EP1251771A4 - Detection of stroke events using diffuse optical tomography - Google Patents

Detection of stroke events using diffuse optical tomography

Info

Publication number
EP1251771A4
EP1251771A4 EP01910346A EP01910346A EP1251771A4 EP 1251771 A4 EP1251771 A4 EP 1251771A4 EP 01910346 A EP01910346 A EP 01910346A EP 01910346 A EP01910346 A EP 01910346A EP 1251771 A4 EP1251771 A4 EP 1251771A4
Authority
EP
European Patent Office
Prior art keywords
detection
optical tomography
diffuse optical
stroke events
events
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.)
Withdrawn
Application number
EP01910346A
Other languages
German (de)
French (fr)
Other versions
EP1251771A2 (en
Inventor
David Allan Boas
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.)
General Hospital Corp
Original Assignee
General Hospital 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
Priority claimed from US09/491,595 external-priority patent/US6516214B1/en
Priority claimed from US09/598,422 external-priority patent/US6577884B1/en
Application filed by General Hospital Corp filed Critical General Hospital Corp
Publication of EP1251771A2 publication Critical patent/EP1251771A2/en
Publication of EP1251771A4 publication Critical patent/EP1251771A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/68Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801Arrangements 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
    • A61B5/6813Specially adapted to be attached to a specific body part
    • A61B5/6814Head
    • 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
    • A61B5/0073Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence by tomography, i.e. reconstruction of 3D images from 2D projections
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, 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
    • A61B5/026Measuring blood flow
    • A61B5/0275Measuring blood flow using tracers, e.g. dye dilution
    • 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, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455Measuring 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
    • A61B5/14551Measuring 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
    • A61B5/14553Measuring 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 specially adapted for cerebral tissue
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/40Detecting, measuring or recording for evaluating the nervous system
    • A61B5/4076Diagnosing or monitoring particular conditions of the nervous system
    • 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
    • A61B5/411Detecting or monitoring allergy or intolerance reactions to an allergenic agent or substance
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0233Special features of optical sensors or probes classified in A61B5/00
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/04Arrangements of multiple sensors of the same type
    • A61B2562/046Arrangements of multiple sensors of the same type in a matrix array
EP01910346A 2000-01-24 2001-01-23 Detection of stroke events using diffuse optical tomography Withdrawn EP1251771A4 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US17852600P 2000-01-24 2000-01-24
US178526P 2000-01-24
US491595 2000-01-25
US09/491,595 US6516214B1 (en) 2000-01-24 2000-01-25 Detection of stroke events using diffuse optical tomography
US598422 2000-06-19
US09/598,422 US6577884B1 (en) 2000-06-19 2000-06-19 Detection of stroke events using diffuse optical tomagraphy
PCT/US2001/002226 WO2001052719A2 (en) 2000-01-24 2001-01-23 Detection of stroke events using diffuse optical tomography

Publications (2)

Publication Number Publication Date
EP1251771A2 EP1251771A2 (en) 2002-10-30
EP1251771A4 true EP1251771A4 (en) 2005-08-31

Family

ID=27390989

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01910346A Withdrawn EP1251771A4 (en) 2000-01-24 2001-01-23 Detection of stroke events using diffuse optical tomography

Country Status (4)

Country Link
EP (1) EP1251771A4 (en)
AU (1) AU2001237963A1 (en)
CA (1) CA2397145A1 (en)
WO (1) WO2001052719A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7197355B2 (en) * 2002-04-19 2007-03-27 Visiongate, Inc. Variable-motion optical tomography of small objects

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5902235A (en) * 1989-03-29 1999-05-11 Somanetics Corporation Optical cerebral oximeter
US5853370A (en) * 1996-09-13 1998-12-29 Non-Invasive Technology, Inc. Optical system and method for non-invasive imaging of biological tissue
US5954053A (en) * 1995-06-06 1999-09-21 Non-Invasive Technology, Inc. Detection of brain hematoma
US5803909A (en) * 1994-10-06 1998-09-08 Hitachi, Ltd. Optical system for measuring metabolism in a body and imaging method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No Search *

Also Published As

Publication number Publication date
AU2001237963A1 (en) 2001-07-31
CA2397145A1 (en) 2001-07-26
WO2001052719A3 (en) 2001-11-01
WO2001052719A2 (en) 2001-07-26
EP1251771A2 (en) 2002-10-30

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Legal Events

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