BRPI1010188A8 - dispositivo de antena de recepção de rf para receber o sinais de rm em um sistema de formação 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 formação de imagem e dispositivo de rmInfo
- Publication number
- BRPI1010188A8 BRPI1010188A8 BRPI1010188A BRPI1010188A BRPI1010188A8 BR PI1010188 A8 BRPI1010188 A8 BR PI1010188A8 BR PI1010188 A BRPI1010188 A BR PI1010188A BR PI1010188 A BRPI1010188 A BR PI1010188A BR PI1010188 A8 BRPI1010188 A8 BR PI1010188A8
- Authority
- BR
- Brazil
- Prior art keywords
- receiving
- signals
- imaging system
- antenna device
- receiving antenna
- Prior art date
Links
- 238000003384 imaging method Methods 0.000 title 1
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)
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 BRPI1010188A2 (pt) | 2016-03-29 |
BRPI1010188A8 true 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) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US10094895B2 (en) | 2012-11-05 | 2018-10-09 | 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 |
JP7209020B2 (ja) * | 2018-06-12 | 2023-01-19 | コーニンクレッカ フィリップス エヌ ヴェ | Mrにおけるダイナミックレンジ圧縮のための逆分散フィルタ |
EP4016103A1 (de) * | 2020-12-18 | 2022-06-22 | Siemens Healthcare GmbH | Magnetresonanztomograph und verfahren zum schnellen umschalten von tx nach rx |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4975644A (en) * | 1989-03-29 | 1990-12-04 | Kabushiki Kaisha Toshiba | Coil system for a magnetic resonance imaging system |
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 |
WO1998037438A1 (en) * | 1997-02-25 | 1998-08-27 | 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 |
US6850067B1 (en) | 2002-05-17 | 2005-02-01 | General Electric Company | Transmit mode coil detuning for MRI systems |
WO2004089211A2 (en) * | 2003-04-10 | 2004-10-21 | Koninklijke Philips Electronics N.V. | Wireless digital transmission of mr signals |
CN1890577B (zh) * | 2003-12-08 | 2010-05-12 | 皇家飞利浦电子股份有限公司 | 用于去调谐mr设备的谐振电路的电路装置 |
CN101088021B (zh) * | 2004-12-21 | 2010-06-16 | 皇家飞利浦电子股份有限公司 | 磁共振设备和方法 |
JP2008543483A (ja) * | 2005-06-24 | 2008-12-04 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 同時多核磁気共鳴撮像 |
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 |
WO2007138547A2 (en) | 2006-05-30 | 2007-12-06 | Philips Intellectual Property & Standards Gmbh | Detuning a radio-frequency coil |
EP2038672A1 (en) * | 2006-06-30 | 2009-03-25 | 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 |
-
2009
- 2009-07-03 EP EP09164554A patent/EP2270529A1/en not_active Ceased
-
2010
- 2010-06-21 CN CN201080029539.XA patent/CN102472807B/zh not_active Expired - Fee Related
- 2010-06-21 BR BRPI1010188-8A patent/BRPI1010188B1/pt not_active IP Right Cessation
- 2010-06-21 WO PCT/IB2010/052795 patent/WO2011001324A1/en active Application Filing
- 2010-06-21 US US13/379,665 patent/US8754647B2/en active Active
- 2010-06-21 EP EP10730247.3A patent/EP2449395B1/en not_active Not-in-force
- 2010-06-21 RU RU2012103613/28A patent/RU2532571C2/ru active
Also Published As
Publication number | Publication date |
---|---|
WO2011001324A1 (en) | 2011-01-06 |
EP2449395B1 (en) | 2013-08-14 |
RU2532571C2 (ru) | 2014-11-10 |
CN102472807B (zh) | 2015-04-08 |
RU2012103613A (ru) | 2013-08-10 |
BRPI1010188A2 (pt) | 2016-03-29 |
US8754647B2 (en) | 2014-06-17 |
BRPI1010188B1 (pt) | 2020-08-04 |
US20120098542A1 (en) | 2012-04-26 |
EP2270529A1 (en) | 2011-01-05 |
EP2449395A1 (en) | 2012-05-09 |
CN102472807A (zh) | 2012-05-23 |
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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. |