Universal dental implant abutment system
US6168436A · kind A · utility
Inventor
Key dates
| Filing date | Jun 18, 1997 |
| Grant date | Jan 2, 2001 |
| Priority date | — |
| Expiry date | Jun 18, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C8/0071
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A universal dental implant abutment system is provided which includes an abutment collar and a fixation screw. The abutment collar has a proximal end portion adapted for fixation to a dental prosthesis and a distal end portion adapted for coupling with an implant body. The fixation screw is disposed within a longitudinal bore of the abutment collar and has a threaded distal end for securement to the implant body. The fixation screw has a head portion formed on a proximal end thereof, the head portion having a longitudinally directed bore formed therein. The longitudinal bore of the head of the fixation screw is formed with two longitudinally spaced sections. One section has a non-circular cross-sectional contour adapted for receiving a driving tool therein. The other section has internal threads formed therein adapted for threaded engagement with a retention fastener of a prosthesis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.