CN109814053A - 用于磁共振成像的具有可拆卸搭接板的柔性射频线圈阵列 - Google Patents
用于磁共振成像的具有可拆卸搭接板的柔性射频线圈阵列 Download PDFInfo
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- CN109814053A CN109814053A CN201811391428.8A CN201811391428A CN109814053A CN 109814053 A CN109814053 A CN 109814053A CN 201811391428 A CN201811391428 A CN 201811391428A CN 109814053 A CN109814053 A CN 109814053A
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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
- G01R33/34084—Constructional details, e.g. resonators, specially adapted to MR implantable coils or coils being geometrically adaptable to the sample, e.g. flexible coils or coils comprising mutually movable parts
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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
- G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
- G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
- G01R33/3415—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils comprising arrays of sub-coils, i.e. phased-array coils with flexible receiver channels
-
- 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
- G01R33/3685—Means for reducing sheath currents, e.g. RF traps, baluns
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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
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/543—Control of the operation of the MR system, e.g. setting of acquisition parameters prior to or during MR data acquisition, dynamic shimming, use of one or more scout images for scan plane prescription
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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
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
- G01R33/5601—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution involving use of a contrast agent for contrast manipulation, e.g. a paramagnetic, super-paramagnetic, ferromagnetic or hyperpolarised contrast agent
-
- 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
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
- G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
-
- 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
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
- G01R33/567—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution gated by physiological signals, i.e. synchronization of acquired MR data with periodical motion of an object of interest, e.g. monitoring or triggering system for cardiac or respiratory gating
- G01R33/5673—Gating or triggering based on a physiological signal other than an MR signal, e.g. ECG gating or motion monitoring using optical systems for monitoring the motion of a fiducial marker
-
- 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
- G01R33/3642—Mutual coupling or decoupling of multiple coils, e.g. decoupling of a receive coil from a transmission coil, or intentional coupling of RF coils, e.g. for RF magnetic field amplification
- G01R33/365—Decoupling of multiple RF coils wherein the multiple RF coils have the same function in MR, e.g. decoupling of a receive coil from another receive coil in a receive coil array, decoupling of a transmission coil from another transmission coil in a transmission coil array
-
- 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
- G01R33/3642—Mutual coupling or decoupling of multiple coils, e.g. decoupling of a receive coil from a transmission coil, or intentional coupling of RF coils, e.g. for RF magnetic field amplification
- G01R33/3657—Decoupling of multiple RF coils wherein the multiple RF coils do not have the same function in MR, e.g. decoupling of a transmission coil from a receive coil
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- High Energy & Nuclear Physics (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Physiology (AREA)
- Cardiology (AREA)
- Power Engineering (AREA)
- Pulmonology (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US201762590234P | 2017-11-22 | 2017-11-22 | |
US62/590,234 | 2017-11-22 |
Publications (2)
Publication Number | Publication Date |
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CN109814053A true CN109814053A (zh) | 2019-05-28 |
CN109814053B CN109814053B (zh) | 2023-08-01 |
Family
ID=66532870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201811391428.8A Active CN109814053B (zh) | 2017-11-22 | 2018-11-21 | 用于磁共振成像的具有可拆卸搭接板的柔性射频线圈阵列 |
Country Status (2)
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US (1) | US10969447B2 (zh) |
CN (1) | CN109814053B (zh) |
Cited By (3)
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CN112147553A (zh) * | 2019-06-26 | 2020-12-29 | 通用电气公司 | 用于射频线圈组件的系统 |
CN112557976A (zh) * | 2019-09-26 | 2021-03-26 | 上海联影医疗科技股份有限公司 | 头颈线圈及磁共振系统 |
WO2023232000A1 (en) * | 2022-05-30 | 2023-12-07 | Shanghai United Imaging Healthcare Co., Ltd. | Systems and methods for interference signal collection and processing |
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US10921401B2 (en) | 2016-11-23 | 2021-02-16 | GE Precision Healthcare LLC | Anterior radio frequency (RF) coil array for a magnetic resonance imaging (MRI) system |
US11280858B2 (en) * | 2016-11-23 | 2022-03-22 | General Electric Company | Systems for a radio frequency coil for MR imaging |
KR102270520B1 (ko) | 2016-11-23 | 2021-06-30 | 제너럴 일렉트릭 캄파니 | 자기 공명 이미징(mri) 시스템을 위한 순응성 후방 무선 주파수(rf) 코일 어레이 |
US11061090B2 (en) * | 2017-11-08 | 2021-07-13 | Canon Medical Systems Corporation | Magnetic resonance imaging apparatus and RF coil |
US10921399B2 (en) * | 2017-11-22 | 2021-02-16 | GE Precision Healthcare LLC | Radio frequency (RF) coil array for a magnetic resonance imaging (MRI) system for use in interventional and surgical procedures |
US10983185B2 (en) * | 2017-11-22 | 2021-04-20 | General Electric Company | RF coil array for an MRI system |
US10969447B2 (en) * | 2017-11-22 | 2021-04-06 | General Electric Company | Flexible radio frequency coil array with detachable straps for MR imaging |
US11280859B2 (en) | 2018-05-31 | 2022-03-22 | General Electric Company | Method and systems for a radio frequency coil assembly |
US11307274B2 (en) | 2018-06-06 | 2022-04-19 | General Electric Company | Method and systems for a radio frequency coil assembly |
TW202015621A (zh) | 2018-07-19 | 2020-05-01 | 美商超精細研究股份有限公司 | 在磁共振成像中患者定位之方法及設備 |
US11204402B2 (en) * | 2019-03-12 | 2021-12-21 | Quality Electrodynamics, Llc | Minimizing coupling in multi-row cylindrical-shaped magnetic resonance imaging (MRI) radio frequency (RF) coil |
US11397229B2 (en) | 2019-03-14 | 2022-07-26 | Shanghai United Imaging Healthcare Co., Ltd. | Local coil apparatus for magnetic resonance imaging |
US10859648B2 (en) * | 2019-04-01 | 2020-12-08 | GE Precision Healthcare LLC | Systems and methods for a configurable radio frequency coil for MR imaging |
EP3808265B1 (en) * | 2019-10-16 | 2024-02-28 | Esaote S.p.A. | Patient support device, such as a patient bed, table or chair, for use with magnetic resonance imaging apparatuses |
AU2020371657A1 (en) | 2019-10-25 | 2022-05-19 | Hyperfine Operations, Inc. | Systems and methods for detecting patient motion during magnetic resonance imaging |
US11143723B2 (en) | 2020-01-08 | 2021-10-12 | Neocoil, Llc | Flexible local coil for magnetic resonance imaging |
CN116997807A (zh) * | 2021-01-15 | 2023-11-03 | 海珀菲纳运营有限公司 | 用于磁共振成像的柔性射频线圈设备和方法 |
EP4089430A1 (en) * | 2021-05-14 | 2022-11-16 | Koninklijke Philips N.V. | Magnetic resonance coil device comprising a flexible array with multiple magnetic resonance receive coils |
US11719775B1 (en) | 2022-01-28 | 2023-08-08 | GE Precision Healthcare LLC | RF receiver coil with equal perimeter loops |
WO2023215736A2 (en) * | 2022-05-02 | 2023-11-09 | The General Hospital Corporation | Systems and methods for electrophysiological signal recording and position or motion monitoring during magnetic resonance imaging |
CN115754856B (zh) * | 2022-12-12 | 2023-06-16 | 齐齐哈尔一脉阳光医学影像诊断中心有限公司 | 一种磁共振方便移动的线圈摆位装置 |
US20240230801A1 (en) * | 2023-01-09 | 2024-07-11 | GE Precision Healthcare LLC | Full body posterior coil for a magnetic resonance imaging system |
CN117647845B (zh) * | 2024-01-29 | 2024-04-23 | 中国科学院精密测量科学与技术创新研究院 | 一种用于冻土活动层监测的可折叠射频线圈装置 |
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US11280859B2 (en) * | 2018-05-31 | 2022-03-22 | General Electric Company | Method and systems for a radio frequency coil assembly |
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-
2018
- 2018-11-20 US US16/196,558 patent/US10969447B2/en active Active
- 2018-11-21 CN CN201811391428.8A patent/CN109814053B/zh active Active
Patent Citations (13)
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