Endodontic angle-piece
US5330355A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 23, 1992 |
| Grant date | Jul 19, 1994 |
| Priority date | — |
| Expiry date | Nov 23, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C1/003
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dental apparatus provided with a drive unit for operative dentistry instruments, specifically a powered system for performing the various phases of operative dentistry operations. This advanced dental apparatus is essentially characterized in that the working tool housed in a tool-holder sleeve, exhibits dampable, disengageable, reciprocating helical motion using a flexible cam. The cam is mounted on the rotational axis and its end is received in a hole in the sleeve. This device allows completely safe operative dentistry operations to be performed, while preventing false canals and instrument breakage, through the use of the flexible movement control device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.