JP6564189B2 - 心臓カテーテル検査装置、心臓カテーテル検査システム、及び心臓カテーテル検査装置の作動方法 - Google Patents
心臓カテーテル検査装置、心臓カテーテル検査システム、及び心臓カテーテル検査装置の作動方法 Download PDFInfo
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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
- A61B5/35—Detecting specific parameters of the electrocardiograph cycle by template matching
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- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7235—Details of waveform analysis
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- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
- A61B5/02405—Determining heart rate variability
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- A—HUMAN NECESSITIES
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- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
- A61B5/0245—Detecting, measuring or recording pulse rate or heart rate by using sensing means generating electric signals, i.e. ECG signals
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- 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
- A61B5/303—Patient cord assembly, e.g. cable harness
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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]
- A61B5/327—Generation of artificial ECG signals based on measured signals, e.g. to compensate for missing leads
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- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
- A61B5/332—Portable devices specially adapted therefor
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- 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
- A61B5/366—Detecting abnormal QRS complex, e.g. widening
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- A—HUMAN NECESSITIES
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- 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
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- A61B5/7253—Details of waveform analysis characterised by using transforms
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- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7271—Specific aspects of physiological measurement analysis
- A61B5/7296—Specific aspects of physiological measurement analysis for compensation of signal variation due to stress unintentionally induced in the patient, e.g. due to the stress of the medical environment or examination
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
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- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
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- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00577—Ablation
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- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00839—Bioelectrical parameters, e.g. ECG, EEG
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2505/00—Evaluating, monitoring or diagnosing in the context of a particular type of medical care
- A61B2505/05—Surgical care
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
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- 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]
- A61B5/282—Holders for multiple electrodes
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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
- A61B5/68—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
- A61B5/6847—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 mounted on an invasive device
- A61B5/6852—Catheters
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
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- 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
- A61B5/6869—Heart
-
- A—HUMAN NECESSITIES
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- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/362—Heart stimulators
Description
カテーテル検査室外に配置された計測装置により計測された第一心電図における、洞調律時の心拍の第一波形及び不整脈時の不整脈波形を取得する取得部と、
カテーテル検査室内で待機する患者に取り付けられた電極を介して第二心電図を計測する計測部と、
前記第一波形と、前記第二心電図における洞調律時の心拍の第二波形とに基づいて、前記第一心電図と前記第二心電図とを統計的にマッチングさせるための補正係数を算出する第一算出部と、
前記第一心電図に含まれる前記不整脈波形と前記補正係数とに基づいて、心臓カテーテルによるペーシングの応答波形と比較する対象となる比較波形を生成する波形生成部と、
前記応答波形と前記比較波形とのマッチング率を算出する第二算出部と、
を備える。
前記第一心電図と前記第二心電図は、12誘導心電図であっても良い。
カテーテル検査室外に配置された計測装置と、
前記計測装置により計測された第一心電図を取得して解析し、当該第一心電図から洞調律時の心拍の第一波形及び不整脈時の不整脈波形を抽出し、前記第一波形と前記不整脈波形とを外部に出力可能な心電図解析装置と、
上記の心臓カテーテル検査装置と、
を備える。
前記計測装置は、携帯型のホルター心電計であっても良い。
前記計測装置は、ベッドサイドモニタであっても良い。
カテーテル検査室外に配置された計測装置により、洞調律時の心拍の第一波形及び不整脈時の不整脈波形を含む第一心電図を計測するステップと、
カテーテル検査室内で待機する患者に取り付けられた電極を介して第二心電図を計測するステップと、
前記第一波形と、前記第二心電図における洞調律時の心拍の第二波形とに基づいて、前記第一心電図と前記第二心電図とを統計的にマッチングさせるための補正係数を算出するステップと、
前記第一心電図に含まれる前記不整脈波形と前記補正係数とに基づいて、心臓カテーテルによるペーシングの応答波形と比較する対象となる比較波形を生成するステップと、
前記応答波形と前記比較波形とのマッチング率を算出するステップと、
を含む。
図2(a)は、12誘導中の一部の波形例であり、ホルター心電計10によって計測された第一心電図の第一洞調律波形の一例を示す。図2(b)は、12誘導中の一部の波形例であり、生体電極Aによって計測された第二心電図の第二洞調律波形の一例を示す。
V’は、第二心電図の波形、Vは、第一心電図の波形を示す。
iは、第二心電図の12誘導のうちのそれぞれの誘導を示す。
jは、第一心電図の12誘導のうちのそれぞれの誘導を示す。
{αi,j}は、行列計算を示す。
波形生成部34は、補正係数である{αi,j}を用いて、第一不整脈波形に対して行列演算を行うことにより、図2(d)に示すような不整脈波形を求める。このようにして求められた不整脈波形が、生体電極Aを介して計測されるであろうと推定される第二不整脈波形となる。
Claims (6)
- カテーテル検査室外に配置された計測装置により計測された第一心電図における、洞調律時の心拍の第一波形及び不整脈時の不整脈波形を取得する取得部と、
カテーテル検査室内で待機する患者に取り付けられた電極を介して第二心電図を計測する計測部と、
前記第一波形と、前記第二心電図における洞調律時の心拍の第二波形とに基づいて、前記第一心電図と前記第二心電図とを統計的にマッチングさせるための補正係数を算出する第一算出部と、
前記第一心電図に含まれる前記不整脈波形と前記補正係数とに基づいて、心臓カテーテルによるペーシングの応答波形と比較する対象となる比較波形を生成する波形生成部と、
前記応答波形と前記比較波形とのマッチング率を算出する第二算出部と、
を備える、心臓カテーテル検査装置。 - 前記第一心電図と前記第二心電図は、12誘導心電図である、請求項1に記載の心臓カテーテル検査装置。
- カテーテル検査室外に配置された計測装置と、
前記計測装置により計測された第一心電図を取得して解析し、当該第一心電図から洞調律時の心拍の第一波形及び不整脈時の不整脈波形を抽出し、前記第一波形と前記不整脈波形とを外部に出力可能な心電図解析装置と、
請求項1または請求項2に記載の心臓カテーテル検査装置と、
を備える、心臓カテーテル検査システム。 - 前記計測装置は、携帯型のホルター心電計である、請求項3に記載の心臓カテーテル検査システム。
- 前記計測装置は、ベッドサイドモニタである、請求項3に記載の心臓カテーテル検査システム。
- 心臓カテーテル検査装置の作動方法であって、
カテーテル検査室外に配置された計測装置により計測された第一心電図における、洞調律時の心拍の第一波形及び不整脈時の不整脈波形を取得するステップと、
カテーテル検査室内で待機する患者に取り付けられた電極を介して第二心電図を計測するステップと、
前記第一波形と、前記第二心電図における洞調律時の心拍の第二波形とに基づいて、前記第一心電図と前記第二心電図とを統計的にマッチングさせるための補正係数を算出するステップと、
前記第一心電図に含まれる前記不整脈波形と前記補正係数とに基づいて、心臓カテーテルによるペーシングの応答波形と比較する対象となる比較波形を生成するステップと、
前記応答波形と前記比較波形とのマッチング率を算出するステップと、
を含む、心臓カテーテル検査装置の作動方法。
Priority Applications (5)
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JP2015003225A JP6564189B2 (ja) | 2015-01-09 | 2015-01-09 | 心臓カテーテル検査装置、心臓カテーテル検査システム、及び心臓カテーテル検査装置の作動方法 |
EP16701693.0A EP3242592A1 (en) | 2015-01-09 | 2016-01-05 | Cardiac catheter inspection apparatus, cardiac catheter inspection system, and cardiac catheter inspection method |
PCT/JP2016/000029 WO2016111244A1 (en) | 2015-01-09 | 2016-01-05 | Cardiac catheter inspection apparatus, cardiac catheter inspection system, and cardiac catheter inspection method |
CN201680005373.5A CN107106067A (zh) | 2015-01-09 | 2016-01-05 | 心脏导管检查装置、心脏导管检查系统以及心脏导管检查方法 |
US15/542,156 US20180289278A1 (en) | 2015-01-09 | 2016-01-05 | Cardiac catheter inspection apparatus, cardiac catheter inspection system, and cardiac catheter inspection method |
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JP2015003225A JP6564189B2 (ja) | 2015-01-09 | 2015-01-09 | 心臓カテーテル検査装置、心臓カテーテル検査システム、及び心臓カテーテル検査装置の作動方法 |
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EP (1) | EP3242592A1 (ja) |
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US5311873A (en) * | 1992-08-28 | 1994-05-17 | Ecole Polytechnique | Comparative analysis of body surface potential distribution during cardiac pacing |
US5391199A (en) * | 1993-07-20 | 1995-02-21 | Biosense, Inc. | Apparatus and method for treating cardiac arrhythmias |
US5595183A (en) * | 1995-02-17 | 1997-01-21 | Ep Technologies, Inc. | Systems and methods for examining heart tissue employing multiple electrode structures and roving electrodes |
DE19622078A1 (de) * | 1996-05-31 | 1997-12-04 | Siemens Ag | Vorrichtung zum Lokalisieren von Aktionsströmen im Herzen |
US7123954B2 (en) * | 2002-09-19 | 2006-10-17 | Sanjiv Mathur Narayan | Method for classifying and localizing heart arrhythmias |
US7907994B2 (en) * | 2007-01-11 | 2011-03-15 | Biosense Webster, Inc. | Automated pace-mapping for identification of cardiac arrhythmic conductive pathways and foci |
JP6072005B2 (ja) * | 2011-05-04 | 2017-02-01 | カーディオインサイト テクノロジーズ インコーポレイテッド | 信号の加算平均 |
EP2948053B1 (en) * | 2013-01-24 | 2018-03-28 | Dalhousie University | Computer-aided localization of site of origin of cardiac activation with discriminator leads |
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2016
- 2016-01-05 EP EP16701693.0A patent/EP3242592A1/en not_active Withdrawn
- 2016-01-05 CN CN201680005373.5A patent/CN107106067A/zh active Pending
- 2016-01-05 WO PCT/JP2016/000029 patent/WO2016111244A1/en active Application Filing
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US20180289278A1 (en) | 2018-10-11 |
JP2016127890A (ja) | 2016-07-14 |
CN107106067A (zh) | 2017-08-29 |
EP3242592A1 (en) | 2017-11-15 |
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