JP7218298B2 - 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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Classifications
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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
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/02—Holding devices, e.g. on the body
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- 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
- A61M60/827—Sealings between moving parts
- A61M60/829—Sealings between moving parts having a purge fluid supply
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- 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
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- 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
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- A—HUMAN NECESSITIES
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- 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
- A61M60/165—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart
- A61M60/17—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart inside a ventricle, e.g. intraventricular balloon pumps
- A61M60/174—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart inside a ventricle, e.g. intraventricular balloon pumps discharging the blood to the ventricle or arterial system via a cannula internal to the ventricle or arterial system
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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
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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
- A61M60/40—Details relating to driving
- A61M60/403—Details relating to driving for non-positive displacement blood pumps
- A61M60/408—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable
- A61M60/411—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable generated by an electromotor
- A61M60/414—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable generated by an electromotor transmitted by a rotating cable, e.g. for blood pumps mounted on a catheter
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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
- A61M60/80—Constructional details other than related to driving
- A61M60/855—Constructional details other than related to driving of implantable pumps or pumping devices
- A61M60/871—Energy supply devices; Converters therefor
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- A—HUMAN NECESSITIES
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- A61M2205/00—General characteristics of the apparatus
- A61M2205/36—General characteristics of the apparatus related to heating or cooling
- A61M2205/3606—General characteristics of the apparatus related to heating or cooling cooled
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Cardiology (AREA)
- Hematology (AREA)
- Veterinary Medicine (AREA)
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- Anesthesiology (AREA)
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- Mechanical Engineering (AREA)
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- Pulmonology (AREA)
- External Artificial Organs (AREA)
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Description
心臓補助ポンプを駆動するためのモータ(35)を含み、モータ(35)は経皮駆動シャフト(3)を介して心臓補助ポンプに接続可能であり、
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、接触面は熱伝導方法でモータ(35)に接続され、又は接続可能であり、モータ(35)によって発生された熱を患者の組織に伝達する、外部駆動ユニット。
Claims (16)
- 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、
前記心臓補助ポンプを駆動するためのモータ(35)を含み、前記モータ(35)は経皮駆動シャフト(3)を介して前記心臓補助ポンプ(4)に接続可能であり、
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、前記接触面は熱伝導方法で前記モータ(35)に接続され、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、外部駆動ユニット(7)。 - 前記接触面の表面積が少なくとも25cm2、好ましくは少なくとも50cm2であることを特徴とする、請求項1に記載の外部駆動ユニット(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1又は2のいずれか1項に記載の外部駆動ユニット(7)。
- 前記ヒートスプレッダ(19)は薄片又はパッチであることを特徴とする、請求項1~3のいずれか1項に記載の外部駆動ユニット(7)。
- 前記ヒートスプレッダ(19)は熱伝導層(31)を含み、前記熱伝導層(31)は金属、特に銅、アルミニウム、及び/又は熱分解カーボンを含むことを特徴とする、請求項1~4のいずれか1項に記載の外部駆動ユニット(7)。
- 前記ヒートスプレッダ(19)は生体適合性コーティング(32)を含むことを特徴とする、請求項1~5のいずれか1項に記載の外部駆動ユニット(7)。
- 前記ヒートスプレッダ(19)は前記皮膚に前記ヒートスプレッダ(19)を取り付けるための接着面を含むことを特徴とする、請求項1~6のいずれか1項に記載の外部駆動ユニット(7)。
- 前記ヒートスプレッダ(19)は、開口部(20、20’)又は凹部を含み、皮膚からの汗の蒸発を可能にすることを特徴とする、請求項1~7のいずれか1項に記載の外部駆動ユニット(7)。
- 前記開口部(20、20’)は細長いことを特徴とする、請求項8に記載の外部駆動ユニット(7)。
- 前記ヒートスプレッダ(19)は汗吸収材料(34)、特に織物を含むことを特徴とする、請求項1~9のいずれか1項に記載の外部駆動ユニット(7)。
- 前記モータ(35)はステータ(37)と前記経皮駆動シャフト(3)に接続可能な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)と流体接続することを特徴とする、請求項1~10のいずれか1項に記載の外部駆動ユニット(7)。
- 前記流体ギャップ(43)の幅は最大1mmであることを特徴とする、請求項11に記載の外部駆動ユニット(7)。
- 前記流体ギャップ(43)の幅は少なくとも0.1mmであることを特徴とする、請求項11又は12のいずれか1項に記載の外部駆動ユニット(7)。
- 前記ヒートスプレッダ(19)はヒートパイプを含むことを特徴とする、請求項1~13のいずれか1項に記載の外部駆動ユニット(7)。
- 請求項1~14のいずれか1項に記載の外部駆動ユニットであって、
前記モータ(35)は、
前記経皮駆動シャフト(3)を取り囲むカテーテル(2)が接続されたモータ筐体(17)を備え、
前記モータ筐体(17)がヒートスプレッダ(19)に接続されることを特徴とする外部駆動ユニット(7)。 - 請求項1~15のいずれか1項に記載の前記外部駆動ユニット(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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JP2023009125A JP2023038328A (ja) | 2017-04-07 | 2023-01-25 | 埋め込み型心臓補助ポンプ用の外部駆動ユニットおよび心臓補助装置 |
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Application Number | Priority Date | Filing Date | Title |
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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 |
US15/482,513 | 2017-04-07 | ||
EP17187359.9A EP3384940B8 (en) | 2017-04-07 | 2017-08-22 | External drive unit for an implantable heart assist pump |
EP17187358.1 | 2017-08-22 | ||
EP17187358.1A EP3446729B1 (en) | 2017-08-22 | 2017-08-22 | External drive unit for an implantable heart assist pump |
EP17187359.9 | 2017-08-22 | ||
PCT/EP2018/058942 WO2018185331A1 (en) | 2017-04-07 | 2018-04-06 | External drive unit for an implantable heart assist pump |
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JP2019555015A Active 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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JP2022116267A Active JP7453287B2 (ja) | 2017-04-07 | 2022-07-21 | 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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Country Status (10)
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EP (4) | EP4104894A1 (ja) |
JP (5) | JP7218298B2 (ja) |
KR (4) | KR20230161538A (ja) |
CN (4) | CN115779261A (ja) |
AU (4) | AU2018248902B2 (ja) |
DK (2) | DK3606575T3 (ja) |
ES (2) | ES2944578T3 (ja) |
IL (4) | IL269814B2 (ja) |
SG (2) | SG11201909157PA (ja) |
WO (2) | WO2018185331A1 (ja) |
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CN108742951B (zh) | 2012-06-06 | 2021-05-25 | 洋红医疗有限公司 | 人工肾脏瓣膜 |
US10583231B2 (en) | 2013-03-13 | 2020-03-10 | Magenta Medical Ltd. | Blood pump |
CN105473063B (zh) | 2013-03-13 | 2019-03-08 | 马真塔医药有限公司 | 血液泵浦及其制造方法 |
US11291824B2 (en) | 2015-05-18 | 2022-04-05 | Magenta Medical Ltd. | Blood pump |
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