公开(公告)号：US20040063067A1

公开(公告)日：2004-04-01

申请号：US10653591

申请日：2003-09-03

Applicant: GC Corporation

Inventor： Masashi Takahashi ,  Yataro Komiyama ,  Takao Okada ,  Norio Kojima

IPC: A61C003/02 ,  A61C008/00

CPC classification number: A61B17/1673 ,  A61C8/0022 ,  A61C8/0089

Abstract: A drill set for adjusting an implant hole for a self-tap dental screw implant fixture comprises with a diameter d2 at the point of a cutting blade equivalent to a diameter D3 Of the tip end of the fixture, a diameter d1 at the back end of the blade equivalent to the maximum root diameter of a first male screw 1e or smaller, and a length l1 of the blade larger than the entire length L1 of the fixture 1, and the second drill 3 with a diameter d5 at the point of a tapered tip end cutting blade 3b equivalent to the diameter D3, and a diameter d3 at the back end of a tapered back end cutting blade 3a equivalent to the maximum root diameter of the first male screw 1e and being smaller than the maximum crest diameter thereof, both the blades 3a, 3b forming two-step taper shape.

Abstract translation: 用于调整用于自攻牙科螺钉植入物夹具的植入孔的钻机组包括在切割刀片的点处的直径d2等于夹具尖端的直径D3，后端的直径d1 叶片相当于第一外螺纹螺钉1e的最大根直径1e以下，叶片的长度l1大于固定件1的整个长度L1，第二钻头3的直径d5在锥形点 尖端切割刀片3b相当于直径D3，锥形后端切割刀片3a的后端的直径d3等于第一外螺纹螺钉1e的最大根直径并小于其最大波峰直径，两者均为 叶片3a，3b形成两级锥形。