JP4011585B2 - Mriシステム - Google Patents
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- JP4011585B2 JP4011585B2 JP2005000610A JP2005000610A JP4011585B2 JP 4011585 B2 JP4011585 B2 JP 4011585B2 JP 2005000610 A JP2005000610 A JP 2005000610A JP 2005000610 A JP2005000610 A JP 2005000610A JP 4011585 B2 JP4011585 B2 JP 4011585B2
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Images
Classifications
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- 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
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
- G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
- G01R33/5619—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences by temporal sharing of data, e.g. keyhole, block regional interpolation scheme for k-Space [BRISK]
-
- 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
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
- G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
- G01R33/5635—Angiography, e.g. contrast-enhanced angiography [CE-MRA] or time-of-flight angiography [TOF-MRA]
-
- 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
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
- G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
- G01R33/56308—Characterization of motion or flow; Dynamic imaging
- G01R33/56325—Cine imaging
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- High Energy & Nuclear Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Vascular Medicine (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Description
AB AC AD AB AC AD AB AC AD...
AD AC AB AD AC AB AD AC AB...
108 CPUモジュール
118 バックプレーン
119 CPUモジュール
121 パルス発生器モジュール
127 傾斜増幅器システム
129 生理機能収集コントローラ
133 走査インターフェイス回路
139 傾斜コイル・アッセンブリ
Claims (7)
- 患者からデータを取得し,コントラスト強調画像を生成するMRIシステムであって,
選択された三次元k空間の中央領域をある時間速度でサンプリングし,
選択された三次元k空間の周辺領域をより低い時間速度でサンプリングし,
前記k空間の中央領域の複数のサンプルの各セットに対して,前記k空間の中央領域の複数のサンプルと,前記k空間の周辺領域の時間的に最隣接する2つのデータ・セット間で補間を行うことにより得られた複数のサンプルとを含む1つの三次元のデータ・セットを形成し,
各三次元のデータ・セットから1つの三次元フレーム画像を再構成することにより,コントラスト剤を投与された患者の動的検査の間,選択された三次元k空間から一連の三次元フレーム画像を生成する手段と,
1つの三次元差分画像を生成するために複数の前記三次元フレーム画像の2つの間で減算を実行する手段を含む,複数の前記三次元フレーム画像から1つのコントラスト強調画像を生成する手段と
を含み,前記k空間の中央領域は実質的に三次元k空間の円形の中央領域であり,前記k空間の周辺領域は三次元k空間の,前記中央領域を囲む環状周辺領域である,MRIシステム。 - 連続する三次元のデータ・セット間で補間を行うことにより付加的な三次元のデータ・セットが形成され,該付加的な三次元のデータ・セットから付加的な三次元フレーム画像が再構成される,請求項1に記載のMRIシステム。
- 前記k空間の中央領域の連続するサンプル・データ間で補間を行うことにより付加的な三次元のデータ・セットを得る手段と,
前記付加的な三次元のデータ・セットから付加的な三次元のフレーム画像を得る手段とを含む請求項1に記載のMRIシステム。 - 前記付加的な三次元のデータ・セットを得る手段は,前記k空間の周辺領域の時間的に最近傍の二つのサンプル間で補間を行う手段を含む請求項3に記載のMRIシステム。
- 患者からデータを取得し,コントラスト強調画像を生成するMRIシステムであって,
選択された三次元k空間の実質的に円形の中央領域をある時間速度でサンプリングし,
選択された三次元k空間の,前記中央領域を囲む環状周辺領域をより低い時間速度でサンプリングし,
前記k空間の中央領域の複数のサンプルの各セットに対して,前記k空間の中央領域の複数のサンプルと,前記k空間の周辺領域の時間的に最隣接するデータ・セットから得られた複数のサンプルとを含む1つの三次元のデータ・セットを形成し,
各三次元のデータ・セットから1つの三次元フレーム画像を再構成することにより,コントラスト剤を投与された患者の動的検査の間,選択された三次元k空間から一連の三次元フレーム画像を生成する手段と,
1つの三次元差分画像を生成するために複数の前記三次元フレーム画像の2つの間で減算を実行する手段を含む,複数の前記三次元フレーム画像から1つのコントラスト強調画像を生成する手段と
を含むMRIシステム。 - 前記k空間の実質的に円形の中央領域の連続するサンプル・データ間で補間を行うことにより付加的な三次元のデータ・セットを得る手段と、
前記付加的な三次元のデータ・セットから付加的な三次元のフレーム画像を得る手段とを含む請求項5に記載のMRIシステム。 - 前記付加的な三次元のデータ・セットを得る手段は、前記k空間の周辺領域の時間的に最近傍の二つのサンプル間で補間を行う手段を含む請求項6に記載のMRIシステム。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/622,718 US5713358A (en) | 1996-03-26 | 1996-03-26 | Method for producing a time-resolved series of 3D magnetic resonance angiograms during the first passage of contrast agent |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9071923A Division JPH105191A (ja) | 1996-03-26 | 1997-03-25 | 三次元ディジタル減算磁気共鳴血管撮影法 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007188314A Division JP2007260454A (ja) | 1996-03-26 | 2007-07-19 | Mriシステム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005095694A JP2005095694A (ja) | 2005-04-14 |
JP4011585B2 true JP4011585B2 (ja) | 2007-11-21 |
Family
ID=24495242
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9071923A Pending JPH105191A (ja) | 1996-03-26 | 1997-03-25 | 三次元ディジタル減算磁気共鳴血管撮影法 |
JP2005000610A Expired - Lifetime JP4011585B2 (ja) | 1996-03-26 | 2005-01-05 | Mriシステム |
JP2007188314A Pending JP2007260454A (ja) | 1996-03-26 | 2007-07-19 | Mriシステム |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9071923A Pending JPH105191A (ja) | 1996-03-26 | 1997-03-25 | 三次元ディジタル減算磁気共鳴血管撮影法 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007188314A Pending JP2007260454A (ja) | 1996-03-26 | 2007-07-19 | Mriシステム |
Country Status (4)
Country | Link |
---|---|
US (1) | US5713358A (ja) |
EP (1) | EP0798566B1 (ja) |
JP (3) | JPH105191A (ja) |
DE (1) | DE69709425T2 (ja) |
Families Citing this family (115)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6044290A (en) * | 1997-04-11 | 2000-03-28 | Wisconsin Alumni Research Foundation | Time-resolved digital subtraction magnetic resonance angiography using echo-planar imaging |
US5873825A (en) * | 1997-04-11 | 1999-02-23 | Wisconsin Alumni Research Foundation | Three dimensional digital subtraction magnetic resonance angiography with limited k-space mask |
US6272370B1 (en) | 1998-08-07 | 2001-08-07 | The Regents Of University Of Minnesota | MR-visible medical device for neurological interventions using nonlinear magnetic stereotaxis and a method imaging |
US7048716B1 (en) | 1997-05-15 | 2006-05-23 | Stanford University | MR-compatible devices |
US6026316A (en) * | 1997-05-15 | 2000-02-15 | Regents Of The University Of Minnesota | Method and apparatus for use with MR imaging |
US6031375A (en) * | 1997-11-26 | 2000-02-29 | The Johns Hopkins University | Method of magnetic resonance analysis employing cylindrical coordinates and an associated apparatus |
DE69842209D1 (de) | 1997-12-12 | 2011-05-12 | Wisconsin Alumni Res Found | Schnelle magnetresonanzbildgebung unter verwendung radialer projektionen |
US6144200A (en) * | 1998-02-20 | 2000-11-07 | General Electric Company | Acquisition of segmented MRI cardiac data using an EPI pulse sequence |
US6381486B1 (en) | 1999-01-08 | 2002-04-30 | Wisconsin Alumni Research Foundation | Magnetic resonance angiography with vessel segmentation |
US6463317B1 (en) | 1998-05-19 | 2002-10-08 | Regents Of The University Of Minnesota | Device and method for the endovascular treatment of aneurysms |
JP3051374B2 (ja) * | 1998-07-21 | 2000-06-12 | ジーイー横河メディカルシステム株式会社 | 磁気共鳴撮像装置 |
CN1075128C (zh) * | 1998-08-06 | 2001-11-21 | 武汉钢铁(集团)公司 | 一种制造精密封闭空腔零件的方法 |
US6233475B1 (en) * | 1998-09-18 | 2001-05-15 | Synnybrook Health Science Center | Method for coordinating MR angiography scan with arrival of bolus at imaging site |
US6195579B1 (en) | 1998-12-18 | 2001-02-27 | Wisconsin Alumni Research Foundation | Contrast detection and guided reconstruction in contrast-enhanced magnetic resonance angiography |
US6295465B1 (en) * | 1999-02-17 | 2001-09-25 | Siemens Medical Systems, Inc. | Myocardial perfusion studies using magnetic resonance imaging |
US6425864B1 (en) * | 1999-04-15 | 2002-07-30 | General Electric Company | Method and apparatus for optimal imaging of the peripheral vasculature |
JP4379559B2 (ja) * | 1999-04-30 | 2009-12-09 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
US6377834B1 (en) | 1999-05-19 | 2002-04-23 | Wisconsin Alumni Research Foundation | Real time in vivo measurement of temperature changes with contrast enhanced NMR imaging |
DE19962847C2 (de) * | 1999-12-24 | 2003-08-07 | Forschungszentrum Juelich Gmbh | Magnetresonanz-Bildgebungsverfahren mit Echo-Planar-Bildgebung |
US6535821B2 (en) * | 2000-02-11 | 2003-03-18 | University Of Iowa Research Foundation | System and method of bolus-chasing angiography with adaptive real-time computed tomography (CT) |
US6946836B2 (en) | 2000-04-25 | 2005-09-20 | Kabushiki Kaisha Toshiba | Magnetic resonance imaging involving movement of patient's couch |
US6690961B1 (en) | 2000-05-12 | 2004-02-10 | Toshiba America Mri, Inc. | Apparatus and method for transition between fluoro-mode and diagnostic mode magnetic resonance imaging |
JP2004504910A (ja) * | 2000-07-31 | 2004-02-19 | 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 | 高速動的撮像を形成する磁気共鳴方法 |
US6603992B1 (en) * | 2000-10-18 | 2003-08-05 | Ge Medical Systems Global Technology Company, Llc | Method and system for synchronizing magnetic resonance image acquisition to the arrival of a signal-enhancing contrast agent |
US6653834B2 (en) | 2000-11-14 | 2003-11-25 | Koninklijke Philips Electronics N.V. | Magnetic resonance imaging method |
US6639211B1 (en) * | 2000-11-22 | 2003-10-28 | Koninklijke Philips Electronics, N.V. | Contrast-enhanced MRA including an effective zero-latency method of bolus detection |
WO2002045584A1 (fr) * | 2000-12-04 | 2002-06-13 | Hitachi Medical Corporation | Procede de mesure dans un dispositif d'imagerie par resonance magnetique et dispositif d'imagerie par resonance magnetique |
US6459264B1 (en) | 2001-02-22 | 2002-10-01 | Mayo Foundation For Medical Education And Research | Real-time embedded magnetic resonance fluoroscopy |
JP3814157B2 (ja) * | 2001-04-17 | 2006-08-23 | 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 | Mri装置 |
US20030028401A1 (en) * | 2001-07-17 | 2003-02-06 | Leon Kaufman | Customizable lung report generator |
US7130457B2 (en) * | 2001-07-17 | 2006-10-31 | Accuimage Diagnostics Corp. | Systems and graphical user interface for analyzing body images |
US6901277B2 (en) * | 2001-07-17 | 2005-05-31 | Accuimage Diagnostics Corp. | Methods for generating a lung report |
US6845260B2 (en) * | 2001-07-18 | 2005-01-18 | Koninklijke Philips Electronics N.V. | Automatic vessel indentification for angiographic screening |
US6597938B2 (en) | 2001-08-16 | 2003-07-22 | Koninklijke Philips Electronics, N.V. | System for assistance of parameter determination and diagnosis in MRI dynamic uptake studies |
US20030169911A1 (en) * | 2001-12-11 | 2003-09-11 | Snyder Gregory B. | Method and apparatus for processing and displaying images of the arteries and veins |
DE10161925B4 (de) * | 2001-12-17 | 2005-08-18 | Siemens Ag | Verfahren zum Aufnehmen von Magnetresonanzsignalen eines Objekts mittels einer Magnetresonanzanlage und Rekonstruieren eines Bildes anhand der aufgenommenen Magnetresonanzsignale, sowie Computerprogrammprodukt und Magnetresonanzanlage |
US6949271B2 (en) * | 2002-03-07 | 2005-09-27 | Petroferm, Inc. | Dust repellant compositions |
US6683454B2 (en) * | 2002-03-28 | 2004-01-27 | Ge Medical Systems Global Technology Company, Llc | Shifting of artifacts by reordering of k-space |
DE10218515B4 (de) * | 2002-04-25 | 2005-12-29 | Siemens Ag | Verfahren zur Verbesserung des Gefäß-Gewebe-Kontrastes in der Time-of-flight Angiographie einer Magnetresonanz-Tomographie-Messung |
US7623903B2 (en) * | 2002-05-17 | 2009-11-24 | Wacker Frank K | Double contrast technique for MRI-guided vascular interventions |
WO2003103491A1 (ja) * | 2002-06-07 | 2003-12-18 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
DE60327775D1 (de) * | 2002-06-24 | 2009-07-09 | Exiqon As | Methoden und systeme zur detektion und isolation von nucleinsäuresequenzen |
JP3995542B2 (ja) * | 2002-06-28 | 2007-10-24 | 東芝医用システムエンジニアリング株式会社 | 磁気共鳴イメージング装置及び磁気共鳴イメージングのデータ収集方法 |
US6784664B2 (en) * | 2002-12-11 | 2004-08-31 | The Board Of Trustees Of The Leland Stanford Junior University | Fast method for dynamic MR imaging |
JP2006519081A (ja) * | 2003-03-03 | 2006-08-24 | 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 | 磁気共鳴イメージング方法 |
JP2006519677A (ja) * | 2003-03-07 | 2006-08-31 | メイヨ フオンデーシヨン フオー メデイカル エジユケーシヨン アンド リサーチ | 連続的テーブル移動を用いて時間分解mr画像を取得する方法 |
JP4509932B2 (ja) * | 2003-03-14 | 2010-07-21 | 株式会社日立メディコ | 磁気共鳴イメージング装置 |
US7974679B2 (en) * | 2003-06-27 | 2011-07-05 | General Electric Company | Method and apparatus to reduce image intensity variation during MR data acquisition |
US7218106B2 (en) * | 2003-12-04 | 2007-05-15 | Kabushiki Kaisha Toshiba | MRI with automatic contour-controlled separation between RF coil and object being imaged |
JP4434753B2 (ja) * | 2004-01-13 | 2010-03-17 | 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収集データの処理方法 |
US7522744B2 (en) * | 2004-08-31 | 2009-04-21 | University Of Iowa Research Foundation | System and method for adaptive bolus chasing computed tomography (CT) angiography |
JP4699739B2 (ja) * | 2004-10-28 | 2011-06-15 | 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 | Mri装置 |
EP2684521A1 (en) | 2004-11-16 | 2014-01-15 | Medrad Inc. | Modeling of pharmaceutical propagation |
HUE038724T2 (hu) | 2004-11-24 | 2018-11-28 | Bayer Healthcare Llc | Eszközök és összeállítások fluidumbejuttatáshoz |
DE102004060513B4 (de) * | 2004-12-16 | 2011-06-22 | Forschungszentrum Jülich GmbH, 52428 | MR-Bildgebungsverfahren |
US7999543B2 (en) * | 2005-03-23 | 2011-08-16 | Koninklijke Philips Electronics N.V. | MR method for spatially-resolved determination of relaxation parameters |
WO2007037937A1 (en) | 2005-09-22 | 2007-04-05 | Wisconsin Alumni Research Foundation | Reconstruction of images of the beating heart using a highly constrained backprojection |
JP2007125374A (ja) * | 2005-10-05 | 2007-05-24 | Toshiba Corp | 磁気共鳴イメージング装置及び磁気共鳴血管造影方法 |
DE102006017470B4 (de) | 2006-04-13 | 2010-07-22 | Siemens Ag | Verfahren zur Erzeugung von Magnetresonanzbildern und Magnetresonanzanlage hierfür |
JP2008035895A (ja) * | 2006-08-01 | 2008-02-21 | Ziosoft Inc | 画像処理方法および画像処理プログラム |
US7609058B2 (en) | 2006-11-17 | 2009-10-27 | Siemens Medical Solutions Usa, Inc. | Method and apparatus for generating a magnetic resonance data file |
JP2010514506A (ja) * | 2006-12-29 | 2010-05-06 | メドラッド インコーポレーテッド | 薬剤伝搬のモデリング |
EP2097835B1 (en) | 2006-12-29 | 2018-05-30 | Bayer Healthcare LLC | Patient-based parameter generation systems for medical injection procedures |
US7991452B2 (en) * | 2007-01-02 | 2011-08-02 | Wisconsin Alumni Research Foundation | Contrast enhanced MRA with highly constrained backprojection reconstruction using phase contrast composite image |
US8214013B2 (en) * | 2007-01-26 | 2012-07-03 | Mayo Foundation For Medical Education And Research | Accelerated shells trajectory MRI acquisition |
US8219176B2 (en) * | 2007-03-08 | 2012-07-10 | Allegheny-Singer Research Institute | Single coil parallel imaging |
JP2008220861A (ja) | 2007-03-15 | 2008-09-25 | Ge Medical Systems Global Technology Co Llc | 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 |
CN101281241B (zh) * | 2007-04-06 | 2012-06-20 | Ge医疗系统环球技术有限公司 | Mri设备及其控制方法 |
US7541808B2 (en) * | 2007-04-11 | 2009-06-02 | Allegheny-Singer Research Institute | Rapid MRI dynamic imaging using MACH |
US20100201361A1 (en) * | 2007-05-03 | 2010-08-12 | Edelman Robert R | System and method for passive catheter tracking with magnetic resonance imaging |
CN103976736B (zh) * | 2007-07-17 | 2017-01-11 | 拜耳医药保健有限责任公司 | 确定心肺功能评估和输液过程的参数的设备和系统 |
WO2009083866A1 (en) * | 2007-12-20 | 2009-07-09 | Philips Intellectual Property & Standards Gmbh | 3d reconstruction of a body and of a body contour |
US8608484B2 (en) | 2008-03-04 | 2013-12-17 | Medrad, Inc. | Dynamic anthropomorphic cardiovascular phantom |
US8315449B2 (en) * | 2008-06-24 | 2012-11-20 | Medrad, Inc. | Identification of regions of interest and extraction of time value curves in imaging procedures |
US8688193B2 (en) * | 2008-06-26 | 2014-04-01 | Allegheny-Singer Research Institute | Magnetic resonance imager, method and program which continuously applies steady-state free precession to k-space |
JP2012505708A (ja) * | 2008-10-14 | 2012-03-08 | メイヨ フォンデーシヨン フォー メディカル エジュケーション アンド リサーチ | 磁気共鳴イメージング法における到達時刻マッピング法 |
US8131046B2 (en) * | 2008-10-29 | 2012-03-06 | Allegheny-Singer Research Institute | Magnetic resonance imager using cylindrical offset region of excitation, and method |
US9421330B2 (en) * | 2008-11-03 | 2016-08-23 | Bayer Healthcare Llc | Mitigation of contrast-induced nephropathy |
US8022700B2 (en) * | 2008-11-07 | 2011-09-20 | General Electric Company | Method and apparatus for view ordering of magnetic resonance imaging data for dynamic studies |
US20100234721A1 (en) * | 2009-03-11 | 2010-09-16 | Allegheny-Singer Research Institute | Method and MRI for referenceless flow imaging |
DE102009017775A1 (de) * | 2009-04-20 | 2010-12-02 | Siemens Aktiengesellschaft | Verfahren, Magnetresonanzgerät und Computerprogramm zur Anzeige eines Fortschritts einer Akquisition von Messdaten eines Untersuchungsbereichs eines Patienten während einer kontinuierlichen Fahrt des Untersuchungsbereichs durch ein Magnetresonanzgerät |
US8198892B2 (en) * | 2009-04-22 | 2012-06-12 | Allegheny-Singer Research Institute | Steady-state-free-precession (SSFP) magnetic resonance imaging (MRI) and method |
JP4862073B2 (ja) * | 2009-09-14 | 2012-01-25 | 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収集データの処理方法 |
US8405394B2 (en) * | 2009-10-20 | 2013-03-26 | Allegheny-Singer Research Institute | Targeted acquisition using holistic ordering (TACHO) approach for high signal to noise imaging |
WO2011082225A1 (en) | 2010-01-04 | 2011-07-07 | Mayo Foundation For Medical Education And Research | System and method for combined time-resolved magnetic resonance angiography and perfusion imaging |
US20110215805A1 (en) * | 2010-03-03 | 2011-09-08 | Allegheny-Singer Research Institute | MRI and method using multi-slice imaging |
US8653817B2 (en) | 2010-04-02 | 2014-02-18 | General Electric Company | Accelerated pseudo-random data magnetic resonance imaging system and method |
US8441257B2 (en) | 2010-04-27 | 2013-05-14 | Northshore University Healthsystem | Time resolved spin labeled MRI cineangiography |
RU2600892C2 (ru) | 2010-06-24 | 2016-10-27 | Байер Медикэл Кер Инк., | Моделирование распространения фармацевтического препарата и генерирование параметров для инъекционных протоколов |
US8738113B2 (en) | 2010-09-30 | 2014-05-27 | University Of Utah Research Foundation | Retrospectively correlated turbo spin echo imaging |
DE102011005111B4 (de) | 2011-03-04 | 2013-08-22 | Siemens Aktiengesellschaft | Betriebsverfahren für eine Lokalspule mit optimierter Datenübertragung |
RU2014119867A (ru) * | 2011-10-18 | 2015-11-27 | Конинклейке Филипс Н.В. | Магнитно-резонансная (mr) томография с использованием общей информации для изображений с разной контрастностью |
CN103054570B (zh) * | 2011-10-21 | 2014-12-17 | 上海联影医疗科技有限公司 | 一种无造影剂血管快速成像方法 |
CN103163496A (zh) * | 2011-12-12 | 2013-06-19 | 中国科学院深圳先进技术研究院 | 平面回波成像方法及系统 |
US9733167B2 (en) * | 2012-05-04 | 2017-08-15 | University Of Rochester | Method and device for preserving and imaging specimens while retaining information on the spatial orientation of specimens with respect to reference objects |
DK2850418T3 (da) | 2012-05-14 | 2019-05-20 | Bayer Healthcare Llc | Systemer og fremsgangsmåder til bestemmelse af protokoller for farmaceutisk væskeinjektion baseret på røntgenrørsspænding |
CN103513204B (zh) * | 2012-06-29 | 2016-03-30 | 西门子(深圳)磁共振有限公司 | 一种磁共振成像中k空间数据的轨迹校正方法和装置 |
DE102012216711A1 (de) | 2012-09-19 | 2014-02-06 | Siemens Aktiengesellschaft | Erstellung einer Folge von Bilddatensätzen eines in einem Messvolumen einer Magnetresonanzanlage befindlichen Abbildungsgebiets |
US9555379B2 (en) | 2013-03-13 | 2017-01-31 | Bayer Healthcare Llc | Fluid path set with turbulent mixing chamber, backflow compensator |
JP5684329B2 (ja) * | 2013-06-07 | 2015-03-11 | 株式会社東芝 | 磁気共鳴イメージング装置 |
KR101857795B1 (ko) | 2013-12-18 | 2018-05-14 | 삼성전자주식회사 | 자기 공명 영상 장치 및 그 동작방법 |
CN107750338B (zh) | 2015-06-15 | 2020-12-22 | 皇家飞利浦有限公司 | 使用星形叠层采集的mr成像方法和设备 |
JP6548531B2 (ja) * | 2015-09-03 | 2019-07-24 | 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画像処理装置 |
JP6695118B2 (ja) * | 2015-09-30 | 2020-05-20 | 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 | 磁気共鳴装置およびプログラム |
EP3423130A1 (en) | 2016-03-03 | 2019-01-09 | Bayer Healthcare LLC | System and method for improved fluid delivery in multi-fluid injector systems |
US10359493B2 (en) * | 2016-12-30 | 2019-07-23 | General Electric Company | MRI system and method for performing time resolved MR imaging of an object with grouped data acquisition |
EP3675931B1 (en) | 2017-08-31 | 2021-08-11 | Bayer Healthcare LLC | Injector pressure calibration system and method |
EP3676854A1 (en) | 2017-08-31 | 2020-07-08 | Bayer Healthcare LLC | Fluid path impedance assessment for improving fluid delivery performance |
WO2019046267A1 (en) | 2017-08-31 | 2019-03-07 | Bayer Healthcare Llc | SYSTEM AND METHOD FOR VOLUME COMPENSATION OF FLUID INJECTOR SYSTEM |
CN110869071B (zh) | 2017-08-31 | 2023-05-02 | 拜耳医药保健有限公司 | 流体注入器系统中的动态压力控制的方法 |
CN110891630B (zh) | 2017-08-31 | 2022-04-26 | 拜耳医药保健有限公司 | 驱动构件定位和流体注入器系统机械校准的系统和方法 |
US11642172B2 (en) * | 2019-03-05 | 2023-05-09 | Biosense Webster (Israel) Ltd. | Showing catheter in brain |
JP7292930B2 (ja) * | 2019-04-03 | 2023-06-19 | キヤノンメディカルシステムズ株式会社 | 画像再構成方法及び再構成装置 |
KR102272741B1 (ko) * | 2019-07-11 | 2021-07-02 | 가톨릭대학교 산학협력단 | 4차원 자기공명 혈관조영술의 영상정보 후처리를 통한 3차원 감산 동맥조영술과 3차원 감산 정맥조영술 및 4차원 컬러 혈관조영술의 동시 구현 방법과 의료영상 시스템 |
JP2022013362A (ja) * | 2020-07-03 | 2022-01-18 | キヤノンメディカルシステムズ株式会社 | 画像生成装置 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4204225A (en) * | 1978-05-16 | 1980-05-20 | Wisconsin Alumni Research Foundation | Real-time digital X-ray subtraction imaging |
US4204226A (en) * | 1978-05-16 | 1980-05-20 | Wisconsin Alumni Research Foundation | Real-time digital X-ray time interval difference imaging |
JPS56136065A (en) * | 1980-03-27 | 1981-10-23 | Victor Co Of Japan Ltd | Data regenerator |
JPS62139641A (ja) * | 1985-12-16 | 1987-06-23 | 横河メディカルシステム株式会社 | Nmrイメ−ジング装置 |
US4830012A (en) * | 1987-08-14 | 1989-05-16 | Duke University | High speed NMR imaging method and apparatus |
JPH02140145A (ja) * | 1988-11-21 | 1990-05-29 | Toshiba Corp | 磁気共鳴イメージング装置 |
US4918396A (en) * | 1989-04-05 | 1990-04-17 | At&T Bell Laboratories | Monitoring and/or control of optical amplifiers |
US4986272A (en) * | 1989-08-09 | 1991-01-22 | Mayo Foundation For Medical Education And Research | NMR imaging with variable repetition |
JPH0475637A (ja) * | 1990-07-17 | 1992-03-10 | Toshiba Corp | 磁気共鳴映像装置 |
JP3204505B2 (ja) * | 1990-10-12 | 2001-09-04 | 株式会社東芝 | 核磁気共鳴イメージング装置 |
JPH04246327A (ja) * | 1991-01-31 | 1992-09-02 | Shimadzu Corp | ダイナミックmrイメージング法 |
US5204627A (en) * | 1991-03-14 | 1993-04-20 | Wisconsin Alumni Research Foundation | Adaptive NMR angiographic reprojection method |
US5348011A (en) * | 1991-11-14 | 1994-09-20 | Picker International, Inc. | Shared excitation phase encode grouping for improved throughput cardiac gated MRI cine imaging |
US5522390A (en) * | 1991-11-21 | 1996-06-04 | U.S. Philips Corporation | Magnetic resonance imaging method |
US5303706A (en) * | 1992-05-21 | 1994-04-19 | North American Philips Corporation | Directional interpolation for magnetic resonance angiography |
JPH06114030A (ja) * | 1992-09-30 | 1994-04-26 | Shimadzu Corp | Mrイメージング装置 |
DE59406859D1 (de) * | 1993-03-06 | 1998-10-15 | Philips Patentverwaltung | MR-Verfahren zur zwei- oder dreidimensionalen Abbildung eines Untersuchungsbereichs und Anordnung zur Durchführung des Verfahrens |
DE4317028C3 (de) * | 1993-05-21 | 2000-06-29 | Martin Busch | Verfahren zur Akquisition und Auswertung von Daten in einem Kernspin-Tomographen |
JPH06343622A (ja) * | 1993-06-04 | 1994-12-20 | Hitachi Ltd | 核磁気共鳴撮影方法 |
JP3283632B2 (ja) * | 1993-06-04 | 2002-05-20 | 株式会社日立製作所 | 核磁気共鳴装置 |
US5417213A (en) * | 1993-06-07 | 1995-05-23 | Prince; Martin R. | Magnetic resonance arteriography with dynamic intravenous contrast agents |
US5377680A (en) * | 1993-08-04 | 1995-01-03 | General Electric Company | MRI cardiac image produced by temporal data sharing |
US5435303A (en) * | 1993-08-04 | 1995-07-25 | General Electric Company | MRA image produced by temporal flow data sharing |
DE4327325C1 (de) * | 1993-08-13 | 1995-01-12 | Siemens Ag | Verfahren zur zeitaufgelösten MR-Bildgebung |
JPH07325908A (ja) * | 1994-06-01 | 1995-12-12 | Ge Yokogawa Medical Syst Ltd | 投影画像処理方法及び投影画像処理装置 |
US5485086A (en) * | 1994-07-26 | 1996-01-16 | The Board Of Trustees Of The Leland Stanford Junior University | Continuous fluoroscopic MRI using spiral k-space scanning |
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US5713358A (en) | 1998-02-03 |
EP0798566A1 (en) | 1997-10-01 |
DE69709425T2 (de) | 2002-09-12 |
JPH105191A (ja) | 1998-01-13 |
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