Donor corneal cutting blade
US11285044B2 · kind B2 · utility
0Cited by
3References
4Claims
0Family size
Inventor
Key dates
| Filing date | Oct 24, 2019 |
| Grant date | Mar 29, 2022 |
| Priority date | — |
| Expiry date | Oct 24, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2240/001
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A donor corneal tissue cutting blade provided with integrally formed asymmetrical markers for facilitation identification of the anterior and posterior sections or portions of the donor corneal tissue is disclosed. The blade is a cylindrical body having, in one embodiment, a U-shaped extension which cooperates with the body to define a keyway. Protrusions may be formed on the body and/or extension to provide further markers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.