DE602004009052D1 - Verfahren zur simulation einer elektrischen stimulation in einem mrt-system - Google Patents

Verfahren zur simulation einer elektrischen stimulation in einem mrt-system

Info

Publication number
DE602004009052D1
DE602004009052D1 DE602004009052T DE602004009052T DE602004009052D1 DE 602004009052 D1 DE602004009052 D1 DE 602004009052D1 DE 602004009052 T DE602004009052 T DE 602004009052T DE 602004009052 T DE602004009052 T DE 602004009052T DE 602004009052 D1 DE602004009052 D1 DE 602004009052D1
Authority
DE
Germany
Prior art keywords
stimulation
gradient coil
signal
gradient
threshold value
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.)
Expired - Lifetime
Application number
DE602004009052T
Other languages
English (en)
Other versions
DE602004009052T2 (de
Inventor
Paul R Harvey
Jouke Smink
Gerardus N Peeren
Boer Jacob A Den
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics 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 Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE602004009052D1 publication Critical patent/DE602004009052D1/de
Application granted granted Critical
Publication of DE602004009052T2 publication Critical patent/DE602004009052T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A61B5/05—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
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6867—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive specially adapted to be attached or implanted in a specific body part
    • A61B5/6874—Bladder
    • 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
    • A61B5/7235—Details of waveform analysis
    • A61B5/7239—Details of waveform analysis using differentiation including higher order derivatives
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N2/00—Magnetotherapy
    • A61N2/02—Magnetotherapy using magnetic fields produced by coils, including single turn loops or electromagnets

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Medical Informatics (AREA)
  • Public Health (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Urology & Nephrology (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Electrotherapy Devices (AREA)
  • Magnetic Treatment Devices (AREA)
DE602004009052T 2003-04-24 2004-04-22 Verfahren zur simulation einer elektrischen stimulation in einem mrt-system Expired - Lifetime DE602004009052T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03101145 2003-04-24
EP03101145 2003-04-24
PCT/IB2004/050489 WO2004093680A1 (en) 2003-04-24 2004-04-22 Method for simulation of an electric stimulation in an mr imaging system

Publications (2)

Publication Number Publication Date
DE602004009052D1 true DE602004009052D1 (de) 2007-10-31
DE602004009052T2 DE602004009052T2 (de) 2008-06-12

Family

ID=33305805

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004009052T Expired - Lifetime DE602004009052T2 (de) 2003-04-24 2004-04-22 Verfahren zur simulation einer elektrischen stimulation in einem mrt-system

Country Status (6)

Country Link
US (1) US7412278B2 (de)
EP (1) EP1620008B1 (de)
JP (1) JP4538450B2 (de)
AT (1) ATE373445T1 (de)
DE (1) DE602004009052T2 (de)
WO (1) WO2004093680A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7818273B2 (en) * 2007-09-18 2010-10-19 International Business Machines Corporation System and method for cortical simulation
US20110118587A1 (en) * 2008-03-04 2011-05-19 Roemer Peter B Optimization of rf transmit and gradient magnetic field imaging using radio frequency and gradient coils
JP5518403B2 (ja) * 2008-09-09 2014-06-11 株式会社東芝 磁気共鳴イメージング装置及び磁気共鳴イメージング方法
US8030920B2 (en) * 2009-06-03 2011-10-04 General Electric Company Method and system for modifying pulse sequences
CN102109586B (zh) * 2009-12-23 2015-02-11 Ge医疗系统环球技术有限公司 磁共振梯度脉冲波设计方法及其装置
CN104345288B (zh) * 2013-07-31 2018-01-16 上海联影医疗科技有限公司 磁共振梯度场刺激水平计算方法、装置及控制方法、系统
DE102014202183A1 (de) 2014-02-06 2015-08-06 Siemens Aktiengesellschaft Verfahren zum Anpassen von bei der Ansteuerung eines Magnetresonanzsystems verwendeten Ansteuerparametern zum Erzeugen einer Pulssequenz und entsprechende Vorrichtung
WO2016180934A1 (en) * 2015-05-12 2016-11-17 Umc Utrecht Holding B.V. Asymmetric balanced waveform for ac cardiac irreversible electroporation
DE102016202062A1 (de) 2016-02-11 2017-08-17 Siemens Healthcare Gmbh Überprüfung von Vorgaben für Magnetresonanzuntersuchungen, insbesondere von Implantat-Trägern
DE102016203254B4 (de) * 2016-02-29 2019-06-27 Siemens Healthcare Gmbh Berechnung von Stimulationswerten in der MRT
DE102016217223A1 (de) * 2016-09-09 2018-03-15 Siemens Healthcare Gmbh Überprüfung einer zeitlichen Änderung eines Magnetfeldes in einer Magnetresonanzvorrichtung
EP3770623A1 (de) 2019-07-24 2021-01-27 Siemens Healthcare GmbH Verfahren zur steuerung von patientenstimulierungseffekten bei der magnetresonanzbildgebung, zugehöriges computerprogramm und computerlesbares speichermedium und magnetresonanzbildgebungsvorrichtung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6169403B1 (en) * 1998-04-29 2001-01-02 Siemens Aktiengesellschaft Method and MR device for simulating electrical simulations in a subject by MR stimulation
DE10010899C1 (de) * 2000-03-06 2001-09-06 Siemens Ag Verfahren und Vorrichtung zur Steigerung der Leistungsfähigkeit von Magnetresonanz-Tomographieanlagen

Also Published As

Publication number Publication date
DE602004009052T2 (de) 2008-06-12
ATE373445T1 (de) 2007-10-15
EP1620008A1 (de) 2006-02-01
WO2004093680A1 (en) 2004-11-04
JP2006524089A (ja) 2006-10-26
EP1620008B1 (de) 2007-09-19
US20070010737A1 (en) 2007-01-11
US7412278B2 (en) 2008-08-12
JP4538450B2 (ja) 2010-09-08

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8364 No opposition during term of opposition