JP7089565B2 - 超音波シーケンス処理システムおよび方法 - Google Patents
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- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/12—Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
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- 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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- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
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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
- A61B5/25—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]
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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
- A61B5/25—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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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
- A61B8/0883—Detecting organic movements or changes, e.g. tumours, cysts, swellings for diagnosis of the heart
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4483—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
- A61B8/4494—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer characterised by the arrangement of the transducer elements
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
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- A61B8/46—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient
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- A61B8/54—Control of the diagnostic device
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- 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
- A61B2018/00345—Vascular system
- A61B2018/00351—Heart
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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
- A61B5/6853—Catheters with a balloon
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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
- A61B5/6858—Catheters with a distal basket, e.g. expandable basket
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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
- A61B5/6859—Catheters with multiple distal splines
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
- A61B8/445—Details of catheter construction
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/48—Diagnostic techniques
- A61B8/483—Diagnostic techniques involving the acquisition of a 3D volume of data
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Description
Claims (24)
- 体腔撮像システムの動作方法であって、
前記体腔撮像システムは、
周辺組織によって画定される体腔への送達用に構成されたカテーテルと、
前記カテーテルの遠位端に結合される複数の生体電位電極であって、3Dアレイに結合される複数の生体電位電極と、
前記カテーテルの遠位端に結合される複数の超音波変換器であって、前記3Dアレイに結合される複数の超音波変換器と、
電子モジュールと、を含み、
前記体腔撮像システムの動作は、
前記電子モジュールが、
各生体電位電極から受信した信号に基づいて、ユーザインターフェースシステム上に提供する表示を作り出す工程と、
2つの隣り合う超音波変換器の逐次的な活動化を回避する前記複数の超音波変換器をオン/オフするパターンを含む所定の活動化シーケンスに従って、各超音波変換器を選択的にオン/オフする工程と、
各超音波変換器から受信した信号に基づいて、前記ユーザインターフェースシステム上に提供する3D表示を作り出す工程とを行うこと、
を含むことを特徴とする体腔撮像システムの動作方法。 - 請求項1に記載の体腔撮像システムの動作方法であって、
前記体腔は心腔であり、前記周辺組織は前記心腔の1つ以上の壁であること、
を特徴とする体腔撮像システムの動作方法。 - 請求項1に記載の体腔撮像システムの動作方法であって、
前記ユーザインターフェースシステムは、表示スクリーンと、前記3D表示のグラフィック操作を可能にするユーザ制御機構と、を有すること、
を特徴とする体腔撮像システムの動作方法。 - 請求項1に記載の体腔撮像システムの動作方法であって、
前記3Dアレイは、バスケットアレイ、スパイラルアレイ、バルーン、半径方向に展開可能なアーム、および/または、他の拡張可能かつ圧縮可能な構造であること、
を特徴とする体腔撮像システムの動作方法。 - 請求項1に記載の体腔撮像システムの動作方法であって、
前記超音波変換器は前記3Dアレイの複数のスプライン上に配設されること、
を特徴とする体腔撮像システムの動作方法。 - 請求項5に記載の体腔撮像システムの動作方法であって、
前記3Dアレイは少なくとも3つのスプラインを含むこと、
を特徴とする体腔撮像システムの動作方法。 - 請求項5に記載の体腔撮像システムの動作方法であって、
少なくとも2つの超音波変換器が各スプライン上に配設されること、
を特徴とする体腔撮像システムの動作方法。 - 請求項5に記載の体腔撮像システムの動作方法であって、
前記生体電位電極は、前記3Dアレイの前記複数のスプライン上にも配設されること、
を特徴とする体腔撮像システムの動作方法。 - 請求項8に記載の体腔撮像システムの動作方法であって、
前記生体電位電極の少なくとも幾つか、および前記超音波変換器の少なくとも幾つかは同じスプライン上に配設されること、
を特徴とする体腔撮像システムの動作方法。 - 請求項8に記載の体腔撮像システムの動作方法であって、
1つの前記生体電位電極と1つの前記超音波変換器とが一緒に電極/変換器ペアを形成するように配設され、
前記体腔撮像システムが複数の電極/変換器ペアを含むこと、
を特徴とする体腔撮像システムの動作方法。 - 請求項10に記載の体腔撮像システムの動作方法であって、
1つ以上のスプラインが複数の電極/変換器ペアを含むこと、
を特徴とする体腔撮像システムの動作方法。 - 請求項10に記載の体腔撮像システムの動作方法であって、
複数のスプラインが少なくとも1つの電極/変換器ペアを含むこと、
を特徴とする体腔撮像システムの動作方法。 - 請求項10に記載の体腔撮像システムの動作方法であって、
各スプラインが可撓性PCBを含み、各電極/変換器ペアが前記可撓性PCBに電気的に結合されること、
を特徴とする体腔撮像システムの動作方法。 - 請求項10に記載の体腔撮像システムの動作方法であって、
各電極/変換器ペアは共通の通信経路を共有すること、
を特徴とする体腔撮像システムの動作方法。 - 請求項10に記載の体腔撮像システムの動作方法であって、
1つのスプライン上の全ての電極/変換器ペアが共通の通信経路を共有すること、
を特徴とする体腔撮像システムの動作方法。 - 請求項10に記載の体腔撮像システムの動作方法であって、
1つのスプライン上の全ての電極/変換器ペアが共通のグランドを共有すること、
を特徴とする体腔撮像システムの動作方法。 - 請求項1に記載の体腔撮像システムの動作方法であって、
前記電子モジュールが、撮像デバイスを用いて生成される1つ以上の画像に心臓または他の電気的活動を相関できるように構成されること、
を特徴とする体腔撮像システムの動作方法。 - 請求項17に記載の体腔撮像システムの動作方法であって、
前記撮像デバイスは、フルオロスコープと、MRIと、CTスキャナと、超音波撮像デバイスと、これらのうちの2つ以上の組み合わせと、からなる群から選択される撮像デバイスを含むこと、
を特徴とする体腔撮像システムの動作方法。 - 請求項1に記載の体腔撮像システムの動作方法であって、
前記活動化シーケンスは、2つまたは3つの互いに隣り合う空間の内部の2つの変換器の逐次的な活動化を回避するものであること、
を特徴とする体腔撮像システムの動作方法。 - 請求項19に記載の体腔撮像システムの動作方法であって、
前記隣り合う空間は、
スプライン1の変換器1および変換器2を含む単一のスプライン上の空間と、
スプライン1の変換器1およびスプライン2の変換器1を含むスプラインを横切る空間と、
スプライン1の変換器1およびスプライン2の変換器2を含むスプラインを斜めに横切る空間と、のうちの少なくともいずれかであること、
を特徴とする体腔撮像システムの動作方法。 - 請求項1に記載の体腔撮像システムの動作方法であって、
前記活動化シーケンスのパターンは、単一のスプラインにおける2つの変換器の逐次的な活動化を回避するパターンであること、
を特徴とする体腔撮像システムの動作方法。 - 請求項1に記載の体腔撮像システムの動作方法であって、
前記電子モジュールが1つ以上のスイッチを含み、
前記1つ以上のスイッチが選択的に開閉することで、1つ以上のスイッチが活動化されて前記変換器を信号発生器に接続すること、
を含む体腔撮像システムの動作方法。 - 請求項22に記載の体腔撮像システムの動作方法であって、
前記1つ以上のスイッチはオプトカプラを含むこと、
を特徴とする体腔撮像システムの動作方法。 - 請求項23に記載の体腔撮像システムの動作方法であって、
前記オプトカプラは、約0.01μsから500μsの範囲の活動化時間を有すること、
を特徴とする体腔撮像システムの動作方法。
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EP3294122A4 (en) | 2018-10-31 |
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