CA2322768A1 - Optical biopsy system and methods for tissue diagnosis - Google Patents

Optical biopsy system and methods for tissue diagnosis Download PDF

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Publication number
CA2322768A1
CA2322768A1 CA002322768A CA2322768A CA2322768A1 CA 2322768 A1 CA2322768 A1 CA 2322768A1 CA 002322768 A CA002322768 A CA 002322768A CA 2322768 A CA2322768 A CA 2322768A CA 2322768 A1 CA2322768 A1 CA 2322768A1
Authority
CA
Canada
Prior art keywords
tissue
diagnosis
fluorescence
optical biopsy
treatment
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.)
Granted
Application number
CA002322768A
Other languages
French (fr)
Other versions
CA2322768C (en
Inventor
Brian T. Mcmahon
Chester E. Sievert, Jr.
Scott R. Wilson
Ronald R. Zimmermann
Robert A. Palme
John G. Yager
David R. Walsh
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.)
SpectraScience Inc
Original Assignee
Spectrascience, Inc.
Brian T. Mcmahon
Chester E. Sievert, Jr.
Scott R. Wilson
Ronald R. Zimmermann
Robert A. Palme
John G. Yager
David R. Walsh
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 Spectrascience, Inc., Brian T. Mcmahon, Chester E. Sievert, Jr., Scott R. Wilson, Ronald R. Zimmermann, Robert A. Palme, John G. Yager, David R. Walsh filed Critical Spectrascience, Inc.
Publication of CA2322768A1 publication Critical patent/CA2322768A1/en
Application granted granted Critical
Publication of CA2322768C publication Critical patent/CA2322768C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • A61B10/02—Instruments for taking cell samples or for biopsy
    • A61B10/06—Biopsy forceps, e.g. with cup-shaped jaws
    • 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
    • A61B5/0075—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
    • 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
    • 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
    • A61B1/042—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 characterised by a proximal camera, e.g. a CCD camera
    • 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
    • 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
    • A61B5/0062—Arrangements for scanning
    • A61B5/0066—Optical coherence imaging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235—Details of waveform analysis
    • A61B5/7264—Classification of physiological signals or data, e.g. using neural networks, statistical classifiers, expert systems or fuzzy systems

Abstract

A system characterized tissue using fluorescence spectroscopy, such as light-induced fluorescence. Native fluorescence ("autofluorescence") from endogenous tissue without requiring fluorescence-enhancing agents is used to distinguish between normal tissue, hyperplastic tissue, adenomatous tissue, and adenocarcinomas. The system provides endoscopic image enhancement for easy location of a tissue site for optical biopsy tissue characterization. The system allows the use of an integrated endoscopic diagnosis and treatment device for immediate diagnosis and treatment without interchanging equipment and relocating the tissue site. The system is also integrated with existing endoscopy equipment for initiating and displaying the diagnosis. The system provides an adjunctive tool to histopathological tissue classification or, alternatively, further treatment is based on the optical biopsy system diagnosis itself.
CA002322768A 1998-03-09 1999-03-09 Optical biopsy system and methods for tissue diagnosis Expired - Fee Related CA2322768C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/037,722 US6174291B1 (en) 1998-03-09 1998-03-09 Optical biopsy system and methods for tissue diagnosis
US09/037,722 1998-03-09
PCT/US1999/005134 WO1999045838A1 (en) 1998-03-09 1999-03-09 Optical biopsy system and methods for tissue diagnosis

Publications (2)

Publication Number Publication Date
CA2322768A1 true CA2322768A1 (en) 1999-09-16
CA2322768C CA2322768C (en) 2008-08-05

Family

ID=21895938

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002322768A Expired - Fee Related CA2322768C (en) 1998-03-09 1999-03-09 Optical biopsy system and methods for tissue diagnosis

Country Status (7)

Country Link
US (1) US6174291B1 (en)
EP (2) EP1065970B1 (en)
JP (2) JP4477230B2 (en)
AT (2) ATE474498T1 (en)
CA (1) CA2322768C (en)
DE (2) DE69939818D1 (en)
WO (1) WO1999045838A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005052558A1 (en) * 2003-11-28 2005-06-09 Bc Cancer Agency Multimodal detection of tissue abnormalities based on raman and background fluorescence spectroscopy

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JP4477230B2 (en) 2010-06-09
DE69942624D1 (en) 2010-09-02
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ATE412363T1 (en) 2008-11-15
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US6174291B1 (en) 2001-01-16
DE69939818D1 (en) 2008-12-11

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