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
Links
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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| DE4038106C2 (de) * | 1989-12-12 | 2002-04-18 | Siemens Ag | Oberflächenresonator für einen Kernspintomographen |
| 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 |
-
1997
- 1997-06-27 US US08/884,415 patent/US5935065A/en not_active Expired - Lifetime
-
1998
- 1998-06-26 DE DE69822709T patent/DE69822709T2/de not_active Expired - Fee Related
- 1998-06-26 BR BR9815758-2A patent/BR9815758A/pt not_active Application Discontinuation
- 1998-06-26 EP EP98305042A patent/EP0887655B1/en not_active Expired - Lifetime
- 1998-06-26 CA CA002239803A patent/CA2239803A1/en not_active Abandoned
- 1998-06-29 AU AU73924/98A patent/AU746820B2/en not_active Ceased
- 1998-06-29 JP JP21955698A patent/JP4050828B2/ja not_active Expired - Fee Related
- 1998-06-29 AR ARP980103131A patent/AR010921A1/es unknown
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