periosteotome

per·i·os·te·o·tome

(per'ē-os'tē-ō-tōm), A strong scalpel-shaped knife, for cutting the periosteum. Synonym(s): periostotome

periosteotome

(pĕr″ē-ŏs′tē-ō-tōm) [″ + osteon, bone, + tome, incision] An instrument for cutting the periosteum or removing it from the bone.