DE102013218371B4 - Verfahren zur Messung von HF-Anregungspulsen - Google Patents

Verfahren zur Messung von HF-Anregungspulsen Download PDF

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Publication number
DE102013218371B4
DE102013218371B4 DE102013218371.2A DE102013218371A DE102013218371B4 DE 102013218371 B4 DE102013218371 B4 DE 102013218371B4 DE 102013218371 A DE102013218371 A DE 102013218371A DE 102013218371 B4 DE102013218371 B4 DE 102013218371B4
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DE
Germany
Prior art keywords
excitation
magnetic resonance
data
frequency system
high frequency
Prior art date
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Active
Application number
DE102013218371.2A
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German (de)
English (en)
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DE102013218371A1 (de
Inventor
Holger Adolf
Thomas Benner
Hans-Peter Fautz
Jörg Ulrich Fontius
Rene Gumbrecht
Franz Schmitt
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 Healthineers AG
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Siemens Healthcare GmbH
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 Healthcare GmbH filed Critical Siemens Healthcare GmbH
Priority to DE102013218371.2A priority Critical patent/DE102013218371B4/de
Priority to US14/481,596 priority patent/US9864035B2/en
Priority to CN201410458758.XA priority patent/CN104434102B/zh
Priority to JP2014185253A priority patent/JP2015054251A/ja
Priority to KR20140121223A priority patent/KR20150031212A/ko
Publication of DE102013218371A1 publication Critical patent/DE102013218371A1/de
Application granted granted Critical
Publication of DE102013218371B4 publication Critical patent/DE102013218371B4/de
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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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/543—Control of the operation of the MR system, e.g. setting of acquisition parameters prior to or during MR data acquisition, dynamic shimming, use of one or more scout images for scan plane prescription
    • 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
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • 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
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/5659—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the RF magnetic field, e.g. spatial inhomogeneities of the RF magnetic field

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE102013218371.2A 2013-09-13 2013-09-13 Verfahren zur Messung von HF-Anregungspulsen Active DE102013218371B4 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE102013218371.2A DE102013218371B4 (de) 2013-09-13 2013-09-13 Verfahren zur Messung von HF-Anregungspulsen
US14/481,596 US9864035B2 (en) 2013-09-13 2014-09-09 Measurement of radio frequency excitation pulses
CN201410458758.XA CN104434102B (zh) 2013-09-13 2014-09-10 用于测量hf激励脉冲的方法
JP2014185253A JP2015054251A (ja) 2013-09-13 2014-09-11 高周波励起パルスの測定方法
KR20140121223A KR20150031212A (ko) 2013-09-13 2014-09-12 Rf 여기 펄스의 측정 방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013218371.2A DE102013218371B4 (de) 2013-09-13 2013-09-13 Verfahren zur Messung von HF-Anregungspulsen

Publications (2)

Publication Number Publication Date
DE102013218371A1 DE102013218371A1 (de) 2015-03-19
DE102013218371B4 true DE102013218371B4 (de) 2019-01-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE102013218371.2A Active DE102013218371B4 (de) 2013-09-13 2013-09-13 Verfahren zur Messung von HF-Anregungspulsen

Country Status (5)

Country Link
US (1) US9864035B2 (https=)
JP (1) JP2015054251A (https=)
KR (1) KR20150031212A (https=)
CN (1) CN104434102B (https=)
DE (1) DE102013218371B4 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014204446A1 (de) * 2014-03-11 2015-09-17 Siemens Aktiengesellschaft Verfahren zum Betrieb eines Magnetresonanztomographen und Magnetresonanztomograph
EP3416133A1 (en) 2017-06-16 2018-12-19 Siemens Healthcare GmbH A method for predicting a current position of a body part, computer program product and system for predicting the current position of a body part
CA3285882A1 (en) * 2023-03-13 2025-11-29 Quantum Valley Investment Fund LP Digital operation of a magnetic resonance system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19911975A1 (de) 1999-03-17 2000-09-28 Siemens Ag Magnetresonanz-Sendeverfahren und hiermit korrespondierende Magnetresonanz-Sendeanordnung
US20060054810A1 (en) 2003-01-07 2006-03-16 Ingmar Grasslin High-frequency system for an mr apparatus with multiple transmit channels

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59164042A (ja) * 1983-03-09 1984-09-17 横河電機株式会社 Ｎｍｒ装置用送信回路
JPH02239839A (ja) * 1989-03-14 1990-09-21 Hitachi Medical Corp 磁気共鳴イメージング装置
JPH07120544A (ja) * 1993-10-25 1995-05-12 Nippon Telegr & Teleph Corp <Ntt> 磁気特性分析装置及び分析方法
JPH07246194A (ja) * 1994-03-10 1995-09-26 Ge Yokogawa Medical Syst Ltd Ｍｒ装置
DE10254660B4 (de) * 2002-11-22 2006-04-27 Siemens Ag Verfahren zur Korrektur des B 1- Felds bei MR-Messungen und Magnetresonanz-Messeinrichtung
DE102007013996B4 (de) 2007-03-23 2009-01-02 Siemens Ag Verfahren zur lokalen Manipulation eines B1-Felds, Magnetresonanzsystem und Hilfs-Spulenelement
JP5332016B2 (ja) * 2009-04-27 2013-11-06 株式会社 Ｊｅｏｌ Ｒｅｓｏｎａｎｃｅ スピン磁気共鳴装置および方法
CN102834141B (zh) 2010-03-01 2015-11-25 沙皮恩斯脑部刺激控制有限公司 用于确定用于脑深部刺激的设置的方法和系统
DE102011080604B4 (de) 2011-08-08 2013-03-28 Siemens Aktiengesellschaft Betriebsverfahren, Computerprogramm und Steuereinrichtung für eine Magnetresonanzanlage mit frequenzvariablen Sendepulsen und Magnetresonanzanlage
DE102011085033B4 (de) * 2011-10-21 2013-08-08 Siemens Aktiengesellschaft Korrektur von Artefakten in MR-Bildern aufgrund unzureichender Anregung bei ultrakurzen Echozeiten
DE102012217287B4 (de) * 2012-09-25 2015-11-26 Siemens Aktiengesellschaft Korrektur von Artefakten in Magnetresonanzbildern
DE102012217819B4 (de) * 2012-09-28 2014-11-20 Siemens Aktiengesellschaft Automatische Berechnung einer maximalen Pulslänge in der Magnetresonanztechnik
DE102013219753B4 (de) * 2013-09-30 2015-04-09 Siemens Aktiengesellschaft Korrektur von mittels Magnetresonanztechnik aufgenommenen Messdaten durch eine Ent-Faltung der Messdaten

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19911975A1 (de) 1999-03-17 2000-09-28 Siemens Ag Magnetresonanz-Sendeverfahren und hiermit korrespondierende Magnetresonanz-Sendeanordnung
US20060054810A1 (en) 2003-01-07 2006-03-16 Ingmar Grasslin High-frequency system for an mr apparatus with multiple transmit channels

Also Published As

Publication number Publication date
DE102013218371A1 (de) 2015-03-19
JP2015054251A (ja) 2015-03-23
US9864035B2 (en) 2018-01-09
CN104434102B (zh) 2017-11-03
US20150077108A1 (en) 2015-03-19
KR20150031212A (ko) 2015-03-23
CN104434102A (zh) 2015-03-25

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Owner name: SIEMENS HEALTHCARE GMBH, DE

Free format text: FORMER OWNER: SIEMENS AKTIENGESELLSCHAFT, 80333 MUENCHEN, DE

R016 Response to examination communication
R018 Grant decision by examination section/examining division
R020 Patent grant now final
R081 Change of applicant/patentee

Owner name: SIEMENS HEALTHINEERS AG, DE

Free format text: FORMER OWNER: SIEMENS HEALTHCARE GMBH, MUENCHEN, DE