JP2015504319A5 - - Google Patents

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JP2015504319A5
JP2015504319A5 JP2014535997A JP2014535997A JP2015504319A5 JP 2015504319 A5 JP2015504319 A5 JP 2015504319A5 JP 2014535997 A JP2014535997 A JP 2014535997A JP 2014535997 A JP2014535997 A JP 2014535997A JP 2015504319 A5 JP2015504319 A5 JP 2015504319A5
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shaft
catheter
drive
distal end
driver
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JP2014535997A
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JP2015504319A (ja
JP6356604B2 (ja
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Priority claimed from PCT/US2012/060672 external-priority patent/WO2013059363A1/en
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Claims (44)

  1. 屈曲可能な遠位端、
    遠位端の近位にある回転式カッター、
    回転式カッターを回転させるように構成されたカッター用ドライブシャフト、
    ドライブシャフトと中心を共有し、遠位端に連結されたプルシャフト
    を備え、
    プルシャフトは、該プルシャフトを引くことにより遠位端が屈曲し、これにより回転式カッターが露出するように構成された、
    アテローム切除カテーテル。
  2. 回転式カッターに連結されたOCT撮像用光ファイバを備えた、
    請求項1に記載のアテローム切除カテーテル。
  3. ドライブシャフトは中空であり、
    ドライブシャフト内にOCT撮像用光ファイバが延びる、
    請求項1に記載のアテローム切除カテーテル。
  4. 光ファイバは回転式カッターに連結され、
    その他の部分はドライブシャフト内で自由に浮遊した状態である、
    請求項3に記載のアテローム切除カテーテル。
  5. 光ファイバは、ドライブシャフトから軸外に、カテーテルの長さに沿って近位側から遠位側に延びる、
    請求項1に記載のアテローム切除カテーテル。
  6. プルシャフトは、遠位端と該プルシャフトの両方に連結されたプルワイヤを介して遠位端に連結された、
    請求項1に記載のアテローム切除カテーテル。
  7. プルシャフトとプルワイヤは、ドライブシャフトに対して移動可能である、
    請求項6に記載のアテローム切除カテーテル。
  8. ヒンジ機構を介して遠位端に連結されたアウターシャフトを備えた、
    請求項1に記載のアテローム切除カテーテル。
  9. プルシャフトはアウターシャフトと中心を共有し、かつ、ドライブシャフトとアウターシャフトとの間に配置された、
    請求項8に記載のアテローム切除カテーテル。
  10. プルシャフトは、カテーテルを回転させることなく遠位端を屈曲させるように構成された、
    請求項1に記載のアテローム切除カテーテル。
  11. カテーテル本体、
    屈曲可能な遠位端、ここで該屈曲可能な遠位端は、カテーテル本体の遠位領域にヒンジで連結されており、
    屈曲可能な遠位端の近位にある回転式カッター、
    屈曲可能な遠位端に取り付けられ、カッターとヒンジの外側で近位側に延びるプルワイヤ
    を備え、
    プルワイヤは、近位側に引かれて屈曲可能な遠位端を屈曲させるように構成された、
    アテローム切除カテーテル。
  12. 回転式カッターに連結されたOCT撮像用光ファイバを備えた、
    請求項11に記載のアテローム切除カテーテル。
  13. 光ファイバは回転式カッターに取り付けられ、
    その他の部分はカテーテル本体内で自由に浮遊した状態である、
    請求項12に記載のアテローム切除カテーテル。
  14. カテーテル本体内に延び且つプルワイヤに連結されたプルシャフトを備え、
    プルシャフトは、プルワイヤを近位側に引いて遠位端を屈曲させるように構成された、
    請求項11に記載のアテローム切除カテーテル。
  15. プルワイヤとプルシャフトは、カテーテル本体のアウターシャフトに対して移動可能である、
    請求項14に記載のアテローム切除カテーテル。
  16. プルシャフトは、アウターシャフトと中心を共有する、
    請求項15に記載のアテローム切除カテーテル。
  17. 回転式カッターを回転させるように構成されたドライブシャフトを備えた、
    請求項11に記載のアテローム切除カテーテル。
  18. ドライブシャフトは中空であり、
    ドライブシャフト内にOCT撮像用光ファイバが延びる、
    請求項17に記載のアテローム切除カテーテル。
  19. プルワイヤは、カテーテルを回転させることなく遠位端を屈曲させるように構成された、
    請求項11に記載のアテローム切除カテーテル。
  20. 遠位端の屈曲により、カッターが露出する、
    請求項11に記載のアテローム切除カテーテル。
  21. カテーテル内のドライブシャフトを駆動する非接触型駆動装置であって、
    ハウジング、
    カテーテルの先端領域を受けるハウジング内のチャネル、ここで該チャネルは、カテーテルがチャネルの表面に直接に接触しないように滅菌ドレープに覆われるように構成されており、
    ハウジング内の磁気駆動要素、ここで該磁気駆動要素は、チャネル内に磁界を生成し且つチャネル内に保持されたカテーテル内の磁気応答要素を駆動するように構成された複数の磁石または磁化可能要素を有するものであり、
    を備えた装置。
  22. 磁石を有する回転子を備え、
    該磁石は、回転子の周りに円周方向に配列した、
    請求項21に記載の非接触型駆動装置。
  23. 複数の磁石または磁化可能要素は、回転磁界を生成して磁気応答要素を回転させるように構成された、
    請求項21に記載の非接触型駆動装置。
  24. 複数の磁石または磁化可能要素は、長手方向に平行移動して磁気応答要素を長手方向に移動させるように構成された、
    請求項21に記載の非接触型駆動装置。
  25. 磁気駆動要素は、チャネル内に動的磁界を生成して磁気応答要素の回転を駆動するように構成された、
    請求項21に記載の非接触型駆動装置。
  26. 磁気チャネルは隙間であり、
    該隙間は、カテーテルの先端領域を該隙間の上に配置できるように構成された、
    請求項21に記載の非接触型駆動装置。
  27. カテーテルのシャフトを非接触型作動させるシステムであって、
    カテーテルの近位端からカテーテルの遠位端に延びるシャフトと、該シャフトの近位端に取り付けられた磁気応答要素とを含むカテーテル、
    磁気駆動要素を有するドライバ、ここでドライバは、カテーテルの近位端を受けるように構成されたものであり、
    を備え、
    磁気応答要素と磁気駆動要素とは磁気的に係合するように構成され、ドライバの作動がシャフトの作動を生じさせる、
    システム。
  28. カテーテルのシャフトを非接触型作動させるシステムであって、
    カテーテルの近位端からカテーテルの遠位端に延びるシャフトを含むカテーテル、
    カテーテルの近位端を受けると共に駆動機構を用いてシャフトを作動させるように構成されたドライバ
    を備え、
    システムは、ドライバがシャフトの作動を妨げることなく、駆動機構とシャフトとの間に滅菌被覆を介在させることができるように構成された、
    システム。
  29. カテーテルは、回転式カッターを含む、
    請求項27または28に記載のシステム。
  30. シャフトは、回転式カッターに連結されたドライブシャフトである、
    請求項29に記載のシステム。
  31. ドライバの作動により、ドライブシャフトの回転と回転式カッターの回転が生じる、
    請求項30に記載のシステム。
  32. ドライバの作動により、ドライブシャフトと回転式カッターの平行移動が生じる、
    請求項30に記載のシステム。
  33. 回転式カッターにはOCTセンサが取り付けられた、
    請求項29に記載のシステム。
  34. シャフトは、カテーテルのアウターシャフトである、
    請求項27または28に記載のシステム。
  35. ドライバの作動により、アウターシャフトが長手方向に平行移動する、
    請求項34に記載のシステム。
  36. ドライバの作動により、アウターシャフトが回転する、
    請求項34に記載のシステム。
  37. 応答要素は、ベアリングの周りに円周方向に配列した磁石を含み、
    該ベアリングは、シャフトに取り付けられた、
    請求項27または28に記載のシステム。
  38. 磁石は、交互に極性が並ぶように円の外周に配置された、
    請求項37に記載のシステム。
  39. ドライバは、磁石を有する回転子を含み、
    該磁石は、回転子の周りに円周方向に配列した、
    請求項27または28に記載のシステム。
  40. ドライバは、応答要素と駆動要素が係合できるようにカテーテルを保持するように構成されたチャネルを含む、
    請求項27または28に記載のシステム。
  41. カテーテルのシャフトを作動させる方法であって、
    カテーテルとドライバとの間に滅菌被覆を配置する工程、
    滅菌被覆を介して、カテーテルの応答要素を駆動要素に磁気的に係合させる工程、
    応答要素に連結されたカテーテルのシャフトが作動するように駆動要素を作動させる工程
    を含む方法。
  42. カテーテルのシャフトを作動させる方法であって、
    カテーテルとドライバとの間に滅菌被覆を配置する工程、
    滅菌被覆を介して、カテーテルのシャフトをドライバの駆動要素に係合させる工程、
    駆動要素に接することなくシャフトが作動するように駆動要素を作動させる工程
    を含む方法。
  43. 駆動要素を作動させる工程は、シャフトが回転するように駆動要素を回転させることを含む、
    請求項41または42に記載の方法。
  44. 駆動要素を作動させる工程は、シャフトが長手方向に平行移動するように駆動要素を長手方向に平行移動させることを含む、
    請求項41または42に記載の方法。
JP2014535997A 2011-10-17 2012-10-17 アテローム切除カテーテルおよびカテーテル用の非接触型作動機構 Expired - Fee Related JP6356604B2 (ja)

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Application Number Priority Date Filing Date Title
US201161548179P 2011-10-17 2011-10-17
US61/548,179 2011-10-17
US201261646843P 2012-05-14 2012-05-14
US61/646,843 2012-05-14
PCT/US2012/060672 WO2013059363A1 (en) 2011-10-17 2012-10-17 Atherectomy catheters and non-contact actuation mechanism for catheters

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JP2015504319A JP2015504319A (ja) 2015-02-12
JP2015504319A5 true JP2015504319A5 (ja) 2015-12-03
JP6356604B2 JP6356604B2 (ja) 2018-07-11

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US (1) US10363062B2 (ja)
EP (2) EP3653151A1 (ja)
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