JP2022524184A - ヒルベルト変換を利用した心電図信号の大きさ測定装置、方法及びコンピューターで読み取り可能な記録媒体 - Google Patents
ヒルベルト変換を利用した心電図信号の大きさ測定装置、方法及びコンピューターで読み取り可能な記録媒体 Download PDFInfo
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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
- A61B5/24—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
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- A—HUMAN NECESSITIES
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- 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
- A61B5/355—Detecting T-waves
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- A—HUMAN NECESSITIES
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- 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]
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- A—HUMAN NECESSITIES
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- 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
- A61B5/352—Detecting R peaks, e.g. for synchronising diagnostic apparatus; Estimating R-R interval
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- 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
- A61B5/353—Detecting P-waves
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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
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7235—Details of waveform analysis
- A61B5/7253—Details of waveform analysis characterised by using transforms
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Abstract
Description
Claims (7)
- 測定された心電図信号を受信する受信部と、
受信された前記心電図信号をヒルベルト変換する変換部と、
ヒルベルト変換された前記心電図信号に基づいて前記心電図信号の大きさを求める測定部と、を含む、ヒルベルト変換を利用した心電図信号の大きさ測定装置。 - 前記測定部は、前記心電図信号の値を実数値とし、ヒルベルト変換された前記心電図信号の値を虚数値とする、時間応答曲線であるナイキスト線図を作成する第1モジュールと、
作成された前記ナイキスト線図を円適合法を利用してフィッティングする第2モジュールと、
フィッティングされた前記ナイキスト線図上に形成された円の直径を前記心電図信号の大きさとして求める第3モジュールと、を含む、請求項1に記載のヒルベルト変換を利用した心電図信号の大きさ測定装置。 - フィッティングされた前記ナイキスト線図上に形成された円の直径は、前記心電図信号のP波(P wave)、R波(R wave)及びT波(T wave)の大きさに比例する、請求項2に記載のヒルベルト変換を利用した心電図信号の大きさ測定装置。
- 前記第3モジュールは、
前記ナイキスト線図に含まれた曲線形状の中で一番早い時間に形成された第1曲線形状に対応する第1円の直径を前記心電図信号のP波(P wave)の大きさとして、
前記第1曲線形状よりも遅い時間に形成された第2曲線形状に対応する第2円の直径を前記心電図信号のR波(R wave)の大きさとして、
前記第2曲線形状よりも遅い時間に形成された第3曲線形状に対応する第3円の直径を前記心電図信号のT波(T wave)の大きさとして求める、請求項2に記載のヒルベルト変換を利用した心電図信号の大きさ測定装置。 - 前記P波またはT波の大きさは、前記心電図信号のベースラインを基準として前記P波またはT波のピークまでの高さであり、
前記R波の大きさは、Q波またはS波の中で低い値を有するピークから前記R波のピークまでの高さである、請求項3に記載のヒルベルト変換を利用した心電図信号の大きさ測定装置。 - 受信部で、測定された心電図信号を受信する第1ステップと、
変換部で、受信された前記心電図信号をヒルベルト変換する第2ステップと、
測定部で、ヒルベルト変換された前記心電図信号に基づいて前記心電図信号の大きさを求める第3ステップと、を含む、ヒルベルト変換を利用した心電図信号の大きさ測定方法。 - 請求項6の方法を実行するためのプログラムを記録した、コンピューターで読み取り可能な記録媒体。
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PCT/KR2019/002805 WO2020184749A1 (ko) | 2019-03-11 | 2019-03-11 | 힐버트 변환을 이용한 심전도 신호의 크기 측정 장치, 방법 및 컴퓨터로 독출 가능한 기록 매체 |
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US (1) | US11998341B2 (ja) |
JP (1) | JP7190062B2 (ja) |
KR (1) | KR102553660B1 (ja) |
CN (1) | CN113573638A (ja) |
WO (1) | WO2020184749A1 (ja) |
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JP2003000560A (ja) * | 2001-06-18 | 2003-01-07 | Sumiko Yamashita | 心電図用計測定規 |
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- 2019-03-11 CN CN201980093916.7A patent/CN113573638A/zh active Pending
- 2019-03-11 KR KR1020217026244A patent/KR102553660B1/ko active IP Right Grant
- 2019-03-11 US US17/438,154 patent/US11998341B2/en active Active
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JP2003000560A (ja) * | 2001-06-18 | 2003-01-07 | Sumiko Yamashita | 心電図用計測定規 |
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KR102553660B1 (ko) | 2023-07-07 |
US20220142549A1 (en) | 2022-05-12 |
WO2020184749A1 (ko) | 2020-09-17 |
JP7190062B2 (ja) | 2022-12-14 |
CN113573638A (zh) | 2021-10-29 |
US11998341B2 (en) | 2024-06-04 |
KR20210110724A (ko) | 2021-09-08 |
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