JP2005525138A - 溝付きバルーンを備えたステント供給カテーテルおよびその製造方法 - Google Patents
溝付きバルーンを備えたステント供給カテーテルおよびその製造方法 Download PDFInfo
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- JP2005525138A JP2005525138A JP2003530175A JP2003530175A JP2005525138A JP 2005525138 A JP2005525138 A JP 2005525138A JP 2003530175 A JP2003530175 A JP 2003530175A JP 2003530175 A JP2003530175 A JP 2003530175A JP 2005525138 A JP2005525138 A JP 2005525138A
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- JP
- Japan
- Prior art keywords
- balloon
- proximal
- distal
- intermediate body
- stent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/958—Inflatable balloons for placing stents or stent-grafts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/95—Instruments specially adapted for placement or removal of stents or stent-grafts
- A61F2/958—Inflatable balloons for placing stents or stent-grafts
- A61F2002/9583—Means for holding the stent on the balloon, e.g. using protrusions, adhesives or an outer sleeve
- A61F2002/9586—Means for holding the stent on the balloon, e.g. using protrusions, adhesives or an outer sleeve the means being inside the balloon
Abstract
【解決手段】 ステント供給バルーンは中間ボディと、テーパ状端部分と、中間ボディとテーパ状端部分との間の移行部に隣接した少なくとも1つの周方向溝とを有するバルーンを備えている。バルーンをしぼませると、溝により、バルーンのテーパ状端部分はステントをバルーンに保持すべきダムとして機能する。
Description
Claims (18)
- 可撓性壁部と、中間ボディと、近位および遠位円錐部と、カテーテルに取付けられるようになっている近位および遠位端部と、中間ボディと円錐部との間の移行部に隣接してバルーン壁部で形成された少なくとも1つの周方向溝とを有することを特徴とするバルーン。
- 少なくとも1つの周方向溝は長さ方向横断面がC字形形状、U字形形状、W字形形状、開放辺付き多角形状およびそれらの組合せから選択された形状を有することを特徴とする請求項1に記載のバルーン。
- 少なくとも1つの周方向溝はこれに対して遠位および近位で測定したバルーンの直径が等しいように近位および遠位円錐部のうちの少なくとも一方に形成されていることを特徴とする請求項1に記載のバルーン。
- 少なくとも1つの周方向溝はバルーンに付着された可撓性材料で少なくとも部分的に埋められていることを特徴とする請求項1に記載のバルーン。
- 可撓性材料が発泡材料よりなることを特徴とする請求項4に記載のバルーン。
- 貫通する管腔を有する細長い軸と、
軸の遠位領域のまわりに設けられ、管腔と流体連通するバルーンとよりなり、バルーンは可撓性壁部と、中間ボディと、近位および遠位円錐部と、軸に取付けられる近位および遠位端部と、中間ボディと近位および遠位円錐部との間の近位および遠位移行部と、遠位移行部に隣接してバルーン壁部で形成された遠位周方向溝とを有することを特徴とするカテーテル。 - 近位移行部に隣接してバルーン壁部で形成された近位周方向溝を更に備えていることを特徴とする請求項6に記載のカテーテル。
- バルーンは、近位および遠位円錐部が各々中間ボディのしぼみ輪郭より大きいしぼみ輪郭を有するように軸のまわりにしぼまされることが可能であることを特徴とする請求項6に記載のカテーテル。
- バルーンのしぼまし中、近位および遠位周方向溝が中間ボディのしぼみ輪郭と近位および遠位円錐部のしぼみ輪郭との間の直径で近位および遠位段部を形成することを特徴とする請求項8に記載のカテーテル。
- 貫通する管腔を有する細長い軸と、
軸の遠位領域のまわりに設けられ、管腔と流体連通するバルーンとを備え、バルーンは可撓性壁部と、中間ボディと、近位および遠位円錐部と、軸に取付けられた近位および遠位端部と、中間ボディと近位および遠位円錐部のうちの一方との間の移行部に隣接してバルーン壁部で形成された第1周方向溝とを有しており、
バルーンの中間ボディのまわりに設けられるバルーン膨張可能なステントを備えたことを特徴とするステント供給カテーテル。 - 中間ボディと近位および遠位円錐部のうちの他方との間の移行部に隣接してバルーン壁部で形成された第2周方向溝を更に備えたことを特徴とする請求項10に記載のステント供給カテーテル。
- 第1周方向溝はバルーンに付着される可撓性材料で少なくとも部分的に埋められていることを特徴とする請求項10に記載のステント供給カテーテル。
- バルーンをしぼませると、可撓性材料がステントをバルーンに保持するのを助けるために第1ダムを形成することを特徴とする請求項12に記載のステント供給カテーテル。
- バルーンをしぼませると、近位および遠位円錐部は各々、これらがステントをしぼまされたバルーンに保持するのを助けるためにそれぞれ近位および遠位ダムを形成するように中間ボディのしぼみ輪郭より大きいしぼみ輪郭を有することを特徴とする請求項11に記載のステント供給カテーテル。
- 管腔が通っている細長い軸を有するカテーテルを用意し、
バルーンを管腔と流体連通状態で軸の遠位領域のまわりに取付け、バルーンは可撓性壁部と、中間ボディと、近位および遠位円錐部と、カテーテル軸に取付けられた近位および遠位端部と、中間ボディと近位および遠位円錐部のうちの一方との間の移行部に隣接してバルーン壁部で形成された少なくとも1つの周方向溝とを有しており、
バルーンをカテーテル軸のまわりに収縮させ、
バルーン膨張可能なステントをバルーンの中間ボディのまわりに半径方向に圧縮された形状で取付けことを特徴とするステント供給カテーテルを製造する方法。 - ステントの取付けはステントをバルーンに保持するのを助けるダムを形成するために近位および遠位円錐部を膨らましながら、ステントを半径方向に圧縮された形状に保持することを含むことを特徴とする請求項15に記載の方法。
- バルーンを熱硬化して近位および遠位円錐部に形成されたダムの形状記憶を生じることを更に含むことを特徴とする請求項16に記載の方法。
- バルーンに付着される可撓性材料で少なくとも1つの周方向溝を少なくとも部分的に充填することを更に含むことを特徴とする請求項15に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/965,473 US7083639B2 (en) | 2001-09-26 | 2001-09-26 | Stent delivery catheter with grooved balloon and methods of making same |
PCT/US2002/029077 WO2003026534A1 (en) | 2001-09-26 | 2002-09-13 | Stent delivery catheter with grooved balloon and methods of making same |
Publications (1)
Publication Number | Publication Date |
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JP2005525138A true JP2005525138A (ja) | 2005-08-25 |
Family
ID=25510014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003530175A Pending JP2005525138A (ja) | 2001-09-26 | 2002-09-13 | 溝付きバルーンを備えたステント供給カテーテルおよびその製造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7083639B2 (ja) |
EP (1) | EP1429688A1 (ja) |
JP (1) | JP2005525138A (ja) |
WO (1) | WO2003026534A1 (ja) |
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2001
- 2001-09-26 US US09/965,473 patent/US7083639B2/en not_active Expired - Lifetime
-
2002
- 2002-09-13 JP JP2003530175A patent/JP2005525138A/ja active Pending
- 2002-09-13 WO PCT/US2002/029077 patent/WO2003026534A1/en active Application Filing
- 2002-09-13 EP EP02775799A patent/EP1429688A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US7083639B2 (en) | 2006-08-01 |
WO2003026534A1 (en) | 2003-04-03 |
EP1429688A1 (en) | 2004-06-23 |
US20030060832A1 (en) | 2003-03-27 |
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