Arthroscopic devices and methods
US11504152B2 · kind B2 · utility
1Cited by
3References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2019 |
| Grant date | Nov 22, 2022 |
| Priority date | — |
| Expiry date | Feb 25, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2217/005
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A medical device for cutting bone and soft tissue includes a shaft having a rotating component with a distal working end. A cutting member is carried on the working end of the rotating component and a motor rotates the rotating component. The cutting member has a ceramic body with cutting edges, and the ceramic body is formed of a ceramic composite including alumina and zirconia, wherein the alumina has a grain size ranging between 0.5-1.5 microns and the zirconia has a grain size ranging between 0.1-1.0 micron. The alumina grain shape and zirconia grain shape are non-elongated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.