CN103202695B - 核磁共振成像系统及其方法 - Google Patents
核磁共振成像系统及其方法 Download PDFInfo
- Publication number
- CN103202695B CN103202695B CN201310090452.9A CN201310090452A CN103202695B CN 103202695 B CN103202695 B CN 103202695B CN 201310090452 A CN201310090452 A CN 201310090452A CN 103202695 B CN103202695 B CN 103202695B
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- China
- Prior art keywords
- magnetic resonance
- nuclear magnetic
- main magnet
- resonance imaging
- radio
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- 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
- G01R33/30—Sample handling arrangements, e.g. sample cells, spinning mechanisms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
-
- 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
- G01R33/288—Provisions within MR facilities for enhancing safety during MR, e.g. reduction of the specific absorption rate [SAR], detection of ferromagnetic objects in the scanner room
-
- 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
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
- G01R33/34007—Manufacture of RF coils, e.g. using printed circuit board technology; additional hardware for providing mechanical support to the RF coil assembly or to part thereof, e.g. a support for moving the coil assembly relative to the remainder of the MR system
-
- 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
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
- G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised 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
-
- 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
- G01R33/3858—Manufacture and installation of gradient coils, means for providing mechanical support to parts of the gradient-coil assembly
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Radiology & Medical Imaging (AREA)
- High Energy & Nuclear Physics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
Description
Claims (4)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310090452.9A CN103202695B (zh) | 2013-03-20 | 2013-03-20 | 核磁共振成像系统及其方法 |
US14/778,432 US20160259018A1 (en) | 2013-03-20 | 2013-11-28 | Magnetic resonance imaging system and method |
PCT/CN2013/088061 WO2014146449A1 (zh) | 2013-03-20 | 2013-11-28 | 核磁共振成像系统及其方法 |
EP13879127.2A EP2977001A4 (en) | 2013-03-20 | 2013-11-28 | Nuclear magnetic resonance imaging system and method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310090452.9A CN103202695B (zh) | 2013-03-20 | 2013-03-20 | 核磁共振成像系统及其方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103202695A CN103202695A (zh) | 2013-07-17 |
CN103202695B true CN103202695B (zh) | 2015-02-18 |
Family
ID=48750266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310090452.9A Active CN103202695B (zh) | 2013-03-20 | 2013-03-20 | 核磁共振成像系统及其方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20160259018A1 (zh) |
EP (1) | EP2977001A4 (zh) |
CN (1) | CN103202695B (zh) |
WO (1) | WO2014146449A1 (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103202695B (zh) * | 2013-03-20 | 2015-02-18 | 江苏麦格思频仪器有限公司 | 核磁共振成像系统及其方法 |
CN107861078A (zh) * | 2017-12-15 | 2018-03-30 | 冯友珍 | 一种mri影像诊断系统 |
CN109009117B (zh) * | 2018-08-23 | 2023-11-10 | 宁波穿山甲机电有限公司 | 一种超低场磁共振成像系统 |
CN115792753A (zh) * | 2022-11-02 | 2023-03-14 | 江苏力磁医疗设备有限公司 | 一种用于磁共振婴幼儿头部线圈成像装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203220365U (zh) * | 2013-03-20 | 2013-10-02 | 江苏麦格思频仪器有限公司 | 核磁共振成像系统 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5066915A (en) * | 1989-06-28 | 1991-11-19 | Siemens-Asahi Medical System, Ltd. | RF coil positioning device for MRI |
FI86687C (fi) * | 1990-06-14 | 1992-10-12 | Instrumentarium Oy | Patientbaedd foer magnetavbildningsanordning |
US5304933A (en) * | 1991-08-01 | 1994-04-19 | General Electric Company | Surgical local gradient coil |
JPH08257007A (ja) * | 1995-03-23 | 1996-10-08 | Toshiba Corp | 磁気共鳴イメージング装置 |
US5585724A (en) * | 1995-06-12 | 1996-12-17 | Picker International, Inc. | Magnetic resonance gradient coils with interstitial gap |
DE19619471C1 (de) * | 1996-05-14 | 1997-10-16 | Siemens Ag | Kernspintomographiegerät mit Vorpolarisation |
JPH1033494A (ja) * | 1996-07-19 | 1998-02-10 | Shimadzu Corp | 磁気共鳴断層撮影装置 |
DE19741748A1 (de) * | 1997-09-22 | 1998-12-03 | Siemens Ag | Kernspinresonanzgerät |
US5952830A (en) * | 1997-12-22 | 1999-09-14 | Picker International, Inc. | Octapole magnetic resonance gradient coil system with elongate azimuthal gap |
US6023167A (en) * | 1998-01-26 | 2000-02-08 | Picker International, Inc. | Surface coils with integrated shims |
EP1262788B1 (de) * | 2001-05-30 | 2007-08-29 | Siemens Aktiengesellschaft | Magnetresonanzgerät mit einer verfahrbaren Gradientenspuleneinheit |
DE10229490B3 (de) * | 2002-07-01 | 2004-02-05 | Siemens Ag | Magnetresonanzgerät mit einer verfahrbaren Gradientenspuleneinheit |
JP4455187B2 (ja) * | 2004-06-30 | 2010-04-21 | 株式会社日立メディコ | 磁気共鳴イメージング装置用受信コイル装置及び磁気共鳴イメージング装置。 |
US7570056B2 (en) * | 2005-08-10 | 2009-08-04 | Kabushiki Kaisha Toshiba | Magnetic resonance imaging apparatus |
DE102006046287A1 (de) * | 2006-09-29 | 2008-04-03 | Siemens Ag | Felderzeugungseinheit einer kombinierten MR-PET-Anlage |
JP5546753B2 (ja) * | 2007-08-29 | 2014-07-09 | 株式会社東芝 | 磁気共鳴装置 |
DE102009020361B4 (de) * | 2009-05-07 | 2013-10-17 | Siemens Aktiengesellschaft | Lokales Gradientensystem zur Bildgebung der Brust mit planarer Anordnung |
CN101884533B (zh) * | 2009-05-15 | 2012-01-25 | 美时医疗技术(上海)有限公司 | 用于乳腺诊断的超导磁共振成像仪、其构造方法及用途 |
CN201438210U (zh) * | 2009-06-30 | 2010-04-14 | 西门子迈迪特(深圳)磁共振有限公司 | 梯度线圈 |
DE102009036939A1 (de) * | 2009-08-11 | 2011-02-24 | Siemens Aktiengesellschaft | Kopfspule für ein Magnetresonanztomographiegerät mit wechselbaren Bedienelementen |
US8981775B2 (en) * | 2009-09-17 | 2015-03-17 | Hitachi Medical Corporation | Magnetic resonance imaging apparatus and gradient magnetic field application method |
US20130131497A1 (en) * | 2011-11-22 | 2013-05-23 | General Electric Company | Platform, assembly, and method of positioning an rf coil |
US9304178B2 (en) * | 2012-05-21 | 2016-04-05 | General Electric Company | Systems and methods for coil arrangements in magnetic resonance imaging |
CN103202695B (zh) * | 2013-03-20 | 2015-02-18 | 江苏麦格思频仪器有限公司 | 核磁共振成像系统及其方法 |
-
2013
- 2013-03-20 CN CN201310090452.9A patent/CN103202695B/zh active Active
- 2013-11-28 US US14/778,432 patent/US20160259018A1/en not_active Abandoned
- 2013-11-28 WO PCT/CN2013/088061 patent/WO2014146449A1/zh active Application Filing
- 2013-11-28 EP EP13879127.2A patent/EP2977001A4/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203220365U (zh) * | 2013-03-20 | 2013-10-02 | 江苏麦格思频仪器有限公司 | 核磁共振成像系统 |
Also Published As
Publication number | Publication date |
---|---|
US20160259018A1 (en) | 2016-09-08 |
WO2014146449A1 (zh) | 2014-09-25 |
EP2977001A4 (en) | 2017-05-24 |
EP2977001A1 (en) | 2016-01-27 |
CN103202695A (zh) | 2013-07-17 |
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TR01 | Transfer of patent right |
Effective date of registration: 20210323 Address after: Room 220-55, 2 / F, science and innovation center, No.1 Xiankun Road, Jiangxinzhou street, Jianye District, Nanjing City, Jiangsu Province Patentee after: Nanjing Ciju Medical Technology Co.,Ltd. Address before: Room 9, no.299, Yuyang Road, Yushan Town, Kunshan, Suzhou, Jiangsu Province Patentee before: JIANGSU MAGSPIN INSTRUMENT Co.,Ltd. |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20221115 Address after: 215300 Room 299 Yuyang Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: JIANGSU MAGSPIN INSTRUMENT Co.,Ltd. Address before: Room 220-55, 2 / F, science and innovation center, No.1 Xiankun Road, Jiangxinzhou street, Jianye District, Nanjing City, Jiangsu Province Patentee before: Nanjing Ciju Medical Technology Co.,Ltd. |