Method of treating surgical drill, surgical drill and use of surgical drill
US5785522A · kind A · utility
22Cited by
7References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 7, 1995 |
| Grant date | Jul 28, 1998 |
| Priority date | — |
| Expiry date | Feb 7, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23B2260/088
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention relates to a surgical drill made of metal, for instance made of surgical grade stainless steel or carbon steel, intended for use when implanting cylindrical implants into bone tissue, preferably dental implants made of titanium. The body (3) of the drill (1) is coated by a thin layer of titanium nitride (TiN). The layer of titanium nitride is brightly colored and circumferential bands (8, 9, 10, 11) having a darker color have been etched around the envelope surface of the body (3) of the drill, said bands (8, 9, 10, 11) being located at predetermined distances from each other and having predetermined widths.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.