CN114867412B - 具有集成的生命体征检测器的rf线圈 - Google Patents

具有集成的生命体征检测器的rf线圈 Download PDF

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Publication number
CN114867412B
CN114867412B CN202080089775.4A CN202080089775A CN114867412B CN 114867412 B CN114867412 B CN 114867412B CN 202080089775 A CN202080089775 A CN 202080089775A CN 114867412 B CN114867412 B CN 114867412B
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CN
China
Prior art keywords
vital sign
transmit
receive coil
sign detector
capacitive
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CN202080089775.4A
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English (en)
Chinese (zh)
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CN114867412A (zh
Inventor
C·G·洛斯勒
D·维尔茨
J·T·塞内加
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Koninklijke Philips NV
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Koninklijke Philips NV
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    • 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
    • A61B5/08—Measuring devices for evaluating the respiratory organs
    • A61B5/0816—Measuring devices for examining respiratory frequency
    • 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
    • A61B5/307—Input circuits therefor specially adapted for particular uses
    • A61B5/308—Input circuits 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
    • A61B5/72—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
    • A61B5/7207—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts
    • A61B5/721—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts using a separate sensor to detect motion or using motion information derived from signals other than the physiological signal to be measured
    • 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
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • 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
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3621—NMR receivers or demodulators, e.g. preamplifiers, means for frequency modulation of the MR signal using a digital down converter, means for analog to digital conversion [ADC] or for filtering or processing of the MR signal such as bandpass filtering, resampling, decimation or interpolation
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A61B2562/0209—Special features of electrodes classified in A61B5/24, A61B5/25, A61B5/283, A61B5/291, A61B5/296, A61B5/053
    • A61B2562/0214—Capacitive electrodes
    • 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
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
    • G01R33/3415—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils comprising arrays of sub-coils, i.e. phased-array coils with flexible receiver channels
    • 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
    • G01R33/56509—Correction of image distortions, e.g. due to magnetic field inhomogeneities due to motion, displacement or flow, e.g. gradient moment nulling

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Physiology (AREA)
  • Pulmonology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Cardiology (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Psychiatry (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Microelectronics & Electronic Packaging (AREA)
CN202080089775.4A 2019-12-23 2020-12-22 具有集成的生命体征检测器的rf线圈 Active CN114867412B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP19219362.1A EP3841972A1 (en) 2019-12-23 2019-12-23 Rf coil with integrated vital signs detector
EP19219362.1 2019-12-23
PCT/EP2020/087584 WO2021130203A1 (en) 2019-12-23 2020-12-22 Rf coil with integrated vital signs detector

Publications (2)

Publication Number Publication Date
CN114867412A CN114867412A (zh) 2022-08-05
CN114867412B true CN114867412B (zh) 2025-03-25

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CN202080089775.4A Active CN114867412B (zh) 2019-12-23 2020-12-22 具有集成的生命体征检测器的rf线圈

Country Status (5)

Country Link
US (1) US11850033B2 (https=)
EP (2) EP3841972A1 (https=)
JP (1) JP7670059B2 (https=)
CN (1) CN114867412B (https=)
WO (1) WO2021130203A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230141400A1 (en) * 2021-11-05 2023-05-11 Zachary Owen Rebro Vitals Monitoring Handcuff Apparatus
EP4253979A1 (en) * 2022-03-28 2023-10-04 Koninklijke Philips N.V. Magnetic resonance receiver coil array with sensor node
EP4684224A1 (en) * 2023-03-22 2026-01-28 Koninklijke Philips N.V. Magnetic resonance receiver coil array with integrated ultrasound transducer
CN116421166B (zh) * 2023-04-25 2026-01-09 北京理工大学 一种感知人体内信号的智能微型机器人及加工方法
EP4481420A1 (en) 2023-06-19 2024-12-25 Koninklijke Philips N.V. Magnetic resonance examination system with an easy to maintain sensor

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105190342A (zh) * 2013-03-13 2015-12-23 皇家飞利浦有限公司 用于磁共振成像的多元件rf发射线圈
CN209673975U (zh) * 2019-01-29 2019-11-22 上海联影医疗科技有限公司 磁共振线圈组件及磁共振系统

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EP0168691A1 (de) * 1984-07-05 1986-01-22 Siemens Aktiengesellschaft Vorrichtung zur berührungslosen Messung von Organbewegungen
JP4072879B2 (ja) * 1998-11-26 2008-04-09 株式会社日立メディコ 核磁気共鳴撮影装置
JP4672119B2 (ja) * 2000-08-11 2011-04-20 株式会社東芝 核磁気共鳴映像装置用高周波コイル及び核磁気共鳴映像装置
US8294588B2 (en) 2006-05-12 2012-10-23 Koninklijke Philips Electronics N.V. Battery system for MRI compatible wireless patient monitor
JP2010522009A (ja) * 2007-03-20 2010-07-01 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 磁気共鳴撮像システム及び方法
JP2009106573A (ja) * 2007-10-31 2009-05-21 Ge Medical Systems Global Technology Co Llc Ｍｒｉ装置
US8903482B2 (en) * 2009-09-14 2014-12-02 Koninklijke Philips N.V. Apparatus and method for non-invasive intracardiac electrocardiography using MPI
WO2011033422A1 (en) * 2009-09-17 2011-03-24 Koninklijke Philips Electronics N.V. Mr imaging system comprising physiological sensors
US9714993B2 (en) * 2013-01-11 2017-07-25 Toshiba Medical Systems Corporation Determination of specific absorption rate (SAR) in magnetic resonance imaging (MRI)
DE102013219117A1 (de) * 2013-09-24 2015-03-26 Siemens Aktiengesellschaft Korrektur von kapazitiv aufgenommenen EKG-Signalen in Verbindung Messungen mit einem medizinischen bildgebenden Untersuchungsgerät
US9320447B2 (en) * 2014-02-07 2016-04-26 Biosense Webster (Israel) Ltd. Dynamic cancellation of MRI sequencing noise appearing in an ECG signal
EP3398510A1 (en) * 2017-05-04 2018-11-07 Koninklijke Philips N.V. System and method for dynamic focusing on the heart and/or lungs by frequency tuning and analysis of impedance phase and/or magnitude variations

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105190342A (zh) * 2013-03-13 2015-12-23 皇家飞利浦有限公司 用于磁共振成像的多元件rf发射线圈
CN209673975U (zh) * 2019-01-29 2019-11-22 上海联影医疗科技有限公司 磁共振线圈组件及磁共振系统

Also Published As

Publication number Publication date
JP2023506912A (ja) 2023-02-20
EP4081111A1 (en) 2022-11-02
EP4081111B1 (en) 2024-03-20
US20230037196A1 (en) 2023-02-02
JP7670059B2 (ja) 2025-04-30
WO2021130203A1 (en) 2021-07-01
US11850033B2 (en) 2023-12-26
CN114867412A (zh) 2022-08-05
EP3841972A1 (en) 2021-06-30

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