NL8701889A - Volume selektieve spektroscopie door middel van gerefokusseerde echo's. - Google Patents

Volume selektieve spektroscopie door middel van gerefokusseerde echo's. Download PDF

Info

Publication number
NL8701889A
NL8701889A NL8701889A NL8701889A NL8701889A NL 8701889 A NL8701889 A NL 8701889A NL 8701889 A NL8701889 A NL 8701889A NL 8701889 A NL8701889 A NL 8701889A NL 8701889 A NL8701889 A NL 8701889A
Authority
NL
Netherlands
Prior art keywords
pulse
frequency
pulses
selective
sequence
Prior art date
Application number
NL8701889A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL8701889A priority Critical patent/NL8701889A/nl
Priority to FI883710A priority patent/FI883710A/fi
Priority to IL87389A priority patent/IL87389A0/xx
Priority to EP88201700A priority patent/EP0304984B1/de
Priority to DE8888201700T priority patent/DE3867764D1/de
Priority to US07/230,630 priority patent/US4893080A/en
Priority to JP63199031A priority patent/JPH01113033A/ja
Publication of NL8701889A publication Critical patent/NL8701889A/nl

Links

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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/483—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy
    • G01R33/4833—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective excitation of the volume of interest, e.g. selecting non-orthogonal or inclined slices
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
NL8701889A 1987-08-12 1987-08-12 Volume selektieve spektroscopie door middel van gerefokusseerde echo's. NL8701889A (nl)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL8701889A NL8701889A (nl) 1987-08-12 1987-08-12 Volume selektieve spektroscopie door middel van gerefokusseerde echo's.
FI883710A FI883710A (fi) 1987-08-12 1988-08-09 Volymselektivt spektroskopi anvaendande refokuserade ekon.
IL87389A IL87389A0 (en) 1987-08-12 1988-08-09 Volume-selective spectroscopy by means of refocused echoes
EP88201700A EP0304984B1 (de) 1987-08-12 1988-08-09 Volumenselektive Spektroskopie mittels nachfokussierter Echos
DE8888201700T DE3867764D1 (de) 1987-08-12 1988-08-09 Volumenselektive spektroskopie mittels nachfokussierter echos.
US07/230,630 US4893080A (en) 1987-08-12 1988-08-10 Volume-selective spectroscopy using refocused echoes
JP63199031A JPH01113033A (ja) 1987-08-12 1988-08-11 核磁気分布決定方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8701889 1987-08-12
NL8701889A NL8701889A (nl) 1987-08-12 1987-08-12 Volume selektieve spektroscopie door middel van gerefokusseerde echo's.

Publications (1)

Publication Number Publication Date
NL8701889A true NL8701889A (nl) 1989-03-01

Family

ID=19850440

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8701889A NL8701889A (nl) 1987-08-12 1987-08-12 Volume selektieve spektroscopie door middel van gerefokusseerde echo's.

Country Status (7)

Country Link
US (1) US4893080A (ja)
EP (1) EP0304984B1 (ja)
JP (1) JPH01113033A (ja)
DE (1) DE3867764D1 (ja)
FI (1) FI883710A (ja)
IL (1) IL87389A0 (ja)
NL (1) NL8701889A (ja)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3906979A1 (de) * 1989-03-04 1990-09-06 Philips Patentverwaltung Kernspinuntersuchungsverfahren und anordnung zur durchfuehrung des verfahrens
DE3912142A1 (de) * 1989-04-13 1990-10-25 Philips Patentverwaltung Verfahren fuer die kohlenstoff-kernresonanz-spektroskopie und anordnung zur durchfuehrung des verfahrens
NL8900990A (nl) * 1989-04-20 1990-11-16 Philips Nv Werkwijze voor het bepalen van een kernmagnetisatieverdeling van een deelvolume van een object, werkwijze voor het homogeniseren van een deel van een stationair veld waarin het object zich bevindt, en magnetische resonantieinrichting voor het uitvoeren van een dergelijke werkwijze.
NL8901246A (nl) * 1989-05-19 1990-12-17 Philips Nv Werkwijze ter onderdrukking van waterresonantie in een magnetisch protonresonantiespectrum, en inrichting voor het uitvoeren van een dergelijke werkwijze.
US5036281A (en) * 1990-03-16 1991-07-30 The Regents Of The University Of California Resizing MRI images using fourier transformation
DE4027252A1 (de) * 1990-08-29 1992-03-05 Philips Patentverwaltung Verfahren fuer die zweidimensionale kernresonanzspektroskopie
US5168229A (en) * 1991-04-02 1992-12-01 General Electric Company Multidimensional nmr spectroscopy using switched acquisition time gradients for multiple coherence transfer pathway detection
US5262723A (en) * 1991-07-09 1993-11-16 General Electric Company Method and apparatus for obtaining pure-absorption two-dimensional lineshape data for multidimensional NMR spectroscopy using switched acquisition time gradients
JPH05237067A (ja) * 1992-02-27 1993-09-17 Toshiba Corp 磁気共鳴イメージング装置
JP3483947B2 (ja) * 1993-10-14 2004-01-06 株式会社東芝 磁気共鳴イメージング装置
DE19609839A1 (de) * 1996-03-13 1997-09-18 Philips Patentverwaltung MR-Spektroskopieverfahren
DE19626255C2 (de) * 1996-06-29 1998-07-02 Juergen Prof Dr Hennig Verfahren der lokalisierten MR-Spektroskopie zur Messung überlappender Signale von gekoppelten Spinsystemen
US6750651B2 (en) * 2002-07-03 2004-06-15 The Board Of Trustees Of The Leland Stanford Junior University Fat suppression in MRI using oscillating steady-state free precession
EP1788855A1 (en) * 2005-11-18 2007-05-23 Alcatel Lucent Connection arrangement for a front access shelf used in an electronic equipment
US7658073B2 (en) * 2007-07-24 2010-02-09 General Electric Company Turbine systems and methods for using internal leakage flow for cooling
US9030201B2 (en) * 2011-01-27 2015-05-12 Siemens Medical Solutions Usa, Inc. System and method for independent manipulation of a fat and a water component in magnetic resonance imaging

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4297637A (en) * 1978-07-20 1981-10-27 The Regents Of The University Of California Method and apparatus for mapping lines of nuclear density within an object using nuclear magnetic resonance
US4238735A (en) * 1979-02-21 1980-12-09 Varian Associates, Inc. Indirect detection of nuclear spins of low gyromagentic ratio coupled to spins of high gyromagnetic ratio
US4458203A (en) * 1980-12-11 1984-07-03 Picker International Limited Nuclear magnetic resonance imaging
US4585993A (en) * 1983-12-14 1986-04-29 General Electric Company Method for selective NMR imaging of chemically-shifted nuclei
US4678995A (en) * 1984-12-12 1987-07-07 Yale University Apparatus and method for determining the presence of substances in a sample by NMR and producing an NMR image thereof
DE3445689A1 (de) * 1984-12-14 1986-06-19 Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen Verfahren und einrichtung zur ortsaufgeloesten untersuchung einer probe mittels magnetischer resonanz von spinmomenten
US4680546A (en) * 1986-01-27 1987-07-14 General Electric Company Methods of, and pulse sequences for, the supression of undesired resonances by generation of quantum coherence in NMR imaging and spectroscopy

Also Published As

Publication number Publication date
US4893080A (en) 1990-01-09
DE3867764D1 (de) 1992-02-27
EP0304984A1 (de) 1989-03-01
IL87389A0 (en) 1989-01-31
JPH01113033A (ja) 1989-05-01
FI883710A0 (fi) 1988-08-09
EP0304984B1 (de) 1992-01-15
FI883710A (fi) 1989-02-13

Similar Documents

Publication Publication Date Title
KR880001529B1 (ko) 화학 이동성 nmr 주파수를 갖는 핵을 포함한 샘플의 영상화 방법
EP2233940B1 (en) Simultaneous excitation and acquisition in magnetic resonance
US4748409A (en) Imaging magnetic spin resonance method and apparatus
NL8701889A (nl) Volume selektieve spektroscopie door middel van gerefokusseerde echo's.
US5652516A (en) Spectroscopic magnetic resonance imaging using spiral trajectories
US7027853B2 (en) Data acquisition method and apparatus for MR imaging
JP3168045B2 (ja) コントラストを改善した短ｔ２ 種の磁気共鳴結像
JP5196408B2 (ja) 多重ピークを備えた種の磁気共鳴スペクトロスコピー
JP2553719B2 (ja) Ｎｍｒ像作成装置
US4962357A (en) Two-dimensional method for spectral editing of NMR signals produced by metabolites containing coupled spins
EP0100183A2 (en) Nuclear magnetic resonance method and apparatus
JP4599490B2 (ja) Ｎｍｒスペクトロスコピーの方法及び構成
US4843321A (en) Method for volume localized spectral editing of NMR signals produced by metabolites containing coupled spins
JPH0337406B2 (ja)
US5500593A (en) Phase rotated spoiling for spatial and spectral saturation techniques
US6472871B2 (en) Magnetic resonance spectroscopic imaging with a variable repetition time in conjunction with a variable data acquisition time
US5166616A (en) Method for recording spin resonance spectra
JP2005537896A (ja) スペクトロスコピック・イメージ撮像方法、その方法を実行する手段を備えた装置、並びにその方法の材料特性分析における利用
EP0527462B1 (en) Magnetic resonance imaging method and system capable of measuring short "T2" signal components
US4972147A (en) Magnetic resonance method for obtaining selected spectra
JP3335426B2 (ja) 磁気共鳴画像化方法及び装置
JP4383568B2 (ja) 磁気共鳴スペクトロスコピー・イメージング方法及び装置
JPH04354932A (ja) 磁気共鳴分光装置
JP3490439B2 (ja) Ｎｍｒテストの方法および装置
US6640125B2 (en) Spectroscopic imaging method

Legal Events

Date Code Title Description
A1B A search report has been drawn up
BV The patent application has lapsed