- Its age was centuries old, he deduced; and it was holed in several places, as if it had been bled or trepanned for malady.
- In the opening volleys at the battle of Germantown on 4 October 1777, St George was shot in the head, taken from the field and trepanned, leaving him with a large hole in the side of his skull.
- They shaved his head and trepanned him to let the pressure out.
- Early on, a young boy watches his physician father heal a patient with trepanning, drilling or cutting holes in the skull to remove pressure.
- Call it trepanning without the saw and the blood but with the same effect.
- And furthermore, he just sliced through the trepan.