ATE271655T1 - Rotodynamische pumpe mit nicht-zirkulärem hydrodynamischen achslager - Google Patents

Rotodynamische pumpe mit nicht-zirkulärem hydrodynamischen achslager

Info

Publication number
ATE271655T1
ATE271655T1 AT98917955T AT98917955T ATE271655T1 AT E271655 T1 ATE271655 T1 AT E271655T1 AT 98917955 T AT98917955 T AT 98917955T AT 98917955 T AT98917955 T AT 98917955T AT E271655 T1 ATE271655 T1 AT E271655T1
Authority
AT
Austria
Prior art keywords
bearing
blood
axle bearing
rotodynamic pump
circular
Prior art date
Application number
AT98917955T
Other languages
English (en)
Inventor
Leonard A R Golding
William A Smith
Original Assignee
Cleveland Clinic Foundation
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 Cleveland Clinic Foundation filed Critical Cleveland Clinic Foundation
Application granted granted Critical
Publication of ATE271655T1 publication Critical patent/ATE271655T1/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
    • A61M60/10—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
    • 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
    • A61M60/221—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller the blood flow through the rotating member having both radial and axial components, e.g. mixed flow 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
    • A61M60/422—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
    • 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
    • A61M60/825—Contact bearings, e.g. ball-and-cup or pivot 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
    • 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
    • A61M60/827—Sealings between moving parts
    • 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

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Cardiology (AREA)
  • Mechanical Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Anesthesiology (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • External Artificial Organs (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Rotary Pumps (AREA)
  • Sliding-Contact Bearings (AREA)
AT98917955T 1997-03-19 1998-03-17 Rotodynamische pumpe mit nicht-zirkulärem hydrodynamischen achslager ATE271655T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/820,756 US5890883A (en) 1997-03-19 1997-03-19 Rotodynamic pump with non-circular hydrodynamic bearing journal
PCT/US1998/005220 WO1998041759A1 (en) 1997-03-19 1998-03-17 Rotodynamic pump with non-circular hydrodynamic bearing journal

Publications (1)

Publication Number Publication Date
ATE271655T1 true ATE271655T1 (de) 2004-08-15

Family

ID=25231642

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98917955T ATE271655T1 (de) 1997-03-19 1998-03-17 Rotodynamische pumpe mit nicht-zirkulärem hydrodynamischen achslager

Country Status (8)

Country Link
US (1) US5890883A (de)
EP (1) EP0968369B1 (de)
JP (1) JP4105770B2 (de)
AT (1) ATE271655T1 (de)
AU (1) AU7098398A (de)
CA (1) CA2282543C (de)
DE (1) DE69825150T2 (de)
WO (1) WO1998041759A1 (de)

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US6123659A (en) * 1999-01-26 2000-09-26 Nimbus Inc. Blood pump with profiled outflow region
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US6595743B1 (en) 1999-07-26 2003-07-22 Impsa International Inc. Hydraulic seal for rotary pumps
CZ303883B6 (cs) * 2000-03-27 2013-06-12 The Cleveland Clinic Foundation Kardiální pomocné zarízení a krevní cerpadlo
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JP2006218010A (ja) * 2005-02-09 2006-08-24 Hideo Hoshi 血液ポンプおよび動圧軸受
AU2007233078B2 (en) * 2006-03-31 2011-11-24 Thoratec Corporation Rotary blood pump
WO2009157408A1 (ja) 2008-06-23 2009-12-30 テルモ株式会社 血液ポンプ装置
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
AU2010237614B2 (en) 2009-04-16 2013-11-07 Bivacor Pty Ltd Heart pump controller
EP2419159A4 (de) 2009-04-16 2017-07-19 Bivacor Pty Ltd Herzpumpenregler
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
US9555174B2 (en) 2010-02-17 2017-01-31 Flow Forward Medical, Inc. Blood pump systems and methods
US9155827B2 (en) 2010-02-17 2015-10-13 Flow Forward Medical, Inc. System and method to increase the overall diameter of veins
US9662431B2 (en) 2010-02-17 2017-05-30 Flow Forward Medical, Inc. Blood pump systems and methods
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
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
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
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
EP2520317B1 (de) * 2011-05-05 2014-07-09 Berlin Heart GmbH Blutpumpe
AU2012296563B2 (en) 2011-08-17 2017-05-04 Artio Medical, Inc. System and method to increase the overall diameter of veins and arteries
AU2012296568A1 (en) 2011-08-17 2014-03-06 Flow Forward Medical, Inc. Blood pump systems and methods
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
US10258730B2 (en) 2012-08-17 2019-04-16 Flow Forward Medical, Inc. Blood pump systems and methods
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
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
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
US10117983B2 (en) 2015-11-16 2018-11-06 Tc1 Llc Pressure/flow characteristic modification of a centrifugal pump in a ventricular assist device
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US10712183B2 (en) * 2016-03-09 2020-07-14 Onesubsea Ip Uk Limited Determining flow rates of multiphase fluids
TW202233270A (zh) 2016-04-29 2022-09-01 美商亞提歐醫藥公司 用於運輸血液至血泵系統之導管及血泵系統
US20180245596A1 (en) * 2016-07-26 2018-08-30 RELIAX MOTORES SA de CV Integrated electric motor and pump assembly
WO2018187576A2 (en) 2017-04-05 2018-10-11 Bivacor Inc. Heart pump drive and bearing
EP3651825A1 (de) 2017-07-13 2020-05-20 Everheart Systems, Inc. Hocheffiziente blutpumpe
US11549641B2 (en) 2020-07-23 2023-01-10 Pratt & Whitney Canada Corp. Double journal bearing impeller for active de-aerator

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Also Published As

Publication number Publication date
US5890883A (en) 1999-04-06
JP4105770B2 (ja) 2008-06-25
DE69825150T2 (de) 2005-08-11
JP2001518161A (ja) 2001-10-09
WO1998041759A1 (en) 1998-09-24
EP0968369A4 (de) 2002-07-24
DE69825150D1 (de) 2004-08-26
EP0968369A1 (de) 2000-01-05
EP0968369B1 (de) 2004-07-21
AU7098398A (en) 1998-10-12
CA2282543C (en) 2008-02-19
CA2282543A1 (en) 1998-09-24

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