JP5282285B2 - らせん形状の羽根を有する軸流ポンプ - Google Patents
らせん形状の羽根を有する軸流ポンプ Download PDFInfo
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- JP5282285B2 JP5282285B2 JP2008518731A JP2008518731A JP5282285B2 JP 5282285 B2 JP5282285 B2 JP 5282285B2 JP 2008518731 A JP2008518731 A JP 2008518731A JP 2008518731 A JP2008518731 A JP 2008518731A JP 5282285 B2 JP5282285 B2 JP 5282285B2
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- axial flow
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- outflow
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- 239000000696 magnetic material Substances 0.000 claims description 8
- 210000004369 blood Anatomy 0.000 description 16
- 239000008280 blood Substances 0.000 description 16
- 238000004140 cleaning Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000601 blood cell Anatomy 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002861 ventricular Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/181—Axial flow rotors
-
- 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
-
- 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
-
- 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
- A61M60/80—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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0646—Units comprising pumps and their driving means the pump being electrically driven the hollow pump or motor shaft being the conduit for the working fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
- F04D29/048—Bearings magnetic; electromagnetic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D3/00—Axial-flow pumps
- F04D3/02—Axial-flow pumps of screw type
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Cardiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Anesthesiology (AREA)
- Veterinary Medicine (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- External Artificial Organs (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Description
Claims (12)
- 流入部(2)および流出部(3)を有するハウジング(1)と、前記ハウジングの内部に流路(6)が設けられ、かつ前記流路(6)内に少なくとも1つのらせん形状の輸送要素(7)が設けられる細長形状のロータ(5)と、電磁駆動装置(4、8)であって、前記ハウジング(1)にステータ(4)が装備され、かつ前記ロータまたはその一部分(8)が磁性材料で構成される前記ロータ(5)を駆動する電磁駆動装置(4、8)とを含む軸流ポンプにおいて、前記輸送要素(7)のピッチが、前記流出部(3)の方向に増大して軸方向に変化すると共に、前記輸送要素が、流出側の端部においてロータの中心まで拡大し、前記ロータ(5)の中心が、そのロータ長さの少なくとも一部において開放されることを特徴とする軸流ポンプ。
- ロータの流出部側に設けられ、前記流出部(3)に向かってその中心が閉鎖された付加的なポンプ段(25)であって、軸流型または半軸流型に作られ、ロータの中心にハブ(24)が設けられる第2ポンプ段を含む、請求項1に記載の軸流ポンプ。
- 流入部(2)および流出部(3)を有するハウジング(1)と、前記ハウジングの内部に流路(6)が設けられ、かつ前記流路(6)内に少なくとも1つのらせん形状の輸送要素(7)が設けられる細長形状のロータ(5)と、電磁駆動装置(4、8)であって、前記ハウジング(1)にステータ(4)が装備され、かつ前記ロータまたはその一部分(8)が磁性材料で構成される前記ロータ(5)を駆動する電磁駆動装置(4、8)とを含む軸流ポンプにおいて、ロータ(5)の中心が、そのロータ長さの少なくとも一部において解放され、前記輸送要素(7)のピッチが軸方向に変化し、ロータ(5)の中心方向への輸送要素(7)の拡大が、ロータ長さに沿って変化し、
ロータの流出部側に設けられ、前記流出部(3)に向かってその中心が閉鎖された付加的なポンプ段(25)であって、軸流型または半軸流型に作られ、ロータの中心にハブ(24)が設けられる第2ポンプ段を含む
ことを特徴とする軸流ポンプ。 - 前記輸送要素(7)が、1つ以上の羽根で構成され、ロータの中心軸を通る平面を切断面とする、前記輸送要素(7)の切断面において、前記輸送要素(7)のロータの中心軸側の先端部が、丸められた先端形状または尖った先端形状(7’)を有する、請求項1〜3のいずれか1項に記載の軸流ポンプ。
- 運転時、前記ハウジング(1)と前記ロータ(5)との間に、少なくとも0.3mm幅の間隙(16)が設けられる、請求項1〜4のいずれか1項に記載の軸流ポンプ。
- 前記ロータの外面に少なくとも1つの外部輸送要素(7a)が装着され、前記外部輸送要素(7a)は、1つ以上の羽根を含む、請求項1〜5のいずれか1項に記載の軸流ポンプ。
- 前記ロータの少なくとも一部分(8)が永久磁性材料または軟磁性材料を含む、請求項1〜6のいずれか1項に記載の軸流ポンプ。
- 前記電磁駆動装置(4、8)が同時に磁気軸受けとして作られる構成、および、軸方向にずらして配置される少なくとも2つの磁気軸受け(14.1、18.1および15.1、19.1)のうちの少なくとも一方が前記軸流ポンプに装備され、少なくとも1つの磁気軸受けが、前記ロータの流入側の端部領域および流出側の端部領域のうち、少なくとも一方に配置される、請求項1〜7のいずれか1項に記載の軸流ポンプ。
- 前記流入部領域、あるいは前記ハウジングおよび前記ロータ間、あるいは前記ハウジングの前記流出部領域に配置される少なくとも1つのガイド要素(11、11.1〜11.4、12、12.1〜12.4)を含む請求項1〜8のいずれか1項に記載の軸流ポンプであって、前記ハウジングの流入部領域および流出部領域のうち、少なくとも一方に配置される少なくとも2つの別個のガイド要素を有する軸流ポンプ。
- 保持要素に固定され、かつ流れ方向において前記ロータの前および後の少なくとも何れか一方に配置される、1つまたは2つのリング状のロータキャップ(13、17)を含む、請求項1〜9のいずれか1項に記載の軸流ポンプ。
- 前記軸流ポンプを流入カニューレおよび流出カニューレに接続するための継ぎ手部分(21、22)のうち、少なくとも一方が前記ハウジングに設けられる、請求項1〜10のいずれか1項に記載の軸流ポンプ。
- 運転時、前記ハウジング(1)と前記ロータ(5)との間に、0.6mm幅の間隙(16)が設けられる、請求項1〜4のいずれか1項に記載の軸流ポンプ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05405423A EP1738783A1 (de) | 2005-07-01 | 2005-07-01 | Axialpumpe mit spiralförmiger Schaufel |
EP05405423.4 | 2005-07-01 | ||
PCT/EP2006/006344 WO2007003351A1 (en) | 2005-07-01 | 2006-06-30 | An axial flow pump with a spiral-shaped vane |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008545083A JP2008545083A (ja) | 2008-12-11 |
JP5282285B2 true JP5282285B2 (ja) | 2013-09-04 |
Family
ID=35432373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008518731A Active JP5282285B2 (ja) | 2005-07-01 | 2006-06-30 | らせん形状の羽根を有する軸流ポンプ |
Country Status (7)
Country | Link |
---|---|
US (1) | US8366411B2 (ja) |
EP (2) | EP1738783A1 (ja) |
JP (1) | JP5282285B2 (ja) |
AU (1) | AU2006265388B2 (ja) |
CA (1) | CA2613707C (ja) |
ES (1) | ES2450046T3 (ja) |
WO (1) | WO2007003351A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5663124B1 (ja) * | 2013-12-21 | 2015-02-04 | 一穂 松本 | 容積可変軸流ネジポンプ、流体機関並びに熱機関 |
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-
2005
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2006
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JP5663124B1 (ja) * | 2013-12-21 | 2015-02-04 | 一穂 松本 | 容積可変軸流ネジポンプ、流体機関並びに熱機関 |
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US8366411B2 (en) | 2013-02-05 |
ES2450046T3 (es) | 2014-03-21 |
EP1907028A1 (en) | 2008-04-09 |
CA2613707C (en) | 2013-11-19 |
CA2613707A1 (en) | 2007-01-11 |
WO2007003351A1 (en) | 2007-01-11 |
EP1907028B1 (en) | 2013-12-04 |
AU2006265388B2 (en) | 2013-02-14 |
EP1738783A1 (de) | 2007-01-03 |
US20080292478A1 (en) | 2008-11-27 |
JP2008545083A (ja) | 2008-12-11 |
AU2006265388A1 (en) | 2007-01-11 |
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