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 PDF

Info

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
Application number
JP16801598A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000000224A (ja
JP2000000224A5 (enExample
Inventor
和美 西村
哲彦 高橋
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.)
Hitachi Healthcare Manufacturing Ltd
Original Assignee
Hitachi Medical 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
Application filed by Hitachi Medical Corp filed Critical Hitachi Medical Corp
Priority to JP16801598A priority Critical patent/JP3998814B2/ja
Priority to US09/719,805 priority patent/US6615069B1/en
Priority to EP99957011A priority patent/EP1088513A4/en
Priority to PCT/JP1999/003149 priority patent/WO1999065391A1/ja
Publication of JP2000000224A publication Critical patent/JP2000000224A/ja
Publication of JP2000000224A5 publication Critical patent/JP2000000224A5/ja
Application granted granted Critical
Publication of JP3998814B2 publication Critical patent/JP3998814B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48NMR imaging systems
    • G01R33/4804Spatially 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)
JP16801598A 1998-06-16 1998-06-16 磁気共鳴イメージング装置 Expired - Fee Related JP3998814B2 (ja)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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

Similar Documents

Publication Publication Date Title
US9618594B2 (en) Contrast enhanced magnetic resonance angiography with chemical shift encoding for fat suppression
US6566878B1 (en) Magnetic resonance imaging device and method therefor
EP3387457B1 (en) Diffusion mri method for generating a synthetic diffusion image at a high b-value
JP2000135206A (ja) 4重フィ―ルドエコ―シ―ケンスを用いて水と脂肪を定量的にmr撮影する方法および装置
Barral et al. Diffusion-weighted MR imaging of the normal pancreas: reproducibility and variations of apparent diffusion coefficient measurement at 1.5-and 3.0-Tesla
JP6458170B2 (ja) Rfコイル感度マッピングを用いるパラレルmr撮像
US10031205B2 (en) Magnetic resonance imaging apparatus and magnetic resonance imaging method
US8848992B2 (en) Susceptibility gradient mapping
US12019134B2 (en) MR electric properties tomography without contrast agent
EP3635426B1 (en) Dual-echo dixon-type water/fat separation mr imaging
Yarnykh et al. Scan–Rescan Repeatability and Impact of B0 and B1 Field Nonuniformity Corrections in Single‐Point Whole‐Brain Macromolecular Proton Fraction Mapping
JP6713988B2 (ja) 血流アーチファクトを抑制させたDixonMR撮像
JP3998814B2 (ja) 磁気共鳴イメージング装置
US20220057467A1 (en) Epi mr imaging with distortion correction
US20160252595A1 (en) Mr imaging with temperature mapping
US6906515B2 (en) Magnetic resonance imaging device and method
JP3964110B2 (ja) 磁気共鳴イメージング装置
Weingärtner et al. Black‐blood native T 1 mapping: Blood signal suppression for reduced partial voluming in the myocardium
US20230038530A1 (en) Mr imaging using dixon-type water/fat separation with suppression of flow-induced leakage and/or swapping artifacts
JP2000237160A (ja) 磁気共鳴画像診断装置
Sengupta et al. Whole‐body continuously moving table fat–water MRI with dynamic B0 shimming at 3 Tesla
Blagoiev Implementation and verification of a quantitative MRI method for creating and evaluating synthetic MR images
JPH07255702A (ja) 磁気共鳴イメージング装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050601

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20050601

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20070327

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20070522

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20070807

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20070808

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100817

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100817

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110817

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120817

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120817

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130817

Year of fee payment: 6

LAPS Cancellation because of no payment of annual fees