JP2021519121A - セラミック内側スリーブを有する血管内血液ポンプ - Google Patents
セラミック内側スリーブを有する血管内血液ポンプ Download PDFInfo
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- A61M2207/00—Methods of manufacture, assembly or production
Abstract
Description
Claims (15)
- 患者の血管内への経皮挿入のための血管内血液ポンプ(P)であって、インペラ(6)、および前記インペラ(6)を駆動するための電気モータを含む、ポンピングデバイス(1)を備え、前記電気モータがステータおよびロータ(7)を含み、前記ロータ(7)が前記ポンピングデバイス(1)内の空洞(22)の内部に配置されており、回転軸の周りに回転可能であり、前記インペラ(6)の回転を生じさせることができるよう前記インペラ(6)に結合されており、前記空洞(22)が、セラミック材料で作製された内側スリーブ(14)によって形成されていることを特徴とする血管内血液ポンプ(P)。
- 請求項1に記載の血液ポンプであって、前記ステータが、前記内側スリーブ(14)上に配置され、前記ロータ(7)の回転を生じさせるための磁界、好ましくは、回転磁界を発生するように構成されたコイル巻線(9)を含むことを特徴とする血液ポンプ。
- 請求項1または2に記載の血液ポンプであって、セラミック材料で作製されており、前記空洞(22)を取り囲むよう前記内側スリーブ(14)の軸方向端部に流体密封の様態で取り付けられた端部部品(11)をさらに備えることを特徴とする血液ポンプ。
- 請求項3に記載の血液ポンプであって、前記端部部品(11)が、前記ロータ(7)を回転可能に支持する軸受を含み、前記軸受が、好ましくは、ジャーナル軸受であることを特徴とする血液ポンプ。
- 請求項1から4のいずれか1項に記載の血液ポンプであって、前記空洞(22)が、パージ流体を前記空洞(22)内へ供給するように構成された前記血液ポンプのパージ管材(15)と流体連通していることを特徴とする血液ポンプ。
- 請求項1から5のいずれか1項に記載の血液ポンプであって、前記ステータが前記内側スリーブ(14)によって前記空洞(22)に対して流体密封の様態で密閉されていることを特徴とする血液ポンプ。
- 請求項1から6のいずれか1項に記載の血液ポンプであって、前記ステータ、好ましくは、前記コイル巻線(9)の電気接続部(23、24、25)が少なくとも部分的に前記内側スリーブ(14)上に形成されていることを特徴とする血液ポンプ。
- 請求項1から7のいずれか1項に記載の血液ポンプであって、前記内側スリーブ(14)が、約40μm〜約60μm、好ましくは、約50μmの壁厚を有することを特徴とする血液ポンプ。
- 請求項1から8のいずれか1項に記載の血液ポンプであって、前記内側スリーブ(14)が実質的に円筒形であることを特徴とする血液ポンプ。
- 請求項1から9のいずれか1項に記載の血液ポンプであって、前記ステータ、好ましくは、少なくとも前記コイル巻線(9)が流し込み成形材料(18)を用いて前記内側スリーブ(14)の外部に固定されており、前記流し込み成形材料(18)が、好ましくは、ポリマー材料、好ましくは、樹脂、より好ましくは、エポキシを含むことを特徴とする血液ポンプ。
- 請求項1から10のいずれか1項に記載の血液ポンプであって、前記ポンピングデバイス(1)の外面の少なくとも一部分を形成する外側スリーブ(13)をさらに備え、前記ステータの少なくとも一部分が前記外側スリーブ(13)と前記内側スリーブ(14)との間の隙間(19)内に配置されていることを特徴とする血液ポンプ。
- 請求項11に記載の血液ポンプであって、前記外側スリーブ(13)が、前記電気モータのヨークを形成するための磁気伝導性材料を含み、前記外側スリーブ(13)が、好ましくは、金属または金属合金を含むことを特徴とする血液ポンプ。
- 血管内血液ポンプ、特に、請求項1から12のいずれか1項に記載の血管内血液ポンプを製作する方法であって、前記血液ポンプが、インペラ(6)、および前記インペラ(6)を駆動するための電気モータを含む、ポンピングデバイス(1)を備え、前記電気モータがステータおよびロータ(7)を含み、前記ロータ(7)が回転軸の周りに回転可能であり、前記インペラ(6)の回転を生じさせることができるよう前記インペラ(6)に結合されており、前記方法が、
− 前記ロータ(7)を受容するための空洞(22)を形成するためのセラミック材料で作製された内側スリーブ(14)を提供するステップと、
− 前記ロータ(7)の回転を生じさせるための磁界、好ましくは、回転磁界を発生するためのコイル巻線(9)を前記内側スリーブ(14)上に配置するステップと、を含むことを特徴とする方法。 - 請求項13に記載の方法であって、セラミック材料で作製された端部部品(11)を、前記空洞(22)を取り囲むよう前記内側スリーブ(14)の軸方向端部に流体密封の様態で取り付けるステップをさらに含み、前記端部部品(11)が、好ましくは、前記ロータ(7)を回転可能に支持する軸受を含み、前記軸受が、好ましくは、ジャーナル軸受であることを特徴とする方法。
- 請求項13または14に記載の方法であって、流し込み成形材料(18)を、少なくとも、前記内側スリーブ(14)上に配置された前記コイル巻線(9)を封入するよう、前記内側スリーブ(14)の周りに射出成形するステップをさらに含むことを特徴とする方法。
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EP18163761.2A EP3542836A1 (en) | 2018-03-23 | 2018-03-23 | Intravascular blood pump with ceramic inner sleeve |
EP18163761.2 | 2018-03-23 | ||
PCT/EP2019/057011 WO2019180104A1 (en) | 2018-03-23 | 2019-03-20 | Intravascular blood pump with ceramic inner sleeve |
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DE102018201030A1 (de) | 2018-01-24 | 2019-07-25 | Kardion Gmbh | Magnetkuppelelement mit magnetischer Lagerungsfunktion |
EP3542836A1 (en) * | 2018-03-23 | 2019-09-25 | Abiomed Europe GmbH | Intravascular blood pump with ceramic inner sleeve |
DE102018211327A1 (de) | 2018-07-10 | 2020-01-16 | Kardion Gmbh | Laufrad für ein implantierbares, vaskuläres Unterstützungssystem |
DE102020102474A1 (de) | 2020-01-31 | 2021-08-05 | Kardion Gmbh | Pumpe zum Fördern eines Fluids und Verfahren zum Herstellen einer Pumpe |
CN112472999A (zh) * | 2020-12-22 | 2021-03-12 | 余顺周 | 血泵 |
AU2022328388A1 (en) * | 2021-08-12 | 2024-02-15 | Abiomed, Inc. | Motor cables for intravascular blood pumps |
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- 2019-03-20 KR KR1020207030501A patent/KR20200135479A/ko not_active Application Discontinuation
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CN111971080A (zh) | 2020-11-20 |
JP2024003155A (ja) | 2024-01-11 |
JP7386802B2 (ja) | 2023-11-27 |
CA3094892A1 (en) | 2019-09-26 |
SG11202008482UA (en) | 2020-10-29 |
EP3768342A1 (en) | 2021-01-27 |
EP4338788A2 (en) | 2024-03-20 |
WO2019180104A1 (en) | 2019-09-26 |
DK3768342T3 (da) | 2024-03-04 |
CN117679625A (zh) | 2024-03-12 |
EP3768342B1 (en) | 2024-02-07 |
EP3542836A1 (en) | 2019-09-25 |
AU2019239596A1 (en) | 2020-09-17 |
KR20200135479A (ko) | 2020-12-02 |
IL276900A (en) | 2020-10-29 |
US20210015982A1 (en) | 2021-01-21 |
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