JP3920140B2 - Ｍｒｉ装置及びフロー定量化装置 - Google Patents

Ｍｒｉ装置及びフロー定量化装置 Download PDF

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JP3920140B2
JP3920140B2 JP2002137697A JP2002137697A JP3920140B2 JP 3920140 B2 JP3920140 B2 JP 3920140B2 JP 2002137697 A JP2002137697 A JP 2002137697A JP 2002137697 A JP2002137697 A JP 2002137697A JP 3920140 B2 JP3920140 B2 JP 3920140B2
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flow
tracer
tissue
blood flow
imaging
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JP2003325472A (ja
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徳典 木村
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Toshiba Corp
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Toshiba Corp
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Priority to CNB031476996A priority patent/CN100337586C/zh
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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
    • G01R33/563—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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/026—Measuring blood flow
    • A61B5/0263—Measuring blood flow using NMR
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Surgery (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Signal Processing (AREA)
  • Physiology (AREA)
  • Cardiology (AREA)
  • Hematology (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Vascular Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2002137697A 2002-05-13 2002-05-13 Ｍｒｉ装置及びフロー定量化装置 Expired - Fee Related JP3920140B2 (ja)

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Application Number Priority Date Filing Date Title
JP2002137697A JP3920140B2 (ja) 2002-05-13 2002-05-13 Ｍｒｉ装置及びフロー定量化装置
US10/435,682 US7627360B2 (en) 2002-05-13 2003-05-12 MRI apparatus, flow quantification apparatus, and flow quantification method for ASL imaging
CNB031476996A CN100337586C (zh) 2002-05-13 2003-05-13 磁共振成像仪、流量量化仪及流量量化方法

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JP2002137697A JP3920140B2 (ja) 2002-05-13 2002-05-13 Ｍｒｉ装置及びフロー定量化装置

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JP2007005541A Division JP2007090115A (ja) 2007-01-15 2007-01-15 フロー定量化装置及びフロー定量化方法

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JP2003325472A5 JP2003325472A5 (https=) 2005-09-29
JP3920140B2 true JP3920140B2 (ja) 2007-05-30

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DE102007028901B4 (de) * 2007-06-22 2010-07-22 Siemens Ag Verfahren und Vorrichtung zur automatischen Bestimmung von Perfusion mittels einer Magnetresonanzanlage
DE102007039454B4 (de) * 2007-08-21 2016-07-28 Siemens Healthcare Gmbh Verfahren zur Quantifizierung der Aufnahme wenigstens eines Radiotracers in einem für eine Positronen-Emissions-Tomograpie-Messung interessierenden Körperbereich eines Patienten
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WO2010108161A2 (en) * 2009-03-19 2010-09-23 The Regents Of The University Of California Multi-phase pseudo-continuing arterial spin labeling
JP5619448B2 (ja) * 2009-08-20 2014-11-05 株式会社東芝 磁気共鳴イメージング装置
JP5683987B2 (ja) * 2010-02-12 2015-03-11 株式会社東芝 磁気共鳴イメージング装置
US8965480B2 (en) * 2010-04-14 2015-02-24 The Regents Of The University Of California Arterial blood flow and transit delay measurement using arterial spin labeling
CN102834055B (zh) * 2010-09-01 2015-04-08 株式会社东芝 医用图像处理装置
US9063204B2 (en) 2011-04-22 2015-06-23 The Regents Of The University Of California Increasing the perfusion signal to noise ratio (SNR) in velocity selective arterial spin labeling (VSASL) in magnetic resonance imaging
WO2012145765A2 (en) 2011-04-22 2012-10-26 The Regents Of The University Of California Mapping vascular perfusion territories using magnetic resonance imaging
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WO2014149722A1 (en) 2013-03-15 2014-09-25 Wake Forest University Health Sciences Vascular territory segmentation using mutual clustering information from image space and label space
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JP6362958B2 (ja) * 2013-09-05 2018-07-25 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
CN105705084B (zh) * 2013-09-20 2019-07-12 国立大学法人旭川医科大学 血管内血流动态的图像处理方法及系统
US9702954B2 (en) * 2014-03-31 2017-07-11 Toshiba Medical Systems Corporation Pseudo-continuous asymmetric signal targeting alternating radio frequency (pASTAR) for magnetic resonance angiography
US20160073910A1 (en) * 2014-09-12 2016-03-17 Northshore University Healthsystem System And Method For Thin Slice Acquisition Using Saturation Spin Labeling (TASSL) MR Angiography
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CN111918607B (zh) * 2018-03-29 2024-03-08 泰尔茂株式会社 人体水分含量的测定装置
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CN112741706B (zh) * 2019-10-29 2024-05-14 北京大学第三医院（北京大学第三临床医学院） 制备扩散源的方法和装置及测量实体组织的细胞外间隙的生理参数的方法
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JP2007090115A (ja) * 2007-01-15 2007-04-12 Toshiba Corp フロー定量化装置及びフロー定量化方法

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US7627360B2 (en) 2009-12-01
US20040030240A1 (en) 2004-02-12
JP2003325472A (ja) 2003-11-18
CN1494871A (zh) 2004-05-12
CN100337586C (zh) 2007-09-19

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