JP2021516094A - 人工バイパス血管を展開するためのシステム - Google Patents
人工バイパス血管を展開するためのシステム Download PDFInfo
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Abstract
Description
本発明は血管手術の分野、特に、例えば大動脈と大腿動脈との間の動脈バイパス手術の分野に関する。本発明は、より詳細には、バイパス手術のための人工血管を展開するためのシステムに関し、少なくとも1つのステントを備えている。
米国特許第8,357,190号は、血管アクセスを得るための腹腔鏡デバイス、特に、近位端および遠位端を有する細長いグラフトチューブを備えている腹腔鏡導管のための展開システムを記載する。近位端は、近位端を開いた状態に保つための少なくとも2つの自己拡張型ステントと、2つのステントの間に設けられて血管壁の開口部を通る密封領域を提供するギャップと、細長くステントを有さない遠位部分とを備えている。米国特許第8,357,190号の展開システムは、それを複雑で高価なデバイスにする技術的な構造要件を備えている。さらに、この腹腔鏡デバイスは、低侵襲手術を可能にする一方で、ヒトに対する試験はまだ行われていない。その設計から、それは、人工血管の展開中に激しい出血を引き起こす可能性がある。これは、患者にとって明白な潜在的有益性にもかかわらず、この技術を不評にする主要な困難である。従って、より簡単な構造且つ出血を引き起こすことなく全ての血管外科医にこの手術をアクセス可能にすることが可能な腹腔鏡デバイスについての要求がある。
この問題が提起されたので、本発明は、人工血管を展開するためのシステムの新しい構築による大動脈−プロテーゼの吻合に対する解決策である。用語「吻合」は、ここでは直接的なまたは接続(縫合)による、他の血管の方向における血管の開口をいう。
本発明は、添付の図面を用いて、より良く理解され、且つ例示されるのであろう。しかし、添付の図面は、本発明の1つの特定の実施形態のみを示し、したがって、特許請求の範囲によってのみ規定される本発明の範囲を限定するものとして解釈されるべきではない。
− 図1は、本発明の人工血管を展開するためのシステムの好ましい実施形態を示す;
− 図2は、血管の内側および外側に人工血管を成形および安定化し、且つ人工血管と血管との間の接合部を封止することができる、膨張性バルーンのシステムを示す;
− 図3は、本発明による展開システムと共に使用可能な分岐した人工血管の一例を示す、並びに
− 図4Aおよび図4Bは、それぞれ、展開前および展開後の外科的処置の2つの段階における、本発明による展開システムのインレットコーンを示す。
− 用語「遠位」および「近位」は、当技術分野で慣用的に、すなわち、例えば、米国特許第8357190号において規定されるとおり、理解されるべきであり、
− 用語「管腔」は、血管を指し、その壁によって含まれる内部空間を示し、
− 用語「ステント」は、血管、特に動脈の管腔に挿入され得る任意のワイヤもしくはチューブ、または任意のシャフト、スティックもしくはロッドを指す。
Claims (9)
- バイパス手術用の人工血管(2)を展開するためのシステム(1)であり、
少なくとも1つのステント(15)を備え、血管内に導入され且つそこに接続される端部分(14)を有し、
血管内に導入されるように配置されたシース(11)を備え、並びに
血管中で前記人工血管を形成および安定化するための第1の膨張性バルーン(8b)および前記人工血管の前記端部分(14)と血管との間の接合部を封止するための第2の膨張性バルーン(7)を備えており、
前記システムは、前記バルーン(8b、7)を膨張させるための手段(5、6、25、26)をさらに備えており、
前記第1の膨張性バルーン(8b)は、変形可能な生体適合性ポリマー材料で形成され、且つ前記第2の膨張性バルーン(7)は、変形不可能な生体適合性ポリマー材料で形成されている、バイパス手術用の人工血管(2)を展開するためのシステム(1)。 - 前記人工血管(2)は、遠位セクション(16)を備えており、
第3の膨張性バルーン(8a)が設けられ、
前記第3の膨張性バルーン(8a)は、それが血管内に配置されたときに前記人工血管を開き、且つ前記遠位セクション(16)の展開を完璧にするように配置される、請求項1に記載の人工血管(2)を展開するためのシステム(1)。 - 手段(4)が、その中に生理学的潤滑血清を注入するために提供される、請求項1および2のいずれか1項に記載の展開デバイス(1)。
- 前記シース(11)は、その遠位端(13)に、引裂きガイド(20)を備えている、請求項1〜3のいずれか1項に記載のシステム。
- 前記バルーンを膨張させるための前記手段(5、6、25、26)は、前記第1のバルーン(8b)を膨張させるための第1の手段(5、25)と、前記第2のバルーン(7)を膨張させるための第2の手段(6、26)と、を備えている、請求項1〜4のいずれか1項に記載の展開デバイス(1)。
- 前記第1の膨張手段(5、25)および前記第2の膨張手段(6、26)は、前記バルーンを異なる圧力および/または異なる膨張動力学で膨張させるように配置されている、請求項5に記載の展開デバイス(1)。
- 前記人工血管(2)は分岐しており、厳密に解剖学的バイパス手術を可能にする、請求項1〜6のいずれか1項に記載の展開システム(1)。
- 前記人工血管は、前記膨張性バルーン(7、8b、8a)を備えているアセンブリ21に横断された枝(17a)と、自由なままである別の枝(17b)とを備えている、請求項7に記載の展開システム(1)。
- 前記人工血管(2)は、前記血管の内壁を把持するための手段(18)を備えている、請求項1〜8のいずれか1項に記載の展開デバイス(1)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE2018/5116 | 2018-02-27 | ||
BE2018/5116A BE1025571B1 (fr) | 2018-02-27 | 2018-02-27 | Système de déploiement d'une prothèse vasculaire pour pontage |
PCT/EP2019/053259 WO2019166208A1 (fr) | 2018-02-27 | 2019-02-11 | Systeme de deploiement d'une prothese vasculaire pour pontage |
Publications (1)
Publication Number | Publication Date |
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JP2021516094A true JP2021516094A (ja) | 2021-07-01 |
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Application Number | Title | Priority Date | Filing Date |
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JP2020545661A Ceased JP2021516094A (ja) | 2018-02-27 | 2019-02-11 | 人工バイパス血管を展開するためのシステム |
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Country | Link |
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US (1) | US20210015644A1 (ja) |
EP (1) | EP3781089B1 (ja) |
JP (1) | JP2021516094A (ja) |
KR (1) | KR20200138739A (ja) |
CN (1) | CN112218600A (ja) |
AU (1) | AU2019228239A1 (ja) |
BE (1) | BE1025571B1 (ja) |
BR (1) | BR112020017331A2 (ja) |
ES (1) | ES2924263T3 (ja) |
MX (1) | MX2020008956A (ja) |
WO (1) | WO2019166208A1 (ja) |
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JP7303581B2 (ja) * | 2019-04-24 | 2023-07-05 | 貝克生医股▲フン▼有限公司 | 消化器系腫瘍を処置するための装置及び方法 |
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US20050283181A1 (en) * | 2004-06-21 | 2005-12-22 | Sundaram Ravikumar | Catheter device and method for selective occlusion of arteries of the descending aorta |
JP2016036468A (ja) * | 2014-08-06 | 2016-03-22 | 学校法人自治医科大学 | 止血シャントデバイス |
JP2018000634A (ja) * | 2016-07-04 | 2018-01-11 | 株式会社カネカ | バルーンカテーテル |
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US5578071A (en) * | 1990-06-11 | 1996-11-26 | Parodi; Juan C. | Aortic graft |
WO2000041632A1 (en) * | 1999-01-15 | 2000-07-20 | Ventrica, Inc. | Methods and devices for bypassing an obstructed target vessel by placing the vessel in communication with a heart chamber containing blood |
US6723116B2 (en) * | 2002-01-14 | 2004-04-20 | Syde A. Taheri | Exclusion of ascending/descending aorta and/or aortic arch aneurysm |
US20040039410A1 (en) * | 2002-08-22 | 2004-02-26 | Brooke Ren | High-strength balloon with tailored softness |
CA2544416A1 (en) * | 2003-11-03 | 2005-05-12 | B-Balloon Ltd. | Treatment of vascular bifurcations |
US9034025B2 (en) * | 2005-05-23 | 2015-05-19 | Ostial Corporation | Balloon catheters and methods for use |
GB2475743B (en) * | 2009-11-30 | 2011-11-23 | Cook William Europ | Balloon catheter |
US9463105B2 (en) * | 2013-03-14 | 2016-10-11 | Covidien Lp | Methods and apparatus for luminal stenting |
WO2016022673A1 (en) * | 2014-08-05 | 2016-02-11 | Dwyer Amy C | Anti-migration stent deployment delivery systems and methods |
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- 2019-02-11 JP JP2020545661A patent/JP2021516094A/ja not_active Ceased
- 2019-02-11 CN CN201980028448.5A patent/CN112218600A/zh not_active Withdrawn
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- 2019-02-11 AU AU2019228239A patent/AU2019228239A1/en active Pending
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US20050283181A1 (en) * | 2004-06-21 | 2005-12-22 | Sundaram Ravikumar | Catheter device and method for selective occlusion of arteries of the descending aorta |
JP2016036468A (ja) * | 2014-08-06 | 2016-03-22 | 学校法人自治医科大学 | 止血シャントデバイス |
JP2018000634A (ja) * | 2016-07-04 | 2018-01-11 | 株式会社カネカ | バルーンカテーテル |
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US20210015644A1 (en) | 2021-01-21 |
MX2020008956A (es) | 2020-11-06 |
WO2019166208A1 (fr) | 2019-09-06 |
EP3781089A1 (fr) | 2021-02-24 |
KR20200138739A (ko) | 2020-12-10 |
ES2924263T3 (es) | 2022-10-05 |
CN112218600A (zh) | 2021-01-12 |
BE1025571B1 (fr) | 2019-04-12 |
AU2019228239A1 (en) | 2020-10-15 |
BR112020017331A2 (pt) | 2020-12-15 |
EP3781089B1 (fr) | 2022-06-01 |
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