DE60320024D1 - Spektroskopisches Kathetersystem mit leistungsstabiler abstimmbarer Lichtquelle - Google Patents
Spektroskopisches Kathetersystem mit leistungsstabiler abstimmbarer LichtquelleInfo
- 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
Links
- 239000000835 fiber Substances 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 abstract 1
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 pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- 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
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Surgery (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Plasma & Fusion (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Physiology (AREA)
- Otolaryngology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Semiconductor Lasers (AREA)
- Lasers (AREA)
- Spectrometry And Color Measurement (AREA)
- Endoscopes (AREA)
- Laser Surgery Devices (AREA)
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 (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1551299A4 (de) * | 2002-08-05 | 2010-01-20 | Infraredx Inc | Spektroskopische nahinfrarotanalyse von blutgefässwänden |
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 |
EP1856777A4 (de) * | 2005-01-24 | 2009-04-29 | Thorlabs Inc | Kompakter multimodus-laser mit schneller wellenlängenabtastung |
US7310357B2 (en) * | 2005-03-02 | 2007-12-18 | Infraredx, Inc. | Providing low-coherence light |
WO2007084981A2 (en) * | 2006-01-19 | 2007-07-26 | 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 |
WO2008103982A2 (en) * | 2007-02-23 | 2008-08-28 | 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 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5318024A (en) * | 1985-03-22 | 1994-06-07 | Massachusetts Institute Of Technology | Laser endoscope for spectroscopic imaging |
US5104392A (en) * | 1985-03-22 | 1992-04-14 | Massachusetts Institute Of Technology | Laser spectro-optic imaging for diagnosis and treatment of diseased tissue |
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 |
CA2084077C (en) * | 1990-06-06 | 2003-04-22 | Herman Leonard Lowenhar | Fiber optics system |
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 |
EP1168538A4 (de) | 2000-02-03 | 2005-11-23 | Furukawa Electric Co Ltd | Halbleiterlasermodul und diese enthaltende pumplichtquelle |
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 |
-
2002
- 2002-12-09 US US10/314,648 patent/US6980573B2/en not_active Expired - Lifetime
-
2003
- 2003-12-09 WO PCT/US2003/039173 patent/WO2004054048A2/en active Application Filing
- 2003-12-09 AU AU2003299594A patent/AU2003299594A1/en not_active Abandoned
- 2003-12-09 EP EP07019656A patent/EP1868267A3/de not_active Withdrawn
- 2003-12-09 DE DE60320024T patent/DE60320024T2/de not_active Expired - Fee Related
- 2003-12-09 EP EP03799880A patent/EP1579539B1/de not_active Expired - Lifetime
- 2003-12-09 AT AT03799880T patent/ATE390743T1/de not_active IP Right Cessation
- 2003-12-09 JP JP2004558626A patent/JP2006509210A/ja active Pending
-
2005
- 2005-08-18 US US11/207,042 patent/US20050286571A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP1579539A2 (de) | 2005-09-28 |
EP1579539B1 (de) | 2008-03-26 |
WO2004054048A3 (en) | 2005-09-09 |
WO2004054048A2 (en) | 2004-06-24 |
EP1579539A3 (de) | 2005-11-02 |
EP1868267A2 (de) | 2007-12-19 |
AU2003299594A1 (en) | 2004-06-30 |
AU2003299594A8 (en) | 2004-06-30 |
ATE390743T1 (de) | 2008-04-15 |
DE60320024T2 (de) | 2009-07-23 |
JP2006509210A (ja) | 2006-03-16 |
US20050286571A1 (en) | 2005-12-29 |
US6980573B2 (en) | 2005-12-27 |
EP1868267A3 (de) | 2008-01-16 |
US20040109478A1 (en) | 2004-06-10 |
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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 |