Geometrically shaped surgical bar with features that protect non-moving and flexible tissue

摘要

The surgical bar 120 includes a body 176 and a drill tip 194. The main body includes a longitudinal groove 180 and a land portion 178. Each longitudinal groove includes a cutting edge 186, a scooping surface 184, and clearance also includes a surface 188. Each land part has a convex shape and is disposed between a pair of longitudinal grooves. The drill tip includes an axial flank 198. Each of the axial flank surfaces has a planar region, is different from the i-land portion, and borders one end portion of the cutting edge portion, one of the ii land portions, and one of the iii clearance surfaces. Yes.