JP2008284361A5 - - Google Patents

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Publication number
JP2008284361A5
JP2008284361A5 JP2008128230A JP2008128230A JP2008284361A5 JP 2008284361 A5 JP2008284361 A5 JP 2008284361A5 JP 2008128230 A JP2008128230 A JP 2008128230A JP 2008128230 A JP2008128230 A JP 2008128230A JP 2008284361 A5 JP2008284361 A5 JP 2008284361A5
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JP
Japan
Prior art keywords
ramp waveform
imaging device
controller
pulse profile
slew rate
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.)
Pending
Application number
JP2008128230A
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English (en)
Japanese (ja)
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JP2008284361A (ja
Filing date
Publication date
Priority claimed from US11/750,478 external-priority patent/US7737690B2/en
Application filed filed Critical
Publication of JP2008284361A publication Critical patent/JP2008284361A/ja
Publication of JP2008284361A5 publication Critical patent/JP2008284361A5/ja
Pending legal-status Critical Current

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JP2008128230A 2007-05-18 2008-05-15 Ｒｆパルス設計における振幅低減のためのシステム及び方法 Pending JP2008284361A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/750,478 US7737690B2 (en) 2007-05-18 2007-05-18 System and method for amplitude reduction in RF pulse design

Publications (2)

Publication Number Publication Date
JP2008284361A JP2008284361A (ja) 2008-11-27
JP2008284361A5 true JP2008284361A5 (enExample) 2013-03-07

Family

ID=40026873

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008128230A Pending JP2008284361A (ja) 2007-05-18 2008-05-15 Ｒｆパルス設計における振幅低減のためのシステム及び方法

Country Status (3)

Country Link
US (1) US7737690B2 (enExample)
JP (1) JP2008284361A (enExample)
NL (1) NL2001591C2 (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7705594B2 (en) * 2007-03-30 2010-04-27 General Electric Company System and method for designing improved RF pulse profiles
DE102008004256B4 (de) * 2008-01-14 2010-01-07 Siemens Aktiengesellschaft SAR-optimierte Ansteuerung eines Spulenarrays
US8085046B2 (en) * 2008-08-28 2011-12-27 The General Hospital Corporation Coil array mode compression for parallel transmission magnetic resonance imaging
US8049499B2 (en) * 2009-03-20 2011-11-01 Case Western Reserve University Controlling multi-channel transmitter effects on specific absorption rate
EP2414858A1 (en) 2009-04-02 2012-02-08 Koninklijke Philips Electronics N.V. Sar reduction in parallel transmission by k-space dependent rf pulse selection
CN102109586B (zh) * 2009-12-23 2015-02-11 Ge医疗系统环球技术有限公司 磁共振梯度脉冲波设计方法及其装置
JP5780512B2 (ja) * 2010-06-07 2015-09-16 株式会社東芝 磁気共鳴イメージング装置
CN102288929B (zh) * 2011-05-11 2013-04-17 浙江大学 用于磁共振系统的激发脉冲序列生成器
CN102283649B (zh) * 2011-05-11 2012-11-21 浙江大学 用于磁共振成像的三维空间选择性激励的序列设计方法
CN104583793B (zh) * 2012-07-25 2019-07-16 皇家飞利浦有限公司 能在不同转换速率工作的mri梯度放大器
DE102012215255B3 (de) * 2012-08-28 2014-02-27 Siemens Aktiengesellschaft Ansteuerung eines Magnetresonanzsystems unter Berücksichtigung aktueller komponentenbedingter B1-Feld-Maximalwerte
WO2014080781A1 (ja) * 2012-11-20 2014-05-30 株式会社 日立メディコ 磁気共鳴イメージング装置、及び、ｓａｒの予測方法
CN103323805B (zh) * 2013-05-29 2015-04-29 杭州电子科技大学 基于小波域稀疏表示的speed快速磁共振成像方法
US9766314B2 (en) * 2014-04-21 2017-09-19 General Electric Company Systems and methods for design of magnetic resonance imaging slice-select pulses
DE102016203757B4 (de) 2016-03-08 2018-05-30 Siemens Healthcare Gmbh Abschnittsweises Optimieren von radialen MR-Pulssequenzen
WO2017173617A1 (en) * 2016-04-07 2017-10-12 Shanghai United Imaging Healthcare Co., Ltd. System and method for fast imaging in magnetic resonance imaging
JP6804228B2 (ja) * 2016-08-01 2020-12-23 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
US10753994B2 (en) * 2017-04-21 2020-08-25 University Of Virginia Patent Foundation Systems and methods for simultaneous multi-slice imaging
CN107638179B (zh) * 2017-08-28 2020-09-04 上海联影医疗科技有限公司 磁共振翻转角的计算方法、系统和计算机可读存储介质
JP7169795B2 (ja) * 2018-07-11 2022-11-11 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および高周波増幅回路

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5105152A (en) * 1990-03-22 1992-04-14 The Board Of Trustees Of The Leland Stanford Junior University Magnetic resonance imaging and spectroscopy using a linear class of large tip-angle selective excitation pulses
US5313163A (en) * 1992-08-12 1994-05-17 General Electric Company Sampling-ring saturation pulse for two-dimensional magnetic resonance selective excitation
US5402067A (en) * 1993-08-04 1995-03-28 Board Of Trustees Of The Leland Stanford Junior University Apparatus and method for rare echo imaging using k-space spiral coverage
US6313630B1 (en) * 1999-08-25 2001-11-06 Ge Medical Systems Global Technology Company Llc Modular gradient system for MRI system
DE10214736B4 (de) * 2002-04-03 2005-03-31 Siemens Ag Verfahren zur Optimierung der k-Raum-Trajektorien bei der Ortskodierung eines Magnetresonanz-Tomographiegerätes und Gerät zur Durchführung des Verfahrens
US7030611B2 (en) * 2002-12-27 2006-04-18 Kabushiki Kaisha Toshiba Magnetic resonance imaging apparatus and method incorporating multi-mode gradient coil unit
US7046003B2 (en) * 2004-09-20 2006-05-16 The Board Of Trustees Of The Leland Stanford Junior University Reduced-time variable rate excitation pulses for rapid MRI
US7635977B2 (en) * 2006-04-06 2009-12-22 Catholic Healthcare West, California Nonprofit Public Benefit Corporation MR imaging with an RF pulse producing reduced magnetization transfer

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