DRILL, DRILL COVER, AND SURGICAL INSTRUMENT FOR COLLECTING AUTOLOGOUS BONE EMPLOYING SAME

摘要

The present invention relates to a surgical instrument for collecting autologous bone. The surgical instrument for collecting autologous bone comprises: a handle portion connected to a driving device; and a cutting portion which collects bone pieces of a person to be surgically operated on while rotating, wherein the cross-sectional area of the cutting portion is 10-40 % of the area of an imaginary circle having a diameter which is the distance from the center thereof to the outermost portion.