BR112014028907A2 - circuito para uso em um sistema de ressonância magnética (mr) para reduzir a interferência mr de um sinal fisiológico s(f); sistema eletrocardiográfico; e método para uso em um sistema mr para reduzir a interferência mr de um sinal fisiológico s(f) - Google Patents

circuito para uso em um sistema de ressonância magnética (mr) para reduzir a interferência mr de um sinal fisiológico s(f); sistema eletrocardiográfico; e método para uso em um sistema mr para reduzir a interferência mr de um sinal fisiológico s(f)

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Publication number
BR112014028907A2
BR112014028907A2 BR112014028907A BR112014028907A BR112014028907A2 BR 112014028907 A2 BR112014028907 A2 BR 112014028907A2 BR 112014028907 A BR112014028907 A BR 112014028907A BR 112014028907 A BR112014028907 A BR 112014028907A BR 112014028907 A2 BR112014028907 A2 BR 112014028907A2
Authority
BR
Brazil
Prior art keywords
signal
interference
reduce
physiological signal
magnetic resonance
Prior art date
Application number
BR112014028907A
Other languages
English (en)
Portuguese (pt)
Inventor
Lis Bernard
Mario Rey Eduardo
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 BR112014028907A2 publication Critical patent/BR112014028907A2/pt

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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
    • A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
    • 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
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/25—Bioelectric electrodes therefor
    • A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
    • A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/30—Input circuits therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/321—Accessories or supplementary instruments therefor, e.g. cord hangers
    • 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
    • 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
    • A61B5/7225—Details of analogue processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation
    • 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
    • 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
    • G01R33/567—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution gated by physiological signals, i.e. synchronization of acquired MR data with periodical motion of an object of interest, e.g. monitoring or triggering system for cardiac or respiratory gating
    • G01R33/5673—Gating or triggering based on a physiological signal other than an MR signal, e.g. ECG gating or motion monitoring using optical systems for monitoring the motion of a fiducial marker

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Physiology (AREA)
  • Signal Processing (AREA)
  • Cardiology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Psychiatry (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Radiology & Medical Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Pulmonology (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
BR112014028907A 2012-05-24 2013-05-15 circuito para uso em um sistema de ressonância magnética (mr) para reduzir a interferência mr de um sinal fisiológico s(f); sistema eletrocardiográfico; e método para uso em um sistema mr para reduzir a interferência mr de um sinal fisiológico s(f) BR112014028907A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261651173P 2012-05-24 2012-05-24
PCT/IB2013/053947 WO2013175349A2 (en) 2012-05-24 2013-05-15 Reduction of mri interference from the electrocardiogram using lead information

Publications (1)

Publication Number Publication Date
BR112014028907A2 true BR112014028907A2 (pt) 2017-06-27

Family

ID=48782556

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014028907A BR112014028907A2 (pt) 2012-05-24 2013-05-15 circuito para uso em um sistema de ressonância magnética (mr) para reduzir a interferência mr de um sinal fisiológico s(f); sistema eletrocardiográfico; e método para uso em um sistema mr para reduzir a interferência mr de um sinal fisiológico s(f)

Country Status (6)

Country Link
US (1) US10231671B2 (https=)
EP (1) EP2854630B1 (https=)
JP (1) JP6195613B2 (https=)
CN (1) CN104334078B (https=)
BR (1) BR112014028907A2 (https=)
WO (1) WO2013175349A2 (https=)

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US10945653B2 (en) * 2015-06-12 2021-03-16 Koninklijke Philips N.V. Surface electromyography system, recorder and method
DE102016223478B4 (de) * 2016-11-25 2025-11-20 Siemens Healthineers Ag Verfahren und System zum Ermitteln von Magnetresonanzbilddaten in Abhängigkeit von physiologischen Signalen
DE102019207672B4 (de) * 2019-05-24 2023-11-09 Siemens Healthcare Gmbh Reduktion von magnetfeldinduzierten Störungen bei der Messung von bioelektrischen Signalen
US11259751B2 (en) * 2019-07-22 2022-03-01 Biosense Webster (Isreal) Ltd. Recording apparatus and method for noise reduction
CN111067523A (zh) * 2019-12-25 2020-04-28 东软医疗系统股份有限公司 门控装置及其控制方法、装置、医疗设备系统
CN111973172B (zh) * 2020-08-28 2021-10-08 北京航空航天大学 一种基于mcg和ecg融合的心脏结构成像系统及方法
DE102022200550B3 (de) * 2022-01-18 2023-04-27 Siemens Healthcare Gmbh Elektrokardiographie-Gerät ausgebildet zur Verwendung in Kombination mit einem Magnetresonanzgerät sowie Magnetresonanzgerät umfassend das Elektrokardiographie-Gerät
CN115590496A (zh) * 2022-09-09 2023-01-13 深圳市联影高端医疗装备创新研究院（Cn） 基于前瞻性磁共振心电门控的心电信号处理方法和装置
DE102023200140B3 (de) 2023-01-10 2024-06-13 Bruker Biospin Gmbh Schaltungsanordnung zum Korrigieren eines Eingangssignals, Verwendung der Schaltungsanordnung zur Erfassung eines physiologischen Signals in einem Magnetresonanz-(MR)-System
CN119805321B (zh) * 2024-12-13 2025-12-26 深圳市科曼医疗设备有限公司 心电信号的梯度磁场抑制方法、系统、存储介质及设备

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US4991580A (en) * 1989-03-30 1991-02-12 Invivo Research, Inc. Method of improving the quality of an electrocardiogram obtained from a patient undergoing magnetic resonance imaging
CA2042271A1 (en) * 1990-08-06 1992-02-07 Kevin Scott Kreger Bio-potential signal processor for magnetic resonance imaging
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Also Published As

Publication number Publication date
WO2013175349A2 (en) 2013-11-28
EP2854630B1 (en) 2017-07-12
CN104334078B (zh) 2016-12-21
JP2015520649A (ja) 2015-07-23
WO2013175349A3 (en) 2014-03-06
US10231671B2 (en) 2019-03-19
EP2854630A2 (en) 2015-04-08
JP6195613B2 (ja) 2017-09-13
US20150094561A1 (en) 2015-04-02
CN104334078A (zh) 2015-02-04

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Legal Events

Date Code Title Description
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