Manually operated endodontic instrument
US4824369A · kind A · utility
Inventor
Key dates
| Filing date | May 12, 1987 |
| Grant date | Apr 25, 1989 |
| Priority date | — |
| Expiry date | May 12, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C5/42
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A manually operated endodontic instrument composed of: an endodontic file; and a handle to which the file is immovably secured, the handle being formed to be gripped between the thumb and the index finger, having a longitudinal axis and an outer surface and including a central, longitudinally extending portion and first and second bulbous portions each joined to a respective longitudinal end of the central portion and each projecting laterally beyond the central portion, the handle being provided, at its outer surface, with at least two circumferentially spaced recesses extending longitudinally along at least part of the central portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.