JP5489881B2 - ステントデリバリーカテーテル - Google Patents
ステントデリバリーカテーテル Download PDFInfo
- Publication number
- JP5489881B2 JP5489881B2 JP2010146929A JP2010146929A JP5489881B2 JP 5489881 B2 JP5489881 B2 JP 5489881B2 JP 2010146929 A JP2010146929 A JP 2010146929A JP 2010146929 A JP2010146929 A JP 2010146929A JP 5489881 B2 JP5489881 B2 JP 5489881B2
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- JP
- Japan
- Prior art keywords
- stent
- balloon
- support member
- inner shaft
- cross
- 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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Landscapes
- Media Introduction/Drainage Providing Device (AREA)
Description
支持部材を有さない比較例1から比較例3では屈曲部の通過荷重が0.40Nから0.50Nと低く、操作性は良好だった。しかし、ステント装着強度が低いため、屈曲部の通過時にステントの移動が確認された。
2.ステントデリバリーシステム
3.ガイドワイヤルーメン
4.インフレーションルーメン
5.ステント
6.支持部材
7.支持部材の内腔
8.バルーン内部
9.内側シャフト
10.外側シャフト
11.X線不透過マーカー
12.プレート
13.支持台
14.水槽
15.フォースゲージ
16.水
17.ガイドワイヤ
18.最大屈曲部
Claims (5)
- 拡張可能なバルーン、前記バルーンの外側に同軸状に装着された拡張可能なステント、内側シャフト、前記内側シャフトの外側に同軸状に配置された外側シャフトを有するステントデリバリーシステムであって、
前記内側シャフトの先端は前記外側シャフトの先端よりも先端側に延在し、前記バルーンの先端部が前記内側シャフトに接続され、前記バルーンの後端部が前記外側シャフトに接続され、前記内側シャフトの内側にガイドワイヤルーメンが形成され、前記内側シャフトの外側で、且つ前記外側シャフトの内側にインフレーションルーメンが形成されるとともに、前記インフレーションルーメンは前記バルーン内部と連通しており、
前記外側シャフトの先端に配置されたチューブ状の支持部材を有し、前記支持部材は前記内側シャフトの外側であって、且つ前記バルーンの内側に配置され、
ステント装着部分の少なくとも一部のカテーテル軸方向に対し垂直な断面において、前記ステント内腔の断面積に対する、前記支持部材の断面積及び前記内側シャフトの断面積及び前記バルーンの断面積の和(充填総面積)の比率(充填率)が、62%以上、80%以下であることを特徴とするステントデリバリーシステム。 - 前記支持部材の内腔が前記インフレーションルーメンに連通することを特徴とする請求項1に記載のステントデリバリーシステム。
- 前記支持部材の先端部は前記バルーン内に開口することを特徴とする請求項1又は2の何れか1項に記載のステントデリバリーシステム。
- 前記外側シャフトの先端が前記バルーンの内側に延在し、該延在部分が前記支持部材を構成することを特徴とする請求項1から3の何れか1項に記載のステントデリバリーシステム。
- 前記支持部材の先端が、前記ステントの遠位側先端よりも先端側まで延在することを特徴とする請求項1から4の何れか1項に記載のステントデリバリーシステム。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010146929A JP5489881B2 (ja) | 2010-06-28 | 2010-06-28 | ステントデリバリーカテーテル |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010146929A JP5489881B2 (ja) | 2010-06-28 | 2010-06-28 | ステントデリバリーカテーテル |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012005786A JP2012005786A (ja) | 2012-01-12 |
JP5489881B2 true JP5489881B2 (ja) | 2014-05-14 |
Family
ID=45537026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010146929A Active JP5489881B2 (ja) | 2010-06-28 | 2010-06-28 | ステントデリバリーカテーテル |
Country Status (1)
Country | Link |
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JP (1) | JP5489881B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2558930A (en) * | 2017-01-20 | 2018-07-25 | The Flume Catheter Company Ltd | Urinary catheter |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6036697A (en) * | 1998-07-09 | 2000-03-14 | Scimed Life Systems, Inc. | Balloon catheter with balloon inflation at distal end of balloon |
US6193727B1 (en) * | 1999-02-05 | 2001-02-27 | Advanced Cardiovascular Systems, Inc. | System for removably securing a stent on a catheter assembly and method of use |
JP2006288670A (ja) * | 2005-04-11 | 2006-10-26 | Terumo Corp | カテーテル |
US20060253185A1 (en) * | 2005-05-09 | 2006-11-09 | Medtronic Vascular, Inc. | Catheter for stent delivery having expanded inner member |
-
2010
- 2010-06-28 JP JP2010146929A patent/JP5489881B2/ja active Active
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Publication number | Publication date |
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JP2012005786A (ja) | 2012-01-12 |
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