JP2022132584A - 埋め込み型心臓補助ポンプ用の外部駆動ユニット - Google Patents
埋め込み型心臓補助ポンプ用の外部駆動ユニット Download PDFInfo
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Abstract
Description
Claims (19)
- 埋め込み型心臓補助ポンプ(4)用の外部駆動ユニット(7)であって、
モータハウジング(51)と、
経皮駆動シャフト(3)と、
心臓補助ポンプ(4)を駆動するためのモータ(35)であって、前記駆動シャフト(3)を介して前記心臓補助ポンプ(4)に接続可能であり、かつ前記モータハウジング(51)の内側に配置される、モータ(35)と、
前記駆動シャフト(3)を取り囲むカテーテル(2)と、
前記カテーテル(2)の管腔の中、又は前記カテーテル(2)と前記駆動シャフト(3)との間の空間(41)の中にパージ媒体を注入するためのパージライン(53)と、
を含み、
前記パージライン(53)は前記モータ筐体(51)の外面、及び/又は前記カテーテル(2)の近位部分(52)の外面と熱接触(54、55)することを特徴とする、外部駆動ユニット(7)。 - 前記パージライン(53)は前記パージ媒体を誘導するように構成され、その結果、前記パージ媒体は最初に前記モータ筐体(51)の前記外面と、及び/又は前記カテーテル(2)の前記近位部分(52)の前記外面と熱接触(55)し、その後、前記カテーテル(2)の前記管腔の中、又は前記カテーテル(2)と前記駆動シャフト(3)との間の前記空間(41)の中に注入されることを特徴とする、請求項1に記載の駆動ユニット(7)。
- 前記パージライン(53)は前記モータ筐体(51)の前記外面及び前記カテーテルの前記近位部分(52)の前記外面の両方と熱接触(54、55)していることを特徴とする、請求項1又は2に記載の駆動ユニット(7)。
- 前記パージラインは完全に体外であることを特徴とする、請求項3に記載の駆動ユニット(7)。
- 前記パージライン(53)は前記パージ媒体を誘導するように構成され、その結果、前記パージ媒体は最初に前記カテーテル(2)の前記近位部分(52)の前記外面と熱接触(54)し、その後、前記モータ筐体(51)の前記外面と熱接触(55)することを特徴とする、請求項3又は4に記載の駆動ユニット(7)。
- 前記モータ(35)はステータ(37)と前記駆動シャフト(3)に接続された回転可能に取り付けられたロータ(36)とを含み、流体ギャップ(43)は前記ロータ(36)と前記ステータ(37)との間に形成され、前記流体ギャップ(43)は前記パージ媒体を前記流体ギャップ(43)の中に注入するためのパージ開口部(42)と流体接続し、前記パージライン(53)は前記パージ開口部(42)に接続され、又は接続可能であることを特徴とする、請求項1~5のいずれか1項に記載の駆動ユニット(7)。
- 前記パージライン(53)及び前記流体ギャップ(43)は前記パージ媒体を誘導するように構成され、その結果、前記パージ媒体は最初に前記モータ筐体(51)の前記外面と、及び/又は前記カテーテル(2)の前記近位部分(52)の前記外面と熱接触(55)し、その後、前記ロータ(36)と前記ステータ(37)との間の前記流体ギャップ(43)の中に注入され、その後、前記カテーテル(2)の前記管腔の中、又は前記カテーテル(2)と前記駆動シャフト(3)との間の前記空間(41)の中に注入されることを特徴とする、請求項6に記載の駆動ユニット(7)。
- 前記パージライン(53)は前記パージ媒体の流れを、前記パージライン(53)が前記モータ筐体(51)の前記外面と、及び/又は前記カテーテル(2)の近位部分(52)の前記外面と熱接触(55)する領域において近位方向に誘導し、その後、前記パージ媒体を前記カテーテル(2)の前記管腔の中、又は前記カテーテル(2)と前記駆動シャフト(3)との間の前記空間(41)の中に注入するように構成されることを特徴とする、請求項1~7のいずれか1項に記載の駆動ユニット(7)。
- 前記パージライン(53)は前記モータ筐体(51)及び/又は前記カテーテル(2)の前記近位部分(52)を、前記パージライン(53)が前記モータ筐体(51)の前記外面と、及び/又は前記カテーテル(2)の近位部分(52)の前記外面と熱接触(55)する領域において包囲することを特徴とする、請求項1~8のいずれか1項に記載の駆動ユニット(7)。
- 前記パージライン(53)は前記モータ筐体(51)及び/又は前記カテーテル(2)の前記近位部分(52)を、前記パージライン(53)が前記モータ筐体(51)の前記外面と、及び/又は前記カテーテル(2)の近位部分(52)の前記外面と熱接触(55)する前記領域において螺旋状に周回することを特徴とする、請求項9に記載の駆動ユニット(7)。
- 前記パージライン(53)は前記カテーテル(2)の前記近位部分(52)を、前記パージライン(53)が前記カテーテル(2)の近位部分(52)の前記外面と熱接触(55)する前記領域において螺旋状に周回することを特徴とする、請求項10に記載の駆動ユニット(7)。
- 前記駆動ユニット(7)の筐体(17)によって特徴付けられ、前記モータ筐体(51)及び/又は前記カテーテルの前記近位部分(52)が前記駆動ユニット(7)の前記筐体(17)内に配置される、請求項1~11のいずれか1項に記載の駆動ユニット(7)。
- 前記パージライン(53)の内面と前記モータ筐体(51)の内面との間の全体的な熱コンダクタンスは、前記パージライン(53)の前記内面と前記駆動ユニット(7)の前記筐体(17)の内面との間の全体的な熱コンダクタンスの少なくとも5倍、好ましくは少なくとも10倍になり得ることを特徴とする、請求項1~12のいずれか1項に記載の駆動ユニット(7)。
- 前記パージライン(53)の一部分は前記モータ筐体(51)と前記駆動ユニット(7)の前記筐体(17)との間に延びることを特徴とする、請求項12又は13に記載の駆動ユニット(7)。
- 前記パージライン(53)の一部分は前記カテーテル(2)の前記近位部分(52)と前記駆動ユニット(7)の前記筐体(17)との間に延びることを特徴とする、請求項12~14のいずれか1項に記載の駆動ユニット(7)。
- 前記パージライン(53)と前記駆動ユニット(7)の前記筐体(17)との間に配置された断熱材によって特徴付けられる、請求項12~15のいずれか1項に記載の駆動ユニット(7)。
- 患者の皮膚に接触するように構成された接触面を備えるヒートスプレッダ(19)によって特徴付けられ、前記接触面は前記モータ(35)と熱伝導方法で接続され、又は接続可能であり、前記モータ(35)によって発生された熱を前記患者の組織に伝達する、請求項1~16のいずれか1項に記載の駆動ユニット(7)。
- 前記ヒートスプレッダ(19)は少なくとも領域において可撓性であることを特徴とする、請求項17に記載の駆動ユニット(7)。
- 請求項1~18のいずれか1項に記載の前記駆動ユニット(7)及び前記埋め込み型心臓補助ポンプ(4)を含む、心臓補助装置(1)。
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US15/482,513 US10926013B2 (en) | 2017-04-07 | 2017-04-07 | Methods and systems for an external drive unit for an implantable heart assist pump |
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EP17187359.9A EP3384940B8 (en) | 2017-04-07 | 2017-08-22 | External drive unit for an implantable heart assist pump |
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EP17187358.1A EP3446729B1 (en) | 2017-08-22 | 2017-08-22 | External drive unit for an implantable heart assist pump |
PCT/EP2018/058941 WO2018185330A1 (en) | 2017-04-07 | 2018-04-06 | External drive unit for an implantable heart assist pump |
JP2019555015A JP7111737B2 (ja) | 2017-04-07 | 2018-04-06 | 埋め込み型心臓補助ポンプ用の外部駆動ユニット |
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JP2024034528A Pending JP2024056034A (ja) | 2017-04-07 | 2024-03-07 | 埋め込み型心臓補助ポンプ用の外部駆動ユニット |
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EP2858711B1 (en) | 2012-06-06 | 2018-03-07 | Magenta Medical Ltd. | Prosthetic renal valve |
US10583231B2 (en) | 2013-03-13 | 2020-03-10 | Magenta Medical Ltd. | Blood pump |
EP3656293B1 (en) | 2013-03-13 | 2021-08-25 | Magenta Medical Ltd. | Blood pump and blood-impermeable sleeve |
US11291824B2 (en) | 2015-05-18 | 2022-04-05 | Magenta Medical Ltd. | Blood pump |
EP3556409B1 (en) | 2016-10-25 | 2022-01-05 | Magenta Medical Ltd. | Ventricular assist device |
CA3039302A1 (en) | 2016-11-23 | 2018-05-31 | Magenta Medical Ltd. | Blood pumps |
US10926013B2 (en) | 2017-04-07 | 2021-02-23 | Ecp Entwicklungsgesellschaft Mbh | Methods and systems for an external drive unit for an implantable heart assist pump |
US10905808B2 (en) | 2018-01-10 | 2021-02-02 | Magenta Medical Ltd. | Drive cable for use with a blood pump |
DE102018207611A1 (de) | 2018-05-16 | 2019-11-21 | Kardion Gmbh | Rotorlagerungssystem |
CA3122415A1 (en) | 2019-01-24 | 2020-07-30 | Magenta Medical Ltd | Ventricular assist device |
CN110711275B (zh) * | 2019-11-18 | 2021-04-27 | 苏州心擎医疗技术有限公司 | 用于体外血泵的马达、体外血泵、和体外血泵*** |
AT523469B1 (de) * | 2020-01-27 | 2024-06-15 | Univ Wien Tech | Stoffaustauschvorrichtung |
DE102020102474A1 (de) | 2020-01-31 | 2021-08-05 | Kardion Gmbh | Pumpe zum Fördern eines Fluids und Verfahren zum Herstellen einer Pumpe |
CN113244525B (zh) * | 2021-05-11 | 2023-07-04 | 丰凯利医疗器械(上海)有限公司 | 一种传动支撑与分流结构及泵血导管 |
CN113559408B (zh) * | 2021-07-09 | 2022-08-02 | 苏州心擎医疗技术有限公司 | 用于对心脏在发生功能衰竭时进行辅助的装置 |
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