JP3712350B2 - 心室遅延電位の心臓磁界診断装置およびその作動方法 - Google Patents

心室遅延電位の心臓磁界診断装置およびその作動方法 Download PDF

Info

Publication number
JP3712350B2
JP3712350B2 JP2000217835A JP2000217835A JP3712350B2 JP 3712350 B2 JP3712350 B2 JP 3712350B2 JP 2000217835 A JP2000217835 A JP 2000217835A JP 2000217835 A JP2000217835 A JP 2000217835A JP 3712350 B2 JP3712350 B2 JP 3712350B2
Authority
JP
Japan
Prior art keywords
magnetic field
data
excitation
myocardium
intramyocardial
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 - Fee Related
Application number
JP2000217835A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002028145A5 (enExample
JP2002028145A (ja
Inventor
賢司 中居
正人 吉澤
浩平 川副
慶太 山崎
智 藤田
逸朗 田村
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.)
Takenaka Corp
Japan Science and Technology Agency
National Institute of Japan Science and Technology Agency
Original Assignee
Takenaka Corp
Japan Science and Technology Agency
National Institute of Japan Science and Technology Agency
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 Takenaka Corp, Japan Science and Technology Agency, National Institute of Japan Science and Technology Agency filed Critical Takenaka Corp
Priority to JP2000217835A priority Critical patent/JP3712350B2/ja
Priority to EP01950019A priority patent/EP1302161A4/en
Priority to PCT/JP2001/006194 priority patent/WO2002005715A1/ja
Priority to AU2001271070A priority patent/AU2001271070A1/en
Priority to US10/333,056 priority patent/US6941165B2/en
Publication of JP2002028145A publication Critical patent/JP2002028145A/ja
Publication of JP2002028145A5 publication Critical patent/JP2002028145A5/ja
Application granted granted Critical
Publication of JP3712350B2 publication Critical patent/JP3712350B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/032—Transmission 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
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/242—Detecting biomagnetic fields, e.g. magnetic fields produced by bioelectric currents
    • A61B5/243—Detecting biomagnetic fields, e.g. magnetic fields produced by bioelectric currents specially adapted for magnetocardiographic [MCG] signals
    • 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]
    • A61B5/346—Analysis of electrocardiograms
    • A61B5/349—Detecting specific parameters of the electrocardiograph cycle
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
    • A61B6/03—Computed tomography [CT]
    • A61B6/037—Emission tomography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
    • A61B6/503—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of the heart
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5211—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data
    • A61B6/5229—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image
    • A61B6/5235—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image combining images from the same or different ionising radiation imaging techniques, e.g. PET and CT
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
    • A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
    • A61B6/5211—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data
    • A61B6/5229—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image
    • A61B6/5247—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data combining image data of a patient, e.g. combining a functional image with an anatomical image combining images from an ionising-radiation diagnostic technique and a non-ionising radiation diagnostic technique, e.g. X-ray and ultrasound
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/52—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/5215—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of medical diagnostic data
    • A61B8/5238—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of medical diagnostic data for combining image data of patient, e.g. merging several images from different acquisition modes into one image
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T19/00—Manipulating 3D models or images for computer graphics
    • 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
    • A61B5/74—Details of notification to user or communication with user or patient; User input means
    • A61B5/742—Details of notification to user or communication with user or patient; User input means using visual displays
    • A61B5/743—Displaying an image simultaneously with additional graphical information, e.g. symbols, charts, function plots

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Cardiology (AREA)
  • Optics & Photonics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Graphics (AREA)
  • Computer Hardware Design (AREA)
  • Pulmonology (AREA)
  • Software Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measuring Magnetic Variables (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
JP2000217835A 2000-07-18 2000-07-18 心室遅延電位の心臓磁界診断装置およびその作動方法 Expired - Fee Related JP3712350B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2000217835A JP3712350B2 (ja) 2000-07-18 2000-07-18 心室遅延電位の心臓磁界診断装置およびその作動方法
EP01950019A EP1302161A4 (en) 2000-07-18 2001-07-17 MAGNETIC FIELD DIAGNOSTIC DIAGNOSIS DEVICE BY LATE-VENTRICULAR POTENTIAL AND METHOD OF LOCATING AN INEQUAL INTRAMYOCARDIAL EXCITATION PROPAGATION PART
PCT/JP2001/006194 WO2002005715A1 (en) 2000-07-18 2001-07-17 Cardiac magnetic field diagnosing apparatus by late ventricular potential and method of locating intramyocardial excitement uneven propagation portion
AU2001271070A AU2001271070A1 (en) 2000-07-18 2001-07-17 Cardiac magnetic field diagnosing apparatus by late ventricular potential and method of locating intramyocardial excitement uneven propagation portion
US10/333,056 US6941165B2 (en) 2000-07-18 2001-07-17 Cardiac magnetic field diagnosing apparatus by late ventricular potential and method of locating intramyocardial excitement uneven propagation portion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000217835A JP3712350B2 (ja) 2000-07-18 2000-07-18 心室遅延電位の心臓磁界診断装置およびその作動方法

Publications (3)

Publication Number Publication Date
JP2002028145A JP2002028145A (ja) 2002-01-29
JP2002028145A5 JP2002028145A5 (enExample) 2005-08-25
JP3712350B2 true JP3712350B2 (ja) 2005-11-02

Family

ID=18712890

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000217835A Expired - Fee Related JP3712350B2 (ja) 2000-07-18 2000-07-18 心室遅延電位の心臓磁界診断装置およびその作動方法

Country Status (5)

Country Link
US (1) US6941165B2 (enExample)
EP (1) EP1302161A4 (enExample)
JP (1) JP3712350B2 (enExample)
AU (1) AU2001271070A1 (enExample)
WO (1) WO2002005715A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3712348B2 (ja) * 2000-07-18 2005-11-02 独立行政法人科学技術振興機構 心房粗動および心房細動の心臓磁界診断装置およびその作動方法
JP3712349B2 (ja) * 2000-07-18 2005-11-02 独立行政法人科学技術振興機構 生存心筋診断装置およびその作動方法
JP4027867B2 (ja) * 2003-09-10 2007-12-26 株式会社日立ハイテクノロジーズ 生体磁場計測装置
US9585600B2 (en) 2012-10-02 2017-03-07 Covidien Lp Magnetic field viewing film for tracking in-situ surgical applications
JP6399852B2 (ja) * 2014-08-07 2018-10-03 フクダ電子株式会社 脈波測定装置及び生体情報測定装置
WO2018168864A1 (en) * 2017-03-17 2018-09-20 Ricoh Company, Ltd. Information processing apparatus, information processing method, program, and biological signal measurement system
US12383184B2 (en) 2021-03-12 2025-08-12 Cardioinsight Technologies Inc. Late activation of cardiac signals
CN113317793B (zh) * 2021-06-11 2023-02-17 宁波大学 心磁高频信号分析方法、存储介质及电子设备

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0443069A1 (de) * 1990-02-22 1991-08-28 Siemens Aktiengesellschaft Verfahren zur Messung des Feldmusters elektrischer oder magnetischer Felder mit Hilfe einer Sensoranordnung
US5341811A (en) * 1991-03-26 1994-08-30 Allegheny-Singer Research Institute Method and apparatus for observation of ventricular late potentials
JP2949983B2 (ja) 1991-12-10 1999-09-20 ダイキン工業株式会社 物理源解析方法およびその装置
JPH05220124A (ja) * 1992-02-13 1993-08-31 Fujitsu Ltd 生体磁気計測装置
US5228443A (en) * 1992-03-27 1993-07-20 General Electric Company Method for estimation and display of current source distribution from electric and magnetic measurements and 3D anatomical data
GB9310604D0 (en) * 1993-05-21 1993-07-07 British Tech Group Analysis of heart waveforms
WO1995003843A1 (en) * 1993-07-30 1995-02-09 The Regents Of The University Of California Endocardial infusion catheter
JPH08289877A (ja) 1995-04-24 1996-11-05 Toshiba Corp 組織の興奮伝播過程のシミュレーション方法及びこの方法を使用した組織内電磁気現象診断装置
EP0968683B1 (en) 1996-10-08 2011-05-25 Hitachi Medical Corporation Method and apparatus for forming and displaying image from a plurality of sectional images
DE19808985B4 (de) * 1997-03-07 2012-06-14 Hitachi, Ltd. Verfahren und Vorrichtung zur Biomagnetfeld-Messung
JPH10276998A (ja) * 1997-04-10 1998-10-20 Toshiba Corp 興奮伝播過程のシミュレーション装置
US5827195A (en) * 1997-05-09 1998-10-27 Cambridge Heart, Inc. Electrocardiogram noise reduction using multi-dimensional filtering
JP3660781B2 (ja) 1997-05-26 2005-06-15 株式会社東芝 心臓内電気現象の診断装置
US6473518B1 (en) * 1997-10-02 2002-10-29 Hitachi, Ltd. Method of measuring a biomagnetic field, method of analyzing a measured biomagnetic field, method of displaying biomagnetic field data, and apparatus therefor
JPH11128224A (ja) 1997-10-28 1999-05-18 Mitsubishi Heavy Ind Ltd 超音波３次元画像再構成装置
JP4208275B2 (ja) 1997-10-30 2009-01-14 株式会社東芝 心臓内電気現象の診断装置およびその現象の表示方法
IT1302900B1 (it) * 1998-12-04 2000-10-10 Riccardo Fenici Catetere amagnetico per la registrazione monocatetere di potenzialid'azione monofasici multipli, localizzabile tridimensionalmente e
JP2001112732A (ja) * 1999-10-15 2001-04-24 Hitachi Ltd 核磁気共鳴を用いた検査装置

Also Published As

Publication number Publication date
AU2001271070A1 (en) 2002-01-30
WO2002005715A1 (en) 2002-01-24
US20040049119A1 (en) 2004-03-11
EP1302161A1 (en) 2003-04-16
US6941165B2 (en) 2005-09-06
JP2002028145A (ja) 2002-01-29
EP1302161A4 (en) 2008-02-13

Similar Documents

Publication Publication Date Title
JP7047016B2 (ja) 心内信号を利用した位置合わせマップ
JP3712348B2 (ja) 心房粗動および心房細動の心臓磁界診断装置およびその作動方法
Tavarozzi et al. Current perspective magnetocardiography: Current status and perspectives, Part II: Clinical applications
JP3712349B2 (ja) 生存心筋診断装置およびその作動方法
JP2018525041A (ja) 機能的な心臓電気生理の評価のための方法およびシステム
WO2005117695A1 (ja) 心臓磁界診断装置および傷害心筋の3次元局在評価方法
Leder et al. Noninvasive biomagnetic imaging in coronary artery disease based on individual current density maps of the heart
JP3712350B2 (ja) 心室遅延電位の心臓磁界診断装置およびその作動方法
JP3835805B2 (ja) 心臓磁界診断装置およびその作動方法
Brisinda et al. First 36-channel magnetocardiographic study of CAD patients in an unshielded laboratory for interventional and intensive cardiac care
JP2002355229A (ja) 磁界解析方法および電流分布可視化装置
Muller et al. Localization of a ventricular tachycardia-focus with multichannel magnetocardiography and three-dimensional current density reconstruction
JP3809454B2 (ja) 心臓磁界診断装置およびその作動方法
Fenici et al. Magnetocardiography provides non-invasive three-dimensional electroanatomical imaging of cardiac electrophysiology.
Agren et al. Magnetocardiographic localization of arrhythmia substrates: a methodology study with accessory pathway ablation as reference
Mäkijärvi et al. New trends in clinical magnetocardiography
Stroink Forty years of magnetocardiology
Fenici et al. Magnetocardiography provides non-invasive three-dimensional electroanatomical imaging of cardiac electrophysiology
Mäkijärvi et al. Magnetocardiography
JP4972443B2 (ja) 生体磁場計測装置
EP4665233A1 (en) Variation in electrophysiological signals across surfaces and related maps
WO2024170970A1 (en) Variation in electrophysiological signals across surfaces and related maps
Baron-Palucka Magnetocardiography-measurement conduction, data formats and diagnostic applications.
Leder et al. Application of anatomically constrained minimum norm solution in coronary artery disease (myocardial current imaging)

Legal Events

Date Code Title Description
A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A712

Effective date: 20031031

RD03 Notification of appointment of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7423

Effective date: 20040129

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A711

Effective date: 20040723

RD03 Notification of appointment of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7423

Effective date: 20040723

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A821

Effective date: 20040723

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050221

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20050221

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20050221

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20050317

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A821

Effective date: 20050221

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20050426

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20050621

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20050726

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20050816

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080826

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090826

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100826

Year of fee payment: 5

LAPS Cancellation because of no payment of annual fees