JP2011515174A - 心臓補助装置 - Google Patents
心臓補助装置 Download PDFInfo
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- JP2011515174A JP2011515174A JP2011501282A JP2011501282A JP2011515174A JP 2011515174 A JP2011515174 A JP 2011515174A JP 2011501282 A JP2011501282 A JP 2011501282A JP 2011501282 A JP2011501282 A JP 2011501282A JP 2011515174 A JP2011515174 A JP 2011515174A
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- 230000000747 cardiac effect Effects 0.000 title description 3
- 230000002861 ventricular Effects 0.000 claims abstract description 41
- 239000008280 blood Substances 0.000 claims abstract description 30
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- 238000005086 pumping Methods 0.000 claims abstract description 10
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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
- A61M60/20—Type thereof
- A61M60/247—Positive displacement blood pumps
- A61M60/253—Positive displacement blood pumps including a displacement member directly acting on the blood
- A61M60/268—Positive displacement blood pumps including a displacement member directly acting on the blood the displacement member being flexible, e.g. membranes, diaphragms or bladders
- A61M60/274—Positive displacement blood pumps including a displacement member directly acting on the blood the displacement member being flexible, e.g. membranes, diaphragms or bladders the inlet and outlet being the same, e.g. para-aortic counter-pulsation blood 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
- A61M60/10—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
- A61M60/148—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 in line with a blood vessel using resection or like techniques, e.g. permanent endovascular heart assist devices
-
- 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
- A61M60/165—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart
- A61M60/178—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart drawing blood from a ventricle and returning the blood to the arterial system via a cannula external to the ventricle, e.g. left or right ventricular assist devices
-
- 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
- A61M60/247—Positive displacement blood pumps
- A61M60/253—Positive displacement blood pumps including a displacement member directly acting on the blood
- A61M60/268—Positive displacement blood pumps including a displacement member directly acting on the blood the displacement member being flexible, e.g. membranes, diaphragms or bladders
-
- 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
- A61M60/424—Details relating to driving for positive displacement blood pumps
- A61M60/438—Details relating to driving for positive displacement blood pumps the force acting on the blood contacting member being mechanical
- A61M60/454—Details relating to driving for positive displacement blood pumps the force acting on the blood contacting member being mechanical generated by electro-active actuators, e.g. using electro-active polymers or piezoelectric elements
-
- 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
- A61M60/515—Regulation using real-time patient data
-
- 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
- A61M60/861—Connections or anchorings for connecting or anchoring pumps or pumping devices to parts of the patient's body
-
- 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
- A61M60/89—Valves
- A61M60/898—Valves the blood pump being a membrane blood pump and the membrane acting as inlet valve
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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Cardiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Mechanical Engineering (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Medical Informatics (AREA)
- External Artificial Organs (AREA)
Abstract
Description
Claims (22)
- 内部空間を規定している筺体と、該内部空間に通じる、少なくとも2つのポートと、該少なくとも2つのポートの間にて該内部空間を介して血液をポンピングするための、少なくとも1つのポンプとを備えており、
該ポートおよび該内部空間が、弁によって遮断されていない、連続的な血流経路を形成している、心室補助装置。 - 上記筺体が、略円筒型の内部空間を規定している、請求項1に記載の装置。
- 上記少なくとも2つのポートの間にて上記内部空間を介して血液をポンピングするための、1対のポンプを備えており、
各ポンプが、該内部空間の横断面に配置された押し板を有している、請求項2に記載の装置。 - 各ポンプが、上記押し板と、上記筺体の内面との間に配置された駆動装置を有している、請求項3に記載の装置。
- 上記駆動装置が、線形振動アクチュエータを有している、請求項4に記載の装置。
- 上記押し板または各押し板が、電気活性ポリマー材料を含んでいる、請求項3に記載の装置。
- 上記押し板または各押し板の端部を上記筺体の内部に連結させる、可撓性隔膜を有している、請求項3〜6のいずれか1項に記載の装置。
- 各上記ポートが、インサイチュにてその形状を実質的に保持する湾曲管を有しており、
該ポートの湾曲方向が、略逆向きである、請求項2〜7のいずれか1項に記載の装置。 - 上記ポートが、略正反対の位置にて上記内部空間に通じている、請求項8に記載の装置。
- 上記ポートが、軸方向に離れた位置にて上記内部空間に通じている、請求項8または9に記載の装置。
- 上記ポートが、上記内部空間を規定している上記筺体の上記内面と実質的に接するように該内部空間に通じている、請求項8〜10のいずれか1項に記載の装置。
- 患者の胸腔内にて心臓の近傍に適合するように構成されている、請求項1〜11のいずれか1項に記載の装置。
- 上記ポートのうち第1のポートが、上行大動脈の後側部に移植され、上記ポートのうち第2のポートが、上行大動脈の前側部または大動脈弓に移植されるように、構成されている、請求項12に記載の装置。
- 請求項1〜13のいずれか1項に記載の装置と、
上記ポンプまたは各ポンプに連結された電源と、
上記ポンプまたは各ポンプの動作を心臓の位相に同調させる制御装置と
を備えている、心室補助システム。 - 上記制御装置が、上記ポンプまたは各ポンプに、左心室に対するカウンターパルセイションを行わせる、請求項14に記載のシステム。
- 患者のECG信号を検知するセンサを有しており、
該センサが、上記制御装置に連結されている、請求項15に記載のシステム。 - 人体の胸腔内に心室補助装置を移植するステップと、
上行大動脈の後側部に該装置の第1ポートを取り付け、かつ上記上行大動脈の前側部または大動脈弓に第2ポートを取り付けるステップと、
第1ポートと第2ポートとの間にて血液をポンピングさせる該心室補助装置を作動させるステップと
を含む、人体の治療方法。 - 上記心室補助装置を、カウンターパルセイションを行うものとして作動させ、心室拡張期の間に上記ポート間にて血液をポンピングするステップを含む、請求項17に記載の方法。
- 特定の心室拡張期の間に血液をポンピングし、かつ心室拡張期と心室拡張期の間に休止するように、上記心室補助装置を作動させるステップを含む、請求項18に記載の方法。
- 上記心室補助装置が、請求項1に記載の装置である、請求項17〜19のいずれか1項に記載の方法。
- 添付の図面における図2〜5を参照することによって実質的に記載されている装置。
- 添付の図面における図6〜8を参照することによって実質的に記載されている方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/GB2008/050217 WO2009118499A1 (en) | 2008-03-26 | 2008-03-26 | Heart assist device |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2011515174A true JP2011515174A (ja) | 2011-05-19 |
Family
ID=40043002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011501282A Pending JP2011515174A (ja) | 2008-03-26 | 2008-03-26 | 心臓補助装置 |
Country Status (4)
Country | Link |
---|---|
US (2) | US20110071337A1 (ja) |
EP (1) | EP2282789B1 (ja) |
JP (1) | JP2011515174A (ja) |
WO (1) | WO2009118499A1 (ja) |
Cited By (1)
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JP2016524509A (ja) * | 2013-06-21 | 2016-08-18 | コルビボ インコーポレイテッドCorvivo Inc. | 人工心室 |
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WO2012012552A1 (en) | 2010-07-22 | 2012-01-26 | Thoratec Corporation | Controlling implanted blood pumps |
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WO2015160992A1 (en) | 2014-04-15 | 2015-10-22 | Thoratec Corporation | Methods and systems for lvad operation during communication losses |
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- 2008-03-26 US US12/934,300 patent/US20110071337A1/en not_active Abandoned
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Also Published As
Publication number | Publication date |
---|---|
EP2282789B1 (en) | 2015-09-09 |
US20110071337A1 (en) | 2011-03-24 |
US9333284B2 (en) | 2016-05-10 |
EP2282789A1 (en) | 2011-02-16 |
US20130289335A1 (en) | 2013-10-31 |
WO2009118499A1 (en) | 2009-10-01 |
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