Holding device for a dental dowel pin
US4457709A · kind A · utility
Inventor
Key dates
| Filing date | Mar 9, 1983 |
| Grant date | Jul 3, 1984 |
| Priority date | — |
| Expiry date | Mar 9, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T24/44957
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The holding device of the present invention comprises an elongated wire rod of unitary construction having a lower straight section with a pointed end adapted for insertion into an impression material of a dental mold, an intermediate section having a wire coil adapted to grip a dowel pin and an upper section extending from the intermediate section and being angularly displaced therefrom such that upon compressing and releasing the upper section relative to the intermediate section the turns of the wire coil are spread open for inserting and releasably locking a dowel pin therein with the dowel pin being automatically aligned relative to said lower section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.