JP2000502420A - ロータリー・ポンプ及びその駆動方法 - Google Patents
ロータリー・ポンプ及びその駆動方法Info
- Publication number
- JP2000502420A JP2000502420A JP10513093A JP51309398A JP2000502420A JP 2000502420 A JP2000502420 A JP 2000502420A JP 10513093 A JP10513093 A JP 10513093A JP 51309398 A JP51309398 A JP 51309398A JP 2000502420 A JP2000502420 A JP 2000502420A
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- pump
- stator
- rotary pump
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 12
- 238000004804 winding Methods 0.000 claims abstract description 83
- 238000007667 floating Methods 0.000 claims abstract description 3
- 239000012530 fluid Substances 0.000 claims description 42
- 239000008280 blood Substances 0.000 claims description 11
- 210000004369 blood Anatomy 0.000 claims description 11
- 239000003302 ferromagnetic material Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000560 biocompatible material Substances 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 230000033764 rhythmic process Effects 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims 2
- 230000036772 blood pressure Effects 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 230000005291 magnetic effect Effects 0.000 description 38
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 22
- 230000004907 flux Effects 0.000 description 14
- 229910052742 iron Inorganic materials 0.000 description 11
- 238000005086 pumping Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000000087 stabilizing effect Effects 0.000 description 5
- 230000005294 ferromagnetic effect Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 108091007416 X-inactive specific transcript Proteins 0.000 description 2
- 108091035715 XIST (gene) Proteins 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 241000252233 Cyprinus carpio Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
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
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/104—Extracorporeal pumps, i.e. the blood being pumped outside 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
- A61M60/10—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
- A61M60/226—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 radial components
- A61M60/232—Centrifugal 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
- 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
- A61M60/50—Details relating to control
- A61M60/508—Electronic control means, e.g. for feedback regulation
- A61M60/538—Regulation using real-time blood pump operational parameter data, e.g. motor current
-
- 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
- A61M60/804—Impellers
- A61M60/806—Vanes or blades
-
- 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
- A61M60/822—Magnetic bearings specially adapted for being actively controlled
-
- 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
- A61M60/845—Constructional details other than related to driving of extracorporeal blood pumps
- A61M60/849—Disposable parts
-
- 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
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0406—Magnetic bearings
- F16C32/044—Active magnetic bearings
- F16C32/0474—Active magnetic bearings for rotary movement
- F16C32/0493—Active magnetic bearings for rotary movement integrated in an electrodynamic machine, e.g. self-bearing motor
- F16C32/0497—Active magnetic bearings for rotary movement integrated in an electrodynamic machine, e.g. self-bearing motor generating torque and radial force
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/09—Structural association with bearings with 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
- A61M60/10—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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2316/00—Apparatus in health or amusement
- F16C2316/10—Apparatus in health or amusement in medical appliances, e.g. in diagnosis, dentistry, instruments, prostheses, medical imaging appliances
- F16C2316/18—Pumps for pumping blood
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/44—Centrifugal pumps
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Mechanical Engineering (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Cardiology (AREA)
- General Health & Medical Sciences (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Fluid Mechanics (AREA)
- Electromagnetism (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- External Artificial Organs (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.ハウジング(9)と、前記ハウジング(9)の内側に配置された複数のブレ ード(1b)を有する回転子(2)とを含むロータリー・ポンプ(3)であって 、前記回転子(2)は磁気的に有効な受動回転子部(1)を有し、前記ハウジン グ(9)は固定子(7)によって取り囲まれ、同固定子(7)は複数の電気巻線 (8a,8b,8c,8d,8e,8f,8g,8h)及び複数の歯(7a,7 b,7c,7d,7e,7f,7g,7h)を有し、前記固定子(7)及び回転 子部(1)はベアリングレス・モータを形成し、前記回転子部(1)は前記複数 の電気巻線(8a,8b,8c,8d,8e,8f,8g,8h)によって3自 由度での能動的な制御及び駆動が可能であって、さらに回転子(2)を駆動可能 な無接触の浮動状態でハウジング(9)内に配置するために、受動的に作用する 磁気抵抗力によって回転子部(1)を非能動的制御可能な別の3自由度で固定子 (7)内に保持可能にすべく、前記回転子部(1)及び固定子(7)の複数の歯 (7a,7b,7c,7d,7e,7f,7g,7h)は互いに幾何学的に適合 する形状を有し、かつ配置されているロータリー・ポンプ。 2.前記回転子部(1)は回転軸(A)を有し、前記回転子部(1)及び複数の 歯(7a,7b,7c,7d,7e,7f,7g,7h)は前記軸線方向(A) に沿って高さ(HR)及び高さ(HS)をそれぞれ有し、回転子部(1)の高さ (HR)は複数の歯(7a,7b,7c,7d,7e,7f,7g,7h)の高 さ(HS)に等しいかまたはほぼ等しく、回転子部(1)の直径(DR)は同回 転子部(1)の高さ(HR)の少なくとも2倍の大きさを有する請求項1に記載 のロータリー・ポンプ。 3.前記回転子部(1)は円盤体または環状体として形成されている請求項1ま たは2に記載のロータリー・ポンプ。 4.前記回転子部(1)は星形体として形成されている請求項1乃至3のいずれ か一項に記載のロータリー・ポンプ。 5.前記回転子部(1)は永久磁石からなるか、または永久磁石を含む請求項1 乃至4のいずれか一項に記載のロータリー・ポンプ。 6.前記回転子部(1)は短絡巻線またはケージ型回転子を含む請求項1乃至5 のいずれか一項に記載のロータリー・ポンプ。 7.前記回転子部(1)は回転子ジャケット(1a)によって取り囲まれ、前記 回転子ジャケット(1a)は非強磁性体材料、特に、プラスチック、金属、セラ ミックまたは生体適合材料からなる請求項1乃至6のいずれか一項に記載のロー タリー・ポンプ。 8.リラクタンス・モータ、シンクロナス・モータまたはインダクション・モー タの機能原理に基づいてベアリングレス・モータ(4)の回転子部(1)を駆動 するために、制御装置(40)による前記複数の電気巻線(8a,8b,8c, 8d,8e,8f,8g,8h)の制御を可能とするように、回転子部(1)及 び固定子(7)は相対的に形成されている請求項1乃至7のいずれか一項に記載 のロータリー・ポンプ。 9.前記固定子(7)は極対数pの駆動巻線(WA)と、極対数p+1またはp −1の制御巻線(WS)とを有する請求項8に記載のロータリー・ポンプ。 10.軸線方向(A)に沿って前記回転子(2)の少なくとも一方の側面に続い て設けられた緊急ベアリング位置(9b)を有する請求項1乃至9のいずれか一 項に記載のロータリー・ポンプ。 11.少なくとも軸線方向(A)に作用する流体力学的ベアリングを形成するよ うに、回転子(2)と、ハウジング(9)の内壁の一部とを相対的に形成した請 求項1乃至11のいずれか一項に記載のロータリー・ポンプ。 12.前記回転子(2)はステップ・ベアリングを形成するための少なくとも1 つの螺旋溝をハウジング(9)へ配向されたその表面上に有する請求項1乃至1 1のいずれか一項に記載のロータリー・ポンプ。 13.前記ロータリー・ポンプ(3)は軸流ポンプ(3a)として形成され、前 記回転子部(1)は凹部をその回転中心に有し、軸流型インペラー(2a)とし て形成された回転子(2)の複数のブレード(1b)を前記凹部内に配置した請 求項1乃至12のいずれか一項に記載のロータリー・ポンプ。 14.前記複数のブレード(1b)は軸線方向(A)に沿って回転子ジャケット (1a)を超えて延出している請求項13に記載のロータリー・ポンプ。 15.前記ロータリー・ポンプ(3)は軸流ポンプ(3a)として形成され、前 記回転子(2)は回転子部(1)のみによって構成され、前記回転子部(1)は 軸流型インペラー(2a)の複数のブレード(1b)をさらに形成している請求 項1乃至12のいずれか一項に記載のロータリー・ポンプ。 16.前記ロータリー・ポンプ(3)は遠心ポンプ(3b)として形成され、前 記回転子(2)は遠心インペラー(2b)として形成され、かつ軸線方向(A) に沿って延出する複数のブレード(1b)をその少なくとも一方の側面に有する 請求項1乃至12のいずれか一項に記載のロータリー・ポンプ。 17.実質的に軸線方向(A)に沿って作用する力をポンプ駆動中に遠心インペ ラー(2b)上に形成すべく、前記ハウジング(9)の内壁及び遠心インペラー (2b)の少なくともいずれか一方はフローに作用する部分素子(100a,1 00b,104,105,103f,11,1k)を有する請求項16に記載の ロータリー・ポンプ。 18.内部遠心インペラー(2b)を備えたハウジング(9)は固定子(7)内 へ少なくとも部分的に挿入可能であって、かつ再び取外し得る請求項16または 17に記載のロータリー・ポンプ。 19.前記回転子部(1)は少なくとも1つの環状永久磁石(80b,80c) を有し、前記ロータリー・ポンプ(3)は固定された少なくとも1つの別の永久 磁石(80a,80d)を有し、前記複数の永久磁石(80a,80b,80c ,80d)は回転子部(1)に作用する反発力を形成すべく互いに配置され、か つ分極されている請求項1乃至18のいずれか一項に記載のロータリー・ポンプ 。 20.請求項1乃至12または16乃至19のいずれか一項に記載の遠心ポンプ (3b)のための遠心ポンプ部(99)であって、回転可能にハウジング(9) 内に配置された遠心インペラー(2b)を有し、前記ハウジング(9)は液密及 び気密にシールされ、かつ少なくとも1つのポンプ入口開口(101)及び少な くとも1つのポンプ出口開口(102)を有し、前記遠心インペラー(2b)は 強磁性体または永久磁石である円盤または環からなる回転子部(1)を有する遠 心ポンプ部(99)。 21.人体の内側または外側に位置する血液ポンプであって、請求項1乃至20 のいずれか一項に記載のロータリー・ポンプ(3,3a,3b)を有する血液ポ ンプ。 22.請求項1乃至21のいずれか一項に記載のロータリー・ポンプ(3,3a ,3b)、特に血液ポンプの駆動方法であって、回転子(2)の位置をセンサ( 15)によって検出し、前記複数の電気巻線(8a,8b,8c,8d,8e, 8f,8g,8h)を制御装置(40)によって制御し、同制御は回転子(2) をその回転軸(A)の周りで能動的に駆動し、かつ同回転子(2)をハウジング (9)内において回転軸(A)に直交する平面に対して無接触で懸架するように 実施する方法。 23.前記回転子(2)を毎分回転数で駆動し、前記毎分回転数は予め設定可能 であって、かつ一定または経時変化可能であり、特に、同経時変化は流体を律動 で圧出すべく実施される請求項22に記載の方法。 24.値、特に血圧等の生物学的値をセンサ(15a)で検出し、予め設定可能 な毎分回転数または予め設定可能な毎分回転数曲線を使用することによって、ロ ータリー・ポンプ(3,3a,3b)の毎分回転数を前記検出された値に基づい て制御する請求項22または23に記載の方法。 25.前記ロータリー・ポンプ(3,3a,3b)を血液ポンプとして駆動し、 単位時間あたりに圧出する血液の体積は、予め設定可能な曲線、特に、心臓によ って単位時間あたりに自然に圧出される血液の体積を示す曲線に従う請求項22 乃至24のいずれか一項に記載の方法。
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CH9600310 | 1996-09-10 | ||
WO96/00310 | 1996-09-10 | ||
PCT/CH1996/000335 WO1998011650A1 (de) | 1996-09-10 | 1996-09-26 | Rotationspumpe und verfahren zum betrieb derselben |
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JP2000502420A true JP2000502420A (ja) | 2000-02-29 |
JP4390856B2 JP4390856B2 (ja) | 2009-12-24 |
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JP51309398A Expired - Lifetime JP4390856B2 (ja) | 1996-09-10 | 1996-09-26 | ロータリー・ポンプ及びその駆動方法 |
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US (1) | US6053705A (ja) |
EP (1) | EP0860046B1 (ja) |
JP (1) | JP4390856B2 (ja) |
CA (1) | CA2237203C (ja) |
WO (1) | WO1998011650A1 (ja) |
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Also Published As
Publication number | Publication date |
---|---|
WO1998011650A1 (de) | 1998-03-19 |
EP0860046B1 (de) | 2003-02-26 |
EP0860046A1 (de) | 1998-08-26 |
CA2237203A1 (en) | 1998-03-19 |
JP4390856B2 (ja) | 2009-12-24 |
US6053705A (en) | 2000-04-25 |
CA2237203C (en) | 2007-09-18 |
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