JP5969979B2 - 回転駆動装置およびそれを用いた遠心式ポンプ装置 - Google Patents
回転駆動装置およびそれを用いた遠心式ポンプ装置 Download PDFInfo
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- JP5969979B2 JP5969979B2 JP2013507344A JP2013507344A JP5969979B2 JP 5969979 B2 JP5969979 B2 JP 5969979B2 JP 2013507344 A JP2013507344 A JP 2013507344A JP 2013507344 A JP2013507344 A JP 2013507344A JP 5969979 B2 JP5969979 B2 JP 5969979B2
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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
- 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
- F04D13/0666—Units comprising pumps and their driving means the pump being electrically driven the motor being of the plane gap type
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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
- 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
- F04D13/0693—Details or arrangements of the wiring
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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
- A61M60/10—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
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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
- A61M60/196—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body replacing the entire heart, e.g. total artificial hearts [TAH]
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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
- A61M60/20—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
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- 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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- 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
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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
- A61M60/804—Impellers
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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
- A61M60/818—Bearings
- A61M60/82—Magnetic bearings
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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
- A61M60/818—Bearings
- A61M60/824—Hydrodynamic or fluid film bearings
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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
- 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
- F04D13/0606—Canned motor pumps
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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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/026—Units comprising pumps and their driving means with a magnetic coupling
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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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
- F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
- F04D25/0633—Details of the magnetic circuit
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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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
- F04D29/048—Bearings magnetic; electromagnetic
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2793—Rotors axially facing stators
- H02K1/2795—Rotors axially facing stators the rotor consisting of two or more circumferentially positioned magnets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K19/00—Synchronous motors or generators
- H02K19/02—Synchronous motors
- H02K19/10—Synchronous motors for multi-phase current
- H02K19/103—Motors having windings on the stator and a variable reluctance soft-iron rotor without windings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
- H02K21/16—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/52—Fastening salient pole windings or connections thereto
- H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
- H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
- H02K49/108—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with an axial air gap
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/128—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/128—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs
- H02K5/1282—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs the partition wall in the air-gap being non cylindrical
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
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- 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
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- 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
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
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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
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
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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
- A61M60/148—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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- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
- H02K2203/03—Machines characterised by the wiring boards, i.e. printed circuit boards or similar structures for connecting the winding terminations
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Description
この発明の実施の形態1による遠心式血液ポンプ装置のポンプ部1は、図1〜図7に示すように、非磁性材料で形成されたハウジング2を備える。ハウジング2は、円柱状の本体部3と、本体部3の一方の端面の中央に立設された円筒状の血液流入ポート4と、本体部3の外周面に設けられた円筒状の血液流出ポート5とを含む。血液流出ポート5は、本体部3の外周面の接線方向に延在している。
図33は、この発明の実施の形態2による遠心式血液ポンプ装置の要部を示す断面図であって、図4と対比される図である。図33において、この遠心式血液ポンプ装置が実施の形態1と異なる点は、複数の永久磁石17の間に隙間が設けられている点である。
図37(a)は、この発明の実施の形態3によるアキシアルギャップ型モータのロータ61を隔壁60側から見た下面図であり、図37(b)はアキシアルギャップ型モータの要部を正面から見た断面図である。
図40は、この発明の実施の形態4によるラジアルギャップ型モータの要部を示す平面図である。図40において、このラジアルギャップ型モータは、図37(a)(b)のアキシアルギャップ型モータと同様の構成であり、円筒形の隔壁80で仕切られた第1および第2の室(図示せず)を備える。隔壁80の内側の第1の室内には、隔壁80に沿って回転可能に設けられた円筒状のロータ81が設けられ、隔壁80の外側の第2の室内には、隔壁80を介してロータ81を回転駆動させるステータ90が設けられている。
Claims (26)
- 回転可能に設けられたロータと、
前記ロータを回転駆動させる駆動部とを備え、
前記駆動部は、
前記ロータに対向して設けられた複数の第1の磁性体と、
それぞれ前記複数の第1の磁性体に巻回され、回転磁界を生成するための複数のコイルと、
外部から駆動電圧を受けるコネクタと、
前記複数のコイルおよび前記コネクタに接続されたフレキシブル基板とを含み、
前記フレキシブル基板には、外部から前記コネクタを介して与えられた前記駆動電圧を前記複数のコイルに供給するための配線パターンが形成されており、
前記フレキシブル基板は帯状に形成されたものであり、
前記フレキシブル基板の少なくとも一部は、前記複数のコイルの外周を囲むように配置されており、
前記フレキシブル基板には、前記複数のコイルを接続するための複数の電極が形成されている、回転駆動装置。 - 前記ロータには、複数の第1の永久磁石が設けられ、
各第1の永久磁石は、前記ロータの回転方向と直交する方向に着磁され、
前記複数の第1の永久磁石のうちの隣接するもの同士の磁極は互いに反対であり、
前記複数の第1の磁性体は、前記複数の第1の永久磁石に対向して配置されている、請求項1に記載の回転駆動装置。 - 前記ロータには、さらに、複数の第2の永久磁石が設けられ、
前記複数の第2の永久磁石は、それぞれ前記複数の第1の永久磁石の複数の間に挿入され、
各第2の永久磁石は前記ロータの回転方向に着磁され、
各第2の永久磁石の第1の端部にある第1の磁極は、隣接する2つの第1の永久磁石のうちの前記ロータ側に第1の磁極が向けられた第1の永久磁石側に向けられ、
各第2の永久磁石の第2の端部にある第2の磁極は、隣接する2つの第1の永久磁石のうちの前記ロータ側に第2の磁極が向けられた第1の永久磁石側に向けられている、請求項2に記載の回転駆動装置。 - 前記ロータと前記駆動部とは、前記ロータの回転中心軸の延在方向に隙間を開けて配置され、
前記複数の第1の磁性体は前記ロータの回転方向に配列されている、請求項1に記載の回転駆動装置。 - 前記フレキシブル基板の少なくとも一部は、前記複数のコイルの外周を囲むように円筒状に配置されて、前記フレキシブル基板の内周面と前記複数のコイルの外周面との間に複数の空隙が形成され、
前記複数の電極は、前記複数の空隙に位置するように前記フレキシブル基板に分散配置されている、請求項1に記載の回転駆動装置。 - 帯状の前記フレキシブル基板の幅方向の一方側または両側には複数の折り曲げ部が形成され、
前記複数の折り曲げ部は、前記複数の空隙に位置するように前記フレキシブル基板の長さ方向に分散配置され、各折り曲げ部は対応の空隙内に折り曲げられ、
前記複数の電極は前記複数の折り曲げ部に形成されている、請求項5に記載の回転駆動装置。 - 前記複数の電極は、前記フレキシブル基板の長さ方向に配列され、
各電極は、前記フレキシブル基板の幅方向の略中央部に設けられている、請求項1に記載の回転駆動装置。 - 前記フレキシブル基板の少なくとも一部は、前記複数のコイルの外周に沿うように波状に配置されて、前記フレキシブル基板の外周に複数の凹部が形成され、
帯状の前記フレキシブル基板の幅方向の一方側または両側には複数の折り曲げ部が形成され、
前記複数の折り曲げ部は、前記複数の凹部に位置するように前記フレキシブル基板の長さ方向に分散配置され、各折り曲げ部は対応の凹部内に折り曲げられ、
前記複数の電極は前記複数の折り曲げ部に分散配置されている、請求項1に記載の回転駆動装置。 - 前記フレキシブル基板の少なくとも一部は、前記複数のコイルの外周に沿うように波状に配置されて、前記フレキシブル基板の外周に複数の凹部が形成され、
前記複数の電極は、前記複数の凹部に位置するように前記フレキシブル基板の長さ方向に分散配置されている、請求項1に記載の回転駆動装置。 - 前記フレキシブル基板の長さは、前記駆動部の外周の長さの1.25倍以上である、請求項1に記載の回転駆動装置。
- 前記駆動部は、さらに、前記複数の第1の磁性体を介して前記ロータに対向して設けられ、前記複数の第1の磁性体と結合された円板状の第2の磁性体を含み、
前記複数のコイルは前記第2の磁性体の外周に沿って前記第2の磁性体の表面に配置されている、請求項1に記載の回転駆動装置。 - 前記ロータと前記駆動部とは、前記ロータの径方向に隙間を開けて配置され、
前記複数の第1の磁性体は前記ロータの回転方向に配列されている、請求項1に記載の回転駆動装置。 - 前記フレキシブル基板は帯状に形成され、
前記フレキシブル基板の少なくとも一部は、前記複数のコイルに沿って環状に配置され、
前記フレキシブル基板には、前記複数のコイルを接続するための複数の電極が形成されている、請求項12に記載の回転駆動装置。 - 前記駆動部は、さらに、前記複数の第1の磁性体を介して前記ロータに対向して設けられ、前記複数の第1の磁性体と結合された円筒状の第2の磁性体を含む、請求項12に記載の回転駆動装置。
- 隔壁で仕切られた第1および第2の室を含むハウジングを備え、
前記ロータは前記第1の室内において前記隔壁に沿って回転可能に設けられ、
前記駆動部は前記第2の室内に設けられ、前記隔壁を介して前記ロータを回転駆動させる、請求項1に記載の回転駆動装置。 - 請求項15に記載の回転駆動装置を備え、
前記ロータは、回転時の遠心力によって液体を送るインペラである、遠心式ポンプ装置。 - 隔壁で仕切られた第1および第2の室を含むハウジングと、前記第1の室内において前記隔壁に沿って回転可能に設けられ、回転時の遠心力によって液体を送るインペラと、前記第2の室内に設けられ、前記隔壁を介して前記インペラを回転駆動させる駆動部とを備えた遠心式ポンプ装置であって、
前記インペラに設けられ、前記駆動部によって吸引される複数の第1の永久磁石を備え、
前記駆動部は、
前記複数の第1の永久磁石に対向して配置された複数の磁性体と、
それぞれ前記複数の磁性体に対応して設けられて各々が対応の磁性体に巻回され、回転磁界を生成するための複数のコイルと、
前記ハウジングに固定され、外部から駆動電圧を受けるコネクタと、
前記複数のコイルおよび前記コネクタに接続されたフレキシブル基板とを含み、
前記フレキシブル基板は帯状に形成されたものであり、
前記フレキシブル基板の少なくとも一部は、前記複数のコイルの外周を囲むように配置されており、
前記フレキシブル基板には、前記複数のコイルを接続するための複数の電極が形成されている、遠心式ポンプ装置。 - 前記液体は血液であり、
前記遠心式ポンプ装置は、前記血液を循環させるために使用される、請求項17に記載の遠心式ポンプ装置。 - 前記インペラの一方面に設けられた第2の永久磁石と、
前記インペラの一方面に対向する前記第1の室の内壁に設けられ、前記第2の永久磁石を吸引する第3の永久磁石と、
前記インペラの回転中において、前記第2および第3の永久磁石間の第1の吸引力と前記複数の第1の永久磁石および前記複数の磁性体間の第2の吸引力とは、前記第1の室内における前記インペラの可動範囲の略中央で釣り合う、請求項17に記載の遠心式ポンプ装置。 - 前記インペラの一方面またはそれに対向する前記第1の室の内壁に第1の動圧溝が形成され、前記インペラの他方面またはそれに対向する前記隔壁に第2の動圧溝が形成されている、請求項17に記載の遠心式ポンプ装置。
- 前記フレキシブル基板の少なくとも一部は、前記複数のコイルの外周を囲むように円筒状に配置されて、前記フレキシブル基板の内周面と前記複数のコイルの外周面との間に複数の空隙が形成され、
前記複数の電極は、前記複数の空隙に位置するように前記フレキシブル基板に分散配置されている、請求項17に記載の遠心式ポンプ装置。 - 帯状の前記フレキシブル基板の幅方向の一方側または両側には複数の折り曲げ部が形成され、
前記複数の折り曲げ部は、前記複数の空隙に位置するように前記フレキシブル基板の長さ方向に分散配置され、各折り曲げ部は対応の空隙内に折り曲げられ、
前記複数の電極は前記複数の折り曲げ部に形成されている、請求項21に記載の遠心式ポンプ装置。 - 前記複数の電極は、前記フレキシブル基板の長さ方向に配列され、
各電極は、前記フレキシブル基板の幅方向の略中央部に設けられている、請求項17に記載の遠心式ポンプ装置。 - 前記フレキシブル基板の少なくとも一部は、前記複数のコイルの外周に沿うように波状に配置されて、前記フレキシブル基板の外周に複数の凹部が形成され、
帯状の前記フレキシブル基板の幅方向の一方側または両側には複数の折り曲げ部が形成され、
前記複数の折り曲げ部は、前記複数の凹部に位置するように前記フレキシブル基板の長さ方向に分散配置され、各折り曲げ部は対応の凹部内に折り曲げられ、
前記複数の電極は前記複数の折り曲げ部に分散配置されている、請求項17に記載の遠心式ポンプ装置。 - 前記フレキシブル基板の少なくとも一部は、前記複数のコイルの外周に沿うように波状に配置されて、前記フレキシブル基板の外周に複数の凹部が形成され、
前記複数の電極は、前記複数の凹部に位置するように前記フレキシブル基板の長さ方向に分散配置されている、請求項17に記載の遠心式ポンプ装置。 - 前記フレキシブル基板の長さは、前記駆動部の外周の長さの1.25倍以上である、請求項17に記載の遠心式ポンプ装置。
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Also Published As
| Publication number | Publication date |
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| EP2693609A4 (en) | 2016-03-09 |
| US9850906B2 (en) | 2017-12-26 |
| EP2693609A1 (en) | 2014-02-05 |
| EP2693609B1 (en) | 2017-05-03 |
| US20140030122A1 (en) | 2014-01-30 |
| WO2012132850A1 (ja) | 2012-10-04 |
| JPWO2012132850A1 (ja) | 2014-07-28 |
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