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
nuclei
resonance
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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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]

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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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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 (enExample)
JP (1) JP5530259B2 (enExample)
CN (1) CN101919696B (enExample)
DE (1) DE102010017315A1 (enExample)

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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
CN111896903A (zh) * 2014-09-05 2020-11-06 海珀菲纳研究股份有限公司 噪声抑制方法和设备
DE102015202670B4 (de) 2015-02-13 2018-11-22 Siemens Healthcare Gmbh Magnetresonanzvorrichtung mit einer Schaltmatrixeinheit und ein Verfahren zur Pulssequenzoptimierung sowie ein Computerprogrammprodukt
RU2683605C1 (ru) * 2015-05-13 2019-03-29 Конинклейке Филипс Н.В. Параллельная мр-томография с картированием чувствительности с помощью рч-катушки
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
WO2017124089A1 (en) * 2016-01-14 2017-07-20 Beth Israel Deaconess Medical Center, Inc. System and method for improved homogeneous and inhomogeneous magnetization transfer magnetic resonance imaging
KR101771220B1 (ko) * 2016-05-02 2017-08-24 가천대학교 산학협력단 자기공명영상 시스템
WO2017196878A1 (en) * 2016-05-09 2017-11-16 The Regents Of The University Of California Systems and methods for ultrashort echo time magnetization transfer (ute-mt) imaging and signal modeling
US10627464B2 (en) 2016-11-22 2020-04-21 Hyperfine Research, Inc. Low-field magnetic resonance imaging methods and apparatus
MX2019005955A (es) 2016-11-22 2019-07-10 Hyperfine Res Inc Sistemas y metodos para deteccion automatizada en imagenes de resonancia magnetica.
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
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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
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US7233143B2 (en) * 2005-02-15 2007-06-19 Case Western Reserve University Brorc-s2pd
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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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US8198891B2 (en) 2012-06-12
JP5530259B2 (ja) 2014-06-25
JP2010284525A (ja) 2010-12-24
US20100315084A1 (en) 2010-12-16
CN101919696A (zh) 2010-12-22
DE102010017315A1 (de) 2010-12-16

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