JP6847935B2 - 血液ポンプ - Google Patents
血液ポンプ Download PDFInfo
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- JP6847935B2 JP6847935B2 JP2018517850A JP2018517850A JP6847935B2 JP 6847935 B2 JP6847935 B2 JP 6847935B2 JP 2018517850 A JP2018517850 A JP 2018517850A JP 2018517850 A JP2018517850 A JP 2018517850A JP 6847935 B2 JP6847935 B2 JP 6847935B2
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- blood pump
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- 239000008280 blood Substances 0.000 title claims description 67
- 210000004369 blood Anatomy 0.000 title claims description 67
- 238000004804 winding Methods 0.000 claims description 29
- 238000000576 coating method Methods 0.000 claims description 21
- 239000011248 coating agent Substances 0.000 claims description 20
- 238000004382 potting Methods 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 10
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 230000004323 axial length Effects 0.000 claims description 6
- 229910010293 ceramic material Inorganic materials 0.000 claims description 4
- 210000004204 blood vessel Anatomy 0.000 claims description 2
- 239000012530 fluid Substances 0.000 description 17
- -1 polyethylene Polymers 0.000 description 5
- 230000005291 magnetic effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 description 3
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 239000004696 Poly ether ether ketone Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000000560 biocompatible material Substances 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 230000005294 ferromagnetic effect Effects 0.000 description 3
- 239000008103 glucose Substances 0.000 description 3
- 210000005240 left ventricle Anatomy 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
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- 239000010959 steel Substances 0.000 description 3
- 210000000689 upper leg Anatomy 0.000 description 3
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- 229910001928 zirconium oxide Inorganic materials 0.000 description 3
- 229910003481 amorphous carbon Inorganic materials 0.000 description 2
- 210000000709 aorta Anatomy 0.000 description 2
- 210000001765 aortic valve Anatomy 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
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- 210000001105 femoral artery Anatomy 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
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- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
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- 210000003484 anatomy Anatomy 0.000 description 1
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- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000012781 shape memory material Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
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- 229910001220 stainless steel Inorganic materials 0.000 description 1
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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
- A61M60/408—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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- 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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- 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
- A61M60/126—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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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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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
- A61M60/148—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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/20—Type thereof
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- 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
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- 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
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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
- A61M60/419—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
- A61M60/40—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
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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
- A61M60/80—Constructional details other than related to driving
- A61M60/802—Constructional details other than related to driving of non-positive displacement blood pumps
- A61M60/81—Pump housings
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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
- A61M60/802—Constructional details other than related to driving of non-positive displacement blood pumps
- A61M60/81—Pump housings
- A61M60/812—Vanes or blades, e.g. static flow guides
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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
- A61M60/802—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
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- A—HUMAN NECESSITIES
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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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- A—HUMAN NECESSITIES
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- A61M2205/00—General characteristics of the apparatus
- A61M2205/02—General characteristics of the apparatus characterised by a particular materials
- A61M2205/0211—Ceramics
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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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/02—General characteristics of the apparatus characterised by a particular materials
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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
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Cardiology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Mechanical Engineering (AREA)
- Anesthesiology (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Transplantation (AREA)
- External Artificial Organs (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Description
Claims (19)
- カテーテル(2)内を案内される可撓性駆動シャフト(3)と、前記駆動シャフト(3)の遠位領域で前記駆動シャフト(3)に接続された送達要素(6)と、モータ(7)とを備える血液ポンプであり、前記モータ(7)が、ステータ(36)と、前記ステータ(36)内に回転可能に取り付けられたロータ(30)とを備え、前記ステータ(36)が、巻線(37)を備え、前記ロータ(30)が、ロータ磁石(31)を備え、前記駆動シャフト(3)が、前記駆動シャフト(3)の近位端部で前記ロータ(30)に接続されている血液ポンプであって、
前記ステータ(36)と前記ロータ(30)とが、取外し不能に互いに接続され、前記ロータ(30)と前記ステータ(36)によって画定される隙間(40)を形成し、
リンス開口(41)が、前記隙間(40)に流体接続されている、
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、前記隙間(40)が、最大で1mmの幅を有する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、前記リンス開口(41)が、前記モータ(7)の近位端部に配置されたリンス接続部(42)に接続されることを特徴とする血液ポンプ。
- 請求項1から3のいずれか1項に記載の血液ポンプであって、前記隙間(40)が、前記カテーテル(2)と前記駆動シャフト(3)の間に形成される中間空間に流体接続され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、前記隙間(40)が、0.05mmの最小幅を有す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、前記巻線(37)が、前記ロータ磁石(31)の外径の最大で1.5倍に対応する内径を有す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、前記巻線(37)と前記ロータ磁石(31)の間の径方向距離が、最大で2mmであることを特徴とする血液ポンプ。
- カテーテル(2)内を案内される可撓性駆動シャフト(3)と、前記駆動シャフト(3)の遠位領域で前記駆動シャフト(3)に接続された送達要素(6)と、モータ(7)とを備える血液ポンプであり、前記モータ(7)が、ステータ(36)と、前記ステータ(36)内に回転可能に取り付けられたロータ(30)とを備え、前記ステータ(36)が、巻線(37)を備え、前記ロータ(30)が、ロータ磁石(31)を備え、前記駆動シャフト(3)が、前記駆動シャフト(3)の近位端部で前記ロータ(30)に接続されている血液ポンプであって、
前記ステータ(36)と前記ロータ(30)とが、取外し不能に互いに接続され、前記ロータ(30)と前記ステータ(36)によって画定される隙間(40)を形成し、
前記巻線(37)が、生体適合性ポッティング化合物にポッティング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、前記ステータ(36)が、基本的に環状の断面を有する液密スリーブ(44)を備え、前記液密スリーブ(44)によって前記隙間(40)が画定される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、前記液密スリーブ(44)が、前記ロータ磁石(31)の軸方向長さの1.5倍より小さい軸方向の長さを有する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、前記ロータ(30)が、少なくとも1つの滑り軸受によって径方向に取り付けられることを特徴とする血液ポンプ。
- 請求項1から11のいずれか1項に記載の血液ポンプであって、前記ロータが、少なくとも1つの玉軸受によって径方向に取り付けられることを特徴とする血液ポンプ。
- 請求項1から12のいずれか1項に記載の血液ポンプであって、前記少なくとも1つの玉軸受が、磁化不能材料を含むことを特徴とする血液ポンプ。
- 請求項10または13のいずれか1項に記載の血液ポンプであって、前記少なくとも1つの玉軸受が、セラミック材料を含む玉を備えることを特徴とする血液ポンプ。
- 請求項10から14のいずれか1項に記載の血液ポンプであって、前記少なくとも1つの玉軸受が、プラスチックを含む保持器を備えることを特徴とする血液ポンプ。
- 請求項1から15のいずれか1項に記載の血液ポンプであって、前記ロータ(30)が、前記ロータ磁石(31)を保護するためのコーティングおよび/またはカバーを有することを特徴とする血液ポンプ。
- 請求項1から16のいずれか1項に記載の血液ポンプであって、前記血液ポンプが、前記モータ(7)が患者の体外に配置されているときに心室から患者の血管に血液を送り込むように構成されることを特徴とする血液ポンプ。
- 請求項1から17のいずれか1項に記載の血液ポンプであって、前記送達要素(6)および筐体(5)を含む展開可能なポンプヘッド(4)を特徴とし、前記送達要素(6)および前記筐体(5)が、強制的に圧縮された後で自動的に展開するように設計されている血液ポンプ。
- 請求項1から18のいずれか1項に記載の血液ポンプであって、前記隙間(40)が、少なくとも0.1mmの幅を有することを特徴とする血液ポンプ。
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JP2021033192A JP7206306B2 (ja) | 2015-10-09 | 2021-03-03 | 血液ポンプ |
JP2023000190A JP2023033367A (ja) | 2015-10-09 | 2023-01-04 | 血液ポンプ |
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EP15189242.9 | 2015-10-09 | ||
EP15189242.9A EP3153191A1 (de) | 2015-10-09 | 2015-10-09 | Blutpumpe |
PCT/EP2016/073697 WO2017060254A1 (de) | 2015-10-09 | 2016-10-04 | Blutpumpe |
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JP2021033192A Division JP7206306B2 (ja) | 2015-10-09 | 2021-03-03 | 血液ポンプ |
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JP6847935B2 true JP6847935B2 (ja) | 2021-03-24 |
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JP2018517850A Active JP6847935B2 (ja) | 2015-10-09 | 2016-10-04 | 血液ポンプ |
JP2021033192A Active JP7206306B2 (ja) | 2015-10-09 | 2021-03-03 | 血液ポンプ |
JP2023000190A Pending JP2023033367A (ja) | 2015-10-09 | 2023-01-04 | 血液ポンプ |
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JP2021033192A Active JP7206306B2 (ja) | 2015-10-09 | 2021-03-03 | 血液ポンプ |
JP2023000190A Pending JP2023033367A (ja) | 2015-10-09 | 2023-01-04 | 血液ポンプ |
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EP (4) | EP3153191A1 (ja) |
JP (3) | JP6847935B2 (ja) |
KR (2) | KR102618774B1 (ja) |
CN (2) | CN108136090B (ja) |
CA (1) | CA3000579A1 (ja) |
DK (2) | DK3359214T3 (ja) |
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HK (1) | HK1251499A1 (ja) |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2021094413A (ja) * | 2015-10-09 | 2021-06-24 | エーツェーペー エントヴィッケルングゲゼルシャフト エムベーハー | 血液ポンプ |
JP7206306B2 (ja) | 2015-10-09 | 2023-01-17 | エーツェーペー エントヴィッケルングゲゼルシャフト エムベーハー | 血液ポンプ |
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DK3359214T3 (da) | 2020-03-09 |
EP3359214B1 (de) | 2019-12-04 |
JP2021094413A (ja) | 2021-06-24 |
US11826501B2 (en) | 2023-11-28 |
US20190060539A1 (en) | 2019-02-28 |
EP4316568A3 (de) | 2024-05-29 |
JP7206306B2 (ja) | 2023-01-17 |
CN108136090A (zh) | 2018-06-08 |
US20220184373A1 (en) | 2022-06-16 |
HK1251499A1 (zh) | 2019-02-01 |
ES2775181T3 (es) | 2020-07-24 |
EP3628344A1 (de) | 2020-04-01 |
JP2023033367A (ja) | 2023-03-10 |
ES2976458T3 (es) | 2024-08-01 |
KR20240005172A (ko) | 2024-01-11 |
WO2017060254A1 (de) | 2017-04-13 |
CA3000579A1 (en) | 2017-04-13 |
KR102618774B1 (ko) | 2023-12-27 |
CN108136090B (zh) | 2021-09-03 |
JP2018536447A (ja) | 2018-12-13 |
US20240149050A1 (en) | 2024-05-09 |
EP4316568A2 (de) | 2024-02-07 |
US11219755B2 (en) | 2022-01-11 |
KR20180066900A (ko) | 2018-06-19 |
EP3153191A1 (de) | 2017-04-12 |
EP3359214A1 (de) | 2018-08-15 |
CN113633886A (zh) | 2021-11-12 |
EP3628344B1 (de) | 2024-01-31 |
DK3628344T3 (da) | 2024-03-25 |
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