IL126959A0 - Antenna system for nmr and mri apparatus - Google Patents
Antenna system for nmr and mri apparatusInfo
- Publication number
- IL126959A0 IL126959A0 IL12695997A IL12695997A IL126959A0 IL 126959 A0 IL126959 A0 IL 126959A0 IL 12695997 A IL12695997 A IL 12695997A IL 12695997 A IL12695997 A IL 12695997A IL 126959 A0 IL126959 A0 IL 126959A0
- Authority
- IL
- Israel
- Prior art keywords
- nmr
- antenna system
- mri apparatus
- mri
- antenna
- Prior art date
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
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 |
---|---|---|---|
US65676696A | 1996-06-03 | 1996-06-03 | |
US78259297A | 1997-01-13 | 1997-01-13 | |
PCT/US1997/009420 WO1997046895A1 (en) | 1996-06-03 | 1997-05-29 | Antenna system for nmr and mri apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
IL126959A0 true IL126959A0 (en) | 1999-09-22 |
Family
ID=27097262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL12695997A IL126959A0 (en) | 1996-06-03 | 1997-05-29 | Antenna system for nmr and mri apparatus |
Country Status (8)
Country | Link |
---|---|
US (1) | US5903150A (pt) |
JP (1) | JP2000514670A (pt) |
CN (1) | CN1135400C (pt) |
AU (1) | AU3151997A (pt) |
BR (1) | BR9709291A (pt) |
GB (1) | GB2331587B (pt) |
IL (1) | IL126959A0 (pt) |
WO (1) | WO1997046895A1 (pt) |
Families Citing this family (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5939883A (en) * | 1996-07-17 | 1999-08-17 | Fonar Corporation | Magnetic resonance imaging excitation and reception methods and apparatus |
AU5586000A (en) * | 1999-02-22 | 2000-09-14 | Paul Bryant | Programmable active microwave ultrafine resonance spectrometer (pamurs) method and systems |
US6414488B1 (en) * | 2000-03-01 | 2002-07-02 | Koninklijke Philips Electronics N.V. | Method and apparatus for decoupling magnetic resonance receive coils |
US20030169169A1 (en) * | 2000-08-17 | 2003-09-11 | Luc Wuidart | Antenna generating an electromagnetic field for transponder |
US6552544B2 (en) * | 2001-04-05 | 2003-04-22 | Varian, Inc. | Detunable coil assembly and method of detuning RF coil for MRI |
DE10126338A1 (de) * | 2001-05-30 | 2002-12-12 | Siemens Ag | Hochfrequenz-Spulenanordnung für ein Kernspintomographie-Gerät und Kernspintomorgraphie-Gerät |
US6825664B2 (en) * | 2002-04-05 | 2004-11-30 | University Of Rochester | Cryogenically cooled phased array RF receiver coil for magnetic resonance imaging |
GB0209756D0 (en) | 2002-04-29 | 2002-06-05 | Imp College Innovations Ltd | Magnetic resonance imaging receive circuit |
DE10244173B4 (de) * | 2002-09-23 | 2005-11-03 | Siemens Ag | Antennenanordnung für ein Magnetresonanzgerät, Magnetresonanz-Antennensystem, Magnetresonanzgerät sowie Verfahren zur Verkopplung zweier Antennengruppen |
DE10314215B4 (de) * | 2003-03-28 | 2006-11-16 | Siemens Ag | Magnetresonanzantenne und Verfahren zur Verstimmung deren Eigenresonanzfrequenz |
US7898252B2 (en) * | 2005-03-10 | 2011-03-01 | University Of Queensland | Phased array coil for MRI |
DE102006029195A1 (de) * | 2006-06-26 | 2008-01-03 | Siemens Audiologische Technik Gmbh | Sende-Empfangsschaltung mit PIN-Dioden |
CN100495074C (zh) * | 2006-10-08 | 2009-06-03 | 吉林大学 | 核磁共振与瞬变电磁联用仪及其方法 |
DE102006050069B4 (de) * | 2006-10-24 | 2011-07-07 | Siemens AG, 80333 | Birdcage-Resonator mit Koppelringen zusätzlich zu den Endringen |
US9784805B2 (en) * | 2007-06-19 | 2017-10-10 | Koninklijke Philips N.V. | MRI radio frequency receiver comprising digital down converter with connector that passes analog signal being contained within radio frequency receiver coil unit |
DE102007047020B4 (de) * | 2007-10-01 | 2012-07-12 | Siemens Ag | Anordnung zur Übertragung von Magnetresonanzsignalen |
US9341689B2 (en) * | 2009-04-02 | 2016-05-17 | Koninklijke Philips Electronics N.V. | Devices and cabling for use in a multi-resonant magnetic resonance system |
US20110136444A1 (en) * | 2009-12-09 | 2011-06-09 | Mark Rhodes | Transmit and receive antenna |
US8542017B2 (en) * | 2009-12-21 | 2013-09-24 | Nxp B.V. | System and method for measuring the shape of an organ of a patient using a magnetic induction radio sensor integrated in a stretchable strap |
US8854042B2 (en) * | 2010-08-05 | 2014-10-07 | Life Services, LLC | Method and coils for human whole-body imaging at 7 T |
US9075093B2 (en) | 2010-07-08 | 2015-07-07 | Konstantin G. Korotkov | Device for measuring electromagnetic field intensity |
WO2012088670A1 (zh) * | 2010-12-29 | 2012-07-05 | 海能达通信股份有限公司 | 一种射频带通滤波电路 |
US10627468B2 (en) * | 2011-03-18 | 2020-04-21 | Case Western Reserve University | Nuclear magnetic resonance (NMR) fingerprinting |
US8723518B2 (en) | 2011-03-18 | 2014-05-13 | Nicole SEIBERLICH | Nuclear magnetic resonance (NMR) fingerprinting |
CN103257331B (zh) * | 2012-02-16 | 2016-03-02 | 上海联影医疗科技有限公司 | 一种双频射频线圈 |
DE102012206066A1 (de) | 2012-04-13 | 2013-10-17 | Siemens Aktiengesellschaft | Erkennung ungesteckter Lokalspulen in einem Kernspintomographen |
DE102012209754B4 (de) * | 2012-06-12 | 2016-09-22 | Siemens Healthcare Gmbh | Spuleneinrichtung für einen Kernspintomographen |
EP4145671A1 (en) * | 2012-10-19 | 2023-03-08 | WiTricity Corporation | Foreign object detection in wireless energy transfer systems |
JP6349320B2 (ja) * | 2012-11-05 | 2018-06-27 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 無線周波数の分離が改善された送受切替回路 |
DE102013003836A1 (de) * | 2012-11-14 | 2014-05-15 | Krohne Ag | Messsystem für kernmagnetische Messgeräte |
DE102013006305B4 (de) * | 2013-03-19 | 2015-02-19 | Krohne Ag | Signalanalysator, insbesondere für kernmagnetische Durchflussmessgeräte |
US9851420B2 (en) * | 2013-08-09 | 2017-12-26 | Schlumberger Technology Corporation | Magnetic resonance transmitter |
US10241063B2 (en) * | 2015-04-15 | 2019-03-26 | Jeol Ltd. | Magnetic coupling high resolution nuclear magnetic resolution probe and method of use |
DE102016214441B3 (de) | 2016-08-04 | 2017-11-30 | Bruker Biospin Gmbh | Hochfrequenz-Interface-Schaltkreis, Hochfrequenzsystem und Magnetresonanzapparatur mit einem Hochfrequenz-Interface-Schaltkreis |
US10386430B2 (en) * | 2016-09-21 | 2019-08-20 | Quality Electrodynamics, Llc | Single layer magnetic resonance imaging transmit/receive radio frequency coil |
US10852373B2 (en) * | 2016-09-21 | 2020-12-01 | Quality Electrodynamics, Llc | Modulating magnetic resonance imaging transmit field in magnetic resonance fingerprinting using single layer transmit/receive radio frequency coil |
US10347973B2 (en) * | 2017-02-21 | 2019-07-09 | Nxp B.V. | Near-field electromagnetic induction (NFEMI) antenna |
US11156682B2 (en) | 2017-03-24 | 2021-10-26 | Quality Electrodynamics, Llc | Single layer magnetic resonance imaging transmit/receive radio frequency coil for different anatomies |
US10976388B2 (en) | 2017-03-24 | 2021-04-13 | Quality Electrodynamics, Llc | Minimizing intravascular magnetic resonance imaging (MRI) guidewire heating with single layer MRI transmit/receive radio frequency coil |
US10649048B2 (en) | 2017-04-28 | 2020-05-12 | Quality Electrodynamics, Llc | Single layer magnetic resonance imaging (MRI) transmit/receive (TX/RX) radio frequency (RF) coil with integrated shimming |
US11193992B2 (en) | 2017-05-05 | 2021-12-07 | Quality Electrodynamics, Llc | Single layer magnetic resonance imaging (MRI) transmit/receive (Tx/Rx) radio frequency (RF) coil with induced current failsafe protection |
US10838028B2 (en) | 2017-06-19 | 2020-11-17 | Quality Electrodynamics, Llc | Decoupling magnetic resonance imaging (MRI) radio frequency (RF) coil elements with high acceleration factor in parallel transmit (pTx) or receive (Rx) coils using fewer channels |
DE102017115807B3 (de) | 2017-07-13 | 2018-08-16 | Krohne Ag | Kernmagnetisches Messgerät |
CA3099068A1 (en) * | 2018-05-21 | 2019-11-28 | Hyperfine Research, Inc. | Radio-frequency coil signal chain for a low-field mri system |
GB2580011B (en) * | 2018-08-03 | 2021-11-24 | Medical Wireless Sensing Ltd | Tunable metamaterial device |
CN109444970B (zh) * | 2019-01-11 | 2020-06-16 | 中国科学院成都生物研究所 | 一种利用视觉感知控制的探地电磁波谱收发方法 |
US11171684B1 (en) | 2020-06-05 | 2021-11-09 | Baker Hughes Oilfield Operations Llc | Control of tranmsitting and receving antenna properties to reduce electromagnetic coupling |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4901022A (en) * | 1988-01-05 | 1990-02-13 | Elscint, Ltd. | Broadband matching and decoupling network |
DE3816831A1 (de) * | 1988-05-18 | 1989-11-30 | Philips Patentverwaltung | Kernspinuntersuchungsgeraet mit einer hochfrequenzspulenanordnung |
JP2647139B2 (ja) * | 1988-05-24 | 1997-08-27 | 株式会社東芝 | 磁気共鳴装置のプローブヘッド |
US4975644A (en) * | 1989-03-29 | 1990-12-04 | Kabushiki Kaisha Toshiba | Coil system for a magnetic resonance imaging system |
US5050605A (en) * | 1989-04-12 | 1991-09-24 | Fonar Corporation | Magnetic resonance imaging antennas with spiral coils and imaging methods employing the same |
US5583438A (en) * | 1989-04-12 | 1996-12-10 | Fonar Corporation | Inductively coupled dedicated RF coils for MRI |
DE9012639U1 (de) * | 1989-09-18 | 1990-10-31 | Siemens AG, 8000 München | Fehlersichere Entkopplung von Sende- und Empfangsantennen bei Kernspinresonanzgeräten |
FI83819C (fi) * | 1989-11-27 | 1991-08-26 | Instrumentarium Oy | Spol- och kopplingsarrangemang. |
US5256972A (en) * | 1990-01-30 | 1993-10-26 | Elscint, Ltd. | Body coil decoupling circuit |
US5216367A (en) * | 1990-02-21 | 1993-06-01 | Kabushiki Kaisha Toshiba | MR imaging apparatus capable of automatically selecting multiple surface coils |
DE4030877A1 (de) * | 1990-09-29 | 1992-04-02 | Siemens Ag | Doppel-oberflaechenspule fuer ein kernspinresonanzgeraet |
US5206639A (en) * | 1990-10-25 | 1993-04-27 | Timex Corporation | Single antenna dual frequency transponder |
US5166617A (en) * | 1991-01-11 | 1992-11-24 | Varian Associates, Inc. | High power NMR probe |
US5321412A (en) * | 1991-05-13 | 1994-06-14 | Sensormatic Electronics Corporation | Antenna arrangement with reduced coupling between transmit antenna and receive antenna |
US5585721A (en) * | 1991-06-24 | 1996-12-17 | Fonar Corporation | Inductively coupled dedicated RF coils for MRI |
US5302901A (en) * | 1991-08-26 | 1994-04-12 | U.S. Philips Corporation | Magnetic resonance apparatus comprising decoupled receiver coils |
US5317266A (en) * | 1991-11-22 | 1994-05-31 | Siemens Aktiengesellschaft | Local antenna with homogeneous sensitivity for a nuclear magnetic resonance imaging apparatus |
US5453692A (en) * | 1992-08-06 | 1995-09-26 | Hitachi, Ltd. | RF probe for nuclear magnetic resonance imaging (MRI) devices |
DE4238831A1 (de) * | 1992-11-17 | 1994-05-19 | Siemens Ag | Hochfrequenzeinrichtung einer Anlage zur Kernspintomographie mit einer Oberflächenspule |
US5329233A (en) * | 1992-12-10 | 1994-07-12 | General Electric Company | Cylindrical local coil for nuclear magnetic resonance imaging |
JP3216938B2 (ja) * | 1993-06-08 | 2001-10-09 | 株式会社日立製作所 | Mri用rfプローブ及び磁気共鳴撮影装置 |
DE4322352C2 (de) * | 1993-07-05 | 1996-09-05 | Siemens Ag | Hochfrequenz-System einer Anlage zur Kernspintomographie mit einer galvanisch entkoppelten Lokalspuleneinrichtung |
-
1997
- 1997-05-29 CN CNB971952108A patent/CN1135400C/zh not_active Expired - Fee Related
- 1997-05-29 JP JP10500734A patent/JP2000514670A/ja active Pending
- 1997-05-29 WO PCT/US1997/009420 patent/WO1997046895A1/en active Application Filing
- 1997-05-29 AU AU31519/97A patent/AU3151997A/en not_active Abandoned
- 1997-05-29 BR BR9709291A patent/BR9709291A/pt not_active IP Right Cessation
- 1997-05-29 IL IL12695997A patent/IL126959A0/xx unknown
- 1997-05-29 GB GB9826523A patent/GB2331587B/en not_active Expired - Fee Related
- 1997-08-20 US US08/915,205 patent/US5903150A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2000514670A (ja) | 2000-11-07 |
GB2331587A (en) | 1999-05-26 |
CN1135400C (zh) | 2004-01-21 |
AU3151997A (en) | 1998-01-05 |
BR9709291A (pt) | 1999-08-10 |
WO1997046895A1 (en) | 1997-12-11 |
US5903150A (en) | 1999-05-11 |
CN1221493A (zh) | 1999-06-30 |
GB9826523D0 (en) | 1999-01-27 |
GB2331587B (en) | 2001-05-02 |
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