EP1251771A4 - Detection of stroke events using diffuse optical tomography - Google Patents
Detection of stroke events using diffuse optical tomographyInfo
- 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- Withdrawn
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
- A61B5/6814—Head
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0073—Measuring 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
-
- 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
- A61B5/0275—Measuring blood flow using tracers, e.g. dye dilution
-
- 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
- A61B5/14553—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 specially adapted for cerebral tissue
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/40—Detecting, measuring or recording for evaluating the nervous system
- A61B5/4076—Diagnosing or monitoring particular conditions of the nervous system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/41—Detecting, measuring or recording for evaluating the immune or lymphatic systems
- A61B5/411—Detecting or monitoring allergy or intolerance reactions to an allergenic agent or substance
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0233—Special features of optical sensors or probes classified in A61B5/00
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/04—Arrangements of multiple sensors of the same type
- A61B2562/046—Arrangements of multiple sensors of the same type in a matrix array
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)
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)
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 |
-
2001
- 2001-01-23 WO PCT/US2001/002226 patent/WO2001052719A2/en not_active Application Discontinuation
- 2001-01-23 EP EP01910346A patent/EP1251771A4/en not_active Withdrawn
- 2001-01-23 CA CA002397145A patent/CA2397145A1/en not_active Abandoned
- 2001-01-23 AU AU2001237963A patent/AU2001237963A1/en not_active Abandoned
Non-Patent Citations (1)
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
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20020822 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR |
|
AX | Request for extension of the european patent |
Free format text: AL;LT;LV;MK;RO;SI |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20050718 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20060707 |