IT1289809B1 - Procedimento e sistema automatico per ottenere mappe di contenuto d'acqua e/o di permettivita'elettrica da immagini di risonanza - Google Patents

Procedimento e sistema automatico per ottenere mappe di contenuto d'acqua e/o di permettivita'elettrica da immagini di risonanza

Info

Publication number
IT1289809B1
IT1289809B1 IT96TO001089A ITTO961089A IT1289809B1 IT 1289809 B1 IT1289809 B1 IT 1289809B1 IT 96TO001089 A IT96TO001089 A IT 96TO001089A IT TO961089 A ITTO961089 A IT TO961089A IT 1289809 B1 IT1289809 B1 IT 1289809B1
Authority
IT
Italy
Prior art keywords
maps
water content
automatic system
obtain water
resonance images
Prior art date
Application number
IT96TO001089A
Other languages
English (en)
Inventor
Paolo Farace
Rolando Pontalti
Luca Cristoforetti
Marina Scarpa
Renzo Antolini
Original Assignee
Ist Trentino Di Cultura
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 Ist Trentino Di Cultura filed Critical Ist Trentino Di Cultura
Priority to IT96TO001089A priority Critical patent/IT1289809B1/it
Priority to EP97122635A priority patent/EP0851236A1/en
Priority to US08/998,947 priority patent/US5995863A/en
Publication of ITTO961089A1 publication Critical patent/ITTO961089A1/it
Application granted granted Critical
Publication of IT1289809B1 publication Critical patent/IT1289809B1/it

Links

Classifications

    • 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
    • G01R33/4804—Spatially selective measurement of temperature or pH
    • 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
    • G01R33/4828—Resolving the MR signals of different chemical species, e.g. water-fat imaging

Landscapes

  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
IT96TO001089A 1996-12-27 1996-12-27 Procedimento e sistema automatico per ottenere mappe di contenuto d'acqua e/o di permettivita'elettrica da immagini di risonanza IT1289809B1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT96TO001089A IT1289809B1 (it) 1996-12-27 1996-12-27 Procedimento e sistema automatico per ottenere mappe di contenuto d'acqua e/o di permettivita'elettrica da immagini di risonanza
EP97122635A EP0851236A1 (en) 1996-12-27 1997-12-22 A method and an automatic system for obtaining water-content and/or electric-permittivity maps from magnetic resonance images
US08/998,947 US5995863A (en) 1996-12-27 1997-12-29 Method and an automatic system for obtaining water content and electric-permittivity maps from magnetic resonance images

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT96TO001089A IT1289809B1 (it) 1996-12-27 1996-12-27 Procedimento e sistema automatico per ottenere mappe di contenuto d'acqua e/o di permettivita'elettrica da immagini di risonanza

Publications (2)

Publication Number Publication Date
ITTO961089A1 ITTO961089A1 (it) 1998-06-27
IT1289809B1 true IT1289809B1 (it) 1998-10-16

Family

ID=11415162

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96TO001089A IT1289809B1 (it) 1996-12-27 1996-12-27 Procedimento e sistema automatico per ottenere mappe di contenuto d'acqua e/o di permettivita'elettrica da immagini di risonanza

Country Status (3)

Country Link
US (1) US5995863A (it)
EP (1) EP0851236A1 (it)
IT (1) IT1289809B1 (it)

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US7006866B1 (en) * 1997-11-07 2006-02-28 Siemens Aktiengesellschaft Arrangement for predicting an abnormality of a system and for carrying out an action which counteracts the abnormality
US6408204B1 (en) 1999-07-28 2002-06-18 Medrad, Inc. Apparatuses and methods for extravasation detection
US6603989B1 (en) * 2000-03-21 2003-08-05 Dmitriy A. Yablonskiy T2 contrast in magnetic resonance imaging with gradient echoes
US20020016543A1 (en) * 2000-04-06 2002-02-07 Tyler Jenny A. Method for diagnosis of and prognosis for damaged tissue
US7047058B1 (en) 2001-02-06 2006-05-16 Medrad, Inc. Apparatuses, systems and methods for extravasation detection
AUPR554301A0 (en) * 2001-06-07 2001-07-12 Howard Florey Institute Of Experimental Physiology And Medicine A map of a property
EP1414339B1 (en) 2001-07-26 2006-10-25 Medrad Inc. Electromagnetic sensors for biological tissue applications
US7122012B2 (en) * 2001-07-26 2006-10-17 Medrad, Inc. Detection of fluids in tissue
US6603990B2 (en) 2001-08-10 2003-08-05 Toshiba America Mri, Inc. Separation and identification of water and fat MR images at mid-field strength with reduced T2/T2* weighting
US6690166B2 (en) 2001-09-26 2004-02-10 Southwest Research Institute Nuclear magnetic resonance technology for non-invasive characterization of bone porosity and pore size distributions
CA2530298A1 (en) * 2003-06-30 2005-01-20 Board Of Regents, The University Of Texas System Methods and apparatuses for fast chemical shift magnetic resonance imaging
US8295920B2 (en) * 2003-10-24 2012-10-23 Medrad, Inc. System for detecting fluid changes and sensoring devices therefor
US20050215882A1 (en) * 2004-03-23 2005-09-29 The Regents Of The University Of Michigan Noninvasive method to determine fat content of tissues using MRI
US8054075B2 (en) * 2005-02-03 2011-11-08 The Johns Hopkins University Method for magnetic resonance imaging using inversion recovery with on-resonant water suppression including MRI systems and software embodying same
US7471085B2 (en) * 2005-04-29 2008-12-30 Koninklijke Philips Electronics N.V. Determination of relaxation rate changes for MR molecular imaging
US9307925B2 (en) 2005-06-16 2016-04-12 Aaken Laboratories Methods and systems for generating electrical property maps of biological structures
EP2194871B1 (en) 2007-09-05 2016-08-17 Sensible Medical Innovations Ltd. Method and system for monitoring thoracic tissue fluid
US9572511B2 (en) 2007-09-05 2017-02-21 Sensible Medical Innovations Ltd. Methods and systems for monitoring intrabody tissues
EP3112890A1 (en) 2008-04-17 2017-01-04 Advanced MR Analytics AB Improved magnetic resonance images
US10667715B2 (en) 2008-08-20 2020-06-02 Sensible Medical Innovations Ltd. Methods and devices of cardiac tissue monitoring and analysis
US8907682B2 (en) 2009-07-30 2014-12-09 Sensible Medical Innovations Ltd. System and method for calibration of measurements of interacted EM signals in real time
US8310234B2 (en) * 2010-03-17 2012-11-13 Siemens Medical Solutions Usa, Inc. System for fat suppression in MR image acquisition
EP2750595B1 (en) 2011-09-02 2021-02-24 Battelle Memorial Institute Wireless and power-source-free extravasation and infiltration detection sensor
US9069998B2 (en) * 2012-10-15 2015-06-30 General Electric Company Determining electrical properties of tissue using magnetic resonance imaging and least squared estimate
US9513354B2 (en) 2012-10-15 2016-12-06 General Electric Company Determining electrical properties of tissue using complex magnetic resonance images
US9386936B2 (en) 2013-03-13 2016-07-12 Ellumen, Inc. Distributed microwave image processing system and method
EP3060934B1 (en) * 2013-10-22 2022-10-05 Koninklijke Philips N.V. Mri with improved segmentation in the presence of susceptibility artifacts
US9111334B2 (en) 2013-11-01 2015-08-18 Ellumen, Inc. Dielectric encoding of medical images
US9645214B2 (en) * 2013-11-27 2017-05-09 General Electric Company Systems and methods for determining electrical properties using magnetic resonance imaging
EP3248023A1 (en) 2015-01-21 2017-11-29 Koninklijke Philips N.V. Mri method for calculating derived values from b0 and b1 maps
KR101623310B1 (ko) 2015-06-18 2016-05-20 경희대학교 산학협력단 자기공명을 이용한 전기 물성 촬영 장치 및 그 방법
US9869641B2 (en) 2016-04-08 2018-01-16 Ellumen, Inc. Microwave imaging device
EP3361276A1 (en) 2017-02-14 2018-08-15 Koninklijke Philips N.V. A bridge member for a magnetic resonance examination system
CN109091144A (zh) * 2018-06-22 2018-12-28 苏州迈磁瑞医疗科技有限公司 一种非接触的脑水肿中脑组织含水量发展的监测系统
CN109498016A (zh) * 2018-12-10 2019-03-22 华南理工大学 一种磁共振电特性断层成像方法
EP3709263B1 (en) * 2019-03-14 2024-08-07 Siemens Healthineers AG Method and system for monitoring a biological process

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US4554925A (en) * 1982-07-07 1985-11-26 Picker International, Ltd. Nuclear magnetic resonance imaging method
US4661775A (en) * 1985-07-15 1987-04-28 Technicare Corporation Chemical shift imaging with field inhomogeneity correction
US5144235A (en) * 1990-08-10 1992-09-01 General Electric Company Method of decomposing nmr images by chemical species
US5228443A (en) * 1992-03-27 1993-07-20 General Electric Company Method for estimation and display of current source distribution from electric and magnetic measurements and 3D anatomical data
US5361763A (en) * 1993-03-02 1994-11-08 Wisconsin Alumni Research Foundation Method for segmenting features in an image
US5841288A (en) * 1996-02-12 1998-11-24 Microwave Imaging System Technologies, Inc. Two-dimensional microwave imaging apparatus and methods

Also Published As

Publication number Publication date
US5995863A (en) 1999-11-30
ITTO961089A1 (it) 1998-06-27
EP0851236A1 (en) 1998-07-01

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