The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 20, 2012
Filed:
May. 05, 2009
Naoto Fujii, Itabashi-ku, JP;
Yoshihiro Sakaguchi, Itabashi-ku, JP;
Naoto Fujii, Itabashi-ku, JP;
Yoshihiro Sakaguchi, Itabashi-ku, JP;
GC Corporation, Tokyo, JP;
Abstract
To provide a detachable stopper fixed on a spindle part of a dental drill to regulate the depth of an implant fixture embedding hole in an implant treatment, the detachable stopper includes a stopper main bodybeing made of an elastically deformable metal material, having a cylindrical shape, having a slightly smaller inner diameter than an outer diameter of the spindle part, having a slit partformed along an axial overall length from an outer peripheral face to an inner peripheral face to have an opening, and having a diameter expanding tool insertion partbored at an axial center of the slit part, and a diameter expanding toolto be inserted into the diameter expanding tool insertion partto expand the inner diameter of the stopper main bodyto be larger than the outer diameter of the spindle part.