JPH1199139A5 - - Google Patents

Info

Publication number
JPH1199139A5
JPH1199139A5 JP1998219556A JP21955698A JPH1199139A5 JP H1199139 A5 JPH1199139 A5 JP H1199139A5 JP 1998219556 A JP1998219556 A JP 1998219556A JP 21955698 A JP21955698 A JP 21955698A JP H1199139 A5 JPH1199139 A5 JP H1199139A5
Authority
JP
Japan
Prior art keywords
base
region
magnet
pole face
magnetic field
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.)
Granted
Application number
JP1998219556A
Other languages
English (en)
Japanese (ja)
Other versions
JP4050828B2 (ja
JPH1199139A (ja
Filing date
Publication date
Priority claimed from US08/884,415 external-priority patent/US5935065A/en
Application filed filed Critical
Publication of JPH1199139A publication Critical patent/JPH1199139A/ja
Publication of JPH1199139A5 publication Critical patent/JPH1199139A5/ja
Application granted granted Critical
Publication of JP4050828B2 publication Critical patent/JP4050828B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

JP21955698A 1997-06-27 1998-06-29 周辺アクセスおよび非均質磁場を有する磁気共鳴像映システム Expired - Fee Related JP4050828B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US884415 1997-06-27
US08/884,415 US5935065A (en) 1997-06-27 1997-06-27 MRI system with peripheral access and inhomogeneous field

Publications (3)

Publication Number Publication Date
JPH1199139A JPH1199139A (ja) 1999-04-13
JPH1199139A5 true JPH1199139A5 (enExample) 2005-10-20
JP4050828B2 JP4050828B2 (ja) 2008-02-20

Family

ID=25384580

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21955698A Expired - Fee Related JP4050828B2 (ja) 1997-06-27 1998-06-29 周辺アクセスおよび非均質磁場を有する磁気共鳴像映システム

Country Status (8)

Country Link
US (1) US5935065A (enExample)
EP (1) EP0887655B1 (enExample)
JP (1) JP4050828B2 (enExample)
AR (1) AR010921A1 (enExample)
AU (1) AU746820B2 (enExample)
BR (1) BR9815758A (enExample)
CA (1) CA2239803A1 (enExample)
DE (1) DE69822709T2 (enExample)

Families Citing this family (20)

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GB2357149A (en) 1999-12-08 2001-06-13 Topspin Medical MRI using non-homogeneous static field
US6704594B1 (en) 2000-11-06 2004-03-09 Topspin Medical (Israel) Limited Magnetic resonance imaging device
WO2002082116A1 (en) 2001-04-09 2002-10-17 The Regents Of The University Of California Method and apparatus for high resolution ex-situ nmr spectroscopy
WO2003016951A1 (en) * 2001-08-14 2003-02-27 The Regents Of The University Of California Method and apparatus for high resolution ex-situ nmr spectroscopy
US8164802B2 (en) * 2002-09-13 2012-04-24 Douglas Pedley Device, system, and method for scanning paper media
AU2003298479A1 (en) * 2003-01-21 2004-08-13 Koninklijke Philips Electronics N.V. Magnetic resonance method with non-linear magnetic field gradients
WO2006028588A2 (en) 2004-07-22 2006-03-16 The Regents Of The University Of California Nuclear magnetic resonance detection in inhomogeneous magnetic fields
US7187169B2 (en) 2004-11-03 2007-03-06 The Regents Of The University Of California NMR and MRI apparatus and method
USD549826S1 (en) * 2004-11-09 2007-08-28 Neomax Co., Ltd. Magnetic field generating device for use in magnetic resonance imaging
CN100563752C (zh) * 2005-01-31 2009-12-02 重庆融海超声医学工程研究中心有限公司 Mri引导的超声波治疗装置
US7274192B2 (en) * 2005-05-31 2007-09-25 General Electric Company Combined open and closed magnet configuration for MRI
EP2795343A4 (en) * 2011-11-23 2015-08-19 Jutta Gaguen METHOD AND SYSTEM FOR MEASURING THE RELATIVE SPEED BETWEEN A VEHICLE AND THE SURROUNDING ATMOSPHERE
EP2877089B1 (en) 2012-07-27 2022-05-18 University Health Network Radiotherapy system integrating a radiation source with a magnetic resonance imaging apparatus with movable magnet components
US9713664B2 (en) 2013-03-15 2017-07-25 Fresenius Medical Care Holdings, Inc. Nuclear magnetic resonance module for a dialysis machine
US9597439B2 (en) 2013-03-15 2017-03-21 Fresenius Medical Care Holdings, Inc. Medical fluid sensing and concentration determination using radio frequency energy and a magnetic field
US9772386B2 (en) 2013-03-15 2017-09-26 Fresenius Medical Care Holdings, Inc. Dialysis system with sample concentration determination device using magnet and radio frequency coil assemblies
US9566377B2 (en) 2013-03-15 2017-02-14 Fresenius Medical Care Holdings, Inc. Medical fluid sensing and concentration determination in a fluid cartridge with multiple passageways, using a radio frequency device situated within a magnetic field
US9433718B2 (en) 2013-03-15 2016-09-06 Fresenius Medical Care Holdings, Inc. Medical fluid system including radio frequency (RF) device within a magnetic assembly, and fluid cartridge body with one of multiple passageways disposed within the RF device, and specially configured cartridge gap accepting a portion of said RF device
US10286135B2 (en) 2014-03-28 2019-05-14 Fresenius Medical Care Holdings, Inc. Measuring conductivity of a medical fluid
WO2019108902A1 (en) 2017-12-01 2019-06-06 Deka Products Limited Partnership System and method for characterising bioreactor fluids using a magnetic resonance apparatus

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JPS51127785A (en) * 1975-04-30 1976-11-08 Hokkaido Daigaku Measuring method of information around the surface of the substances t o be measured applying the nucleus magnet resonance phenomenon
US4296378A (en) * 1979-04-05 1981-10-20 Southwest Research Institute Apparatus providing enhanced detection of specimens in inhomogeneous fields
US4379262A (en) * 1979-08-10 1983-04-05 Picker International Limited Nuclear magnetic resonance systems
IL68344A (en) * 1983-04-10 1988-10-31 Yeda Res & Dev Method to eliminate the effects of magnetic field inhomogeneities in nmr imaging
US4542343A (en) * 1983-06-17 1985-09-17 Chevron Research Company Computer-controlled, portable pulsed NMR instrument and method of use wherein depolarization is ultrashortened using pseudo randomly spaced and oriented RF depolarization pulses
US4721914A (en) * 1984-05-01 1988-01-26 The United States Of America As Represented By The United States Department Of Energy Apparatus for unilateral generation of a homogeneous magnetic field
US4684891A (en) * 1985-07-31 1987-08-04 The Regents Of The University Of California Rapid magnetic resonance imaging using multiple phase encoded spin echoes in each of plural measurement cycles
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
US4733190A (en) * 1987-03-16 1988-03-22 Medical Advances, Inc. NMR local coil with adjustable spacing
US5320103A (en) * 1987-10-07 1994-06-14 Advanced Techtronics, Inc. Permanent magnet arrangement
US4998976A (en) * 1987-10-07 1991-03-12 Uri Rapoport Permanent magnet arrangement
US4985678A (en) * 1988-10-14 1991-01-15 Picker International, Inc. Horizontal field iron core magnetic resonance scanner
US5207224A (en) * 1988-12-09 1993-05-04 Picker International, Ltd. Magnetic resonance apparatus
DE3917619A1 (de) * 1989-05-31 1990-12-06 Philips Patentverwaltung Spulenanordnung fuer die volumenselektive kernresonanz-spektroskopie
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US5057777A (en) * 1990-04-26 1991-10-15 North American Philips Corporation Quadrature coil construction
US5194809A (en) * 1990-06-30 1993-03-16 Lew Hyok S Nmr-scope
US5117188A (en) * 1990-10-29 1992-05-26 General Atomics Quasi-open magnet configuration for use in magnetic resonance imaging
GB9206014D0 (en) * 1992-03-19 1992-04-29 Oxford Instr Ltd Magnet assembly
JPH06121779A (ja) * 1992-10-12 1994-05-06 Toshiba Corp 磁気共鳴イメージング装置
DE69316837T2 (de) * 1992-11-10 1998-07-30 Koninkl Philips Electronics Nv Apparat mittels magnetischer Resonanz mit Lärmunterdrückung
US5304930A (en) * 1993-02-01 1994-04-19 Panacea Medical Laboratories Remotely positioned MRI system
US5361764A (en) * 1993-07-09 1994-11-08 Grumman Aerospace Corporation Magnetic resonance imaging foot coil assembly
US5390673A (en) * 1994-01-14 1995-02-21 Cordata, Incorporated Magnetic resonance imaging system
US5495222A (en) * 1994-04-15 1996-02-27 New York University Open permanent magnet structure for generating highly uniform field
US5500596A (en) * 1994-04-28 1996-03-19 Wisconsin Alumni Research Foundation Local coil array for magnetic resonance imaging of the lower extremities
US5402094A (en) * 1994-08-15 1995-03-28 Enge; Harald A. MRI mammography magnet
US5502387A (en) * 1994-08-23 1996-03-26 Northrop Grumman Corporation Variable geometry MRI coil
DE19709297A1 (de) * 1996-03-27 1997-07-24 Siemens Ag Magnetsystem für ein diagnostisches Magnetresonanzgerät
US5675305A (en) * 1996-07-17 1997-10-07 Picker International, Inc. Multiple driven C magnet

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