WO1997011636A3 - Vorrichtung zur photodynamischen diagnose - Google Patents

Vorrichtung zur photodynamischen diagnose Download PDF

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Publication number
WO1997011636A3
WO1997011636A3 PCT/DE1996/001831 DE9601831W WO9711636A3 WO 1997011636 A3 WO1997011636 A3 WO 1997011636A3 DE 9601831 W DE9601831 W DE 9601831W WO 9711636 A3 WO9711636 A3 WO 9711636A3
Authority
WO
WIPO (PCT)
Prior art keywords
light
tissue
internal transmittance
photosensitizer
image
Prior art date
Application number
PCT/DE1996/001831
Other languages
English (en)
French (fr)
Other versions
WO1997011636A2 (de
Inventor
Klaus Irion
Reinhold Baumgartner
Herbert Stepp
Andre Ehrhardt
Karlheinz Strobl
Original Assignee
Storz Karl Gmbh & Co
Klaus Irion
Reinhold Baumgartner
Herbert Stepp
Andre Ehrhardt
Karlheinz Strobl
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 DE1995148913 external-priority patent/DE19548913A1/de
Application filed by Storz Karl Gmbh & Co, Klaus Irion, Reinhold Baumgartner, Herbert Stepp, Andre Ehrhardt, Karlheinz Strobl filed Critical Storz Karl Gmbh & Co
Priority to DE59606558T priority Critical patent/DE59606558D1/de
Priority to EP96943007A priority patent/EP0861044B1/de
Priority to US09/043,850 priority patent/US6212425B1/en
Priority to DE29620732U priority patent/DE29620732U1/de
Priority to JP51307197A priority patent/JP3621704B2/ja
Publication of WO1997011636A2 publication Critical patent/WO1997011636A2/de
Publication of WO1997011636A3 publication Critical patent/WO1997011636A3/de

Links

Classifications

    • 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
    • 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
    • A61B1/00186—Optical arrangements with imaging filters
    • 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
    • A61B1/04—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 combined with photographic or television appliances
    • A61B1/043—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 combined with photographic or television appliances for fluorescence imaging
    • 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
    • A61B1/06—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
    • A61B1/0638—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 providing two or more wavelengths
    • 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
    • A61B1/06—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
    • 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
    • A61B5/0071—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence by measuring fluorescence emission
    • 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
    • A61B5/0082—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
    • 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
    • G01N21/645—Specially adapted constructive features of fluorimeters
    • G01N21/6456—Spatial resolved fluorescence measurements; Imaging
    • 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
    • A61B1/04—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 combined with photographic or television appliances
    • A61B1/055—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 combined with photographic or television appliances having rod-lens arrangements

Abstract

Die Erfindung bezieht sich auf eine Vorrichtung zur Diagnose mittels einer durch einen Photosensibilisator lichtinduzierten oder durch Eigenfluoreszenz hervorgerufenen Reaktion in biologischem Gewebe in vivo, mit: einem Beleuchtungssystem, das mindestens eine Lichtquelle mit einem Lampensystem (6) aufweist, das inkohärentes Licht im Wellenlängenbereich von wenigstens 380 bis 680 nm erzeugt, einer lichtzuführenden Einheit (2, 5, 21), die das Licht des Beleuchtungssystems auf den zu diagnostizierenden und/oder zu therapierenden Gewebebereich (7) richtet, und einer bildgebenden, bilderfassenden sowie bildübertragenden Einheit (31, 32, 4, 8), die das von dem Gewebebereich (7) kommende Licht in eine proximale Bildebene (13) abbildet, wobei der spektrale Reintransmissionsgrad Tl(μ) der lichtzuführenden Einheit dem Fluoreszenzanregungsspektrum des Photosensibilisators bzw. des Gewebes und der spektrale Reintransmissionsgrad Tb(μ) der bildgebenden Einheit dem Fluoreszenzspektrum des Photosensibilisators bzw. des Gewebes angepaßt ist, und wobei der Reintransmissionsgrad des aus lichtzuführender Einheit und aus bildgebender Einheit bestehenden Gesamtsystems nur in einem Wellenlängenbereich von maximal 50 nm einen spektralen Transmissionsgrad von mehr als 5 % aufweist und ansonsten in dem obengenannten Wellenlängenbereich kleiner als 5 % ist.
PCT/DE1996/001831 1995-09-26 1996-09-26 Vorrichtung zur photodynamischen diagnose WO1997011636A2 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE59606558T DE59606558D1 (de) 1995-09-26 1996-09-26 Vorrichtung zur photodynamischen diagnose
EP96943007A EP0861044B1 (de) 1995-09-26 1996-09-26 Vorrichtung zur photodynamischen diagnose
US09/043,850 US6212425B1 (en) 1995-09-26 1996-09-26 Apparatus for photodynamic diagnosis
DE29620732U DE29620732U1 (de) 1995-09-26 1996-09-26 Vorrichtung zur photodynamischen Diagnose
JP51307197A JP3621704B2 (ja) 1995-09-26 1996-09-26 光力学的診断用装置

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19535829 1995-09-26
DE19548913.6 1995-12-31
DE1995148913 DE19548913A1 (de) 1995-12-31 1995-12-31 Vorrichtung zur photodynamischen Diagnose
DE19535829.5 1995-12-31

Publications (2)

Publication Number Publication Date
WO1997011636A2 WO1997011636A2 (de) 1997-04-03
WO1997011636A3 true WO1997011636A3 (de) 1997-06-05

Family

ID=26018957

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1996/001831 WO1997011636A2 (de) 1995-09-26 1996-09-26 Vorrichtung zur photodynamischen diagnose

Country Status (5)

Country Link
US (1) US6212425B1 (de)
EP (1) EP0861044B1 (de)
JP (1) JP3621704B2 (de)
DE (2) DE29620732U1 (de)
WO (1) WO1997011636A2 (de)

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WO1997011636A2 (de) 1997-04-03
DE59606558D1 (de) 2001-04-12
DE29620732U1 (de) 1997-04-24
EP0861044A1 (de) 1998-09-02
JP3621704B2 (ja) 2005-02-16
JPH11511369A (ja) 1999-10-05
EP0861044B1 (de) 2001-03-07
US6212425B1 (en) 2001-04-03

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