WO2008157134A3 - Difference-weighted somatic spectroscopy - Google Patents

Difference-weighted somatic spectroscopy Download PDF

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Publication number
WO2008157134A3
WO2008157134A3 PCT/US2008/066430 US2008066430W WO2008157134A3 WO 2008157134 A3 WO2008157134 A3 WO 2008157134A3 US 2008066430 W US2008066430 W US 2008066430W WO 2008157134 A3 WO2008157134 A3 WO 2008157134A3
Authority
WO
WIPO (PCT)
Prior art keywords
somatic
difference
weighted
spectroscopy
source
Prior art date
Application number
PCT/US2008/066430
Other languages
French (fr)
Other versions
WO2008157134A2 (en
Inventor
David A Benaron
Ilian H Parachikov
Michael R Fierro
Original Assignee
Spectros Corp
David A Benaron
Ilian H Parachikov
Michael R Fierro
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 Spectros Corp, David A Benaron, Ilian H Parachikov, Michael R Fierro filed Critical Spectros Corp
Priority to EP08770596.8A priority Critical patent/EP2166947A4/en
Priority to JP2010513328A priority patent/JP2010530284A/en
Publication of WO2008157134A2 publication Critical patent/WO2008157134A2/en
Publication of WO2008157134A3 publication Critical patent/WO2008157134A3/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
    • A61B5/145—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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/026—Measuring blood flow
    • A61B5/0261—Measuring blood flow using optical means, e.g. infrared light

Abstract

An ischemia detection system in two or more somatic measures, collected simultaneously or near-simultaneously, are provided for direct or computational comparison, in which light from light source A (103A) and source B (103B) is detected by a sensor (155), and a difference-weighted value is determined (167), thereby enhancing the value of the spectroscopic measurements over values taken individually and singly.
PCT/US2008/066430 2007-06-20 2008-06-10 Difference-weighted somatic spectroscopy WO2008157134A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP08770596.8A EP2166947A4 (en) 2007-06-20 2008-06-10 Difference-weighted somatic spectroscopy
JP2010513328A JP2010530284A (en) 2007-06-20 2008-06-10 Differential weighted body spectroscopy

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/820,809 US20080009689A1 (en) 2002-04-09 2007-06-20 Difference-weighted somatic spectroscopy
US11/820,809 2007-06-20

Publications (2)

Publication Number Publication Date
WO2008157134A2 WO2008157134A2 (en) 2008-12-24
WO2008157134A3 true WO2008157134A3 (en) 2009-02-19

Family

ID=38919890

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2008/066430 WO2008157134A2 (en) 2007-06-20 2008-06-10 Difference-weighted somatic spectroscopy

Country Status (4)

Country Link
US (7) US20080009689A1 (en)
EP (1) EP2166947A4 (en)
JP (1) JP2010530284A (en)
WO (1) WO2008157134A2 (en)

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Also Published As

Publication number Publication date
US20080009689A1 (en) 2008-01-10
US20090187086A1 (en) 2009-07-23
US20110133086A1 (en) 2011-06-09
JP2010530284A (en) 2010-09-09
EP2166947A2 (en) 2010-03-31
US20100198030A1 (en) 2010-08-05
US20110220943A1 (en) 2011-09-15
US20110240885A1 (en) 2011-10-06
US20090048502A1 (en) 2009-02-19
WO2008157134A2 (en) 2008-12-24
EP2166947A4 (en) 2013-10-16

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