CA2872437C - Tissue oximetry probe geometry for robust calibration and self-correction - Google Patents

Tissue oximetry probe geometry for robust calibration and self-correction Download PDF

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Publication number
CA2872437C
CA2872437C CA2872437A CA2872437A CA2872437C CA 2872437 C CA2872437 C CA 2872437C CA 2872437 A CA2872437 A CA 2872437A CA 2872437 A CA2872437 A CA 2872437A CA 2872437 C CA2872437 C CA 2872437C
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source
distance
detector
tissue
detector structure
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French (fr)
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CA2872437A1 (en
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Kate Leeann Bechtel
Brian WILFLEY
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ViOptix Inc
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ViOptix Inc
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    • 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
    • A—HUMAN NECESSITIES
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    • 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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    • A61B5/1495—Calibrating or testing of in-vivo probes
    • A—HUMAN NECESSITIES
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    • A61B5/14546—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 for measuring analytes not otherwise provided for, e.g. ions, cytochromes
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    • 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
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    • 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
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    • 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
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    • A—HUMAN NECESSITIES
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    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
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    • A61B90/30—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
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    • A61B2562/166—Details of sensor housings or probes; Details of structural supports for sensors the sensor is mounted on a specially adapted printed circuit board

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physiology (AREA)
  • Psychiatry (AREA)
  • Signal Processing (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Anesthesiology (AREA)
  • Hematology (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
CA2872437A 2012-05-03 2013-05-03 Tissue oximetry probe geometry for robust calibration and self-correction Active CA2872437C (en)

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
US201261642389P 2012-05-03 2012-05-03
US201261642399P 2012-05-03 2012-05-03
US201261642395P 2012-05-03 2012-05-03
US201261642393P 2012-05-03 2012-05-03
US61/642,389 2012-05-03
US61/642,393 2012-05-03
US61/642,399 2012-05-03
US61/642,395 2012-05-03
US201261682146P 2012-08-10 2012-08-10
US61/682,146 2012-08-10
PCT/US2013/039575 WO2013166461A1 (en) 2012-05-03 2013-05-03 Tissue oximetry probe geometry for robust calibration and self-correction

Publications (2)

Publication Number Publication Date
CA2872437A1 CA2872437A1 (en) 2013-11-07
CA2872437C true CA2872437C (en) 2020-06-16

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ID=49514930

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Application Number Title Priority Date Filing Date
CA2872437A Active CA2872437C (en) 2012-05-03 2013-05-03 Tissue oximetry probe geometry for robust calibration and self-correction

Country Status (8)

Country Link
US (33) US9186112B2 (https=)
EP (1) EP2844145B1 (https=)
JP (2) JP6257589B2 (https=)
KR (1) KR102085712B1 (https=)
CN (1) CN104411241B (https=)
CA (1) CA2872437C (https=)
HK (1) HK1202402A1 (https=)
WO (4) WO2013166465A1 (https=)

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