Endodontic appliance
US4773855A · kind A · utility
Inventor
Key dates
| Filing date | Oct 8, 1986 |
| Grant date | Sep 27, 1988 |
| Priority date | — |
| Expiry date | Oct 8, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C1/003
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Drive head for an endodontic treatment instrument composed of a support body provided with a passage, an instrument support member having a longitudinal axis and mounted in the passage for movement relative to the body in the direction of the longitudinal axis, and drive components coupled to the instrument support member for inparting to the instrument support member alternating movements in the direction of the longitudinal axis, said instrument support member supports an andodontic treatment instrument in a manner to cause the instrument to move with the support in the direction of said longitudinal axis and to have a freedom of rotation about the longitudinal axis and relative to the support body and/or to cause the alternating movements in the direction of the longitudinal axis to have a variable amplitude.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.