JP2012505060A5 - - Google Patents

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JP2012505060A5
JP2012505060A5 JP2011531255A JP2011531255A JP2012505060A5 JP 2012505060 A5 JP2012505060 A5 JP 2012505060A5 JP 2011531255 A JP2011531255 A JP 2011531255A JP 2011531255 A JP2011531255 A JP 2011531255A JP 2012505060 A5 JP2012505060 A5 JP 2012505060A5
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本発明のこれらおよび他の側面は、以下の好ましい実施形態、図、および特許請求の範囲の説明から明白となるであろう。本発明の1つ以上の実施形態の詳細は、以下の添付図面および明細書に記載される。本発明の他の特徴、目的、および利点は、明細書および図面、ならびに特許請求の範囲から明白となるであろう。
本発明は、例えば、以下を提供する。
(項目1)
血管の管腔における治療部位で手技を行うためのカテーテルであって、該血管は、該治療部位で直径Dを有し、該カテーテルは、
遠位端および近位端ならびに管腔を画定する側壁を有する、細長い管状シャフトであって、該細長い管状シャフトは、近位屈曲部と、遠位屈曲部と、ヒンジ要素とを有し、該近位屈曲部は、ゼロより大きい第1の角度を画定し、該遠位屈曲部は、該第1の角度より大きい第2の角度を画定し、該ヒンジ要素は、該細長い管状シャフトの該遠位端の近位かつ該遠位屈曲部の遠位に位置し、該遠位屈曲部は、該近位屈曲部と該ヒンジ要素との間に位置し、該細長い管状シャフトの遠位部分は、該細長い管状シャフトの該ヒンジ要素と該遠位端との間に延在し、該細長い管状シャフトの中央部分は、該ヒンジ要素と該近位屈曲部との間に延在し、該遠位部分は、該細長い管状シャフトの該ヒンジ要素と該遠位端との間で該側壁を通して延在するウィンドウを含む、細長い管状シャフトと、
該細長い管状シャフトの該管腔内に配置される作業要素であって、該作業要素は、該ウィンドウを通して該治療部位で該手技を行うために構成され、該第1および第2の角度は、該治療部位で該血管の壁に対して該ウィンドウが付勢されるように、該近位屈曲部と該ヒンジ要素との間に、直径Dより大きい該細長い管状シャフトの最大偏位を形成するように選択される、作業要素と
を備える、カテーテル。
(項目2)
上記近位および遠位屈曲部は、第1の平面内に位置するように構成され、上記ヒンジ要素は、該第1の平面内でのみ、上記中央部分に対する上記遠位部分の屈曲を許容するように構成される、項目1に記載のカテーテル。
(項目3)
上記第1および第2の角度は、約0.05〜0.50ポンドの範囲の力で上記血管の壁に対して上記ウィンドウを付勢するように選択される、項目1に記載のカテーテル。
(項目4)
上記第1の角度は、約90°〜150°の範囲であり、上記第2の角度は、約100°〜180°の範囲である、項目1に記載のカテーテル。
(項目5)
上記近位屈曲部から上記遠位屈曲部までの長さは、該遠位屈曲部から上記ヒンジ要素までの長さよりも長い、項目1に記載のカテーテル。
(項目6)
上記近位屈曲部と上記遠位屈曲部との間の長さは、約0.5〜2.0インチの範囲である、項目1に記載のカテーテル。
(項目7)
上記遠位屈曲部と上記ヒンジ要素との間の長さは、約0.375〜0.625インチの範囲である、項目1に記載のカテーテル。
(項目8)
上記最大偏位は、約3〜40mmの範囲である、項目1に記載のカテーテル。
(項目9)
上記細長い管状シャフトを受容するようにサイズ決定される管腔を画定する本体を有するシャフト操作部材をさらに備え、
該シャフト操作部材は、対向するシャフト係合要素を該本体内にさらに有し、該シャフト係合要素は、該シャフト係合要素が該細長い管状シャフトに係合し、該細長い管状シャフト上で該本体をロックするロック位置と、該本体が自由に回転し、該細長い管状シャフト上を軸方向に並進するロック解除位置との間で移動可能である、項目1に記載のカテーテル。
(項目10)
上記シャフト係合要素は、上記ロック解除位置において付勢されている、項目9に記載のカテーテル。
(項目11)
上記作業要素は、アテローム切除術用切除デバイスである、項目1に記載のカテーテル。
(項目12)
血管の管腔における治療部位で手技を行うためのカテーテルであって、
遠位端および近位端ならびに管腔を画定する側壁を有する、細長い管状シャフトであって、該細長い管状シャフトは、連続的に減少する曲率半径を有する湾曲した遠位部分を有し、該連続的に減少する曲率半径は、該細長い管状シャフトの該遠位部分の近位端から該遠位端まで第1の平面内に配向され、該遠位部分は、該細長い管状シャフトの該遠位端の近位に位置するヒンジ要素を含み、該ヒンジ要素は、該遠位部分を、該ヒンジ要素と該細長い管状シャフトの該遠位端との間の遠位セグメントと、該ヒンジ要素と該遠位部分の該近位端との間の近位セグメントとに分割し、該ヒンジ要素は、該第1の平面内でのみ、該近位セグメントに対して該遠位セグメントが屈曲することを許容するように構成され、該遠位セグメントは、該ヒンジ要素と該細長い管状シャフトの該遠位端との間で該側壁を通して延在するウィンドウを含む、細長い管状シャフトと、
該細長い管状シャフトの該管腔内に配置される作業要素であって、該作業要素は、該ウィンドウを通して該治療部位で該手技を行うために構成され、該連続的に減少する曲率半径は、使用中に、該治療部位で該血管の壁に対して該ウィンドウを付勢するように選択される、作業要素と
を備える、カテーテル。
(項目13)
上記湾曲した遠位部分は、約90°〜720°の範囲の連続的な曲線を形成する、項目12に記載のカテーテル
(項目14)
上記湾曲した遠位部分の最大曲げ径は、約3mm〜50mmの範囲である、項目12に記載のカテーテル
(項目15)
上記細長い管状シャフトを受容するようにサイズ決定される管腔を画定する、本体を有するシャフト操作部材をさらに備え、該シャフト操作部材は、対向するシャフト係合要素をさらに有し、該シャフト係合要素は、該シャフト係合要素が該細長い管状シャフトに係合し、該細長い管状シャフト上で該本体をロックするロック位置と、該本体が自由に回転し、該細長い管状シャフト上を軸方向に並進するロック解除位置との間で移動可能である、項目12に記載のカテーテル。
(項目16)
上記シャフト係合要素は、上記ロック解除位置において付勢されている、項目15に記載のカテーテル。
(項目17)
上記作業要素は、アテローム切除術用切除デバイスである、項目12に記載のカテーテル。
(項目18)
血管の管腔における治療部位で手技を行うための方法であって、
遠位端および近位端ならびに管腔を画定する側壁を有する、細長い管状シャフトを提供するステップであって、該細長い管状シャフトは、近位屈曲部と、遠位屈曲部と、ヒンジ要素とを有し、該近位屈曲部は、ゼロより大きい第1の角度を画定し、該遠位屈曲部は、該第1の角度より大きい第2の角度を画定し、該近位屈曲部および遠位屈曲部は、第1の方向に配向され、該ヒンジ要素は、該細長い管状シャフトの該遠位端の近位かつ該遠位屈曲部の遠位に位置し、該遠位屈曲部は、該近位屈曲部と該ヒンジ要素との間に位置し、該細長い管状シャフトの遠位部分は、該ヒンジ要素と該細長い管状シャフトの該遠位端との間に延在し、該細長い管状シャフトの中央部分は、該ヒンジ要素と該近位屈曲部との間に延在し、該遠位部分は、該ヒンジ要素と該細長い管状シャフトの該遠位端との間で該側壁を通り延在するウィンドウを含む、ステップと、
該血管の該管腔を通して、該細長い管状シャフトを該治療部位まで前進させるステップと、
該治療部位で所望の場所において該血管の壁に対して該ウィンドウを付勢するために、該近位屈曲部および該遠位屈曲部が、該ヒンジ要素で、該細長い管状シャフトの該遠位部分を、該細長い管状シャフトの該中央部分に対して該第1の方向の反対である第2の方向に屈曲させる位置に、該細長い管状シャフトを配向するステップと、
該ウィンドウが該血管の壁に対して付勢されている間に、該細長い管状シャフトの該管腔内に配置される作業要素を用いて、該ウィンドウを通して該治療部位で手技を行うステップと
を含む、方法。
(項目19)
上記ヒンジ要素は、上記第1および第2の方向においてのみ、上記中央部分に対する上記遠位部分の屈曲を許容するように構成される、項目18に記載の方法。
(項目20)
上記第1および第2の角度は、約0.05〜0.50ポンドの範囲の力で上記血管の壁に対して上記ウィンドウを付勢するように選択される、項目18に記載の方法。
(項目21)
上記第1の角度は、約90°〜150°の範囲であり、上記第2の角度は、約100°〜180°の範囲である、項目18に記載の方法。
(項目22)
上記近位屈曲部から上記遠位屈曲部までの長さは、該遠位屈曲部から上記ヒンジ要素までの長さよりも長い、項目18に記載の方法。
(項目23)
上記近位屈曲部と上記遠位屈曲部との間の長さは、約0.5〜2.0インチの範囲である、項目18に記載の方法。
(項目24)
上記遠位屈曲部と上記ヒンジ要素との間の長さは、約0.375〜0.625インチの範囲である、項目18に記載の方法。
(項目25)
上記第1および第2の角度は、上記近位屈曲部と上記ヒンジ要素との間に、上記治療部位の上記血管の直径よりも大きい上記細長い管状シャフトの最大偏位を形成するように選択される、項目18に記載の方法。
(項目26)
上記作業要素は、アテローム切除術用切除デバイスであり、上記手技は、上記血管の壁から物質を除去することを含む、項目18に記載の方法。
(項目27)
血管の管腔における治療部位で手技を行うための方法であって、
遠位端および近位端ならびに管腔を画定する側壁を有する、細長い管状シャフトを提供するステップであって、該細長い管状シャフトは、連続的に減少する曲率半径を有する湾曲した遠位部分を有し、該連続的に減少する曲率半径は、該遠位部分の近位端から該細長い管状シャフトの該遠位端まで第1の方向に配向され、該遠位部分は、該細長い管状シャフトの該遠位端の近位に位置するヒンジ要素を含み、該ヒンジ要素は、該遠位部分を、該ヒンジ要素と該細長い管状シャフトの該遠位端との間の遠位セグメントと、該ヒンジ要素と該遠位部分の該近位端との間の近位セグメントとに分割し、該ヒンジ要素は、該第1の方向および該第1の方向の反対である第2の方向にのみ、該近位セグメントに対して該遠位セグメントが屈曲することを許容するように構成され、該遠位セグメントは、該ヒンジ要素と該細長い管状シャフトの該遠位端との間で該側壁を通り延在するウィンドウを含む、ステップと、
該血管の該管腔を通して、該細長い管状シャフトを該治療部位まで前進させるステップと、
該治療部位で所望の場所において該血管の壁に対して該ウィンドウを付勢するために、該湾曲した遠位部分の該連続的に減少する曲率半径が、該ヒンジ要素で、該遠位セグメントを該近位セグメントに対して該第2の方向に屈曲させる位置に、該細長い管状シャフトを配向するステップと、
該ウィンドウが該血管の該壁に対して付勢されている間に、該細長い管状シャフトの該管腔内に配置される作業要素を用いて、該ウィンドウを通して該治療部位で手技を行うステップと
を含む、方法。
(項目28)
上記湾曲した遠位部分は、約90°〜720°の範囲の連続的な曲線を形成する、項目27に記載の方法。
(項目29)
上記湾曲した遠位部分の最大曲げ径は、約3mm〜50mmの範囲内である、項目27に記載の方法。
(項目30)
カテーテルのシャフトを操作するためのデバイスであって、
該カテーテルの該シャフトを受容するようにサイズ決定される管腔を有する本体部分と、
該本体部分で囲まれた第1および第2のシャフト係合面を有するシャフト係合部材であって、該第1および第2のシャフト係合面が該シャフトに係合し、該本体を該シャフト上でロックするように構成されるロック位置と、該本体が自由に回転し、該細長い管状シャフト上を軸方向に並進するロック解除位置とを有するシャフト係合部材と
を備える、デバイス。
(項目31)
上記シャフト係合面は、上記ロック解除位置において付勢されている、項目30に記載のデバイス。
(項目32)
血管の壁の部位にアクセスするためのカテーテルであって、
遠位端および近位端ならびに管腔を画定する側壁を有する、細長い管状シャフトを備え、
該細長い管状シャフトは、第1の屈曲部と、該第1の屈曲部の遠位に所定の距離で位置する第2の屈曲部と、該側壁を通り延在するウィンドウとを有し、該ウィンドウは、該細長い管状の該第2の屈曲部の遠位かつ該遠位端の近位に位置し、該第1の屈曲部は、ゼロより大きい第1の角度を画定し、該第2の屈曲部は、該第1の角度より大きい第2の角度を画定し、該第1および第2の角度ならびに該所定の距離は、使用中に、該血管の壁の該部位に対して該ウィンドウを付勢するように選択される、
カテーテル。
(項目33)
上記細長い管状シャフトは、上記ウィンドウの近位かつ上記第2の屈曲部の遠位に位置するヒンジ要素をさらに含む、項目32に記載のカテーテル。
(項目34)
上記細長い管状シャフトの上記管腔内に配置される作業要素をさらに備え、該作業要素は、上記ウィンドウを通して、上記血管の壁の上記部位で手技を行うために構成されている、項目32に記載のカテーテル。
(項目35)
上記細長い管状シャフトは、上記ヒンジ要素と該細長い管状シャフトの上記遠位端との間に遠位部分を含み、該ヒンジ要素は、該遠位部分が屈曲するピボット点として構成される、項目33に記載のカテーテル。
(項目36)
上記遠位部分は縦軸を有し、上記ヒンジ要素は、使用中に、上記血管の壁の上記部位に対して上記ウィンドウが付勢されると、該遠位部分が、該遠位部分の該縦軸が該血管の縦軸に実質的に平行になるように位置付けられるように構成されている、項目35に記載のカテーテル。
(項目37)
上記第1および第2の屈曲部は、第1の平面内に位置するように構成され、上記ヒンジ要素は、該第1の平面内でのみ、該ヒンジ要素の遠位の上記細長い管状部材の屈曲を許容するように構成される、項目33に記載のカテーテル。
(項目38)
上記第1および第2の角度は、約0.05〜0.50ポンドの範囲の力で上記血管の壁に対して上記ウィンドウを付勢するように選択される、項目32に記載のカテーテル。
(項目39)
上記第1の角度は、約90°〜150°の範囲であり、上記第2の角度は、約100°〜180°の範囲である、項目32に記載のカテーテル。
(項目40)
上記第1の屈曲部から上記第2の屈曲部までの長さは、該第2の屈曲部から上記ヒンジ要素までの長さよりも長い、項目33に記載のカテーテル。
(項目41)
上記第1の屈曲部と上記第2の屈曲部との間の長さは、約0.5〜2.0インチの範囲である、項目32に記載のカテーテル。
(項目42)
上記第2の屈曲部と上記ヒンジ要素との間の長さは、約0.375〜0.625インチの範囲である、項目33に記載のカテーテル。
(項目43)
上記作業要素は、アテローム切除術用切除デバイスである、項目34に記載のカテーテル。
(項目44)
血管の管腔における治療部位で手技を行うためのカテーテルであって、
遠位端および近位端ならびに管腔を画定する側壁を有する、細長い管状シャフトを備え、該細長い管状シャフトは、近位屈曲部と、遠位屈曲部と、ヒンジ要素とを有し、該近位屈曲部は、ゼロより大きい第1の角度を画定し、該遠位屈曲部は、該第1の角度より大きい第2の角度を画定し、該ヒンジ要素は、該細長い管状シャフトの該遠位端の近位かつ該遠位屈曲部の遠位に位置し、該遠位屈曲部は、該近位屈曲部と該ヒンジ要素との間に位置し、該細長い管状シャフトの遠位部分は、該ヒンジ要素と該細長い管状シャフトの該遠位端との間に延在し、該細長い管状シャフトの中央部分は、該ヒンジ要素と該近位屈曲部との間に延在し、該遠位部分は、該ヒンジ要素と該細長い管状シャフトの該遠位端との間で該側壁を通り延在するウィンドウを含み、該近位屈曲部、該遠位屈曲部、および該ヒンジ要素は、該治療部位で該血管の壁に対して該ウィンドウを付勢するように構成されている、
カテーテル。
(項目45)
上記細長い管状シャフトの上記管腔内に配置される作業要素をさらに備え、該作業要素は、使用中に、上記ウィンドウが上記血管の上記壁に対して付勢されている場合に、該ウィンドウを通して上記治療部位で上記手技を行うように構成されている、項目44に記載のカテーテル。
(項目46)
上記近位屈曲部および遠位屈曲部は、第1の平面内に位置するように構成され、上記ヒンジ要素は、該第1の平面内でのみ、上記中央部分に対する上記遠位部分の屈曲を許容するように構成されている、項目44に記載のカテーテル。
(項目47)
上記第1および第2の角度は、約0.05〜0.50ポンドの範囲の力で上記血管の壁に対して上記ウィンドウを付勢するように選択される、項目44に記載のカテーテル。
(項目48)
上記第1の角度は、約90°〜150°の範囲であり、上記第2の角度は、約100°〜180°の範囲である、項目44に記載のカテーテル。
(項目49)
上記近位屈曲部から上記遠位屈曲部までの長さは、該遠位屈曲部から上記ヒンジ要素までの長さよりも長い、項目44に記載のカテーテル。
(項目50)
上記近位屈曲部と上記遠位屈曲部との間の長さは、約0.5〜2.0インチの範囲である、項目44に記載のカテーテル。
(項目51)
上記遠位屈曲部と上記ヒンジ要素との間の長さは、約0.375〜0.625インチの範囲である、項目44に記載のカテーテル。
(項目52)
上記作業要素は、アテローム切除術用切除デバイスである、項目45のカテーテル。

Claims (12)

  1. 血管の壁の部位にアクセスするためのカテーテルであって、
    遠位端および近位端ならびに管腔を画定する側壁を有する、細長い管状シャフトを備え、
    該細長い管状シャフトは、第1の屈曲部と、該第1の屈曲部の遠位に所定の距離で位置する第2の屈曲部と、該側壁を通り延在するウィンドウとを有し、該ウィンドウは細長い管状部材の該第2の屈曲部の遠位かつ該遠位端の近位に位置し、該第1の屈曲部は、ゼロより大きい第1の角度を画定し、該第2の屈曲部は、該第1の角度より大きい第2の角度を画定し、該第1および第2の角度ならびに該所定の距離は、使用中に、該血管の壁の該部位に対して該ウィンドウを付勢するように選択される、
    カテーテル。
  2. 前記細長い管状シャフトは、前記ウィンドウの近位かつ前記第2の屈曲部の遠位に位置するヒンジ要素をさらに含む、請求項に記載のカテーテル。
  3. 前記細長い管状シャフトの前記管腔内に配置される作業要素をさらに備え、該作業要素は、前記ウィンドウを通して、前記血管の壁の前記部位で手技を行うために構成されている、請求項に記載のカテーテル。
  4. 前記細長い管状シャフトは、前記ヒンジ要素と該細長い管状シャフトの前記遠位端との間に遠位部分を含み、該ヒンジ要素は、該遠位部分が屈曲するピボット点として構成される、請求項に記載のカテーテル。
  5. 前記遠位部分は縦軸を有し、前記ヒンジ要素は、使用中に、前記血管の壁の前記部位に対して前記ウィンドウが付勢されると、該遠位部分が、該遠位部分の該縦軸が該血管の縦軸に実質的に平行になるように位置付けられるように構成されている、請求項に記載のカテーテル。
  6. 前記第1および第2の屈曲部は、第1の平面内に位置するように構成され、前記ヒンジ要素は、該第1の平面内でのみ、該ヒンジ要素の遠位の前記細長い管状部材の屈曲を許容するように構成される、請求項に記載のカテーテル。
  7. 前記第1および第2の角度は、約0.05〜0.50ポンドの範囲の力で前記血管の壁に対して前記ウィンドウを付勢するように選択される、請求項に記載のカテーテル。
  8. 前記第1の角度は、約90°〜150°の範囲内にあり、前記第2の角度は、約100°〜180°の範囲内にある、請求項に記載のカテーテル。
  9. 前記第1の屈曲部から前記第2の屈曲部までの長さは、該第2の屈曲部から前記ヒンジ要素までの長さよりも長い、請求項に記載のカテーテル。
  10. 前記第1の屈曲部と前記第2の屈曲部との間の長さは、約0.5〜2.0インチの範囲内にある、請求項に記載のカテーテル。
  11. 前記第2の屈曲部と前記ヒンジ要素との間の長さは、約0.375〜0.625インチの範囲内にある、請求項に記載のカテーテル。
  12. 前記作業要素は、アテローム切除術用切除デバイスである、請求項に記載のカテーテル。
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