JP2017536920A5 - - Google Patents
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- JP2017536920A5 JP2017536920A5 JP2017530330A JP2017530330A JP2017536920A5 JP 2017536920 A5 JP2017536920 A5 JP 2017536920A5 JP 2017530330 A JP2017530330 A JP 2017530330A JP 2017530330 A JP2017530330 A JP 2017530330A JP 2017536920 A5 JP2017536920 A5 JP 2017536920A5
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- JP
- Japan
- Prior art keywords
- coil
- gradient
- magnetic field
- merit
- pulse
- 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.)
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Links
- 230000005291 magnetic effect Effects 0.000 description 113
- 238000002595 magnetic resonance imaging Methods 0.000 description 33
- 230000006870 function Effects 0.000 description 31
- 238000000034 method Methods 0.000 description 22
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 20
- 238000004804 winding Methods 0.000 description 18
- 230000003068 static effect Effects 0.000 description 16
- 238000010586 diagram Methods 0.000 description 12
- 238000012937 correction Methods 0.000 description 10
- 238000012545 processing Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000013421 nuclear magnetic resonance imaging Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 5
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
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- 230000007246 mechanism Effects 0.000 description 4
- 239000013598 vector Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
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- 238000001514 detection method Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
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- 238000002059 diagnostic imaging Methods 0.000 description 1
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- 238000000264 spin echo pulse sequence Methods 0.000 description 1
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Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CA2014/000873 WO2016090453A1 (en) | 2014-12-09 | 2014-12-09 | System and method for electromagnet coil construction |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2017536920A JP2017536920A (ja) | 2017-12-14 |
| JP2017536920A5 true JP2017536920A5 (enExample) | 2018-02-01 |
| JP6687620B2 JP6687620B2 (ja) | 2020-04-22 |
Family
ID=56106336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017530330A Active JP6687620B2 (ja) | 2014-12-09 | 2014-12-09 | 電磁コイルの構築のためのシステム及び方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US10024936B2 (enExample) |
| EP (1) | EP3230757B1 (enExample) |
| JP (1) | JP6687620B2 (enExample) |
| CN (1) | CN107110929B (enExample) |
| CA (1) | CA2968903C (enExample) |
| WO (1) | WO2016090453A1 (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2968903C (en) * | 2014-12-09 | 2018-07-31 | Synaptive Medical (Barbados) Inc. | System and method for electromagnet coil construction |
| WO2016090454A1 (en) * | 2014-12-09 | 2016-06-16 | Synaptive Medical (Barbados) Inc. | System and method for electromagnet coil construction and operation |
| CA3089872C (en) | 2019-08-12 | 2024-01-02 | Synaptive Medical Inc. | System and method for optimizing discrete wire positions used in gradient coil electromagnetic design |
| US11662405B2 (en) | 2019-08-12 | 2023-05-30 | Synaptive Medical Inc. | System and method of coil design to reduce magnetic coupling |
| GB201913549D0 (en) * | 2019-09-19 | 2019-11-06 | Univ Nottingham | Magnetic shield |
| CN111707979B (zh) * | 2020-06-28 | 2022-09-16 | 深圳航天科技创新研究院 | 基于逆向表面边界单元法的磁共振头部射频线圈设计方法 |
| EP4329602B1 (en) * | 2021-08-06 | 2025-09-24 | Shanghai United Imaging Healthcare Co., Ltd. | Magnetic resonance imaging systems and components thereof |
| CN115718273B (zh) * | 2022-11-18 | 2024-04-19 | 华中科技大学 | 一种基于磁感应强度测量物体磁化率的装置及其测量方法 |
| CN120072458B (zh) * | 2025-04-27 | 2025-09-09 | 华中科技大学 | 一种指纹形矢量磁体 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5545996A (en) * | 1994-03-15 | 1996-08-13 | Picker International, Inc. | Gradient coil with cancelled net thrust force |
| DE4422782C2 (de) * | 1994-06-29 | 1998-02-19 | Siemens Ag | Aktiv geschirmte transversale Gradientenspule für Kernspintomographiegeräte |
| US6278275B1 (en) * | 1999-10-18 | 2001-08-21 | Picker International, Inc. | Gradient coil set with non-zero first gradient field vector derivative |
| US6278276B1 (en) * | 1999-11-16 | 2001-08-21 | Picker International, Inc. | Phased array gradient coil set with an off center gradient field sweet spot |
| JP3910517B2 (ja) | 2002-10-07 | 2007-04-25 | シャープ株式会社 | Ｌｅｄデバイス |
| AU2003274486A1 (en) * | 2002-11-15 | 2004-06-15 | Koninklijke Philips Electronics N.V. | Mri system having a gradient magnet system with a balance member |
| CN1714300A (zh) * | 2002-11-20 | 2005-12-28 | 皇家飞利浦电子股份有限公司 | 用于磁共振成像的自屏蔽梯度场线圈 |
| US7196603B2 (en) * | 2003-04-18 | 2007-03-27 | Board Of Regents, The University Of Texas System | Magnetic coil design using optimization of sinusoidal coefficients |
| US6982552B2 (en) * | 2003-05-27 | 2006-01-03 | General Electric Company | Methods and systems for fabricating magnetic resonance gradient coils |
| GB2408345B (en) * | 2003-11-18 | 2006-09-13 | Univ Queensland | Bi-planar coil assemblies for producing specified magnetic fields |
| EP2030036A2 (en) * | 2006-05-25 | 2009-03-04 | Koninklijke Philips Electronics N.V. | Three-dimensional asymmetric transverse gradient coils |
| GB2448479B (en) * | 2007-04-18 | 2009-06-03 | Siemens Magnet Technology Ltd | Improved shim for imaging magnets |
| US7482809B1 (en) * | 2007-07-18 | 2009-01-27 | Hitachi Medical Systems America, Inc. | Method of optimized gradient coil design |
| EP2244095B1 (en) * | 2009-04-20 | 2012-02-15 | Albert-Ludwigs-Universität Freiburg | Design of an MRI gradient coil |
| US7932722B2 (en) * | 2009-04-27 | 2011-04-26 | General Electric Company | Transversely folded gradient coil |
| EP2388610A1 (en) * | 2010-05-20 | 2011-11-23 | Koninklijke Philips Electronics N.V. | Magnetic Resonance Imaging Gradient Coil, Magnet Assembly, and System |
| CA2968903C (en) * | 2014-12-09 | 2018-07-31 | Synaptive Medical (Barbados) Inc. | System and method for electromagnet coil construction |
-
2014
- 2014-12-09 CA CA2968903A patent/CA2968903C/en active Active
- 2014-12-09 JP JP2017530330A patent/JP6687620B2/ja active Active
- 2014-12-09 US US15/526,903 patent/US10024936B2/en active Active
- 2014-12-09 EP EP14908046.7A patent/EP3230757B1/en active Active
- 2014-12-09 WO PCT/CA2014/000873 patent/WO2016090453A1/en not_active Ceased
- 2014-12-09 CN CN201480084377.8A patent/CN107110929B/zh active Active
-
2018
- 2018-06-19 US US16/012,496 patent/US10451693B2/en active Active
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