Sterilizable non-lubricated rotary instrument for dental and medical use
US4966552A · kind A · utility
24Cited by
14References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 8, 1989 |
| Grant date | Oct 30, 1990 |
| Priority date | — |
| Expiry date | May 8, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S415/904
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A handpiece particularly suited for medical/dental applications in which a rotary tool is used upon and in proximity with anatomical structures. The handpiece has an anti-friction bearing assembly which mounts the rotary tool. At least the rolling elements of the bearing assembly are formed of ceramic material. The instrument may be sterilized repeatedly without requiring lubrication either in use or between sterilization cycles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.