
Bizarre Medical Devices That Were Used During Medieval Times (9 pics)
Trepanning: The procedure of drilling a hole into the skull to treat intracranial complications or any issues regarding the head. During the Medieval era, a sufferer of a mental disease was considered possessed by evil spirits and had to go through the procedure of trepanning. The procedure obviously extremely risky, and patients hardly ever survived. But there were some records of "successful" trepanning in which people lived with a new soft spot.