JP2015042256A - 心臓リズム障害を検出するための非侵襲性で金属製の2パーツの遠位先端を有するバスケットスタイル心臓マッピングカテーテル - Google Patents
心臓リズム障害を検出するための非侵襲性で金属製の2パーツの遠位先端を有するバスケットスタイル心臓マッピングカテーテル Download PDFInfo
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- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
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- A—HUMAN NECESSITIES
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- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
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- 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
本出願は、2011年11月3日に出願された米国仮特許出願第61/555,190号および2011年4月22日に出願された米国仮特許出願第61/478,340号の優先権を主張し、それらの全ての内容は本明細書に参照により組み込まれる。
Claims (30)
- 心臓の心内膜表面から複数のローカル電圧を検出するためのシステムであって、
ルーメン、近位端および遠位端を有する第1の細長い筒状部材と、
バスケットアセンブリと
を備え、
前記バスケットアセンブリは、
複数の露出された電極を導くための複数の可撓性スプラインであって、前記スプラインは近位部および遠位部を有する、スプラインと、
前記スプラインの近位部を確実に付着するためのアンカーと、
遠位先端において所定の角度関係で前記スプラインの遠位部を確実に付着するためのカプセル材料およびフィラメントを含む、封入され、フィラント巻きの遠位先端と
を備え、
前記アンカーは、前記第1の細長い筒状部材の遠位端に固定され、
前記スプラインは、超弾性材料を含み、
前記バスケットアセンブリは半径方向に拡張された非円筒形状を有する、システム。 - ルーメン、近位端および遠位端を有する第2の細長い筒状部材をさらに備え、
前記バスケットアセンブリは、前記第2の細長い筒状部材のルーメン内に適合するように摺動して圧縮可能であり、
前記バスケットアセンブリは、前記第2の細長い筒状部材のルーメン内に圧縮される場合、実質的に円筒形状を有し、
前記バスケットアセンブリは、前記第2の細長い筒状部材のルーメン内に圧縮されず、前記第2の細長い筒状部材の遠位端を超えて配置される場合、前記半径方向に拡張された非円筒形状を有する、請求項1に記載のシステム。 - 前記カプセル材料は、血液の通過または浸入を可能にする空隙および溝のない滑らかで抗血栓性の外面を有する、請求項1に記載のシステム。
- 前記カプセル材料は、熱可塑性プラスチック材料を含む、請求項1に記載のシステム。
- 前記カプセル材料は、ポリウレタン材料を含む、請求項1に記載のシステム。
- 前記フィラメントは高分子フィラメント、金属フィラメントおよびそれらの組み合わせを含む、請求項1に記載のシステム。
- 前記フィラメントは、前記所定の角度関係において前記スプラインの遠位部を実質的に並べ、固定するために、前記スプラインの間、上および下に編まれ、ループされ、または巻かれる、請求項1に記載のシステム。
- 可撓性スプラインはさらに、前記スプラインの遠位部において整列部材を備え、
前記フィラメントがまた、前記整列部材の間、上および下に編まれ、ループされ、または巻かれる、請求項8に記載のシステム。 - 整列部材は、前記スプラインの遠位部において円形部を備える、請求項1に記載のシステム。
- 前記所定の角度関係を形成する前記遠位先端における前記スプラインの間の角度は、全て実質的に互いに等しい、請求項1に記載のシステム。
- 前記所定の角度関係を形成する前記遠位先端における前記スプラインの間の少なくとも1つの角度は、前記遠位先端における前記スプラインの間の角度と互いに異なる、請求項1に記載のシステム。
- 前記バスケットアセンブリが前記半径方向に拡張された非円筒形状である場合、前記スプラインは前記遠位先端を超えて延び、前記スプラインを前記アンカーに対して後方に曲げるように前記遠位先端を超える外向きの屈曲を含む、請求項1に記載のシステム。
- 心臓の心内膜表面から複数のローカル電圧を検出するためのシステムであって、
ルーメン、近位端および遠位端を有する第1の細長い筒状部材と、
バスケットアセンブリと
を備え、
前記バスケットアセンブリは、
複数の露出された電極を導くための複数の可撓性スプラインであって、前記スプラインは近位部および遠位部を有する、スプラインと、
前記スプラインの近位部を確実に付着するためのアンカーと、
遠位先端において所定の関係で前記スプラインの遠位部を確実に付着するためのエラストマー材料を備える遠位先端と
を備え、
前記アンカーは、前記第1の細長い筒状部材の遠位端に固定され、
前記スプラインは、超弾性材料を含み、
前記バスケットアセンブリは半径方向に拡張された非円筒形状を有する、システム。 - ルーメン、近位端および遠位端を有する第2の細長い筒状部材をさらに備え、
前記バスケットアセンブリは、前記第2の細長い筒状部材のルーメン内に適合するように摺動して圧縮可能であり、
前記バスケットアセンブリは、前記第2の細長い筒状部材のルーメン内に圧縮される場合、実質的に円筒形状を有し、
前記バスケットアセンブリは、前記第2の細長い筒状部材のルーメン内に圧縮されず、前記第2の細長い筒状部材の遠位端を超えて配置される場合、前記半径方向に拡張された非円筒形状を有する、請求項13に記載のシステム。 - 前記遠位先端は、血液の通過または浸入を可能にする空隙および溝のない滑らかで抗血栓性の外面を有する、請求項13に記載のシステム。
- 前記所定の角度関係を形成する前記遠位先端における前記スプラインの間の角度は、全て実質的に互いに等しい、請求項13に記載のシステム。
- 前記所定の角度関係を形成する前記遠位先端における前記スプラインの間の少なくとも1つの角度は、前記遠位先端における前記スプラインの間の角度と互いに異なる、請求項13に記載のシステム。
- 前記エラストマー材料は、ポリウレタン、シリコーンおよびそれらの組み合わせを含む、請求項13に記載のシステム。
- 心臓の心内膜表面から複数のローカル電圧を検出するためのシステムであって、
ルーメン、近位端および遠位端を有する第1の細長い筒状部材と、
バスケットアセンブリと
を備え、
前記バスケットアセンブリは、
複数の露出された電極を導くための複数の可撓性スプラインであって、前記スプラインは近位部および遠位部を有する、スプラインと、
前記スプラインの近位部を確実に付着するためのアンカーと、
前記スプラインの遠位部を確実に付着するための可撓性材料を備える遠位先端と
を備え、
前記アンカーは、前記第1の細長い筒状部材の遠位端に固定され、
前記バスケットアセンブリは半径方向に拡張された非円筒形状を有し、
前記スプラインは超弾性材料を含み、
前記可撓性材料は、エラストマー材料、非弾性高分子材料、熱可塑性プラスチック材料およびそれらの組み合わせからなる群から選択される材料を含み、
前記スプラインは、近位の前記アンカーと前記遠位先端との間の縦軸に沿って前記アンカーと前記先端との間の線分から測定して約45°未満の角度で先端に近づく、システム。 - ルーメン、近位端および遠位端を有する第2の細長い筒状部材をさらに備え、
前記バスケットアセンブリは、前記第2の細長い筒状部材のルーメン内に適合するように摺動して圧縮可能であり、
前記バスケットアセンブリは、前記第2の細長い筒状部材のルーメン内に圧縮される場合、実質的に円筒形状を有し、
前記バスケットアセンブリは、前記第2の細長い筒状部材のルーメン内に圧縮されず、前記第2の細長い筒状部材の遠位端を超えて配置される場合、半前記径方向に拡張された非円筒形状を有する、請求項19に記載のシステム。 - 前記バスケットアセンブリが前記半径方向に拡張された非円筒形状にある場合、前記スプラインは前記遠位先端を超えて延び、前記スプラインを前記アンカーに対して後方に曲げるように前記遠位先端を超える外向きの屈曲を含む、請求項19に記載のシステム。
- 前記所定の角度関係を形成する前記遠位先端における前記スプラインの間の角度は、全て実質的に互いに等しい、請求項19に記載のシステム。
- 前記所定の角度関係を形成する前記遠位先端における前記スプラインの間の少なくとも1つの角度は、前記遠位先端における前記スプラインの間の角度と互いに異なる、請求項19に記載のシステム。
- 心臓の心内膜表面から複数のローカル電圧を検出するためのシステムであって、
ルーメン、近位端および遠位端を有する第1の細長い筒状部材と、
バスケットアセンブリと
を備え、
前記バスケットアセンブリは、
複数の露出された電極を導くための複数の可撓性スプラインであって、前記スプラインは近位部および遠位部を有する、スプラインと、
前記スプラインの近位部を確実に付着するためのアンカーと、
互いに確実に付着する第1の部分および第2の部分を構成するための遠位先端と
を備え、
前記アンカーは、前記第1の細長い筒状部材の遠位端に固定され、
前記スプラインの遠位部は、所定の角度関係で前記遠位先端内に確実にかつ摺動せずに配置され、
前記スプラインは、縦軸に沿って前記アンカーと前記先端との間の線分から測定して約90°または約90°未満の角度で前記遠位先端に近づき、
前記バスケットアセンブリは半径方向に拡張された非円筒形状を有し、
前記スプラインは超弾性材料を含む、システム。 - ルーメン、近位端および遠位端を有する第2の細長い筒状部材をさらに備えて、
前記バスケットアセンブリは、前記第2の細長い筒状部材の前記ルーメン内に適合するように摺動して圧縮可能であり、
前記バスケットアセンブリは、前記第2の細長い筒状部材の前記ルーメン内に圧縮される場合、実質的に円筒形状を有し、
前記バスケットアセンブリは、前記第2の細長い筒状部材の前記ルーメン内に圧縮されず、前記第2の細長い筒状部材の前記遠位端を超えて配置される場合、前記半径方向に拡張された非円筒形状を有する、請求項24に記載のシステム。 - 前記所定の角度関係を形成する前記遠位先端における前記スプラインの間の角度は、全て実質的に互いに等しい、請求項24に記載のシステム。
- 前記所定の角度関係を形成する前記遠位先端における前記スプラインの間の少なくとも1つの角度は、前記遠位先端における前記スプラインの間の角度と互いに異なる、請求項24に記載のシステム。
- 前記バスケットアセンブリが前記半径方向に拡張された非円筒形状にある場合、前記スプラインは前記遠位先端を超えて延び、前記スプラインを前記アンカーに対して後方に曲げるように前記遠位先端を超える外向きの屈曲を含む、請求項24に記載のシステム。
- 前記スプラインは遠位端部を有し、さらに遠位スプライン端部は前記遠位先端内に確実にかつ摺動せずに配置される、請求項24に記載のシステム。
- 前記スプラインは、縦軸に沿って前記アンカーと前記遠位先端との間の線分から測定して45°未満の角度で前記遠位先端に近づく、請求項24に記載のシステム。
Applications Claiming Priority (4)
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US201161478340P | 2011-04-22 | 2011-04-22 | |
US61/478,340 | 2011-04-22 | ||
US201161555190P | 2011-11-03 | 2011-11-03 | |
US61/555,190 | 2011-11-03 |
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JP2015024550A Active JP6077576B2 (ja) | 2011-04-22 | 2015-02-10 | 心臓リズム障害を検出するための可撓性電極アセンブリを有するバスケットスタイル心臓マッピングカテーテル |
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JP2014506406A Active JP5697798B2 (ja) | 2011-04-22 | 2012-03-01 | 心臓リズム障害を検出するための可撓性電極アセンブリを有するバスケットスタイル心臓マッピングカテーテル |
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