KR101856015B1 - 인공 망막 시스템 - Google Patents
인공 망막 시스템 Download PDFInfo
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- KR101856015B1 KR101856015B1 KR1020160164235A KR20160164235A KR101856015B1 KR 101856015 B1 KR101856015 B1 KR 101856015B1 KR 1020160164235 A KR1020160164235 A KR 1020160164235A KR 20160164235 A KR20160164235 A KR 20160164235A KR 101856015 B1 KR101856015 B1 KR 101856015B1
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- 210000001525 retina Anatomy 0.000 title claims abstract description 76
- 230000007177 brain activity Effects 0.000 claims abstract description 40
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- 238000000034 method Methods 0.000 claims description 11
- 230000004936 stimulating effect Effects 0.000 claims description 7
- 230000002238 attenuated effect Effects 0.000 claims description 3
- 108091008695 photoreceptors Proteins 0.000 abstract description 16
- 210000004027 cell Anatomy 0.000 description 75
- 230000000007 visual effect Effects 0.000 description 18
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- 208000007014 Retinitis pigmentosa Diseases 0.000 description 8
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 8
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- 201000010099 disease Diseases 0.000 description 5
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- 230000002207 retinal effect Effects 0.000 description 4
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- 230000002051 biphasic effect Effects 0.000 description 2
- 230000004438 eyesight Effects 0.000 description 2
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- 238000001415 gene therapy Methods 0.000 description 2
- 210000000869 occipital lobe Anatomy 0.000 description 2
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- 208000010415 Low Vision Diseases 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
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- 230000005779 cell damage Effects 0.000 description 1
- 208000037887 cell injury Diseases 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
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- 239000003814 drug Substances 0.000 description 1
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- 239000000835 fiber Substances 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
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- 239000012528 membrane Substances 0.000 description 1
- 208000015122 neurodegenerative disease Diseases 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 210000001328 optic nerve Anatomy 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 210000003583 retinal pigment epithelium Anatomy 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000009168 stem cell therapy Methods 0.000 description 1
- 238000009580 stem-cell therapy Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
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- 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
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0075—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence by spectroscopy, i.e. measuring spectra, e.g. Raman spectroscopy, infrared absorption spectroscopy
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- A61B5/0476—
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/369—Electroencephalography [EEG]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7225—Details of analogue processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation
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- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/08—Arrangements or circuits for monitoring, protecting, controlling or indicating
-
- 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
- A61N1/3605—Implantable neurostimulators for stimulating central or peripheral nerve system
- A61N1/3606—Implantable neurostimulators for stimulating central or peripheral nerve system adapted for a particular treatment
- A61N1/36103—Neuro-rehabilitation; Repair or reorganisation of neural tissue, e.g. after stroke
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- 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
- A61N1/3605—Implantable neurostimulators for stimulating central or peripheral nerve system
- A61N1/36128—Control systems
-
- 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
- A61N1/372—Arrangements in connection with the implantation of stimulators
- A61N1/37211—Means for communicating with stimulators
- A61N1/37252—Details of algorithms or data aspects of communication system, e.g. handshaking, transmitting specific data or segmenting data
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Abstract
Description
도 2는 본 발명의 실시예에 따른 인공 망막 시스템을 나타낸 블록도이다.
도 3은 본 발명의 실시예에 따른 인공 망막의 위치를 개략적으로 나타낸 도면이다.
도 4는 본 발명의 실시예에 따른 인공 망막의 구조를 설명하기 위한 개념도이다.
도 5는 본 발명의 실시예에 따른 마이크로컴퓨터를 설명하기 위한 개념도이다.
도 6 및 도 7은 본 발명의 실시예에 따른 인공 망막 시스템의 동작을 설명하기 위한 도면이다.
도 8은 본 발명의 실시예에 따른 증폭기의 일 실시예를 나타낸 도면이다.
G: 신경절 세포(Ganglion cell)
B: 양극 세포(Bipolar cell)
V: 시세포(Visual cell)
100: 인공 망막
110: 포토다이오드 셀
111: 포토다이오드
112: 증폭기
113: 컨버터
114: 자극전극
120: 리턴전극
200: 마이크로컴퓨터
210: 통신부
220: 컨트롤러
230: 메모리
300: 배터리
400: 외부전원
500: 외부 컴퓨터
600: 뇌 활동 측정 장치
700: 사용자 입력부
800: 디스플레이부
Claims (9)
- 망막 하부에 장착되며, 외부로부터 유입되는 빛을 전기 신호로 변환하는 포토다이오드(111)와, 상기 포토다이오드(111)에서 변환된 전기 신호를 증폭 또는 감쇠하는 증폭기(112) 및 상기 증폭기(112)에 의해 증폭 또는 감쇠된 전기 신호로 대응하는 시세포를 자극하는 자극 전극(114)을 포함하는, 복수의 포토다이오드 셀(110)들을 포함하는 인공망막(100);
각 포토다이오드 셀(110)의 자극 전극(114)에 의한 전기 자극에 따른 뇌 활동 정보를 측정하는 뇌 활동 측정장치(600); 및
상기 측정된 뇌 활동 정보가 미리 결정된 기준 뇌 활동 정보에 일치하도록 상기 증폭기(112)의 게인 값을 증폭 또는 감쇠하는 컨트롤러(220)와, 상기 컨트롤러(220)에 의해 증폭 또는 감쇠된 게인 값들이 저장되는 메모리(230)를 포함하는 마이크로컴퓨터(200);를 포함하며,
상기 각 포토다이오드 셀(110)에 대응되는 시세포 그룹의 시세포를 상기 마이크로컴퓨터(200)에 의해 제어된 전기 신호로 자극하는,
인공 망막 시스템. - 삭제
- 제1항에 있어서,
상기 각 포토다이오드 셀(110)은,
상기 포토다이오드 셀(110)로부터 출력되는 전기 신호가 바이페이직 전기 신호의 형태를 갖도록 하는 컨버터(113)를 더 포함하는,
인공 망막 시스템. - 삭제
- 삭제
- 삭제
- 제1항에 있어서,
사용자 명령을 입력받는 사용자 입력부(700); 및
상기 사용자 명령에 따라 상기 마이크로컴퓨터(200)를 실행하는 외부 컴퓨터(500);를 더 포함하는,
인공 망막 시스템. - 제7항에 있어서,
상기 마이크로컴퓨터(200)는,
상기 외부 컴퓨터(500)와 무선으로 통신하기 위한 통신부(210)를 더 포함하는,
인공 망막 시스템. - 제1항에 있어서,
상기 뇌 활동 정보는 MRI 영상 정보 또는 뇌파 정보인,
인공 망막 시스템.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020160164235A KR101856015B1 (ko) | 2016-12-05 | 2016-12-05 | 인공 망막 시스템 |
| PCT/KR2017/013756 WO2018105940A1 (ko) | 2016-12-05 | 2017-11-29 | 인공 망막 시스템 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020160164235A KR101856015B1 (ko) | 2016-12-05 | 2016-12-05 | 인공 망막 시스템 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR101856015B1 true KR101856015B1 (ko) | 2018-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020160164235A Active KR101856015B1 (ko) | 2016-12-05 | 2016-12-05 | 인공 망막 시스템 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR101856015B1 (ko) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020111826A1 (ko) * | 2018-11-28 | 2020-06-04 | 주식회사 화이바이오메드 | 스마트 포토닉 렌즈를 이용한 전자약 시스템 제조 및 응용 |
| KR102168044B1 (ko) * | 2020-07-22 | 2020-10-20 | 주식회사 셀리코 | 고해상도 인공망막 장치를 위한 고속 무선 데이터 수신 장치 |
| KR20210099262A (ko) | 2020-02-04 | 2021-08-12 | 한국과학기술연구원 | 인공망막에 적용가능한 탄소나노튜브 미세 전극 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005279001A (ja) * | 2004-03-30 | 2005-10-13 | Nidek Co Ltd | 視覚再生補助装置 |
| JP2010504179A (ja) * | 2006-09-26 | 2010-02-12 | レティーナ インプラント アーゲー | インプラント装置 |
| JP2010512866A (ja) * | 2006-12-22 | 2010-04-30 | エーベーエス テヒノロギーズ ゲーエムベーハー | ヒトの脳を刺激する装置および方法 |
-
2016
- 2016-12-05 KR KR1020160164235A patent/KR101856015B1/ko active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005279001A (ja) * | 2004-03-30 | 2005-10-13 | Nidek Co Ltd | 視覚再生補助装置 |
| JP2010504179A (ja) * | 2006-09-26 | 2010-02-12 | レティーナ インプラント アーゲー | インプラント装置 |
| JP2010512866A (ja) * | 2006-12-22 | 2010-04-30 | エーベーエス テヒノロギーズ ゲーエムベーハー | ヒトの脳を刺激する装置および方法 |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020111826A1 (ko) * | 2018-11-28 | 2020-06-04 | 주식회사 화이바이오메드 | 스마트 포토닉 렌즈를 이용한 전자약 시스템 제조 및 응용 |
| KR20200064018A (ko) * | 2018-11-28 | 2020-06-05 | (주)화이바이오메드 | 스마트 포토닉 렌즈를 이용한 전자약 시스템 제조 및 응용 |
| JP2021511085A (ja) * | 2018-11-28 | 2021-05-06 | ファイ・バイオメド・インコーポレイテッドPhi Biomed Inc. | スマートフォトニックレンズを利用した電子薬システムの製造および応用 |
| KR102393104B1 (ko) * | 2018-11-28 | 2022-05-03 | (주)화이바이오메드 | 스마트 포토닉 렌즈를 이용한 광전 임플란트 시스템 제조 및 응용 |
| JP7101763B2 (ja) | 2018-11-28 | 2022-07-15 | ファイ・バイオメド・インコーポレイテッド | スマートフォトニックレンズを利用した電子薬システムの製造および応用 |
| KR20210099262A (ko) | 2020-02-04 | 2021-08-12 | 한국과학기술연구원 | 인공망막에 적용가능한 탄소나노튜브 미세 전극 |
| KR102168044B1 (ko) * | 2020-07-22 | 2020-10-20 | 주식회사 셀리코 | 고해상도 인공망막 장치를 위한 고속 무선 데이터 수신 장치 |
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