JP2017500153A5 - - Google Patents

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JP2017500153A5
JP2017500153A5 JP2016542701A JP2016542701A JP2017500153A5 JP 2017500153 A5 JP2017500153 A5 JP 2017500153A5 JP 2016542701 A JP2016542701 A JP 2016542701A JP 2016542701 A JP2016542701 A JP 2016542701A JP 2017500153 A5 JP2017500153 A5 JP 2017500153A5
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  1. 動脈を治療するためのデバイスのシステムであって、
    動脈中に介入カテーテルを導入するように構成された動脈アクセスシースであって、動脈アクセスシースは、頸動脈アクセスサイトを介して総頸動脈中に導入される寸法および形状にされたシース本体を含み、第1の細長い本体が前記総頸動脈中に配置されたときに、前記シース本体が、カテーテルを前記総頸動脈に導入するための通路を提供する内腔を画定し、前記シース本体は、近位部および前記近位部より柔軟な最遠位部を有し、前記シース本体の全長に対する前記最遠位部の全体長さの比が、前記シース本体の全長の1/10〜1/2である、動脈アクセスシースと、
    前記シース本体の内腔内に配置可能な細長い拡張器であって、前記動脈アクセスシースおよび前記拡張器を共に前記総頸動脈中に導入することができる、拡張器と、
    頸動脈アクセスサイトを介して、前記動脈アクセスシースの内腔を通って総頸動脈中に導入される寸法および形状にされた細長いカテーテル本体から形成されたカテーテルであって、前記カテーテル本体が前記頸動脈中の前記アクセス位置を介して前記総頸動脈を通って頭蓋内動脈の遠位に進められる寸法および形状にされ、前記カテーテル本体が40cm〜70cmの長さを有し、前記カテーテル本体が最近位部および最遠位部を有し、前記最近位部は前記カテーテル本体の最も硬い部分であり、前記カテーテル本体は、使用中に前記最遠位部が頭蓋内動脈中に配置可能で且つ前記最近位部の少なくとも一部が前記総頸動脈中に配置されるような全長および最遠位部長さを有する、カテーテルと、を含むシステム。
  2. 前記カテーテル本体の前記最遠位部が、5cm〜15cmの長さである、請求項1に記載のシステム。
  3. 前記カテーテルが、115cmの長さおよび0.058インチの直径の内腔を有するカテーテルの吸引速度よりも、少なくとも85%大きい吸引速度を達成することができ、吸引速度が、体温でのヒト血液の粘度を有する流体によるチューブ中の層流に対するポアズイユの法則に基づき計算される、請求項1に記載のシステム。
  4. 前記介入カテーテルが、105cmの長さおよび0.072インチの直径の内腔を有するカテーテルの吸引速度よりも、少なくとも71%大きい吸引速度を達成することができ、吸引速度が、体温でのヒト血液の粘度を有する流体によるチューブ中の層流に対するポアズイユの法則に基づき計算される、請求項1に記載のシステム。
  5. 前記カテーテル本体が、体温でのヒト血液の粘度を有する流体に対し、少なくとも205mL/分の実際の吸引速度を達成する、請求項1に記載のシステム。
  6. 前記カテーテル本体が、体温でのヒト血液の粘度を有する流体に対し、少なくとも321mL/分の実際の吸引速度を達成する、請求項1に記載のシステム。
  7. 前記介入カテーテルが、115cmの長さおよび0.058インチの直径の内腔を有するカテーテルの吸引速度よりも、少なくとも59%大きい実際の吸引速度を達成することができる、請求項1に記載のシステム。
  8. 前記介入カテーテルが、105cmの長さおよび0.072インチの直径の内腔を有するカテーテルの吸引速度よりも、少なくとも23%大きい実際の吸引速度を達成することができる、請求項1に記載のシステム。
  9. 前記シース本体は、前記シース本体の遠位領域が、前記シース本体の近位領域の大きい直径に比べて縮小された直径を有するように、階段状になっており、
    同様に、前記カテーテル本体は、前記カテーテル本体の遠位領域が、前記カテーテル本体の近位領域の大きい直径に比べて縮小された直径を有するように、階段状になっている、請求項1に記載のシステム。
  10. 前記カテーテル本体の内径および外径の両方が階段状になっている、請求項9に記載のシステム。
  11. 前記カテーテル本体の近位領域の前記大きい直径が、前記カテーテル本体の遠位領域の直径より10〜25%大きい直径を有する、請求項9に記載のシステム。
  12. 前記カテーテル本体の遠位領域が、10〜25cmの長さである、請求項9に記載のシステム。
  13. 前記介入カテーテルが、115cmの長さおよび0.058インチの直径の内腔を有するカテーテルの吸引速度よりも、少なくとも179%大きい吸引速度を達成することができ、吸引速度が、体温でのヒト血液の粘度を有する流体によるチューブ中の層流に対するポアズイユの法則に基づき計算される、請求項9に記載のシステム。
  14. 前記介入カテーテルが、105cmの長さおよび0.072インチの直径の内腔を有するカテーテルの吸引速度よりも、少なくとも128%大きい吸引速度を達成することができ、吸引速度が、体温でのヒト血液の粘度を有する流体によるチューブ中の層流に対するポアズイユの法則に基づき計算される、請求項9に記載のシステム。
  15. 前記カテーテルが、前記動脈アクセスシースの長手方向軸に沿って前記動脈アクセスシースの遠位端から遠位方向に伸縮自在に伸びて、前記動脈アクセスシースと前記カテーテルとの間で連続的な内腔を形成することができるように、前記カテーテルが、前記動脈アクセスシースに伸縮自在に取り付けられており、
    前記カテーテルが、前記動脈アクセスデバイスの遠位端を越えて伸びないように伸縮自在に後退することができる、請求項1に記載のシステム。
  16. 前記シース本体が、15〜30cmの長さであり、前記カテーテルが10〜15cmの長さである、請求項1に記載のシステム。
  17. 前記介入カテーテルが、115cmの長さおよび0.058インチの直径の内腔を有するカテーテルの吸引速度よりも、少なくとも337%大きい吸引速度を達成することができ、吸引速度が、体温でのヒト血液の粘度を有する流体によるチューブ中の層流に対するポアズイユの法則に基づき計算される、請求項15に記載のシステム。
  18. 前記介入カテーテルが、105cmの長さおよび0.072インチの直径の内腔を有するカテーテルの吸引速度よりも、少なくとも251%大きい吸引速度を達成することができ、吸引速度が、体温でのヒト血液の粘度を有する流体によるチューブ中の層流に対するポアズイユの法則に基づき計算される、請求項15に記載のシステム。
JP2016542701A 2013-12-23 2014-12-19 急性虚血性脳卒中の治療方法および治療システム Active JP6883989B2 (ja)

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US201361919945P 2013-12-23 2013-12-23
US61/919,945 2013-12-23
US201462029799P 2014-07-28 2014-07-28
US62/029,799 2014-07-28
US201462046112P 2014-09-04 2014-09-04
US62/046,112 2014-09-04
US201462075169P 2014-11-04 2014-11-04
US201462075101P 2014-11-04 2014-11-04
US62/075,101 2014-11-04
US62/075,169 2014-11-04
US201462083128P 2014-11-21 2014-11-21
US62/083,128 2014-11-21
PCT/US2014/071676 WO2015100178A1 (en) 2013-12-23 2014-12-19 Methods and systems for treatment of acute ischemic stroke

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