CA2104960A1 - Systems and methods of molecular spectroscopy to provide for the diagnosis of tissue - Google Patents

Systems and methods of molecular spectroscopy to provide for the diagnosis of tissue

Info

Publication number
CA2104960A1
CA2104960A1 CA002104960A CA2104960A CA2104960A1 CA 2104960 A1 CA2104960 A1 CA 2104960A1 CA 002104960 A CA002104960 A CA 002104960A CA 2104960 A CA2104960 A CA 2104960A CA 2104960 A1 CA2104960 A1 CA 2104960A1
Authority
CA
Canada
Prior art keywords
tissue
systems
methods
diagnosis
molecular spectroscopy
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
CA002104960A
Other languages
French (fr)
Other versions
CA2104960C (en
Inventor
Richard P. Rava
Joseph J. Baraga
Michael S. Feld
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.)
Massachusetts Institute of Technology
Original Assignee
Richard P. Rava
Joseph J. Baraga
Michael S. Feld
Massachusetts Institute Of Technology
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 Richard P. Rava, Joseph J. Baraga, Michael S. Feld, Massachusetts Institute Of Technology filed Critical Richard P. Rava
Priority to CA002497575A priority Critical patent/CA2497575A1/en
Publication of CA2104960A1 publication Critical patent/CA2104960A1/en
Application granted granted Critical
Publication of CA2104960C publication Critical patent/CA2104960C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—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
    • A61B5/0086—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 using infrared radiation
    • 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
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235—Details of waveform analysis
    • A61B5/7253—Details of waveform analysis characterised by using transforms
    • A61B5/7257—Details of waveform analysis characterised by using transforms using Fourier transforms
    • 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
    • G01N21/65—Raman scattering
    • 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
    • A61B2562/0242—Special features of optical sensors or probes classified in A61B5/00 for varying or adjusting the optical path length in the tissue
    • 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
    • A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
    • 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
    • G01N21/65—Raman scattering
    • G01N2021/653—Coherent methods [CARS]
    • G01N2021/656—Raman microprobe

Abstract

Systems and methods for spectroscopic diagnosis and treatment are employed which utilize molecular spectroscopy to accurately diagnose the condition of tissue. Infrared Raman spectroscopy and infrared attenuated total reflectance measurements are performed utilizing a laser radiation source and a Fourier transform spectrometer. Information acquired and analyzed in accordance with the invention provides accurate details of biochemical composition and pathologic condition.
CA002104960A 1991-02-26 1992-01-17 Systems and methods of molecular spectroscopy to provide for the diagnosis of tissue Expired - Fee Related CA2104960C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002497575A CA2497575A1 (en) 1991-02-26 1992-01-17 Systems and methods of molecular spectroscopy to provide for the diagnosis of tissue

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US66107791A 1991-02-26 1991-02-26
US661,077 1991-02-26
PCT/US1992/000420 WO1992015008A1 (en) 1991-02-26 1992-01-17 Systems and methods of molecular spectroscopy to provide for the diagnosis of tissue

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA002497575A Division CA2497575A1 (en) 1991-02-26 1992-01-17 Systems and methods of molecular spectroscopy to provide for the diagnosis of tissue

Publications (2)

Publication Number Publication Date
CA2104960A1 true CA2104960A1 (en) 1992-08-27
CA2104960C CA2104960C (en) 2005-04-05

Family

ID=24652118

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002104960A Expired - Fee Related CA2104960C (en) 1991-02-26 1992-01-17 Systems and methods of molecular spectroscopy to provide for the diagnosis of tissue

Country Status (7)

Country Link
US (3) US6690966B1 (en)
EP (1) EP0573535B1 (en)
JP (1) JPH06505183A (en)
AT (1) ATE198375T1 (en)
CA (1) CA2104960C (en)
DE (1) DE69231614T2 (en)
WO (1) WO1992015008A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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US5733739A (en) * 1995-06-07 1998-03-31 Inphocyte, Inc. System and method for diagnosis of disease by infrared analysis of human tissues and cells

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