JP3998814B2 - 磁気共鳴イメージング装置 - Google Patents
磁気共鳴イメージング装置 Download PDFInfo
- Publication number
- JP3998814B2 JP3998814B2 JP16801598A JP16801598A JP3998814B2 JP 3998814 B2 JP3998814 B2 JP 3998814B2 JP 16801598 A JP16801598 A JP 16801598A JP 16801598 A JP16801598 A JP 16801598A JP 3998814 B2 JP3998814 B2 JP 3998814B2
- Authority
- JP
- Japan
- Prior art keywords
- distribution
- magnetic resonance
- temperature change
- calculating
- data
- 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
- 238000002595 magnetic resonance imaging Methods 0.000 title claims description 26
- 238000009826 distribution Methods 0.000 claims description 82
- 238000005481 NMR spectroscopy Methods 0.000 claims description 15
- 238000003384 imaging method Methods 0.000 claims description 13
- 238000012937 correction Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 12
- 238000005259 measurement Methods 0.000 claims description 12
- 238000007689 inspection Methods 0.000 claims description 11
- 230000003068 static effect Effects 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims 1
- 239000000284 extract Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 30
- 238000012545 processing Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000013532 laser treatment Methods 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Images
Classifications
-
- 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
- Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16801598A JP3998814B2 (ja) | 1998-06-16 | 1998-06-16 | 磁気共鳴イメージング装置 |
| US09/719,805 US6615069B1 (en) | 1998-06-16 | 1999-06-14 | Magnetic resonance imaging device |
| EP99957011A EP1088513A4 (en) | 1998-06-16 | 1999-06-14 | DEVICE FOR MAGNETIC RESONANCE IMAGING |
| PCT/JP1999/003149 WO1999065391A1 (fr) | 1998-06-16 | 1999-06-14 | Dispositif d'imagerie par resonance magnetique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16801598A JP3998814B2 (ja) | 1998-06-16 | 1998-06-16 | 磁気共鳴イメージング装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2000000224A JP2000000224A (ja) | 2000-01-07 |
| JP2000000224A5 JP2000000224A5 (enExample) | 2005-10-13 |
| JP3998814B2 true JP3998814B2 (ja) | 2007-10-31 |
Family
ID=15860233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16801598A Expired - Fee Related JP3998814B2 (ja) | 1998-06-16 | 1998-06-16 | 磁気共鳴イメージング装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6615069B1 (enExample) |
| EP (1) | EP1088513A4 (enExample) |
| JP (1) | JP3998814B2 (enExample) |
| WO (1) | WO1999065391A1 (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4443079B2 (ja) * | 2001-09-13 | 2010-03-31 | 株式会社日立メディコ | 磁気共鳴イメージング装置及び磁気共鳴イメージング装置用rf受信コイル |
| US7542793B2 (en) * | 2002-08-22 | 2009-06-02 | Mayo Foundation For Medical Education And Research | MR-guided breast tumor ablation and temperature imaging system |
| US20040199069A1 (en) * | 2003-04-02 | 2004-10-07 | Connelly Patrick R. | Device and method for preventing magnetic resonance imaging induced damage |
| 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 |
| JP5198859B2 (ja) | 2004-08-02 | 2013-05-15 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 位相マッピングと、位相基準として用いる基準媒体が関係するmri温度測定 |
| US20060064002A1 (en) * | 2004-09-20 | 2006-03-23 | Grist Thomas M | Method for monitoring thermal heating during magnetic resonance imaging |
| CN101849828B (zh) * | 2009-03-31 | 2012-12-05 | 株式会社东芝 | Mri装置 |
| US9468492B2 (en) * | 2010-06-03 | 2016-10-18 | Covidien Lp | Specific absorption rate measurement and energy-delivery device characterization using image analysis |
| US10024938B2 (en) | 2012-03-08 | 2018-07-17 | Schlumberger Technology Corporation | System and method for processing magnetic resonance signals |
| JP2021500126A (ja) * | 2017-10-19 | 2021-01-07 | プロファウンド メディカル インク | 熱治療のための処理システムおよびダイナミック補正方法 |
| US11191444B2 (en) | 2017-10-19 | 2021-12-07 | Profound Medical Inc. | Processing system and dynamic correction method for thermal therapy |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS618040A (ja) * | 1984-06-22 | 1986-01-14 | 株式会社東芝 | 診断用核磁気共鳴装置 |
| JP3160351B2 (ja) * | 1992-03-13 | 2001-04-25 | 株式会社東芝 | 磁気共鳴診断装置 |
| JPH0698875A (ja) * | 1992-09-22 | 1994-04-12 | Hitachi Ltd | 核磁気共鳴による位相分布の補正方法 |
| JP3373578B2 (ja) * | 1993-03-15 | 2003-02-04 | 株式会社東芝 | 磁気共鳴画像装置 |
| 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 |
| JP4318774B2 (ja) * | 1998-12-03 | 2009-08-26 | 株式会社日立メディコ | 磁気共鳴画像診断装置 |
| US6377834B1 (en) * | 1999-05-19 | 2002-04-23 | Wisconsin Alumni Research Foundation | Real time in vivo measurement of temperature changes with contrast enhanced NMR imaging |
-
1998
- 1998-06-16 JP JP16801598A patent/JP3998814B2/ja not_active Expired - Fee Related
-
1999
- 1999-06-14 EP EP99957011A patent/EP1088513A4/en not_active Withdrawn
- 1999-06-14 US US09/719,805 patent/US6615069B1/en not_active Expired - Fee Related
- 1999-06-14 WO PCT/JP1999/003149 patent/WO1999065391A1/ja not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US6615069B1 (en) | 2003-09-02 |
| EP1088513A4 (en) | 2006-01-25 |
| WO1999065391A1 (fr) | 1999-12-23 |
| EP1088513A1 (en) | 2001-04-04 |
| JP2000000224A (ja) | 2000-01-07 |
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