JP2014525796A5 - - Google Patents

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JP2014525796A5
JP2014525796A5 JP2014522968A JP2014522968A JP2014525796A5 JP 2014525796 A5 JP2014525796 A5 JP 2014525796A5 JP 2014522968 A JP2014522968 A JP 2014522968A JP 2014522968 A JP2014522968 A JP 2014522968A JP 2014525796 A5 JP2014525796 A5 JP 2014525796A5
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engagement element
proximal
distal end
distal
microcatheter
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JP2014525796A (ja
JP6025846B2 (ja
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Priority claimed from US13/191,306 external-priority patent/US20130030460A1/en
Priority claimed from US13/543,657 external-priority patent/US11026708B2/en
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Claims (17)

  1. 身体の内腔において使用するデバイスであって、
    チューブコンパートメントと、
    近位端及び遠位端を有する中心ワイヤと、
    係合コンパートメントと、
    を備え、
    前記係合コンパートメントは、
    複数のワイヤ又はストラットを含み、遠位端が開いている近位係合要素と、
    複数のワイヤ又はストラットを含み、近位端が閉じられているとともに、拡張が可能な遠位係合要素と、
    を有し、
    前記遠位係合要素の前記近位端は、前記遠位係合要素の前記近位端から前記デバイスの近位端まで延びた前記中心ワイヤの前記遠位端に固定されており、前記遠位係合要素の身体の内腔における位置又は前記近位係合要素に対する位置は、前記中心ワイヤの動きによって制御され、
    前記遠位係合要素は、身体の内腔内にある閉塞と摩擦により係合し、前記遠位係合要素の前記近位端は、前記近位係合要素の前記遠位端の内側に収まり、その結果、前記閉塞は、前記遠位係合要素と前記近位係合要素との距離が短くなると、前記遠位係合要素の前記近位端と前記近位係合要素の前記遠位端との間で捕捉される、
    身体の内腔において使用するデバイス。
  2. 前記デバイスを送達するためのマイクロカテーテルをさらに含む、
    請求項1に記載のデバイス。
  3. 前記近位係合要素は、複数のワイヤ又はストラットを有する拡張可能な要素であって、漏斗状又は円錐形状の構造体に拡張することができる、
    請求項1に記載のデバイス。
  4. 前記近位係合要素は、前記中心ワイヤに結合され、前記中心ワイヤに沿って移動する、
    請求項1又は2に記載のデバイス。
  5. 前記近位係合要素は、前記デバイスの近位端に延びる前記チューブコンパートメントに固定され、身体の内腔内の前記近位係合要素の位置が、前記チューブコンパートメントの移動によって制御される、
    請求項1又は2に記載のデバイス。
  6. 前記近位係合要素は、前記チューブコンパートメントに固定されず、
    前記中心ワイヤに沿って自在に移動するよう構成されている、
    請求項1又は2に記載のデバイス。
  7. 前記近位係合要素は、前記マイクロカテーテルの遠位端に配置されている、
    請求項に記載のデバイス。
  8. 前記近位係合要素は、前記マイクロカテーテルの遠位端に固定されている、
    請求項に記載のデバイス。
  9. 前記近位係合要素は、前記マイクロカテーテルの一体化部分である、
    請求項に記載のデバイス。
  10. 前記近位係合要素は、前記マイクロカテーテルの遠位端部を含み、
    前記遠位端部は、前記マイクロカテーテルの遠位端に加わる圧力に応じて形状が変化するよう構成されている、
    請求項9に記載のデバイス。
  11. 前記近位係合要素は、マイクロカテーテル先端部及び前記マイクロカテーテル先端部を覆う薄いチューブの層を含むマイクロカテーテルの遠位端の一部を備え、
    前記近位係合要素の少なくとも一部は、前記薄いチューブの層が除去されたとき、形状を変更するように構成されている、
    請求項9又は10に記載のデバイス。
  12. 前記チューブコンパートメントは、プッシャーチューブ及び接続チューブを備える、
    請求項1から11のいずれか1項に記載のデバイス。
  13. 前記チューブコンパートメントは、可変の剛性を有する1つのチューブから作られ、
    前記チューブコンパートメントの近位端は、前記デバイスの押し込み性を高めるために硬質である一方で、
    前記チューブコンパートメントの遠位端は、前記デバイスが蛇行した解剖学的構造を通過できるように柔軟性及び可撓性を有する、
    請求項1から12のいずれか1項に記載のデバイス。
  14. 前記中心ワイヤは、ワイヤ、ケーブル又は編組を含む、
    請求項1から13のいずれか1項に記載のデバイス。
  15. 前記近位係合要素は、前記遠位係合要素に面する遠位端を含み、
    前記近位係合要素の遠位端は、曲げられ、丸められ、又は平滑化されている、
    請求項1から14のいずれか1項に記載のデバイス。
  16. 前記近位係合要素は、前記遠位係合要素に面する遠位端を含み、
    前記近位係合要素の遠位端は、身体の内腔の表面と直接接触しないように構成されている、
    請求項1から15のいずれか1項に記載のデバイス。
  17. 前記遠位係合要素及び前記近位係合要素の位置を固定し、固定した後の前記遠位係合要素及び前記近位係合要素の移動を同期させる機構をさらに有する、
    請求項1から16のいずれか1項に記載のデバイス。
JP2014522968A 2011-07-26 2012-07-25 血管内の血栓子除去デバイス及び同デバイスを使用する方法 Active JP6025846B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US13/191,306 US20130030460A1 (en) 2011-07-26 2011-07-26 Intravascular thromboembolectomy device and method using the same
US13/191,306 2011-07-26
US13/543,657 2012-07-06
US13/543,657 US11026708B2 (en) 2011-07-26 2012-07-06 Intravascular thromboembolectomy device and method using the same
PCT/US2012/048158 WO2013016435A1 (en) 2011-07-26 2012-07-25 Intravascular thromboembolectomy device and method using the same

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JP2014525796A JP2014525796A (ja) 2014-10-02
JP2014525796A5 true JP2014525796A5 (ja) 2015-09-03
JP6025846B2 JP6025846B2 (ja) 2016-11-16

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US (3) US11026708B2 (ja)
EP (1) EP2736425B1 (ja)
JP (1) JP6025846B2 (ja)
CN (2) CN103764049A (ja)
CA (1) CA2841980C (ja)
ES (1) ES2775193T3 (ja)
WO (1) WO2013016435A1 (ja)

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