JP2008512200A - 拡張可能な経腔的シース - Google Patents
拡張可能な経腔的シース Download PDFInfo
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- JP2008512200A JP2008512200A JP2007531345A JP2007531345A JP2008512200A JP 2008512200 A JP2008512200 A JP 2008512200A JP 2007531345 A JP2007531345 A JP 2007531345A JP 2007531345 A JP2007531345 A JP 2007531345A JP 2008512200 A JP2008512200 A JP 2008512200A
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Abstract
Description
優先権の主張
本出願は、2004年9月9日に出願され、拡張可能な経腔的シース(Expandable Transluminal Sheath)という名称を有し、引用によって本明細書に全体的に組み込まれる、米国特許出願第60/608355号に対する優先権を請求する。
Claims (27)
- 侵襲を最小限に抑えながら体腔または空洞に接近する拡張可能な医療接近シースであって、
拡張不能な、ある長さの近位シースチューブと、
前記近位シースチューブより小さい直径に折りたたまれる、ある長さの遠位シースチューブと、
より大きい直径を有する前記近位シースチューブとより小さい直径を有する前記遠位シースチューブとの間で先細りになる、前記遠位シースチューブと前記近位シースチューブとの間の遷移ゾーンと、
前記近位シースチューブと前記遠位シースチューブの両方内に配置され、半径方向に拡張して、前記遠位シースチューブを前記近位シースチューブの内径とほぼ同じ内径になるまで径方向に拡張させる拡張器とを有するシース。 - 拡張の後で、前記シースは、前記近位端から前記遠位端に達する完全な内部ルーメンを有する、請求項1に記載のシース。
- 前記シースの近位端に固定されたハブをさらに有し、前記ハブは、前記シースを掴み、かつ流体を前記シースに注入すると共に前記シースから引き出すのを可能にする、請求項1に記載のシース。
- 前記拡張器の近位端に固定されたハブをさらに有し、前記ハブは、前記拡張器を掴み、かつ流体を前記拡張器に注入すると共に前記拡張器から引き出し、かつ前記拡張器の前記ハブを前記シースの前記近位端に固定されたハブにロックするのを可能にする、請求項1に記載のシース。
- 前記遠位シースチューブは複合構造を有する、請求項1に記載のシース。
- 前記近位シースチューブは複合構造を有する、請求項1に記載のシース。
- 前記遠位シースチューブの複合構造は、前記遠位シースチューブの外面および内面内に埋め込まれた展性を有する補強部材を有する、請求項1に記載のシース。
- 前記展性を有する補強部材はワイヤのコイルである、請求項7に記載のシース。
- 前記展性を有する補強部材は拡張可能なステントである、請求項7に記載のシース。
- 前記拡張器は、器具を前記シースに通す前に、前記シースから取り出される、請求項1に記載のシース。
- 前記拡張器は、器具を前記シースに通す間、前記シース内に留まる、請求項1に記載のシース。
- 前記拡張器は、並進拡張器であり、中空のチューブの形をしている、請求項11に記載のシース。
- 前記シースの前記遠位端は、補強されず、前記拡張器が存在しないときは半径方向の力をほとんどかけない、請求項11に記載のシース。
- 前記シースの前記遠位端は、補強されず、前記拡張器が存在しないときは半径方向の力をほとんどかけない、請求項11に記載のシース。
- 体腔で器具を使用する方法であって、
半径方向に折りたたみ可能な遠位端を有するシースに拡張器を挿入するステップと、
前記シースの前記遠位端の直径が前記シースの前記近位端の直径より小さくなるように前記シースの前記遠位端を前記拡張器の周りで半径方向内側に折りたたむステップと、
前記シースおよび前記拡張器を前記体腔に挿入し、前記シースを目標治療部位まで前進させるステップと、
前記拡張器を拡張させ、前記拡張器を拡張させることによって、前記シースの前記遠位端を前記シースの前記近位端の直径とほぼ同じ直径になるまで拡張させるステップと、
前記拡張器を取り出し、前記シースの前記近位端から前記遠位端までほぼ同じ直径を有する中枢ルーメンを残すステップと、
治療または診断のための器具またはカテーテルを前記シースの前記中枢ルーメンを通して導入するステップとを有する方法。 - 前記手順の完了後に、前記シースを前記体腔から取り出すステップをさらに有する、請求項15に記載の方法。
- 前記シースを前記体腔に導入する前に前記体腔にガイドワイヤを導入するステップをさらに有する、請求項15に記載の方法。
- 前記拡張器のルーメンを通過する前記ガイドワイヤを介して前記拡張器および前記シースを導入するステップをさらに有する、請求項17に記載の方法。
- 前記シースを前記体腔から取り出す前に前記シースの前記遠位端を折りたたむステップをさらに有する、請求項15に記載の方法。
- 患者の体腔で器具を使用するようになっている装置であって、
近位端および遠位端を有するシースと、
シースの前記遠位端を半径方向に折りたたみ、前記半径方向折りたたみ構成を維持する手段と、
前記遠位端がその半径方向折りたたみ構成である間に前記シースを前記体腔に導入する手段と、
前記シースの前記半径方向に折りたたまれた遠位端を拡張させる手段と、
前記拡張器による拡張の後で、前記シースの前記遠位端の前記拡張構成を維持する手段と、
器具の使用、前記シースを通した物質の前記体腔への導入または前記体腔からの引出しを行う手段と、
前記シースを前記体腔から取り出す手段とを有する装置。 - ガイドワイヤを介して前記シースを追跡する手段をさらに有する、請求項20に記載の装置。
- 前記シースの外側に滑性のコーティングをさらに有する、請求項20に記載の装置。
- 前記シースの前記遠位端を拡張させる前記手段は、前記拡張可能な遠位端内に最低で7気圧の圧力を発生させることができる、請求項20に記載の装置。
- 前記半径方向に拡張可能な遠位端は、半径方向に拡張される前に、それほど歪んだりねじれたりすること無しにねじれによって半径が2cmになるように湾曲することができる、請求項20に記載の装置。
- 治療または診断のために、尿管を通して腎臓に接近するようになっている装置であって、拡張不能な近位端と、約10フレンチ以下の外径から約12フレンチを超える外径まで拡張することのできる半径方向に拡張可能な遠位端とを有するシースを有する装置。
- シース全長が25cmから150cmの間である、請求項27に記載の装置。
- 前記シースの前記拡張可能な遠位端の長さは1cmから50cmの間である、請求項25に記載の装置。
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- 2005-09-09 JP JP2007531345A patent/JP4938668B2/ja active Active
- 2005-09-09 EP EP05794916.6A patent/EP1819391B1/en active Active
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2011
- 2011-03-11 US US13/046,519 patent/US8597277B2/en active Active
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2015191182A (ja) * | 2014-03-28 | 2015-11-02 | 株式会社京都科学 | 導尿カテーテル挿入用模型 |
JP2019521723A (ja) * | 2016-05-26 | 2019-08-08 | メリット・メディカル・システムズ・インコーポレイテッドMerit Medical Systems,Inc. | 拡張可能導入器アセンブリ |
JP2021534903A (ja) * | 2018-09-10 | 2021-12-16 | ボストン サイエンティフィック サイムド, インコーポレイテッドBoston Scientific Scimed, Inc. | 拡張可能な特性を有するイントロデューサ |
JP7267401B2 (ja) | 2018-09-10 | 2023-05-01 | ボストン サイエンティフィック サイムド,インコーポレイテッド | 拡張可能な特性を有するイントロデューサ |
JP2022508478A (ja) * | 2018-09-20 | 2022-01-19 | スリー ピークス メディカル ピーティーワイ リミテッド | 調整可能なシースデバイス |
JP7500579B2 (ja) | 2018-09-20 | 2024-06-17 | スリー ピークス メディカル ピーティーワイ リミテッド | 調整可能なシースデバイス |
Also Published As
Publication number | Publication date |
---|---|
US20060135981A1 (en) | 2006-06-22 |
US20110282156A1 (en) | 2011-11-17 |
WO2006031619A2 (en) | 2006-03-23 |
EP1819391A4 (en) | 2008-04-23 |
JP4938668B2 (ja) | 2012-05-23 |
WO2006031619A8 (en) | 2006-08-17 |
EP1819391A2 (en) | 2007-08-22 |
US8597277B2 (en) | 2013-12-03 |
EP1819391B1 (en) | 2020-02-19 |
WO2006031619A3 (en) | 2006-06-01 |
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