JP2011505201A - 脈管療法のための方法及び装置 - Google Patents
脈管療法のための方法及び装置 Download PDFInfo
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- JP2011505201A JP2011505201A JP2010536191A JP2010536191A JP2011505201A JP 2011505201 A JP2011505201 A JP 2011505201A JP 2010536191 A JP2010536191 A JP 2010536191A JP 2010536191 A JP2010536191 A JP 2010536191A JP 2011505201 A JP2011505201 A JP 2011505201A
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Abstract
Description
9 カテーテルシャフト
10 医療装置
11 拡張器
12 体内脈管
12A 裂孔
13 ワイヤーガイド
14 流体又は血液の流れ
15 シース
17 体内脈管の壁
20 管状フレーム
22、22’ルーメン
24 長手方向軸
26 遠位端
28 近位端
30 中間領域
32 部材
34 スロット
50 隙間
54、55 頂点又は曲がり部分
56 接触部分
60 スリーブ
70 治療剤
D1 管状フレームの遠位端と近位端の直径
D2 管状フレームの中間領域の第1の直径
D3 管状フレームの中間領域の第2の直径
Claims (20)
- 脈管治療を体内管腔内の治療場所で局所的に施すための医療装置において、
長手方向軸の周りにルーメンを画定し、遠位端、近位端、及び中間領域を有している管状フレームであって、前記管状フレームの前記中間領域は、互いの間に一連のスロットを画定している複数の部材を含み、前記部材は、前記管状フレームの周りに周方向に間隔を空けて配置されており、前記管状フレームの前記中間領域は、圧縮形態から展開形態へ動かせ、前記圧縮形態では、前記部材は互いに隣り合わせに近接して並び、前記展開形態では、前記部材は、前記展開形態の前記部材同士の間に隙間が形成されるように、前記長手方向軸から半径方向外向きに変位される、管状フレームと、
前記管状フレームの前記中間領域の一部分を包囲するスリーブであって、前記部材の少なくとも一部分と接触して維持されるように構成されているスリーブと、を備えており、
前記展開形態では、前記部材が、前記スリーブを押し動かして前記体内脈管に接触させ、一方で、前記隙間が、前記治療場所より遠位の区域への体液の流れを許容する、医療装置。 - 前記展開形態及び前記圧縮形態では、前記管状フレームの前記遠位端と前記近位端は、同様の直径を有している、請求項1に記載の医療装置。
- 前記管状フレームの前記中間領域は、前記圧縮形態での第1の直径と、前記第1の直径より大きい前記展開形態での第2の直径を有しており、前記中間領域の前記第1の直径は、前記管状フレームの前記近位端と前記遠位端の直径と実質的に同一である、請求項2に記載の医療装置。
- 前記スロットは、互いに実質的に平行な向きであり、前記展開形態では、前記部材のそれぞれは、2つの曲がりとそれらの間の接触部分とを有し、前記接触部分は、前記体内脈管壁と実質的に整列するように構成されている、請求項3に記載の医療装置。
- 前記管状フレームは、形状記憶合金から形成されており、前記管状フレームの前記中間領域は、前記展開形態に向けて付勢される、請求項1に記載の医療装置。
- 前記管状フレームの前記遠位端を、前記管状フレームの前記近位端に対して前記長手方向軸に沿って並進させて前記部材を押し動かし、前記圧縮形態と前記展開形態の間で動かすための手段を更に備えている、請求項1に記載の医療装置。
- 前記スリーブは、弾性を有し、前記展開形態の前記管状フレームの前記中間領域に半径方向圧縮復元力を働かせるように構成されている、請求項1に記載の医療装置。
- 前記スリーブに配置されている治療剤を更に備えている、請求項1に記載の医療装置。
- 前記スリーブは、発泡細胞外基質を備えている、請求項1に記載の医療装置。
- 前記管状フレームは、カニューレの中間領域に、周方向に間隔を空けて配置されている一連のスロットを切り込む工程を備えているプロセスによって形成されており、前記カニューレは、形状記憶合金を備えている、請求項1に記載の医療装置。
- 脈管治療を体内管腔内の治療場所で局所的に施すためのシステムであって、医療装置とカテーテルシャフトと、を備えているシステムにおいて、
長手方向軸の周りにルーメンを画定し、遠位端、近位端、及び中間領域を有している管状フレームであって、前記管状フレームの前記中間領域は、互いの間に一連のスロットを画定している複数の部材を含み、前記部材は、前記管状フレームの周りに周方向に間隔を空けて配置されており、前記管状フレームの前記中間領域は、圧縮形態から展開形態へ動かせ、前記圧縮形態では、前記部材は互いに隣り合わせに近接して並び、前記展開形態では、前記部材は、前記展開形態の前記部材同士の間に隙間が形成されるように、前記長手方向軸から半径方向外向きに変位される、管状フレームと、前記管状フレームの前記中間領域の一部分を包囲するスリーブであって、前記部材の少なくとも一部分と接触して維持されるように構成されているスリーブと、を備えており、前記展開形態では、前記部材が、前記スリーブを押し動かして前記体内脈管に接触させ、一方で、前記隙間が、前記治療場所より遠位の区域への体液の流れを許容する、前記医療装置と、
前記医療装置の前記管状フレームの前記近位端に取り付けられている、前記カテーテルシャフトと、を備えているシステム。 - 前記カテーテルシャフトから半径方向外側に配置され、当該シャフトに摺動可能に係合されているシースを更に備えており、前記シースは動かせ、前記医療装置を圧縮するサイズである、請求項11に記載のシステム。
- 前記医療装置の前記管状フレームの前記遠位端に取り付けられている拡張器を更に備えている、請求項11に記載のシステム。
- 前記スリーブ上に配置されている治療剤を更に備えている、請求項11に記載のシステム。
- 前記スリーブは発泡細胞外基質を備えている、請求項11に記載のシステム。
- 脈管療法を体内脈管の壁に施す方法において、
医療装置の中間領域を半径方向に圧縮して、前記医療装置を前記体内脈管内の治療場所に送達する段階であって、前記医療装置は、長手方向軸の周りにルーメンを画定し、遠位端、近位端、及び中間領域を有している管状フレームであって、前記管状フレームの前記中間領域は、互いの間にスロットを有している複数の部材を含んでおり、前記管状フレームの前記中間領域は、圧縮形態から展開形態へ動かせ、前記圧縮形態では、前記部材は互いに隣り合わせに近接して並び、前記展開形態では、前記部材は、隣接する部材同士の間に隙間が形成されるように、前記長手方向軸から前記体内脈管壁に極めて近接する位置まで半径方向に変位される、管状フレームと、前記管状フレームの前記中間領域の一部分を包囲するスリーブと、を備えている前記医療装置を送達する段階と、
前記管状フレームの前記中間領域の前記部材を、前記圧縮形態から前記展開形態へ、半径方向に展開させ、前記スリーブを押し動かして、前記体内脈管の前記壁に接触させる段階と、
前記スリーブを前記体内脈管の前記壁と接触した状態に維持し、前記隙間によって前記治療場所より遠位の区域への体液の流れを許容しながら、脈管療法を前記体内脈管内の前記治療場所に施す段階と、から成る方法。 - 前記展開形態では、前記部材のそれぞれは、2つの曲がりとそれらの間の接触部分とを有し、前記接触部分は、前記体内脈管壁と実質的に整列するように構成されている、請求項16に記載の方法。
- 前記管状フレームは、自己展開式であり、形状記憶合金から形成されており、前記管状フレームの前記中間領域は、前記中間領域の周りにシースを配置して前記部材を前記圧縮形態に押し動かすことによって圧縮され、前記中間領域は、前記シースを前記中間領域から取り除くことによって展開される、請求項16に記載の方法。
- 前記治療場所は、前記体内脈管の壁を貫通して広がっている裂孔を備え、前記スリーブは、発泡細胞外基質を備えており、前記スリーブは、前記スリーブが前記体内脈管の前記壁と接触しているとき、前記裂孔を覆って止血を促すのに適したサイズである、請求項16に記載の方法。
- 前記医療装置は、前記スリーブ上に配置されている治療剤を更に備えており、前記治療剤は、前記スリーブが前記体内脈管の前記壁と接触しているときに送達されるように構成されている、請求項16に記載の方法。
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Application Number | Priority Date | Filing Date | Title |
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US99129107P | 2007-11-30 | 2007-11-30 | |
PCT/US2008/084996 WO2009073553A1 (en) | 2007-11-30 | 2008-11-26 | Method and device for vascular therapy |
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US (3) | US8192479B2 (ja) |
EP (1) | EP2224991B1 (ja) |
JP (1) | JP2011505201A (ja) |
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US20100168837A1 (en) | 2010-07-01 |
EP2224991B1 (en) | 2018-02-21 |
US9289581B2 (en) | 2016-03-22 |
AU2008334083B2 (en) | 2013-11-28 |
EP2224991A1 (en) | 2010-09-08 |
US20120232636A1 (en) | 2012-09-13 |
AU2008334083A1 (en) | 2009-06-11 |
US20090143851A1 (en) | 2009-06-04 |
WO2009073553A1 (en) | 2009-06-11 |
US8192479B2 (en) | 2012-06-05 |
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