WO2008042147A3 - Symmetric led array for pulse oximetry - Google Patents

Symmetric led array for pulse oximetry Download PDF

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Publication number
WO2008042147A3
WO2008042147A3 PCT/US2007/020617 US2007020617W WO2008042147A3 WO 2008042147 A3 WO2008042147 A3 WO 2008042147A3 US 2007020617 W US2007020617 W US 2007020617W WO 2008042147 A3 WO2008042147 A3 WO 2008042147A3
Authority
WO
WIPO (PCT)
Prior art keywords
led array
electromagnetic radiation
wavelength
pulse oximetry
operate
Prior art date
Application number
PCT/US2007/020617
Other languages
French (fr)
Other versions
WO2008042147A2 (en
Inventor
Martin P Debreczeny
Original Assignee
Nellcor Puritan Bennett Llc
Martin P Debreczeny
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
Priority claimed from US11/540,174 external-priority patent/US8175667B2/en
Priority claimed from US11/541,287 external-priority patent/US8068891B2/en
Application filed by Nellcor Puritan Bennett Llc, Martin P Debreczeny filed Critical Nellcor Puritan Bennett Llc
Publication of WO2008042147A2 publication Critical patent/WO2008042147A2/en
Publication of WO2008042147A3 publication Critical patent/WO2008042147A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6825—Hand
    • A61B5/6826—Finger
    • 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
    • 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
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/683—Means for maintaining contact with the body
    • A61B5/6838—Clamps or clips
    • 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
    • A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
    • A61B5/7207—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts

Abstract

There is provided a sensor for pulse oximeter systems. The sensor comprises a first source of electromagnetic radiation configured to operate at a first wavelength, a second source of electromagnetic radiation configured to operate at a second wavelength, and a third source of electromagnetic radiation configured to operate at a third wavelength. The emission spectra of the first and third sources of electromagnetic radiation overlap at their half power level or greater and correspond to a center wavelength in the range of 650 to 670 nm.
PCT/US2007/020617 2006-09-29 2007-09-24 Symmetric led array for pulse oximetry WO2008042147A2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US11/540,174 2006-09-29
US11/540,174 US8175667B2 (en) 2006-09-29 2006-09-29 Symmetric LED array for pulse oximetry
US11/541,287 2006-09-29
US11/541,287 US8068891B2 (en) 2006-09-29 2006-09-29 Symmetric LED array for pulse oximetry

Publications (2)

Publication Number Publication Date
WO2008042147A2 WO2008042147A2 (en) 2008-04-10
WO2008042147A3 true WO2008042147A3 (en) 2008-05-22

Family

ID=39166848

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/020617 WO2008042147A2 (en) 2006-09-29 2007-09-24 Symmetric led array for pulse oximetry

Country Status (1)

Country Link
WO (1) WO2008042147A2 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4819752A (en) * 1987-10-02 1989-04-11 Datascope Corp. Blood constituent measuring device and method
US5285783A (en) * 1990-02-15 1994-02-15 Hewlett-Packard Company Sensor, apparatus and method for non-invasive measurement of oxygen saturation
WO1994003102A1 (en) * 1992-08-01 1994-02-17 University College Of Swansea Optical monitor (oximeter, etc.) with motion artefact suppression
WO1997049330A1 (en) * 1996-06-27 1997-12-31 Falcon Medical, Inc. Motion artifact resistant oximeter using three wavelengths
EP1346683A2 (en) * 1996-06-12 2003-09-24 Instrumentarium Oy Procedure, apparatus and sensor for the determination of fractional oxygen saturation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4819752A (en) * 1987-10-02 1989-04-11 Datascope Corp. Blood constituent measuring device and method
US5285783A (en) * 1990-02-15 1994-02-15 Hewlett-Packard Company Sensor, apparatus and method for non-invasive measurement of oxygen saturation
WO1994003102A1 (en) * 1992-08-01 1994-02-17 University College Of Swansea Optical monitor (oximeter, etc.) with motion artefact suppression
EP1346683A2 (en) * 1996-06-12 2003-09-24 Instrumentarium Oy Procedure, apparatus and sensor for the determination of fractional oxygen saturation
WO1997049330A1 (en) * 1996-06-27 1997-12-31 Falcon Medical, Inc. Motion artifact resistant oximeter using three wavelengths

Also Published As

Publication number Publication date
WO2008042147A2 (en) 2008-04-10

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