Device for connecting a dentistry handpiece or contra-angle on a support
US5207575A · kind A · utility
1Cited by
10References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 20, 1990 |
| Grant date | May 4, 1993 |
| Priority date | — |
| Expiry date | Nov 20, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2090/306
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A support for a dentistry handpiece or contra-angle is connected to a dental unit, such as a motor, including apparatus for the supply of water and air for spraying the working point of the supported handpiece of contra-angle and, if desired, apparatus for supplying electric current to bulbs situated in the head of the handpiece or contra-angle for lighting in the working point and/or fibre optics. The rear face of the support is provided with a projecting ring of insulating material and the motor includes an annular hollow form for receiving the ring when the support is mounted to the motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.