JP4318774B2 - 磁気共鳴画像診断装置 - Google Patents
磁気共鳴画像診断装置 Download PDFInfo
- Publication number
- JP4318774B2 JP4318774B2 JP34440198A JP34440198A JP4318774B2 JP 4318774 B2 JP4318774 B2 JP 4318774B2 JP 34440198 A JP34440198 A JP 34440198A JP 34440198 A JP34440198 A JP 34440198A JP 4318774 B2 JP4318774 B2 JP 4318774B2
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- Prior art keywords
- magnetic field
- phase
- gradient magnetic
- magnetic resonance
- applying
- 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
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- 238000002595 magnetic resonance imaging Methods 0.000 title claims 3
- 238000009826 distribution Methods 0.000 claims description 32
- 230000005415 magnetization Effects 0.000 claims description 27
- 238000001514 detection method Methods 0.000 claims description 11
- 238000002592 echocardiography Methods 0.000 claims description 9
- 230000003068 static effect Effects 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000002059 diagnostic imaging Methods 0.000 claims 2
- 238000005259 measurement Methods 0.000 description 34
- 238000000034 method Methods 0.000 description 27
- 230000008859 change Effects 0.000 description 21
- 230000005284 excitation Effects 0.000 description 18
- 238000003384 imaging method Methods 0.000 description 14
- 239000000126 substance Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000009529 body temperature measurement Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000608 laser ablation Methods 0.000 description 4
- 206010028980 Neoplasm Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 244000126211 Hericium coralloides Species 0.000 description 1
- 206010019909 Hernia Diseases 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 1
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- 238000001356 surgical procedure Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
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- 238000002604 ultrasonography Methods 0.000 description 1
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Images
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/4804—Spatially selective measurement of temperature or pH
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Animal Behavior & Ethology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Artificial Intelligence (AREA)
- Signal Processing (AREA)
- Psychiatry (AREA)
- Mathematical Physics (AREA)
- Physiology (AREA)
- Radiology & Medical Imaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Image Processing (AREA)
- Image Analysis (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34440198A JP4318774B2 (ja) | 1998-12-03 | 1998-12-03 | 磁気共鳴画像診断装置 |
| PCT/JP1999/006797 WO2000032107A1 (en) | 1998-12-03 | 1999-12-03 | Magnetic resonance image diagnosing apparatus |
| US09/857,304 US6445183B1 (en) | 1998-12-03 | 1999-12-03 | Magnetic resonance image diagnosing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP34440198A JP4318774B2 (ja) | 1998-12-03 | 1998-12-03 | 磁気共鳴画像診断装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2000166892A JP2000166892A (ja) | 2000-06-20 |
| JP2000166892A5 JP2000166892A5 (enExample) | 2006-03-23 |
| JP4318774B2 true JP4318774B2 (ja) | 2009-08-26 |
Family
ID=18368976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP34440198A Expired - Fee Related JP4318774B2 (ja) | 1998-12-03 | 1998-12-03 | 磁気共鳴画像診断装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6445183B1 (enExample) |
| JP (1) | JP4318774B2 (enExample) |
| WO (1) | WO2000032107A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017061782A1 (ko) * | 2015-10-06 | 2017-04-13 | 주식회사 에코에프엠 | 비정질 금속 포일을 이용한 휴대폰 케이스 제조 방법 및 이로 제조된 휴대폰 케이스 |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3998814B2 (ja) * | 1998-06-16 | 2007-10-31 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
| JP3964110B2 (ja) * | 2000-08-11 | 2007-08-22 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
| US7526112B2 (en) | 2001-04-30 | 2009-04-28 | Chase Medical, L.P. | System and method for facilitating cardiac intervention |
| US7327862B2 (en) * | 2001-04-30 | 2008-02-05 | Chase Medical, L.P. | System and method for facilitating cardiac intervention |
| JP4127998B2 (ja) * | 2001-11-15 | 2008-07-30 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
| US7620440B2 (en) * | 2002-05-17 | 2009-11-17 | Case Western Reserve University | Direct temporal encoding of spatial information |
| US7542793B2 (en) * | 2002-08-22 | 2009-06-02 | Mayo Foundation For Medical Education And Research | MR-guided breast tumor ablation and temperature imaging system |
| EP1593087A4 (en) * | 2003-01-30 | 2006-10-04 | Chase Medical Lp | METHOD AND SYSTEM FOR IMAGE PROCESSING AND CONTOUR EVALUATION |
| US20050043609A1 (en) * | 2003-01-30 | 2005-02-24 | Gregory Murphy | System and method for facilitating cardiac intervention |
| AU2003901659A0 (en) * | 2003-04-09 | 2003-05-01 | Inner Vision Biometrics Pty Ltd | Method of estimating the spatial variation of magnetic resonance imaging radiofrequency (RF) signal intensities within an object from the measured intensities in a uniform spin density medium surrounding the object |
| AU2004236364B2 (en) * | 2003-04-09 | 2009-07-09 | Resonance Health Analysis Services Pty Ltd | Method of estimating the spatial variation of magnetic resonance imaging radiofrequency (RF) signal intensities within an object from the measured intensities in a uniform spin density medium surrounding the object |
| JP4639045B2 (ja) * | 2003-07-11 | 2011-02-23 | 財団法人先端医療振興財団 | 磁気共鳴断層画像法による自己参照型・体動追従型の非侵襲体内温度分布計測方法及びその装置 |
| US20070014452A1 (en) * | 2003-12-01 | 2007-01-18 | Mitta Suresh | Method and system for image processing and assessment of a state of a heart |
| US7333643B2 (en) * | 2004-01-30 | 2008-02-19 | Chase Medical, L.P. | System and method for facilitating cardiac intervention |
| US7508205B2 (en) * | 2004-04-29 | 2009-03-24 | Koninklijke Philips Electronics N.V. | Magnetic resonance imaging system, a method of magnetic resonance imaging and a computer program |
| US10463886B2 (en) * | 2007-02-22 | 2019-11-05 | Ramot At Tel-Aviv University Ltd. | Treating weakened vessel wall such as vulnerable plaque or aneurysms |
| US20080292167A1 (en) * | 2007-05-24 | 2008-11-27 | Nick Todd | Method and system for constrained reconstruction applied to magnetic resonance temperature mapping |
| US20090287120A1 (en) | 2007-12-18 | 2009-11-19 | Searete Llc, A Limited Liability Corporation Of The State Of Delaware | Circulatory monitoring systems and methods |
| US8636670B2 (en) | 2008-05-13 | 2014-01-28 | The Invention Science Fund I, Llc | Circulatory monitoring systems and methods |
| US9717896B2 (en) | 2007-12-18 | 2017-08-01 | Gearbox, Llc | Treatment indications informed by a priori implant information |
| US9399148B2 (en) * | 2009-06-02 | 2016-07-26 | Koninklijke Philips N.V. | MR imaging guided theraphy |
| DE102010039693B4 (de) * | 2010-08-24 | 2012-10-31 | Siemens Aktiengesellschaft | Phasensensitive Magnetresonanz-Bildgebung |
| EP2500740A1 (en) * | 2011-03-17 | 2012-09-19 | Koninklijke Philips Electronics N.V. | Accelerated magnetic resonance thermometry |
| CN102488497B (zh) * | 2011-12-12 | 2014-07-02 | 中国科学院深圳先进技术研究院 | 磁共振温度测量方法及系统 |
| US11484207B2 (en) * | 2018-04-06 | 2022-11-01 | Soochow University | Method and system for correcting focus location in magnetic resonance guided focused ultrasound surgery |
| JP2023038799A (ja) * | 2021-09-07 | 2023-03-17 | キヤノンメディカルシステムズ株式会社 | データ処理装置、磁気共鳴イメージング装置及びデータ処理方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0811112B2 (ja) * | 1985-03-11 | 1996-02-07 | 株式会社日立製作所 | 核磁気共鳴を用いた検査装置 |
| JPH02241432A (ja) * | 1989-03-15 | 1990-09-26 | Hitachi Ltd | 核磁気共鳴イメージング方法 |
| JP3519486B2 (ja) * | 1995-03-15 | 2004-04-12 | 株式会社東芝 | 磁気共鳴診断装置 |
| US5711300A (en) * | 1995-08-16 | 1998-01-27 | General Electric Company | Real time in vivo measurement of temperature changes with NMR imaging |
| JP3586047B2 (ja) * | 1995-09-13 | 2004-11-10 | 株式会社東芝 | 磁気共鳴診断装置 |
| JP3525007B2 (ja) * | 1996-03-28 | 2004-05-10 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
-
1998
- 1998-12-03 JP JP34440198A patent/JP4318774B2/ja not_active Expired - Fee Related
-
1999
- 1999-12-03 US US09/857,304 patent/US6445183B1/en not_active Expired - Fee Related
- 1999-12-03 WO PCT/JP1999/006797 patent/WO2000032107A1/ja not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017061782A1 (ko) * | 2015-10-06 | 2017-04-13 | 주식회사 에코에프엠 | 비정질 금속 포일을 이용한 휴대폰 케이스 제조 방법 및 이로 제조된 휴대폰 케이스 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000166892A (ja) | 2000-06-20 |
| US6445183B1 (en) | 2002-09-03 |
| WO2000032107A1 (en) | 2000-06-08 |
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