JP2021074549A - バルーンカテーテルアブレーションタグの正確な位置決め及び形状視覚化 - Google Patents
バルーンカテーテルアブレーションタグの正確な位置決め及び形状視覚化 Download PDFInfo
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Abstract
【解決手段】本発明の実施形態は、体腔の3Dモデルを生成することと、体腔内に挿入されるように構成され、プローブの遠位端部に沿って配置された少なくとも1つの細長い電極を有する、医療用プローブに関連付けられた、位置変換器から、体腔内の遠位端部の配向座標及び位置座標を示す信号を受信することと、を含む。モデル及び信号に基づいて、識別されたセグメント以外の所与の電極の部分が、体腔の内側表面と接触しておらず、体腔の内側表面上の部位で組織と接触している所与の電極の長さに沿ったセグメントが識別される。所与の電極のセグメントによって接触された部位に対応するモデル上の場所に視覚的マーカを有するモデルのグラフィック表現がディスプレイにレンダリングされる。
【選択図】図1
Description
本発明の実施形態は、心臓アブレーションなどの医療処置中に治療される組織の領域を示す視覚的マーカを提示するためのシステム及び方法を説明する。以下に記載されるように、システムは、体腔内に挿入されるように構成され、遠位端部に沿って配置された少なくとも1つの細長い電極を有する遠位端部を含む、侵襲性医療用プローブを含む。例えば、医療用プローブは、遠位端部に取り付けられたバルーンを有する心臓内カテーテルを含んでもよく、1つ以上の細長い電極はバルーンの外側表面上に取り付けられている。
図1は、本発明の一実施形態による、医療用プローブ22(例えば、心臓内カテーテル)及び制御コンソール24を含む医療用システム20の概略絵図であり、図2は医療用プローブの遠位端部26の概略絵図であり、図3は、遠位端部26の概略断面図である。システム20は、例えば、Biosense Webster Inc.(33 Technology Drive,Irvine,CA 92618 USA)によって製造されたCARTO(登録商標)システムに基づいていてもよい。以下に述べられる実施形態では、プローブ22は、心臓28の心組織のアブレーションを行うなどの診断又は治療処置において使用することを想定している。また、プローブ22は、必要な変更を加えることで心臓又は他の体内の臓器において他の治療及び/又は診断目的で使用することもできる。
(1) 装置であって、
体腔内に挿入されるように構成され、遠位端部に沿って配置された少なくとも1つの細長い電極を有する前記遠位端部を含む、侵襲性医療用プローブと、
前記医療用プローブと関連付けられた位置変換器と、
前記体腔の3次元(3D)モデルを記憶するように構成されたメモリと、
ディスプレイと、
プロセッサであって、
前記位置変換器から、前記体腔内の前記遠位端部の配向座標及び位置座標を示す信号を受信することと、
前記3Dモデル及び前記信号に基づいて、前記体腔の内側表面上の部位において組織と接触している所与の細長い電極の長さに沿ったセグメントを識別することであって、識別された前記セグメント以外の前記所与の細長い電極の部分は、前記体腔の前記内側表面と接触していない、ことと、
前記所与の細長い電極の前記セグメントが接触する前記部位に対応する前記3Dモデル上の位置に視覚的マーカを有する前記3Dモデルのグラフィック表現を前記ディスプレイにレンダリングすることと、を行うように構成されている、プロセッサと
を備える、装置。
(2) 前記少なくとも1つの細長い電極が、前記医療用プローブの前記遠位端部に沿って長手方向に配置されている、実施態様1に記載の装置。
(3) 前記医療用プローブの前記遠位端部の内腔から延在する膨張可能なバルーンを備える、実施態様1に記載の装置。
(4) 前記少なくとも1つの細長い電極が、前記バルーンの表面上に長手方向に配置されている、実施態様3に記載の装置。
(5) 前記少なくとも1つの細長い電極にアブレーションエネルギーを送達し、それによって前記少なくとも1つの電極と接触している前記組織をアブレーションする、ように構成されたアブレーションモジュールを更に備える、実施態様1に記載の装置。
(7) 前記プロセッサが、前記信号を受信する前に、前記体腔の3Dモデルデータを受信し、前記3Dモデルデータを使用して前記3Dモデルを生成する、ように更に構成されている、実施態様1に記載の装置。
(8) 前記3Dモデルデータが、解剖学的マッピングデータ、コンピュータ断層撮影データ、磁気共鳴画像データ、及び超音波データからなるリストから選択される、実施態様7に記載の装置。
(9) 前記プロセッサが、前記3Dモデル及び前記信号に基づいて、前記組織と接触している前記所与の細長い電極の前記長さに沿った前記セグメントの係合輪郭を決定するように更に構成され、前記プロセッサが、前記3Dモデル上の位置において、前記係合輪郭に対応する視覚的マーカ輪郭を提示することによって、前記3Dモデル上の前記位置に前記視覚的マーカをレンダリングするように構成されている、実施態様1に記載の装置。
(10) 方法であって、
体腔の3次元(3D)モデルを生成することと、
前記体腔内に挿入されるように構成され、遠位端部に沿って配置された少なくとも1つの細長い電極を有する前記遠位端部を備える、医療用プローブに関連付けられた、位置変換器から、前記体腔内の前記遠位端部の配向座標及び位置座標を示す信号を受信することと、
前記3Dモデル及び前記信号に基づいて、前記体腔の内側表面上の部位において組織と接触している所与の細長い電極の長さに沿ったセグメントを識別することであって、識別された前記セグメント以外の前記所与の細長い電極の部分は、前記体腔の前記内側表面と接触していない、ことと、
前記所与の細長い電極の前記セグメントが接触する前記部位に対応する前記3Dモデル上の位置に、視覚的マーカを有する前記3Dモデルのグラフィック表現を前記ディスプレイにレンダリングすることと
を含む、方法。
(12) 前記医療用プローブが、前記医療用プローブの前記遠位端部の内腔から延在する膨張可能なバルーンを備える、実施態様10に記載の方法。
(13) 前記少なくとも1つの細長い電極が、前記バルーンの表面上に長手方向に配置されている、実施態様12に記載の方法。
(14) アブレーションモジュールによって、前記少なくとも1つの細長い電極にアブレーションエネルギーを送達し、それによって前記少なくとも1つの電極と接触している前記組織をアブレーションすることを更に含む、実施態様10に記載の方法。
(15) 前記視覚的マーカが、前記所与の細長い電極の前記セグメントによってアブレーションされる前記部位に対応する、実施態様14に記載の方法。
(17) 前記3Dモデルデータが、解剖学的マッピングデータ、コンピュータ断層撮影データ、磁気共鳴画像データ、及び超音波データからなるリストから選択される、実施態様16に記載の方法。
(18) 前記3Dモデル及び前記信号に基づいて、前記組織と接触している前記所与の細長い電極の前記長さに沿った前記セグメントの係合輪郭を決定することを含み、前記3Dモデル上の位置において前記視覚的マーカをレンダリングすることは、前記3Dモデル上の前記位置において、前記係合輪郭に対応する視覚的マーカ輪郭を提示することを含む、実施態様10に記載の方法。
(19) コンピュータソフトウェア製品であって、体腔に挿入されるように構成され、遠位端部に沿って配置された少なくとも1つの細長い電極を有する前記遠位端部を含む、医療用プローブと連動して操作され、前記製品は、プログラム命令が記憶される非一時的コンピュータ読み取り可能媒体を含み、前記命令は、コンピュータによって読み取られると、前記コンピュータに、
体腔の3次元(3D)モデルを生成することと、
前記医療用プローブに関連付けられた位置変換器から、前記体腔内の前記遠位端部の配向座標及び位置座標を示す信号を受信することと、
前記3Dモデル及び前記信号に基づいて、前記体腔の内側表面上の部位において組織と接触している所与の細長い電極の長さに沿ったセグメントを識別することであって、識別された前記セグメント以外の前記所与の細長い電極の部分は、前記体腔の前記内側表面と接触していない、ことと、
前記所与の細長い電極の前記セグメントが接触する前記部位に対応する前記3Dモデル上の位置に、視覚的マーカを有する前記3Dモデルのグラフィック表現を前記ディスプレイにレンダリングすることと、を行わせる、コンピュータソフトウェア製品。
Claims (19)
- 装置であって、
体腔内に挿入されるように構成され、遠位端部に沿って配置された少なくとも1つの細長い電極を有する前記遠位端部を含む、侵襲性医療用プローブと、
前記医療用プローブと関連付けられた位置変換器と、
前記体腔の3次元(3D)モデルを記憶するように構成されたメモリと、
ディスプレイと、
プロセッサであって、
前記位置変換器から、前記体腔内の前記遠位端部の配向座標及び位置座標を示す信号を受信することと、
前記3Dモデル及び前記信号に基づいて、前記体腔の内側表面上の部位において組織と接触している所与の細長い電極の長さに沿ったセグメントを識別することであって、識別された前記セグメント以外の前記所与の細長い電極の部分は、前記体腔の前記内側表面と接触していない、ことと、
前記所与の細長い電極の前記セグメントが接触する前記部位に対応する前記3Dモデル上の位置に視覚的マーカを有する前記3Dモデルのグラフィック表現を前記ディスプレイにレンダリングすることと、を行うように構成されている、プロセッサと
を備える、装置。 - 前記少なくとも1つの細長い電極が、前記医療用プローブの前記遠位端部に沿って長手方向に配置されている、請求項1に記載の装置。
- 前記医療用プローブの前記遠位端部の内腔から延在する膨張可能なバルーンを備える、請求項1に記載の装置。
- 前記少なくとも1つの細長い電極が、前記バルーンの表面上に長手方向に配置されている、請求項3に記載の装置。
- 前記少なくとも1つの細長い電極にアブレーションエネルギーを送達し、それによって前記少なくとも1つの電極と接触している前記組織をアブレーションする、ように構成されたアブレーションモジュールを更に備える、請求項1に記載の装置。
- 前記視覚的マーカが、前記所与の細長い電極の前記セグメントによってアブレーションされる前記部位に対応する、請求項5に記載の装置。
- 前記プロセッサが、前記信号を受信する前に、前記体腔の3Dモデルデータを受信し、前記3Dモデルデータを使用して前記3Dモデルを生成する、ように更に構成されている、請求項1に記載の装置。
- 前記3Dモデルデータが、解剖学的マッピングデータ、コンピュータ断層撮影データ、磁気共鳴画像データ、及び超音波データからなるリストから選択される、請求項7に記載の装置。
- 前記プロセッサが、前記3Dモデル及び前記信号に基づいて、前記組織と接触している前記所与の細長い電極の前記長さに沿った前記セグメントの係合輪郭を決定するように更に構成され、前記プロセッサが、前記3Dモデル上の位置において、前記係合輪郭に対応する視覚的マーカ輪郭を提示することによって、前記3Dモデル上の前記位置に前記視覚的マーカをレンダリングするように構成されている、請求項1に記載の装置。
- 方法であって、
体腔の3次元(3D)モデルを生成することと、
前記体腔内に挿入されるように構成され、遠位端部に沿って配置された少なくとも1つの細長い電極を有する前記遠位端部を備える、医療用プローブに関連付けられた、位置変換器から、前記体腔内の前記遠位端部の配向座標及び位置座標を示す信号を受信することと、
前記3Dモデル及び前記信号に基づいて、前記体腔の内側表面上の部位において組織と接触している所与の細長い電極の長さに沿ったセグメントを識別することであって、識別された前記セグメント以外の前記所与の細長い電極の部分は、前記体腔の前記内側表面と接触していない、ことと、
前記所与の細長い電極の前記セグメントが接触する前記部位に対応する前記3Dモデル上の位置に、視覚的マーカを有する前記3Dモデルのグラフィック表現を前記ディスプレイにレンダリングすることと
を含む、方法。 - 前記少なくとも1つの細長い電極が、前記医療用プローブの前記遠位端部に沿って長手方向に配置されている、請求項10に記載の方法。
- 前記医療用プローブが、前記医療用プローブの前記遠位端部の内腔から延在する膨張可能なバルーンを備える、請求項10に記載の方法。
- 前記少なくとも1つの細長い電極が、前記バルーンの表面上に長手方向に配置されている、請求項12に記載の方法。
- アブレーションモジュールによって、前記少なくとも1つの細長い電極にアブレーションエネルギーを送達し、それによって前記少なくとも1つの電極と接触している前記組織をアブレーションすることを更に含む、請求項10に記載の方法。
- 前記視覚的マーカが、前記所与の細長い電極の前記セグメントによってアブレーションされる前記部位に対応する、請求項14に記載の方法。
- 前記信号を受信する前に、前記体腔の3Dモデルデータを受信し、前記3Dモデルデータを使用して前記3Dモデルを生成することを含む、請求項10に記載の方法。
- 前記3Dモデルデータが、解剖学的マッピングデータ、コンピュータ断層撮影データ、磁気共鳴画像データ、及び超音波データからなるリストから選択される、請求項16に記載の方法。
- 前記3Dモデル及び前記信号に基づいて、前記組織と接触している前記所与の細長い電極の前記長さに沿った前記セグメントの係合輪郭を決定することを含み、前記3Dモデル上の位置において前記視覚的マーカをレンダリングすることは、前記3Dモデル上の前記位置において、前記係合輪郭に対応する視覚的マーカ輪郭を提示することを含む、請求項10に記載の方法。
- コンピュータソフトウェア製品であって、体腔に挿入されるように構成され、遠位端部に沿って配置された少なくとも1つの細長い電極を有する前記遠位端部を含む、医療用プローブと連動して操作され、前記製品は、プログラム命令が記憶される非一時的コンピュータ読み取り可能媒体を含み、前記命令は、コンピュータによって読み取られると、前記コンピュータに、
体腔の3次元(3D)モデルを生成することと、
前記医療用プローブに関連付けられた位置変換器から、前記体腔内の前記遠位端部の配向座標及び位置座標を示す信号を受信することと、
前記3Dモデル及び前記信号に基づいて、前記体腔の内側表面上の部位において組織と接触している所与の細長い電極の長さに沿ったセグメントを識別することであって、識別された前記セグメント以外の前記所与の細長い電極の部分は、前記体腔の前記内側表面と接触していない、ことと、
前記所与の細長い電極の前記セグメントが接触する前記部位に対応する前記3Dモデル上の位置に、視覚的マーカを有する前記3Dモデルのグラフィック表現を前記ディスプレイにレンダリングすることと、を行わせる、コンピュータソフトウェア製品。
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US20190175263A1 (en) | 2017-12-12 | 2019-06-13 | Biosense Webster (Israel) Ltd. | Balloon catheter with reverse spiral guidewire |
US20190183567A1 (en) | 2017-12-19 | 2019-06-20 | Biosense Webster (Israel) Ltd. | Balloon Catheter with Bulbous Shaped Radiofrequency (RF) Ablation Electrodes |
US10974031B2 (en) | 2017-12-28 | 2021-04-13 | Biosense Webster (Israel) Ltd. | Balloon catheter with internal distal end |
US10806911B2 (en) | 2018-01-12 | 2020-10-20 | Biosense Webster (Israel) Ltd. | Balloon catheter assisted by pulling a puller-wire |
US20190298441A1 (en) | 2018-03-28 | 2019-10-03 | Biosense Webster (Israel) Ltd. | Irrigated electrophysiology catheter with distinguishable electrodes for multi-electrode identification and orientation under 2-d visualization |
US11298082B2 (en) | 2018-05-22 | 2022-04-12 | Biosense Webster (Israel) Ltd. | Catheter with capacitive force sensor |
US12114906B2 (en) | 2018-06-05 | 2024-10-15 | Boston Scientific Scimed, Inc. | Mapping assembly for cryogenic balloon catheter system |
US12102781B2 (en) | 2018-06-29 | 2024-10-01 | Biosense Webster (Israel) Ltd. | Reinforcement for irrigated electrophysiology balloon catheter with flexible-circuit electrodes |
US11672461B2 (en) | 2018-07-16 | 2023-06-13 | Biosense Webster (Israel) Ltd. | Flexible circuit with location and force-sensor coils |
US11071585B2 (en) | 2018-09-14 | 2021-07-27 | Biosense Webster (Israel) Ltd. | Systems and methods of ablating cardiac tissue |
US11717344B2 (en) | 2018-11-19 | 2023-08-08 | Biosense Webster (Israel) Ltd. | Medical probe with wiring disposed between two expandable membranes |
US12042216B2 (en) | 2019-12-09 | 2024-07-23 | Biosense Webster (Israel) Ltd. | Irreversible-electroporation (IRE) balloon catheter with membrane-insulated high-voltage balloon wires |
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2020
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- 2020-11-08 IL IL278563A patent/IL278563A/en unknown
- 2020-11-11 EP EP20206844.1A patent/EP3821838A1/en active Pending
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US20210137588A1 (en) | 2021-05-13 |
IL278563A (en) | 2021-05-31 |
EP3821838A1 (en) | 2021-05-19 |
JP7532221B2 (ja) | 2024-08-13 |
CN112842508A (zh) | 2021-05-28 |
US20250049500A1 (en) | 2025-02-13 |
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