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FI20021938A7 - Keinotekoinen verkkokalvoväline, jossa on stimulointi- ja maadoituspaluuelektrodeja sijoitettuina neuroretinan vastakkaisille puolille, ja kiinnitysmenetelmä - Google Patents

Keinotekoinen verkkokalvoväline, jossa on stimulointi- ja maadoituspaluuelektrodeja sijoitettuina neuroretinan vastakkaisille puolille, ja kiinnitysmenetelmä Download PDF

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Publication number
FI20021938A7
FI20021938A7 FI20021938A FI20021938A FI20021938A7 FI 20021938 A7 FI20021938 A7 FI 20021938A7 FI 20021938 A FI20021938 A FI 20021938A FI 20021938 A FI20021938 A FI 20021938A FI 20021938 A7 FI20021938 A7 FI 20021938A7
Authority
FI
Finland
Prior art keywords
electrode unit
ground return
neuroretina
stimulation
opposite sides
Prior art date
Application number
FI20021938A
Other languages
English (en)
Swedish (sv)
Other versions
FI20021938L (fi
Inventor
Vincent Chow
Alan Y Chow
Original Assignee
Optobionics Corp
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 Optobionics Corp filed Critical Optobionics Corp
Publication of FI20021938A7 publication Critical patent/FI20021938A7/fi
Publication of FI20021938L publication Critical patent/FI20021938L/fi

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 or corneal implants; Artificial eyes
    • 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
    • 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
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/08—Devices or methods enabling eye-patients to replace direct visual perception by another kind of perception

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Ophthalmology & Optometry (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Cardiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Transplantation (AREA)
  • Vascular Medicine (AREA)
  • Prostheses (AREA)
  • Electrotherapy Devices (AREA)
  • Materials For Medical Uses (AREA)
  • Eye Examination Apparatus (AREA)

Abstract

Keinotekoinen verkkokalvoväline, joka on implantoitu silmän subretinaaliseen tilaan henkilöillä, joilla on retinaalisen sokeuden tiettyjä tyyppejä, käsittää keinotekoisen näköaistin, joka saadaan aikaan verkkokalvon jäljellä olevien elinkykyisten solujen sähköstimulaatiolla. Keinotekoinen verkkokalvoväline käsittää stimulaatioelektrodiyksikön (12), joka on edullisesti sijoitettu subretinaaliseen tilaan, ja häntämäisen jatko-osan (30), jossa on maadoituselektrodiyksikkö (16), joka voidaan sijoittaa lasiaisonteloon. Stimulointielektrodiyksikkö käsittää elektrodialiyksikköryhmän. Kukin elektrodialiyksikkö käsittää yhden tai useampia mikrovalodiodeja, jotka on kytketty sähköisesti esimerkiksi sarjaan, jotta saadaan kasvatettua jännitettä ja virtaa mikroelektrodiin. Stimulaatioelektrodiyksikkö (12) ja maadoituspaluuelektrodiyksikön (16) maadoituspaluuelektrodi on edullisesti sijoitettu neuroretinan vastakkaisille puolille neuroretinaalisten solujen tehokkaan ja korkearesoluutioisen transretinaalisen sähköstimulaation aikaansaamiseksi.&sr;(kuvio 7)
FI20021938A 2000-05-04 2001-05-01 Keinotekoinen verkkokalvoväline, jossa on stimulointi- ja maadoituspaluuelekrodeja sijoitettuina neuroretinan vastakkaisille puolille, ja kiinnitysmenetelmä FI20021938L (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/564,841 US6427087B1 (en) 2000-05-04 2000-05-04 Artificial retina device with stimulating and ground return electrodes disposed on opposite sides of the neuroretina and method of attachment
PCT/US2001/014015 WO2001083026A1 (en) 2000-05-04 2001-05-01 Artificial retina device with stimulating and ground return electrodes disposed on opposite sides of the neuroretina and method of attachment

Publications (2)

Publication Number Publication Date
FI20021938A7 true FI20021938A7 (fi) 2002-10-31
FI20021938L FI20021938L (fi) 2002-11-02

Family

ID=24256113

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20021938A FI20021938L (fi) 2000-05-04 2001-05-01 Keinotekoinen verkkokalvoväline, jossa on stimulointi- ja maadoituspaluuelekrodeja sijoitettuina neuroretinan vastakkaisille puolille, ja kiinnitysmenetelmä

Country Status (22)

Country Link
US (4) US6427087B1 (fi)
EP (3) EP2289594B9 (fi)
JP (1) JP4945046B2 (fi)
KR (1) KR20030003727A (fi)
CN (1) CN1438906A (fi)
AT (1) ATE460956T1 (fi)
AU (2) AU2001255783B2 (fi)
BR (1) BR0110550A (fi)
CA (1) CA2407360C (fi)
CZ (1) CZ20023624A3 (fi)
DE (1) DE60141574D1 (fi)
ES (3) ES2509500T3 (fi)
FI (1) FI20021938L (fi)
HU (1) HUP0302506A3 (fi)
IL (1) IL152322A0 (fi)
MX (1) MXPA02010775A (fi)
NO (1) NO20025250L (fi)
NZ (1) NZ521976A (fi)
PL (1) PL365419A1 (fi)
RU (1) RU2002128726A (fi)
WO (1) WO2001083026A1 (fi)
ZA (1) ZA200208540B (fi)

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