IT1294051B1 - Struttura magnetica per la generazione di campi magnetici adatti all'uso nel rilevamento d'immagine in risonanza magnetica nucleare - Google Patents

Struttura magnetica per la generazione di campi magnetici adatti all'uso nel rilevamento d'immagine in risonanza magnetica nucleare

Info

Publication number
IT1294051B1
IT1294051B1 IT97SV000024A ITSV970024A IT1294051B1 IT 1294051 B1 IT1294051 B1 IT 1294051B1 IT 97SV000024 A IT97SV000024 A IT 97SV000024A IT SV970024 A ITSV970024 A IT SV970024A IT 1294051 B1 IT1294051 B1 IT 1294051B1
Authority
IT
Italy
Prior art keywords
magnetic
generation
image detection
fields suitable
nuclear
Prior art date
Application number
IT97SV000024A
Other languages
English (en)
Inventor
Alessandro Carrozzi
Alessandro Trequattrini
Gianluca Coscia
Original Assignee
Esaote Spa
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 Esaote Spa filed Critical Esaote Spa
Priority to IT97SV000024A priority Critical patent/IT1294051B1/it
Publication of ITSV970024A0 publication Critical patent/ITSV970024A0/it
Priority to DE69836293T priority patent/DE69836293T2/de
Priority to US09/062,777 priority patent/US6130538A/en
Priority to ES98107116T priority patent/ES2275291T3/es
Priority to EP98107116A priority patent/EP0875768B1/en
Publication of ITSV970024A1 publication Critical patent/ITSV970024A1/it
Application granted granted Critical
Publication of IT1294051B1 publication Critical patent/IT1294051B1/it

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
    • G01R33/3806—Open magnet assemblies for improved access to the sample, e.g. C-type or U-type magnets
    • 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
    • G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
    • 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
    • G01R33/381—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets
    • G01R33/3815—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets with superconducting coils, e.g. power supply therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
IT97SV000024A 1997-04-29 1997-04-29 Struttura magnetica per la generazione di campi magnetici adatti all'uso nel rilevamento d'immagine in risonanza magnetica nucleare IT1294051B1 (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT97SV000024A IT1294051B1 (it) 1997-04-29 1997-04-29 Struttura magnetica per la generazione di campi magnetici adatti all'uso nel rilevamento d'immagine in risonanza magnetica nucleare
DE69836293T DE69836293T2 (de) 1997-04-29 1998-04-20 Magnetstruktur für einen Kernspinresonanztomographen
US09/062,777 US6130538A (en) 1997-04-29 1998-04-20 Magnetic structure for generating magnetic fields to be used in nuclear magnetic resonance image detection, and machine for detecting said images
ES98107116T ES2275291T3 (es) 1997-04-29 1998-04-20 Estructura magnetica para generar campos magneticos para su uso en la deteccion de imagenes por resonancia magnetica nuclear.
EP98107116A EP0875768B1 (en) 1997-04-29 1998-04-20 Magnetic structure for generating magnetic fields to be used in nuclear magnetic resonance image detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT97SV000024A IT1294051B1 (it) 1997-04-29 1997-04-29 Struttura magnetica per la generazione di campi magnetici adatti all'uso nel rilevamento d'immagine in risonanza magnetica nucleare

Publications (3)

Publication Number Publication Date
ITSV970024A0 ITSV970024A0 (it) 1997-04-29
ITSV970024A1 ITSV970024A1 (it) 1998-10-29
IT1294051B1 true IT1294051B1 (it) 1999-03-15

Family

ID=11408221

Family Applications (1)

Application Number Title Priority Date Filing Date
IT97SV000024A IT1294051B1 (it) 1997-04-29 1997-04-29 Struttura magnetica per la generazione di campi magnetici adatti all'uso nel rilevamento d'immagine in risonanza magnetica nucleare

Country Status (5)

Country Link
US (1) US6130538A (it)
EP (1) EP0875768B1 (it)
DE (1) DE69836293T2 (it)
ES (1) ES2275291T3 (it)
IT (1) IT1294051B1 (it)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2774777B2 (ja) * 1994-11-25 1998-07-09 株式会社日立メディコ 磁気共鳴イメ−ジング装置
IT1294051B1 (it) * 1997-04-29 1999-03-15 Esaote Spa Struttura magnetica per la generazione di campi magnetici adatti all'uso nel rilevamento d'immagine in risonanza magnetica nucleare
US5994991A (en) * 1998-02-19 1999-11-30 General Electric Company Open magnet having shielding
US6504461B2 (en) 2001-03-26 2003-01-07 General Electric Company Open magnet with recessed field shaping coils
US6662434B2 (en) 2001-04-03 2003-12-16 General Electric Company Method and apparatus for magnetizing a permanent magnet
US6518867B2 (en) 2001-04-03 2003-02-11 General Electric Company Permanent magnet assembly and method of making thereof
DE10117595C1 (de) * 2001-04-07 2002-12-05 Bruker Biospin Gmbh Asymmetrische Anordnung permanentmagnetischer Elemente für eine Magnetresonanzapparatur und Verfahren zur Herstellung einer solchen Magnetanordnung
US6678189B2 (en) * 2002-02-25 2004-01-13 Hewlett-Packard Development Company, L.P. Method and system for performing equipotential sensing across a memory array to eliminate leakage currents
US6954070B2 (en) * 2003-01-06 2005-10-11 Brk Wireless Company, Inc. NMR imaging system with conical permanent magnet
WO2004069052A1 (ja) * 2003-02-10 2004-08-19 Neomax Co., Ltd. 磁界発生装置
US6831463B1 (en) * 2003-06-20 2004-12-14 Brigham And Women's Hospital Ferrorefraction MRI system having two orthogonal remote field polarization axes
US7148689B2 (en) 2003-09-29 2006-12-12 General Electric Company Permanent magnet assembly with movable permanent body for main magnetic field adjustable
US7423431B2 (en) * 2003-09-29 2008-09-09 General Electric Company Multiple ring polefaceless permanent magnet and method of making
ITSV20060015A1 (it) * 2006-06-06 2007-12-07 Esaote Spa Macchina per l'acquisizione di immagini mediante risonanza magnetica nucleare di pazienti in posizione naturale di sollecitazione degli arti, in particolare degli arti inferiori
IT1397713B1 (it) 2010-01-22 2013-01-24 Esaote Spa Macchina per risonanza magnetica nucleare con mezzi per la correzione dell'omogeneità del campo magnetico.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3090933B2 (ja) * 1988-10-14 2000-09-25 オックスフォード メディカル リミテッド 磁界発生組成体及び方法
JPH06197715A (ja) * 1992-03-16 1994-07-19 Kissei Pharmaceut Co Ltd たんぱく質調整そば
JP3742662B2 (ja) * 1992-08-05 2006-02-08 ゼネラル・エレクトリック・カンパニイ 開放形磁気共鳴イメージングに適した磁石
US5378988A (en) * 1993-01-22 1995-01-03 Pulyer; Yuly M. MRI system having high field strength open access magnet
JP3113513B2 (ja) * 1994-07-29 2000-12-04 住友特殊金属株式会社 Ｍｒｉ用磁界発生装置
IT1294051B1 (it) * 1997-04-29 1999-03-15 Esaote Spa Struttura magnetica per la generazione di campi magnetici adatti all'uso nel rilevamento d'immagine in risonanza magnetica nucleare

Also Published As

Publication number Publication date
EP0875768B1 (en) 2006-11-02
EP0875768A3 (en) 2000-03-22
US6130538A (en) 2000-10-10
ITSV970024A1 (it) 1998-10-29
EP0875768A2 (en) 1998-11-04
ITSV970024A0 (it) 1997-04-29
DE69836293D1 (de) 2006-12-14
ES2275291T3 (es) 2007-06-01
DE69836293T2 (de) 2007-05-31

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Legal Events

Date Code Title Description
0001 Granted