The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 26, 2021
Filed:
Aug. 31, 2017
Gachon University of Industry-academic Cooperation Foundation, Seongnam-si, KR;
Korea University Research and Business Foundation, Seoul, KR;
Jungsuk Kim, Yongin-si, KR;
Seong-woo Kim, Seoul, KR;
GACHON UNIVERSITY OF INDUSTRY-ACADEMIC COOPERATION FOUNDATION, Seongnam-si, KR;
KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, Seoul, KR;
Abstract
A subretinal prosthetic device includes a substrate provided under a retina, a return electrode for receiving a current such that a ground is formed on the substrate, a plurality of stimulating electrodes provided on the substrate and for generating an active potential to an optic nerve in response to external visual information projected onto the retina, and a switch for controlling the current between each of the plurality of stimulating electrodes and the return electrode. The switch is connected between the plurality of stimulating electrodes and the return electrode to ground the plurality of stimulating electrodes to the return electrode in response to an on or off control signal.