CA2742140A1 - Direct to digital oximeter and method for calculating oxygenation levels - Google Patents

Direct to digital oximeter and method for calculating oxygenation levels Download PDF

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Publication number
CA2742140A1
CA2742140A1 CA2742140A CA2742140A CA2742140A1 CA 2742140 A1 CA2742140 A1 CA 2742140A1 CA 2742140 A CA2742140 A CA 2742140A CA 2742140 A CA2742140 A CA 2742140A CA 2742140 A1 CA2742140 A1 CA 2742140A1
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CA
Canada
Prior art keywords
oximeter
wavelength
signal
light
noise
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
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CA2742140A
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English (en)
French (fr)
Inventor
Michael T. Larsen
James L. Reuss
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Criticare Systems Inc
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Criticare Systems Inc
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Filing date
Publication date
Application filed by Criticare Systems Inc filed Critical Criticare Systems Inc
Publication of CA2742140A1 publication Critical patent/CA2742140A1/en
Abandoned 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, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases

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  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Optics & Photonics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CA2742140A 1998-12-01 1999-12-01 Direct to digital oximeter and method for calculating oxygenation levels Abandoned CA2742140A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/201,942 1998-12-01
US09/201,942 US6163715A (en) 1996-07-17 1998-12-01 Direct to digital oximeter and method for calculating oxygenation levels
CA2354064A CA2354064C (en) 1998-12-01 1999-12-01 Direct to digital oximeter and method for calculating oxygenation levels

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA2354064A Division CA2354064C (en) 1998-12-01 1999-12-01 Direct to digital oximeter and method for calculating oxygenation levels

Publications (1)

Publication Number Publication Date
CA2742140A1 true CA2742140A1 (en) 2000-06-08

Family

ID=22747924

Family Applications (2)

Application Number Title Priority Date Filing Date
CA2354064A Expired - Fee Related CA2354064C (en) 1998-12-01 1999-12-01 Direct to digital oximeter and method for calculating oxygenation levels
CA2742140A Abandoned CA2742140A1 (en) 1998-12-01 1999-12-01 Direct to digital oximeter and method for calculating oxygenation levels

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA2354064A Expired - Fee Related CA2354064C (en) 1998-12-01 1999-12-01 Direct to digital oximeter and method for calculating oxygenation levels

Country Status (7)

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US (2) US6163715A (US06526301-20030225-M00004.png)
EP (1) EP1146812A4 (US06526301-20030225-M00004.png)
JP (1) JP2003505115A (US06526301-20030225-M00004.png)
CN (1) CN1198534C (US06526301-20030225-M00004.png)
BR (1) BR9915798A (US06526301-20030225-M00004.png)
CA (2) CA2354064C (US06526301-20030225-M00004.png)
WO (1) WO2000032099A1 (US06526301-20030225-M00004.png)

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CA2354064A1 (en) 2000-06-08
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CA2354064C (en) 2011-08-02
US6526301B2 (en) 2003-02-25
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US20010005773A1 (en) 2001-06-28

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