JP2005536304A5 - - Google Patents
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- JP2005536304A5 JP2005536304A5 JP2004532137A JP2004532137A JP2005536304A5 JP 2005536304 A5 JP2005536304 A5 JP 2005536304A5 JP 2004532137 A JP2004532137 A JP 2004532137A JP 2004532137 A JP2004532137 A JP 2004532137A JP 2005536304 A5 JP2005536304 A5 JP 2005536304A5
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- stent
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- central portion
- tubular member
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Claims (20)
- 患者の脈管に挿入するためのステントであって、以下:
該脈管に挿入するための第1の小さい方の直径、および該脈管内で展開するための第2の大きい方の直径を有する管状部材、
を備え、
該管状部材は、螺旋状空間によって離される複数の螺旋状外周巻線から構成される中心部分を含み、該巻線の各々は、複数の波状部を含み、該波状部の各々は、2つの隣接する支柱および該支柱を連結しているループによって規定され、
ここで、隣接する巻線は、複数のブリッジで連結され、該ブリッジは、該隣接する巻線の間の該螺旋状空間を横切って延び、そして該複数の波状部の該ループに連結され、そして
さらにここで、該巻線の各々に沿って右側または左側の方向のいずれかに移動する場合、同数の支柱が、該巻線の各々の上のブリッジの任意の1つから隣のブリッジまで横断し、
ここで、該管状部材が、円柱形末端部分、および前記中心部分と該末端部分の各々との間の移行領域を含み、該移行領域は、長さが次第に増加する支柱を有する複数の移行波状部を含み、
該移行波状部の相対的に長い方の支柱が、該移行波状部の相対的に短い方の支柱よりも相対的に広い幅を有する、
ステント。 - 請求項1に記載のステントであって、前記隣接する巻線上の波状部のループが、嵌合している、ステント。
- 請求項2に記載のステントであって、前記ブリッジが、1.5ピッチ離れて配置されたループの間で延びる、ステント。
- 請求項1に記載のステントであって、該ステントの前記中心部分が、16〜20個の波状部を含む、ステント。
- 請求項4に記載のステントであって、該ステントの前記中心部分が、18〜19個の波状部を含む、ステント。
- 請求項1に記載のステントであって、各巻線が、そこから延びる3〜5個のブリッジを含む、ステント。
- 請求項1に記載のステントであって、前記中心部分中の前記ブリッジの各々が、該ステントの円柱平面内で同じ方向に延びる、ステント。
- 請求項7に記載のステントであって、前記ブリッジの各々が、前記螺旋状空間を長手軸方向に横切って延びる、ステント。
- 請求項1に記載のステントであって、前記管状部材が、前記第1の直径から前記第2の直径まで自己拡大する、ステント。
- 請求項1に記載のステントであって、前記管状部材が、レーザーカット管である、ステント。
- 請求項1に記載のステントであって、前記管状部材が、超弾性材料から作製される、ステント。
- 患者の脈管に挿入するためのステントであって、以下:
該脈管に挿入するための第1の小さい方の直径、および該脈管内で展開するための第2の大きい方の直径を有する管状部材、
を備え、
該管状部材は、螺旋状空間によって離される複数の螺旋状外周巻線から構成される中心部分を含み、該巻線の各々は、複数の波状部を含み、該波状部の各々は、2つの隣接する支柱および該支柱を連結しているループによって規定され、
ここで、該隣接する巻線は、複数のブリッジで連結され、該ブリッジは、該隣接する巻線の間の該螺旋状空間を横切って延び、そして該複数の波状部の該ループに連結され、
該巻線の少なくとも1つについて、該巻線上の任意の所定の数nの波状部、および該巻線に連結された任意の所定の数bのブリッジについて、ここで、n≠bであり、波状部の最大数は、該ブリッジの間で提供され、
ここで、該管状部材が、該中心部分と円柱形末端部分の各々との間の移行領域を含み、該移行領域は、長さが次第に増加する支柱を有する複数の移行波状部をさらに含み、
該移行波状部の相対的に長い方の支柱が、該移行波状部の相対的に短い方の支柱よりも相対的に広い幅を有する、
ステント。 - 請求項12に記載のステントであって、前記隣接する巻線上の波状部が、嵌合している、ステント。
- 患者の脈管に挿入するためのステントであって、以下:
該脈管に挿入するための第1の小さい方の直径、および該脈管内で展開するための第2の大きい方の直径を有し、長手軸を規定する、管状部材、
を備え、該管状部材は、以下:
螺旋状空間によって離された複数の螺旋状外周巻線から構成される中心部分であって、該巻線の各々は、複数の波状部を含み、該波状部の各々は、2つの隣接する支柱および該支柱を連結しているループによって規定される、中心部分、
該中心部分の末端における少なくとも1つの円柱形末端部分、および
該中心部分と該円柱形末端部分の各々との間の移行領域であって、該移行領域は、長さが次第に増加する支柱を有する複数の移行波状部を含む、移行領域、
を備え、
該移行波状部の相対的に長い方の支柱が、該移行波状部の相対的に短い方の支柱よりも相対的に広い幅を有する、
ステント。 - 請求項14に記載のステントであって、
前記管状部材は、長手軸を有し、前記移行領域の隣接する支柱は、一対の支柱として規定され、該移行領域は、複数の該対を有し、
該ステントが第1の小さい方の直径をする場合、前記中心部分および該移行領域の該支柱の全てが、該長手軸に対して実質的に平行に延び、
該ステントが前記第2の大きい方の直径を有する場合、角度が、該対の支柱の各々の該支柱の間で規定され、該角度が、該対の支柱の各々について実質的に同一である、
ステント。 - 請求項14に記載のステントであって、前記移行波状部の前記最も長い支柱が、該移行波状部の前記最も短い支柱より1.19〜1.99倍幅広である、ステント。
- 請求項14に記載のステントであって、前記移行波状部の前記最も長い支柱が、該移行波状部の前記最も短い支柱より約1.59倍幅広である、ステント。
- 請求項14に記載のステントであって、前記少なくとも1つの円柱形末端部分が、2つの円柱形末端部分である、ステント。
- 請求項14に記載のステントであって、前記中心部分の前記支柱の全てが、共通の長さおよび幅を有する、ステント。
- 請求項14に記載のステントであって、
前記中心部分の前記支柱の前記共通の長さが、前記移行波状部の前記支柱の最も短い長さよりも短く、
該中心部分の該支柱の前記共通の幅が、該移行波状部の前記支柱の最も狭い幅よりも狭い、
ステント。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/231,666 US6878162B2 (en) | 2002-08-30 | 2002-08-30 | Helical stent having improved flexibility and expandability |
PCT/EP2003/009570 WO2004019818A2 (en) | 2002-08-30 | 2003-08-26 | Helical stent having improved flexibility and expandability |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005536304A JP2005536304A (ja) | 2005-12-02 |
JP2005536304A5 true JP2005536304A5 (ja) | 2006-10-19 |
JP4044092B2 JP4044092B2 (ja) | 2008-02-06 |
Family
ID=31976776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004532137A Expired - Lifetime JP4044092B2 (ja) | 2002-08-30 | 2003-08-26 | 改善された可撓性および膨張性を有する螺旋状ステント |
Country Status (6)
Country | Link |
---|---|
US (5) | US6878162B2 (ja) |
EP (4) | EP1531760B1 (ja) |
JP (1) | JP4044092B2 (ja) |
AU (1) | AU2003260471A1 (ja) |
CA (1) | CA2493719C (ja) |
WO (1) | WO2004019818A2 (ja) |
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