Device for producing tooth impressions and impression tray therefor
US6394802B1 · kind B1 · utility
75Cited by
7References
90Claims
0Family size
Inventor
Key dates
| Filing date | Feb 23, 2000 |
| Grant date | May 28, 2002 |
| Priority date | — |
| Expiry date | Feb 23, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C9/0006
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A tray for producing impressions of dental arches includes a peripheral edge wall that forms a sealing point with soft tissue in the patient's mouth. The interior of the tray is connected via a plurality of vacuum connection pieces to a suction arrangement. Disposed in an impression space provided by the tray is an impression material distributor tube that conveys impression material, preferably to the rear impression space. The distributor tube is connected to an impression material source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.