BR112015018553A2 - aparelho médico, método para controle de um aparelho médico e produto de programa de computador contendo instruções executáveis por máquina operáveis - Google Patents

aparelho médico, método para controle de um aparelho médico e produto de programa de computador contendo instruções executáveis por máquina operáveis

Info

Publication number
BR112015018553A2
BR112015018553A2 BR112015018553A BR112015018553A BR112015018553A2 BR 112015018553 A2 BR112015018553 A2 BR 112015018553A2 BR 112015018553 A BR112015018553 A BR 112015018553A BR 112015018553 A BR112015018553 A BR 112015018553A BR 112015018553 A2 BR112015018553 A2 BR 112015018553A2
Authority
BR
Brazil
Prior art keywords
medical device
magnetic
executable instructions
machine executable
computer program
Prior art date
Application number
BR112015018553A
Other languages
English (en)
Inventor
Uhlemann Falk
Adrianus Overweg Johannes
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 BR112015018553A2 publication Critical patent/BR112015018553A2/pt

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
    • G01R33/4808—Multimodal MR, e.g. MR combined with positron emission tomography [PET], MR combined with ultrasound or MR combined with computed tomography [CT]
    • 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
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/103—Treatment planning systems
    • A61N5/1039—Treatment planning systems using functional images, e.g. PET or MRI
    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/30—Sample handling arrangements, e.g. sample cells, spinning mechanisms
    • G01R33/307—Sample handling arrangements, e.g. sample cells, spinning mechanisms specially adapted for moving the sample relative to the MR system, e.g. spinning mechanisms, flow cells or means for positioning the sample inside a spectrometer
    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/387—Compensation of inhomogeneities
    • G01R33/3875—Compensation of inhomogeneities using correction coil assemblies, e.g. active shimming
    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/389—Field stabilisation, e.g. by field measurements and control means or indirectly by current stabilisation
    • 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
    • G01R33/56375—Intentional motion of the sample during MR, e.g. moving table imaging
    • G01R33/56383—Intentional motion of the sample during MR, e.g. moving table imaging involving motion of the sample as a whole, e.g. multistation MR or MR with continuous table motion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1048—Monitoring, verifying, controlling systems and methods
    • A61N5/1049—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
    • A61N2005/1055—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam using magnetic resonance imaging [MRI]
    • 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]
    • G01R33/4812—MR combined with X-ray or computed tomography [CT]
    • 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
    • G01R33/565—Correction of image distortions, e.g. due to magnetic field inhomogeneities
    • G01R33/56563—Correction of image distortions, e.g. due to magnetic field inhomogeneities caused by a distortion of the main magnetic field B0, e.g. temporal variation of the magnitude or spatial inhomogeneity of B0

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Pathology (AREA)
  • Theoretical Computer Science (AREA)
  • Pulmonology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Signal Processing (AREA)
  • Vascular Medicine (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Radiation-Therapy Devices (AREA)

Abstract

resumo aparelho médico, método para controle de um aparelho médico e produto de programa de computador contendo instruções executáveis por máquina operáveis a invenção fornece um aparelho médico (300, 400, 500) que compreende: um sistema de imageamento por ressonância magnética (306); bobinas de compensação magnética (334, 335) para compensar as inomogeneidades magnéticas dentro da zona de imageamento; um pórtico (308) operável para girar ao redor da zona de imageamento; um sensor de posição (312) para medir a posição angular do pórtico; ao menos um componente de distorção do campo magnético (310, 510, 512) no pórtico, uma memória (362) armazenando instruções executáveis da máquina (380, 382, 410, 530, 532) e dados de correção do campo (372). as instruções fazem com que o processador: receba (100, 200) os dados da posição do sensor de posição; determine (102, 202) os comandos de controle da bobina (374) para controlar as bobinas de compensação magnética com o uso de dados de correção do campo e dados de posição; controle (104, 204) as bobinas de compensação magnética para compensar as inomogeneidades magnéticas dentro da zona de imageamento com o uso dos comandos de controle da bobina e capture (106, 212) os dados de ressonância magnética. 1/1
BR112015018553A 2013-02-06 2014-01-16 aparelho médico, método para controle de um aparelho médico e produto de programa de computador contendo instruções executáveis por máquina operáveis BR112015018553A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP13154203 2013-02-06
PCT/EP2014/050743 WO2014121991A1 (en) 2013-02-06 2014-01-16 Active compensation for field distorting components in a magnetic resonance imaging system with a gantry

Publications (1)

Publication Number Publication Date
BR112015018553A2 true BR112015018553A2 (pt) 2017-07-18

Family

ID=47747406

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015018553A BR112015018553A2 (pt) 2013-02-06 2014-01-16 aparelho médico, método para controle de um aparelho médico e produto de programa de computador contendo instruções executáveis por máquina operáveis

Country Status (7)

Country Link
US (1) US10324148B2 (pt)
EP (1) EP2954343A1 (pt)
JP (1) JP6072300B2 (pt)
CN (1) CN105051562B (pt)
BR (1) BR112015018553A2 (pt)
RU (1) RU2015137718A (pt)
WO (1) WO2014121991A1 (pt)

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CN108761364B (zh) * 2018-05-21 2020-06-05 上海健康医学院 一种核磁共振弛豫分析仪锁场系统及其应用方法
EP3581955A1 (en) 2018-06-12 2019-12-18 Koninklijke Philips N.V. Determination of higher order terms of the three-dimensional impulse response function of the magnetic field gradient system of a magnetic resonance imaging system
CN109847195A (zh) * 2018-12-29 2019-06-07 佛山瑞加图医疗科技有限公司 用于磁共振引导的放疗系统的磁场补偿系统和方法
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Also Published As

Publication number Publication date
CN105051562B (zh) 2019-03-01
CN105051562A (zh) 2015-11-11
RU2015137718A (ru) 2017-03-14
WO2014121991A1 (en) 2014-08-14
EP2954343A1 (en) 2015-12-16
US10324148B2 (en) 2019-06-18
JP2016510225A (ja) 2016-04-07
JP6072300B2 (ja) 2017-02-01
US20160011288A1 (en) 2016-01-14

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B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]