JP2014525812A5 - - Google Patents
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- Publication number
- JP2014525812A5 JP2014525812A5 JP2014525552A JP2014525552A JP2014525812A5 JP 2014525812 A5 JP2014525812 A5 JP 2014525812A5 JP 2014525552 A JP2014525552 A JP 2014525552A JP 2014525552 A JP2014525552 A JP 2014525552A JP 2014525812 A5 JP2014525812 A5 JP 2014525812A5
- Authority
- JP
- Japan
- Prior art keywords
- radio frequency
- magnetic resonance
- imaging system
- input drive
- resonance imaging
- 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.)
- Granted
Links
- 238000002595 magnetic resonance imaging Methods 0.000 claims 22
- 230000035945 sensitivity Effects 0.000 claims 22
- 230000005540 biological transmission Effects 0.000 claims 19
- 238000003384 imaging method Methods 0.000 claims 8
- 238000000034 method Methods 0.000 claims 4
- 230000005684 electric field Effects 0.000 claims 3
- 238000004590 computer program Methods 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 claims 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161524369P | 2011-08-17 | 2011-08-17 | |
| US61/524,369 | 2011-08-17 | ||
| PCT/IB2012/054163 WO2013024449A1 (en) | 2011-08-17 | 2012-08-15 | Reducing the radio-frequency transmit field in a predetermined volume during magnetic resonance imaging |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2014525812A JP2014525812A (ja) | 2014-10-02 |
| JP2014525812A5 true JP2014525812A5 (enExample) | 2015-09-24 |
| JP6169573B2 JP6169573B2 (ja) | 2017-07-26 |
Family
ID=47178771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2014525552A Active JP6169573B2 (ja) | 2011-08-17 | 2012-08-15 | 磁気共鳴撮像中における既定の体積内の無線周波数伝送場の減少 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9702950B2 (enExample) |
| EP (1) | EP2745133B1 (enExample) |
| JP (1) | JP6169573B2 (enExample) |
| CN (1) | CN103733083B (enExample) |
| MX (1) | MX2014001716A (enExample) |
| WO (1) | WO2013024449A1 (enExample) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012215255B3 (de) * | 2012-08-28 | 2014-02-27 | Siemens Aktiengesellschaft | Ansteuerung eines Magnetresonanzsystems unter Berücksichtigung aktueller komponentenbedingter B1-Feld-Maximalwerte |
| DE102013206055A1 (de) | 2013-04-05 | 2014-10-09 | Siemens Aktiengesellschaft | Verfahren und Lokalspulensystem zur Erzeugung eines Magnetresonanz-Hochfrequenz-Feldes |
| DE102013206326B4 (de) * | 2013-04-10 | 2014-11-20 | Siemens Aktiengesellschaft | Betriebsverfahren für eine Magnetresonanzanlage mit mehreren Sendeantennen |
| DE102014206011A1 (de) * | 2013-07-02 | 2015-01-08 | Siemens Aktiengesellschaft | Verfahren zur Aufnahme von Magnetresonanzdaten eines ein Metallobjekt enthaltenden Zielbereichs und Magnetresonanzeinrichtung |
| KR101666522B1 (ko) * | 2013-09-25 | 2016-10-24 | 삼성전자 주식회사 | 자기공명영상 장치 |
| EP3080635A1 (en) * | 2013-12-10 | 2016-10-19 | Koninklijke Philips N.V. | Calculating mri rf coil sensitivities using interpolation into an enlarged field of view |
| US9891257B2 (en) | 2014-08-06 | 2018-02-13 | Hand Held Products, Inc. | Testing system and method using electromagnetic near field measurements |
| EP3207392B1 (en) | 2014-10-17 | 2020-09-02 | Koninklijke Philips N.V. | Spatially resolved metal detector |
| JP2018507762A (ja) * | 2015-02-06 | 2018-03-22 | チェン、ジChen, Ji | 高周波誘起された加熱を低減するために吸収材料を使用する外部固定器具 |
| US11266444B2 (en) | 2015-02-06 | 2022-03-08 | University Of Houston System | External fixation device with absorption material for reducing radiofrequency induced heat transfer and method thereof |
| CN106175765B (zh) * | 2015-04-29 | 2021-02-09 | Ge医疗系统环球技术有限公司 | 磁共振成像系统及方法 |
| US10672520B1 (en) * | 2016-03-02 | 2020-06-02 | AltaSim Technologies, LLC | Precision medicine approach to improving patient safety and access to MRI |
| US10753991B2 (en) * | 2016-04-13 | 2020-08-25 | King's College London | Method and system for magnetic resonance imaging |
| CN108627783B (zh) | 2017-03-23 | 2022-01-14 | 通用电气公司 | 射频线圈阵列及磁共振成像发射阵列 |
| US10908229B2 (en) | 2018-06-18 | 2021-02-02 | Allegro Microsystems, Llc | Regulation of coefficients used in magnetic field sensor virtual signal generation |
| US10598739B2 (en) * | 2018-06-18 | 2020-03-24 | Allegro Microsystems, Llc | Magnetic field sensors having virtual signals |
| US10578679B2 (en) * | 2018-06-18 | 2020-03-03 | Allegro Microsystems, Llc | Magnetic field sensors having virtual signals |
| US10866118B2 (en) | 2018-06-18 | 2020-12-15 | Allegro Microsystems, Llc | High resolution magnetic field sensors |
| EP3591418A1 (en) * | 2018-07-03 | 2020-01-08 | Koninklijke Philips N.V. | Mri method for b0-mapping |
| CN112345989B (zh) * | 2020-11-18 | 2024-05-28 | 中国科学院电工研究所 | 一种肿瘤组织磁特性成像方法 |
| US11762043B2 (en) | 2021-03-11 | 2023-09-19 | Allegro Microsystems, Llc | High resolution magnetic field sensors |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7403004B2 (en) | 2003-10-31 | 2008-07-22 | Koninklijke Philips Electronics N.V. | B1 field control in magnetic resonance imaging |
| US6940282B2 (en) | 2003-12-19 | 2005-09-06 | General Electric Company | Switchable transmit array coil |
| US6982554B2 (en) | 2004-04-29 | 2006-01-03 | General Electric Company | System and method for operating transmit or transmit/receive elements in an MR system |
| JP2009511106A (ja) * | 2005-10-07 | 2009-03-19 | 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 | マルチチャネル送信磁気共鳴 |
| US7385396B2 (en) * | 2006-04-20 | 2008-06-10 | General Electric Company | SAR reduction in MR imaging with parallel RF transmission |
| US20080154348A1 (en) | 2006-12-18 | 2008-06-26 | Ergin Atalar | Mri compatible implantable devices |
| DE102006061740A1 (de) * | 2006-12-28 | 2008-07-10 | Siemens Ag | Verfahren und Kontrolleinrichtung zur Kontrolle der Hochfrequenzbelastung bei einer Magnetresonanzmessung |
| JP5502304B2 (ja) * | 2007-11-22 | 2014-05-28 | 株式会社東芝 | 磁気共鳴イメージング装置およびrfコイル |
| CN101981463A (zh) | 2008-03-26 | 2011-02-23 | 皇家飞利浦电子股份有限公司 | 活体内局部sar的确定和电导率映射 |
| WO2009128013A1 (en) * | 2008-04-16 | 2009-10-22 | Koninklijke Philips Electronics N.V. | Real-time local and global sar estimation for patient safety and improved scanning performance |
| US8736265B2 (en) * | 2008-09-17 | 2014-05-27 | Koninklijke Philips N.V. | B1-mapping and B1L-shimming for MRI |
| US8294461B2 (en) * | 2009-01-15 | 2012-10-23 | The Board Of Trustees Of The Leland Stanford Junior University | Reverse circularly polarized non-tissue damaging RF in MRI detection of coupled RF current producing objects in a body |
| US8224609B2 (en) * | 2009-03-20 | 2012-07-17 | Griswold Mark A | Excitation uniformity |
| US8049499B2 (en) * | 2009-03-20 | 2011-11-01 | Case Western Reserve University | Controlling multi-channel transmitter effects on specific absorption rate |
| CN102369451B (zh) * | 2009-03-31 | 2015-02-25 | 皇家飞利浦电子股份有限公司 | 加速的Bi绘图 |
| US8319496B2 (en) * | 2009-04-01 | 2012-11-27 | Yigitcan Eryaman | Magnetic resonance method and apparatus for reducing RF heating in the patient |
| JP5624346B2 (ja) * | 2009-04-03 | 2014-11-12 | 株式会社東芝 | 磁気共鳴イメージング装置 |
| US20110066028A1 (en) | 2009-09-11 | 2011-03-17 | Pacesetter, Inc. | Systems and methods for remote monitoring of implantable medical device lead temperatures during an mri procedure |
| US20120161766A1 (en) | 2009-09-17 | 2012-06-28 | Koninklijke Philips Electronics N.V. | Concurrent optimization of rf power and rf field uniformity in mri |
| JP5597515B2 (ja) * | 2009-12-17 | 2014-10-01 | 株式会社東芝 | 磁気共鳴イメージング装置、および、磁気共鳴イメージング方法 |
| EP2343567A1 (en) * | 2009-12-31 | 2011-07-13 | Koninklijke Philips Electronics N.V. | Method for calculating local specific energy absorption rate (SAR) in nuclear magnetic resonance |
| EP2624004A1 (en) * | 2012-02-06 | 2013-08-07 | Koninklijke Philips Electronics N.V. | Temperature determination using magnetic resonance B1 field mapping |
-
2012
- 2012-08-15 MX MX2014001716A patent/MX2014001716A/es not_active Application Discontinuation
- 2012-08-15 WO PCT/IB2012/054163 patent/WO2013024449A1/en not_active Ceased
- 2012-08-15 US US14/238,999 patent/US9702950B2/en active Active
- 2012-08-15 EP EP12787081.4A patent/EP2745133B1/en active Active
- 2012-08-15 JP JP2014525552A patent/JP6169573B2/ja active Active
- 2012-08-15 CN CN201280039731.6A patent/CN103733083B/zh active Active
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