Surgical burs with localized auxiliary flutes
US9955981B2 · kind B2 · utility
8Cited by
64References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 2015 |
| Grant date | May 1, 2018 |
| Priority date | — |
| Expiry date | Apr 14, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2017/00544
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A surgical bur including primary flutes and auxiliary flutes. The primary flutes include (i) first clearance surfaces, and (ii) first rake surfaces with first cutting edges. The primary flutes extend from a proximal end of the surgical bur to a distal end of the surgical bur. The auxiliary flutes are localized in central regions or distal regions of the surgical bur. The auxiliary flutes include (i) second clearance surfaces, and (ii) second rake surfaces with second cutting edges. At least one of the auxiliary flutes is located between a pair of adjacent ones of the primary flutes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.