Periosteal Elevator is used during neurosurgical and orthopedic procedures to lift or cut the periosteum tissue. They can be used to scrape flaps which helps in revealing fractured or diseased bones. 

Here are some of the types:
•    Cushing Little Joker Periosteal Elevator
•    Freer Elevator Double Ended

They also come with a double-ended feature with blunt and sharp tips that provide an atraumatic surgical experience.