WO2012114327A3 - Retinal prosthesis with efficient processing circuits - Google Patents

Retinal prosthesis with efficient processing circuits Download PDF

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Publication number
WO2012114327A3
WO2012114327A3 PCT/IL2012/000057 IL2012000057W WO2012114327A3 WO 2012114327 A3 WO2012114327 A3 WO 2012114327A3 IL 2012000057 W IL2012000057 W IL 2012000057W WO 2012114327 A3 WO2012114327 A3 WO 2012114327A3
Authority
WO
WIPO (PCT)
Prior art keywords
electrodes
processing circuits
efficient processing
retinal prosthesis
group
Prior art date
Application number
PCT/IL2012/000057
Other languages
French (fr)
Other versions
WO2012114327A2 (en
Inventor
Tuvia Liran
Ra'anan Gefen
Original Assignee
Nano-Retina, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nano-Retina, Inc. filed Critical Nano-Retina, Inc.
Priority to EP12748896.3A priority Critical patent/EP2677962B1/en
Publication of WO2012114327A2 publication Critical patent/WO2012114327A2/en
Publication of WO2012114327A3 publication Critical patent/WO2012114327A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/02—Prostheses implantable into the body
    • A61F2/14—Eye parts, e.g. lenses, corneal implants; Implanting instruments specially adapted therefor; Artificial eyes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/36046—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation of the eye

Abstract

A medical device includes an array of electrodes (26), configured for implantation in contact with tissue in an eye (22) of a living subject. Driver circuitry (46) is configured to drive the electrodes (26) in an alternating pattern, such that different groups of the electrodes are driven to stimulate the tissue during different, predetermined respective time periods. A power sensor (132), may be coupled to deactivate a first group of the electrodes when the available electrical power drops below a predetermined threshold, while a second group of the electrodes remains active. Other embodiments are also described.
PCT/IL2012/000057 2011-02-24 2012-02-02 Retinal prosthesis with efficient processing circuits WO2012114327A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12748896.3A EP2677962B1 (en) 2011-02-24 2012-02-02 Retinal prosthesis with efficient processing circuits

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/034,516 2011-02-24
US13/034,516 US8571669B2 (en) 2011-02-24 2011-02-24 Retinal prosthesis with efficient processing circuits

Publications (2)

Publication Number Publication Date
WO2012114327A2 WO2012114327A2 (en) 2012-08-30
WO2012114327A3 true WO2012114327A3 (en) 2015-06-18

Family

ID=46719528

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL2012/000057 WO2012114327A2 (en) 2011-02-24 2012-02-02 Retinal prosthesis with efficient processing circuits

Country Status (3)

Country Link
US (2) US8571669B2 (en)
EP (1) EP2677962B1 (en)
WO (1) WO2012114327A2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9331791B2 (en) 2014-01-21 2016-05-03 Nano Retina Ltd. Transfer of power and data
US9370417B2 (en) 2013-03-14 2016-06-21 Nano-Retina, Inc. Foveated retinal prosthesis
US9566191B2 (en) 2009-02-09 2017-02-14 Nano-Retina, Inc. Retinal prosthesis with visible-light filter

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US8150526B2 (en) 2009-02-09 2012-04-03 Nano-Retina, Inc. Retinal prosthesis
US8428740B2 (en) 2010-08-06 2013-04-23 Nano-Retina, Inc. Retinal prosthesis techniques
US8442641B2 (en) 2010-08-06 2013-05-14 Nano-Retina, Inc. Retinal prosthesis techniques
US8718784B2 (en) 2010-01-14 2014-05-06 Nano-Retina, Inc. Penetrating electrodes for retinal stimulation
US8571669B2 (en) 2011-02-24 2013-10-29 Nano-Retina, Inc. Retinal prosthesis with efficient processing circuits
US9720477B2 (en) * 2012-11-21 2017-08-01 Nano-Retina, Inc. Weak power supply operation and control
US10121533B2 (en) 2012-11-21 2018-11-06 Nano-Retina, Inc. Techniques for data retention in memory cells during power interruption
KR20140072524A (en) * 2012-12-05 2014-06-13 현대자동차주식회사 Apparatus for measuring fatigue degree of driver's eye
US9474902B2 (en) 2013-12-31 2016-10-25 Nano Retina Ltd. Wearable apparatus for delivery of power to a retinal prosthesis
CN106691677A (en) * 2015-07-21 2017-05-24 林伯刚 Retina chip driven by light source
WO2017100545A1 (en) 2015-12-10 2017-06-15 Nano-Retina, Inc. Techniques for data retention in memory cells during power interruption
US10272244B2 (en) 2016-11-03 2019-04-30 Nano Retina Ltd. Retinal implant fixation
US10226625B2 (en) 2016-11-03 2019-03-12 Nano Retina Ltd. Surgical techniques for implantation of a retinal implant
KR101856014B1 (en) 2016-12-05 2018-05-11 고려대학교 산학협력단 Artificial retina system
KR101941892B1 (en) * 2017-03-23 2019-01-28 고려대학교 산학협력단 Artificial retina system for improving contrast sensitivity
US10583283B2 (en) 2018-01-31 2020-03-10 Nano-Retina, Inc. Retinal implant with image registration
KR102196461B1 (en) * 2019-08-27 2020-12-29 아주대학교산학협력단 Epiretinal artificial retinal device
CN111603676B (en) * 2020-04-11 2023-04-07 复旦大学 Flexible artificial retina stimulation chip
KR102332169B1 (en) * 2021-02-24 2021-12-01 주식회사 셀리코 Retinal implant system based on augmented reality

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