Liquid formulation for ophtalmic devices
US9414908B2 · kind B2 · utility
5Cited by
5References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 13, 2012 |
| Grant date | Aug 16, 2016 |
| Priority date | — |
| Expiry date | Apr 13, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2250/0043
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
According to a first aspect, the invention relates to an intraocular variable focus implant comprising a non-conducting liquid with a melting temperature above 0° C., a conducting liquid, a liquid interface formed by the non-conducting and conducting liquids, a first electrode in contact with the conducting liquid, a second electrode insulated from the conducting liquid, wherein the liquid interface is movable by electro wetting according to a change in a voltage applied between the first and second electrodes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.