Dental handpiece
US4515564A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 21, 1983 |
| Grant date | May 7, 1985 |
| Priority date | — |
| Expiry date | Mar 21, 2003 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01C13/02
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
There is disclosed a dental handpiece which comprises a holder sleeve adapted to mount at one end a dental implement, a motor unit arranged in the sleeve, a power supply module releasably coupled to an opposite end of the sleeve and arranged to provide power to operate the motor unit, and a drive train extending within the sleeve from the motor unit to the dental-implement end of the sleeve to enable the motor unit to operate the dental implement. Fluid media supply lines are arranged inside the sleeve, but pass round the outside of the motor unit, and extend towards the implement-end of the sleeve in order to supply fluid media to the treatment region adjacent to the implement. The housing of the motor unit has a longitudinal groove in which the fluid media supply lines are taken, to achieve necessary guiding of the supply lines. The power supply module and the handpiece sleeve are freely rotatable relative to each other, when they are coupled together, by virtue of a guide pin and socket arrangement. The socket is provided by a coupling interpiece, and advantageously the coupling interpiece and the motor unit are interchangeably mounted in the handpiece. Desirably, the handpiece …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.