JP2021514787A - 止血ロータシール用磁気カプラ - Google Patents
止血ロータシール用磁気カプラ Download PDFInfo
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- JP2021514787A JP2021514787A JP2020546922A JP2020546922A JP2021514787A JP 2021514787 A JP2021514787 A JP 2021514787A JP 2020546922 A JP2020546922 A JP 2020546922A JP 2020546922 A JP2020546922 A JP 2020546922A JP 2021514787 A JP2021514787 A JP 2021514787A
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Abstract
Description
上述した実施態様のいずれかについて代替的に又は追加的に、動力源は、ハウジングの第2のセクションに取り付けられたカテーテルシャフト内に配置される。
上述した実施態様のいずれかについて代替的に又は追加的に、動力源は、駆動シャフトに接続された第2のインペラであり、カテーテルシャフトは、流体流路を画定し、駆動シャフトと第2のインペラは、第2のインペラに衝突する流体がインペラを駆動し、それによって第2の磁石を回転させて第1の磁石を回転させ、インペラシャフトとインペラとを回転させるように、流体流路に配置される。
上述した実施態様のいずれかについて代替的に又は追加的に、インペラシャフトの遠位領域は円筒形である。
上述した実施態様のいずれかについて代替的に又は追加的に、医療装置は、第2の磁石と流体バリアとの間に配置されたピボット部材をさらに含む。
例示的な別の医療装置はハウジングを含み、該ハウジングは、血流を受け入れるための入口と、血流を送達するための複数の側開口部とを含み、該ハウジングは長手軸を有し、該ハウジング内に配置されて、該ハウジングを、入口と複数の側開口部とを含む第1のセクションと、第2のセクションとにハウジングを分離する流体バリアを含み、流体バリアは流体に対して不浸透性を有し、ハウジングの第1のセクション内に配置されるインペラを含み、該インペラの長手軸とハウジングの長手軸は同じであり、該インペラは、本体と、本体から径方向外側に延びる少なくとも1つのブレードとを有し、ハウジングの第1のセクションに配置されるとともに、回転することによりインペラを回転させるようにインペラに結合される少なくとも1つの第1の磁石を含み、ハウジングの第2のセクション内に配置される駆動シャフトを含み、駆動シャフトに結合されてハウジングの第2のセクション内に配置される少なくとも1つの第2の磁石を含み、第2の磁石の回転により第1の磁石が回転するように、第1の磁石と第2の磁石とが構成され、配置されており、ハウジングに結合されるカテーテルシャフトを含み、駆動シャフトに結合される動力源を含み、該動力源はカテーテルシャフト内に配置される。
本明細書では、すべての数値は、明示的に示されているかどうかにかかわらず、「約」という用語で修飾されていると想定されている。「約」という用語は、数値の文脈において、一般に、当業者が列挙された値と同等であると考える(例えば、同じ機能又は結果を有する)数値の範囲を指す。多くの場合、「約」という用語には、最も近い有効数字に四捨五入された数値が含まれ得る。「約」という用語の他の使用(例えば、数値以外の文脈で)は、特に明記されていない限り、明細書の文脈から理解され、それと一致する通常の慣習的な定義を持っていると見なされる。
Claims (15)
- 血流を受け入れるための少なくとも1つの入口と、血流を送達するための少なくとも1つの出口とを含み、長手軸を有するハウジングと、
前記ハウジング内に配置され、前記ハウジングを、少なくとも1つの入口と少なくとも1つの出口とを含む第1のセクションと第2のセクションとに分離する、流体に対して不浸透性の流体バリアと、
前記ハウジングの前記第1のセクション内に配置されるインペラであって、該インペラの長手軸と前記ハウジングの長手軸とは同じであり、本体と、前記本体から半径方向外向きに延びる少なくとも1つのブレードとを有する前記インペラと、
前記インペラに結合されるインペラシャフトに結合される少なくとも1つの第1の磁石であって、前記ハウジングの前記第1のセクションに配置されるとともに前記インペラシャフトに回転可能に結合される前記第1の磁石と、
前記ハウジングの前記第2のセクション内に配置された駆動シャフトと、
前記ハウジングの前記第2のセクション内において前記駆動シャフトに配置された少なくとも1つの第2の磁石であって、当該第2の磁石の回転が前記第1の磁石を回転させるように構成され及び配置される前記少なくとも1つの第2の磁石と、
を備える医療装置。 - 前記駆動シャフトに結合された動力源をさらに備える、請求項1に記載の医療装置。
- 前記動力源は、前記ハウジングの前記第2のセクションに取り付けられたカテーテルシャフト内に配置される、請求項2に記載の医療装置。
- 前記動力源は、モータである、請求項3に記載の医療装置。
- 前記動力源は前記駆動シャフトに接続された第2のインペラであり、前記カテーテルシャフトは、流体流路を画定しており、前記第2のインペラに衝突する流体が当該第2のインペラを駆動し、当該第2のインペラが前記第2の磁石を回転し、前記第2の磁石の回転が第1の磁石を回転し、それによって前記インペラシャフトと前記インペラとを回転するように、前記駆動シャフトと前記第2のインペラとが流体流路内に配置される、請求項3に記載の医療装置。
- 前記少なくとも1つの出口は、前記ハウジングの周囲に間隔を隔てて配置された複数の側開口部を含み、前記インペラは、少なくとも1つのブレードが前記複数の側開口部に隣接して配置されるように前記ハウジング内に配置される、請求項1から5のいずれか一項に記載の医療装置。
- 前記第1の磁石は当該第1の磁石を貫通して前記インペラシャフトを受け入れて当該第1の磁石に結合するように構成された第1の開口部を有し、前記第2の磁石は当該第2の磁石を貫通して前記駆動シャフトを受け入れて当該第2の磁石に結合するように構成された第2の開口部を有し、前記第1の開口部と前記第2の開口部とは、それぞれが駆動シャフトの長手軸に対して直角になる第1の横断面形状を有し、
前記駆動シャフトと、前記インペラシャフトの少なくとも一部とは、それぞれが、それぞれのシャフトの長手軸に対し直角になる第2の横断面形状を有し、前記第1の横断面形状と前記第2の横断面形状とは、前記インペラシャフトと前記駆動シャフトの回転が前記第1の磁石と前記第2の磁石をそれぞれ回転させるように非円形に形成される、
請求項1から6のいずれか一項に記載の医療装置。 - 前記第1及び第2の横断面形状は、真っ直ぐな両側面と半円形の両端部とを有する競技場形である、請求項7に記載の医療装置。
- 前記インペラシャフトの遠位領域は円筒形である、請求項8に記載の医療装置。
- 前記インペラシャフトの近位端は、前記第1の磁石の近位に延び、前記近位端は、前記流体バリアの第1の凹部によって受け入れられるように構成された第1の突起を有する、請求項1〜9のいずれか一項に記載の医療装置。
- 前記インペラシャフトは、前記第1の突起に隣接するディスクを含み、前記ディスクは、前記インペラシャフトの長手軸から直角に延びる、請求項10に記載の医療装置。
- 前記ディスクが2つの対向するローブを有する、請求項11に記載の医療装置。
- 前記第2の磁石と前記流体バリアとの間に配置されたピボット部材をさらに備える、請求項1〜12のいずれか一項に記載の医療装置。
- 前記ピボット部材は、当該ピボット部材から遠位に延びる突起を有し、該突起は、前記流体バリアの第2の凹部によって受けられるように構成される、請求項13に記載の医療装置。
- 血流を受け入れるための入口と、血流を送達するための複数の側開口部とを含み、長手軸を有するハウジングと、
前記ハウジング内に配置され、前記ハウジングを、前記入口と前記複数の側開口部とを含む第1のセクションと第2のセクションとに分離する、流体に対して不浸透性の流体バリアと、
前記ハウジングの前記第1のセクション内に配置されるインペラであって、該インペラの長手軸と前記ハウジングの長手軸とは同じであり、本体と、前記本体から半径方向外向きに延びる少なくとも1つのブレードとを有する前記インペラと、
前記ハウジングの第1のセクションに配置されるとともに回転することにより前記インペラを回転させるように前記インペラに結合される少なくとも1つの第1の磁石と、
前記ハウジングの前記第2のセクション内に配置された駆動シャフトと、
駆動シャフトに結合されるとともに前記ハウジングの前記第2のセクション内に配置される少なくとも1つの第2の磁石であって、回転することにより前記第1の磁石を回転させるように第1の磁石とともに構成され及び配置される少なくとも1つの第2の磁石と、
前記ハウジングに結合されたカテーテルと、
前記駆動シャフトに結合され、前記カテーテル内に配置された動力源と、
を備える医療装置。
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JP2023149913A Pending JP2023175826A (ja) | 2018-03-09 | 2023-09-15 | 止血ロータシール用磁気カプラ |
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EP (2) | EP4420712A2 (ja) |
JP (2) | JP7563977B2 (ja) |
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DE102018201030A1 (de) | 2018-01-24 | 2019-07-25 | Kardion Gmbh | Magnetkuppelelement mit magnetischer Lagerungsfunktion |
DE102018207575A1 (de) | 2018-05-16 | 2019-11-21 | Kardion Gmbh | Magnetische Stirndreh-Kupplung zur Übertragung von Drehmomenten |
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DE102018211327A1 (de) | 2018-07-10 | 2020-01-16 | Kardion Gmbh | Laufrad für ein implantierbares, vaskuläres Unterstützungssystem |
DE102018212153A1 (de) | 2018-07-20 | 2020-01-23 | Kardion Gmbh | Zulaufleitung für eine Pumpeneinheit eines Herzunterstützungssystems, Herzunterstützungssystem und Verfahren zum Herstellen einer Zulaufleitung für eine Pumpeneinheit eines Herzunterstützungssystems |
US20210170081A1 (en) * | 2019-01-21 | 2021-06-10 | William R. Kanz | Percutaneous Blood Pump Systems and Related Methods |
AU2020358073B2 (en) * | 2019-10-03 | 2023-08-03 | Boston Scientific Scimed Inc. | Reduced thrombosis blood pump |
AU2020396948A1 (en) | 2019-12-03 | 2022-06-23 | Procyrion, Inc. | Blood pumps |
CA3160964A1 (en) | 2019-12-13 | 2021-06-17 | Procyrion, Inc. | Support structures for intravascular blood pumps |
DE102020102474A1 (de) | 2020-01-31 | 2021-08-05 | Kardion Gmbh | Pumpe zum Fördern eines Fluids und Verfahren zum Herstellen einer Pumpe |
EP4039320A1 (en) | 2020-04-07 | 2022-08-10 | Magenta Medical Ltd. | Lateral blood-inlet openings |
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WO2024057257A2 (en) * | 2022-09-14 | 2024-03-21 | Magenta Medical Ltd | Pump-head portion of ventricular assist device |
CN116196549B (zh) * | 2023-02-14 | 2023-11-03 | 上海玮启医疗器械有限公司 | 心脏辅助系统驱动装置 |
CN116421878A (zh) * | 2023-06-13 | 2023-07-14 | 北京悦唯医疗科技有限责任公司 | 心室辅助导管 |
CN116421879A (zh) * | 2023-06-13 | 2023-07-14 | 北京悦唯医疗科技有限责任公司 | 流体动力导管 |
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- 2019-03-07 WO PCT/US2019/021162 patent/WO2019173596A1/en active Application Filing
- 2019-03-07 US US16/295,709 patent/US11813443B2/en active Active
- 2019-03-07 EP EP24188305.7A patent/EP4420712A2/en active Pending
- 2019-03-07 CN CN202410321720.1A patent/CN118320290A/zh active Pending
- 2019-03-07 EP EP19713608.8A patent/EP3762057B1/en active Active
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EP4420712A2 (en) | 2024-08-28 |
EP3762057A1 (en) | 2021-01-13 |
US20240024660A1 (en) | 2024-01-25 |
WO2019173596A1 (en) | 2019-09-12 |
JP2023175826A (ja) | 2023-12-12 |
EP3762057B1 (en) | 2024-08-14 |
US20190275224A1 (en) | 2019-09-12 |
JP7563977B2 (ja) | 2024-10-08 |
CN112105398A (zh) | 2020-12-18 |
US11813443B2 (en) | 2023-11-14 |
CN118320290A (zh) | 2024-07-12 |
CN112105398B (zh) | 2024-04-09 |
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