초록 ▼

A bone drill extending along an axis has (1) a stabilizing point with first and second cutting edges which extend to a tip, conical wall sections and flutes on opposite sides of each of the first and second cutting edges and (2) first and second lands extending radially outwardly from the conical wa

A bone drill extending along an axis has (1) a stabilizing point with first and second cutting edges which extend to a tip, conical wall sections and flutes on opposite sides of each of the first and second cutting edges and (2) first and second lands extending radially outwardly from the conical wall sections, each land having a radially outwardly extending cutting edge.

대표청구항 ▼

[ I claim:] [1.]1. A bone drill comprising:(a) a shank extending along an axis from a first end toward a second end;(b) a stabilizing point extending to a tip at said second end, said stabilizing point including(i) first and second cutting edges extending to said tip, each said first and second cutt

[ I claim:] [1.]1. A bone drill comprising:(a) a shank extending along an axis from a first end toward a second end;(b) a stabilizing point extending to a tip at said second end, said stabilizing point including(i) first and second cutting edges extending to said tip, each said first and second cutting edge lying on a plane substantially parallel to said axis,(ii) a first flute adjacent said first cutting edge and a second flute adjacent said second cutting edge, and(iii) a substantially conical first wall section on the opposite side of said first cutting edge from said first flute and a substantially conical second wall section on the opposite side of said second cutting edge from said second flute; and(c) a first land extending outwardly from said first wall section, said first land including a first radially outwardly extending cutting edge and a second land extending outwardly from said second wall section, said second land including a second radially outwardly extending cutting edge.