raspatory
/ˈrɑːspət(ə)ri/ /ˈraspət(ə)ri/noun
Originally: a file used in dentistry or surgery, especially for scraping bone (now historical ). Later also: any of various instruments used to lift the periosteum from a bone.
Origin
Late Middle English; earliest use found in Guy de Chauliac's Grande Chirurgie. From post-classical Latin raspatorium from raspat-, past participial stem of raspare + classical Latin -ōrium.