DE3881982D1 - Magnetischer resonanzapparat mit schallarmer gradientenspule. - Google Patents

Magnetischer resonanzapparat mit schallarmer gradientenspule.

Info

Publication number
DE3881982D1
DE3881982D1 DE8888201741T DE3881982T DE3881982D1 DE 3881982 D1 DE3881982 D1 DE 3881982D1 DE 8888201741 T DE8888201741 T DE 8888201741T DE 3881982 T DE3881982 T DE 3881982T DE 3881982 D1 DE3881982 D1 DE 3881982D1
Authority
DE
Germany
Prior art keywords
low
magnetic resonance
gradient coil
resonance unit
sound gradient
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 - Fee Related
Application number
DE8888201741T
Other languages
English (en)
Other versions
DE3881982T2 (de
Inventor
Johannes Adrianus Overweg
Cornelis Leonardus Gerardu Ham
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of DE3881982D1 publication Critical patent/DE3881982D1/de
Application granted granted Critical
Publication of DE3881982T2 publication Critical patent/DE3881982T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01R33/38—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
    • G01R33/3854—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils means for active and/or passive vibration damping or acoustical noise suppression in gradient magnet coil systems

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE88201741T 1987-08-19 1988-08-16 Magnetischer Resonanzapparat mit schallarmer Gradientenspule. Expired - Fee Related DE3881982T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8701947A NL8701947A (nl) 1987-08-19 1987-08-19 Magnetisch resonantie apparaat met geluidsarme gradientspoel.

Publications (2)

Publication Number Publication Date
DE3881982D1 true DE3881982D1 (de) 1993-07-29
DE3881982T2 DE3881982T2 (de) 1994-01-05

Family

ID=19850472

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88201741T Expired - Fee Related DE3881982T2 (de) 1987-08-19 1988-08-16 Magnetischer Resonanzapparat mit schallarmer Gradientenspule.

Country Status (5)

Country Link
US (1) US4878024A (de)
EP (1) EP0304127B1 (de)
JP (1) JPS6470032A (de)
DE (1) DE3881982T2 (de)
NL (1) NL8701947A (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3938167A1 (de) * 1988-11-28 1990-05-31 Siemens Ag Gradientenspulen-system fuer einen kernspintomographen
FR2646920B1 (fr) * 1989-05-12 1991-07-05 Commissariat Energie Atomique Dispositif pour la production de champs magnetiques possedant une composante a gradient constant
DE4029477C2 (de) * 1989-09-29 1994-06-01 Siemens Ag Tesserale Gradientenspule für Kernspin-Tomographiegeräte
EP0431216A1 (de) * 1989-12-06 1991-06-12 Koninklijke Philips Electronics N.V. Verfahren zur Verminderung des akustischen Geräusches bei magnetischen Resonanzapparaten
NL9002574A (nl) * 1990-11-27 1992-06-16 Philips Nv Magnetisch resonantieapparaat.
US5235283A (en) * 1991-02-07 1993-08-10 Siemens Aktiengesellschaft Gradient coil system for a nuclear magnetic resonance tomography apparatus which reduces acoustic noise
DE4141514C2 (de) * 1991-02-07 1997-04-10 Siemens Ag Gradientenspulensystem für ein Kernspin-Tomographiegerät
JP2982392B2 (ja) * 1991-07-10 1999-11-22 株式会社日立製作所 磁気共鳴イメージング装置
GB9311321D0 (en) * 1993-06-02 1993-07-21 British Tech Group Apparatus for and methods of acoustic and magnetic screening
US5631618A (en) * 1994-09-30 1997-05-20 Massachusetts Institute Of Technology Magnetic arrays
US5701075A (en) * 1996-01-04 1997-12-23 General Electric Company Magnetic resonance imaging shimming by superconducting gradient shield
US6522144B2 (en) * 2000-12-22 2003-02-18 Ge Medical Systems Global Technology Company, Llc RF shielding method and apparatus for an open MRI system
DE10116623C1 (de) * 2001-04-03 2002-12-05 Bruker Biospin Gmbh Magnetresonanzapparatur mit Dämpfung innerer mechanischer Schwingungen
EP2388610A1 (de) * 2010-05-20 2011-11-23 Koninklijke Philips Electronics N.V. Magnetresonanzbildgebungsgradientenspule, Magnetanordnung und System

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59216045A (ja) * 1983-05-23 1984-12-06 Hitachi Ltd 傾斜磁場コイル
NL8303534A (nl) * 1983-10-14 1985-05-01 Philips Nv Kernspinresonantie apparaat.
IL70211A (en) * 1983-11-13 1989-03-31 Elscint Ltd Gradient field coils for nmr imaging
GB8332505D0 (en) * 1983-12-06 1984-01-11 Oxford Magnet Tech Imaging using resonance of nuclei
DE3406052A1 (de) * 1984-02-20 1985-08-22 Siemens AG, 1000 Berlin und 8000 München Gradientenspulen-system fuer eine anlage zur kernspintomographie
GB2170957A (en) * 1985-01-15 1986-08-13 Oxford Magnet Tech Coil assembly for NMR imaging
DE3677344D1 (de) * 1985-06-04 1991-03-07 Mitsubishi Electric Corp Spule fuer diagnostikgeraet zur bilderzeugung mittels magnetischer kernresonanz.
JPS61278741A (ja) * 1985-06-04 1986-12-09 Mitsubishi Electric Corp 核磁気共鳴画像診断装置用傾斜磁場コイル
JPS62117541A (ja) * 1985-11-18 1987-05-29 株式会社東芝 磁気共鳴イメ−ジング装置

Also Published As

Publication number Publication date
US4878024A (en) 1989-10-31
EP0304127B1 (de) 1993-06-23
EP0304127A1 (de) 1989-02-22
DE3881982T2 (de) 1994-01-05
NL8701947A (nl) 1989-03-16
JPS6470032A (en) 1989-03-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8339 Ceased/non-payment of the annual fee