CA2968903C - System and method for electromagnet coil construction - Google Patents

System and method for electromagnet coil construction Download PDF

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Publication number
CA2968903C
CA2968903C CA2968903A CA2968903A CA2968903C CA 2968903 C CA2968903 C CA 2968903C CA 2968903 A CA2968903 A CA 2968903A CA 2968903 A CA2968903 A CA 2968903A CA 2968903 C CA2968903 C CA 2968903C
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CA
Canada
Prior art keywords
coils
metric
magnetic field
performance
coil
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.)
Active
Application number
CA2968903A
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English (en)
French (fr)
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CA2968903A1 (en
Inventor
Geron BINDSEIL
Chad Tyler HARRIS
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Synaptive Medical Inc
Original Assignee
Synaptive Medical Barbados Inc
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 Synaptive Medical Barbados Inc filed Critical Synaptive Medical Barbados Inc
Publication of CA2968903A1 publication Critical patent/CA2968903A1/en
Application granted granted Critical
Publication of CA2968903C publication Critical patent/CA2968903C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G01R33/381—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
    • G01R33/0052—Manufacturing aspects; Manufacturing of single devices, i.e. of semiconductor magnetic sensor chips
    • 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
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
    • 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
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • G01R33/3854—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils means for active and/or passive vibration damping or acoustical noise suppression in gradient magnet coil systems
    • 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
    • G01R33/387—Compensation of inhomogeneities
    • G01R33/3875—Compensation of inhomogeneities using correction coil assemblies, e.g. active shimming

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Electromagnetism (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CA2968903A 2014-12-09 2014-12-09 System and method for electromagnet coil construction Active CA2968903C (en)

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 (2)

Publication Number Publication Date
CA2968903A1 CA2968903A1 (en) 2016-06-16
CA2968903C true CA2968903C (en) 2018-07-31

Family

ID=56106336

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2968903A Active CA2968903C (en) 2014-12-09 2014-12-09 System and method for electromagnet coil construction

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)

* Cited by examiner, † Cited by third party
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
CA3089764A1 (en) 2019-08-12 2021-02-12 Synaptive Medical (Barbados) Inc. System and method of coil design to reduce magnetic coupling
GB2591313B (en) * 2019-08-12 2024-04-24 Synaptive Medical Inc System and method for optimizing discrete wire positions used in gradient coil electromagnetic design
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
WO2023011128A1 (en) 2021-08-06 2023-02-09 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)

* Cited by examiner, † Cited by third party
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
EP1576383B1 (en) * 2002-11-15 2007-11-21 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
US20100060282A1 (en) * 2006-05-25 2010-03-11 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

Also Published As

Publication number Publication date
CA2968903A1 (en) 2016-06-16
JP6687620B2 (ja) 2020-04-22
US10024936B2 (en) 2018-07-17
US20170356971A1 (en) 2017-12-14
CN107110929A (zh) 2017-08-29
WO2016090453A1 (en) 2016-06-16
EP3230757A1 (en) 2017-10-18
EP3230757B1 (en) 2025-08-06
EP3230757A4 (en) 2019-01-02
US10451693B2 (en) 2019-10-22
CN107110929B (zh) 2019-08-16
US20180299523A1 (en) 2018-10-18
JP2017536920A (ja) 2017-12-14

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Effective date: 20170525