Endodontic instrument with multi-tapered flutes
US8182265B2 · kind B2 · utility
5Cited by
4References
16Claims
0Family size
Inventor
Key dates
| Filing date | Apr 22, 2010 |
| Grant date | May 22, 2012 |
| Priority date | — |
| Expiry date | Apr 22, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C5/42
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A multi-tapered endodontic file is provided, formed from shaft of material having a shaft. The shaft includes a working portion having one or more tissue-removing edges, points and/or surfaces. The working portion includes at least a first flute and a second flute. The first flute is tapered along its length in accordance with a first predetermined taper function. The second flute is tapered along its length in accordance with a second predetermined taper function.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.