Dental reamer
US4538989A · kind A · utility
65Cited by
2References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 16, 1980 |
| Grant date | Sep 3, 1985 |
| Priority date | — |
| Expiry date | Sep 16, 2000 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C5/42
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dental reamer adapted for removing damaged nerve tissue and dead or injured cell material from the root canal of a tooth is formed with a tapered shank with at least two oppositely disposed continuous helical flutes formed along at least a part of its shank to define two oppositely disposed continuous helical upwardly facing cutting edges.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.