CN107110932B - 低场磁共振成像方法和设备 - Google Patents
低场磁共振成像方法和设备 Download PDFInfo
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- CN107110932B CN107110932B CN201580054097.7A CN201580054097A CN107110932B CN 107110932 B CN107110932 B CN 107110932B CN 201580054097 A CN201580054097 A CN 201580054097A CN 107110932 B CN107110932 B CN 107110932B
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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
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/3804—Additional hardware for cooling or heating of the magnet assembly, for housing a cooled or heated part of the magnet assembly or for temperature control of the magnet assembly
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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
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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
- G01R33/32—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
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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
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
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- 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
- G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
- G01R33/3614—RF power amplifiers
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
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- 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
- G01R33/3802—Manufacture or installation of magnet assemblies; Additional hardware for transportation or installation of the magnet assembly or for providing mechanical support to components of the magnet assembly
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- G01—MEASURING; TESTING
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- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
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- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
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- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
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- G01R33/383—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using permanent magnets
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- G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
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- 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
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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- 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
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- 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
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
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- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
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- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/445—MR involving a non-standard magnetic field B0, e.g. of low magnitude as in the earth's magnetic field or in nanoTesla spectroscopy, comprising a polarizing magnetic field for pre-polarisation, B0 with a temporal variation of its magnitude or direction such as field cycling of B0 or rotation of the direction of B0, or spatially inhomogeneous B0 like in fringe-field MR or in stray-field imaging
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- G01R33/58—Calibration of imaging systems, e.g. using test probes, Phantoms; Calibration objects or fiducial markers such as active or passive RF coils surrounding an MR active material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Power Engineering (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Artificial Intelligence (AREA)
- Epidemiology (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Coils Or Transformers For Communication (AREA)
- Laminated Bodies (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Gas Separation By Absorption (AREA)
- Parts Printed On Printed Circuit Boards (AREA)
Abstract
Description
Claims (46)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010767527.2A CN112083365B (zh) | 2014-09-05 | 2015-09-04 | 低场磁共振成像方法和设备 |
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
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US201462046814P | 2014-09-05 | 2014-09-05 | |
US62/046,814 | 2014-09-05 | ||
US201562110049P | 2015-01-30 | 2015-01-30 | |
US62/110,049 | 2015-01-30 | ||
US201562111320P | 2015-02-03 | 2015-02-03 | |
US62/111,320 | 2015-02-03 | ||
US201562174666P | 2015-06-12 | 2015-06-12 | |
US62/174,666 | 2015-06-12 | ||
PCT/US2015/048470 WO2016037025A1 (en) | 2014-09-05 | 2015-09-04 | Low field magnetic resonance imaging methods and apparatus |
Related Child Applications (1)
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CN202010767527.2A Division CN112083365B (zh) | 2014-09-05 | 2015-09-04 | 低场磁共振成像方法和设备 |
Publications (2)
Publication Number | Publication Date |
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CN107110932A CN107110932A (zh) | 2017-08-29 |
CN107110932B true CN107110932B (zh) | 2020-09-01 |
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CN202010597758.3A Pending CN111896903A (zh) | 2014-09-05 | 2015-09-04 | 噪声抑制方法和设备 |
CN201580053879.9A Active CN107110930B (zh) | 2014-09-05 | 2015-09-04 | 噪声抑制方法和设备 |
CN202010843413.1A Active CN112098912B (zh) | 2014-09-05 | 2015-09-04 | 用于磁共振成像的铁磁增强***及提供该***的方法 |
CN201580054059.1A Active CN107110931B (zh) | 2014-09-05 | 2015-09-04 | 用于磁共振成像的铁磁增强***及提供该***的方法 |
CN201580054097.7A Active CN107110932B (zh) | 2014-09-05 | 2015-09-04 | 低场磁共振成像方法和设备 |
CN202010717926.8A Pending CN111983536A (zh) | 2014-09-05 | 2015-09-04 | 低场磁共振成像***的自动配置 |
CN202010767527.2A Active CN112083365B (zh) | 2014-09-05 | 2015-09-04 | 低场磁共振成像方法和设备 |
CN201580055003.8A Expired - Fee Related CN107110933B (zh) | 2014-09-05 | 2015-09-04 | 低场磁共振成像***的自动配置 |
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CN202010597758.3A Pending CN111896903A (zh) | 2014-09-05 | 2015-09-04 | 噪声抑制方法和设备 |
CN201580053879.9A Active CN107110930B (zh) | 2014-09-05 | 2015-09-04 | 噪声抑制方法和设备 |
CN202010843413.1A Active CN112098912B (zh) | 2014-09-05 | 2015-09-04 | 用于磁共振成像的铁磁增强***及提供该***的方法 |
CN201580054059.1A Active CN107110931B (zh) | 2014-09-05 | 2015-09-04 | 用于磁共振成像的铁磁增强***及提供该***的方法 |
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CN202010717926.8A Pending CN111983536A (zh) | 2014-09-05 | 2015-09-04 | 低场磁共振成像***的自动配置 |
CN202010767527.2A Active CN112083365B (zh) | 2014-09-05 | 2015-09-04 | 低场磁共振成像方法和设备 |
CN201580055003.8A Expired - Fee Related CN107110933B (zh) | 2014-09-05 | 2015-09-04 | 低场磁共振成像***的自动配置 |
Country Status (12)
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US (27) | US10768255B2 (zh) |
EP (5) | EP3189341A4 (zh) |
JP (9) | JP6761416B2 (zh) |
KR (4) | KR20170048560A (zh) |
CN (8) | CN111896903A (zh) |
AU (7) | AU2015311749B2 (zh) |
BR (4) | BR112017004336A2 (zh) |
CA (8) | CA2960194C (zh) |
IL (5) | IL250939B (zh) |
MX (4) | MX366786B (zh) |
TW (1) | TWI627428B (zh) |
WO (5) | WO2016037025A1 (zh) |
Families Citing this family (101)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101518751B1 (ko) * | 2013-11-21 | 2015-05-11 | 연세대학교 산학협력단 | 다중 대조도 자기공명영상에서 잡음 제거 방법 및 장치 |
US10768255B2 (en) * | 2014-09-05 | 2020-09-08 | Hyperfine Research, Inc. | Automatic configuration of a low field magnetic resonance imaging system |
WO2016077417A1 (en) | 2014-11-11 | 2016-05-19 | Hyperfine Research, Inc. | Low field magnetic resonance methods and apparatus |
EP3217872A4 (en) | 2014-11-11 | 2018-07-18 | Hyperfine Research, Inc. | Pulse sequences for low field magnetic resonance |
JP6800164B2 (ja) | 2015-04-13 | 2020-12-16 | ハイパーファイン リサーチ,インコーポレイテッド | 磁気コイル電力方法および装置 |
US10288711B1 (en) * | 2015-04-30 | 2019-05-14 | Life Services, LLC | Device and method for simultaneous TX/RX in strongly coupled MRI coil loops |
AU2016261914B2 (en) | 2015-05-12 | 2020-12-10 | Hyperfine Operations, Inc. | Radio frequency coil methods and apparatus |
WO2016184760A1 (en) * | 2015-05-15 | 2016-11-24 | Eidgenössische Technische Hochschule (ETH) | Active noise suppression for magnetic resonance based magnetic field probes |
WO2017009691A1 (en) * | 2015-07-16 | 2017-01-19 | Synaptive Medical (Barbados) Inc. | Systems and methods for adaptive multi-resolution magnetic resonance imaging |
CN106483483B (zh) * | 2015-08-27 | 2019-09-06 | 通用电气公司 | 梯度线圈及其制造方法 |
MX2018011524A (es) * | 2016-03-22 | 2019-07-04 | Hyperfine Res Inc | Métodos y aparato para adaptar campos magnéticos. |
WO2017223382A1 (en) | 2016-06-22 | 2017-12-28 | Viewray Technologies, Inc. | Magnetic resonance imaging at low field strength |
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