DE60310778D1 - Zentrifugalpumpe mit Störungskorrektur - Google Patents

Zentrifugalpumpe mit Störungskorrektur

Info

Publication number
DE60310778D1
DE60310778D1 DE60310778T DE60310778T DE60310778D1 DE 60310778 D1 DE60310778 D1 DE 60310778D1 DE 60310778 T DE60310778 T DE 60310778T DE 60310778 T DE60310778 T DE 60310778T DE 60310778 D1 DE60310778 D1 DE 60310778D1
Authority
DE
Germany
Prior art keywords
impeller
monitoring function
electromagnet
current monitoring
function
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.)
Expired - Lifetime
Application number
DE60310778T
Other languages
English (en)
Other versions
DE60310778T2 (de
Inventor
Mitsutoshi Yaegashi
Takehiko Asada
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.)
Terumo Corp
Original Assignee
Terumo Corp
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 Terumo Corp filed Critical Terumo Corp
Publication of DE60310778D1 publication Critical patent/DE60310778D1/de
Application granted granted Critical
Publication of DE60310778T2 publication Critical patent/DE60310778T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • A61M60/104—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
    • A61M60/20—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
    • A61M60/50—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
    • A61M60/81—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
    • A61M60/81—Pump housings
    • A61M60/816—Sensors arranged on or in the housing, e.g. ultrasound flow sensors
    • 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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Mechanical Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Cardiology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • External Artificial Organs (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Centrifugal Separators (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
DE60310778T 2002-01-09 2003-01-07 Zentrifugalpumpe mit Störungskorrektur Expired - Lifetime DE60310778T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002002584 2002-01-09
JP2002002584A JP3996775B2 (ja) 2002-01-09 2002-01-09 遠心式液体ポンプ装置

Publications (2)

Publication Number Publication Date
DE60310778D1 true DE60310778D1 (de) 2007-02-15
DE60310778T2 DE60310778T2 (de) 2007-10-18

Family

ID=19190762

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60310778T Expired - Lifetime DE60310778T2 (de) 2002-01-09 2003-01-07 Zentrifugalpumpe mit Störungskorrektur

Country Status (5)

Country Link
US (1) US6840735B2 (de)
EP (1) EP1327455B1 (de)
JP (1) JP3996775B2 (de)
AT (1) ATE350080T1 (de)
DE (1) DE60310778T2 (de)

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US7470246B2 (en) 2002-12-17 2008-12-30 Terumo Kabushiki Kaisha Centrifugal blood pump apparatus
US7488448B2 (en) * 2004-03-01 2009-02-10 Indian Wells Medical, Inc. Method and apparatus for removal of gas bubbles from blood
JP4767488B2 (ja) * 2003-10-23 2011-09-07 Ｎｔｎ株式会社 磁気浮上型ポンプ
ATE456963T1 (de) 2004-03-24 2010-02-15 Terumo Corp Zentrifugalblutpumpe mit hydrodynamischer lagerung
TW200711557A (en) * 2005-09-02 2007-03-16 Sunonwealth Electr Mach Ind Co Heat dissipation device
US20070177995A1 (en) * 2006-02-01 2007-08-02 Yoshio Yano Pump device
US20070183908A1 (en) * 2006-02-06 2007-08-09 Yoshio Yano Contactless centrifugal pump
US20070224059A1 (en) * 2006-03-23 2007-09-27 Cheng-Tien Lai Miniature pump for liquid cooling system
JP4898319B2 (ja) 2006-06-23 2012-03-14 テルモ株式会社 血液ポンプ装置
US9044535B2 (en) * 2007-08-07 2015-06-02 Terumo Cardiovascular Systems Corp. Extracorporeal blood pump with disposable pump head portion having magnetically levitated impeller
JP5015985B2 (ja) * 2009-03-19 2012-09-05 テルモ株式会社 遠心式血液ポンプ装置
WO2011062633A1 (en) * 2009-11-19 2011-05-26 Resmed Motor Technologies, Inc. Blower
JP5577506B2 (ja) 2010-09-14 2014-08-27 ソーラテック コーポレイション 遠心式ポンプ装置
JP5969979B2 (ja) 2011-03-28 2016-08-17 ソーラテック コーポレイション 回転駆動装置およびそれを用いた遠心式ポンプ装置
US10260507B2 (en) * 2011-08-23 2019-04-16 Moog Inc. Magnetically coupled pump assembly
GB201218768D0 (en) * 2012-10-18 2012-12-05 Calon Cardio Technology Ltd Centrifugal pumps
US9371826B2 (en) 2013-01-24 2016-06-21 Thoratec Corporation Impeller position compensation using field oriented control
US9556873B2 (en) 2013-02-27 2017-01-31 Tc1 Llc Startup sequence for centrifugal pump with levitated impeller
CN110332138A (zh) * 2013-03-21 2019-10-15 北京奇宏科技研发中心有限公司 风扇轴承寿命的监控装置
US10052420B2 (en) 2013-04-30 2018-08-21 Tc1 Llc Heart beat identification and pump speed synchronization
DE102013017828B4 (de) * 2013-10-24 2015-05-13 Fresenius Medical Care Deutschland Gmbh Verfahren und Vorrichtung zur Überwachung einer in einem extrakorporalen Blutkreislauf oder einer in einem Dialysatkreislauf angeordneten Impellerpumpe und Blutbehandlungsvorrichtung
US9623161B2 (en) 2014-08-26 2017-04-18 Tc1 Llc Blood pump and method of suction detection
WO2016130846A1 (en) 2015-02-11 2016-08-18 Thoratec Corporation Heart beat identification and pump speed synchronization
WO2016130944A1 (en) 2015-02-12 2016-08-18 Thoratec Corporation System and method for controlling the position of a levitated rotor
US10371152B2 (en) 2015-02-12 2019-08-06 Tc1 Llc Alternating pump gaps
WO2016130989A1 (en) 2015-02-13 2016-08-18 Thoratec Corporation Impeller suspension mechanism for heart pump
CN106300722A (zh) * 2015-05-18 2017-01-04 德昌电机(深圳)有限公司 电机与电动泵
US10117983B2 (en) 2015-11-16 2018-11-06 Tc1 Llc Pressure/flow characteristic modification of a centrifugal pump in a ventricular assist device
US10208760B2 (en) * 2016-07-28 2019-02-19 General Electric Company Rotary machine including active magnetic bearing
CN106640688B (zh) * 2016-12-05 2019-04-16 中国石油集团川庆钻探工程有限公司工程技术研究院 一种外输泵机组在线监测故障的智能诊断系统和方法
WO2018226991A1 (en) 2017-06-07 2018-12-13 Shifamed Holdings, Llc Intravascular fluid movement devices, systems, and methods of use
CN107605760B (zh) * 2017-10-23 2019-08-27 中科睿联（福建）科技有限公司 一种电泵的控制方法
CN111556763B (zh) 2017-11-13 2023-09-01 施菲姆德控股有限责任公司 血管内流体运动装置、系统
EP4085965A1 (de) 2018-02-01 2022-11-09 Shifamed Holdings, LLC Intravaskuläre blutpumpen und verfahren zur verwendung und herstellung
CN108999788A (zh) * 2018-08-02 2018-12-14 徐雪兰 一种可变叶宽的离心泵
CN110115868B (zh) * 2019-05-15 2021-06-08 王拓 一种具有过滤功能的阀体
US11964145B2 (en) 2019-07-12 2024-04-23 Shifamed Holdings, Llc Intravascular blood pumps and methods of manufacture and use
US11654275B2 (en) 2019-07-22 2023-05-23 Shifamed Holdings, Llc Intravascular blood pumps with struts and methods of use and manufacture
EP4034192A4 (de) 2019-09-25 2023-11-29 Shifamed Holdings, LLC Intravaskuläre blutpumpensysteme und verfahren zur verwendung und steuerung davon
CA3160967A1 (en) 2019-11-12 2021-05-20 Fresenius Medical Care Deutschland Gmbh Blood treatment systems
WO2021094144A1 (en) 2019-11-12 2021-05-20 Fresenius Medical Care Deutschland Gmbh Blood treatment systems
WO2021094140A1 (en) 2019-11-12 2021-05-20 Fresenius Medical Care Deutschland Gmbh Blood treatment systems
EP4058094A1 (de) 2019-11-12 2022-09-21 Fresenius Medical Care Deutschland GmbH Blutbehandlungssysteme
CN112196897B (zh) * 2020-10-10 2021-07-20 珠海格力电器股份有限公司 磁悬浮轴承控制系统、方法、装置、设备和存储介质
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

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US5725357A (en) * 1995-04-03 1998-03-10 Ntn Corporation Magnetically suspended type pump
US5947703A (en) * 1996-01-31 1999-09-07 Ntn Corporation Centrifugal blood pump assembly
US6071093A (en) * 1996-10-18 2000-06-06 Abiomed, Inc. Bearingless blood pump and electronic drive system
JP4005654B2 (ja) * 1996-12-26 2007-11-07 Ｎｔｎ株式会社 磁気浮上型遠心式ポンプ装置
CA2260171A1 (en) * 1999-01-22 2000-07-22 Kriton Medical, Inc. Sealless blood pump with means for avoiding thrombus formation
US6398506B1 (en) * 1999-07-23 2002-06-04 Terumo Kabushiki Kaisha Centrifugal fluid pump and control device for operating the same
US6547530B2 (en) * 2000-05-19 2003-04-15 Ntn Corporation Fluid pump apparatus
US6626644B2 (en) * 2000-10-30 2003-09-30 Ntn Corporation Magnetically levitated pump and controlling circuit

Also Published As

Publication number Publication date
ATE350080T1 (de) 2007-01-15
JP3996775B2 (ja) 2007-10-24
US20030152462A1 (en) 2003-08-14
EP1327455A1 (de) 2003-07-16
US6840735B2 (en) 2005-01-11
DE60310778T2 (de) 2007-10-18
JP2003201992A (ja) 2003-07-18
EP1327455B1 (de) 2007-01-03

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Legal Events

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