It was reported that after the registration of the femur in a cori assisted tka surgery, an error message was displayed noting that the real intelligence robotic drill was disconnected.
After they reset a few times they completed the procedure with manual instrumentation without significant delays.
The patient was not harmed beyond the reported problem.
Additionally, it was impossible to disconnect the ri robotic drill attachment from the drill.
They tried to reset and start a new case, but it did not help; they also cleaned the end of the drill and the connection in the console.
The root cause of this issue is an out-of-specification nut on the drill attachment, which makes it a reportable event.
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