Method of treating surgical drill, surgical drill and use of surgical drill
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United States of America Patent
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Jul 28, 1998
Grant Date -
N/A
app pub date -
Feb 7, 1995
filing date -
May 27, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
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.
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