ATE456963T1 - Zentrifugalblutpumpe mit hydrodynamischer lagerung - Google Patents

Zentrifugalblutpumpe mit hydrodynamischer lagerung

Info

Publication number
ATE456963T1
ATE456963T1 AT05006391T AT05006391T ATE456963T1 AT E456963 T1 ATE456963 T1 AT E456963T1 AT 05006391 T AT05006391 T AT 05006391T AT 05006391 T AT05006391 T AT 05006391T AT E456963 T1 ATE456963 T1 AT E456963T1
Authority
AT
Austria
Prior art keywords
impeller
housing
blood pump
hydrodynamic bearing
centrifugal blood
Prior art date
Application number
AT05006391T
Other languages
English (en)
Inventor
Mitsutoshi Yaegashi
Takehisa Asada
Takehiko Mori
Takayoshi Ozaki
Kenichi Suzuki
Original Assignee
Terumo Corp
Ntn Toyo Bearing Co Ltd
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
Priority claimed from JP2004088108A external-priority patent/JP4340178B2/ja
Priority claimed from JP2004103573A external-priority patent/JP4340182B2/ja
Application filed by Terumo Corp, Ntn Toyo Bearing Co Ltd filed Critical Terumo Corp
Application granted granted Critical
Publication of ATE456963T1 publication Critical patent/ATE456963T1/de

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
    • F04D29/047—Bearings hydrostatic; hydrodynamic
    • 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
    • A61M60/80—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
    • 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
    • F04D13/021—Units comprising pumps and their driving means containing a coupling
    • F04D13/024—Units comprising pumps and their driving means containing a coupling a magnetic coupling
    • F04D13/027—Details of the magnetic circuit
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0088—Testing machines
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Mechanical Engineering (AREA)
  • Anesthesiology (AREA)
  • Public Health (AREA)
  • Cardiology (AREA)
  • Veterinary Medicine (AREA)
  • General Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • External Artificial Organs (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
AT05006391T 2004-03-24 2005-03-23 Zentrifugalblutpumpe mit hydrodynamischer lagerung ATE456963T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004088108A JP4340178B2 (ja) 2004-03-24 2004-03-24 遠心式血液ポンプ装置
JP2004103573A JP4340182B2 (ja) 2004-03-31 2004-03-31 血液ポンプ装置

Publications (1)

Publication Number Publication Date
ATE456963T1 true ATE456963T1 (de) 2010-02-15

Family

ID=34934459

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05006391T ATE456963T1 (de) 2004-03-24 2005-03-23 Zentrifugalblutpumpe mit hydrodynamischer lagerung

Country Status (4)

Country Link
US (2) US7748964B2 (de)
EP (1) EP1598087B1 (de)
AT (1) ATE456963T1 (de)
DE (1) DE602005019219D1 (de)

Families Citing this family (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004327007A (ja) * 2003-04-08 2004-11-18 Nec Corp 光学的情報記録媒体および光学的情報記録再生装置
ES2315908T3 (es) * 2004-10-07 2009-04-01 EBM-PAPST ST. GEORGEN GMBH & CO. KG Disposicion para el transporte de fluidos.
US20060083642A1 (en) 2004-10-18 2006-04-20 Cook Martin C Rotor stability of a rotary pump
EP1932552B1 (de) * 2005-09-05 2012-01-04 Tokyo Institute Of Technology Magnetische einweg-levitationsblutpumpe
US8672611B2 (en) 2006-01-13 2014-03-18 Heartware, Inc. Stabilizing drive for contactless rotary blood pump impeller
JP5155186B2 (ja) 2006-01-13 2013-02-27 ハートウェア、インコーポレイテッド 回転式血液ポンプ
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
JP4898319B2 (ja) * 2006-06-23 2012-03-14 テルモ株式会社 血液ポンプ装置
JP4787726B2 (ja) * 2006-11-28 2011-10-05 テルモ株式会社 センサレス磁気軸受型血液ポンプ装置
EP2167158B1 (de) 2007-06-14 2016-03-16 Calon Cardio Technology Ltd Axiale rotationspumpe mit verringertem durchmesser zur herzunterstützung
EP2258950A1 (de) * 2008-01-31 2010-12-08 National University Corporation Yokohama National University Strömungsmaschine
WO2009157408A1 (ja) 2008-06-23 2009-12-30 テルモ株式会社 血液ポンプ装置
WO2010036815A2 (en) * 2008-09-26 2010-04-01 Launchpoint Technologies, Inc. Magnetically-levitated blood pump with optimization method enabling miniaturization
US20100130944A1 (en) * 2008-11-21 2010-05-27 Music Douglas E Flow control devices for ophthalmic surgery
WO2010067682A1 (ja) 2008-12-08 2010-06-17 Ntn株式会社 遠心式ポンプ装置
JP5378010B2 (ja) 2009-03-05 2013-12-25 ソラテック コーポレーション 遠心式ポンプ装置
WO2010101107A1 (ja) 2009-03-06 2010-09-10 Ntn株式会社 遠心式ポンプ装置
JP5656835B2 (ja) * 2009-07-29 2015-01-21 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
JP5443197B2 (ja) * 2010-02-16 2014-03-19 ソラテック コーポレーション 遠心式ポンプ装置
WO2011118325A1 (ja) 2010-03-26 2011-09-29 テルモ株式会社 遠心式血液ポンプ装置
TW201217010A (en) 2010-06-22 2012-05-01 Thoratec Corp Apparatus and method for modifying pressure-flow characteristics of a pump
CA2802217A1 (en) 2010-06-22 2011-12-29 Thoratec Corporation Fluid delivery system and method for monitoring fluid delivery system
JP5681403B2 (ja) 2010-07-12 2015-03-11 ソーラテック コーポレイション 遠心式ポンプ装置
USD669585S1 (en) 2010-08-20 2012-10-23 Thoratec Corporation Implantable blood pump
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
JPWO2012036238A1 (ja) * 2010-09-17 2014-02-03 テルモ株式会社 血液と接触する表面の血小板付着性を減少させる医療用機器の製造方法
US9227001B2 (en) 2010-10-07 2016-01-05 Everheart Systems Inc. High efficiency blood pump
EP2693609B1 (de) 2011-03-28 2017-05-03 Thoratec Corporation Dreh- und antriebsvorrichtung und zentrifugalpumpvorrichtung damit
CN112569438A (zh) * 2011-04-05 2021-03-30 瑞思迈私人有限公司 呼吸设备
USD671646S1 (en) 2011-04-21 2012-11-27 Thoratec Corporation Implantable blood pump
JP6083929B2 (ja) 2012-01-18 2017-02-22 ソーラテック コーポレイション 遠心式ポンプ装置
WO2014000753A1 (en) 2012-06-28 2014-01-03 Rheinisch-Westfälische Technische Hochschule Aachen Centrifugal blood pump apparatus
EP2719403B1 (de) * 2012-10-12 2016-09-28 Abiomed Europe GmbH Zentrifugal-Blutpumpe
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
US10294944B2 (en) 2013-03-08 2019-05-21 Everheart Systems Inc. Flow thru mechanical blood pump bearings
US9144638B2 (en) * 2013-03-14 2015-09-29 Thoratec Corporation Blood pump rotor bearings
US9713663B2 (en) 2013-04-30 2017-07-25 Tc1 Llc Cardiac pump with speed adapted for ventricle unloading
US10052420B2 (en) 2013-04-30 2018-08-21 Tc1 Llc Heart beat identification and pump speed synchronization
CN105324139B (zh) 2013-05-23 2018-01-26 纯净之心有限公司 离心泵装置的叶轮
EP3171912B1 (de) 2014-07-25 2019-11-20 Kpr U.S., Llc Flusssteuerungsvorrichtung detektionssystem
US9623161B2 (en) 2014-08-26 2017-04-18 Tc1 Llc Blood pump and method of suction detection
EP4643926A3 (de) 2015-02-11 2025-12-24 Tc1 Llc Herzschlagidentifizierung und pumpengeschwindigkeitssynchronisierung
US10371152B2 (en) 2015-02-12 2019-08-06 Tc1 Llc Alternating pump gaps
US10166318B2 (en) 2015-02-12 2019-01-01 Tc1 Llc System and method for controlling the position of a levitated rotor
US10245361B2 (en) 2015-02-13 2019-04-02 Tc1 Llc Impeller suspension mechanism for heart pump
TW201634817A (zh) * 2015-03-30 2016-10-01 林聖梁 抽水馬達裝置
CN106300722A (zh) * 2015-05-18 2017-01-04 德昌电机(深圳)有限公司 电机与电动泵
US10177627B2 (en) 2015-08-06 2019-01-08 Massachusetts Institute Of Technology Homopolar, flux-biased hysteresis bearingless motor
EP3135933B1 (de) * 2015-08-25 2019-05-01 ReinHeart GmbH Aktives magnetlager
US10117983B2 (en) 2015-11-16 2018-11-06 Tc1 Llc Pressure/flow characteristic modification of a centrifugal pump in a ventricular assist device
EP3173110A1 (de) * 2015-11-30 2017-05-31 Fundacja Rozwoju Kardiochirurgii Im. Prof. Zbigniewa Religi Lagerungseinrichtung für kreiselpumpe, insbesondere implantierbare zentrifugale herzunterstützungspumpe
WO2019125718A1 (en) 2017-12-22 2019-06-27 Massachusetts Institute Of Technology Homopolar bearingless slice motors
CN118698022A (zh) * 2018-12-12 2024-09-27 深圳核心医疗科技股份有限公司 心室辅助装置
EP3795836B1 (de) * 2019-09-18 2024-11-27 Levitronix GmbH Zentrifugalpumpe
CN114728159B (zh) 2019-11-12 2025-10-17 费森尤斯医疗护理德国有限责任公司 血液治疗系统
CN114728117B (zh) 2019-11-12 2025-11-11 费森尤斯医疗护理德国有限责任公司 血液治疗系统
WO2021096706A1 (en) 2019-11-12 2021-05-20 Fresenius Medical Care Deutschland Gmbh Blood treatment systems
CN114728110A (zh) 2019-11-12 2022-07-08 费森尤斯医疗护理德国有限责任公司 血液治疗系统
CA3160952A1 (en) 2019-11-12 2021-05-20 Fresenius Medical Care Deutschland Gmbh Blood treatment systems
CA3160850A1 (en) 2019-11-12 2021-05-20 Fresenius Medical Care Deutschland Gmbh Blood treatment systems
CN115315280A (zh) 2019-12-12 2022-11-08 费森尤斯医疗保健控股公司 血液治疗系统
CN116531655B (zh) * 2023-04-27 2026-03-27 深圳核心医疗科技股份有限公司 泵壳、泵体及心室辅助装置

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE340015B (de) * 1969-05-27 1971-11-01 Skf Svenska Kullagerfab Ab
US3620638A (en) * 1970-08-24 1971-11-16 J Arthur Kaye Liquid propulsion device
JPS6014615A (ja) * 1983-07-06 1985-01-25 Ebara Corp スラスト軸受およびその製造方法
JPH04112994A (ja) 1990-08-31 1992-04-14 Ntn Corp ターボ形ポンプ
JP2989233B2 (ja) * 1990-07-31 1999-12-13 エヌティエヌ株式会社 ターボ形ポンプ
JPH04209995A (ja) 1990-11-30 1992-07-31 Daikin Ind Ltd 低真空ポンプの軸受構造
US5290236A (en) 1991-09-25 1994-03-01 Baxter International Inc. Low priming volume centrifugal blood pump
US5350283A (en) * 1991-12-04 1994-09-27 Ntn Corporation Clean pump
JP3340237B2 (ja) 1994-04-01 2002-11-05 テイエチケー株式会社 ポンプ
JP2804889B2 (ja) 1994-08-03 1998-09-30 テイエチケー株式会社 動圧軸受ユニット
JP3553255B2 (ja) 1996-01-31 2004-08-11 Ｎｔｎ株式会社 粘度計測機能付磁気浮上型ポンプ
JP3853865B2 (ja) 1996-01-31 2006-12-06 テルモ株式会社 遠心式血液ポンプ装置
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
EP0971212B1 (de) * 1998-07-10 2011-04-20 Levitronix LLC Verfahren zur Bestimmung des Druckverlustes und des Durchflusses durch eine Pumpe
DE59915262D1 (de) * 1998-07-10 2011-06-01 Levitronix Llc Verfahren zur Bestimmung des Druckverlustes und des Durchflusses durch eine Pumpe
DE60021554T2 (de) * 1999-04-23 2006-03-30 Ventrassist Pty Ltd., Brisbane Rotationsblutpumpe sowie kontrollsystem dafür
DE60006926T2 (de) * 1999-12-27 2004-06-17 Terumo K.K. Flüssigkeitspumpe mit magnetisch aufgehängtem Laufrad
JP3665549B2 (ja) 2000-09-01 2005-06-29 日本電産株式会社 スラスト動圧軸受及びこれを備えたスピンドルモータ
JP2002227795A (ja) 2001-01-31 2002-08-14 Ebara Corp 遠心ポンプ
JP2002349468A (ja) 2001-05-24 2002-12-04 Thk Co Ltd カスケードポンプ
JP3834610B2 (ja) 2001-07-12 2006-10-18 独立行政法人産業技術総合研究所 動圧軸受を備えた人工心臓ポンプ
JP3996775B2 (ja) * 2002-01-09 2007-10-24 テルモ株式会社 遠心式液体ポンプ装置
JP2004052998A (ja) 2002-05-28 2004-02-19 Mitsubishi Materials Corp 動圧発生溝を備えた摺動部材及びその製造方法
EP1430919A1 (de) * 2002-12-17 2004-06-23 Terumo Kabushiki Kaisha Zentrifugale Blutpumpe
US7128538B2 (en) * 2003-07-07 2006-10-31 Terumo Corporation Centrifugal fluid pump apparatus

Also Published As

Publication number Publication date
EP1598087A3 (de) 2007-04-25
US7748964B2 (en) 2010-07-06
EP1598087B1 (de) 2010-02-03
DE602005019219D1 (de) 2010-03-25
US20050287022A1 (en) 2005-12-29
US20100221130A1 (en) 2010-09-02
EP1598087A2 (de) 2005-11-23
US8430652B2 (en) 2013-04-30

Similar Documents

Publication Publication Date Title
DE602005019219D1 (de) Zentrifugalblutpumpe mit hydrodynamischer Lagerung
US20200155740A1 (en) Centrifugal blood pump device
ATE330128T1 (de) Vakuumpumpe
US20170159669A1 (en) Impeller, And Pump And Fluid Delivery Device Using The Impeller
JP2005036798A (ja) ターボ分子ポンプ
US10702642B2 (en) Blood pump
JP2004019605A5 (de)
WO2006044327A3 (en) Gas removal from a centrifugal pump
KR101071922B1 (ko) 모터
JP5993274B2 (ja) インペラを備えたポンプ装置
JPWO2019044737A1 (ja) ポンプ装置
EP1411261A3 (de) Flüssigkeitskupplung
WO2005035979A3 (en) Pump
JPH08166000A (ja) マグネットポンプ
JPH05111534A (ja) 血液ポンプ
JP4146471B2 (ja) 人工心臓ポンプ
RU2002103617A (ru) Погружной многоступенчатый центробежный насос с радиально-опорными подшипниками
EP1092877A3 (de) Ausgeglichene Pumpe mit auf derselben Achse liegenden Ein- und Auslasskanälen
JP2008267275A (ja) ベーンポンプ
JP2009007957A (ja) 遠心ポンプ
RU2002113396A (ru) Погружной многоступенчатый центробежный насос с торцовым самоустанавливающимся уплотнением
RU96122314A (ru) Центробежный насос
JP2007154777A (ja) 送風機
JP2007085314A (ja) ポンプ
KR19990016000U (ko) 원심펌프의 회전축

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties