Surgical burs with geometries having non-drifting and soft tissue protective characteristics
US9883873B2 · kind B2 · utility
14Cited by
63References
43Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 17, 2013 |
| Grant date | Feb 6, 2018 |
| Priority date | — |
| Expiry date | Jul 20, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23C2210/0407
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical bur includes a body and a drill point. The body includes flutes and lands. Each of the flutes includes a cutting edge, a rake face, and a clearance surface. Each of the lands is convex-shaped and disposed between a pair of the flutes. The drill point includes axial relief surfaces. Each of the axial relief surfaces has a planar area, is distinct from the lands and borders (i) a distal portion of one of the cutting edges, (ii) one of the lands, and (iii) one of the clearance surfaces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.