Dental syringe for filling cavities in teeth
US4431414A · kind A · utility
Inventor
Key dates
| Filing date | Jan 25, 1982 |
| Grant date | Feb 14, 1984 |
| Priority date | — |
| Expiry date | Jan 25, 2002 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C5/64
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dental syringe for filling cavities in teeth with dental filling materials and can be dispensed into a tooth cavity in measured in increments of all or a portions of one or two-predetermined quantities of filling material. The syringe is composed of an elongated body barrel having two hollow, contiguous parallel shafts and a disposable chamber removably attached to the barrel and having two hollow contiguous parallel shafts which are coextensive and continuous in precise axial dimensions as the shafts in the barrel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.