Dental magnetic attachment
US5678998A · kind A · utility
31Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 1995 |
| Grant date | Oct 21, 1997 |
| Priority date | — |
| Expiry date | Sep 20, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C13/235
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dental magnetic attachment embedded in the denture base so as to face a soft magnetic keeper embedded in the top of the root surface comprising a magnet body with a magnet cover sandwiched by a pair of yoke plates and have its magnetic pole to face the yoke plates, the magnet cover made of corrosion resistant non-magnetic material covering lateral face of the magnet body, the pair of yoke plates made of corrosion resistant soft magnetic material, the keeper made of corrosion resistant soft magnetic material, in condition that the yoke plates and the magnet cover are welded together.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.