AT541202T - Apparatus and method for locating and reducing the noise of signals in the niedrigkohärenzinterferometrie (LCI) and optical coherence tomography (OCT) using parallel detection of spectral bands - Google Patents

Apparatus and method for locating and reducing the noise of signals in the niedrigkohärenzinterferometrie (LCI) and optical coherence tomography (OCT) using parallel detection of spectral bands

Info

Publication number
AT541202T
AT541202T AT03732098T AT03732098T AT541202T AT 541202 T AT541202 T AT 541202T AT 03732098 T AT03732098 T AT 03732098T AT 03732098 T AT03732098 T AT 03732098T AT 541202 T AT541202 T AT 541202T
Authority
AT
Austria
Prior art keywords
niedrigkohärenzinterferometrie
lci
locating
oct
noise
Prior art date
Application number
AT03732098T
Other languages
German (de)
Inventor
Boer Johannes De
Guillermo Tearney
Brett Bouma
Original Assignee
Gen Hospital Corp
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 US35190402P priority Critical
Priority to US10/136,813 priority patent/US9897538B2/en
Application filed by Gen Hospital Corp filed Critical Gen Hospital Corp
Priority to PCT/US2003/002349 priority patent/WO2003062802A2/en
Publication of AT541202T publication Critical patent/AT541202T/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/68Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6847Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
    • A61B5/6852Catheters
    • 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
    • A61B5/0062Arrangements for scanning
    • A61B5/0066Optical coherence imaging
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00Instruments as specified in the subgroups and characterised by the use of optical measuring means
    • G01B9/02Interferometers for determining dimensional properties of, or relations between, measurement objects
    • G01B9/02001Interferometers for determining dimensional properties of, or relations between, measurement objects characterised by manipulating or generating specific radiation properties
    • G01B9/02007Two or more frequencies or sources used for interferometric measurement
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00Instruments as specified in the subgroups and characterised by the use of optical measuring means
    • G01B9/02Interferometers for determining dimensional properties of, or relations between, measurement objects
    • G01B9/02001Interferometers for determining dimensional properties of, or relations between, measurement objects characterised by manipulating or generating specific radiation properties
    • G01B9/02007Two or more frequencies or sources used for interferometric measurement
    • G01B9/02008Two or more frequencies or sources used for interferometric measurement by using a frequency comb
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00Instruments as specified in the subgroups and characterised by the use of optical measuring means
    • G01B9/02Interferometers for determining dimensional properties of, or relations between, measurement objects
    • G01B9/02015Interferometers for determining dimensional properties of, or relations between, measurement objects characterised by a particular beam path configuration
    • G01B9/02032Interferometers for determining dimensional properties of, or relations between, measurement objects characterised by a particular beam path configuration generating a spatial carrier frequency, e.g. by creating lateral or angular offset between reference and object beam
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00Instruments as specified in the subgroups and characterised by the use of optical measuring means
    • G01B9/02Interferometers for determining dimensional properties of, or relations between, measurement objects
    • G01B9/02041Interferometers for determining dimensional properties of, or relations between, measurement objects characterised by particular imaging or detection techniques
    • G01B9/02044Imaging in the frequency domain, e.g. by using a spectrometer
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00Instruments as specified in the subgroups and characterised by the use of optical measuring means
    • G01B9/02Interferometers for determining dimensional properties of, or relations between, measurement objects
    • G01B9/02091Tomographic low coherence interferometers, e.g. optical coherence tomography
    • 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
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47Scattering, i.e. diffuse reflection
    • G01N21/4795Scattering, i.e. diffuse reflection spatially resolved investigating of object in scattering medium
    • 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
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2290/00Aspects of interferometers not specifically covered by any group under G01B9/02
    • G01B2290/45Multiple detectors for detecting interferometer signals
AT03732098T 2001-04-30 2003-01-24 Apparatus and method for locating and reducing the noise of signals in the niedrigkohärenzinterferometrie (LCI) and optical coherence tomography (OCT) using parallel detection of spectral bands AT541202T (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US35190402P true 2002-01-24 2002-01-24
US10/136,813 US9897538B2 (en) 2001-04-30 2002-04-30 Method and apparatus for improving image clarity and sensitivity in optical coherence tomography using dynamic feedback to control focal properties and coherence gating
PCT/US2003/002349 WO2003062802A2 (en) 2002-01-24 2003-01-24 Apparatus and method for rangings and noise reduction of low coherence interferometry lci and optical coherence tomography (oct) signals by parallel detection of spectral bands

Publications (1)

Publication Number Publication Date
AT541202T true AT541202T (en) 2012-01-15

Family

ID=27616167

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03732098T AT541202T (en) 2001-04-30 2003-01-24 Apparatus and method for locating and reducing the noise of signals in the niedrigkohärenzinterferometrie (LCI) and optical coherence tomography (OCT) using parallel detection of spectral bands

Country Status (7)

Country Link
EP (1) EP1470410B1 (en)
JP (1) JP2005516187A (en)
CN (2) CN1623085A (en)
AT (1) AT541202T (en)
AU (1) AU2003210669B2 (en)
CA (1) CA2474331A1 (en)
WO (1) WO2003062802A2 (en)

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CA2474331A1 (en) 2003-07-31
AU2003210669A2 (en) 2003-09-02
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WO2003062802A2 (en) 2003-07-31
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