EP0897477A4 - Elektromagnetisch gelagerte und angetriebene kreiselpumpe sowie entsprechendes verfahren - Google Patents

Elektromagnetisch gelagerte und angetriebene kreiselpumpe sowie entsprechendes verfahren

Info

Publication number
EP0897477A4
EP0897477A4 EP97923548A EP97923548A EP0897477A4 EP 0897477 A4 EP0897477 A4 EP 0897477A4 EP 97923548 A EP97923548 A EP 97923548A EP 97923548 A EP97923548 A EP 97923548A EP 0897477 A4 EP0897477 A4 EP 0897477A4
Authority
EP
European Patent Office
Prior art keywords
pump
fluid
centrifugal force
corresponding method
rotary pump
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.)
Withdrawn
Application number
EP97923548A
Other languages
English (en)
French (fr)
Other versions
EP0897477A1 (de
Inventor
Pratap S Khanwilkar
Paul E Allaire
Gill Brent Bearnson
Don B Olsen
Eric H Maslen
James W Long
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
UVA Licensing and Ventures Group
Medquest Products Inc
University of Utah Research Foundation Inc
Original Assignee
University of Utah
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by University of Utah filed Critical University of Utah
Publication of EP0897477A1 publication Critical patent/EP0897477A1/de
Publication of EP0897477A4 publication Critical patent/EP0897477A4/de
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • 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
    • 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
    • A61M60/40—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
    • 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
    • A61M60/50—Details relating to control
    • A61M60/508—Electronic control means, e.g. for feedback regulation
    • A61M60/562—Electronic control means, e.g. for feedback regulation for making blood flow pulsatile in blood pumps that do not intrinsically create pulsatile flow
    • 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
    • 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
    • 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
    • F16C32/0444—Details of devices to control the actuation of the electromagnets
    • F16C32/0446—Determination of the actual position of the moving member, e.g. details of sensors
    • F16C32/0448—Determination of the actual position of the moving member, e.g. details of sensors by using the electromagnet itself as sensor, e.g. sensorless 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
    • 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
    • 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
    • A61M60/80—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/50—Bearings
    • F05B2240/51—Bearings magnetic
    • F05B2240/515—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
    • 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)
  • Animal Behavior & Ethology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Cardiology (AREA)
  • Veterinary Medicine (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • External Artificial Organs (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Centrifugal Separators (AREA)
EP97923548A 1996-05-03 1997-05-05 Elektromagnetisch gelagerte und angetriebene kreiselpumpe sowie entsprechendes verfahren Withdrawn EP0897477A4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US1685796P 1996-05-03 1996-05-03
US16857P 1996-05-03
PCT/US1997/007567 WO1997042414A1 (en) 1996-05-03 1997-05-05 Electromagnetically suspended and rotated centrifugal pumping apparatus and method

Publications (2)

Publication Number Publication Date
EP0897477A1 EP0897477A1 (de) 1999-02-24
EP0897477A4 true EP0897477A4 (de) 2001-05-16

Family

ID=21779369

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97923548A Withdrawn EP0897477A4 (de) 1996-05-03 1997-05-05 Elektromagnetisch gelagerte und angetriebene kreiselpumpe sowie entsprechendes verfahren

Country Status (8)

Country Link
EP (1) EP0897477A4 (de)
JP (1) JP2000510929A (de)
KR (1) KR20000010736A (de)
CN (1) CN1228140A (de)
AU (1) AU722998B2 (de)
BR (1) BR9709305A (de)
CA (1) CA2253666A1 (de)
WO (1) WO1997042414A1 (de)

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US5928131A (en) 1997-11-26 1999-07-27 Vascor, Inc. Magnetically suspended fluid pump and control system
US6293901B1 (en) 1997-11-26 2001-09-25 Vascor, Inc. Magnetically suspended fluid pump and control system
CN1109817C (zh) * 1998-01-27 2003-05-28 流体动力环有限公司 设备、尤其是电力设备、尤其是用于液流和气流的换能器
JP3689567B2 (ja) * 1998-09-29 2005-08-31 京セラ株式会社 遠心型血液ポンプ
SE9804317D0 (sv) * 1998-12-15 1998-12-15 Gunnar Bjoerk Pulspump
EP1013294B1 (de) * 1998-12-16 2007-04-18 Levitronix LLC Diagonalflusspumpe
CN1181274C (zh) * 2002-06-06 2004-12-22 陈昌奎 液体式动力传输机构
WO2008027597A2 (en) * 2006-08-31 2008-03-06 Smartin Technologies, Llc Implantable fluid pump
EP2536465B1 (de) 2010-02-17 2018-05-30 Flow Forward Medical, Inc. System zur erhöhung des gesamtdurchmessers von venen
US9555174B2 (en) 2010-02-17 2017-01-31 Flow Forward Medical, Inc. Blood pump systems and methods
US9662431B2 (en) 2010-02-17 2017-05-30 Flow Forward Medical, Inc. Blood pump systems and methods
EP3248628B1 (de) * 2010-08-20 2019-01-02 Tc1 Llc Implantierbare blutpumpe
EP2549113B1 (de) * 2011-07-20 2018-10-24 Levitronix GmbH Magnetischer Rotor sowie Rotationspumpe mit einem magnetischen Rotor
AU2012296563B2 (en) 2011-08-17 2017-05-04 Artio Medical, Inc. System and method to increase the overall diameter of veins and arteries
JP6190807B2 (ja) * 2011-08-17 2017-08-30 フロー フォワード メディカル，インク． 血液ポンプシステムと方法
US10258730B2 (en) 2012-08-17 2019-04-16 Flow Forward Medical, Inc. Blood pump systems and methods
EP2865397A1 (de) 2013-10-22 2015-04-29 Berlin Heart GmbH Verfahren zum Betrieb einer Pumpeneinrichtung sowie Pumpeneinrichtung
CN104307063B (zh) * 2014-10-17 2017-01-18 山东科技大学 一种磁阻悬浮离心式装置
WO2017087728A1 (en) 2015-11-20 2017-05-26 Tc1 Llc Improved connectors and cables for use with ventricle assist systems
WO2017120453A1 (en) 2016-01-06 2017-07-13 Bivacor Inc. Heart pump with impeller axial position control
CN109789289A (zh) 2016-04-29 2019-05-21 前进医药公司 管道尖端及使用系统和方法
CN105909563A (zh) * 2016-07-12 2016-08-31 合肥新沪屏蔽泵有限公司 一种屏蔽泵的泵体
CN106860929B (zh) * 2017-01-16 2019-02-01 哈尔滨理工大学 一种用于磁液耦合悬浮式叶轮位移测量的血泵
AU2018250273B2 (en) 2017-04-05 2023-06-08 Bivacor Inc. Heart pump drive and bearing
CN107100855B (zh) * 2017-06-05 2019-02-05 兰州理工大学 一种固液两相流泵
CN107715203A (zh) * 2017-09-18 2018-02-23 上海交通大学医学院附属上海儿童医学中心 一种单支点磁动力驱动式离心泵
CN108194374B (zh) * 2017-12-29 2020-02-07 李少龙 一种磁悬浮内流式转子管道泵
US10973967B2 (en) 2018-01-10 2021-04-13 Tc1 Llc Bearingless implantable blood pump
CN110711267A (zh) * 2018-07-13 2020-01-21 西安市第三医院 胸腹腔积液肿瘤去除及引流装置
EP3795836B1 (de) * 2019-09-18 2024-11-27 Levitronix GmbH Zentrifugalpumpe
CN110947040A (zh) * 2019-12-18 2020-04-03 山东大学 一种体外循环血泵及方法
CN112121249B (zh) * 2020-10-21 2022-07-01 山东大学 一种体外离心式磁悬浮人工心脏泵及使用方法
WO2022109424A1 (en) * 2020-11-23 2022-05-27 8B Medical Llc System and method for data collection, research, and proactive medical treatment
EP4008909A1 (de) * 2020-12-01 2022-06-08 Micronel AG Strömungsmaschine
CN113771303B (zh) * 2021-11-10 2022-02-08 东营品航精密模具有限公司 一种全自动叶轮模具
CN114152404B (zh) * 2022-02-08 2022-09-06 中国空气动力研究与发展中心超高速空气动力研究所 一种基于气浮轴承的高精度俯仰力矩测量装置
CN118836150A (zh) * 2024-07-10 2024-10-25 温州金吉汽摩配科技有限公司 一种自动补偿机液泵

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Title
No further relevant documents disclosed *

Also Published As

Publication number Publication date
AU2932497A (en) 1997-11-26
CA2253666A1 (en) 1997-11-13
JP2000510929A (ja) 2000-08-22
WO1997042414A1 (en) 1997-11-13
BR9709305A (pt) 1999-08-10
AU722998B2 (en) 2000-08-17
KR20000010736A (ko) 2000-02-25
EP0897477A1 (de) 1999-02-24
CN1228140A (zh) 1999-09-08

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