CN106572811B - 高频线圈以及磁共振成像装置 - Google Patents

高频线圈以及磁共振成像装置 Download PDF

Info

Publication number
CN106572811B
CN106572811B CN201580045289.1A CN201580045289A CN106572811B CN 106572811 B CN106572811 B CN 106572811B CN 201580045289 A CN201580045289 A CN 201580045289A CN 106572811 B CN106572811 B CN 106572811B
Authority
CN
China
Prior art keywords
coil
sub
loop
frequency
circuit
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
CN201580045289.1A
Other languages
English (en)
Chinese (zh)
Other versions
CN106572811A (zh
Inventor
大竹阳介
越智久晃
岩泽浩二郎
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.)
Fujifilm Corp
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of CN106572811A publication Critical patent/CN106572811A/zh
Application granted granted Critical
Publication of CN106572811B publication Critical patent/CN106572811B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • 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
    • G01R33/32—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
    • G01R33/34076—Birdcage 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
    • G01R33/32—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
    • G01R33/3628—Tuning/matching of the transmit/receive coil
    • G01R33/3635—Multi-frequency operation
    • 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
    • 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
    • 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
    • G01R33/3815—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using electromagnets with superconducting coils, e.g. power supply therefor
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Surgery (AREA)
  • Public Health (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Molecular Biology (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201580045289.1A 2014-09-05 2015-08-07 高频线圈以及磁共振成像装置 Active CN106572811B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2014181324A JP6153905B2 (ja) 2014-09-05 2014-09-05 高周波コイルおよび磁気共鳴撮像装置
JP2014-181324 2014-09-05
PCT/JP2015/072536 WO2016035510A1 (ja) 2014-09-05 2015-08-07 高周波コイルおよび磁気共鳴撮像装置

Publications (2)

Publication Number Publication Date
CN106572811A CN106572811A (zh) 2017-04-19
CN106572811B true CN106572811B (zh) 2020-06-30

Family

ID=55439578

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201580045289.1A Active CN106572811B (zh) 2014-09-05 2015-08-07 高频线圈以及磁共振成像装置

Country Status (4)

Country Link
US (1) US10641845B2 (enExample)
JP (1) JP6153905B2 (enExample)
CN (1) CN106572811B (enExample)
WO (1) WO2016035510A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6590736B2 (ja) * 2016-03-04 2019-10-16 株式会社日立製作所 高周波コイル及びそれを用いた磁気共鳴撮像装置
JP6600601B2 (ja) * 2016-06-16 2019-10-30 株式会社日立製作所 高周波アレイコイル及び磁気共鳴撮像装置
US10250078B2 (en) * 2016-10-18 2019-04-02 Robert A Moffatt Wireless power transfer to multiple receiver devices across a variable-sized area
DE102016225017A1 (de) * 2016-12-14 2018-06-14 Bruker Biospin Ag Magnetanordnung mit supraleitend geschlossenen HTS-Shims
EP3470864A1 (en) * 2017-10-12 2019-04-17 Koninklijke Philips N.V. Feeding a coil for magnetic resonance imaging
JP6886908B2 (ja) * 2017-11-01 2021-06-16 株式会社日立製作所 アレイコイル及び磁気共鳴撮像装置
US11555875B2 (en) 2021-03-24 2023-01-17 Coilone, LLC RF receive coil circuit for MRI systems
WO2025231639A1 (zh) * 2024-05-08 2025-11-13 中国科学院深圳先进技术研究院 一种磁共振头部功能检测射频线圈

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85103310A (zh) * 1985-05-13 1987-02-04 菲利浦光灯制造公司 用于高频的传输和测量线圈的mr设备
US5453692A (en) * 1992-08-06 1995-09-26 Hitachi, Ltd. RF probe for nuclear magnetic resonance imaging (MRI) devices
US5510714A (en) * 1991-08-09 1996-04-23 Hitachi, Ltd. Magnetic resonance imaging apparatus and RF coil employed therein
CN101166461A (zh) * 2005-04-25 2008-04-23 株式会社日立制作所 利用磁共振的检查装置及核磁共振信号接收用线圈
WO2011122084A1 (ja) * 2010-03-31 2011-10-06 株式会社 日立製作所 Ｒｆコイル及び磁気共鳴撮像装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4075552A (en) * 1975-04-24 1978-02-21 Traficante Daniel D Wide-band nuclear magnetic resonance spectrometer
WO2007001463A2 (en) * 2004-11-23 2007-01-04 M2M Imaging Corp. Bandwidth expansion in magnetic resonance
JP5063107B2 (ja) * 2006-12-28 2012-10-31 株式会社日立製作所 磁気共鳴検査装置
JP5207662B2 (ja) * 2007-05-31 2013-06-12 株式会社日立製作所 磁場コイル及び磁気共鳴撮像装置
US8169221B2 (en) * 2007-10-31 2012-05-01 Griswold Mark A Multi-frequency excitation coils for MRI
JP5247214B2 (ja) * 2008-04-04 2013-07-24 株式会社日立製作所 高周波磁場コイル及び磁気共鳴撮影装置
DE102015201462B3 (de) * 2015-01-28 2016-05-12 Siemens Aktiengesellschaft Hochfrequenz-Spuleneinheit für eine Magnetresonanz-Bildgebung
US10520564B2 (en) * 2015-08-27 2019-12-31 Hitachi, Ltd. High frequency coil and magnetic resonance imaging device
JP6590736B2 (ja) * 2016-03-04 2019-10-16 株式会社日立製作所 高周波コイル及びそれを用いた磁気共鳴撮像装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85103310A (zh) * 1985-05-13 1987-02-04 菲利浦光灯制造公司 用于高频的传输和测量线圈的mr设备
US5510714A (en) * 1991-08-09 1996-04-23 Hitachi, Ltd. Magnetic resonance imaging apparatus and RF coil employed therein
US5453692A (en) * 1992-08-06 1995-09-26 Hitachi, Ltd. RF probe for nuclear magnetic resonance imaging (MRI) devices
CN101166461A (zh) * 2005-04-25 2008-04-23 株式会社日立制作所 利用磁共振的检查装置及核磁共振信号接收用线圈
WO2011122084A1 (ja) * 2010-03-31 2011-10-06 株式会社 日立製作所 Ｒｆコイル及び磁気共鳴撮像装置

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
A Decoupling Technique for Increasing the Port Isolation Between Two Strongly Coupled Antennas;Shin-Chang Chen,et al;《IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION》;20081231;第56卷(第12期);第3650-3658页 *
Coupling and Decoupling Theory and Its Application to the MRI Phased Array;Ray F.Lee,et al;《Magnetic Resonance in Medicine》;20020731;第48卷(第1期);第203-213页 *

Also Published As

Publication number Publication date
JP6153905B2 (ja) 2017-06-28
JP2016054785A (ja) 2016-04-21
US10641845B2 (en) 2020-05-05
US20170254864A1 (en) 2017-09-07
WO2016035510A1 (ja) 2016-03-10
CN106572811A (zh) 2017-04-19

Similar Documents

Publication Publication Date Title
CN106572811B (zh) 高频线圈以及磁共振成像装置
JP5675921B2 (ja) 高周波コイルおよびそれを用いた磁気共鳴撮像装置
CN103492898B (zh) 用于mri的多通道rf体积共振器
JP6590736B2 (ja) 高周波コイル及びそれを用いた磁気共鳴撮像装置
JP5207662B2 (ja) 磁場コイル及び磁気共鳴撮像装置
CN103649767B (zh) 具有多通道阻抗匹配网络的磁共振成像系统
JP5705884B2 (ja) Ｒｆコイル及び磁気共鳴撮像装置
JP6461356B2 (ja) 高周波コイルおよび磁気共鳴撮像装置
JP6224304B2 (ja) 磁気共鳴撮像（ｍｒｉ）システムの受信セクション
US10132883B2 (en) Foldable coil array
CN103513200B (zh) 磁共振设备的未连接的发射/接收线圈的自动失谐
WO2010021222A1 (ja) 高周波コイル及び磁気共鳴撮像装置
JP6782562B2 (ja) 磁気共鳴画像化システムおよび方法
US6927575B2 (en) Surface coil decoupling means for MRI systems
JP2014525334A (ja) 雑音指数最小化のためのモードスプリッタ／コンバイナとｒｆコイルアレイにおけるパワーの制御
US8791696B2 (en) System and method providing preamplifier feedback for magnetic resonance imaging

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20211125

Address after: Chiba County, Japan

Patentee after: Fujifilm medical health Co.,Ltd.

Address before: Tokyo, Japan

Patentee before: Hitachi, Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20241028

Address after: Japan

Patentee after: FUJIFILM Corp.

Country or region after: Japan

Address before: Chiba County, Japan

Patentee before: Fujifilm medical health Co.,Ltd.

Country or region before: Japan