NL8502273A - Magnetisch resonantie apparaat met bird cage r.f. spoel. - Google Patents

Magnetisch resonantie apparaat met bird cage r.f. spoel. Download PDF

Info

Publication number: NL8502273A
Authority: NL; Netherlands
Prior art keywords: conductors; magnetic resonance; coil; impedance; resonance device
Prior art date: 1985-08-19

Application number

NL8502273A

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.)

1985-08-19

Filing date

1985-08-19

Publication date

1987-03-16

1985-08-19 Application filed by Philips Nv filed Critical Philips Nv

1985-08-19 Priority to NL8502273A priority Critical patent/NL8502273A/nl

1986-08-01 Priority to DE8686201360T priority patent/DE3677292D1/de

1986-08-01 Priority to US06/891,793 priority patent/US4737718A/en

1986-08-01 Priority to EP86201360A priority patent/EP0213665B1/en

1986-08-15 Priority to CA000516019A priority patent/CA1254618A/en

1986-08-15 Priority to FI863321A priority patent/FI863321A/fi

1986-08-16 Priority to CN198686105283A priority patent/CN86105283A/zh

1986-08-18 Priority to IL79759A priority patent/IL79759A0/xx

1986-08-18 Priority to KR1019860006782A priority patent/KR870002447A/ko

1986-08-18 Priority to BR8603929A priority patent/BR8603929A/pt

1986-08-19 Priority to JP61192234A priority patent/JPH0775601B2/ja

1987-03-16 Publication of NL8502273A publication Critical patent/NL8502273A/nl

Links

239000004020 conductor Substances 0.000 claims description 54
238000009826 distribution Methods 0.000 claims description 12
230000001939 inductive effect Effects 0.000 claims description 8
230000003071 parasitic effect Effects 0.000 claims description 6
238000010168 coupling process Methods 0.000 description 20
238000005859 coupling reaction Methods 0.000 description 20
230000008878 coupling Effects 0.000 description 14
238000001816 cooling Methods 0.000 description 6
238000012937 correction Methods 0.000 description 3
238000010586 diagram Methods 0.000 description 3
238000006073 displacement reaction Methods 0.000 description 3
238000010276 construction Methods 0.000 description 2
238000009472 formulation Methods 0.000 description 2
238000005259 measurement Methods 0.000 description 2
239000000203 mixture Substances 0.000 description 2
230000005540 biological transmission Effects 0.000 description 1
239000003990 capacitor Substances 0.000 description 1
238000001514 detection method Methods 0.000 description 1
238000011010 flushing procedure Methods 0.000 description 1
229910052734 helium Inorganic materials 0.000 description 1
239000001307 helium Substances 0.000 description 1
SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
239000007788 liquid Substances 0.000 description 1
230000010363 phase shift Effects 0.000 description 1
238000009827 uniform distribution Methods 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1

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
- G01R33/28—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
- G01R33/34076—Birdcage 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
- 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
- G01R33/3628—Tuning/matching of the transmit/receive coil

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Condensed Matter Physics & Semiconductors (AREA)
High Energy & Nuclear Physics (AREA)
Chemical & Material Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Health & Medical Sciences (AREA)
Analytical Chemistry (AREA)
Biochemistry (AREA)
General Health & Medical Sciences (AREA)
Immunology (AREA)
Pathology (AREA)
Magnetic Resonance Imaging Apparatus (AREA)

NL8502273A 1985-08-19 1985-08-19 Magnetisch resonantie apparaat met bird cage r.f. spoel. NL8502273A (nl)

Priority Applications (11)

Application Number	Priority Date	Filing Date	Title
NL8502273A NL8502273A (nl)	1985-08-19	1985-08-19	Magnetisch resonantie apparaat met bird cage r.f. spoel.
DE8686201360T DE3677292D1 (de)	1985-08-19	1986-08-01	Apparat zur bilderzeugung mittels magnetischer resonanz mit "bird-cage" hochfrequenzspule.
US06/891,793 US4737718A (en)	1985-08-19	1986-08-01	Magnetic resonance imaging apparatus including a bird-cage r.f. coil
EP86201360A EP0213665B1 (en)	1985-08-19	1986-08-01	Magnetic resonance imaging apparatus including a bird-cage r.f. coil
CA000516019A CA1254618A (en)	1985-08-19	1986-08-15	Magnetic resonance imaging apparatus including a bird- cage r.f. coil
FI863321A FI863321A (fi)	1985-08-19	1986-08-15	Magnetisk resonansavbildningsanordning omfattande en hoegfrekvensburspole.
CN198686105283A CN86105283A (zh)	1985-08-19	1986-08-16	包含鸟笼式射频线圈的磁谐振成像装置
IL79759A IL79759A0 (en)	1985-08-19	1986-08-18	Magnetic resonance imaging apparatus including a bird-cage r.f.coil
KR1019860006782A KR870002447A (ko)	1985-08-19	1986-08-18	자기공진 영상장치
BR8603929A BR8603929A (pt)	1985-08-19	1986-08-18	Aparelho de imagem de ressonancia magnetica o qual inclui uma bobina de radiofrequencia
JP61192234A JPH0775601B2 (ja)	1985-08-19	1986-08-19	磁気共鳴イメ−ジング装置

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL8502273A NL8502273A (nl)	1985-08-19	1985-08-19	Magnetisch resonantie apparaat met bird cage r.f. spoel.
NL8502273		1985-08-19

Publications (1)

Publication Number	Publication Date
NL8502273A true NL8502273A (nl)	1987-03-16

Family

ID=19846432

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL8502273A NL8502273A (nl)	1985-08-19	1985-08-19	Magnetisch resonantie apparaat met bird cage r.f. spoel.

Country Status (11)

Country	Link
US (1)	US4737718A (fi)
EP (1)	EP0213665B1 (fi)
JP (1)	JPH0775601B2 (fi)
KR (1)	KR870002447A (fi)
CN (1)	CN86105283A (fi)
BR (1)	BR8603929A (fi)
CA (1)	CA1254618A (fi)
DE (1)	DE3677292D1 (fi)
FI (1)	FI863321A (fi)
IL (1)	IL79759A0 (fi)
NL (1)	NL8502273A (fi)

Families Citing this family (37)

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GB2208937B (en) *	1987-08-21	1992-04-01	Fuji Electric Co Ltd	High frequency coil
US4833409A (en) *	1987-12-21	1989-05-23	General Electric Company	Apparatus for dynamically disabling an NMR field coil
NL8802608A (nl) *	1988-10-24	1990-05-16	Philips Nv	Magnetisch resonantie apparaat met verbeterde rf spoel.
NL8802609A (nl) *	1988-10-24	1990-05-16	Philips Nv	Magnetisch resonantie apparaat met geoptimaliseerd detectieveld.
US5177441A (en) *	1989-06-16	1993-01-05	Picker International, Inc.	Elliptical cross section gradient oil
EP0486590B1 (en) *	1989-08-11	1996-11-27	British Technology Group Ltd	Resonant cavities for nmr
NL8903066A (nl) *	1989-12-14	1991-07-01	Philips Nv	Magnetisch resonantie apparaat met beeldfout reductie.
NL9001298A (nl) *	1990-06-08	1992-01-02	Philips Nv	Rf spoelenstelsel in magnetisch resonantie apparaat.
US5194811A (en) *	1990-08-02	1993-03-16	Fox Chase Cancer Center	Radio frequency volume resonator for nuclear magnetic resonance
US5212450A (en) *	1990-10-25	1993-05-18	Fox Chase Cancer Center	Radio frequency volume resonator for nuclear magnetic resonance
US5202635A (en) *	1991-01-17	1993-04-13	Fox Chase Cancer Center	Radio frequency volume resonator for nuclear magnetic resonance
DE69221835T2 (de) *	1991-12-11	1998-03-05	Philips Electronics Nv	Magnetresonanzgerät mit einer Vogelkäfig-RF-Spule
US5309104A (en) *	1992-05-22	1994-05-03	General Electric Company	Asymmetric radio frequency coil for magnetic resonance imaging
US5387868A (en) *	1992-09-29	1995-02-07	U.S. Philips Corporation	Magnetic resonance apparatus
US5557247A (en) *	1993-08-06	1996-09-17	Uab Research Foundation	Radio frequency volume coils for imaging and spectroscopy
US5886596A (en) *	1993-08-06	1999-03-23	Uab Research Foundation	Radio frequency volume coils for imaging and spectroscopy
US5483163A (en) *	1993-08-12	1996-01-09	The United States Of America As Represented By The Department Of Health And Human Services	MRI coil using inductively coupled individually tuned elements arranged as free-pivoting components
US5744957A (en) *	1995-08-15	1998-04-28	Uab Research Foundation	Cavity resonator for NMR systems
WO2000072033A2 (en) *	1999-05-21	2000-11-30	The General Hospital Corporation	Tem resonator for magnetic resonance imaging
US7598739B2 (en) *	1999-05-21	2009-10-06	Regents Of The University Of Minnesota	Radio frequency gradient, shim and parallel imaging coil
CA2417525A1 (en) *	2000-07-31	2002-02-07	Regents Of The University Of Minnesota	Open tem resonators for mri
DE60225039T2 (de) *	2001-10-24	2009-03-05	Koninklijke Philips Electronics N.V.	Rf-spule mit zwei parallelen endleitern
EP1514140A4 (en) *	2002-05-17	2006-01-25	Mr Instr Inc	CAVITY RESONATOR FOR MR SYSTEMS
CN100526906C (zh) *	2002-11-27	2009-08-12	皇家飞利浦电子股份有限公司	退化的笼式线圈和使用该线圈的磁共振成像***及方法
KR20070030208A (ko) *	2004-05-07	2007-03-15	리전츠 오브 더 유니버스티 오브 미네소타	자기 공명 무선 주파수 코일용 다중 전류 요소
US7659719B2 (en) *	2005-11-25	2010-02-09	Mr Instruments, Inc.	Cavity resonator for magnetic resonance systems
US8542017B2 (en) *	2009-12-21	2013-09-24	Nxp B.V.	System and method for measuring the shape of an organ of a patient using a magnetic induction radio sensor integrated in a stretchable strap
JP5685476B2 (ja) *	2011-04-11	2015-03-18	株式会社日立製作所	磁気共鳴イメージング装置
KR101631777B1 (ko)	2011-10-26	2016-06-17	다이니치 세이카 고교 가부시키가이샤	방사성 요오드의 제거방법 및 방사성 요오드 제거용 친수성 수지
CA2859938C (en)	2011-12-28	2016-11-15	Dainichiseika Color & Chemicals Mfg. Co., Ltd.	Method and hydrophilic resin composition for removal of radioactive iodine and/or radioactive cesium
CN104054137B (zh)	2012-01-18	2016-09-07	大日精化工业株式会社	放射性铯的除去方法、用于除去放射性铯的亲水性树脂组合物、放射性碘和放射性铯的除去方法以及用于除去放射性碘和放射性铯的亲水性树脂组合物
EP2825897B1 (en)	2012-03-14	2021-08-25	Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V.	A method for multi-mode, multi-load, and multi-domain optimization of a multi-channel near-field rf transmitter
US9885766B2 (en)	2012-04-17	2018-02-06	Transarray LLC	Magnetic-resonance transceiver-phased array that compensates for reactive and resistive components of mutual impedance between array elements and circuit and method thereof
CA2898272C (en)	2013-02-19	2017-08-29	Dainichiseika Color & Chemicals Mfg. Co., Ltd.	Method for removing radioactive cesium, hydrophilic resin composition for removal of radioactive cesium, method for removing radioactive iodine and radioactive cesium, and hydrophilic resin composition for removal of radioactive iodine and radioactive cesium
US10057642B2 (en) *	2015-10-06	2018-08-21	Comcast Cable Communications, Llc	Controlling the provision of power to one or more devices
US11956503B2 (en)	2015-10-06	2024-04-09	Comcast Cable Communications, Llc	Controlling a device based on an audio input
DE102016007832A1 (de)	2016-06-27	2017-12-28	Giesecke+Devrient Mobile Security Gmbh	Effizientes Authentifizieren

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Publication number	Priority date	Publication date	Assignee	Title
GB2050062B (en) *	1979-05-25	1983-07-20	Emi Ltd	Coils for electromagnets with uniform fields
US4439733A (en) *	1980-08-29	1984-03-27	Technicare Corporation	Distributed phase RF coil
DE3133432A1 (de) *	1981-08-24	1983-03-03	Siemens AG, 1000 Berlin und 8000 München	Hochfrequenzfeld-einrichtung in einer kernspinresonanz-apparatur
US4694255A (en) *	1983-11-04	1987-09-15	General Electric Company	Radio frequency field coil for NMR
US5274332A (en) *	1983-11-14	1993-12-28	General Electric Company	Inductively coupled multi-section radio frequency field coil for NMR
GB8334374D0 (en) *	1983-12-23	1984-02-01	Picker Int Ltd	Coil arrangements
DE3347597A1 (de) *	1983-12-30	1985-07-18	Philips Patentverwaltung Gmbh, 2000 Hamburg	Hochfrequenz-spulenanordnung zum erzeugen und/oder empfangen von wechselmagnetfeldern
FI853150L (fi) *	1984-10-09	1986-04-10	Gen Electric	Radiofrekvensfaelt foer nmr.
US4638253A (en) *	1984-10-29	1987-01-20	General Electric Company	Mutual inductance NMR RF coil matching device

1985
- 1985-08-19 NL NL8502273A patent/NL8502273A/nl not_active Application Discontinuation
1986
- 1986-08-01 EP EP86201360A patent/EP0213665B1/en not_active Expired - Lifetime
- 1986-08-01 US US06/891,793 patent/US4737718A/en not_active Expired - Lifetime
- 1986-08-01 DE DE8686201360T patent/DE3677292D1/de not_active Expired - Lifetime
- 1986-08-15 FI FI863321A patent/FI863321A/fi not_active IP Right Cessation
- 1986-08-15 CA CA000516019A patent/CA1254618A/en not_active Expired
- 1986-08-16 CN CN198686105283A patent/CN86105283A/zh active Pending
- 1986-08-18 IL IL79759A patent/IL79759A0/xx not_active IP Right Cessation
- 1986-08-18 BR BR8603929A patent/BR8603929A/pt unknown
- 1986-08-18 KR KR1019860006782A patent/KR870002447A/ko not_active Application Discontinuation
- 1986-08-19 JP JP61192234A patent/JPH0775601B2/ja not_active Expired - Fee Related

Also Published As

Publication number	Publication date
FI863321A0 (fi)	1986-08-15
EP0213665B1 (en)	1991-01-30
FI863321A (fi)	1987-02-20
CA1254618A (en)	1989-05-23
KR870002447A (ko)	1987-03-31
JPS6244239A (ja)	1987-02-26
IL79759A0 (en)	1986-11-30
DE3677292D1 (de)	1991-03-07
BR8603929A (pt)	1987-03-24
CN86105283A (zh)	1987-03-18
US4737718A (en)	1988-04-12
EP0213665A1 (en)	1987-03-11
JPH0775601B2 (ja)	1995-08-16

Legal Events

Date	Code	Title	Description
1987-03-16	A1B	A search report has been drawn up
1989-04-03	BV	The patent application has lapsed

Publication	Publication Date	Title
NL8502273A (nl)	1987-03-16	Magnetisch resonantie apparaat met bird cage r.f. spoel.
KR890000411B1 (ko)	1989-03-16	Nmr 주사장치
US4952878A (en)	1990-08-28	Magnetic resonance apparatus having an improved RF coil
KR880001360B1 (ko)	1988-07-28	핵자기 공명용 rf 코일
EP0336728B1 (en)	1994-08-24	Apparatus for tuning an NMR field coil
JP4844310B2 (ja)	2011-12-28	高周波コイルおよび磁気共鳴撮像装置
US7495443B2 (en)	2009-02-24	RF coil system for super high field (SHF) MRI
NL8502340A (nl)	1987-03-16	Magnetisch resonantie apparaat met veld homogeniserende magnetische elementen.
JP2001112738A (ja)	2001-04-24	磁気共鳴装置のためのｒｆ発信コイル
US4987370A (en)	1991-01-22	Rf quadrature coil system for an MRI apparatus
NL8701948A (nl)	1989-03-16	Magnetisch resonantie-apparaat met verbeterd gradient spoelenstelsel.
US5302901A (en)	1994-04-12	Magnetic resonance apparatus comprising decoupled receiver coils
EP0173363B1 (en)	1989-10-18	Mr-apparatus having a transmission-measuring coil for high frequencies
JPS61249458A (ja)	1986-11-06	核スピン断層撮影装置
JPH0636025B2 (ja)	1994-05-11	Ｎｍｒ用無線周波コイル
US5677629A (en)	1997-10-14	RF coil for transmitting/receiving a broad spectrum of electromagnetic energy
EP0239147B1 (en)	1990-08-08	Magnetic resonance imaging apparatus including an interference-poor r.f. coil
Mispelter et al.	2008	Homogeneous resonators for magnetic resonance: A review
EP0766832A1 (en)	1997-04-09	Rf coil arrangement for a magnetic resonance apparatus
US5019778A (en)	1991-05-28	Magnetic resonance apparatus with an optimized detection field
US12032047B2 (en)	2024-07-09	Birdcage antenna