CN1851494B - 改进发送侧加速的体积选择磁共振成像的方法和设备 - Google Patents

改进发送侧加速的体积选择磁共振成像的方法和设备 Download PDF

Info

Publication number
CN1851494B
CN1851494B CN2006100777453A CN200610077745A CN1851494B CN 1851494 B CN1851494 B CN 1851494B CN 2006100777453 A CN2006100777453 A CN 2006100777453A CN 200610077745 A CN200610077745 A CN 200610077745A CN 1851494 B CN1851494 B CN 1851494B
Authority
CN
China
Prior art keywords
coil
coil array
sending
coils
space
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
CN2006100777453A
Other languages
English (en)
Chinese (zh)
Other versions
CN1851494A (zh
Inventor
马克·格里斯沃尔德
斯蒂芬·卡能吉瑟
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.)
Siemens Corp
Original Assignee
Siemens 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 Siemens Corp filed Critical Siemens Corp
Publication of CN1851494A publication Critical patent/CN1851494A/zh
Application granted granted Critical
Publication of CN1851494B publication Critical patent/CN1851494B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G01R33/54Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/561Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • G01R33/5611Parallel magnetic resonance imaging, e.g. sensitivity encoding [SENSE], simultaneous acquisition of spatial harmonics [SMASH], unaliasing by Fourier encoding of the overlaps using the temporal dimension [UNFOLD], k-t-broad-use linear acquisition speed-up technique [k-t-BLAST], k-t-SENSE
    • 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
    • G01R33/54Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/561Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • G01R33/5611Parallel magnetic resonance imaging, e.g. sensitivity encoding [SENSE], simultaneous acquisition of spatial harmonics [SMASH], unaliasing by Fourier encoding of the overlaps using the temporal dimension [UNFOLD], k-t-broad-use linear acquisition speed-up technique [k-t-BLAST], k-t-SENSE
    • G01R33/5612Parallel RF transmission, i.e. RF pulse transmission using a plurality of independent transmission channels
    • 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
    • G01R33/58Calibration 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
    • G01R33/583Calibration of signal excitation or detection systems, e.g. for optimal RF excitation power or frequency

Landscapes

  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN2006100777453A 2005-04-22 2006-04-24 改进发送侧加速的体积选择磁共振成像的方法和设备 Expired - Fee Related CN1851494B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005018937.7 2005-04-22
DE102005018937A DE102005018937B4 (de) 2005-04-22 2005-04-22 Verfahren und Gerät zur verbesserten sendeseitig beschleunigten PPA-basierten Volumen-selektiven Magnet-Resonanz-Bildgebung sowie Computersoftwareprodukt zur Implementierung des Verfahrens

Publications (2)

Publication Number Publication Date
CN1851494A CN1851494A (zh) 2006-10-25
CN1851494B true CN1851494B (zh) 2012-01-11

Family

ID=37067946

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2006100777453A Expired - Fee Related CN1851494B (zh) 2005-04-22 2006-04-24 改进发送侧加速的体积选择磁共振成像的方法和设备

Country Status (4)

Country Link
US (1) US7558614B2 (enExample)
JP (1) JP5027438B2 (enExample)
CN (1) CN1851494B (enExample)
DE (1) DE102005018937B4 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005018814B4 (de) * 2005-04-22 2007-06-06 Siemens Ag Verfahren zur MRT-Bildgebung auf Basis konventioneller PPA-Rekonstruktionsverfahren sowie korrespondierendes Gerät und Computersoftwareprodukt
KR100726739B1 (ko) * 2006-01-16 2007-06-11 한국과학기술원 방사형 케이-공간 경로법을 이용한 병렬 자기 공명 영상획득 방법, 그 장치 및 이를 실행하기 위한 컴퓨터로 읽을수 있는 기록매체.
US7439739B2 (en) * 2006-07-11 2008-10-21 The Board Of Trustees Of The Leland Stanford Junior University Anti-aliased magnetic resonance image reconstruction using partially parallel encoded data
US7902823B2 (en) * 2007-05-02 2011-03-08 Griswold Mark A Dynamic parallel magnetic resonance imaging(DpMRI) with sparse data
WO2009074965A1 (en) * 2007-12-12 2009-06-18 Koninklijke Philips Electronics N.V. Transmit/receive coil for ultra-high field mri
CA2717183C (en) 2008-03-20 2016-05-17 Imi Intelligent Medical Implants Ag Power supply for a retina implant
US7977943B2 (en) * 2008-04-10 2011-07-12 General Electric Company Method and system for reconstructing images
DE102008029175B4 (de) * 2008-06-19 2010-09-30 Siemens Aktiengesellschaft Verfahren zur Ermittlung einer Pulssequenz zur Ansteuerung einer Hochfrequenz-Sendespule
DE102009016341B4 (de) * 2009-04-06 2011-02-10 Siemens Aktiengesellschaft Verfahren zur Bestimmung von k-Raumpositionen für eine Modellierung von HF-Pulsen für Magnetresonanzanregungen sowie Magnetresonanzgerät und Computerprogramm zur Durchführung des Verfahrens
DE102010011968A1 (de) 2010-03-03 2011-09-08 Universität Duisburg-Essen Verfahren zur Erzeugung eines Bilds mit einem Magnetresonanztomographen
DE102011080793B4 (de) 2011-08-11 2013-05-29 Siemens Aktiengesellschaft MR-Verfahren mit flexibler Anpassung von Aufnahme- und Auswertungsparametern für Teilbereiche eines Zielvolumens
DE102011081508B3 (de) 2011-08-24 2013-02-28 Siemens Aktiengesellschaft Flusssensitive, frequenzunabhängige Anregung von Magnetresonanzsignalen
DE102012212983B3 (de) * 2012-07-24 2014-01-23 Siemens Aktiengesellschaft Vermeidung von Einfaltungsartefakten bei der Aufnahme von Magnetresonanzdaten
DE102013214867B4 (de) * 2013-07-30 2015-02-12 Siemens Aktiengesellschaft Ermittlung einer Magnetresonanz-Ansteuersequenz mit konzentrischen, kreisförmigen Sendetrajektorien
DE102013219747B4 (de) 2013-09-30 2019-06-27 Siemens Healthcare Gmbh Bestimmung von Anregungsprofilen von Anregungspulsen in der Magnetresonanztechnik
EP3707523A4 (en) 2017-11-12 2021-08-25 Synex Medical Inc. PORTABLE BLOOD ANALYTE MEASUREMENT DEVICE AND METHOD FOR MEASURING BLOOD ANALYTE CONCENTRATION

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5587656A (en) * 1994-04-08 1996-12-24 U.S. Philips Corporation Magnetic resonance imaging method and apparatus
CN1263601A (zh) * 1998-04-17 2000-08-16 皇家菲利浦电子有限公司 磁共振成象方法和装置
US20030069495A1 (en) * 2001-09-11 2003-04-10 Siemens Aktiengesellschaft Apparatus and method for magnetic resonance imaging employing partially parallel acquisition
US6650925B2 (en) * 2001-02-14 2003-11-18 Siemens Aktiengesellschaft Method for image generation by magnetic resonance
US6710686B2 (en) * 2001-04-20 2004-03-23 Siemens Aktiengesellschaft Method for the fast acquisition of a magnetic resonance image

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6680610B1 (en) * 1999-05-24 2004-01-20 Walid E. Kyriakos Apparatus and method for parallel MR data acquisition and parallel image reconstruction from multiple receiver coil arrays for fast MRI
US6949928B2 (en) * 2001-01-19 2005-09-27 Kabushiki Kaisha Toshiba Parallel MR imaging using high-precision coil sensitivity map
GB2380549A (en) * 2001-04-20 2003-04-09 Marconi Medical Systems Uk Ltd Magnetic Resonance Imaging
DE10128534C2 (de) * 2001-06-13 2003-04-30 Siemens Ag Verfahren zur Bilderzeugung mittels magnetischer Resonanz mit mehreren Empfangsantennen
DE10201063B4 (de) * 2002-01-14 2005-06-02 Siemens Ag Gerät und Verfahren, sowie Computersoftware-Produkt zur PPA-Magnetresonanzbildgebung
DE10318682B4 (de) * 2003-04-24 2011-12-29 Peter M. Jakob Beschleunigte Magnet-Resonanz-Bildgebung im Rahmen der parallelen Akquisition von MRT-Daten
DE10353342B4 (de) * 2003-11-14 2008-07-17 Siemens Ag Verbesserte MRT-Bildgebung auf Basis konventioneller PPA-Rekonstruktionsverfahren
US7102348B2 (en) * 2004-08-05 2006-09-05 Siemens Aktiengesellschaft MRI method and apparatus for faster data acquisition or better motion artifact reduction
DE102005018814B4 (de) * 2005-04-22 2007-06-06 Siemens Ag Verfahren zur MRT-Bildgebung auf Basis konventioneller PPA-Rekonstruktionsverfahren sowie korrespondierendes Gerät und Computersoftwareprodukt
DE102005018939B4 (de) * 2005-04-22 2007-09-20 Siemens Ag Verbesserte MRT-Bildgebung auf Basis konventioneller PPA-Rekonstruktionsverfahren
US7429862B2 (en) * 2006-04-18 2008-09-30 Siemens Aktiengesellschaft PPA MRT method and apparatus with scaled contribution of k-space data to the reconstructed image
DE102007004620B4 (de) * 2007-01-30 2010-02-04 Siemens Ag Verbessertes dreidimensionales schichtselektives Mehrschicht-Anregungsverfahren in der MRT-Bildgebung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5587656A (en) * 1994-04-08 1996-12-24 U.S. Philips Corporation Magnetic resonance imaging method and apparatus
CN1263601A (zh) * 1998-04-17 2000-08-16 皇家菲利浦电子有限公司 磁共振成象方法和装置
US6650925B2 (en) * 2001-02-14 2003-11-18 Siemens Aktiengesellschaft Method for image generation by magnetic resonance
US6710686B2 (en) * 2001-04-20 2004-03-23 Siemens Aktiengesellschaft Method for the fast acquisition of a magnetic resonance image
US20030069495A1 (en) * 2001-09-11 2003-04-10 Siemens Aktiengesellschaft Apparatus and method for magnetic resonance imaging employing partially parallel acquisition

Also Published As

Publication number Publication date
DE102005018937A1 (de) 2006-10-26
US20070013374A1 (en) 2007-01-18
CN1851494A (zh) 2006-10-25
DE102005018937B4 (de) 2007-11-22
JP5027438B2 (ja) 2012-09-19
US7558614B2 (en) 2009-07-07
JP2006297110A (ja) 2006-11-02

Similar Documents

Publication Publication Date Title
US8082127B2 (en) Method for determining the spatial distribution of magnetic resonance signals through multi-dimensional RF excitation pulses
US9983284B2 (en) MRI with dixon-type water/fat separation and prior knowledge about inhomogeneity of the main magnetic field
US8154289B2 (en) Method for joint sparsity-enforced k-space trajectory and radiofrequency pulse design
CN103154761B (zh) 在并行发射mri中的虚拟线圈仿真
US11067653B2 (en) Magnetic resonance imaging method including acquiring echo signals from each k-space slice with different relaxation time weightings after echo signals from different k-space splices are acquired
JP3529446B2 (ja) Epi及びgrase mriにおける読み出し傾斜磁界極性の補正方法
CN101435858B (zh) 基于部分并行获取进行磁共振成像的方法和装置
US8934691B2 (en) System for motion compensated MR parallel imaging
CN1851494B (zh) 改进发送侧加速的体积选择磁共振成像的方法和设备
US8076939B2 (en) Method for fast magnetic resonance radiofrequency coil transmission profile mapping
JP5914488B2 (ja) 化学種の磁気共鳴撮像
CN104765011A (zh) 磁共振原始数据的重建
US8085046B2 (en) Coil array mode compression for parallel transmission magnetic resonance imaging
US10288706B2 (en) Method and apparatus for magnetic resonance fingerprinting with B1 information encoded in the detected magnetic resonance signal
JP2024506575A (ja) Dixonタイプ水/脂肪分離MR画像
EP3640662A1 (en) Magnetic resonance imaging using motion-compensated image reconstruction
US6734673B2 (en) Apparatus and method for magnetic resonance imaging employing partial parallel acquisition with formation of signal combinations and solving of an equation system based thereon
US12481011B2 (en) Magnetic resonance imaging system, compensation parameter determining method, and scanning and imaging method
CN1841083B (zh) 在磁共振光谱学中避免线性相位误差的方法
JP3928992B2 (ja) 磁気共鳴イメージング装置
US9476954B2 (en) Method and apparatus to generate magnetic resonance data
US12392854B2 (en) Magnetic resonance image processing method and device, and computer readable storage medium
CN120539647A (zh) 用于定量磁共振成像的系统和方法

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120111

Termination date: 20190424