JP2007289690A5 - - Google Patents

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Publication number
JP2007289690A5
JP2007289690A5 JP2007107706A JP2007107706A JP2007289690A5 JP 2007289690 A5 JP2007289690 A5 JP 2007289690A5 JP 2007107706 A JP2007107706 A JP 2007107706A JP 2007107706 A JP2007107706 A JP 2007107706A JP 2007289690 A5 JP2007289690 A5 JP 2007289690A5
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JP
Japan
Prior art keywords
computer
pulse sequence
storage medium
readable storage
pulse
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Pending
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JP2007107706A
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English (en)
Japanese (ja)
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JP2007289690A (ja
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Priority claimed from US11/379,403 external-priority patent/US7385396B2/en
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Publication of JP2007289690A publication Critical patent/JP2007289690A/ja
Publication of JP2007289690A5 publication Critical patent/JP2007289690A5/ja
Pending legal-status Critical Current

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JP2007107706A 2006-04-20 2007-04-17 並列ｒｆ送信を伴うｍｒ撮像におけるｓａｒ低減 Pending JP2007289690A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/379,403 US7385396B2 (en) 2006-04-20 2006-04-20 SAR reduction in MR imaging with parallel RF transmission

Publications (2)

Publication Number Publication Date
JP2007289690A JP2007289690A (ja) 2007-11-08
JP2007289690A5 true JP2007289690A5 (https=) 2011-05-26

Family

ID=38618899

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007107706A Pending JP2007289690A (ja) 2006-04-20 2007-04-17 並列ｒｆ送信を伴うｍｒ撮像におけるｓａｒ低減

Country Status (3)

Country Link
US (1) US7385396B2 (https=)
JP (1) JP2007289690A (https=)
NL (1) NL1033706C2 (https=)

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DE102007059522B4 (de) * 2007-12-11 2009-09-17 Siemens Ag Magnetresonanzanlage mit verlustleistungsoptimiertem Betrieb
EP2223135A1 (en) * 2007-12-12 2010-09-01 Koninklijke Philips Electronics N.V. Transmit/receive coil for ultra-high field mri
CN101981462B (zh) * 2008-03-27 2014-12-24 皇家飞利浦电子股份有限公司 具有针对多rf发射系统的改进的b1映射的翻转角成像
US7808240B2 (en) * 2008-04-30 2010-10-05 General Electric Company Apparatus and method for optimizing the spectra of parallel excitation pulses
GB2476433B (en) * 2008-09-17 2013-01-09 Koninkl Philips Electronics Nv B1 Mapping and B1L-Shimming for MRI
US8148985B2 (en) * 2008-10-15 2012-04-03 Massachusetts Institute Of Technology Method for reducing maximum local specific absorption rate in magnetic resonance imaging
US8319495B1 (en) 2008-10-27 2012-11-27 Yudong Zhu Multi-port RF systems and methods for MRI
US8311641B2 (en) * 2008-12-04 2012-11-13 General Electric Company Method and apparatus for generating a localized heating
DE102008061455B4 (de) * 2008-12-10 2011-03-17 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Bestimmung einer vorbestimmten Signalamplitude bei MR-Messungen
JP2010207568A (ja) * 2009-02-10 2010-09-24 Toshiba Corp 磁気共鳴イメージング装置
US8049499B2 (en) * 2009-03-20 2011-11-01 Case Western Reserve University Controlling multi-channel transmitter effects on specific absorption rate
JP5685576B2 (ja) * 2009-04-01 2015-03-18 コーニンクレッカ フィリップス エヌ ヴェ パラレルトランスミッションｍｒｉにおける時間平均によるｓａｒホットスポットの低減
US8319496B2 (en) * 2009-04-01 2012-11-27 Yigitcan Eryaman Magnetic resonance method and apparatus for reducing RF heating in the patient
JP5619136B2 (ja) * 2009-04-02 2014-11-05 コーニンクレッカ フィリップス エヌ ヴェ ｋ空間に依存するＲＦパルス選択によるパラレル送信におけるＳＡＲ低減
EP2296000B1 (en) * 2009-09-10 2014-03-12 Commissariat à l'Énergie Atomique et aux Énergies Alternatives Parallel excitation of nuclear spins with local SAR control
DE102010004514A1 (de) * 2010-01-13 2011-07-14 Siemens Aktiengesellschaft, 80333 Dynamische Nachführung der HF-Justage bei parallelem Senden
US8970217B1 (en) 2010-04-14 2015-03-03 Hypres, Inc. System and method for noise reduction in magnetic resonance imaging
WO2011149087A1 (ja) * 2010-05-27 2011-12-01 株式会社東芝 磁気共鳴イメージング装置
US8558547B2 (en) 2011-05-05 2013-10-15 General Electric Company System and method for magnetic resonance radio-frequency field mapping
US9733324B2 (en) 2011-07-04 2017-08-15 Koninklijke Philips N.V. Magnetic resonance imaging system with a multi-channel impedance matching network
WO2013024449A1 (en) * 2011-08-17 2013-02-21 Koninklijke Philips Electronics N.V. Reducing the radio-frequency transmit field in a predetermined volume during magnetic resonance imaging
EP2615470A1 (en) * 2012-01-12 2013-07-17 Koninklijke Philips Electronics N.V. MR imaging with B1 mapping
DE102012207132B3 (de) * 2012-04-27 2013-09-05 Siemens Aktiengesellschaft Ansteuerung eines Magnetresonanzsystems unter Ermittlung von Sendeskalierungsfaktoren für eine vorgegebene Zielmagnetisierung
RU2015119475A (ru) 2012-10-23 2016-12-20 Конинклейке Филипс Н.В. Адаптивное управление удельной мощностью поглощения (sar) для получения магнитно-резонансного изображения
EP2741097A1 (en) 2012-12-04 2014-06-11 Samsung Electronics Co., Ltd Method and apparatus for acquiring B1 magnetic field phase information
KR101480413B1 (ko) * 2012-12-04 2015-01-08 삼성전자주식회사 B1 정보 획득 방법 및 장치
JP6411063B2 (ja) * 2014-05-07 2018-10-24 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ｓａｒ算出方法
DE102016209088A1 (de) * 2016-05-25 2017-11-30 Siemens Healthcare Gmbh Überwachung einer Absorptionsrate induktiv gekoppelter Spulen
CN113093143B (zh) * 2021-04-15 2022-06-10 电子科技大学 基于共形频控阵mimo雷达的降维参数估计方法

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JP3732365B2 (ja) * 1999-09-08 2006-01-05 ジーイー横河メディカルシステム株式会社 スピン励起方法および装置並びに磁気共鳴撮像装置
DE10150138B4 (de) * 2001-10-11 2009-10-08 Siemens Ag Verfahren zur Magnetresonanz-Bildgebung
US6879158B2 (en) 2002-05-17 2005-04-12 General Electric Company Method for accelerating focused excitation with multiple RF transmit coils
US6989673B2 (en) * 2003-11-26 2006-01-24 General Electric Company Method and apparatus to reduce RF power deposition during MR data acquisition
US7053618B2 (en) * 2003-11-26 2006-05-30 General Electric Company Method and apparatus to generate an RF excitation consistent with a desired excitation profile using a transmit coil array
US7307419B2 (en) 2004-12-20 2007-12-11 General Electric Company Method and system for spatial-spectral excitation by parallel RF transmission
US20060132132A1 (en) 2004-12-21 2006-06-22 General Electric Company Method and system for MR scan acceleration using selective excitation and parallel transmission

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