BR112015000245A2 - equipamento médico, produto de programa de computador e método de operar um equipamento médico - Google Patents

equipamento médico, produto de programa de computador e método de operar um equipamento médico

Info

Publication number
BR112015000245A2
BR112015000245A2 BR112015000245A BR112015000245A BR112015000245A2 BR 112015000245 A2 BR112015000245 A2 BR 112015000245A2 BR 112015000245 A BR112015000245 A BR 112015000245A BR 112015000245 A BR112015000245 A BR 112015000245A BR 112015000245 A2 BR112015000245 A2 BR 112015000245A2
Authority
BR
Brazil
Prior art keywords
medical equipment
magnetic resonance
radiation force
pulse
processor
Prior art date
Application number
BR112015000245A
Other languages
English (en)
Other versions
BR112015000245A8 (pt
Inventor
Oskar Köhler Max
Original Assignee
Koninklijke Philips Nv
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 Koninklijke Philips Nv filed Critical Koninklijke Philips Nv
Publication of BR112015000245A2 publication Critical patent/BR112015000245A2/pt
Publication of BR112015000245A8 publication Critical patent/BR112015000245A8/pt

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N7/00—Ultrasound therapy
    • A61N7/02—Localised ultrasound hyperthermia
    • 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
    • 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
    • A61B5/7271—Specific aspects of physiological measurement analysis
    • A61B5/7278—Artificial waveform generation or derivation, e.g. synthesising signals from measured signals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/74—Details of notification to user or communication with user or patient ; user input means
    • A61B5/7475—User input or interface means, e.g. keyboard, pointing device, joystick
    • A61B5/748—Selection of a region of interest, e.g. using a graphics tablet
    • 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
    • G01R33/4808—Multimodal MR, e.g. MR combined with positron emission tomography [PET], MR combined with ultrasound or MR combined with computed tomography [CT]
    • G01R33/4814—MR combined with ultrasound
    • 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
    • G01R33/483—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy
    • G01R33/4833—NMR imaging systems with selection of signals or spectra from particular regions of the volume, e.g. in vivo spectroscopy using spatially selective excitation of the volume of interest, e.g. selecting non-orthogonal or inclined slices
    • 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
    • G01R33/543—Control of the operation of the MR system, e.g. setting of acquisition parameters prior to or during MR data acquisition, dynamic shimming, use of one or more scout images for scan plane prescription
    • 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
    • G01R33/5611—Parallel magnetic resonance imaging, e.g. sensitivity encoding [SENSE], simultaneous acquisition of spatial harmonics [SMASH], unaliasing by Fourier encoding of the overlaps using the temporal dimension [UNFOLD], k-t-broad-use linear acquisition speed-up technique [k-t-BLAST], k-t-SENSE
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00773—Sensed parameters
    • A61B2018/00791—Temperature
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/37—Surgical systems with images on a monitor during operation
    • A61B2090/374—NMR or MRI
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2505/00—Evaluating, monitoring or diagnosing in the context of a particular type of medical care
    • A61B2505/05—Surgical care
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
    • A61B5/015—By temperature mapping of body part
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N7/00—Ultrasound therapy
    • A61N2007/0039—Ultrasound therapy using microbubbles
    • 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
    • G01R33/5611—Parallel magnetic resonance imaging, e.g. sensitivity encoding [SENSE], simultaneous acquisition of spatial harmonics [SMASH], unaliasing by Fourier encoding of the overlaps using the temporal dimension [UNFOLD], k-t-broad-use linear acquisition speed-up technique [k-t-BLAST], k-t-SENSE
    • G01R33/5612—Parallel RF transmission, i.e. RF pulse transmission using a plurality of independent transmission channels

Abstract

resumo equipamento médico, produto de programa de computador e método de operar um equipamento médico a invenção provê um equipamento médico (200, 400) compreendendo um sistema de aquisição de imagens por ressonância magnética (202) e um sistema de ultrassom focalizado de alta intensidade (222). um processador (246) controla o equipamento médico. as instruções fazem com que o processador (100) controle o sistema de aquisição de imagens por ressonância magnética para adquirir os dados de ressonância magnética utilizando uma sequência de pulsos (254). a sequência de pulsos compreende uma sequência de pulsos de aquisição de imagem por força de radiação acústica (500, 600). a sequência de pulsos de aquisição de imagem por força de radiação acústica compreende um pulso de excitação (512) e um pulso de gradiente multidimensional (514) aplicado durante o pulso de excitação de radiofrequência para seletivamente excitar uma região de interesse (239) englobando uma zona alvo e pelo menos uma parte do eixo de feixe. as instruções fazem com que o processador controle (102) o sistema de ultrassom focalizado de alta intensidade para sonicar a zona alvo durante a sequência de pulsos de aquisição de imagem por força de radiação acústica e reconstruir (104) uma imagem por força de radiação (258) utilizando os dados de ressonância magnética. 1/1
BR112015000245A 2012-07-09 2013-06-28 Equipamento médico, produto de programa de computador e método de operar um equipamento médico BR112015000245A8 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261669210P 2012-07-09 2012-07-09
PCT/IB2013/055306 WO2014009834A2 (en) 2012-07-09 2013-06-28 Acoustic radiation force magnetic resonance imaging

Publications (2)

Publication Number Publication Date
BR112015000245A2 true BR112015000245A2 (pt) 2017-06-27
BR112015000245A8 BR112015000245A8 (pt) 2018-02-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015000245A BR112015000245A8 (pt) 2012-07-09 2013-06-28 Equipamento médico, produto de programa de computador e método de operar um equipamento médico

Country Status (8)

Country Link
US (1) US10406384B2 (pt)
EP (1) EP2869896B1 (pt)
JP (1) JP6650189B2 (pt)
CN (1) CN104602761B (pt)
BR (1) BR112015000245A8 (pt)
ES (1) ES2727944T3 (pt)
RU (1) RU2642724C2 (pt)
WO (1) WO2014009834A2 (pt)

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WO2014043668A1 (en) * 2012-09-17 2014-03-20 The Johns Hopkins University Non-invasive temperature mapping using temperature-responsive water saturation shift referencing (t-wassr) mri
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CN105796101B (zh) * 2014-12-29 2018-11-20 中国科学院深圳先进技术研究院 基于磁共振声辐射力成像的组织位移测量方法和系统
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CN104688224B (zh) * 2015-03-31 2018-01-02 中国医学科学院生物医学工程研究所 一种应用于声学非均匀媒介磁声耦合成像重建方法
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CN109480844B (zh) * 2018-12-27 2021-04-02 深圳先进技术研究院 组织位移和温度的同步监测方法、装置、设备及存储介质
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Also Published As

Publication number Publication date
US10406384B2 (en) 2019-09-10
EP2869896A2 (en) 2015-05-13
WO2014009834A2 (en) 2014-01-16
JP2015525630A (ja) 2015-09-07
ES2727944T3 (es) 2019-10-21
WO2014009834A3 (en) 2014-03-13
RU2015104053A (ru) 2016-08-27
RU2642724C2 (ru) 2018-01-25
US20150190659A1 (en) 2015-07-09
CN104602761A (zh) 2015-05-06
CN104602761B (zh) 2018-06-12
EP2869896B1 (en) 2019-04-17
JP6650189B2 (ja) 2020-02-19
BR112015000245A8 (pt) 2018-02-06

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Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: PROFOUND MEDICAL INC. (CA)

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements