Implant having three-dimensional shape for electrically stimulating a nerve structure
US8774938B2 · kind B2 · utility
0Cited by
2References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 29, 2011 |
| Grant date | Jul 8, 2014 |
| Priority date | — |
| Expiry date | Apr 29, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61N1/37205
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention relates to an implant which includes, in order to electrically stimulate a nerve structure, in particular the retina, an electrically insulating substrate (1), a array of recesses (2) formed in an upper surface of the substrate, stimulation electrodes (3) arranged at the bottom of the recesses, and an electrically conductive layer forming a ground plane (4) at the upper portion of the recesses. The sizes of the recesses and of the electrodes of the implant are such that the spatial selectivity of the stimulation current applied to the nerve structure is maximized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.