Detachable stopper for dental drill
US8137101B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 5, 2009 |
| Grant date | Mar 20, 2012 |
| Priority date | — |
| Expiry date | Nov 3, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/8925
- WIPO fieldMedical technology
- WIPO sectorInstruments
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 body 1 being 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 part 1a formed 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 part 1b bored at an axial center of the slit part 1a, and a diameter expanding tool 2 to be inserted into the diameter expanding tool insertion part 1b to expand the inner diameter of the stopper main body 1 to be larger than the outer diameter of the spindle part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.