JPWO2020036809A5 - - Google Patents

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JPWO2020036809A5
JPWO2020036809A5 JP2021507564A JP2021507564A JPWO2020036809A5 JP WO2020036809 A5 JPWO2020036809 A5 JP WO2020036809A5 JP 2021507564 A JP2021507564 A JP 2021507564A JP 2021507564 A JP2021507564 A JP 2021507564A JP WO2020036809 A5 JPWO2020036809 A5 JP WO2020036809A5
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catheter
control device
syringe
fluid control
pressure source
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本明細書に提供される見出しは、便宜上のものであり、開示される主題を限定するものとして解釈されるべきでない。
本発明は、例えば、以下を提供する。
(項目1)
ヒト患者の血管内からの凝塊物質を血管内治療するための方法であって、前記方法が、
カテーテルの遠位部分を前記血管内の前記凝塊物質に近接して配置することと、
流体制御装置を介して圧力源を前記カテーテルに結合させることであって、(a)前記流体制御装置を開くことで前記圧力源を前記カテーテルに流体接続し、(b)前記流体制御装置を閉じることで前記カテーテルから前記圧力源を流体接続解除する、結合させることと、
前記流体制御装置が閉じられている間、前記圧力源を作動させて、真空を発生させることと、
前記流体制御装置を開いて、前記真空を前記カテーテルに印加し、それによって、前記凝塊物質の少なくとも一部分を前記カテーテルの中へ吸引することと、を含む、方法。
(項目2)
前記カテーテルが、第1の直径を有するルーメンを画定し、前記圧力源が、先端部を有するシリンジを含み、前記先端部が、前記第1の直径よりも大きい第2の直径を有するボアを画定する、項目1に記載の方法。
(項目3)
前記シリンジが、真空圧力ロックシリンジである、項目2に記載の方法。
(項目4)
前記流体制御装置を開いて、前記真空を前記カテーテルに印加することが、約1秒未満にわたって、前記カテーテルの前記遠位部分において吸入を発生させることを含む、項目1に記載の方法。
(項目5)
前記圧力源が、圧力容器と、一方向弁を介して前記圧力容器に流体連結されたシリンジを含み、
前記圧力源を前記カテーテルに結合させることが、前記圧力容器を前記カテーテルに結合させることを含み、
前記圧力源を作動させて、前記真空を発生させることが、前記シリンジを1回以上作動させて、前記圧力容器から排出することを含む、項目1に記載の方法。
(項目6)
前記シリンジが、第2のシリンジであり、前記圧力容器が、第1のシリンジであり、前記圧力源を作動させることが、(i)前記第1のシリンジを作動させることと、(ii)前記第2のシリンジを作動させることと、を含む、項目5に記載の方法。
(項目7)
前記圧力源を作動させることが、前記第1のシリンジを作動させる前に、前記第2のシリンジを作動させることを含む、項目6に記載の方法。
(項目8)
前記圧力源が、第1のプランジャおよび第2のプランジャを有するシリンジを含み、前記圧力源を作動させることが、前記第1のプランジャを後退させることを含み、前記流体制御装置を開くことが、前記第2のプランジャを後退させることを含む、項目1に記載の方法。
(項目9)
前記第1のプランジャのさらなる後退が前記第2のプランジャを同時に後退させるように、前記第1のプランジャを第1の距離だけ後退させた後に、前記第1のプランジャが、前記第2のプランジャに係合する、項目8に記載の方法。
(項目10)
前記圧力源が、約60ccを超える容積を有するシリンジであり、前記圧力源を作動させることが、ハンドルを回転させて、前記シリンジのプランジャを後退させることを含む、項目1に記載の方法。
(項目11)
前記流体制御装置を開いて、前記真空を印加することが、前記カテーテルの前記遠位部分においてほぼ瞬間的な吸入を提供することを含む、項目1に記載の方法。
(項目12)
前記カテーテルの前記遠位部分を配置することが、前記遠位部分を前記凝塊物質の近位に配置することを含む、項目1に記載の方法。
(項目13)
前記カテーテルの前記遠位部分を配置することが、前記遠位部分を少なくとも部分的に前記凝塊物質内に配置することを含む、項目1に記載の方法。
(項目14)
前記方法が、前記圧力源と前記カテーテルとの間に流体結合されたフィルタを介して、血液から前記凝塊物質を濾過することをさらに含む、項目1に記載の方法。
(項目15)
前記方法が、前記カテーテルを介して、前記濾過された血液を前記血管の中へ再導入することをさらに含む、項目14に記載の方法。
(項目16)
前記血液から前記凝塊物質を濾過することが、前記圧力源内の前記血液から前記凝塊物質を濾過することを含む、項目15に記載の方法。
(項目17)
ヒト患者の血管内からの凝塊物質を血管内治療するための方法であって、前記方法が、
第1のカテーテルの遠位部分を前記血管内の前記凝塊物質に近接して治療部位に配置することと、
流体制御装置を介して圧力源を前記第1のカテーテルに結合させることであって、(a)前記流体制御装置を開くことで前記圧力源を前記第1のカテーテルに流体接続し、(b)前記流体制御装置を閉じることで前記第1のカテーテルから前記圧力源を流体接続解除する、結合させることと、
前記流体制御装置が閉じられている間、第1の圧力源を作動させて、真空を発生させることと、
前記流体制御装置を開いて、前記真空を前記第1のカテーテルに印加し、それによって、前記凝塊物質の少なくとも一部分を前記第1のカテーテルの中へ吸引することと、
前記第1のカテーテルを第2のカテーテルの遠位部分の中へ後退させることと、を含む、方法。
(項目18)
前記第2のカテーテルを通して前記患者から前記第1のカテーテルを引き出すことと、
前記第2のカテーテルを通して第3のカテーテルを前記治療部位に前進させることと、をさらに含む、項目17に記載の方法。
(項目19)
前記圧力源が、第1の圧力源であり、前記方法が、
第2の圧力源を前記第2のカテーテルに結合させることと、
前記第2の圧力源を作動させて、前記第2のカテーテルの前記遠位部分において吸入を発生させることと、をさらに含む、項目17に記載の方法。
(項目20)
前記圧力源が、第1の圧力源であり、前記流体制御装置が、第1の流体制御装置であり、前記方法が、第2の流体制御装置を介して第2の圧力源を前記第2のカテーテルに結合させることをさらに含み、(a)前記第2の流体制御装置を開くことで前記第2の圧力源を前記第2のカテーテルに流体接続し、(b)前記流体制御装置を閉じることで前記第2のカテーテルから前記第2の圧力源を流体接続解除する、項目17に記載の方法。
(項目21)
前記第2の流体制御装置が閉じられている間、前記第2の圧力源を作動させて、真空を生じさせることと、
前記第2の流体制御装置を開いて、前記真空を前記第2のカテーテルに印加し、それによって、前記第2のカテーテルの前記遠位部分において吸入を発生させることと、をさらに含む、項目20に記載の方法。
(項目22)
前記圧力源が、第1の圧力源であり、前記第1のカテーテルの前記遠位部分を前記治療部位に配置することが、前記第2のカテーテルのルーメンを通してかつシールを越えて前記第1のカテーテルを前進させることを含み、前記シールが、前記血管から前記第2のカテーテルの前記ルーメンを流体接続解除し、前記方法が、
第2の圧力源を前記第2のカテーテルに結合させることと、
前記第2の圧力源を作動させて、前記第2のカテーテルの前記ルーメン内に真空を発生させることと、
前記流体制御装置を開いた後に、前記第2のカテーテルの前記ルーメンを通してかつ前記シールを越えて前記第1のカテーテルを後退させ、それによって、前記凝塊物質の別の部分を前記第2のカテーテルの中へ吸引することと、をさらに含む、項目17に記載の方法。
(項目23)
前記方法が、前記第2のカテーテルの前記遠位部分を前記血管内の前記治療部位に近接して配置することをさらに含む、項目17に記載の方法。
(項目24)
前記第1のカテーテルの前記遠位部分を配置することが、前記第2のカテーテルを配置する前に、前記第1のカテーテルを前記血管を通して前進させることを含み、前記第2のカテーテルの前記遠位部分を配置することが、前記第1のカテーテルを越えて前記第2のカテーテルを前進させることを含む、項目23に記載の方法。
(項目25)
前記第2のカテーテルの前記遠位部分を配置することが、前記第1のカテーテルを配置する前に、前記第2のカテーテルを前記血管を通して前進させることを含み、前記第1のカテーテルを配置することが、前記第2のカテーテルのルーメンを通して前記第1のカテーテルを前進させることを含む、項目23に記載の方法。
(項目26)
ヒト患者の血管内からの凝塊物質を血管内治療するためのシステムであって、前記システムが、
前記血管内の前記凝塊物質に近接する治療部位において血管内配置されるように構成されたカテーテルと、
前記カテーテルに結合され、流体制御装置を含む、チュービング組立体と、
陰圧を発生させるための圧力源と、を備え、
前記圧力源が、前記チュービング組立体に結合されるように構成された先端部を含み、
前記先端部が、前記カテーテルの直径以上の直径を有するボアを画定し、
前記流体制御装置が、(a)前記圧力源が前記チュービング組立体を介して前記カテーテルに流体接続される第1の位置と、(b)前記圧力源が前記カテーテルから流体接続解除される第2の位置との間で移動可能である、システム。
(項目27)
前記圧力源が、シリンジであり、前記ボアの前記直径が、20フレンチを超える、項目26に記載のシステム。
(項目28)
前記圧力源が、
前記先端部を有する圧力容器と、
プランジャを有するシリンジと、
前記圧力容器を前記シリンジに結合させる第1の一方向弁と、
前記シリンジに結合された第2の一方向弁と、を含み、
前記プランジャの第1の方向への移動が、前記一方向弁を通して流体を前記圧力容器から前記シリンジに引き込み、
前記プランジャの第2の方向への移動が、前記第2の一方向弁を通して前記シリンジから流体を押し出す、項目26に記載のシステム。
(項目29)
前記プランジャの前記第2の方向への移動中に、前記第1の一方向弁が閉じられる、項目28に記載のシステム。
(項目30)
前記プランジャの前記第1の方向への移動中に、前記第2の一方向弁が閉じられる、項目28に記載のシステム。
(項目31)
前記圧力容器が、シリンジである、項目28に記載のシステム。
(項目32)
ヒト患者の血管内の凝塊物質に近接して吸引カテーテルを血管内配置するための方法であって、前記方法が、
前記血管を通して前記吸引カテーテルを前記凝塊物質に向かって前進させることと、
前記吸引カテーテルに流体接続された弁を開くことと、
実質的に前記弁を通る血液の流れが存在しないと判定することによって、前記吸引カテーテルの遠位部分が、前記凝塊物質と係合していると判定することと、
前記吸引カテーテルを近位に後退させることと、
前記弁を通る血液の流れが存在すると判定することによって、前記吸引カテーテルの前記遠位部分が、前記凝塊物質の近位に配置されていると判定することと、
前記弁を閉じることと、を含む、方法。
(項目33)
前記方法が、前記吸引カテーテルを近位に後退させる前に、前記弁を閉じることをさらに含む、項目32に記載の方法。
(項目34)
前記弁を開くことが、前記弁のボタンを押下することを含む、項目32に記載の方法。

Claims (28)

  1. ヒト患者の血管内からの凝塊物質を血管内治療するためのシステムであって、前記システムは
    前記血管内の前記凝塊物質に近接して配置されるように構成される遠位部分を有するカテーテルであって、前記カテーテルは、9フレンチ以上の第1の直径を有するルーメンを画定する、カテーテルと、
    前記第1の直径を越える第2の直径を有するボアを画定する先端部を有するシリンジと、
    前記シリンジに流体結合される流体制御装置であって、前記流体制御装置は、開位置と閉位置との間を移動させられるように構成され、前記開位置において、前記流体制御装置は、前記シリンジを前記カテーテルに流体接続し、前記閉位置において、前記流体制御装置は、前記カテーテルから前記シリンジを流体接続解除する、流体制御装置と
    を備え、
    前記流体制御装置が前記位置にあるとき、前記シリンジは、真空を発生させるように作動可能であり、
    前記真空を発生させた後に前記流体制御装置を前記閉位置から前記開位置に移動させることは、前記真空を前記カテーテルに印加し、それによって、前記凝塊物質の少なくとも一部分を前記カテーテルの中へ吸引するように構成される、システム。
  2. 前記シリンジ、真空圧力ロックシリンジである、請求項に記載のシステム
  3. 前記真空を発生させた後に前記流体制御装置を前記閉位置から前記開位置に移動させることは、約1秒未満にわたって、前記カテーテルの前記遠位部分において吸入を発生させるように構成される、請求項1に記載のシステム
  4. 力容器をさらに備え、前記シリンジは、一方向弁を介して前記圧力容器に流体連結され、前記圧力容器は、前記流体制御装置に流体結合され、前記シリンジは、前記圧力容器から排出するように作動可能である、請求項1に記載のシステム
  5. 前記シリンジが、第のシリンジであり、前記圧力容器が、第のシリンジである、請求項に記載のシステム
  6. 前記シリンジは、第1のプランジャおよび第2のプランジャを有し、前記第1のプランジャ後退は、前記真空を発生させるように構成され、前記第2のプランジャ後退は、前記流体制御装置を開くように構成される、請求項1に記載のシステム
  7. 前記第1のプランジャのさらなる後退が前記第2のプランジャを同時に後退させるように、前記第1のプランジャ第1の距離だけ後退させられた後に、前記第1のプランジャ、前記第2のプランジャに係合するように構成される、請求項に記載のシステム
  8. 前記シリンジは、約60ccを超える容積を有前記シリンジは、ハンドルおよびプランジャを含み、前記ハンドルは、前記プランジャを後退させて前記真空を発生させるように、回転可能である、請求項1に記載のシステム
  9. 前記真空を発生させた後に前記流体制御装置を前記閉位置から前記開位置に移動させることは、前記カテーテルの前記遠位部分においてほぼ瞬間的な吸入を発生させるように構成される、請求項1に記載のシステム
  10. 前記カテーテルの前記遠位部分は、前記凝塊物質の近位に配置されるように構成される、請求項1に記載のシステム
  11. 前記カテーテルの前記遠位部分は、少なくとも部分的に前記凝塊物質内に配置されるように構成される、請求項1に記載のシステム
  12. フィルタを含むフィルタアセンブリをさらに備え、前記フィルタは、圧力源と前記カテーテルとの間に流体結合され血液から前記凝塊物質を濾過するように構成される、請求項1に記載のシステム
  13. 前記フィルタアセンブリは、前記カテーテルを介して、前記濾過された血液を前記血管の中へ再導入するように構成される、請求項12に記載のシステム
  14. 前記フィルタは、前記シリンジ内に配置される、請求項12に記載のシステム
  15. 前記カテーテルは、第1のカテーテルであり、
    第2のカテーテルをさらに備え、前記第1のカテーテルは、前記第2のカテーテルを通して前進および/または後退させられるように構成される、請求項1に記載のシステム。
  16. ヒト患者の血管内からの凝塊物質を血管内治療するためのシステムであって、前記システムは、
    前記血管内の前記凝塊物質に近接して配置されるように構成される遠位部分を有する第1のカテーテルと、
    第1の圧力源と、
    前記第1の圧力源に流体結合される第1の流体制御装置であって、前記第1の流体制御装置は、開位置と閉位置との間を移動させられるように構成され、前記開位置において、前記第1の流体制御装置は、前記第1の圧力源を前記第1のカテーテルに流体接続し、前記閉位置において、前記第1の流体制御装置は、前記第1のカテーテルから前記第1の圧力源を流体接続解除し、前記第1の流体制御装置が前記閉位置にあるとき、前記第1の圧力源は、真空を発生させるように作動可能であり、前記真空を発生させた後に前記第1の流体制御装置を前記閉位置から前記開位置に移動させることは、前記真空を前記第1のカテーテルに印加し、それによって、前記凝塊物質の少なくとも一部分を前記第1のカテーテルの中へ吸引するように構成される、第1の流体制御装置と、
    第2のカテーテルであって、前記第1のカテーテルは、前記第2のカテーテルを通して前進および/または後退させられるように構成される、第2のカテーテルと、
    前記第2のカテーテルに流体結合されるように構成される第2の圧力源と、
    を備え、
    前記第2の圧力源は、前記第2のカテーテル遠位部分において吸入を発生させるように作動可能である、システム
  17. 前記流体制御装置、第1の流体制御装置であり第2の流体制御装置を介して前記第2のカテーテルに流体結合されるように構成される圧力源をさらに備え、前記第2の流体制御装置は、開位置と閉位置との間を移動させられるように構成され、前記開位置において、前記第2の流体制御装置は、前記圧力源を前記第2のカテーテルに流体接続し、前記閉位置において、前記第2の流体制御装置は、前記第2のカテーテルから前記圧力源を流体接続解除する、請求項15に記載のシステム
  18. 前記第2の流体制御装置が前記閉位置にあるとき、前記第2の圧力源は、真空を生じさせるように作動可能であり、
    前記真空を生じさせた後に前記第2の流体制御装置を前記閉位置から前記開位置に移動させることは、前記真空を前記第2のカテーテルに印加し、それによって、前記第2のカテーテル遠位部分において吸入を発生させるように構成される、請求項17に記載のシステム
  19. 前記第2のカテーテルは、ルーメンを画定し、前記ルーメン内にシールをさらに備え、前記シール、前記血管から前記第2のカテーテルの前記ルーメンを流体接続解除する、請求項15に記載のシステム
  20. 前記第2のカテーテル遠位部分は、前記血管内の前記治療部位に近接して配置されるように構成される、請求項15に記載のシステム
  21. 前記第2のカテーテルは、前記第1のカテーテルを越え前進させられるように構成される、請求項20に記載のシステム
  22. ヒト患者の血管内からの凝塊物質を血管内治療するためのシステムであって、前記システム
    前記血管内の前記凝塊物質に近接する治療部位において血管内配置されるように構成されたカテーテルと、
    前記カテーテルに結合され、流体制御装置を含チュービング組立体と、
    陰圧を発生させるための圧力源
    を備え、
    前記圧力源、前記チュービング組立体に結合されるように構成された先端部を含み、
    前記先端部、前記カテーテルの直径以上の直径を有するボアを画定し、
    前記流体制御装置、(a)前記圧力源が前記チュービング組立体を介して前記カテーテルに流体接続される第1の位置と、(b)前記圧力源が前記カテーテルから流体接続解除される第2の位置との間で移動可能である、システム。
  23. 前記圧力源、シリンジであり、前記ボア直径、20フレンチを超える、請求項22に記載のシステム。
  24. 前記圧力源
    前記先端部を有する圧力容器と、
    プランジャを有するシリンジと、
    前記圧力容器を前記シリンジに結合させる第1の一方向弁と、
    前記シリンジに結合された第2の一方向弁
    を含み、
    前記プランジャの第1の方向への移動、前記一方向弁を通して流体を前記圧力容器から前記シリンジに引き込み、
    前記プランジャの第2の方向への移動、前記第2の一方向弁を通して前記シリンジから流体を押し出す、請求項22に記載のシステム。
  25. 前記プランジャの前記第2の方向への移動中に、前記第1の一方向弁が閉じられる、請求項24に記載のシステム。
  26. 前記プランジャの前記第1の方向への移動中に、前記第2の一方向弁が閉じられる、請求項24に記載のシステム。
  27. 前記圧力容器、シリンジである、請求項24に記載のシステム。
  28. 前記カテーテルの直径は、9フレンチ以上である、請求項23に記載のシステム。
JP2021507564A 2018-08-13 2019-08-08 塞栓症を治療するためのシステムならびに関連する装置および方法 Pending JP2021534851A (ja)

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