JP6694123B2 - アブレーションされた組織を視覚化するシステム - Google Patents
アブレーションされた組織を視覚化するシステム Download PDFInfo
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Description
Claims (29)
- 組織を撮影するシステムであって、
末端部と基端部を有するカテーテルと、
前記カテーテルの前記末端部に配置された膨張可能なバルーンと、
前記バルーンの内側に配置されて前記バルーンの外側の組織を照明する光源であって、前記組織内のNADH蛍光を励起する波長を有する光を発する紫外線光源と、
前記バルーンの内側に配置され、照明された前記組織を撮影するカメラを備えており、
前記紫外線光源と前記カメラは、前記カテーテルから前記バルーンに向かって伸びる光学ハウジングに支持されており、
前記光学ハウジングの外面と前記バルーンの内壁との間に隙間が形成されており、前記隙間が前記バルーンを膨張及び収縮するために前記カテーテルの膨張ルーメンと前記バルーンとの間に流路を提供している、システム。 - 前記カメラは、波長460nmで少なくとも50%から70%の量子効率を有する電荷結合素子(CCD)カメラである、請求項1のシステム。
- 前記光源が紫外線を発するダイオード(LED)である、請求項1のシステム。
- 前記カメラが、光学イメージを電子信号に変換する画像センサを含む、請求項1のシステム。
- 前記光学ハウジングが前記バルーンに対して回転可能である、請求項1のシステム。
- 前記カテーテルの前記末端を超えて伸び、前記バルーンを構造的に支持するサポートチューブを有する、請求項1のシステム。
- 前記サポートチューブの末端の近くに、アブレーション部材として機能するように構成された先端部を有する、請求項6のシステム。
- 前記バルーンの末端側に前記アブレーション部材を送るために、前記サポートチューブが前記カテーテルの内腔に連通した内腔を有する、請求項7のシステム。
- 第1の光源と第2の光源を有し、前記第2の光源は前記第1の光源とは異なる波長の光を発生する、請求項1のシステム。
- 前記カメラで検出されたNADH蛍光に基づいて、照明された前記組織の画像を生成するために、前記カメラに接続されたディスプレイシステムを有する、請求項1のシステム。
- 前記カメラと前記ディスプレイシステムは無線で通信される、請求項10のシステム。
- 前記光が300nmと400nmの間の波長を有する、請求項1のシステム。
- 心内膜組織を撮影するシステムであって、
末端部と基端部を有し、心内膜組織に血管を通じて接近する大きさのカテーテルと、
前記カテーテルの前記末端部を超えて伸びるサポートチューブであって、前記サポートチューブの末端部の周囲に先端部を有するものと、
前記カテーテルの前記末端部に配置される膨張可能なバルーンであって、適合紫外(UV)光透過材料で形成されて前記心内膜組織の近くに配置される形状のものと、
前記バルーンの内側に配置され、前記バルーンの外側にある心内膜組織を照明するために、前記心内膜組織内のNADHを励起する波長を有する光を生成する紫外線光源と、
前記バルーンの内側に配置され、前記紫外線光源からの光が照明された心内膜組織からNADH蛍光を検出するように構成され、前記紫外線光源によって照明された心内膜組織を撮影するカメラを備え、
前記紫外線光源と前記カメラは、前記カテーテルから前記バルーンに向かって伸びる光学ハウジングに支持されており、
前記光学ハウジングの外面と前記バルーンの内壁との間に隙間が形成されており、前記隙間が前記バルーンを膨張及び収縮するために前記カテーテルの膨張ルーメンと前記バルーンとの間に流路を提供している、システム。 - 前記カメラが、波長460nmで少なくとも50%から70%の量子効率を有する電荷結合素子(CCD)カメラに連結されている、請求項13のシステム。
- 前記光が300nmと400nmの間の波長を有する、請求項13のシステム。
- 前記光学ハウジングは、前記バルーンに対して前記カメラと前記光源を回転するために、前記バルーンに対して回転可能である、請求項13のシステム。
- 白色光を発する第2の光源を備えた、請求項13のシステム。
- 組織を撮影するシステムであって、
末端部と基端部を有するカテーテルと、
前記カテーテルの前記末端部の近くで、血液を流体に置き換えるためのかん流ポートと、
心臓組織を照明するための発光ダイオード光源であって、前記心臓組織内のNADHを励起する波長の光を発するものと、
照明された前記心臓組織を撮影するために光学イメージを電子信号に変換する複数の画像センサを含む視覚化装置と、
前記カテーテルの前記末端部の近くに配置された膨張可能なバルーンであって、適合紫外(UV)光透過材料で形成されて前記心臓組織の近くに配置される形状のものを備えており、
前記発光ダイオード光源と前記視覚化装置は前記カテーテルの末端部を超えて前記バルーンの内側に配置されている、システム。 - 前記光が300nmと400nmの間の波長を有する、請求項18のシステム。
- 中心波長が460nm、帯域幅50nmを有し、前記カメラに連結されたフィルタを備えた請求項1のシステム。
- 前記カメラが、波長460nmで90%の量子効率を有する電荷結合素子(CCD)カメラに連結されている、請求項1のシステム。
- 中心波長が460nm、帯域幅50nmを有し、前記視覚化装置に連結されたフィルタを備えた請求項18のシステム。
- 前記視覚化装置が、波長460nmで少なくとも50%から70%の量子効率を有する電荷結合素子(CCD)カメラに連結されている、請求項18のシステム。
- 前記視覚化装置が、波長460nmで90%の量子効率を有する電荷結合素子(CCD)カメラに連結されている、請求項18のシステム。
- 組織を撮影するシステムであって、
末端部と基端部を有するカテーテルと、
前記カテーテルの前記末端部に配置された膨張可能なバルーンと、
前記カテーテルの外側に配置され、前記組織内のNADHを励起する波長を有する光を発する光源と、
前記膨張可能なバルーンの内側に配置された末端部を有し、前記光源に接続された、一つ又は複数の光伝送ファイバと、
前記カテーテルの外側に配置された電荷結合素子(CCD)カメラと、
前記膨張可能なバルーンの内側に配置された末端部を有し、前記電荷結合素子(CCD)カメラに接続された一つ又は複数の撮像ファイバを備え、
前記光源と前記電荷結合素子(CCD)カメラは、前記カテーテルから前記バルーンに向かって伸びる光学ハウジングに支持されており、
前記光学ハウジングの外面と前記バルーンの内壁との間に隙間が形成されており、前記隙間が前記バルーンを膨張及び収縮するために前記カテーテルの膨張ルーメンと前記バルーンとの間に流路を提供している、システム。 - 前記電荷結合素子(CCD)カメラが、波長460nmで少なくとも50%から70%の量子効率を有する、請求項25のシステム。
- 前記光が300nmと400nmの間の波長を有する、請求項25のシステム。
- 中心波長が460nm、帯域幅50nmを有し、前記電荷結合素子(CCD)カメラに連結されたフィルタを備えた請求項25のシステム。
- 前記電荷結合素子(CCD)カメラが、波長460nmで90%の量子効率を有する、請求項25のシステム。
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CN104066368A (zh) | 2014-09-24 |
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AU2018204324B2 (en) | 2020-05-07 |
AU2012312066A1 (en) | 2014-04-10 |
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