It was reported that during a tka, pin placement, registration, implant placement had all progressed as per surgical technique.
Immediately on distal femur burring a warning came up on the monitor - handpiece exposure control motor failure.
Re-calibration of handpiece was undertaken and each time at the beginning of burring the same warning would be seen on the monitor.
Handpiece and drill were inspected and connection of the two was re-confirmed without any problems found.
A new handpiece and drill was opened and calibrated and procedure was completed without any further delay.
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