CA3021460A1 - Determining absolute and relative tissue oxygen saturation - Google Patents

Determining absolute and relative tissue oxygen saturation Download PDF

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Publication number
CA3021460A1
CA3021460A1 CA3021460A CA3021460A CA3021460A1 CA 3021460 A1 CA3021460 A1 CA 3021460A1 CA 3021460 A CA3021460 A CA 3021460A CA 3021460 A CA3021460 A CA 3021460A CA 3021460 A1 CA3021460 A1 CA 3021460A1
Authority
CA
Canada
Prior art keywords
oxygen saturation
tissue
value
oximeter
detector
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.)
Pending
Application number
CA3021460A
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English (en)
French (fr)
Inventor
Kate Leeann Bechtel
Robert LOHMAN
Risal DJOHAN
Scott COLERIDGE
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.)
ViOptix Inc
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ViOptix 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
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Application filed by ViOptix Inc filed Critical ViOptix Inc
Publication of CA3021460A1 publication Critical patent/CA3021460A1/en
Pending legal-status Critical Current

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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
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
    • A61B5/14552—Details of sensors specially adapted therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/48—Other medical applications
    • A61B5/4848—Monitoring or testing the effects of treatment, e.g. of medication
    • 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
    • A61B5/7221—Determining signal validity, reliability or quality
    • 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
    • A61B5/7271—Specific aspects of physiological measurement analysis
    • A61B5/7275—Determining trends in physiological measurement data; Predicting development of a medical condition based on physiological measurements, e.g. determining a risk factor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/74—Details of notification to user or communication with user or patient; User input means
    • A61B5/742—Details of notification to user or communication with user or patient; User input means using visual displays
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/74—Details of notification to user or communication with user or patient; User input means
    • A61B5/742—Details of notification to user or communication with user or patient; User input means using visual displays
    • A61B5/743—Displaying an image simultaneously with additional graphical information, e.g. symbols, charts, function plots
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/74—Details of notification to user or communication with user or patient; User input means
    • A61B5/7475—User input or interface means, e.g. keyboard, pointing device, joystick
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/02—Operational features
    • A61B2560/0204—Operational features of power management
    • A61B2560/0214—Operational features of power management of power generation or supply
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/04—Constructional details of apparatus
    • A61B2560/0406—Constructional details of apparatus specially shaped apparatus housings
    • A61B2560/0425—Ergonomically shaped housings
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/04—Constructional details of apparatus
    • A61B2560/0475—Special features of memory means, e.g. removable memory cards
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0233—Special features of optical sensors or probes classified in A61B5/00
    • A61B2562/0238—Optical sensor arrangements for performing transmission measurements on body tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0233—Special features of optical sensors or probes classified in A61B5/00
    • A61B2562/0242—Special features of optical sensors or probes classified in A61B5/00 for varying or adjusting the optical path length in the tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/04—Arrangements of multiple sensors of the same type
    • A61B2562/046—Arrangements of multiple sensors of the same type in a matrix array

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Psychiatry (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physiology (AREA)
  • Artificial Intelligence (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CA3021460A 2016-04-22 2017-04-24 Determining absolute and relative tissue oxygen saturation Pending CA3021460A1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201662326644P 2016-04-22 2016-04-22
US201662326630P 2016-04-22 2016-04-22
US201662326673P 2016-04-22 2016-04-22
US62/326,630 2016-04-22
US62/326,644 2016-04-22
US62/326,673 2016-04-22
PCT/US2017/029221 WO2017185104A1 (en) 2016-04-22 2017-04-24 Determining absolute and relative tissue oxygen saturation

Publications (1)

Publication Number Publication Date
CA3021460A1 true CA3021460A1 (en) 2017-10-26

Family

ID=60089163

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3021460A Pending CA3021460A1 (en) 2016-04-22 2017-04-24 Determining absolute and relative tissue oxygen saturation

Country Status (8)

Country Link
US (8) US10786187B2 (enExample)
EP (2) EP3445244A4 (enExample)
JP (2) JP6992003B2 (enExample)
KR (1) KR102427034B1 (enExample)
CN (1) CN109310374B (enExample)
CA (1) CA3021460A1 (enExample)
MX (1) MX2018012831A (enExample)
WO (2) WO2017185104A1 (enExample)

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Also Published As

Publication number Publication date
BR112018071581A2 (pt) 2019-02-12
US20250352098A1 (en) 2025-11-20
KR102427034B1 (ko) 2022-07-29
JP2021184812A (ja) 2021-12-09
EP4162873A1 (en) 2023-04-12
EP3445244A1 (en) 2019-02-27
US12070311B2 (en) 2024-08-27
US20170303835A1 (en) 2017-10-26
US10786187B2 (en) 2020-09-29
US20230240568A1 (en) 2023-08-03
JP7331050B2 (ja) 2023-08-22
US20240415427A1 (en) 2024-12-19
US10849536B2 (en) 2020-12-01
EP3445244A4 (en) 2019-12-11
US20170303837A1 (en) 2017-10-26
EP4162873B1 (en) 2025-10-01
JP2019516444A (ja) 2019-06-20
US11589784B2 (en) 2023-02-28
US20210077000A1 (en) 2021-03-18
MX2018012831A (es) 2019-03-28
WO2017185104A1 (en) 2017-10-26
US12016689B2 (en) 2024-06-25
US20240341642A1 (en) 2024-10-17
BR112018071581A8 (pt) 2023-03-14
CN109310374B (zh) 2022-12-30
WO2017185103A1 (en) 2017-10-26
US20210007649A1 (en) 2021-01-14
CN109310374A (zh) 2019-02-05
JP6992003B2 (ja) 2022-02-03
KR20180131614A (ko) 2018-12-10
US12376769B2 (en) 2025-08-05

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