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BR9709305A - Process for electromagnetically suspended and rotated counter pumping equipment - Google Patents

Process for electromagnetically suspended and rotated counter pumping equipment

Info

Publication number
BR9709305A
BR9709305A BR9709305A BR9709305A BR9709305A BR 9709305 A BR9709305 A BR 9709305A BR 9709305 A BR9709305 A BR 9709305A BR 9709305 A BR9709305 A BR 9709305A BR 9709305 A BR9709305 A BR 9709305A
Authority
BR
Brazil
Prior art keywords
pumping equipment
rotated counter
electromagnetically suspended
counter pumping
electromagnetically
Prior art date
Application number
BR9709305A
Other languages
Portuguese (pt)
Inventor
Pratap S Khanwilkar
Paul E Allaire
Don B Olsen
Eric H Maslen
Jame W Long
Original Assignee
Univ 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 Univ Utah filed Critical Univ Utah
Publication of BR9709305A publication Critical patent/BR9709305A/en

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)
BR9709305A 1996-05-03 1997-05-05 Process for electromagnetically suspended and rotated counter pumping equipment BR9709305A (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
BR9709305A true BR9709305A (en) 1999-08-10

Family

ID=21779369

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9709305A BR9709305A (en) 1996-05-03 1997-05-05 Process for electromagnetically suspended and rotated counter pumping equipment

Country Status (8)

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

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
IL137473A0 (en) * 1998-01-27 2001-07-24 Hydroring B V Machine, in particular electrical machine, in particular energy converter for flowing fluids and gases
JP3689567B2 (en) * 1998-09-29 2005-08-31 京セラ株式会社 Centrifugal blood pump
SE9804317D0 (en) * 1998-12-15 1998-12-15 Gunnar Bjoerk pulse Pump
EP1013294B1 (en) * 1998-12-16 2007-04-18 Levitronix LLC Diagonal flux pump
CN1181274C (en) * 2002-06-06 2004-12-22 陈昌奎 Liquid-type power transmission mechanism
JP5518477B2 (en) * 2006-08-31 2014-06-11 スマーティン テクノロジーズ、エルエルシー Modular magnetomechanical device
WO2011103356A1 (en) 2010-02-17 2011-08-25 Novita Therapeutics, Llc System and method to increase the overall diameter of veins
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
JP5977237B2 (en) * 2010-08-20 2016-08-24 ソーラテック コーポレイション Implantable blood pump
EP2549113B1 (en) * 2011-07-20 2018-10-24 Levitronix GmbH Magnetic rotor and rotation pump with a magnetic rotor
CA2845086C (en) * 2011-08-17 2023-02-14 Novita Therapeutics, Llc Blood pump systems and methods
CN107242890B (en) 2011-08-17 2021-05-28 爱提奥医药股份有限公司 System and method for increasing the overall diameter of veins and arteries
US10258730B2 (en) 2012-08-17 2019-04-16 Flow Forward Medical, Inc. Blood pump systems and methods
EP2865397A1 (en) 2013-10-22 2015-04-29 Berlin Heart GmbH Method for operating a pump device and pump device
CN104307063B (en) * 2014-10-17 2017-01-18 山东科技大学 Magnetic resistance suspension centrifugal type device
EP3677226B1 (en) 2015-11-20 2021-12-22 Tc1 Llc Improved connectors and cables for use with ventricle assist systems
CN108778358B (en) 2016-01-06 2021-11-23 毕瓦克公司 Heart pump
BR112018072194A2 (en) 2016-04-29 2019-02-12 Flow Forward Medical, Inc. duct tips and systems and methods for use
CN105909563A (en) * 2016-07-12 2016-08-31 合肥新沪屏蔽泵有限公司 Pump body of shield pump
CN106860929B (en) * 2017-01-16 2019-02-01 哈尔滨理工大学 A kind of blood pump for magnetic liquid coupling suspension type impeller displacement measurement
WO2018187576A2 (en) 2017-04-05 2018-10-11 Bivacor Inc. Heart pump drive and bearing
CN107100855B (en) * 2017-06-05 2019-02-05 兰州理工大学 A solid-liquid two-phase flow pump
CN107715203A (en) * 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 A kind of single fulcrum magnetomotive drive-type centrifugal pump
CN108194374B (en) * 2017-12-29 2020-02-07 李少龙 Magnetic suspension internal flow type rotor pipeline pump
US10973967B2 (en) 2018-01-10 2021-04-13 Tc1 Llc Bearingless implantable blood pump
CN110711267A (en) * 2018-07-13 2020-01-21 西安市第三医院 Pleuroperitoneal cavity effusion tumor removing and drainage device
EP3795836B1 (en) * 2019-09-18 2024-11-27 Levitronix GmbH Centrifugal pump
CN110947040A (en) * 2019-12-18 2020-04-03 山东大学 Extracorporeal circulation blood pump and method
CN112121249B (en) * 2020-10-21 2022-07-01 山东大学 A kind of external centrifugal type magnetic levitation artificial heart pump and using method
US20220160991A1 (en) * 2020-11-23 2022-05-26 8B Medical Llc System and method for data collection, research, and proactive medical treatment
EP4008909A1 (en) * 2020-12-01 2022-06-08 Micronel AG Turbomachine
CN113771303B (en) * 2021-11-10 2022-02-08 东营品航精密模具有限公司 Full-automatic impeller mould
CN114152404B (en) * 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 High-precision pitching moment measuring device based on air bearing
CN118836150A (en) * 2024-07-10 2024-10-25 温州金吉汽摩配科技有限公司 Automatic compensation machine liquid pump

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4135253A (en) * 1976-11-30 1979-01-23 Medtronic, Inc. Centrifugal blood pump for cardiac assist
US4688998A (en) * 1981-03-18 1987-08-25 Olsen Don B Magnetically suspended and rotated impellor pump apparatus and method
JPH0722401B2 (en) * 1984-01-31 1995-03-08 ソニー株式会社 Video signal recording / reproducing device
US4589822A (en) * 1984-07-09 1986-05-20 Mici Limited Partnership Iv Centrifugal blood pump with impeller
US4880362A (en) * 1988-05-24 1989-11-14 Laing Karsten A Rotor with stabilizing magnets
US5017103A (en) * 1989-03-06 1991-05-21 St. Jude Medical, Inc. Centrifugal blood pump and magnetic coupling
JP3006865B2 (en) * 1990-10-11 2000-02-07 エヌティエヌ株式会社 Turbo pump
US5112202A (en) * 1990-01-31 1992-05-12 Ntn Corporation Turbo pump with magnetically supported impeller
US5195877A (en) * 1990-10-05 1993-03-23 Kletschka Harold D Fluid pump with magnetically levitated impeller
US5470208A (en) * 1990-10-05 1995-11-28 Kletschka; Harold D. Fluid pump with magnetically levitated impeller
US5507629A (en) * 1994-06-17 1996-04-16 Jarvik; Robert Artificial hearts with permanent magnet bearings

Also Published As

Publication number Publication date
CA2253666A1 (en) 1997-11-13
EP0897477A4 (en) 2001-05-16
EP0897477A1 (en) 1999-02-24
AU2932497A (en) 1997-11-26
JP2000510929A (en) 2000-08-22
AU722998B2 (en) 2000-08-17
WO1997042414A1 (en) 1997-11-13
KR20000010736A (en) 2000-02-25
CN1228140A (en) 1999-09-08

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Legal Events

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FA10 Dismissal: dismissal - article 33 of industrial property law