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DE60320024D1 - Spektroskopisches Kathetersystem mit leistungsstabiler abstimmbarer Lichtquelle - Google Patents

Spektroskopisches Kathetersystem mit leistungsstabiler abstimmbarer Lichtquelle

Info

Publication number
DE60320024D1
DE60320024D1 DE60320024T DE60320024T DE60320024D1 DE 60320024 D1 DE60320024 D1 DE 60320024D1 DE 60320024 T DE60320024 T DE 60320024T DE 60320024 T DE60320024 T DE 60320024T DE 60320024 D1 DE60320024 D1 DE 60320024D1
Authority
DE
Germany
Prior art keywords
catheter system
light source
cavity
tunable light
reduce
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.)
Expired - Fee Related
Application number
DE60320024T
Other languages
English (en)
Other versions
DE60320024T2 (de
Inventor
Jeffrey A Korn
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.)
Infraredx Inc
Original Assignee
Infraredx Inc
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 Infraredx Inc filed Critical Infraredx Inc
Application granted granted Critical
Publication of DE60320024D1 publication Critical patent/DE60320024D1/de
Publication of DE60320024T2 publication Critical patent/DE60320024T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
    • A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
    • A61B18/24—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor with a catheter
    • 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
    • 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
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/02007—Evaluating blood vessel condition, e.g. elasticity, compliance
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/105—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length
    • H01S3/1055—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length one of the reflectors being constituted by a diffraction grating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/14—External cavity lasers
    • H01S5/141—External cavity lasers using a wavelength selective device, e.g. a grating or etalon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/14—External cavity lasers
    • H01S5/146—External cavity lasers using a fiber as external cavity
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068—Stabilisation of laser output parameters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
    • H01S5/1039—Details on the cavity length

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Surgery (AREA)
  • Medical Informatics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Vascular Medicine (AREA)
  • Cardiology (AREA)
  • Physiology (AREA)
  • Otolaryngology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Semiconductor Lasers (AREA)
  • Lasers (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Laser Surgery Devices (AREA)
  • Endoscopes (AREA)
DE60320024T 2002-12-09 2003-12-09 Spektroskopisches Kathetersystem mit leistungsstabiler abstimmbarer Lichtquelle Expired - Fee Related DE60320024T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/314,648 US6980573B2 (en) 2002-12-09 2002-12-09 Tunable spectroscopic source with power stability and method of operation
US314648 2002-12-09
PCT/US2003/039173 WO2004054048A2 (en) 2002-12-09 2003-12-09 Tunable spectroscopic source with power stability and method of operation

Publications (2)

Publication Number Publication Date
DE60320024D1 true DE60320024D1 (de) 2008-05-08
DE60320024T2 DE60320024T2 (de) 2009-07-23

Family

ID=32468524

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60320024T Expired - Fee Related DE60320024T2 (de) 2002-12-09 2003-12-09 Spektroskopisches Kathetersystem mit leistungsstabiler abstimmbarer Lichtquelle

Country Status (7)

Country Link
US (2) US6980573B2 (de)
EP (2) EP1868267A3 (de)
JP (1) JP2006509210A (de)
AT (1) ATE390743T1 (de)
AU (1) AU2003299594A1 (de)
DE (1) DE60320024T2 (de)
WO (1) WO2004054048A2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7376456B2 (en) * 2002-08-05 2008-05-20 Infraredx, Inc. Near-infrared spectroscopic analysis of blood vessel walls
US7535935B2 (en) * 2002-09-27 2009-05-19 Infraredx, Inc. Spectroscopic catheter system with widely tunable source and method of operation
US7046668B2 (en) * 2003-01-21 2006-05-16 Pettey Christopher J Method and apparatus for shared I/O in a load/store fabric
US7218443B2 (en) * 2003-02-25 2007-05-15 Toptica Photonics Ag Generation of tunable light pulses
US20050231728A1 (en) * 2004-04-15 2005-10-20 Anbo Wang Q-point stabilization for linear interferometric sensors using tunable diffraction grating
CN101194402B (zh) * 2005-01-24 2011-04-20 索尔实验室公司 具有快速波长扫描的紧凑多模激光器
US7310357B2 (en) * 2005-03-02 2007-12-18 Infraredx, Inc. Providing low-coherence light
US20090227997A1 (en) * 2006-01-19 2009-09-10 The Regents Of The University Of Michigan System and method for photoacoustic imaging and monitoring of laser therapy
WO2008067438A2 (en) * 2006-11-29 2008-06-05 The Regents Of University Of Michigan System and method for photoacoustic guided diffuse optical imaging
US20080173093A1 (en) * 2007-01-18 2008-07-24 The Regents Of The University Of Michigan System and method for photoacoustic tomography of joints
US20080221647A1 (en) * 2007-02-23 2008-09-11 The Regents Of The University Of Michigan System and method for monitoring photodynamic therapy
US8734333B2 (en) * 2009-03-18 2014-05-27 Fujifilm Corporation Endoscope system, endoscope video processor and method of driving endoscope system
US8958867B2 (en) 2011-08-29 2015-02-17 Infraredx, Inc. Detection of lipid core plaque cap thickness
US10776654B2 (en) 2015-03-10 2020-09-15 Infraredx, Inc. Assessment of lipid core plaque integrity
WO2022132837A1 (en) 2020-12-14 2022-06-23 Cutera, Inc. Dermatological laser systems and methods for treatment of tissue with poor chromophore selectivity

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5104392A (en) * 1985-03-22 1992-04-14 Massachusetts Institute Of Technology Laser spectro-optic imaging for diagnosis and treatment of diseased tissue
US5318024A (en) * 1985-03-22 1994-06-07 Massachusetts Institute Of Technology Laser endoscope for spectroscopic imaging
US5077747A (en) 1989-08-30 1991-12-31 The United States Of America As Represented By The Secretary Of The Air Force Alignment-insensitive method for wideband tuning of an unmodified semiconductor laser
EP0533843B1 (de) * 1990-06-06 1998-01-21 Kol Ohr Corporation Abstimmbare Lichtquelle und faseroptische Systeme mit abstimmbarer Lichtquelle
US5263037A (en) * 1990-08-01 1993-11-16 Hewlett-Packard Company Optical oscillator sweeper
US5140599A (en) * 1990-08-01 1992-08-18 Hewlett-Packard Company Optical oscillator sweeper
US5022042A (en) 1990-09-10 1991-06-04 General Dynamics Corp. High power laser array with stable wavelength
US5772597A (en) * 1992-09-14 1998-06-30 Sextant Medical Corporation Surgical tool end effector
US5537432A (en) * 1993-01-07 1996-07-16 Sdl, Inc. Wavelength-stabilized, high power semiconductor laser
US5428635A (en) 1994-01-11 1995-06-27 American Biogenetic Sciences, Inc. Multi-wavelength tunable laser
US5697373A (en) * 1995-03-14 1997-12-16 Board Of Regents, The University Of Texas System Optical method and apparatus for the diagnosis of cervical precancers using raman and fluorescence spectroscopies
US5735276A (en) * 1995-03-21 1998-04-07 Lemelson; Jerome Method and apparatus for scanning and evaluating matter
JP3526671B2 (ja) * 1995-08-25 2004-05-17 アンリツ株式会社 レーザ光源装置
US5724377A (en) 1996-02-29 1998-03-03 Lucent Technologies Inc. Method and apparatus for improving the instability of a laser
JP3337403B2 (ja) * 1997-09-19 2002-10-21 日本電信電話株式会社 周波数安定化レーザ
US6055451A (en) * 1997-12-12 2000-04-25 Spectrx, Inc. Apparatus and method for determining tissue characteristics
US6174291B1 (en) * 1998-03-09 2001-01-16 Spectrascience, Inc. Optical biopsy system and methods for tissue diagnosis
JP3197869B2 (ja) 1998-03-31 2001-08-13 アンリツ株式会社 波長可変レーザ光源装置
US6370169B1 (en) * 1998-04-22 2002-04-09 Nippon Telegraph & Telephone Corporation Method and apparatus for controlling optical wavelength based on optical frequency pulling
US6388782B1 (en) * 1998-06-01 2002-05-14 Sarnoff Corporation Multi-wavelength dense wavelength division multiplexed optical switching systems
US6088373A (en) 1999-02-17 2000-07-11 Lucent Technologies Inc. Hybrid tunable Bragg laser
JP2000353856A (ja) 1999-06-11 2000-12-19 Nec Corp 半導体レーザモジュ−ル
US6564088B1 (en) * 2000-01-21 2003-05-13 University Of Massachusetts Probe for localized tissue spectroscopy
WO2001057976A1 (en) 2000-02-03 2001-08-09 The Furukawa Electric Co., Ltd. Semiconductor laser module and pumping light source comprising the same
US6683895B2 (en) 2000-07-26 2004-01-27 Southwest Sciences Incorporated Wavelength agile external cavity diode laser
US6480513B1 (en) 2000-10-03 2002-11-12 K2 Optronics, Inc. Tunable external cavity laser
US6654630B2 (en) * 2001-05-31 2003-11-25 Infraredx, Inc. Apparatus and method for the optical imaging of tissue samples

Also Published As

Publication number Publication date
WO2004054048A2 (en) 2004-06-24
DE60320024T2 (de) 2009-07-23
EP1868267A3 (de) 2008-01-16
ATE390743T1 (de) 2008-04-15
EP1579539A2 (de) 2005-09-28
US20040109478A1 (en) 2004-06-10
EP1579539B1 (de) 2008-03-26
US20050286571A1 (en) 2005-12-29
US6980573B2 (en) 2005-12-27
EP1579539A3 (de) 2005-11-02
JP2006509210A (ja) 2006-03-16
AU2003299594A1 (en) 2004-06-30
EP1868267A2 (de) 2007-12-19
WO2004054048A3 (en) 2005-09-09
AU2003299594A8 (en) 2004-06-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee