CN109073717B - 具有用于磁共振成像装置的可选驱动端口的rf发射系统 - Google Patents

具有用于磁共振成像装置的可选驱动端口的rf发射系统 Download PDF

Info

Publication number
CN109073717B
CN109073717B CN201780029567.3A CN201780029567A CN109073717B CN 109073717 B CN109073717 B CN 109073717B CN 201780029567 A CN201780029567 A CN 201780029567A CN 109073717 B CN109073717 B CN 109073717B
Authority
CN
China
Prior art keywords
radio frequency
drive
drive ports
pair
ports
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
CN201780029567.3A
Other languages
English (en)
Chinese (zh)
Other versions
CN109073717A (zh
Inventor
O·利普斯
P·韦尔尼科尔
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips NV
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 Koninklijke Philips NV filed Critical Koninklijke Philips NV
Publication of CN109073717A publication Critical patent/CN109073717A/zh
Application granted granted Critical
Publication of CN109073717B publication Critical patent/CN109073717B/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
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3664—Switching for purposes other than coil coupling or decoupling, e.g. switching between a phased array mode and a quadrature mode, switching between surface coil modes of different geometrical shapes, switching from a whole body reception coil to a local reception coil or switching for automatic coil selection in moving table MR or for changing the field-of-view
    • 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
    • G01R33/345—Constructional details, e.g. resonators, specially adapted to MR of waveguide type
    • G01R33/3453—Transverse electromagnetic [TEM] 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
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3678—Electrical details, e.g. matching or coupling of the coil to the receiver involving quadrature drive or detection, e.g. a circularly polarized RF magnetic field

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CN201780029567.3A 2016-04-04 2017-04-04 具有用于磁共振成像装置的可选驱动端口的rf发射系统 Active CN109073717B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP16163738 2016-04-04
EP16163738.4 2016-04-04
PCT/EP2017/057937 WO2017174552A1 (en) 2016-04-04 2017-04-04 Rf transmit system with selectable drive ports for magnetic resonance imaging apparatuses

Publications (2)

Publication Number Publication Date
CN109073717A CN109073717A (zh) 2018-12-21
CN109073717B true CN109073717B (zh) 2021-03-23

Family

ID=55650358

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201780029567.3A Active CN109073717B (zh) 2016-04-04 2017-04-04 具有用于磁共振成像装置的可选驱动端口的rf发射系统

Country Status (5)

Country Link
US (1) US10705167B2 (enExample)
EP (1) EP3440475B1 (enExample)
JP (1) JP7126452B2 (enExample)
CN (1) CN109073717B (enExample)
WO (1) WO2017174552A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3470864A1 (en) * 2017-10-12 2019-04-17 Koninklijke Philips N.V. Feeding a coil for magnetic resonance imaging
US11061090B2 (en) * 2017-11-08 2021-07-13 Canon Medical Systems Corporation Magnetic resonance imaging apparatus and RF coil
EP3511727A1 (en) * 2018-01-11 2019-07-17 Koninklijke Philips N.V. Active b1+ shimming of transmission coils
CN109696642B (zh) * 2018-12-29 2024-06-04 佛山瑞加图医疗科技有限公司 射频线圈装置及磁共振成像系统
JP7021657B2 (ja) * 2019-03-22 2022-02-17 オムロン株式会社 Ｒｆタグ
US11592504B2 (en) * 2020-03-26 2023-02-28 Quality Electrodynamics, Llc MRI coil with a RF shield for radiation or x-ray applications

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5765764A (en) * 1994-03-21 1998-06-16 Barbic; Lenart Method and apparatus for controlling the grinding of mineral raw materials
WO2007028158A2 (en) * 2005-09-02 2007-03-08 Lightridge Resources Llc Energy and chemical species utility management system
CN103282789A (zh) * 2011-01-06 2013-09-04 皇家飞利浦电子股份有限公司 多通道发射mr成像
CN104243721A (zh) * 2013-06-24 2014-12-24 联发科技股份有限公司 无线通信电路及其阻抗调整方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3469651B2 (ja) * 1994-09-20 2003-11-25 ジーイー横河メディカルシステム株式会社 Ｍｒｉ用体腔内コイルおよびｍｒｉ装置
CN101427150B (zh) * 2006-04-24 2012-09-05 皇家飞利浦电子股份有限公司 多元件rf线圈的去耦系统以及方法
US7525313B2 (en) * 2007-05-04 2009-04-28 General Electric Company System and method for multi-channel MR transmission
CN101675351A (zh) * 2007-05-04 2010-03-17 皇家飞利浦电子股份有限公司 用于生成rf场的方法和多通道rf发射器布置
DE102007024824B3 (de) 2007-05-29 2009-02-26 Siemens Ag Anordnung zur Ansteuerung einer Antennenanordnung und Einrichtung zur Signalaufteilung zur Ansteuerung einer Antennenanordnung
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
US8030920B2 (en) * 2009-06-03 2011-10-04 General Electric Company Method and system for modifying pulse sequences
CN103492898B (zh) * 2011-04-21 2016-09-07 皇家飞利浦有限公司 用于mri的多通道rf体积共振器
JP6220384B2 (ja) 2012-05-14 2017-10-25 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． 磁気共鳴コイル系の複数のコイル要素に無線周波数信号を供給する給電回路装置
US9373960B2 (en) * 2013-03-13 2016-06-21 Oracle International Corporation Computerized system and method for distributed energy resource scheduling

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5765764A (en) * 1994-03-21 1998-06-16 Barbic; Lenart Method and apparatus for controlling the grinding of mineral raw materials
WO2007028158A2 (en) * 2005-09-02 2007-03-08 Lightridge Resources Llc Energy and chemical species utility management system
CN103282789A (zh) * 2011-01-06 2013-09-04 皇家飞利浦电子股份有限公司 多通道发射mr成像
CN104243721A (zh) * 2013-06-24 2014-12-24 联发科技股份有限公司 无线通信电路及其阻抗调整方法

Also Published As

Publication number Publication date
EP3440475B1 (en) 2022-06-08
US10705167B2 (en) 2020-07-07
JP7126452B2 (ja) 2022-08-26
JP2019513451A (ja) 2019-05-30
US20190113586A1 (en) 2019-04-18
WO2017174552A1 (en) 2017-10-12
EP3440475A1 (en) 2019-02-13
CN109073717A (zh) 2018-12-21

Similar Documents

Publication Publication Date Title
CN109073717B (zh) 具有用于磁共振成像装置的可选驱动端口的rf发射系统
US9535142B2 (en) Multichannel RF volume resonator for MRI
JP6640845B2 (ja) 励起分布ｍｒｉバードケージコイル
US9229076B2 (en) Decoupling of multiple channels of an MRI RF coil array
US10060994B2 (en) Z-segmented radio frequency antenna device for magnetic resonance imaging
CN102356330A (zh) 用于磁共振系统的等轴匀场线圈
US10557900B2 (en) Body coil having a pre-amplification unit configured to provide a detuning effect
US11112471B2 (en) Inductively feeding an RF coil for magnetic resonance imaging
JP2020501636A (ja) 核磁気共鳴法によって画像を撮影するためのダイポールアンテナ装置
US10365336B2 (en) Continuously digitally adjustable phase actuator
KR20210068998A (ko) 고주파 몸통 코일의 자장 균일도 및 효율 향상을 위한 타원형의 새장 몸통 형상을 갖는 자기공명영상 획득 장치
JP2022546633A (ja) 複数の独立送受信チャネルを有する磁気共鳴ボリュームコイル
JPH11309128A (ja) 磁気共鳴イメージング装置

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