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EP3160340A4 - Method of measuring blood flow velocity performed by medical imaging apparatus, and the medical imaging apparatus - Google Patents

Method of measuring blood flow velocity performed by medical imaging apparatus, and the medical imaging apparatus Download PDF

Info

Publication number
EP3160340A4
EP3160340A4 EP15814993.0A EP15814993A EP3160340A4 EP 3160340 A4 EP3160340 A4 EP 3160340A4 EP 15814993 A EP15814993 A EP 15814993A EP 3160340 A4 EP3160340 A4 EP 3160340A4
Authority
EP
European Patent Office
Prior art keywords
imaging apparatus
medical imaging
blood flow
flow velocity
measuring blood
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.)
Withdrawn
Application number
EP15814993.0A
Other languages
German (de)
French (fr)
Other versions
EP3160340A1 (en
Inventor
Hyun-Wook Park
Joon-Sung CHOI
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Korea Advanced Institute of Science and Technology KAIST
Original Assignee
Samsung Electronics Co Ltd
Korea Advanced Institute of Science and Technology KAIST
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Samsung Electronics Co Ltd, Korea Advanced Institute of Science and Technology KAIST filed Critical Samsung Electronics Co Ltd
Priority claimed from PCT/KR2015/005239 external-priority patent/WO2016003070A1/en
Publication of EP3160340A1 publication Critical patent/EP3160340A1/en
Publication of EP3160340A4 publication Critical patent/EP3160340A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
    • 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
    • A61B5/05—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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10072—Tomographic images
    • G06T2207/10088—Magnetic resonance imaging [MRI]
    • G06T2207/10096—Dynamic contrast-enhanced magnetic resonance imaging [DCE-MRI]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing
    • G06T2207/30101—Blood vessel; Artery; Vein; Vascular
    • G06T2207/30104—Vascular flow; Blood flow; Perfusion

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Pathology (AREA)
  • Physiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Signal Processing (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Hematology (AREA)
  • Cardiology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Psychiatry (AREA)
  • Vascular Medicine (AREA)
  • Radiology & Medical Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
EP15814993.0A 2014-06-30 2015-05-26 Method of measuring blood flow velocity performed by medical imaging apparatus, and the medical imaging apparatus Withdrawn EP3160340A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201462018757P 2014-06-30 2014-06-30
KR1020140109963A KR101601011B1 (en) 2014-06-30 2014-08-22 Blood Flow Velocity Measuring Method for the Medical Imaging Apparatus and the Medical Imaging Apparatus Thereof
PCT/KR2015/005239 WO2016003070A1 (en) 2014-06-30 2015-05-26 Method of measuring blood flow velocity performed by medical imaging apparatus, and the medical imaging apparatus

Publications (2)

Publication Number Publication Date
EP3160340A1 EP3160340A1 (en) 2017-05-03
EP3160340A4 true EP3160340A4 (en) 2018-04-04

Family

ID=55168975

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15814993.0A Withdrawn EP3160340A4 (en) 2014-06-30 2015-05-26 Method of measuring blood flow velocity performed by medical imaging apparatus, and the medical imaging apparatus

Country Status (2)

Country Link
EP (1) EP3160340A4 (en)
KR (1) KR101601011B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101958093B1 (en) * 2017-07-03 2019-03-13 성균관대학교산학협력단 Magnet resonance imaging device and method for generating blood imaging thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4609872A (en) * 1984-08-10 1986-09-02 General Electric Company NMR multiple-echo phase-contrast blood flow imaging
US5225779A (en) * 1991-08-28 1993-07-06 Ihc Hospitals, Inc. Hybrid magnetic aresonance spatial and velocity imaging
US20090161934A1 (en) * 2007-11-30 2009-06-25 Meide Zhao Automatic generation of protocol for pcmr imaging

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07265277A (en) * 1994-03-29 1995-10-17 Ge Yokogawa Medical Syst Ltd Mr bloodstream information collecting method and mri device
WO2005032339A2 (en) * 2003-09-29 2005-04-14 Dvx, Llc Vessel flow monitoring system and method
WO2013110929A1 (en) * 2012-01-26 2013-08-01 King's College London Aortic pulse wave velocity measurement
US10405772B2 (en) * 2012-09-18 2019-09-10 Wisconsin Alumni Research Foundation, Inc. Magnetic resonance angiography and venography

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4609872A (en) * 1984-08-10 1986-09-02 General Electric Company NMR multiple-echo phase-contrast blood flow imaging
US5225779A (en) * 1991-08-28 1993-07-06 Ihc Hospitals, Inc. Hybrid magnetic aresonance spatial and velocity imaging
US20090161934A1 (en) * 2007-11-30 2009-06-25 Meide Zhao Automatic generation of protocol for pcmr imaging

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2016003070A1 *

Also Published As

Publication number Publication date
EP3160340A1 (en) 2017-05-03
KR101601011B1 (en) 2016-03-08
KR20160002294A (en) 2016-01-07

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 20170109

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20180302

RIC1 Information provided on ipc code assigned before grant

Ipc: G01R 33/563 20060101ALI20180226BHEP

Ipc: A61B 5/026 20060101ALI20180226BHEP

Ipc: A61B 5/00 20060101ALI20180226BHEP

Ipc: A61B 5/055 20060101AFI20180226BHEP

RIC1 Information provided on ipc code assigned before grant

Ipc: A61B 5/055 20060101AFI20191220BHEP

Ipc: A61B 5/00 20060101ALI20191220BHEP

Ipc: G01R 33/563 20060101ALI20191220BHEP

Ipc: A61B 5/026 20060101ALI20191220BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20200213

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20200624