NL8701949A - Magnetisch resonantie apparaat met geintegreerde gradient-rf spoelen. - Google Patents

Magnetisch resonantie apparaat met geintegreerde gradient-rf spoelen. Download PDF

Info

Publication number
NL8701949A
NL8701949A NL8701949A NL8701949A NL8701949A NL 8701949 A NL8701949 A NL 8701949A NL 8701949 A NL8701949 A NL 8701949A NL 8701949 A NL8701949 A NL 8701949A NL 8701949 A NL8701949 A NL 8701949A
Authority
NL
Netherlands
Prior art keywords
coil
magnetic resonance
gradient
resonance device
coil system
Prior art date
Application number
NL8701949A
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 NL8701949A priority Critical patent/NL8701949A/nl
Priority to EP88201729A priority patent/EP0307981A1/en
Priority to JP63202797A priority patent/JPS6468246A/ja
Priority to US07/233,308 priority patent/US4893083A/en
Publication of NL8701949A publication Critical patent/NL8701949A/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
    • G01R33/28—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
    • 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
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
NL8701949A 1987-08-19 1987-08-19 Magnetisch resonantie apparaat met geintegreerde gradient-rf spoelen. NL8701949A (nl)

Priority Applications (4)

Application Number Priority Date Filing Date Title
NL8701949A NL8701949A (nl) 1987-08-19 1987-08-19 Magnetisch resonantie apparaat met geintegreerde gradient-rf spoelen.
EP88201729A EP0307981A1 (en) 1987-08-19 1988-08-12 Magnetic resonance apparatus comprising integrated gradient r.f. coils
JP63202797A JPS6468246A (en) 1987-08-19 1988-08-16 Magnetic resonance apparatus including integrated rf coil for inclined magnetic field
US07/233,308 US4893083A (en) 1987-08-19 1988-08-17 Magnetic resonance apparatus comprising integrated gradient r.f. coils

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8701949 1987-08-19
NL8701949A NL8701949A (nl) 1987-08-19 1987-08-19 Magnetisch resonantie apparaat met geintegreerde gradient-rf spoelen.

Publications (1)

Publication Number Publication Date
NL8701949A true NL8701949A (nl) 1989-03-16

Family

ID=19850474

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8701949A NL8701949A (nl) 1987-08-19 1987-08-19 Magnetisch resonantie apparaat met geintegreerde gradient-rf spoelen.

Country Status (4)

Country Link
US (1) US4893083A (ja)
EP (1) EP0307981A1 (ja)
JP (1) JPS6468246A (ja)
NL (1) NL8701949A (ja)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4983942A (en) * 1989-12-04 1991-01-08 General Electric Company Apparatus for locating passive shim guide rails in MR magnets
US4990877A (en) * 1989-12-04 1991-02-05 General Electric Company Passive shimming assembly for MR magnet
US5132621A (en) * 1990-04-24 1992-07-21 General Electric Company Radio frequency field coil and power splitter for nmr
GB9009577D0 (en) * 1990-04-27 1990-06-20 Oxford Advanced Tech Magnetic field generating assembly
DE4111508C2 (de) * 1991-04-09 1994-07-14 Bruker Medizintech Vorrichtung zum Anregen und/oder Messen magnetischer Resonanz
US5365173A (en) * 1992-07-24 1994-11-15 Picker International, Inc. Technique for driving quadrature dual frequency RF resonators for magnetic resonance spectroscopy/imaging by four-inductive loop over coupling
US5293126A (en) * 1992-11-09 1994-03-08 General Electric Company Local transverse gradient coil
US5412322A (en) * 1993-06-24 1995-05-02 Wollin Ventures, Inc. Apparatus and method for spatially ordered phase encoding and for determining complex permittivity in magnetic resonance by using superimposed time-varying electric fields
US5757187A (en) * 1993-06-24 1998-05-26 Wollin Ventures, Inc. Apparatus and method for image formation in magnetic resonance utilizing weak time-varying gradient fields
US5457387A (en) * 1993-07-06 1995-10-10 Picker International, Inc. Magnetic resonance imager with removable element RF coil
US5396207A (en) * 1994-08-05 1995-03-07 General Electric Company On-shoulder MRI magnet for human brain imaging
US5630415A (en) * 1995-01-19 1997-05-20 The Regents Of The University Of California Rigidized gradient coil
DE19503833C2 (de) * 1995-02-06 1998-05-14 Siemens Ag Kernspintomographiegerät mit einer Kombination aus Hochfrequenzantenne und Gradientenspule
DE19701359A1 (de) * 1996-08-07 1998-02-12 Mitsubishi Electric Corp Magnetfelderzeugungsvorrichtung
DE10202986A1 (de) 2002-01-26 2003-07-31 Philips Intellectual Property Spulensystem für eine MR-Apparatur sowie MR-Apparatur mit einem solchen Spulensystem
JP4653439B2 (ja) * 2004-08-10 2011-03-16 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 勾配コイルおよびｍｒｉ装置
US20090222987A1 (en) * 2008-01-29 2009-09-10 Zeng He He Examination bed for an mri system
EP2384446A1 (en) * 2008-12-31 2011-11-09 Koninklijke Philips Electronics N.V. Gradient coil assembly for mri with integrated rf transmit amplifiers
BR112014018600A8 (pt) * 2012-02-01 2017-07-11 Koninklijke Philips Nv Sistema de formação de imagem por ressonância magnética, ímã para gerar um campo magnético e conjunto de comutador para um ímã supercondutor para gerar um campo magnético
DE102017213026A1 (de) * 2017-07-28 2019-01-31 Siemens Healthcare Gmbh Gradientenspule zur Erzeugung eines Magnetfeldgradienten und eines Magnetfeldes höherer Ordnung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2854774A1 (de) * 1978-12-19 1980-07-10 Battelle Institut E V Vorrichtung zur noninvasiven, lokalen in-vivo-untersuchung von koerpergewebe, organen, knochen, nerven oder von stroemendem blut auf der basis der spin-echo-technik
US4442404A (en) * 1978-12-19 1984-04-10 Bergmann Wilfried H Method and means for the noninvasive, local, in-vivo examination of endogeneous tissue, organs, bones, nerves and circulating blood on account of spin-echo techniques
DE2951018A1 (de) * 1979-12-19 1982-02-11 Wilfried H. Dr. 5483 Bad Neuenahr Bergmann Verfahren und vorrichtung zur verbesserung der empfindlichkeit und des signal-rausch-verhaeltnisses von spin-echo-messungen an proben, die bei ihrer eigentemperatur vermessen werden muessen und die elektrische leitfaehigkeit besitzen
DE3310160A1 (de) * 1983-03-21 1984-09-27 Siemens AG, 1000 Berlin und 8000 München Geraet zur erzeugung von bildern und ortsaufgeloesten spektren eines untersuchungsobjektes mit magnetischer kernresonanz
NL8303534A (nl) * 1983-10-14 1985-05-01 Philips Nv Kernspinresonantie apparaat.
DE3411222A1 (de) * 1984-03-27 1985-10-10 Philips Patentverwaltung Gmbh, 2000 Hamburg Kernspintomograph
US4740751A (en) * 1984-08-16 1988-04-26 Picker International, Inc. Whole body MRI resonator
JPH0737231B2 (ja) * 1990-11-09 1995-04-26 住友金属工業株式会社 鉄道車両用空気ばねの電子制御方法
FR2706777A1 (en) * 1993-06-21 1994-12-30 Taylor Made Golf Co Golf-club shaft (handle) with optimised distribution of flexibility

Also Published As

Publication number Publication date
JPS6468246A (en) 1989-03-14
EP0307981A1 (en) 1989-03-22
US4893083A (en) 1990-01-09

Similar Documents

Publication Publication Date Title
NL8701949A (nl) Magnetisch resonantie apparaat met geintegreerde gradient-rf spoelen.
NL8701948A (nl) Magnetisch resonantie-apparaat met verbeterd gradient spoelenstelsel.
US4689591A (en) Magnet assemblies for use in magnetic resonance imaging
JP4173236B2 (ja) 磁気共鳴断層像撮影装置
US4952878A (en) Magnetic resonance apparatus having an improved RF coil
EP0218290B1 (en) A magnetic resonance apparatus with a decoupling detection surface coil
EP0679900B1 (en) Pancake MRI magnet
EP0139308A2 (en) Nuclear magnetic resonance apparatus
NL8303533A (nl) Kernspinresonantie apparaat.
EP0488464B1 (en) Magnetic resonance apparatus comprising a superconducting shielding magnet
US10634745B2 (en) Actively shielded gradient coil assembly for a magnetic resonance examination system
JP3702498B2 (ja) 磁気共鳴撮像装置用の傾斜コイル機構
EP0460762A1 (en) Magnet system for magnetic resonance imaging
KR0141699B1 (ko) 화상 디스플레이 장치
JP5069471B2 (ja) オープンｍｒｉシステムのための平面ｒｆ共鳴器
US6982553B2 (en) Radio frequency coil with two parallel end conductors
US5245306A (en) Actively shielded magnet for magnetic resonance apparatus
US5019778A (en) Magnetic resonance apparatus with an optimized detection field
US5256970A (en) Magnetic resonance apparatus
US20230198309A1 (en) Magnetic resonance local coil for percutaneous mrt-guided needle intervention
US5457388A (en) Magnetic resonance apparatus including elements for homogenizing the magnetic field

Legal Events

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