JP2020534085A - 血液ポンプ - Google Patents
血液ポンプ Download PDFInfo
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- JP2020534085A JP2020534085A JP2020516571A JP2020516571A JP2020534085A JP 2020534085 A JP2020534085 A JP 2020534085A JP 2020516571 A JP2020516571 A JP 2020516571A JP 2020516571 A JP2020516571 A JP 2020516571A JP 2020534085 A JP2020534085 A JP 2020534085A
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- 210000004369 blood Anatomy 0.000 title claims abstract description 134
- 239000000696 magnetic material Substances 0.000 claims abstract description 58
- 238000004804 winding Methods 0.000 claims abstract description 51
- 229910000831 Steel Inorganic materials 0.000 claims description 21
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- 210000004204 blood vessel Anatomy 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 6
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- 230000017531 blood circulation Effects 0.000 abstract description 8
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/40—Details relating to driving
- A61M60/403—Details relating to driving for non-positive displacement blood pumps
- A61M60/419—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being permanent magnetic, e.g. from a rotating magnetic coupling between driving and driven magnets
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
- 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
- A61M60/135—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 inside a blood vessel, e.g. using grafting
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
- 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
- A61M60/13—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 by means of a catheter allowing explantation, e.g. catheter pumps temporarily introduced via the vascular system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
- 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
- A61M60/135—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 inside a blood vessel, e.g. using grafting
- A61M60/139—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 inside a blood vessel, e.g. using grafting inside the aorta, e.g. intra-aortic balloon pumps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/20—Type thereof
- A61M60/205—Non-positive displacement blood pumps
- A61M60/216—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/20—Type thereof
- A61M60/205—Non-positive displacement blood pumps
- A61M60/216—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller
- A61M60/221—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller the blood flow through the rotating member having both radial and axial components, e.g. mixed flow pumps
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/20—Type thereof
- A61M60/205—Non-positive displacement blood pumps
- A61M60/216—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller
- A61M60/237—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller the blood flow through the rotating member having mainly axial components, e.g. axial flow pumps
- A61M60/242—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller the blood flow through the rotating member having mainly axial components, e.g. axial flow pumps with the outlet substantially perpendicular to the axis of rotation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/40—Details relating to driving
- A61M60/403—Details relating to driving for non-positive displacement blood pumps
- A61M60/422—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being electromagnetic, e.g. using canned motor pumps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/50—Details relating to control
- A61M60/508—Electronic control means, e.g. for feedback regulation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/802—Constructional details other than related to driving of non-positive displacement blood pumps
- A61M60/818—Bearings
- A61M60/82—Magnetic bearings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/802—Constructional details other than related to driving of non-positive displacement blood pumps
- A61M60/818—Bearings
- A61M60/824—Hydrodynamic or fluid film bearings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/802—Constructional details other than related to driving of non-positive displacement blood pumps
- A61M60/818—Bearings
- A61M60/825—Contact bearings, e.g. ball-and-cup or pivot bearings
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/80—Constructional details other than related to driving
- A61M60/855—Constructional details other than related to driving of implantable pumps or pumping devices
- A61M60/865—Devices for guiding or inserting pumps or pumping devices into the patient's body
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Cardiology (AREA)
- Mechanical Engineering (AREA)
- Anesthesiology (AREA)
- Veterinary Medicine (AREA)
- Hematology (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Transplantation (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- External Artificial Organs (AREA)
Abstract
Description
Claims (15)
- 患者の血管に経皮的に挿入するための血管内血液ポンプ(1)であって、
− 血液流入口(21)と血液流出口(22)を有するポンプケーシング(2)と、
− 前記ポンプケーシング(2)内に回転軸(10)周りに回転可能に配置されたインペラ(3)であって、前記インペラ(3)は、前記血液流入口(21)から前記血液流出口(22)へ血液を搬送するための大きさと形状を有するブレード(31)を有する、インペラ(3)と、
− 前記インペラ(3)を回転させるための駆動ユニット(104)とを備え、前記駆動ユニット(104)は、前記回転軸(10)周りに配置された複数のポスト(140)を含み、前記ポスト(140)のそれぞれは、長手方向軸を有し、前記長手方向軸に沿って延びるシャフト部分(141)と、前記インペラ(3)に向けられたヘッド部分(142)とを含み、コイル巻線(47)が前記ポスト(140)のそれぞれの前記シャフト部分(141)の周りに配置され、前記コイル巻線(47)は、回転磁界を生成するように順次制御可能であり、前記インペラ(3)は、前記インペラ(3)の回転を引き起こすように前記回転磁界と相互作用するように配置された少なくとも1つの磁石(132)を含み、前記ポスト(140)のそれぞれの前記シャフト部分(141)は、前記それぞれのポスト(140)の前記長手方向軸を横切る断面において不連続である軟磁性材料を含む
ことを特徴とする血管内血液ポンプ(1)。 - 請求項1に記載の血液ポンプであって、前記軟磁性材料は、軟磁性材料、好ましくは電気鋼の複数のシート(171)の形態で提供される、ことを特徴とする血液ポンプ。
- 請求項2に記載の血液ポンプであって、前記シート(171)は、互いに電気的に絶縁されている(172)、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、前記シート(171)は、絶縁層(172)によって互いに電気的に絶縁されており、各絶縁層(172)は、約1μmから約50μmの厚さを有する、ことを特徴とする血液ポンプ。
- 請求項2または4に記載の血液ポンプであって、前記シート(171)は、前記それぞれのポスト(40)の前記長手方向軸に平行に延びている、ことを特徴とする血液ポンプ。
- 請求項2から5のいずれか1項に記載の血液ポンプであって、前記シート(171)は、約25μmから約350μm、好ましくは約50μmから約200μmの厚さを有する、ことを特徴とする血液ポンプ。
- 請求項2から6のいずれか1項に記載の血液ポンプであって、前記複数のシート(171)は、シートのスタックを形成し、前記シート(171)の厚さは、前記スタックの中心から前記スタックの最も外側のシートに向かって減少する、ことを特徴とする血液ポンプ。
- 請求項1に記載の血液ポンプであって、前記軟磁性材料は、互いに電気的に絶縁された(182)複数の軟磁性材料のワイヤ(181)の形態で提供される、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、前記駆動ユニット(104)は、前記ヘッド部分(142)に対向する前記ポスト(140)の前記シャフト部分(141)の端部(144)と係合するバックプレート(150)をさらに含む、ことを特徴とする血液ポンプ。
- 請求項9に記載の血液ポンプであって、前記バックプレート(150)は、前記それぞれのポスト(140)の前記長手方向軸に平行な断面において不連続である軟磁性材料を含む、ことを特徴とする血液ポンプ。
- 請求項8から10のいずれか1項に記載の血液ポンプであって、前記軟磁性材料は、軟磁性材料、好ましくは電気鋼の複数のシート(173、175)の形態で提供される、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、前記シート(173、175)は、互いに電気的に絶縁されている(174、176)、ことを特徴とする血液ポンプ。
- 請求項12に記載の血液ポンプであって、前記シート(173、175)は、前記回転軸に対して横方向に延びている、ことを特徴とする血液ポンプ。
- 請求項11から13のいずれか1項に記載の血液ポンプであって、前記シート(173、175)は、約25μmから約350μm、好ましくは約50μmから約200μmの厚さを有する、ことを特徴とする血液ポンプ。
- 請求項1から14のいずれか1項に記載の血液ポンプであって、前記血液ポンプは、軸方向型血液ポンプである、ことを特徴とする血液ポンプ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2023116542A JP2023126506A (ja) | 2017-09-19 | 2023-07-18 | 血液ポンプ |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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EP17191940.0 | 2017-09-19 | ||
EP17191940.0A EP3456367A1 (en) | 2017-09-19 | 2017-09-19 | Blood pump |
PCT/EP2018/074929 WO2019057636A1 (en) | 2017-09-19 | 2018-09-14 | BLOOD PUMP |
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JP2023116542A Division JP2023126506A (ja) | 2017-09-19 | 2023-07-18 | 血液ポンプ |
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JP2020534085A true JP2020534085A (ja) | 2020-11-26 |
JP7317006B2 JP7317006B2 (ja) | 2023-07-28 |
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JP2020516571A Active JP7317006B2 (ja) | 2017-09-19 | 2018-09-14 | 血液ポンプ |
JP2023116542A Pending JP2023126506A (ja) | 2017-09-19 | 2023-07-18 | 血液ポンプ |
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JP2023116542A Pending JP2023126506A (ja) | 2017-09-19 | 2023-07-18 | 血液ポンプ |
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US (2) | US11648388B2 (ja) |
EP (3) | EP3456367A1 (ja) |
JP (2) | JP7317006B2 (ja) |
KR (2) | KR20240000656A (ja) |
CN (3) | CN116920266A (ja) |
AU (1) | AU2018335112A1 (ja) |
DK (1) | DK3684439T3 (ja) |
ES (1) | ES2884950T3 (ja) |
IL (2) | IL308969A (ja) |
SG (1) | SG11202002292SA (ja) |
WO (1) | WO2019057636A1 (ja) |
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DE102018201030A1 (de) | 2018-01-24 | 2019-07-25 | Kardion Gmbh | Magnetkuppelelement mit magnetischer Lagerungsfunktion |
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EP3711786A1 (en) * | 2019-03-19 | 2020-09-23 | Abiomed Europe GmbH | Blood pump |
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EP3785745A1 (en) | 2019-09-02 | 2021-03-03 | Abiomed Europe GmbH | Blood pump |
JP2023511385A (ja) | 2020-01-21 | 2023-03-17 | ボストン サイエンティフィック サイムド,インコーポレイテッド | 血液ポンプのための磁束強化部を有する磁気駆動装置 |
DE102020102474A1 (de) | 2020-01-31 | 2021-08-05 | Kardion Gmbh | Pumpe zum Fördern eines Fluids und Verfahren zum Herstellen einer Pumpe |
TW202218705A (zh) * | 2020-09-22 | 2022-05-16 | 德商阿比奥梅德歐洲有限公司 | 血泵 |
US20230051950A1 (en) | 2021-08-12 | 2023-02-16 | Abiomed, Inc. | Motor cables for intravascular blood pumps |
TW202335698A (zh) * | 2022-01-28 | 2023-09-16 | 德商阿比奥梅德歐洲有限公司 | 血液泵 |
TWI787128B (zh) * | 2022-05-12 | 2022-12-11 | 周玉珠 | 電磁轉動裝置 |
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- 2018-09-14 KR KR1020237044221A patent/KR20240000656A/ko not_active Application Discontinuation
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SG11202002292SA (en) | 2020-04-29 |
EP3684439B1 (en) | 2021-07-28 |
IL273154B1 (en) | 2024-01-01 |
EP3919115A1 (en) | 2021-12-08 |
WO2019057636A1 (en) | 2019-03-28 |
CN116850443A (zh) | 2023-10-10 |
EP3456367A1 (en) | 2019-03-20 |
CN111344026B (zh) | 2023-04-28 |
KR20240000656A (ko) | 2024-01-02 |
US20200330666A1 (en) | 2020-10-22 |
ES2884950T3 (es) | 2021-12-13 |
KR20200057734A (ko) | 2020-05-26 |
IL273154A (en) | 2020-04-30 |
US11648388B2 (en) | 2023-05-16 |
IL273154B2 (en) | 2024-05-01 |
JP2023126506A (ja) | 2023-09-07 |
IL308969A (en) | 2024-01-01 |
US20230347134A1 (en) | 2023-11-02 |
EP3684439A1 (en) | 2020-07-29 |
DK3684439T3 (da) | 2021-08-30 |
AU2018335112A1 (en) | 2020-04-02 |
CN116920266A (zh) | 2023-10-24 |
JP7317006B2 (ja) | 2023-07-28 |
CN111344026A (zh) | 2020-06-26 |
KR102618057B1 (ko) | 2023-12-27 |
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