WO2001072214A1 - Method and system for characterization and mapping of tissue lesions - Google Patents
Method and system for characterization and mapping of tissue lesions Download PDFInfo
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- WO2001072214A1 WO2001072214A1 PCT/GR2001/000017 GR0100017W WO0172214A1 WO 2001072214 A1 WO2001072214 A1 WO 2001072214A1 GR 0100017 W GR0100017 W GR 0100017W WO 0172214 A1 WO0172214 A1 WO 0172214A1
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- tissue
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- optical
- sample
- tissue sample
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Classifications
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- A—HUMAN NECESSITIES
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- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/303—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the vagina, i.e. vaginoscopes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00163—Optical arrangements
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- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0646—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements with illumination filters
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- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
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- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0075—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence by spectroscopy, i.e. measuring spectra, e.g. Raman spectroscopy, infrared absorption spectroscopy
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- A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
- A61B5/0084—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for introduction into the body, e.g. by catheters
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6486—Measuring fluorescence of biological material, e.g. DNA, RNA, cells
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- A61B5/0088—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for oral or dental tissue
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- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/21—Polarisation-affecting properties
Definitions
- the image multiplication optics include more than one beam splitter for the creation of multiple identical images of the area of interest.
- the images are recorded by multiple imaging detectors, in front of which optical filters are placed.
- the filters have different transmission characteristics and are capable of transmitting light of spectral width shorter than the spectral width of the detector's sensitivity.
- multiple groups of temporally successive images of the same tissue area are recorded simultaneously, each one corresponding to a different spectral band.
- the filters are capable of transmitting light of spectral width shorter than the spectral width of the detector's sensitivity. Multiple groups of temporally successive images of the same tissue area are recorded simultaneously in the different areas of the detector, each one corresponding to a different spectral band.
- Figure 2 illustrates a method for measuring in two spectral bands simultaneously and in any spatial point of the area under analysis, the kinetics of the alterations in the characteristics of the light emitted from the tissue, before and the after the administration of the contrast enhancing agent.
- the light emitted from the tissue is collected and focused by the optical imaging module (L) and allowed to pass through a beam splitting (BSP) optical element.
- BSP beam splitting
- two identical images of the tissue (T) are generated, which can be captured by two detectors (Dl, D2).
- appropriate optical filters (Of ⁇ l ), (O ) can be placed, so that images with different spectral characteristics are captured.
- beam splitters, optical filters, dichroic mirrors, etc. can also be used for splitting the image of the object.
- Figure 7 illustrates an optical imaging apparatus that includes a light source located at the central part of its front-aperture.
- a light source located at the central part of its front-aperture.
- the central ray of the emitted light cone is coaxial with the central ray of the light beam that enters the imaging apparatus.
- a reflective-objective lens is used, which includes a first reflection (1RM) and a second reflection (2RM) mirror.
- a light source (LS) is disposed at the rear of the second reflection mirror (2RM), together with, if required, optics for light beam manipulation such as zooming and focusing (SO).
Abstract
Description
Claims
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE60137914T DE60137914D1 (en) | 2000-03-28 | 2001-03-28 | METHOD AND DEVICE FOR CHARACTERIZING AND ILLUSTRATING TISSUE ELEMENTS |
JP2001570178A JP4217403B2 (en) | 2000-03-28 | 2001-03-28 | System for characterization and mapping of tissue lesions |
US10/240,367 US7515952B2 (en) | 2000-03-28 | 2001-03-28 | System for characterization and mapping of tissue lesions |
CA2400702A CA2400702C (en) | 2000-03-28 | 2001-03-28 | Method and system for characterization and mapping of tissue lesions |
AU4442301A AU4442301A (en) | 2000-03-28 | 2001-03-28 | Method and system for characterization and mapping of tissue lesions |
EP01917343A EP1267707B1 (en) | 2000-03-28 | 2001-03-28 | Method and system for characterization and mapping of tissue lesions |
DK01917343T DK1267707T3 (en) | 2000-03-28 | 2001-03-28 | Method and system for characterization and cartography of tissue lesions |
BRPI0108944A BRPI0108944B8 (en) | 2000-03-28 | 2001-03-28 | method for monitoring the effects of a differentiating agent on the pathology of a tissue sample and system for characterization and mapping of tissue lesions. |
FI20021477A FI20021477A (en) | 2000-03-28 | 2002-08-14 | Method and system for characterizing and mapping tissue lesions |
HK03108410.2A HK1056108A1 (en) | 2000-03-28 | 2003-11-19 | Method and system for characterization and mapping of tissue lesions |
US12/368,647 US7974683B2 (en) | 2000-03-28 | 2009-02-10 | Method and system for characterization and mapping of tissue lesions via light and special chemical agents |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GR20000100102 | 2000-03-28 | ||
GR20000100102 | 2000-03-28 | ||
US09/739,089 US20020007123A1 (en) | 2000-03-28 | 2000-12-15 | Method and system for characterization and mapping of tissue lesions |
US09/739,089 | 2000-12-15 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10240367 A-371-Of-International | 2001-03-28 | ||
US12/368,647 Continuation US7974683B2 (en) | 2000-03-28 | 2009-02-10 | Method and system for characterization and mapping of tissue lesions via light and special chemical agents |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001072214A1 true WO2001072214A1 (en) | 2001-10-04 |
Family
ID=40328199
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GR2001/000017 WO2001072214A1 (en) | 2000-03-28 | 2001-03-28 | Method and system for characterization and mapping of tissue lesions |
Country Status (18)
Country | Link |
---|---|
US (7) | US20020007123A1 (en) |
EP (2) | EP2057936B1 (en) |
JP (2) | JP4217403B2 (en) |
CN (1) | CN100413460C (en) |
AT (1) | ATE424757T1 (en) |
AU (1) | AU4442301A (en) |
BR (1) | BRPI0108944B8 (en) |
CA (1) | CA2400702C (en) |
CY (1) | CY1109134T1 (en) |
DE (1) | DE60137914D1 (en) |
DK (1) | DK1267707T3 (en) |
ES (2) | ES2464718T3 (en) |
FI (1) | FI20021477A (en) |
GR (1) | GR1004180B (en) |
HK (1) | HK1056108A1 (en) |
PT (2) | PT1267707E (en) |
RU (1) | RU2288636C2 (en) |
WO (1) | WO2001072214A1 (en) |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2001072216A2 (en) * | 2000-03-28 | 2001-10-04 | Board Of Regents, The University Of Texas System | Methods and apparatus for diagnositic multispectral digital imaging |
JP2005515473A (en) * | 2002-01-18 | 2005-05-26 | ニユートン・ラボラトリーズ・インコーポレーテツド | Spectroscopic diagnosis method and system |
EP1644867A2 (en) * | 2003-04-18 | 2006-04-12 | Medispectra, Inc. | Systems for identifying, displaying, marking, and treating suspect regions of tissue |
EP1793727A1 (en) * | 2004-09-28 | 2007-06-13 | Zila Pharmaceuticals, Inc. | Methods for detecting abnormal epithelial tissue |
WO2008001037A3 (en) * | 2006-06-05 | 2008-03-06 | Forth Photonics Ltd | Methods for characterizing tissues |
GB2448421A (en) * | 2007-04-11 | 2008-10-15 | Forth Photonics Ltd | Workstation for a colposcopy |
US7515952B2 (en) | 2000-03-28 | 2009-04-07 | Forth Photonics Limited | System for characterization and mapping of tissue lesions |
WO2012032340A1 (en) * | 2010-09-06 | 2012-03-15 | St George's Hospital Medical School | Apparatus and method for positioning a probe for observing microcirculation vessels |
US8390924B2 (en) | 2010-05-19 | 2013-03-05 | Olympus Medical Systems Corp. | Endoscope and endoscope apparatus |
WO2013109130A1 (en) * | 2012-01-18 | 2013-07-25 | Joel Gerardo Diaz Sanchez | Colpostereoscope for photodynamic diagnosis (pdd) of diseases of the female genital tract and early detection of neoplastic lesions |
US9014789B2 (en) | 2011-09-22 | 2015-04-21 | The George Washington University | Systems and methods for visualizing ablated tissue |
US9084611B2 (en) | 2011-09-22 | 2015-07-21 | The George Washington University | Systems and methods for visualizing ablated tissue |
US9844318B2 (en) | 2013-03-26 | 2017-12-19 | Novartis Ag | Devices, systems, and methods for calibrating an OCT imaging system in a laser surgical system |
US10143517B2 (en) | 2014-11-03 | 2018-12-04 | LuxCath, LLC | Systems and methods for assessment of contact quality |
WO2020021261A1 (en) | 2018-07-24 | 2020-01-30 | Dysis Medical Limited | Computer classification of biological tissue |
US10722301B2 (en) | 2014-11-03 | 2020-07-28 | The George Washington University | Systems and methods for lesion assessment |
US10779904B2 (en) | 2015-07-19 | 2020-09-22 | 460Medical, Inc. | Systems and methods for lesion formation and assessment |
US11096584B2 (en) | 2013-11-14 | 2021-08-24 | The George Washington University | Systems and methods for determining lesion depth using fluorescence imaging |
US11457817B2 (en) | 2013-11-20 | 2022-10-04 | The George Washington University | Systems and methods for hyperspectral analysis of cardiac tissue |
Families Citing this family (154)
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