Endodontic files
US5213499A · kind A · utility
9Cited by
6References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 28, 1992 |
| Grant date | May 25, 1993 |
| Priority date | — |
| Expiry date | Jan 28, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C5/42
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An endodontic file comprising a handle and an elongate cutting portion, a distal end remote from the handle and formed to have a first file portion which is adjacent the distal end and has the physical form of a k file, and a second file portion, which is located between the first portion and the handle and has the physical form of a Hedstrom file.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.