Contact lens for vitreoretinal surgery
US9339184B2 · kind B2 · utility
3Cited by
4References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 9, 2014 |
| Grant date | May 17, 2016 |
| Priority date | — |
| Expiry date | Apr 9, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F9/00736
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A contact lens assembly has a central lens and a circumscribing flange, the lens having an eye contact surface shaped generally to a radius of curvature of a cornea of an eye. The flange comprises a sterile sponge-like liquid absorbent flexible material having a central aperture for fitting snugly about an outer circumference of the lens and extending radially outward therefrom. The flange may include an inner attachment ring for attachment to the outer circumference of the central contact lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.