Tool for use in applying filler material to an endodontically prepared root canal
US4758156A · kind A · utility
Inventor
Key dates
| Filing date | Apr 2, 1987 |
| Grant date | Jul 19, 1988 |
| Priority date | — |
| Expiry date | Apr 2, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C5/50
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A tool for use in applying filler material, such as gutta-percha or the like, to an endodontically prepared root canal of a tooth in the form of an elongated shaft of material having high biological tolerance, the shaft having a handle portion at the proximal end, the shaft being adaptable to receive filler material formed thereon formed into a conical configuration so that the shaft having the filler material thereon may be positioned in the root canal and the shaft thereafter severed by applying force to the handle portion to retain the portion of the shaft and the filler material within the root canal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.