Dental handpiece
US6702578B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 20, 2001 |
| Grant date | Mar 9, 2004 |
| Priority date | — |
| Expiry date | Jul 20, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61C1/082
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A dental handpiece stably cutting a wall of a root canal without a fear of piercing a root opening. The dental handpiece includes a means for holding a tool cutting a tooth to be cured and a support for setting the cutting tool at a desired position relative to the tooth to be cured. The length of the support may be changeable by stages. The holding means may be formed of a head of the dental handpiece and a plurality of supports with different lengths may be removably mounted to the head. The support can stand on a head of the dental handpiece and the length from the head is changeable. The support is formed separately from the dental handpiece to be removable, and may have a stopper which abut with a tooth to be cured or an appropriate portion near the tooth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.