JP2016518224A - 類似性ベースのパターンマッチングによる増強された活動開始時間の最適化のための解剖学的マッピングシステム - Google Patents
類似性ベースのパターンマッチングによる増強された活動開始時間の最適化のための解剖学的マッピングシステム Download PDFInfo
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Classifications
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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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- A61B5/7246—Details of waveform analysis using correlation, e.g. template matching or determination of similarity
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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
- A61B5/25—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]
- A61B5/283—Invasive
- A61B5/287—Holders for multiple electrodes, e.g. electrode catheters for electrophysiological study [EPS]
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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]
- A61B5/367—Electrophysiological study [EPS], e.g. electrical activation mapping or electro-anatomical mapping
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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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- 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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- 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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- 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
- A61B5/6847—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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Abstract
Description
実施例25では、実施例19〜24の何れかに記載の方法において、候補特性表現を生成することは、開始時間を対応する各開始時間候補で置き換えることと、各開始時間候補に基づいて特性表現を生成することとをさらに含む。
Claims (6)
- 解剖学的構造、あるいはその周辺に配置され、且つ生理活動のインスタンス中に活性化信号を検出するように構成された複数のマッピング電極と、
複数の前記マッピング電極に関連した処理システムを含み、前記マッピング処理装置は検出された前記活性化信号を記録し、且つ複数の前記マッピング電極の一つと記録された各活性化信号とを関連付けるように構成され、前記処理システムは前記生理活動の各インスタンス中に検出された各活性化信号に対してベクトル場を生成し、各活性化信号に対して開始時間及び代替開始時間候補を決定し、生成された前記ベクトル場と少なくとも一つのベクトル場テンプレートパターンとの間の類似度に基づいて各活性化信号に対して初期ベクトル場パターンテンプレートを特定し、且つ対応する前記開始時間候補及び前記初期ベクトル場パターンテンプレートに基づいて各活性化信号に対して最適化開始時間を決定するようにさらに構成される解剖学的マッピングシステム。 - 請求項1に記載の解剖学的マッピングシステムにおいて、前記処理システムは決定された前記開始時間を対応する最適化開始時間で置き換え、且つ前記最適化開始時間に基づいて前記活性化信号の表示装置上への表示を生成するようにさらに構成される解剖学的マッピングシステム。
- 請求項1に記載の解剖学的マッピングシステムにおいて、開始時間を決定するため、前記処理システムは検出された前記活性化信号の微分を算出し、且つ検出された各活性化信号に対して最小ピーク値を特定するようにさらに構成される解剖学的マッピングシステム。
- 請求項3に記載の解剖学的マッピングシステムにおいて、代替開始時間候補を決定するため、前記処理システムは特定された最小ピーク値の局所的近傍か、対応する前記最小ピーク値の振幅に基づいた振幅閾値の少なくとも一方の範囲内にある微分の検出された前記活性化信号から負側ピーク値を特定するようにさらに構成される解剖学的マッピングシステム。
- 請求項1に記載の解剖学的マッピングシステムにおいて、初期ベクトル場パターンテンプレートを特定するため、前記処理システムは生成された各ベクトル場とベクトル場テンプレートパターンバンクの少なくとも一つのベクトル場テンプレートパターンとの間の類似度を決定し、且つ対応するベクトル場との類似度の最大値を有するベクトル場テンプレートパターンを特定するようにさらに構成される解剖学的マッピングシステム。
- 請求項1に記載の解剖学的マッピングシステムにおいて、最適化開始時間を決定するため、前記処理システムは各開始時間候補に対してベクトル場候補を生成し、各ベクトル場候補と対応する前記活性化信号に基づいて生成された前記ベクトル場との間の類似度を決定し、且つ前記ベクトル場候補と前記ベクトル場との間の類似度が前記ベクトル場と初期ベクトル場パターンとの間の類似度を超えるか否かを特定するようにさらに構成される解剖学的マッピングシステム。
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US201361824245P | 2013-05-16 | 2013-05-16 | |
US61/824,245 | 2013-05-16 | ||
PCT/US2014/038357 WO2014186684A1 (en) | 2013-05-16 | 2014-05-16 | Enhanced activation onset time optimization by similarity based pattern matching |
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JP2016518224A true JP2016518224A (ja) | 2016-06-23 |
JP6117433B2 JP6117433B2 (ja) | 2017-04-19 |
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JP2016514118A Active JP6117433B2 (ja) | 2013-05-16 | 2014-05-16 | 類似性ベースのパターンマッチングによる増強された活動開始時間の最適化のための解剖学的マッピングシステム |
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US (2) | US9144391B2 (ja) |
EP (1) | EP2996547B1 (ja) |
JP (1) | JP6117433B2 (ja) |
CN (1) | CN105307558B (ja) |
WO (1) | WO2014186684A1 (ja) |
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EP2996547A1 (en) | 2016-03-23 |
US9144391B2 (en) | 2015-09-29 |
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EP2996547B1 (en) | 2022-08-24 |
US9579034B2 (en) | 2017-02-28 |
WO2014186684A1 (en) | 2014-11-20 |
CN105307558A (zh) | 2016-02-03 |
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US20140343442A1 (en) | 2014-11-20 |
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