AT198375T - Molecular spectroscopy methods, and - devices for tissue diagnosis - Google Patents

Molecular spectroscopy methods, and - devices for tissue diagnosis

Info

Publication number
AT198375T
AT198375T AT92906273T AT92906273T AT198375T AT 198375 T AT198375 T AT 198375T AT 92906273 T AT92906273 T AT 92906273T AT 92906273 T AT92906273 T AT 92906273T AT 198375 T AT198375 T AT 198375T
Authority
AT
Austria
Prior art keywords
devices
tissue diagnosis
spectroscopy methods
molecular spectroscopy
molecular
Prior art date
Application number
AT92906273T
Other languages
German (de)
Inventor
Richard P Rava
Joseph J Baraga
Michael S Feld
Original Assignee
Massachusetts Inst 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
Priority to US66107791A priority Critical
Application filed by Massachusetts Inst Technology filed Critical Massachusetts Inst Technology
Priority to PCT/US1992/000420 priority patent/WO1992015008A1/en
Publication of AT198375T publication Critical patent/AT198375T/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/0059Detecting, measuring or recording for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0082Detecting, measuring or recording for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
    • A61B5/0084Detecting, measuring or recording 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
    • A61B5/0086Detecting, measuring or recording 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 infra-red radiation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/0059Detecting, measuring or recording for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0071Detecting, measuring or recording for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence by measuring fluorescence emission
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/0059Detecting, measuring or recording for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0075Detecting, measuring or recording 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/72Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235Details of waveform analysis
    • A61B5/7253Details of waveform analysis characterised by using transforms
    • A61B5/7257Details of waveform analysis characterised by using transforms using Fourier transforms
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/65Raman scattering
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0233Special features of optical sensors or probes classified in A61B5/00
    • A61B2562/0242Special features of optical sensors or probes classified in A61B5/00 for varying or adjusting the optical path length in the tissue
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/72Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7203Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible or ultra-violet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/65Raman scattering
    • G01N2021/653Coherent methods [CARS]
    • G01N2021/656Raman microprobe
AT92906273T 1991-02-26 1992-01-17 Molecular spectroscopy methods, and - devices for tissue diagnosis AT198375T (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US66107791A true 1991-02-26 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

Publications (1)

Publication Number Publication Date
AT198375T true AT198375T (en) 2001-01-15

Family

ID=24652118

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92906273T AT198375T (en) 1991-02-26 1992-01-17 Molecular spectroscopy methods, and - devices for tissue diagnosis

Country Status (7)

Country Link
US (3) US6690966B1 (en)
EP (1) EP0573535B1 (en)
JP (1) JPH06505183A (en)
AT (1) AT198375T (en)
CA (1) CA2104960C (en)
DE (2) DE69231614T2 (en)
WO (1) WO1992015008A1 (en)

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DE69231614D1 (en) 2001-02-01
EP0573535A1 (en) 1993-12-15
CA2104960C (en) 2005-04-05
EP0573535B1 (en) 2000-12-27
JPH06505183A (en) 1994-06-16
WO1992015008A1 (en) 1992-09-03
DE69231614T2 (en) 2001-05-03
US6697665B1 (en) 2004-02-24
US20040186383A1 (en) 2004-09-23
US6690966B1 (en) 2004-02-10
CA2104960A1 (en) 1992-08-27

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