Optical cylinder and method of surface treatment of the same
US11471269B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Jul 26, 2017 |
| Grant date | Oct 18, 2022 |
| Priority date | — |
| Expiry date | Aug 12, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2430/16
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Disclosed is an optical cylinder of a corneal prosthesis comprising: a) an optical cylinder comprising a solid polymer, and b) a plurality of nanoparticles forming a substantially uniform layer on a circumference of the solid polymer surface of the optical cylinder. Also disclosed are methods of surface treatment of optical cylinders of corneal prostheses, and corneal prostheses thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.