KR850007120A - Nmr 영상화 장치 및 방법 - Google Patents

Nmr 영상화 장치 및 방법

Info

Publication number
KR850007120A
KR850007120A KR1019850000962A KR850000962A KR850007120A KR 850007120 A KR850007120 A KR 850007120A KR 1019850000962 A KR1019850000962 A KR 1019850000962A KR 850000962 A KR850000962 A KR 850000962A KR 850007120 A KR850007120 A KR 850007120A
Authority
KR
South Korea
Prior art keywords
imaging device
nmr imaging
nmr
imaging
Prior art date
Application number
KR1019850000962A
Other languages
English (en)
Other versions
KR880001531B1 (ko
Inventor
해롤드 글로버 개리
오도넬 마튜
Original Assignee
제네럴 일렉트릭 컴패니
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 제네럴 일렉트릭 컴패니 filed Critical 제네럴 일렉트릭 컴패니
Publication of KR850007120A publication Critical patent/KR850007120A/ko
Application granted granted Critical
Publication of KR880001531B1 publication Critical patent/KR880001531B1/ko

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N24/00—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
    • G01N24/08—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic 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]
    • G01R33/446—Multifrequency selective RF pulses, e.g. multinuclear acquisition mode
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/10—Other electric circuits therefor; Protective circuits; Remote controls
    • 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
    • G01R33/56563—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the main magnetic field B0, e.g. temporal variation of the magnitude or spatial inhomogeneity of B0
KR1019850000962A 1984-02-17 1985-02-16 Nmr 영상화 장치 및 방법 KR880001531B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/581,150 US4613949A (en) 1984-02-17 1984-02-17 Composite pulses for time reversal in NMR imaging
US581150 1984-02-17

Publications (2)

Publication Number Publication Date
KR850007120A true KR850007120A (ko) 1985-10-30
KR880001531B1 KR880001531B1 (ko) 1988-08-19

Family

ID=24324088

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850000962A KR880001531B1 (ko) 1984-02-17 1985-02-16 Nmr 영상화 장치 및 방법

Country Status (7)

Country Link
US (1) US4613949A (ko)
EP (1) EP0152879B1 (ko)
JP (1) JPS60242352A (ko)
KR (1) KR880001531B1 (ko)
DE (1) DE3578456D1 (ko)
FI (1) FI850361L (ko)
IL (1) IL74341A0 (ko)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60141804U (ja) * 1984-02-29 1985-09-19 横河メディカルシステム株式会社 計算機トモグラフイ装置の表示装置
US4672319A (en) * 1984-09-19 1987-06-09 Stanford University Multiple pulse excitation in NMR imaging
US4695800A (en) * 1985-06-06 1987-09-22 Technicare Corporation Non harmonic NMR spin echo imaging
JPH0785738B2 (ja) * 1985-06-29 1995-09-20 株式会社東芝 磁気共鳴映像装置
NL8502223A (nl) * 1985-08-12 1987-03-02 Philips Nv Werkwijze voor het selektief exciteren van een volume in een objekt.
DE3543123A1 (de) * 1985-12-06 1987-06-11 Spectrospin Ag Verfahren zur aufnahme von kernresonanzspektren
DE3543854A1 (de) * 1985-12-12 1987-06-19 Philips Patentverwaltung Kernspintomographieverfahren und anordnung zur durchfuehrung des verfahrens
JPS62176442A (ja) * 1986-01-29 1987-08-03 横河メディカルシステム株式会社 核磁気共鳴断層撮影装置用スキヤンコントロ−ラ
JPS62176441A (ja) * 1986-01-29 1987-08-03 横河メディカルシステム株式会社 核磁気共鳴断層撮影装置用スキヤンコントロ−ラ
FR2598509B1 (fr) * 1986-05-06 1989-03-31 Thomson Cgr Procede de calibration de l'amplitude de l'excitation radiofrequence d'un appareil d'imagerie par resonance magnetique nucleaire
GB8621061D0 (en) * 1986-09-01 1986-10-08 Hewlett Packard Ltd User interface simulation
GB8621322D0 (en) * 1986-09-04 1986-10-15 Mcdonald P J Imaging solids
FR2607253B1 (fr) * 1986-11-21 1989-06-09 Thomson Cgr Procede de representation des parties en mouvement dans un corps par experimentation de resonance magnetique nucleaire
JPS63189134A (ja) * 1987-02-02 1988-08-04 株式会社東芝 磁気共鳴イメ−ジング装置
US4760336A (en) * 1987-02-27 1988-07-26 Stanford University Variable rate magnetic resonance selective excitation for reducing rf power and specific absorption rate
US4988947A (en) * 1987-03-27 1991-01-29 Regents Of The University Of Minnesota Amplitude and frequency/phase modulated pulses to achieve plane rotations of nuclear spin magnetization vectors with inhomogeneous B1
US4914392A (en) * 1987-03-27 1990-04-03 Reagents Of The University Of Minnesota Amplitude and frequency/phase modulated pulses to achieve plane rotations of nuclear spin magnetization vectors with inhomogeneous B1
IL84152A (en) * 1987-10-12 1991-06-10 Elscint Ltd Magnetic resonance spectroscopic measurements of restricted volumes
NL8702700A (nl) * 1987-11-12 1989-06-01 Philips Nv Werkwijze en inrichting voor automatische fasecorrectie van complexe nmr spectra.
NL8703127A (nl) * 1987-12-24 1989-07-17 Philips Nv Werkwijze en inrichting voor het genereren van vervlochten multiple-slice en multiple-echo pulssequenties voor mri.
US5019784A (en) * 1989-08-11 1991-05-28 Regents Of The University Of Minnesota Time symmetric pulse to uniformly rotate magnetization vectors by an arbitrary angle in the presence of large B1 inhomogeneities and resonance offsets
JPH0399632A (ja) * 1989-09-13 1991-04-24 Hitachi Ltd 磁気共鳴イメージング装置
US5125407A (en) * 1990-02-23 1992-06-30 Baylor Research Foundation Method for magnetic resonance imaging of an object
US5066914A (en) * 1990-03-26 1991-11-19 General Electric Company Gradient amplifier system with flexible amplifier allocation
JPH05184555A (ja) * 1991-03-20 1993-07-27 Hitachi Ltd 磁気共鳴イメージング方法及び装置
US6975114B1 (en) * 2002-11-20 2005-12-13 Nova Medical, Inc. Methods for transmit excitation in magnetic resonance imaging using a transmit pulse with time varying spatial characteristics
TW200519925A (en) * 2003-08-05 2005-06-16 Matsushita Electric Ind Co Ltd Optical disc and the manufacturing method thereof
US20210373099A1 (en) * 2016-08-02 2021-12-02 The University Of Melbourne Method and system for magnetic resonance
AU2018214017A1 (en) * 2018-08-07 2020-02-27 The University Of Melbourne Quantum Spin Magnetometer

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3968424A (en) * 1974-08-01 1976-07-06 Varian Associates Fourier transform NMR spectroscopy employing a phase modulated rf carrier
US4065714A (en) * 1976-06-21 1977-12-27 Varian Associates, Inc. Pulsed RF excited spectrometer having improved pulse width control
US4471305A (en) * 1978-07-20 1984-09-11 The Regents Of The University Of Calif. Method and apparatus for rapid NMR imaging of nuclear parameters with an object
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
DE3044396A1 (de) * 1980-11-25 1982-06-24 Siemens AG, 1000 Berlin und 8000 München Verfahren und vorrichtung zur erstellung von kernresonanzbildern
US4443761A (en) * 1981-06-16 1984-04-17 National Research Development Corporation NMR Spectroscopy
DE3135335A1 (de) * 1981-09-07 1983-08-18 Siemens AG, 1000 Berlin und 8000 München Kernspin-tomographie-verfahren
JPS5848839A (ja) * 1981-09-18 1983-03-22 Hitachi Ltd 核磁気共鳴を用いた検査装置
US4438400A (en) * 1982-01-18 1984-03-20 Varian Associates, Inc. Method for suppression of acoustic ringing in NMR measurements
JPS58142251A (ja) * 1982-02-19 1983-08-24 Jeol Ltd 核磁気共鳴測定方法
DE3209263A1 (de) * 1982-03-13 1983-09-22 Bruker Medizintechnik Gmbh, 7512 Rheinstetten Verfahren zum messen der magnetischen kernresonanz
US4470014A (en) * 1982-03-26 1984-09-04 National Research Development Corporation NMR Spectroscopy
US4443760A (en) * 1982-07-01 1984-04-17 General Electric Company Use of phase alternated RF pulses to eliminate effects of spurious free induction decay caused by imperfect 180 degree RF pulses in NMR imaging
US4543529A (en) * 1983-01-04 1985-09-24 Nmr Imaging, Inc. Method of tuning an NMR apparatus
JPS6082841A (ja) * 1983-10-12 1985-05-11 Yokogawa Hokushin Electric Corp 核磁気共鳴による検査装置

Also Published As

Publication number Publication date
JPS60242352A (ja) 1985-12-02
EP0152879A3 (en) 1987-04-08
US4613949A (en) 1986-09-23
FI850361A0 (fi) 1985-01-28
JPH0349255B2 (ko) 1991-07-29
FI850361L (fi) 1985-08-18
EP0152879A2 (en) 1985-08-28
IL74341A0 (en) 1985-05-31
KR880001531B1 (ko) 1988-08-19
EP0152879B1 (en) 1990-06-27
DE3578456D1 (de) 1990-08-02

Similar Documents

Publication Publication Date Title
KR850007120A (ko) Nmr 영상화 장치 및 방법
KR860700151A (ko) 자발공진 이용 방법 및 장치
DE3650722T2 (de) Bilderzeugungsgerät
KR860003524A (ko) 탐사방법 및 장치
DE3486434T2 (de) Bildbearbeitungsgerät
DE69133626D1 (de) Messverfahren und -vorrichtung
DE3855946T2 (de) Bilderzeugungsgerät
ATA89484A (de) Mikrohaertepruefeinrichtung
KR860004339A (ko) 정착장치
KR910004160B1 (en) Simultaneous nmr imaging system device and its method
DE3887325D1 (de) Positionsmessverfahren und -apparat.
KR880701865A (ko) 거리 결정방법 및 장치
DE3855368T2 (de) Bilderzeugungsgerät
KR890700405A (ko) 피복장치와 방법
IT8547565A1 (it) Metodo e dispositivo per idromassaggi
ES557008A0 (es) Perfeccionamientos en un aparato reorientador de objetos
DE3855831D1 (de) Bilderzeugungsgerät
DE69020937T2 (de) Abbildungsverfahren und -vorrichtung.
NO850488L (no) Sikteinnretning
BR8407368A (pt) Aparelho de icamento
IT1185472B (it) Procedimento e dispositivo per produrre bastoncini-filtro
KR850008078A (ko) 고체촬상장치 및 그 구동방법
DE3688981T2 (de) Nmr-bildformungsverfahren.
DE3575353D1 (de) Nmr-abbildungsvorrichtung.
KR890007955U (ko) 촬상 장치

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 19930816

Year of fee payment: 6

LAPS Lapse due to unpaid annual fee