BRPI1010188A2 - dispositivo de antena de recepção de rf para receber o sinais de rm em um sistema de formnaçãp de imagem e dispositivo de rm - Google Patents

dispositivo de antena de recepção de rf para receber o sinais de rm em um sistema de formnaçãp de imagem e dispositivo de rm

Info

Publication number
BRPI1010188A2
BRPI1010188A2 BRPI1010188A BRPI1010188A BRPI1010188A2 BR PI1010188 A2 BRPI1010188 A2 BR PI1010188A2 BR PI1010188 A BRPI1010188 A BR PI1010188A BR PI1010188 A BRPI1010188 A BR PI1010188A BR PI1010188 A2 BRPI1010188 A2 BR PI1010188A2
Authority
BR
Brazil
Prior art keywords
receiving
signals
image forming
forming system
antenna device
Prior art date
Application number
BRPI1010188A
Other languages
English (en)
Inventor
Filips Van Liere
Johannes Hendrik Den Boef
Lambertus De Vries
Marinus Johannes Adrianus Maria Van Helvoort
Original Assignee
Koninkl Philips Electronics 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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of BRPI1010188A2 publication Critical patent/BRPI1010188A2/pt
Publication of BRPI1010188A8 publication Critical patent/BRPI1010188A8/pt
Publication of BRPI1010188B1 publication Critical patent/BRPI1010188B1/pt

Links

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
    • G01R33/3642—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
    • G01R33/32—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
    • 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
    • G01R33/3692—Electrical details, e.g. matching or coupling of the coil to the receiver involving signal transmission without using electrically conductive connections, e.g. wireless communication or optical communication of the MR signal or an auxiliary signal other than the MR signal

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
BRPI1010188-8A 2009-07-03 2010-06-21 Dispositivo de antena de recepção de rf para receber o sinais de rm em um sistema de formação de de rm e dispositivo de rm BRPI1010188B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP09164554A EP2270529A1 (en) 2009-07-03 2009-07-03 Detunable RF reception antenna device
EP09164554.9 2009-07-03
PCT/IB2010/052795 WO2011001324A1 (en) 2009-07-03 2010-06-21 Detunable rf reception antenna device

Publications (3)

Publication Number Publication Date
BRPI1010188A2 true BRPI1010188A2 (pt) 2016-03-29
BRPI1010188A8 BRPI1010188A8 (pt) 2018-12-11
BRPI1010188B1 BRPI1010188B1 (pt) 2020-08-04

Family

ID=41404174

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1010188-8A BRPI1010188B1 (pt) 2009-07-03 2010-06-21 Dispositivo de antena de recepção de rf para receber o sinais de rm em um sistema de formação de de rm e dispositivo de rm

Country Status (6)

Country Link
US (1) US8754647B2 (pt)
EP (2) EP2270529A1 (pt)
CN (1) CN102472807B (pt)
BR (1) BRPI1010188B1 (pt)
RU (1) RU2532571C2 (pt)
WO (1) WO2011001324A1 (pt)

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US9632203B2 (en) * 2010-06-22 2017-04-25 Schlumberger Technology Corporation Non-resonant logging tools with H-bridge switching
DE102011086561B4 (de) 2011-11-17 2013-06-13 Siemens Aktiengesellschaft MRT-System, Empfangsvorrichtung für ein MRT-System sowie Verfahren zum Gewinnen eines MR-Signals in einem MRT-System
JP6073606B2 (ja) * 2012-09-03 2017-02-01 東芝メディカルシステムズ株式会社 磁気共鳴イメージング装置、及び、デジタル無線通信装置
EP2926156B1 (en) 2012-11-05 2020-12-09 Koninklijke Philips N.V. Transmit/receive switching circuitry with improved radio frequency isolation
JP6100105B2 (ja) * 2013-06-21 2017-03-22 東芝メディカルシステムズ株式会社 磁気共鳴イメージング装置
JP6386753B2 (ja) * 2014-03-07 2018-09-05 キヤノンメディカルシステムズ株式会社 磁気共鳴イメージング装置及び高周波コイル
CN103852794B (zh) * 2014-03-27 2017-01-25 吉林大学 烃类污染浅层地下水磁共振检测装置及检测方法
US9933501B2 (en) * 2014-08-04 2018-04-03 Quality Electrodynamics, Llc Magnetic resonance imaging (MRI) coil with integrated decoupling
DE102016202443B3 (de) * 2016-02-17 2017-05-18 Siemens Healthcare Gmbh Schaltungsanordnung, Gradientenverstärker und Verfahren zur Kompensation von Nichtlinearitäten einer Verstärker-Endstufe
US10690735B2 (en) * 2016-04-26 2020-06-23 Aivitae LLC Wireless detection coil system
KR101909070B1 (ko) * 2016-09-29 2018-12-10 삼성전자주식회사 Rf 수신 코일 및 이를 포함하는 국부 코일 장치
US10739422B2 (en) 2017-05-16 2020-08-11 Quality Electrodynamics, Llc Flexible coaxial magnetic resonance imaging (MRI) coil with integrated decoupling
US11221383B2 (en) * 2017-07-17 2022-01-11 Shanghai United Imaging Healthcare Co., Ltd. Non-resonant magnetic resonance coil and magnetic resonance imaging system using the same
EP3528000A1 (en) * 2018-02-15 2019-08-21 Koninklijke Philips N.V. Rf transmit system with switchable power supply device
EP3546971A1 (en) * 2018-03-29 2019-10-02 Koninklijke Philips N.V. Radio frequency (rf) antenna element with a (de)tuning system
CN112272777A (zh) * 2018-06-12 2021-01-26 皇家飞利浦有限公司 用于mr中的动态范围压缩的逆分散滤波器
EP4016103A1 (de) 2020-12-18 2022-06-22 Siemens Healthcare GmbH Magnetresonanztomograph und verfahren zum schnellen umschalten von tx nach rx

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JPH04224735A (ja) 1990-12-27 1992-08-14 Hitachi Medical Corp 磁気共鳴イメージング装置用高周波変調器
US5396251A (en) 1992-12-15 1995-03-07 Texas Instruments Deutschland Gmbh Electronic transponder tuning procedure
DE19635029C1 (de) * 1996-08-29 1998-02-19 Siemens Ag Lokalantenne für ein Magnetresonanzgerät
US6150816A (en) * 1997-02-25 2000-11-21 Advanced Imaging Research, Inc. Radio-frequency coil array for resonance analysis
DE19727524C1 (de) * 1997-06-30 1999-03-04 Siemens Ag Hochfrequenzempfangseinheit für ein Magnetresonanzgerät
WO2001075466A1 (en) * 2000-03-30 2001-10-11 Case Western Reserve University Wireless detuning of a resonant circuit in an mr imaging system
RU2192165C1 (ru) * 2000-10-19 2002-11-10 Архангельский Вячеслав Алексеевич Приемная радиочастотная катушка для магнитно-резонансной томографии голеностопа
US6552544B2 (en) 2001-04-05 2003-04-22 Varian, Inc. Detunable coil assembly and method of detuning RF coil for MRI
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WO2004089211A2 (en) * 2003-04-10 2004-10-21 Koninklijke Philips Electronics N.V. Wireless digital transmission of mr signals
DE602004032047D1 (de) * 2003-12-08 2011-05-12 Philips Intellectual Property Schaltungsanordnung zum verstimmen eines resonanzkreises einer mr-vorrichtung
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JP4740009B2 (ja) * 2006-03-28 2011-08-03 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 磁気共鳴撮像装置、ｒｆコイル及び磁気共鳴撮像装置の制御方法
CN101427146A (zh) * 2006-04-21 2009-05-06 皇家飞利浦电子股份有限公司 磁共振对磁化率引起的磁场梯度的确定
EP2030035A2 (en) 2006-05-30 2009-03-04 Philips Intellectual Property & Standards GmbH Detuning a radio-frequency coil
US20090278537A1 (en) * 2006-06-30 2009-11-12 Koninklijke Philips Electronics N. V. Radio-frequency surface coils comprising on-board digital receiver circuit
GB0618087D0 (en) 2006-09-14 2006-10-25 Imp Innovations Ltd Magnetic resonance systems
US8013609B2 (en) * 2006-12-21 2011-09-06 Koninklijke Philips Electronics N.V. Detuning circuit and detuning method for an MRI system
CN101688906B (zh) * 2007-06-19 2013-07-17 皇家飞利浦电子股份有限公司 核磁共振成像射频接收器
US8138762B2 (en) * 2009-08-24 2012-03-20 Imris Inc. Coil decoupling for an RF coil array
DE102011082256B3 (de) * 2011-09-07 2013-02-28 Siemens Aktiengesellschaft Verstimmungsvorrichtung für eine mehrere Spulenelemente umfassende Empfangsspule für eine Magnetresonanzeinrichtung und Magnetresonanzeinrichtung

Also Published As

Publication number Publication date
BRPI1010188A8 (pt) 2018-12-11
EP2449395B1 (en) 2013-08-14
BRPI1010188B1 (pt) 2020-08-04
CN102472807B (zh) 2015-04-08
CN102472807A (zh) 2012-05-23
WO2011001324A1 (en) 2011-01-06
EP2270529A1 (en) 2011-01-05
RU2532571C2 (ru) 2014-11-10
RU2012103613A (ru) 2013-08-10
EP2449395A1 (en) 2012-05-09
US8754647B2 (en) 2014-06-17
US20120098542A1 (en) 2012-04-26

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Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: KONINKLIJKE PHILIPS N.V. (NL)

B25G Requested change of headquarter approved

Owner name: KONINKLIJKE PHILIPS N.V. (NL)

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 04/08/2020, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 14A ANUIDADE.