If the surgical implant procedure is done without the few minutes of time pressure on the robot needle work, say, a hole isn't needed through the skull, sensor

If the surgical implant procedure is done without the few minutes of time pressure on the robot needle work, say, a hole isn't needed through the skull, sensor traces could be worked through the Pia Arachnoid Complex from the back of the neck before making a turn and going in at the brain.