Endodontic instrument having enhanced compliance at the tip
US5882198A · kind A · utility
56Cited by
44References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 1997 |
| Grant date | Mar 16, 1999 |
| Priority date | — |
| Expiry date | Jun 30, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C5/42
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An endodontic instrument is provided for use in performing root canal procedures and comprises an elongate working portion and a chisel tip portion which has removing edges that improve the effectiveness of the instrument in extirpating and enlarging the root canal. The working portion has a non-uniform taper which accelerates from a proximal end of the instrument to a distal end forming a region of enhanced compliance adjacent the tip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.