Endodontic instruments
US10966801B2 · kind B2 · utility
0Cited by
11References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 15, 2018 |
| Grant date | Apr 6, 2021 |
| Priority date | — |
| Expiry date | May 4, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C5/42
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A rotatable endodontic file for cleaning/shaping a tooth root canal that includes an elongated shaft having a proximal end portion, a distal end and a tapered working portion having a rotational axis, the working portion extending from the proximal portion to the distal end; the external surface of the shaft working portion having a plurality of parallelogram-shaped cross sections along the working portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.