric or pneumatic.It is also unknown if any part fell into the surgical site and if there was any patient injury/consequences.
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