JP4309755B2 - 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
JP4309755B2
JP4309755B2 JP2003424326A JP2003424326A JP4309755B2 JP 4309755 B2 JP4309755 B2 JP 4309755B2 JP 2003424326 A JP2003424326 A JP 2003424326A JP 2003424326 A JP2003424326 A JP 2003424326A JP 4309755 B2 JP4309755 B2 JP 4309755B2
Authority
JP
Japan
Prior art keywords
magnetic field
gradient magnetic
unit
time
change
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
JP2003424326A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005177236A (ja
JP2005177236A5 (enExample
Inventor
正昭 山中
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.)
Toshiba Corp
Canon Medical Systems Corp
Original Assignee
Toshiba Corp
Toshiba Medical Systems 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 Toshiba Corp, Toshiba Medical Systems Corp filed Critical Toshiba Corp
Priority to JP2003424326A priority Critical patent/JP4309755B2/ja
Priority to US11/016,996 priority patent/US7259560B2/en
Priority to CNB2004101046210A priority patent/CN100339049C/zh
Publication of JP2005177236A publication Critical patent/JP2005177236A/ja
Publication of JP2005177236A5 publication Critical patent/JP2005177236A5/ja
Application granted granted Critical
Publication of JP4309755B2 publication Critical patent/JP4309755B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • 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]
    • G01R33/443—Assessment of an electric or a magnetic field, e.g. spatial mapping, determination of a B0 drift or dosimetry

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2003424326A 2003-12-22 2003-12-22 磁気共鳴イメージング装置 Expired - Fee Related JP4309755B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2003424326A JP4309755B2 (ja) 2003-12-22 2003-12-22 磁気共鳴イメージング装置
US11/016,996 US7259560B2 (en) 2003-12-22 2004-12-21 Magnetic resonance imaging apparatus and method
CNB2004101046210A CN100339049C (zh) 2003-12-22 2004-12-22 磁共振成像装置和磁共振成像装置的控制方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003424326A JP4309755B2 (ja) 2003-12-22 2003-12-22 磁気共鳴イメージング装置

Publications (3)

Publication Number Publication Date
JP2005177236A JP2005177236A (ja) 2005-07-07
JP2005177236A5 JP2005177236A5 (enExample) 2007-02-15
JP4309755B2 true JP4309755B2 (ja) 2009-08-05

Family

ID=34675389

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003424326A Expired - Fee Related JP4309755B2 (ja) 2003-12-22 2003-12-22 磁気共鳴イメージング装置

Country Status (3)

Country Link
US (1) US7259560B2 (enExample)
JP (1) JP4309755B2 (enExample)
CN (1) CN100339049C (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12402802B2 (en) 2011-08-31 2025-09-02 Insightec Ltd. Avoiding MRI-interference with co-existing systems
US20130053678A1 (en) * 2011-08-31 2013-02-28 Shuki Vitek Avoiding MRI-Interference with Co-existing Systems
WO2016142174A1 (en) * 2015-03-09 2016-09-15 Koninklijke Philips N.V. Method and safety module for an automatic or semi-automatic detection whether an mr examination of a person is approved with a predetermined mr system
DE102016217223A1 (de) * 2016-09-09 2018-03-15 Siemens Healthcare Gmbh Überprüfung einer zeitlichen Änderung eines Magnetfeldes in einer Magnetresonanzvorrichtung
US10684336B2 (en) * 2018-10-24 2020-06-16 General Electric Company Radiofrequency coil and shield in magnetic resonance imaging method and apparatus

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4991587A (en) * 1985-08-09 1991-02-12 Picker International, Inc. Adaptive filtering of physiological signals in physiologically gated magnetic resonance imaging
JP3128228B2 (ja) 1990-07-13 2001-01-29 株式会社東芝 磁気共鳴映像装置
JP3153572B2 (ja) 1991-08-12 2001-04-09 株式会社東芝 磁気共鳴映像装置
JP4127889B2 (ja) * 1998-03-04 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
JP4191884B2 (ja) * 2000-08-18 2008-12-03 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 画像処理方法、画像処理装置および画像撮影装置
US7565189B2 (en) * 2001-11-01 2009-07-21 Peter Mansfield MRI gradient coils with reduced neural stimulation
DE10214736B4 (de) * 2002-04-03 2005-03-31 Siemens Ag Verfahren zur Optimierung der k-Raum-Trajektorien bei der Ortskodierung eines Magnetresonanz-Tomographiegerätes und Gerät zur Durchführung des Verfahrens
US7047062B2 (en) * 2002-05-16 2006-05-16 Ge Medical Systems Global Technology Company, Llc Magnetic resonance imaging with nested gradient pulses
DE10318428A1 (de) * 2003-04-23 2004-11-25 Siemens Ag Echtzeit-gesteuerte optimierte Magnet-Resonanz-Bildgebung unter Berücksichtigung von Geräte- und Patienten-spezifischen Grenzwerten

Also Published As

Publication number Publication date
US20050134273A1 (en) 2005-06-23
JP2005177236A (ja) 2005-07-07
US7259560B2 (en) 2007-08-21
CN100339049C (zh) 2007-09-26
CN1636509A (zh) 2005-07-13

Similar Documents

Publication Publication Date Title
US7602185B2 (en) Magnetic resonance imaging apparatus and magnetic resonance imaging method
US10470685B2 (en) Method and apparatus for capturing magnetic resonance image
KR20010113535A (ko) 이미지 처리 장치 및 그 방법, 촬상 장치 및 기록 매체
JP2003260037A (ja) 磁気共鳴信号獲得装置および磁気共鳴撮影装置
JP4309755B2 (ja) 磁気共鳴イメージング装置
JP2005087375A (ja) 磁気共鳴撮影装置および磁気共鳴画像生成方法
JP5377838B2 (ja) 磁気共鳴イメージング装置
JPH0274236A (ja) 磁気共鳴イメージング装置
JP5289011B2 (ja) 磁気共鳴イメージング装置および画像再構成方法
JPH11262479A (ja) 連続ｍｒｉ画像再構成方法及び装置
JP4497973B2 (ja) 磁気共鳴イメージング装置
US11703558B1 (en) System and method for utilizing dual spatial saturation pulses to compensate for chemical shift displacement in a spatial saturation band
KR101641661B1 (ko) 자기 공명 시스템의 이중 에코 노출로부터 미가공 데이터 집합을 생성하는 방법, 및 대응하게 설계된 자기 공명 시스템
JPH11113882A (ja) 拡散スペクトルｍｒｉ
JP4253241B2 (ja) 磁気共鳴イメージング装置
JPH04294504A (ja) 磁気共鳴イメージング装置
US12376759B2 (en) System and method for improving magnetic resonance scanning workflow
Prost et al. How does an MR scanner operate?
JPH07194575A (ja) 磁気共鳴イメージング装置
JP7557741B2 (ja) 磁気共鳴イメージング装置、画像補正方法、および静磁場不均一補正方法
JP4371510B2 (ja) 磁気共鳴イメージング装置
JPH11225987A (ja) 磁気共鳴イメージング装置
JP2008259749A (ja) 磁気共鳴イメージング装置
JPS63109847A (ja) 核磁気共鳴映像装置
US10788560B2 (en) Verifying specifications for magnetic resonance examinations

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20061221

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20061221

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20080708

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20080715

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080916

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090120

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090323

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: 20090414

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20090508

R150 Certificate of patent or registration of utility model

Ref document number: 4309755

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

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

Free format text: PAYMENT UNTIL: 20120515

Year of fee payment: 3

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

Free format text: PAYMENT UNTIL: 20120515

Year of fee payment: 3

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

Free format text: PAYMENT UNTIL: 20130515

Year of fee payment: 4

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

Free format text: PAYMENT UNTIL: 20130515

Year of fee payment: 4

R154 Certificate of patent or utility model (reissue)

Free format text: JAPANESE INTERMEDIATE CODE: R154

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

Free format text: PAYMENT UNTIL: 20130515

Year of fee payment: 4

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

Free format text: PAYMENT UNTIL: 20140515

Year of fee payment: 5

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313117

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

S533 Written request for registration of change of name

Free format text: JAPANESE INTERMEDIATE CODE: R313533

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

LAPS Cancellation because of no payment of annual fees