JP2009254908A5 - - Google Patents

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Publication number
JP2009254908A5
JP2009254908A5 JP2009186176A JP2009186176A JP2009254908A5 JP 2009254908 A5 JP2009254908 A5 JP 2009254908A5 JP 2009186176 A JP2009186176 A JP 2009186176A JP 2009186176 A JP2009186176 A JP 2009186176A JP 2009254908 A5 JP2009254908 A5 JP 2009254908A5
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Japan
Prior art keywords
tubular body
pores
blood
group
disposed
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Pending
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JP2009186176A
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English (en)
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JP2009254908A (ja
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Priority claimed from US09/742,144 external-priority patent/US6682554B2/en
Priority claimed from US09/967,789 external-priority patent/US6755856B2/en
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Publication of JP2009254908A publication Critical patent/JP2009254908A/ja
Publication of JP2009254908A5 publication Critical patent/JP2009254908A5/ja
Pending legal-status Critical Current

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Claims (18)

  1. ステント配置のための装置において、
    長手軸を有し、近位端遠位端と、該近位端と遠位端との間で長手方向に延びる管腔を有し、ならびに収縮した送達配置から拡張した展開配置へと円周方向に拡張するよう構成されている、ウェブ構造体を規定する壁を備える管状本体であって、
    前記ウェブ構造体が複数の相互接続したウェブパターンを備え、各ウェブパターンが複数の隣接ウェブを有してなる管状本体と
    前記管状本体の壁の内側表面に配置される材料であって、塞栓保護を増強し、そして再狭窄および血栓形成の危険性を低下させるよう配置された細孔を備えてなる材料とを含む装置。
  2. 前記管状本体が、バルーン拡張可能ステント、双安定セルステント、および金属メッシュステントからなる群より選択される、請求項1に記載の装置。
  3. 前記細孔が、約30μm以上の最小幅を有し、これによって、再狭窄および血栓形成の危険性を低下させ、あるいは前記細孔が、約100μm以下の最大幅を有し、これによって、塞栓保護を増強する、請求項1または2に記載の装置。
  4. 前記細孔が、約80μmの平均幅を有する、請求項1ないし3のいずれか1項に記載の装置。
  5. 前記材料が、生体適合性ポリマー、変性熱可塑性ポリウレタン、ポリエチレンテレフタレート、ポリエチレンテトラフタレート、発泡ポリテトラフルオロエチレン、ポリプロピレン、ポリエステル、ナイロン、ポリエチレン、ポリウレタン、ホモロジー材料、自己由来の静脈、非自己由来の静脈、生分解性材料、ポリラクテート、ポリグリコール酸、およびこれらの組み合わせからなる群より選択される、請求項1に記載の装置。
  6. 前記材料上に配置されたコーティングをさらに備える、請求項1ないし5のいずれか1項に記載の装置。
  7. 前記コーティングが、体腔に導入される場合に放出されるよう構成された治療剤を含む、請求項に記載の装置。
  8. 前記治療剤が、結合した活性基、放射線、遺伝子ベクター、医薬品、および血栓阻害剤からなる群より選択される、請求項に記載の装置。
  9. 前記材料が、前記管状本体の少なくとも外側表面の部分に配置される、請求項1ないし8のいずれか1項に記載の装置。
  10. 前記材料が、前記管状本体の少なくとも一部の開口部内に焼結されている、請求項1ないし9のいずれか1項に記載の装置。
  11. 前記細孔が、該細孔を通って血液が流れることを可能にするよう構成されている、請求項1ないし10のいずれか1項に記載の装置。
  12. 前記装置が、前記管状本体が拡張した展開配置にある場合に、前記管状本体の管腔を再交差させるように構成されている、請求項1ないし11のいずれか1項に記載の装置。
  13. 前記装置が、血管の側枝において配置されるように構成される、少なくとも1つの開口を備える、請求項1ないし12のいずれか1項に記載の装置。
  14. 一部の前記細孔が、残りの前記細孔と比較して血管の側枝領域において選択的に変化し得る多孔度を構成し、側方分岐に十分な血液を連続的に送ることを確実にし、ならびに、乱流を減少させて側方分岐内に血栓のない血液を流すのを可能にする格子として作用する、請求項1ないし13のいずれか1項に記載の装置。
  15. 前記材料が、不連続な点または規定された面に沿って前記管状本体に付着されている、請求項1ないし14のいずれか1項に記載の装置。
  16. 前記規定された面が、長手方向の継目、螺旋状の継目、および円周状のバンドからなる群より選択される、請求項15に記載の装置。
  17. 前記材料が、前記管状本体に、前記ウェブ構造体の大部分に沿って付着されている、請求項1ないし16のいずれか1項に記載の装置。
  18. 前記細孔の直径、密度、形状および/またはパッキング配置が血管の分岐領域において選択的に変化し得て、側方分岐に十分な血液を連続的に送ることを確実にする、請求項1ないし17のいずれか1項に記載の装置。
JP2009186176A 2000-12-19 2009-08-10 再狭窄および血栓形成に対する改善された保護と組み合わせられた、増強した塞栓保護をなすステント配置のための方法および装置 Pending JP2009254908A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/742,144 US6682554B2 (en) 1998-09-05 2000-12-19 Methods and apparatus for a stent having an expandable web structure
US09/967,789 US6755856B2 (en) 1998-09-05 2001-09-28 Methods and apparatus for stenting comprising enhanced embolic protection, coupled with improved protection against restenosis and thrombus formation

Related Parent Applications (1)

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JP2002563865A Division JP2004518486A (ja) 2000-12-19 2001-12-19 再狭窄および血栓形成に対する改善された保護と組み合わせられた、増強した塞栓保護をなすステント配置のための方法および装置

Publications (2)

Publication Number Publication Date
JP2009254908A JP2009254908A (ja) 2009-11-05
JP2009254908A5 true JP2009254908A5 (ja) 2009-12-17

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Family Applications (2)

Application Number Title Priority Date Filing Date
JP2002563865A Pending JP2004518486A (ja) 2000-12-19 2001-12-19 再狭窄および血栓形成に対する改善された保護と組み合わせられた、増強した塞栓保護をなすステント配置のための方法および装置
JP2009186176A Pending JP2009254908A (ja) 2000-12-19 2009-08-10 再狭窄および血栓形成に対する改善された保護と組み合わせられた、増強した塞栓保護をなすステント配置のための方法および装置

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Application Number Title Priority Date Filing Date
JP2002563865A Pending JP2004518486A (ja) 2000-12-19 2001-12-19 再狭窄および血栓形成に対する改善された保護と組み合わせられた、増強した塞栓保護をなすステント配置のための方法および装置

Country Status (7)

Country Link
US (8) US6755856B2 (ja)
EP (3) EP1372529B1 (ja)
JP (2) JP2004518486A (ja)
AT (1) ATE474523T1 (ja)
CA (1) CA2401878C (ja)
DE (1) DE60142642D1 (ja)
WO (1) WO2002064065A2 (ja)

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