NO914170D0 - Fremgangsmaate for avbildning ved magnetisk resonans - Google Patents

Fremgangsmaate for avbildning ved magnetisk resonans

Info

Publication number
NO914170D0
NO914170D0 NO1991914170A NO914170A NO914170D0 NO 914170 D0 NO914170 D0 NO 914170D0 NO 1991914170 A NO1991914170 A NO 1991914170A NO 914170 A NO914170 A NO 914170A NO 914170 D0 NO914170 D0 NO 914170D0
Authority
NO
Norway
Prior art keywords
pct
magnetic resonance
procedure
resonance image
sec
Prior art date
Application number
NO1991914170A
Other languages
English (en)
Other versions
NO302447B1 (no
NO914170L (no
Inventor
Ib Leunbach
Original Assignee
Hafslund Nycomed Innovation
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 Hafslund Nycomed Innovation filed Critical Hafslund Nycomed Innovation
Publication of NO914170D0 publication Critical patent/NO914170D0/no
Publication of NO914170L publication Critical patent/NO914170L/no
Publication of NO302447B1 publication Critical patent/NO302447B1/no

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
    • G01R33/54—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
    • G01R33/561—Image 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
    • G01R33/5615—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE]
    • 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
    • G01R33/62—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using double resonance
    • 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
    • G01R33/561—Image 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
    • G01R33/5615—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE]
    • G01R33/5616—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE] using gradient refocusing, e.g. EPI

Landscapes

  • Physics & Mathematics (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)
  • High Energy & Nuclear Physics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Soft Magnetic Materials (AREA)
  • Thin Magnetic Films (AREA)
  • Semiconductor Lasers (AREA)
NO914170A 1989-04-24 1991-10-23 Fremgangsmåte for avbildning ved magnetisk resonans NO302447B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB898909270A GB8909270D0 (en) 1989-04-24 1989-04-24 Method
PCT/EP1990/000604 WO1990013047A1 (en) 1989-04-24 1990-04-12 Magnetic resonance imaging method

Publications (3)

Publication Number Publication Date
NO914170D0 true NO914170D0 (no) 1991-10-23
NO914170L NO914170L (no) 1991-10-23
NO302447B1 NO302447B1 (no) 1998-03-02

Family

ID=10655603

Family Applications (1)

Application Number Title Priority Date Filing Date
NO914170A NO302447B1 (no) 1989-04-24 1991-10-23 Fremgangsmåte for avbildning ved magnetisk resonans

Country Status (10)

Country Link
US (1) US5287854A (no)
EP (1) EP0470084B1 (no)
JP (1) JP2902107B2 (no)
AT (1) ATE108026T1 (no)
AU (1) AU638985B2 (no)
CA (1) CA2050494C (no)
DE (1) DE69010329T2 (no)
GB (1) GB8909270D0 (no)
NO (1) NO302447B1 (no)
WO (1) WO1990013047A1 (no)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8929300D0 (en) * 1989-12-29 1990-02-28 Instrumentarium Corp Apparatus
GB9111738D0 (en) * 1991-05-31 1991-07-24 Instrumentarium Corp Method
GB9216597D0 (en) * 1992-08-05 1992-09-16 British Tech Group Method of obtaining images representing the distribution of paramagnetic material in solution
JP3496898B2 (ja) * 1995-03-03 2004-02-16 株式会社日立メディコ 核磁気共鳴撮影装置
ES2175123T3 (es) * 1995-09-08 2002-11-16 Nycomed Imaging As Procedimiento que sirve para determinar la concentracion de oxigeno enuna muestra.
US6188219B1 (en) 1999-01-22 2001-02-13 The Johns Hopkins University Magnetic resonance imaging method and apparatus and method of calibrating the same
US6675034B2 (en) * 2001-04-19 2004-01-06 Sunnybrook And Women's Health Sciences Centre Magnetic resonance imaging using direct, continuous real-time imaging for motion compensation
US20070025918A1 (en) * 2005-07-28 2007-02-01 General Electric Company Magnetic resonance imaging (MRI) agents: water soluble carbon-13 enriched fullerene and carbon nanotubes for use with dynamic nuclear polarization
JP2009518641A (ja) 2005-12-08 2009-05-07 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ オーバーハウザー改善ｎｍｒを用いて生体内薬放出をモニタするシステム及び方法
GB0920839D0 (en) * 2009-11-27 2010-01-13 Univ Bristol Contrast agents for medical imaging
KR101967239B1 (ko) 2012-08-22 2019-04-09 삼성전자주식회사 자기 공명 영상 촬상 방법 및 장치
KR101771220B1 (ko) 2016-05-02 2017-08-24 가천대학교 산학협력단 자기공명영상 시스템
CN109620224B (zh) * 2019-01-10 2019-11-05 哈尔滨特征科技开发有限公司 电子顺磁成像仪
US11796618B2 (en) * 2019-07-12 2023-10-24 Shanghai United Imaging Healthcare Co., Ltd. Systems and methods for magnetic resonance imaging

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1596160A (en) * 1976-12-15 1981-08-19 Nat Res Dev Nuclear magnetic resonance apparatus and methods
GB2056078B (en) * 1979-08-03 1984-02-29 Emi Ltd Nuclear magnetic resonance systems
US4384255A (en) * 1979-08-10 1983-05-17 Picker International Limited Nuclear magnetic resonance systems
EP0076054B1 (en) * 1981-09-21 1986-06-04 Peter Mansfield Nuclear magnetic resonance methods
EP0105700B1 (en) * 1982-10-06 1989-01-04 Peter Mansfield Nuclear magnetic resonance methods
US4628264A (en) * 1984-03-14 1986-12-09 Advanced Nmr Systems, Inc. NMR gradient field modulation
FR2586296B1 (fr) * 1985-08-13 1988-06-17 Thomson Cgr Procede de modulation de l'effet de la vitesse des parties mobiles d'un corps dans une mesure de densite par resonance magnetique nucleaire, et mise en oeuvre du procede pour en deduire la vitesse des parties mobiles concernees
US4719425A (en) * 1986-04-15 1988-01-12 Scientific Innovations, Inc. NMR imaging method and apparatus
GB8711379D0 (en) * 1987-05-14 1987-06-17 Nat Res Dev Echo planar imaging systems
EP0270320B1 (en) * 1986-12-03 1992-09-23 Advanced Nmr Systems Inc. Method of high-speed magnetic resonance imaging
IE61448B1 (en) * 1987-06-23 1994-11-02 Hafslund Nycomed Innovation Improvements in and relating to magnetic resonance imaging
GB8718515D0 (en) * 1987-08-05 1987-09-09 Nat Res Dev Obtaining images
GB8819753D0 (en) * 1988-08-19 1988-09-21 Nycomed As Apparatus

Also Published As

Publication number Publication date
NO302447B1 (no) 1998-03-02
EP0470084B1 (en) 1994-06-29
DE69010329T2 (de) 1994-10-20
CA2050494A1 (en) 1990-10-25
EP0470084A1 (en) 1992-02-12
WO1990013047A1 (en) 1990-11-01
NO914170L (no) 1991-10-23
JPH04506614A (ja) 1992-11-19
US5287854A (en) 1994-02-22
DE69010329D1 (de) 1994-08-04
ATE108026T1 (de) 1994-07-15
JP2902107B2 (ja) 1999-06-07
CA2050494C (en) 1999-09-07
AU5409990A (en) 1990-11-16
AU638985B2 (en) 1993-07-15
GB8909270D0 (en) 1989-06-07

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