JPH0328932B2 - - Google Patents

Info

Publication number
JPH0328932B2
JPH0328932B2 JP61166115A JP16611586A JPH0328932B2 JP H0328932 B2 JPH0328932 B2 JP H0328932B2 JP 61166115 A JP61166115 A JP 61166115A JP 16611586 A JP16611586 A JP 16611586A JP H0328932 B2 JPH0328932 B2 JP H0328932B2
Authority
JP
Japan
Prior art keywords
signal
coils
signals
resonance
brain
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 - Lifetime
Application number
JP61166115A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6321049A (ja
Inventor
Hirotake Kamei
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.)
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
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 Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Priority to JP61166115A priority Critical patent/JPS6321049A/ja
Priority to US07/073,718 priority patent/US4940057A/en
Publication of JPS6321049A publication Critical patent/JPS6321049A/ja
Publication of JPH0328932B2 publication Critical patent/JPH0328932B2/ja
Granted legal-status Critical Current

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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
    • G01R33/34061—Helmholtz coils
    • 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
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
    • 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
    • G01R33/4806—Functional imaging of brain activation

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP61166115A 1986-07-15 1986-07-15 核磁気共鳴現象を用いた脳機能計測装置 Granted JPS6321049A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP61166115A JPS6321049A (ja) 1986-07-15 1986-07-15 核磁気共鳴現象を用いた脳機能計測装置
US07/073,718 US4940057A (en) 1986-07-15 1987-07-15 Apparatus for measuring brain function using nuclear magnetic resonance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61166115A JPS6321049A (ja) 1986-07-15 1986-07-15 核磁気共鳴現象を用いた脳機能計測装置

Publications (2)

Publication Number Publication Date
JPS6321049A JPS6321049A (ja) 1988-01-28
JPH0328932B2 true JPH0328932B2 (OSRAM) 1991-04-22

Family

ID=15825302

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61166115A Granted JPS6321049A (ja) 1986-07-15 1986-07-15 核磁気共鳴現象を用いた脳機能計測装置

Country Status (2)

Country Link
US (1) US4940057A (OSRAM)
JP (1) JPS6321049A (OSRAM)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9024528D0 (en) * 1990-11-12 1991-01-02 Instrumentarium Corp Improvements in and relating to magnetic resonance imaging
JP3368588B2 (ja) * 1992-02-07 2003-01-20 株式会社日立製作所 磁気共鳴診断装置
US5303705A (en) * 1992-05-01 1994-04-19 Nenov Valeriy I Evoked 23NA MR imaging of sodium currents in the brain
JPH07184873A (ja) * 1993-12-28 1995-07-25 Hitachi Medical Corp 磁気共鳴検査の方法及びその装置
CN103126671B (zh) * 2013-03-27 2015-08-19 中国人民解放军第三军医大学 一种非接触的磁感应式脑出血检测系统
CN108209876B (zh) * 2018-02-09 2023-04-28 武汉技兴科技有限公司 人体头部三维定位及头皮状态建模的方法和装置
US11561270B2 (en) * 2019-08-30 2023-01-24 Electronics And Telecommunications Research Institute Apparatus and method for nano magnetic particle imaging

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4528985A (en) * 1981-12-21 1985-07-16 Albert Macovski Blood vessel imaging system using nuclear magnetic resonance
US4565968A (en) * 1983-02-16 1986-01-21 Albert Macovski Blood vessel projection imaging system using nuclear magnetic resonance
JPS60376A (ja) * 1983-06-15 1985-01-05 Yokogawa Medical Syst Ltd 核磁気共鳴イメ−ジング装置におけるｒｆコイル装置
DE3347597A1 (de) * 1983-12-30 1985-07-18 Philips Patentverwaltung Gmbh, 2000 Hamburg Hochfrequenz-spulenanordnung zum erzeugen und/oder empfangen von wechselmagnetfeldern
US4724389A (en) * 1985-05-08 1988-02-09 Medical College Of Wisconsin, Inc. Loop-gap resonator for localized NMR imaging
US4793356A (en) * 1985-08-14 1988-12-27 Picker International, Inc. Surface coil system for magnetic resonance imaging

Also Published As

Publication number Publication date
US4940057A (en) 1990-07-10
JPS6321049A (ja) 1988-01-28

Similar Documents

Publication Publication Date Title
FI83266B (fi) Foerfarande och anordning foer lokalisering av elektroder faestade vid kroppen av en maenniska, i synnerhet huvudet.
US4422042A (en) Nuclear resonance apparatus including means for rotating a magnetic field
JP2000185029A (ja) 核スピン共鳴装置における渦電流を検出するための方法
JP2853232B2 (ja) 核磁気共鳴を用いた流体イメージング装置
JPH0328932B2 (OSRAM)
JP2773840B2 (ja) 渦電流起因位相歪修正システム
US5410248A (en) Method for the simultaneous detection of velocity and acceleration distribution in moving fluids
JPH02502789A (ja) 核スピン磁化ベクトル回転法
JPS63266314A (ja) スピン共鳴信号取り出し方法
JPH05232202A (ja) ソフトウェアグラディオメータ
JPH01207044A (ja) 核磁気共鳴画像診断装置の受信装置
CA2002770C (en) Magnetic susceptibility imaging (msi)
US4607221A (en) Nuclear magnetic resonance method and apparatus
JPH02264636A (ja) 核磁気共鳴方法
JPH0334929B2 (OSRAM)
Wech et al. Measurement accuracy of different active tracking sequences for interventional MRI
JPS63311945A (ja) 核磁気共鳴断層像撮像装置
GB2127155A (en) Flow determination by nuclear magnetic resonance
JP2921115B2 (ja) 核磁気共鳴検査装置
Olmsted Phase detection electromagnetic flowmeter-design and use
JPH0370792B2 (OSRAM)
WO2006059378A1 (ja) 磁気共鳴映像法および磁気共鳴映像装置
JPS63111845A (ja) Ｍｒイメ−ジング方式
RU2017144C1 (ru) Способ исследования движущейся крови методом ямр
JP2560300B2 (ja) Ｍｒｉ装置

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term