CN101919696B - 用于磁共振rf场测量的系统、方法和设备 - Google Patents

用于磁共振rf场测量的系统、方法和设备 Download PDF

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CN101919696B
CN101919696B CN201010213443.0A CN201010213443A CN101919696B CN 101919696 B CN101919696 B CN 101919696B CN 201010213443 A CN201010213443 A CN 201010213443A CN 101919696 B CN101919696 B CN 101919696B
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pulse
resonant
frequency
resonance
nuclei
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CN101919696A (zh
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L·I·萨科利克
M·W·富格尔
F·维辛格
I·汉库
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GE Precision Healthcare LLC
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General Electric Co
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    • 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
    • G01R33/24—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/246—Spatial mapping of the RF magnetic field B1
    • 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
    • G01R33/58—Calibration of imaging systems, e.g. using test probes, Phantoms; Calibration objects or fiducial markers such as active or passive RF coils surrounding an MR active material
    • G01R33/583—Calibration of signal excitation or detection systems, e.g. for optimal RF excitation power or frequency

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Pathology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201010213443.0A 2009-06-15 2010-06-13 用于磁共振rf场测量的系统、方法和设备 Active CN101919696B (zh)

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Application Number Priority Date Filing Date Title
US12/484457 2009-06-15
US12/484,457 US8198891B2 (en) 2009-06-15 2009-06-15 System, method, and apparatus for magnetic resonance RF-field measurement

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CN101919696A CN101919696A (zh) 2010-12-22
CN101919696B true CN101919696B (zh) 2014-02-26

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US (1) US8198891B2 (https=)
JP (1) JP5530259B2 (https=)
CN (1) CN101919696B (https=)
DE (1) DE102010017315A1 (https=)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5726203B2 (ja) * 2010-11-05 2015-05-27 株式会社日立メディコ 磁気共鳴撮像装置、照射磁場計測方法
US8942931B2 (en) * 2011-04-20 2015-01-27 General Electric Company System and method for determining electrical properties using magnetic resonance imaging
US8558547B2 (en) 2011-05-05 2013-10-15 General Electric Company System and method for magnetic resonance radio-frequency field mapping
US8598880B2 (en) * 2011-05-18 2013-12-03 General Electric Company Method and apparatus for imaging a subject using local surface coils
KR101453297B1 (ko) * 2011-08-19 2014-10-22 삼성전자주식회사 복수 타입의 자기 공명 영상들을 동시에 생성하는 장치 및 방법
JP5917077B2 (ja) 2011-10-13 2016-05-11 株式会社東芝 磁気共鳴イメージング装置
US9086446B2 (en) 2011-11-29 2015-07-21 General Electric Company Method and system for B1 field mapping in magnetic resonance imaging
EP2615470A1 (en) 2012-01-12 2013-07-17 Koninklijke Philips Electronics N.V. MR imaging with B1 mapping
EP2624004A1 (en) * 2012-02-06 2013-08-07 Koninklijke Philips Electronics N.V. Temperature determination using magnetic resonance B1 field mapping
DE102012203111B4 (de) * 2012-02-29 2014-01-23 Siemens Aktiengesellschaft B1-Feld-basierte Regelung innerhalb einer MR-Sequenz
DE102012203453B4 (de) 2012-03-05 2014-07-03 Siemens Aktiengesellschaft Verfahren zur Ermittlung eines Satzes von B1-Feldkarten
EP2642310A1 (en) 2012-03-22 2013-09-25 Koninklijke Philips N.V. Interpolated three-dimensional thermal dose estimates using magnetic resonance imaging
US9316707B2 (en) * 2012-04-18 2016-04-19 General Electric Company System and method of receive sensitivity correction in MR imaging
DE102012209295B4 (de) 2012-06-01 2014-02-13 Siemens Aktiengesellschaft Bestimmung einer objektspezifischen B1-Verteilung eines Untersuchungsobjekts im Messvolumen in der Magnetresonanztechnik
DE102012219025B4 (de) * 2012-10-18 2015-07-16 Siemens Aktiengesellschaft Kontrolle einer Hochfrequenzsendeeinrichtung eines Magnetresonanztomographiesystem
KR102094501B1 (ko) 2012-11-30 2020-03-27 삼성전자주식회사 Ｍｒｉ 다변수 영상의 획득 장치 및 방법
KR20140088434A (ko) 2013-01-02 2014-07-10 삼성전자주식회사 환자별 특성을 기반으로 한 ｍｒｉ 다변수 영상 획득 지원 장치 및 방법
DE102013201671B3 (de) 2013-02-01 2014-07-31 Siemens Aktiengesellschaft Verfahren zum Erfassen von MR-Daten und zur Bestimmung eines B1-Magnetfelds sowie entsprechend ausgestaltete Magnetresonanzanlage
DE102013201670B3 (de) * 2013-02-01 2014-07-03 Siemens Aktiengesellschaft Verfahren zum Erfassen von MR-Daten und zur Bestimmung eines B1-Magnetfelds sowie entsprechend ausgestaltete Magnetresonanzanlage
KR101560463B1 (ko) * 2013-12-30 2015-10-16 가천대학교 산학협력단 오프 공명 라디오주파수 펄스를 사용하는 자기 공명 영상 시스템에서 인공물 및 원하지 않는 신호를 제거하는 자기 공명 영상 획득 방법
US9995808B2 (en) * 2014-03-10 2018-06-12 Vanderbilt University MRI using RF gradients for spatial encoding
EP3169230A4 (en) * 2014-07-17 2018-04-04 Elwha LLC Artificially structured unit cells providing localized b1 magnetic fields for mri and nmr devices
US9817093B2 (en) * 2014-09-05 2017-11-14 Hyperfine Research, Inc. Low field magnetic resonance imaging methods and apparatus
DE102015202670B4 (de) 2015-02-13 2018-11-22 Siemens Healthcare Gmbh Magnetresonanzvorrichtung mit einer Schaltmatrixeinheit und ein Verfahren zur Pulssequenzoptimierung sowie ein Computerprogrammprodukt
JP6458170B2 (ja) * 2015-05-13 2019-01-23 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． Ｒｆコイル感度マッピングを用いるパラレルｍｒ撮像
WO2016183572A1 (en) 2015-05-14 2016-11-17 Ohio State Innovation Foundation Systems and methods for estimating complex b1+ fields of transmit coils of a magnetic resonance imaging (mri) system
EP3403112A4 (en) * 2016-01-14 2019-09-25 Beth Israel Deaconess Medical Center, Inc. MAGNETIC RESONANCE IMAGING SYSTEM AND METHOD WITH IMPROVED HOMOGENEOUS AND INHOMENOUS MAGNETIZATION TRANSMISSION
KR101771220B1 (ko) * 2016-05-02 2017-08-24 가천대학교 산학협력단 자기공명영상 시스템
US10863918B2 (en) 2016-05-09 2020-12-15 The Regents Of The University Of California Systems and methods for ultrashort echo time magnetization transfer (UTE-MT) imaging and signal modeling
JP2019535424A (ja) 2016-11-22 2019-12-12 ハイパーファイン リサーチ，インコーポレイテッド 磁気共鳴画像における自動検出のためのシステムおよび方法
US10627464B2 (en) 2016-11-22 2020-04-21 Hyperfine Research, Inc. Low-field magnetic resonance imaging methods and apparatus
WO2018136705A1 (en) 2017-01-19 2018-07-26 Ohio State Innovation Foundation Estimating absolute phase of radio frequency fields of transmit and receive coils in a magnetic resonance
US11175367B2 (en) 2018-08-10 2021-11-16 General Electric Company Methods and systems for estimating transmit attenuation for a magnetic resonance imaging scan
CN109597134B (zh) * 2019-01-28 2020-02-18 吉林大学 基于绝热脉冲激发源的核磁共振地下水探测装置及其方法
US10969451B1 (en) * 2019-09-23 2021-04-06 GE Precision Healthcare LLC Systems and methods for in-phase zero echo time magnetic resonance imaging
CN112716476B (zh) 2019-10-28 2024-07-02 通用电气精准医疗有限责任公司 磁共振成像方法及系统、计算机可读存储介质
US11287504B2 (en) * 2020-08-11 2022-03-29 Uih America, Inc. Systems and methods for magnetic resonance imaging

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6268728B1 (en) * 1999-02-10 2001-07-31 Board Of Trustees Of The Leland Stanford Junior University Phase-sensitive method of radio-frequency field mapping for magnetic resonance imaging
US7053618B2 (en) * 2003-11-26 2006-05-30 General Electric Company Method and apparatus to generate an RF excitation consistent with a desired excitation profile using a transmit coil array
US7075301B2 (en) * 2003-11-26 2006-07-11 General Electric Company Method and apparatus to reduce RF power deposition during MR data acquisition
US7233143B2 (en) * 2005-02-15 2007-06-19 Case Western Reserve University Brorc-s2pd
CN101268942A (zh) * 2007-03-19 2008-09-24 西门子公司 用于调整b1场的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7233818B1 (en) * 1999-08-05 2007-06-19 United States Of America As Represented By The Secretary Of The Department Of Health And Human Services Methods and apparatus for mapping internal and bulk motion of an object with phase labeling in magnetic resonance imaging
AU773421B2 (en) * 1999-08-05 2004-05-27 Government Of The United States Of America, As Represented By The Secretary Of The Department Of Health And Human Services, The Methods and apparatus for mapping internal and bulk motion of an object with phase labeling in magnetic resonance imaging
US7403004B2 (en) * 2003-10-31 2008-07-22 Koninklijke Philips Electronics N.V. B1 field control in magnetic resonance imaging
US7375523B1 (en) * 2006-10-30 2008-05-20 General Electric Company System and method for fast MR coil sensitivity mapping
US7446526B2 (en) * 2006-12-21 2008-11-04 The Board Of Trustees Of The Leland Stanford Junior University RF field mapping for magnetic resonance imaging

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6268728B1 (en) * 1999-02-10 2001-07-31 Board Of Trustees Of The Leland Stanford Junior University Phase-sensitive method of radio-frequency field mapping for magnetic resonance imaging
US7053618B2 (en) * 2003-11-26 2006-05-30 General Electric Company Method and apparatus to generate an RF excitation consistent with a desired excitation profile using a transmit coil array
US7075301B2 (en) * 2003-11-26 2006-07-11 General Electric Company Method and apparatus to reduce RF power deposition during MR data acquisition
US7233143B2 (en) * 2005-02-15 2007-06-19 Case Western Reserve University Brorc-s2pd
CN101268942A (zh) * 2007-03-19 2008-09-24 西门子公司 用于调整b1场的方法

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CN101919696A (zh) 2010-12-22
US8198891B2 (en) 2012-06-12
JP5530259B2 (ja) 2014-06-25
US20100315084A1 (en) 2010-12-16
DE102010017315A1 (de) 2010-12-16
JP2010284525A (ja) 2010-12-24

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