WO2014141089A3 - Foveated retinal prosthesis - Google Patents

Foveated retinal prosthesis Download PDF

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Publication number
WO2014141089A3
WO2014141089A3 PCT/IB2014/059672 IB2014059672W WO2014141089A3 WO 2014141089 A3 WO2014141089 A3 WO 2014141089A3 IB 2014059672 W IB2014059672 W IB 2014059672W WO 2014141089 A3 WO2014141089 A3 WO 2014141089A3
Authority
WO
WIPO (PCT)
Prior art keywords
photosensors
array
intraocular device
foveated
eye
Prior art date
Application number
PCT/IB2014/059672
Other languages
French (fr)
Other versions
WO2014141089A2 (en
Inventor
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 CN201480012642.1A priority Critical patent/CN105025982B/en
Priority to EP14716415.6A priority patent/EP2968934A2/en
Publication of WO2014141089A2 publication Critical patent/WO2014141089A2/en
Publication of WO2014141089A3 publication Critical patent/WO2014141089A3/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
    • A61F2/16—Intraocular lenses
    • A61F2/1613—Intraocular lenses having special lens configurations, e.g. multipart lenses; having particular optical properties, e.g. pseudo-accommodative lenses, lenses having aberration corrections, diffractive lenses, lenses for variably absorbing electromagnetic radiation, lenses having variable focus
    • A61F2/1624—Intraocular lenses having special lens configurations, e.g. multipart lenses; having particular optical properties, e.g. pseudo-accommodative lenses, lenses having aberration corrections, diffractive lenses, lenses for variably absorbing electromagnetic radiation, lenses having variable focus having adjustable focus; power activated variable focus means, e.g. mechanically or electrically by the ciliary muscle or from the outside
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/02—Details
    • A61N1/04—Electrodes
    • A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
    • A61N1/0526—Head electrodes
    • A61N1/0543—Retinal electrodes
    • 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

An apparatus is provided having an intraocular device (20) for implantation entirely in a subject's eye, the intraocular device (20) including: a photosensor array (22) having a plurality of photosensors (24), each photosensor (24) detecting ambient photons and generating a signal in response thereto. A spatial density of the photosensors (24) in a central portion (26) of the array (22) is greater than a spatial density of the photosensors (24) in an outer portion (28) of the array (22). The intraocular device (20) additionally includes a plurality of stimulating electrodes (30) and driving circuitry (32) coupled to the photosensors (24), and configured to drive the electrodes (30) to apply electrical pulses to a retina of the eye in response to the signals from the photosensors (24). Other applications are also described.
PCT/IB2014/059672 2013-03-14 2014-03-12 Foveated retinal prosthesis WO2014141089A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201480012642.1A CN105025982B (en) 2013-03-14 2014-03-12 Central fovea retina prosthese
EP14716415.6A EP2968934A2 (en) 2013-03-14 2014-03-12 Foveated retinal prosthesis

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/827,919 2013-03-14
US13/827,919 US9370417B2 (en) 2013-03-14 2013-03-14 Foveated retinal prosthesis

Publications (2)

Publication Number Publication Date
WO2014141089A2 WO2014141089A2 (en) 2014-09-18
WO2014141089A3 true WO2014141089A3 (en) 2015-02-19

Family

ID=50473717

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2014/059672 WO2014141089A2 (en) 2013-03-14 2014-03-12 Foveated retinal prosthesis

Country Status (4)

Country Link
US (1) US9370417B2 (en)
EP (1) EP2968934A2 (en)
CN (1) CN105025982B (en)
WO (1) WO2014141089A2 (en)

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* Cited by examiner, † Cited by third party
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US9331791B2 (en) 2014-01-21 2016-05-03 Nano Retina Ltd. Transfer of power and data
WO2017100545A1 (en) 2015-12-10 2017-06-15 Nano-Retina, Inc. Techniques for data retention in memory cells during power interruption
AU2017280110A1 (en) * 2016-06-23 2019-02-07 Newsouth Innovations Pty Limited A method and apparatus for facilitating artificial vision
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
US10583283B2 (en) 2018-01-31 2020-03-10 Nano-Retina, Inc. Retinal implant with image registration
US20210370065A1 (en) * 2018-05-02 2021-12-02 Nano-Retina Ltd. Retinal implant fixation apparatus and techniques
WO2020072468A1 (en) 2018-10-01 2020-04-09 Biovisics Medical, Llc System and methods for controlled electrical modulation for vision therapy
EP3886974A2 (en) 2018-11-30 2021-10-06 Biovisics Medical, Inc. Head worn apparatuses for vision therapy
US11471680B2 (en) 2019-04-10 2022-10-18 Biovisics, Inc. Systems and interfaces for ocular therapy
US11511112B2 (en) 2019-06-14 2022-11-29 Biovisics Medical, Inc. Wearable medical device

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US20080288067A1 (en) * 2007-05-10 2008-11-20 Newcyte, Inc. Artificial retinal implant
US20100249877A1 (en) * 2007-11-21 2010-09-30 The Trustees Of Boston College Apparatus and Methods for Visual Perception Using an Array of Nanoscale Waveguides
WO2011163262A2 (en) * 2010-06-21 2011-12-29 The Regents Of The University Of California Ultra-high photosensitivity vertical nanowire arrays for retinal prosthesis
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