WO1999005531A2 - Permanent magnet assemblies for use in medical applications - Google Patents
Permanent magnet assemblies for use in medical applications Download PDFInfo
- Publication number
- WO1999005531A2 WO1999005531A2 PCT/IL1998/000339 IL9800339W WO9905531A2 WO 1999005531 A2 WO1999005531 A2 WO 1999005531A2 IL 9800339 W IL9800339 W IL 9800339W WO 9905531 A2 WO9905531 A2 WO 9905531A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- permanent magnet
- annular
- annular permanent
- magnetic field
- magnet assembly
- Prior art date
Links
- 230000000712 assembly Effects 0.000 title claims abstract description 69
- 238000000429 assembly Methods 0.000 title claims abstract description 69
- 230000005291 magnetic effect Effects 0.000 claims abstract description 184
- 238000000034 method Methods 0.000 claims abstract description 26
- 230000035699 permeability Effects 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 26
- 125000004122 cyclic group Chemical group 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000012634 fragment Substances 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 239000000696 magnetic material Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000002595 magnetic resonance imaging Methods 0.000 abstract description 27
- 238000009189 magnetic resonance therapy Methods 0.000 abstract description 21
- 230000005415 magnetization Effects 0.000 description 6
- 238000003384 imaging method Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 210000004556 brain Anatomy 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000013152 interventional procedure Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000002887 superconductor Substances 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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
- G01R33/383—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using permanent 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
- G01R33/3806—Open magnet assemblies for improved access to the sample, e.g. C-type or U-type magnets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0273—Magnetic circuits with PM for magnetic field generation
- H01F7/0278—Magnetic circuits with PM for magnetic field generation for generating uniform fields, focusing, deflecting electrically charged particles
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000504464A JP2001511597A (en) | 1997-07-23 | 1998-07-19 | Permanent magnet assembly for use in medical applications |
EP98933869A EP1015905A2 (en) | 1997-07-23 | 1998-07-19 | Permanent magnet assemblies for use in medical applications |
AU83551/98A AU8355198A (en) | 1997-07-23 | 1998-07-19 | Permanent magnet assemblies for use in medical applications |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/898,773 US5900793A (en) | 1997-07-23 | 1997-07-23 | Permanent magnet assemblies for use in medical applications |
US08/898,773 | 1997-07-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1999005531A2 true WO1999005531A2 (en) | 1999-02-04 |
WO1999005531A3 WO1999005531A3 (en) | 1999-04-08 |
Family
ID=25410022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IL1998/000339 WO1999005531A2 (en) | 1997-07-23 | 1998-07-19 | Permanent magnet assemblies for use in medical applications |
Country Status (5)
Country | Link |
---|---|
US (2) | US5900793A (en) |
EP (1) | EP1015905A2 (en) |
JP (1) | JP2001511597A (en) |
AU (1) | AU8355198A (en) |
WO (1) | WO1999005531A2 (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000016117A1 (en) * | 1998-09-11 | 2000-03-23 | Kruip, Marcel, Jan, Marie | Temperature control for permanent magnet system |
EP1169719A1 (en) * | 1999-03-24 | 2002-01-09 | Odin Medical Technologies Ltd. | Hybrid magnetic apparatus for use in medical applications |
US6411187B1 (en) | 1997-07-23 | 2002-06-25 | Odin Medical Technologies, Ltd. | Adjustable hybrid magnetic apparatus |
US6600401B2 (en) | 1997-09-25 | 2003-07-29 | Odin Medical Technologies Ltd. | Magnetic apparatus for MRI |
WO2011023911A1 (en) | 2009-08-28 | 2011-03-03 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Cylindrical permanent magnet device generating a controlled magnetic field at a distance from the surface thereof |
JP2017527425A (en) * | 2014-09-05 | 2017-09-21 | ハイパーファイン リサーチ,インコーポレイテッド | Ferromagnetic enhancement for magnetic resonance imaging |
US11366188B2 (en) | 2016-11-22 | 2022-06-21 | Hyperfine Operations, Inc. | Portable magnetic resonance imaging methods and apparatus |
US11841408B2 (en) | 2016-11-22 | 2023-12-12 | Hyperfine Operations, Inc. | Electromagnetic shielding for magnetic resonance imaging methods and apparatus |
Families Citing this family (54)
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---|---|---|---|---|
US6150911A (en) * | 1996-07-24 | 2000-11-21 | Odin Technologies Ltd. | Yoked permanent magnet assemblies for use in medical applications |
US5900793A (en) * | 1997-07-23 | 1999-05-04 | Odin Technologies Ltd | Permanent magnet assemblies for use in medical applications |
DE69840444D1 (en) | 1997-05-23 | 2009-02-26 | Prorhythm Inc | DISMISSABLE FOCUSING ULTRASOUND APPLICATOR OF HIGH INTENSITY |
JP2002502648A (en) * | 1998-02-09 | 2002-01-29 | オーディン・メディカル・テクノロジーズ・リミテッド | Open magnets and methods for designing open magnetic devices for use in MRI or MRT probes |
US6281775B1 (en) * | 1998-09-01 | 2001-08-28 | Uri Rapoport | Permanent magnet arrangement with backing plate |
JP3702106B2 (en) | 1998-09-29 | 2005-10-05 | 株式会社東芝 | Magnetic resonance imaging system |
US6489872B1 (en) | 1999-05-06 | 2002-12-03 | New Mexico Resonance | Unilateral magnet having a remote uniform field region for nuclear magnetic resonance |
FR2795524B1 (en) * | 1999-06-23 | 2001-08-03 | Commissariat Energie Atomique | PORTABLE NMR MEASURING DEVICE |
US7313429B2 (en) | 2002-01-23 | 2007-12-25 | Stereotaxis, Inc. | Rotating and pivoting magnet for magnetic navigation |
US6975197B2 (en) * | 2002-01-23 | 2005-12-13 | Stereotaxis, Inc. | Rotating and pivoting magnet for magnetic navigation |
US7019610B2 (en) * | 2002-01-23 | 2006-03-28 | Stereotaxis, Inc. | Magnetic navigation system |
AU2001228228A1 (en) | 2000-01-19 | 2001-07-31 | Millennium Technology Inc. | C-shaped magnetic resonance imaging system |
US6467157B1 (en) * | 2000-01-26 | 2002-10-22 | Odin Technologies, Ltd. | Apparatus for construction of annular segmented permanent magnet |
US6488615B1 (en) | 2000-03-31 | 2002-12-03 | Ferx Incorporated | Permanent magnet keeper-shield assembly |
DE10046182C2 (en) * | 2000-09-19 | 2002-08-01 | Bruker Ag Faellanden | Magnet arrangement with a superconducting magnet coil system and a magnetic field shaping device and method for dimensioning |
US6670877B2 (en) * | 2001-01-25 | 2003-12-30 | Uri Rapoport | Field adjusting mechanisms and methods for permanent magnet arrangement with backplate |
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 |
US6717408B2 (en) | 2001-04-05 | 2004-04-06 | Intermagnetics General Corporation | Support structure for open MRI apparatus |
US7161453B2 (en) * | 2002-01-23 | 2007-01-09 | Stereotaxis, Inc. | Rotating and pivoting magnet for magnetic navigation |
NZ520114A (en) * | 2002-07-11 | 2004-11-26 | Victoria Link Ltd | an magnetic assembly for an NMR apparatus having an array of permanent magnets disposed about an axis |
WO2004036230A2 (en) * | 2002-10-21 | 2004-04-29 | Bbms Ltd. | Method and apparatus for magnetic resonance analysis |
US6892970B2 (en) | 2002-12-18 | 2005-05-17 | Robert Bosch Gmbh | Fuel injector having segmented metal core |
AU2003901696A0 (en) | 2003-04-09 | 2003-05-01 | Cochlear Limited | Implant magnet system |
US7423431B2 (en) * | 2003-09-29 | 2008-09-09 | General Electric Company | Multiple ring polefaceless permanent magnet and method of making |
US7148689B2 (en) * | 2003-09-29 | 2006-12-12 | General Electric Company | Permanent magnet assembly with movable permanent body for main magnetic field adjustable |
US7218195B2 (en) * | 2003-10-01 | 2007-05-15 | General Electric Company | Method and apparatus for magnetizing a permanent magnet |
US20080246573A1 (en) * | 2004-07-09 | 2008-10-09 | Souder James J | Field configurable magnetic array |
JP4871529B2 (en) * | 2005-05-25 | 2012-02-08 | 株式会社日立メディコ | Magnetic resonance imaging system |
US20070018764A1 (en) * | 2005-07-19 | 2007-01-25 | Analisi Tecnologica Innovadora Per A Processos | Device and method for separating magnetic particles |
US7495537B2 (en) * | 2005-08-10 | 2009-02-24 | Stereotaxis, Inc. | Method and apparatus for dynamic magnetic field control using multiple magnets |
US20070083237A1 (en) * | 2005-10-12 | 2007-04-12 | Teruel Elberto B | Magnetic therapeutic device and method of using the same |
CN100581454C (en) * | 2006-07-14 | 2010-01-20 | Ge医疗系统环球技术有限公司 | Magnetic field generator and MRI device |
SE531177C2 (en) | 2007-05-24 | 2009-01-13 | Cochlear Ltd | Distance for implants |
CN102317805A (en) * | 2008-12-12 | 2012-01-11 | 古鲁姆·泰克勒马林 | Magnetic field generator based on dual permanent magnet rings |
DE102009047525A1 (en) * | 2009-12-04 | 2011-06-09 | Robert Bosch Gmbh | Electromagnetically actuated valve |
DE102011088463A1 (en) * | 2011-06-29 | 2013-01-03 | Robert Bosch Gmbh | Component for a magnetic actuator and method for its production |
WO2015120113A1 (en) * | 2014-02-05 | 2015-08-13 | Weinberg Medical Physics Llc | Electromagnetic devices with integrated cooling |
CA2884097C (en) | 2014-03-13 | 2020-04-21 | LT Imaging Inc. | Magnetic resonance imaging (mri) system and method |
US10828414B2 (en) | 2015-02-17 | 2020-11-10 | The Regents Of The University Of California | Magnetic filtration devices and methods related thereto |
US10130807B2 (en) | 2015-06-12 | 2018-11-20 | Cochlear Limited | Magnet management MRI compatibility |
US20160381473A1 (en) | 2015-06-26 | 2016-12-29 | Johan Gustafsson | Magnetic retention device |
US10917730B2 (en) | 2015-09-14 | 2021-02-09 | Cochlear Limited | Retention magnet system for medical device |
US10576276B2 (en) | 2016-04-29 | 2020-03-03 | Cochlear Limited | Implanted magnet management in the face of external magnetic fields |
CN109983474A (en) | 2016-11-22 | 2019-07-05 | 海珀菲纳研究股份有限公司 | For the system and method detected automatically in magnetic resonance image |
US11595768B2 (en) | 2016-12-02 | 2023-02-28 | Cochlear Limited | Retention force increasing components |
EP3634235A4 (en) * | 2017-06-08 | 2020-06-24 | Weinberg Medical Physics, Inc. | Unilateral magnetic resonance imaging system with aperture for interventions and methodologies for operating same |
KR20210013563A (en) | 2018-05-21 | 2021-02-04 | 하이퍼파인 리서치, 인크. | B0 magnet methods and devices for magnetic resonance imaging system |
CN108917805B (en) * | 2018-08-08 | 2019-11-26 | 苏州博昇科技有限公司 | Electromagnetic ultrasonic wave double wave energy converter |
US11448715B2 (en) * | 2018-09-03 | 2022-09-20 | Singapore University Of Technology And Design | Permanent magnet system and method of forming thereof |
CN113366329A (en) | 2018-11-29 | 2021-09-07 | 爱普斯陶有限公司 | Lightweight asymmetric magnet array with mixed phase magnet rings |
CN113348372A (en) | 2018-11-29 | 2021-09-03 | 爱普斯陶有限公司 | Lightweight asymmetric magnet array with theta magnet ring |
AU2019387628A1 (en) | 2018-11-29 | 2021-07-22 | Epsitau Ltd. | Lightweight asymmetric magnet arrays |
WO2023279035A1 (en) * | 2021-06-30 | 2023-01-05 | Spscanco, Llc | Magnetic bio-therapy device and method |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5134374A (en) * | 1989-06-01 | 1992-07-28 | Applied Superconetics | Magnetic field control apparatus |
US5428292A (en) * | 1994-04-29 | 1995-06-27 | General Electric Company | Pancake MRI magnet with modified imaging volume |
US5570073A (en) * | 1994-07-13 | 1996-10-29 | Bruker Analytische Messtechnik Gmbh | NMR slice coil |
USH1615H (en) * | 1995-02-27 | 1996-12-03 | Leupold; Herbert A. | Magnetic fields for chiron wigglers |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4341220A (en) * | 1979-04-13 | 1982-07-27 | Pfizer Inc. | Stereotactic surgery apparatus and method |
US4608977A (en) * | 1979-08-29 | 1986-09-02 | Brown Russell A | System using computed tomography as for selective body treatment |
JPS62117541A (en) * | 1985-11-18 | 1987-05-29 | 株式会社東芝 | Magnetic resonance imaging apparatus |
US4829252A (en) * | 1987-10-28 | 1989-05-09 | The Regents Of The University Of California | MRI system with open access to patient image volume |
FR2665297B1 (en) * | 1990-07-30 | 1992-10-09 | Centre Nat Rech Scient | PERMANENT MAGNET FOR NUCLEAR MAGNETIC RESONANCE IMAGING INSTALLATION. |
US5304933A (en) * | 1991-08-01 | 1994-04-19 | General Electric Company | Surgical local gradient coil |
US5365927A (en) * | 1993-11-02 | 1994-11-22 | General Electric Company | Magnetic resonance imaging system with pointing device |
US5390673A (en) * | 1994-01-14 | 1995-02-21 | Cordata, Incorporated | Magnetic resonance imaging system |
US5410287A (en) * | 1994-04-05 | 1995-04-25 | General Electric Company | Open MRI magnet with uniform magnetic field |
US5696449A (en) * | 1996-06-03 | 1997-12-09 | General Electric Company | RF coil for open MR magnet |
US5900793A (en) * | 1997-07-23 | 1999-05-04 | Odin Technologies Ltd | Permanent magnet assemblies for use in medical applications |
US5677630A (en) * | 1996-10-21 | 1997-10-14 | General Electric Company | Planar superconducting MRI magnet |
-
1997
- 1997-07-23 US US08/898,773 patent/US5900793A/en not_active Expired - Lifetime
-
1998
- 1998-07-19 AU AU83551/98A patent/AU8355198A/en not_active Abandoned
- 1998-07-19 WO PCT/IL1998/000339 patent/WO1999005531A2/en not_active Application Discontinuation
- 1998-07-19 EP EP98933869A patent/EP1015905A2/en not_active Withdrawn
- 1998-07-19 JP JP2000504464A patent/JP2001511597A/en active Pending
-
1999
- 1999-03-10 US US09/266,073 patent/US6157281A/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5134374A (en) * | 1989-06-01 | 1992-07-28 | Applied Superconetics | Magnetic field control apparatus |
US5428292A (en) * | 1994-04-29 | 1995-06-27 | General Electric Company | Pancake MRI magnet with modified imaging volume |
US5570073A (en) * | 1994-07-13 | 1996-10-29 | Bruker Analytische Messtechnik Gmbh | NMR slice coil |
USH1615H (en) * | 1995-02-27 | 1996-12-03 | Leupold; Herbert A. | Magnetic fields for chiron wigglers |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6411187B1 (en) | 1997-07-23 | 2002-06-25 | Odin Medical Technologies, Ltd. | Adjustable hybrid magnetic apparatus |
US6600401B2 (en) | 1997-09-25 | 2003-07-29 | Odin Medical Technologies Ltd. | Magnetic apparatus for MRI |
WO2000016117A1 (en) * | 1998-09-11 | 2000-03-23 | Kruip, Marcel, Jan, Marie | Temperature control for permanent magnet system |
EP1169719A1 (en) * | 1999-03-24 | 2002-01-09 | Odin Medical Technologies Ltd. | Hybrid magnetic apparatus for use in medical applications |
EP1169719A4 (en) * | 1999-03-24 | 2006-04-19 | Odin Medical Technologies Ltd | Hybrid magnetic apparatus for use in medical applications |
WO2011023911A1 (en) | 2009-08-28 | 2011-03-03 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Cylindrical permanent magnet device generating a controlled magnetic field at a distance from the surface thereof |
FR2949602A1 (en) * | 2009-08-28 | 2011-03-04 | Commissariat Energie Atomique | CYLINDRICAL PERMANENT MAGNET DEVICE PRODUCING A MAGNETIC FIELD CONTROLLED AT A DISTANCE FROM ITS SURFACE |
US9128167B2 (en) | 2009-08-28 | 2015-09-08 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Cylindrical permanent magnet device generating a controlled magnetic field at a distance from the surface thereof |
JP2017527425A (en) * | 2014-09-05 | 2017-09-21 | ハイパーファイン リサーチ,インコーポレイテッド | Ferromagnetic enhancement for magnetic resonance imaging |
US11397233B2 (en) | 2014-09-05 | 2022-07-26 | Hyperfine Operations, Inc. | Ferromagnetic augmentation for magnetic resonance imaging |
US11366188B2 (en) | 2016-11-22 | 2022-06-21 | Hyperfine Operations, Inc. | Portable magnetic resonance imaging methods and apparatus |
US11841408B2 (en) | 2016-11-22 | 2023-12-12 | Hyperfine Operations, Inc. | Electromagnetic shielding for magnetic resonance imaging methods and apparatus |
Also Published As
Publication number | Publication date |
---|---|
AU8355198A (en) | 1999-02-16 |
US6157281A (en) | 2000-12-05 |
EP1015905A2 (en) | 2000-07-05 |
WO1999005531A3 (en) | 1999-04-08 |
JP2001511597A (en) | 2001-08-14 |
US5900793A (en) | 1999-05-04 |
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