CA2999173A1 - Optical sensors, systems and methods of using same - Google Patents

Optical sensors, systems and methods of using same Download PDF

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Publication number
CA2999173A1
CA2999173A1 CA2999173A CA2999173A CA2999173A1 CA 2999173 A1 CA2999173 A1 CA 2999173A1 CA 2999173 A CA2999173 A CA 2999173A CA 2999173 A CA2999173 A CA 2999173A CA 2999173 A1 CA2999173 A1 CA 2999173A1
Authority
CA
Canada
Prior art keywords
spr
signal
sensor
sensing surface
generate
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
CA2999173A
Other languages
English (en)
French (fr)
Inventor
Paul T. Gavaris
Chris D. Geddes
Ali H. GHOVANLOU
Jay M. Eastman
Zachary M. Eastman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lacriscience LLC
Original Assignee
Lacriscience LLC
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 Lacriscience LLC filed Critical Lacriscience LLC
Publication of CA2999173A1 publication Critical patent/CA2999173A1/en
Abandoned legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/101—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for examining the tear film
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/0016—Operational features thereof
    • A61B3/0025—Operational features thereof characterised by electronic signal processing, e.g. eye models
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/14—Arrangements specially adapted for eye photography
    • A61B3/145—Arrangements specially adapted for eye photography by video means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/43—Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/55—Specular reflectivity
    • G01N21/552—Attenuated total reflection
    • G01N21/553—Attenuated total reflection and using surface plasmons
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2800/00—Detection or diagnosis of diseases
    • G01N2800/16—Ophthalmology

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Biochemistry (AREA)
  • Medical Informatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Eye Examination Apparatus (AREA)
CA2999173A 2015-09-24 2016-09-23 Optical sensors, systems and methods of using same Abandoned CA2999173A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562232320P 2015-09-24 2015-09-24
US62/232,320 2015-09-24
US201562254099P 2015-11-11 2015-11-11
US62/254,099 2015-11-11
PCT/US2016/053522 WO2017053853A2 (en) 2015-09-24 2016-09-23 Optical sensors, systems and methods of using same

Publications (1)

Publication Number Publication Date
CA2999173A1 true CA2999173A1 (en) 2017-03-30

Family

ID=57138122

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2999173A Abandoned CA2999173A1 (en) 2015-09-24 2016-09-23 Optical sensors, systems and methods of using same

Country Status (8)

Country Link
US (3) US10682050B2 (https=)
EP (1) EP3353531B1 (https=)
JP (2) JP6953411B2 (https=)
KR (1) KR102652349B1 (https=)
CN (1) CN108700513B (https=)
AU (1) AU2016325627B2 (https=)
CA (1) CA2999173A1 (https=)
WO (1) WO2017053853A2 (https=)

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US12099009B2 (en) * 2018-10-04 2024-09-24 Academia Sinica Method and apparatus for surface plasmon resonance imaging
CN110836868A (zh) * 2019-11-27 2020-02-25 中国石油大学(华东) 基于贵金属/绝缘体纳米复合材料的局域化表面等离子体共振传感器
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CN113842109A (zh) * 2021-09-01 2021-12-28 四川大学华西医院 一种干眼检测手持成像装置和干眼检测设备
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Also Published As

Publication number Publication date
KR20180088636A (ko) 2018-08-06
US20180263489A1 (en) 2018-09-20
EP3353531B1 (en) 2024-06-19
US11980418B2 (en) 2024-05-14
EP3353531C0 (en) 2024-06-19
US20200383565A1 (en) 2020-12-10
WO2017053853A2 (en) 2017-03-30
JP2018531397A (ja) 2018-10-25
JP7263468B2 (ja) 2023-04-24
JP6953411B2 (ja) 2021-10-27
US20230000340A1 (en) 2023-01-05
KR102652349B1 (ko) 2024-03-27
CN108700513A (zh) 2018-10-23
US11406259B2 (en) 2022-08-09
CN108700513B (zh) 2022-07-05
WO2017053853A3 (en) 2017-05-11
US10682050B2 (en) 2020-06-16
AU2016325627A1 (en) 2018-04-26
EP3353531A2 (en) 2018-08-01
AU2016325627B2 (en) 2021-11-25
JP2022008642A (ja) 2022-01-13

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Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20210923

FZDE Discontinued

Effective date: 20240318