CA2824033A1 - Continuous spectroscopic measurement of total hemoglobin - Google Patents

Continuous spectroscopic measurement of total hemoglobin Download PDF

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Publication number
CA2824033A1
CA2824033A1 CA2824033A CA2824033A CA2824033A1 CA 2824033 A1 CA2824033 A1 CA 2824033A1 CA 2824033 A CA2824033 A CA 2824033A CA 2824033 A CA2824033 A CA 2824033A CA 2824033 A1 CA2824033 A1 CA 2824033A1
Authority
CA
Canada
Prior art keywords
light
wavelength
light source
thb
absorbance
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
CA2824033A
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English (en)
French (fr)
Inventor
Michael J. Higgins
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.)
Edwards Lifesciences Corp
Original Assignee
Edwards Lifesciences 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 Edwards Lifesciences Corp filed Critical Edwards Lifesciences Corp
Publication of CA2824033A1 publication Critical patent/CA2824033A1/en
Abandoned legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/145Measuring 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
    • A61B5/14535Measuring 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 haematocrit
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0075Measuring 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0082Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
    • A61B5/0084Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for introduction into the body, e.g. by catheters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0082Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
    • A61B5/0084Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for introduction into the body, e.g. by catheters
    • A61B5/0086Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for introduction into the body, e.g. by catheters using infrared radiation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/41Detecting, measuring or recording for evaluating the immune or lymphatic systems
    • A61B5/414Evaluating particular organs or parts of the immune or lymphatic systems
    • A61B5/417Evaluating particular organs or parts of the immune or lymphatic systems the bone marrow
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/483Physical analysis of biological material
    • G01N33/487Physical analysis of biological material of liquid biological material
    • G01N33/49Blood
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/72Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7203Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Medical Informatics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Hematology (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Urology & Nephrology (AREA)
  • Vascular Medicine (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Ecology (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CA2824033A 2005-09-13 2006-09-13 Continuous spectroscopic measurement of total hemoglobin Abandoned CA2824033A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US71669505P 2005-09-13 2005-09-13
US60/716,695 2005-09-13
CA2610753A CA2610753C (en) 2005-09-13 2006-09-13 Continuous spectroscopic measurement of total hemoglobin

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA2610753A Division CA2610753C (en) 2005-09-13 2006-09-13 Continuous spectroscopic measurement of total hemoglobin

Publications (1)

Publication Number Publication Date
CA2824033A1 true CA2824033A1 (en) 2007-03-22

Family

ID=37499523

Family Applications (2)

Application Number Title Priority Date Filing Date
CA2824033A Abandoned CA2824033A1 (en) 2005-09-13 2006-09-13 Continuous spectroscopic measurement of total hemoglobin
CA2610753A Active CA2610753C (en) 2005-09-13 2006-09-13 Continuous spectroscopic measurement of total hemoglobin

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA2610753A Active CA2610753C (en) 2005-09-13 2006-09-13 Continuous spectroscopic measurement of total hemoglobin

Country Status (6)

Country Link
US (3) US7319894B2 (enExample)
EP (1) EP1924195A2 (enExample)
JP (1) JP2009507569A (enExample)
CN (1) CN101232843A (enExample)
CA (2) CA2824033A1 (enExample)
WO (1) WO2007033318A2 (enExample)

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US20070060810A1 (en) 2007-03-15
US20080108887A1 (en) 2008-05-08
US7319894B2 (en) 2008-01-15
EP1924195A2 (en) 2008-05-28
JP2009507569A (ja) 2009-02-26
CN101232843A (zh) 2008-07-30
WO2007033318A2 (en) 2007-03-22
US7426407B2 (en) 2008-09-16
CA2610753C (en) 2014-04-29
WO2007033318A3 (en) 2007-05-03
US20070060809A1 (en) 2007-03-15
US8483789B2 (en) 2013-07-09

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