Abstract:
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.
Abstract:
The present invention relates to a dental drill for quickly and safely lifting the sinus without damaging the mucous membrane therein when operating the sinus. The dental drill, according to the present invention, comprises a connection portion which is formed on the upper end of a body so as to be connected to a driving device, and a cutting portion, which is formed at the lower end of the body, having cutting blades for drilling, wherein the cutting blades comprise a plurality of main cutting blades which are separated away from each other at an angle, and auxiliary cutting blades which are arranged between the main cutting blades.
Abstract:
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.
Abstract:
The present invention relates to a drill for an implant surgery which allows a mucous membrane in the maxillary sinus to be fast and safely lifted without being damaged during a surgery for the maxillary sinus. According to the present invention, an drill for use in an implant surgery includes a connection portion formed at an upper end of a body of the drill to be connected with a driving device; and a cutting portion formed at a lower end of the body and having a cutting blade for drilling, wherein an outer circumferential edge of a distal end of the cutting portion protrudes rather than a center of the distal end of the cutting portion.