| 发明名称 |
Variable depth medical drill and method of making the same |
| 摘要 |
A medical or dental drill bit with one or more colored bands to indicate the drilling depth. The colored bands include groove portions filled with a color material. The invention also relates to a method of making such a drill bit.
|
| 申请公布号 |
US5941706(A) |
申请公布日期 |
1999.08.24 |
| 申请号 |
US19980112600 |
申请日期 |
1998.07.09 |
| 申请人 |
URA, ROBERT S. |
发明人 |
URA, ROBERT S. |
| 分类号 |
A61B17/16;A61B19/00;A61C3/02;(IPC1-7):A61C3/02;A61B17/00 |
主分类号 |
A61B17/16 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
