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
US6186665B1 (en) 1999-01-26 2001-02-13 Nimbus, Inc. Motor rotor bearing assembly for a blood pump
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US6247892B1 (en) * 1999-07-26 2001-06-19 Impsa International Inc. Continuous flow rotary pump
US7189260B2 (en) * 2000-03-27 2007-03-13 David Horvath Ventricular assist system secondary impeller
WO2005028872A2 (en) 2003-09-18 2005-03-31 Myrakelle, Llc Rotary blood pump
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US9067005B2 (en) 2008-12-08 2015-06-30 Thoratec Corporation Centrifugal pump apparatus
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
WO2010118475A1 (en) 2009-04-16 2010-10-21 Bivacor Pty Ltd Heart pump controller
EP2419160B1 (de) 2009-04-16 2019-05-22 Bivacor Pty Ltd Herzpumpenregler
EP2461465B1 (de) 2009-07-29 2018-12-19 Thoratec Corporation Rotationsantriebsvorrichtung und zentrifugalpumpenvorrichtung
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
ES2681744T3 (es) 2010-02-17 2018-09-14 Flow Forward Medical, Inc. Sistema para aumentar el diámetro total de venas
US9662431B2 (en) 2010-02-17 2017-05-30 Flow Forward Medical, Inc. Blood pump systems and methods
JP5572832B2 (ja) 2010-03-26 2014-08-20 ソーラテック コーポレイション 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
US10426878B2 (en) 2011-08-17 2019-10-01 Flow Forward Medical, Inc. Centrifugal blood pump systems
AU2012296563B2 (en) 2011-08-17 2017-05-04 Artio Medical, Inc. System and method to increase the overall diameter of veins and arteries
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
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
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
EP3400033B1 (de) 2016-01-06 2024-06-05 Bivacor Inc. Herzpumpe mit laufradaxialpositionssteuerung
US10712183B2 (en) * 2016-03-09 2020-07-14 Onesubsea Ip Uk Limited Determining flow rates of multiphase fluids
CA3021657A1 (en) 2016-04-29 2017-11-02 Flow Forward Medical, Inc. Conduit tips and systems and methods for use
US20180245596A1 (en) * 2016-07-26 2018-08-30 RELIAX MOTORES SA de CV Integrated electric motor and pump assembly
EP3606577A2 (de) 2017-04-05 2020-02-12 Bivacor Inc. Herzpumpenantrieb und lager
AU2018301507B2 (en) 2017-07-13 2024-06-13 CORVION, Inc. High efficiency blood pump
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
DE69825150T2 (de) 2005-08-11
EP0968369B1 (de) 2004-07-21
JP4105770B2 (ja) 2008-06-25
JP2001518161A (ja) 2001-10-09
EP0968369A1 (de) 2000-01-05
AU7098398A (en) 1998-10-12
US5890883A (en) 1999-04-06
CA2282543C (en) 2008-02-19
WO1998041759A1 (en) 1998-09-24
EP0968369A4 (de) 2002-07-24
DE69825150D1 (de) 2004-08-26
CA2282543A1 (en) 1998-09-24

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