JP2017159083A - 補助循環装置および方法 - Google Patents
補助循環装置および方法 Download PDFInfo
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- A61M60/126—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel
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Abstract
【解決手段】補助循環装置は、心臓動脈内に配置され、かつ配置されるように構成されるステントであって、流路を画定する開放構成を有するように構成されるステントと、ステント内に適合するようにサイズ決定され、かつ流路内で経皮的に配置されるように構成される回転子とを含み、回転子は、中心部の周りに配置され、かつ流路に対して角度を成す表面を含み、また第1の複数の磁石を有する。カラーは、心臓動脈の周りに配置されるようにサイズ決定され、固定子を含む。電源は固定子に連結され、固定子および回転子は、軸の周りで回転子を回転させるように構成される。タイミング制御モジュールは、回転子の回転速度を制御する。したがって、回転子の表面は、回転子の回転に応じて、流路に沿って血液を移動させるように構成される。
【選択図】図8
Description
12…ステント
16…回転子
28…固定子
32…電源
282…コントローラ
Claims (35)
- ヒト心臓用の補助循環装置であって、
心臓動脈内に配置されるようにサイズ決定され、かつ前記心臓動脈内の選択された場所に配置されるように構成されるステントであって、流路を画定する開放構成を有するように構成される、ステントと、
前記ステント内に適合するようにサイズ決定され、かつ前記選択された位置および前記流路内で経皮的に配置されるように構成される回転子であって、中心部の周りに配置され、かつ前記流路に対して角度を成す表面を含み、さらに長手方向軸を画定し、第1の複数の磁石を有する、回転子と、
前記選択された位置で前記心臓動脈に隣接して、電気巻線を有する固定子を備える、カラーと、
前記固定子と動作可能に連結された電源と、
前記電源から前記固定子への電力の印加に応じて相互作用し、前記回転子を前記長手方向軸の周りで回転させるように構成される、前記固定子および前記回転子と、
前記固定子と動作可能に連結され、かつ前記回転子の回転速度を制御するように構成される、タイミング制御モジュールと、を備え、
前記回転子の前記表面は、前記回転子の回転に応じて、前記流路に沿って血液を移動させるように構成される、補助循環装置。 - 前記ステントは磁石セットを含み、前記回転子は第2の複数の磁石を含み、前記ステントの前記磁石セットと前記回転子の前記第2の複数の磁石とは、共働して前記流路に対する前記回転子の長手方向位置を制御する、請求項1に記載の装置。
- 前記選択された位置は、大動脈および肺動脈の両方であり得る、請求項1に記載の装置。
- 前記選択された位置は、弁上である、請求項3に記載の装置。
- 前記回転子の前記表面は、複数の羽根によって形成される、請求項1に記載の装置。
- 前記回転子の前記表面は、螺旋状である、請求項1に記載の装置。
- 前記タイミング制御モジュールは、自然の拍動を感知するように構成されるセンサと動作可能に連結され、前記タイミングモジュールは、前記自然の拍動に応じて前記回転子の前記回転速度を制御するように構成される、請求項1に記載の装置。
- 前記タイミング制御モジュールは、前記回転子の前記回転速度を基準速度とより速い速度との間で制御するように構成され、前記基準速度は、前記装置を閉鎖弁として機能させるように構成され、前記より速い速度は、前記流路に沿って所望の流速で血液を移動させるように構成される、請求項1に記載の装置。
- 前記回転子および前記ステントの一方または両方が、抗凝固剤で被覆される、請求項1に記載の装置。
- 前記電源は、皮下に配置されるように構成される、請求項1に記載の装置。
- 前記電源は、経皮充電のために構成される、請求項10に記載の装置。
- ヒト心臓のための補助循環装置であって、
心臓動脈内の選択された位置で前記心臓動脈内に配置されるようにサイズ決定されるステントであって、流路を画定するように構成される、ステントと、
前記ステント内および前記選択された位置および前記流路内に適合するようにサイズ決定される磁化された回転子であって、前記流路に対して角度を成す表面を含み、さらに長手方向軸を含む、回転子と、
前記磁化された回転子に隣接して配置され、電気巻線を有する固定子と、
前記固定子と動作可能に連結された電源と、
前記電源から前記固定子への電力の印加に応じて相互作用し、前記回転子を前記長手方向軸の周りで回転させるように構成される、前記固定子および前記回転子と、
前記固定子と動作可能に連結され、かつ前記回転子の回転速度を基準となる第1の速度とより速い第2の速度との間で制御するように構成される、タイミング制御モジュールと、を備え、
前記回転子の前記表面は、前記回転子の回転に応じて、前記流路に沿って血液を移動させるように構成される、補助循環装置。 - 前記ステントは、折り畳み構成と拡張構成との間で切り替え可能であり、前記折り畳み構成は、所望の位置における前記ステントの経皮配置を可能にし、前記ステントは、前記ステントが前記流路を画定する時に、前記折り畳み構成から前記拡張構成に切り替わるように構成される、請求項12に記載の装置。
- 前記回転子は、折り畳み構成と拡張構成との間で切り替え可能であり、前記折り畳み構成は、前記所望の位置における前記ステント内の前記回転子の経皮配置を可能にする、請求項13に記載の装置。
- 前記回転子は、複数の羽根を含み、前記羽根は、前記回転子が前記折り畳み構成から前記拡張構成に切り替えられた時に拡張するように構成される、請求項14に記載の装置。
- 前記回転子に隣接して配置されたカラーをさらに備え、前記カラーは前記固定子を含み、前記カラーおよび前記回転子は、共働する磁石セットを含み、前記磁石セットは、共働して前記ステントに対する前記回転子の長手方向位置を前記流路に沿って制御する、請求項12に記載の装置。
- 前記選択された位置は、大動脈および肺動脈の両方であり得る、請求項12に記載の装置。
- 前記選択された位置は、弁上である、請求項12に記載の装置。
- 前記タイミング制御モジュールは、自然の拍動を感知するように構成されるセンサと動作可能に連結され、前記タイミングモジュールは、前記自然の拍動に応じて前記回転子の前記回転速度を制御するように構成される、請求項12に記載の装置。
- 前記タイミング制御モジュールは、前記回転子の前記回転速度を基準速度とより速い速度との間で制御するように構成され、前記基準速度は、前記装置を閉鎖弁として機能させるように構成され、前記より速い速度は、前記流路に沿って所望の流速で血液を移動させるように構成される、請求項12に記載の装置。
- 前記タイミング制御モジュールは、前記回転子の前記回転速度を制御して第1の流量特性および第2の流量特性を生じさせるように構成され、前記第1の流量特性は、少なくても部分的な逆方向の流れを生じさせ、前記第2の流量特性は、順方向の流れを生じさせる、請求項12に記載の装置。
- 前記回転子および前記ステントのうちの一方または両方が、抗凝固剤で被覆される、請求項12に記載の装置。
- 前記電源は、皮下に配置されるように構成される、請求項12に記載の装置。
- 前記電源は、電池であり、経皮充電のために構成される、請求項23に記載の装置。
- 前記タイミング制御モジュールは、経皮的プログラミングのために構成される、請求項12に記載の装置。
- 前記カラーは、選択された位置(複数可)での低侵襲性の配置に適合される、請求項12に記載の装置。
- 心臓に補助循環装置を移植する方法であって、
心臓動脈内の選択された位置で前記心臓動脈内に配置されるようにサイズ決定されたステントを選択するステップと、
前記ステントを折り畳み構成で前記選択された位置に配置するステップと、
前記選択された位置で前記ステントを拡張して前記ステントを通る流路を画定するステップと、
前記選択された位置の前記拡張されたステント内および前記流路内に適合するようにサイズ決定される磁化された回転子を提供するステップと、前記流路に対して角度を成す表面を有する前記回転子を提供するステップであって、前記回転子はさらに長手方向軸を含む、ステップと、
前記磁化された回転子に隣接して固定子を配置するステップであって、前記固定子は電気巻線を有する、ステップと、
前記固定子に電源を動作可能に連結するステップと、
前記固定子および前記回転子が、前記電源から前記固定子への電力の印加に応じて相互作用し、前記回転子を前記長手方向軸の周りで回転させるように構成するステップと、
前記固定子と動作可能に連結され、かつ前記回転子の回転速度を基準となる第1の速度とより速い第2の速度との間で制御するように構成されるタイミング制御モジュールを提供するステップ、および
前記回転子の回転に応じて、前記流路に沿って血液を移動させるように前記回転子を作動させるステップと、を含む、方法。 - 前記選択された位置は、心臓の肺動脈内であり、前記流路の少なくとも一部を人工肺に向けて誘導することを含む、請求項27に記載の方法。
- 前記タイミング制御モジュールは、前記回転子を回転させて逆方向の流れを生じさせるように構成される、請求項27に記載の方法。
- 前記タイミング制御モジュールをセンサに連結することであって、前記センサは、自然の拍動を検出するように構成され、前記自然の拍動と一致するように前記回転子を回転させるように前記タイミング制御モジュールを構成することと、を含む、請求項27に記載の方法。
- ヒト心臓用の補助循環装置であって、
心臓動脈内に配置されるようにサイズ決定され、かつ前記心臓動脈内の選択された場所に配置されるように構成されるステントであって、流路を画定する開放構成を有するように構成されて、かつ磁石セットを含む、ステントと、
前記ステント内に適合するようにサイズ決定され、かつ中心部の周りに配置され、かつ前記流路に対して角度を成す表面を含み、さらに長手方向軸を画定し、第1の複数の磁石および第2の複数の磁石を有する、回転子と、
前記ステントの前記磁石セットと前記回転子の前記第2の複数の磁石とは、共働して前記流路に対する前記回転子の長手方向位置を制御する、補助循環装置。 - 前記回転子は、第1の端部と第2の端部とを含み、前記回転子の前記第2の複数の磁石は、前記回転子の前記第1の端部に隣接して配置された1つ以上の磁石と、前記回転子の前記第2の端部に隣接して配置された1つ以上の磁石と、を含む、請求項31に記載の装置。
- 前記回転子の前記第2の複数の磁石の1つ以上の磁石が、前記回転子の1つ以上の外表面の上または前記回転子の前記外表面の下に配置される、請求項32に記載の装置。
- 前記ステントは、第1の端部、第2の端部、前記ステントの前記第1の端部に隣接して配置された1つ以上の磁石、および前記ステントの前記第2の端部に隣接して配置される1つ以上の磁石を含む、請求項31に記載の装置。
- 前記ステントの前記第1端部および前記第2の端部の1つ以上の磁石は、前記ステントの内表面、前記ステントの外表面、または前記ステントの前記内表面と前記外表面との間の1つ以上に配置される、請求項34に記載の装置。
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CN104168932B (zh) | 2016-03-23 |
EP2785391B1 (en) | 2015-09-23 |
WO2013082053A1 (en) | 2013-06-06 |
JP2015503940A (ja) | 2015-02-05 |
US20160136344A1 (en) | 2016-05-19 |
US20130138205A1 (en) | 2013-05-30 |
US11458295B2 (en) | 2022-10-04 |
US20190344000A1 (en) | 2019-11-14 |
JP6139550B2 (ja) | 2017-05-31 |
KR102109391B1 (ko) | 2020-05-13 |
US9107992B2 (en) | 2015-08-18 |
US20130281762A1 (en) | 2013-10-24 |
US10398822B2 (en) | 2019-09-03 |
KR102025959B1 (ko) | 2019-09-26 |
KR20140123042A (ko) | 2014-10-21 |
JP6469755B2 (ja) | 2019-02-13 |
CN104168932A (zh) | 2014-11-26 |
EP2785391A1 (en) | 2014-10-08 |
KR20190110631A (ko) | 2019-09-30 |
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