WO2001007760A1 - Hydraulic seal for rotary pumps - Google Patents

Hydraulic seal for rotary pumps Download PDF

Info

Publication number
WO2001007760A1
WO2001007760A1 PCT/US2000/017324 US0017324W WO0107760A1 WO 2001007760 A1 WO2001007760 A1 WO 2001007760A1 US 0017324 W US0017324 W US 0017324W WO 0107760 A1 WO0107760 A1 WO 0107760A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotor
conduit
casing
band
pump
Prior art date
Application number
PCT/US2000/017324
Other languages
English (en)
French (fr)
Inventor
Lev Kazatchkov
Lucas Varela
Original Assignee
Impsa International Inc.
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 PCT/US1999/016300 external-priority patent/WO2001007787A1/en
Application filed by Impsa International Inc. filed Critical Impsa International Inc.
Priority to AU56346/00A priority Critical patent/AU5634600A/en
Priority to DE60023523T priority patent/DE60023523T2/de
Priority to EP00941672A priority patent/EP1212516B1/en
Priority to AT00941672T priority patent/ATE307964T1/de
Publication of WO2001007760A1 publication Critical patent/WO2001007760A1/en

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
    • A61M60/237—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 axial components, e.g. axial 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
    • A61M60/804—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
    • A61M60/825—Contact bearings, e.g. ball-and-cup or pivot 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
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0606—Canned motor pumps
    • F04D13/064—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
    • F04D13/0646—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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D3/00—Axial-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
    • A61M60/10—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
    • A61M60/10—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
    • A61M60/80—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
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/003—Having contrarotating parts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00—Rotary kinetic fluid motors or pumps
    • Y10S415/90—Rotary blood pump

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Cardiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Anesthesiology (AREA)
  • Veterinary Medicine (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • External Artificial Organs (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
PCT/US2000/017324 1999-07-26 2000-06-23 Hydraulic seal for rotary pumps WO2001007760A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU56346/00A AU5634600A (en) 1999-07-26 2000-06-23 Hydraulic seal for rotary pumps
DE60023523T DE60023523T2 (de) 1999-07-26 2000-06-23 Hydraulische Dichtung für Rotationspumpen
EP00941672A EP1212516B1 (en) 1999-07-26 2000-06-23 Hydraulic seal for rotary pumps
AT00941672T ATE307964T1 (de) 1999-07-26 2000-06-23 Hydraulische abdichtung für rotierende pumpen

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
USPCT/US99/16300 1999-07-26
US09/361,108 US6247892B1 (en) 1999-07-26 1999-07-26 Continuous flow rotary pump
PCT/US1999/016300 WO2001007787A1 (en) 1999-07-26 1999-07-26 Continuous flow rotary pump
US09/361,108 1999-07-26

Publications (1)

Publication Number Publication Date
WO2001007760A1 true WO2001007760A1 (en) 2001-02-01

Family

ID=23420681

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/017324 WO2001007760A1 (en) 1999-07-26 2000-06-23 Hydraulic seal for rotary pumps

Country Status (9)

Country Link
US (1) US6247892B1 (US06247892-20010619-M00009.png)
EP (1) EP1212516B1 (US06247892-20010619-M00009.png)
CN (1) CN1196866C (US06247892-20010619-M00009.png)
AR (1) AR023919A1 (US06247892-20010619-M00009.png)
AT (1) ATE307964T1 (US06247892-20010619-M00009.png)
AU (1) AU5634600A (US06247892-20010619-M00009.png)
DE (1) DE60023523T2 (US06247892-20010619-M00009.png)
ES (1) ES2252018T3 (US06247892-20010619-M00009.png)
WO (1) WO2001007760A1 (US06247892-20010619-M00009.png)

Cited By (27)

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US8900060B2 (en) 2009-04-29 2014-12-02 Ecp Entwicklungsgesellschaft Mbh Shaft arrangement having a shaft which extends within a fluid-filled casing
US8926492B2 (en) 2011-10-11 2015-01-06 Ecp Entwicklungsgesellschaft Mbh Housing for a functional element
US8932141B2 (en) 2009-10-23 2015-01-13 Ecp Entwicklungsgesellschaft Mbh Flexible shaft arrangement
US8944748B2 (en) 2009-05-05 2015-02-03 Ecp Entwicklungsgesellschaft Mbh Fluid pump changeable in diameter, in particular for medical application
US8979493B2 (en) 2009-03-18 2015-03-17 ECP Entwicklungsgesellscaft mbH Fluid pump
US8998792B2 (en) 2008-12-05 2015-04-07 Ecp Entwicklungsgesellschaft Mbh Fluid pump with a rotor
US9028216B2 (en) 2009-09-22 2015-05-12 Ecp Entwicklungsgesellschaft Mbh Rotor for an axial flow pump for conveying a fluid
US9067006B2 (en) 2009-06-25 2015-06-30 Ecp Entwicklungsgesellschaft Mbh Compressible and expandable blade for a fluid pump
US9089670B2 (en) 2009-02-04 2015-07-28 Ecp Entwicklungsgesellschaft Mbh Catheter device having a catheter and an actuation device
US9217442B2 (en) 2010-03-05 2015-12-22 Ecp Entwicklungsgesellschaft Mbh Pump or rotary cutter for operation in a fluid
US9314558B2 (en) 2009-12-23 2016-04-19 Ecp Entwicklungsgesellschaft Mbh Conveying blades for a compressible rotor
US9328741B2 (en) 2010-05-17 2016-05-03 Ecp Entwicklungsgesellschaft Mbh Pump arrangement
US9339596B2 (en) 2009-12-23 2016-05-17 Ecp Entwicklungsgesellschaft Mbh Radially compressible and expandable rotor for a fluid pump
US9358330B2 (en) 2009-12-23 2016-06-07 Ecp Entwicklungsgesellschaft Mbh Pump device having a detection device
US9416783B2 (en) 2009-09-22 2016-08-16 Ecp Entwicklungsgellschaft Mbh Compressible rotor for a fluid pump
US9416791B2 (en) 2010-01-25 2016-08-16 Ecp Entwicklungsgesellschaft Mbh Fluid pump having a radially compressible rotor
US9603983B2 (en) 2009-10-23 2017-03-28 Ecp Entwicklungsgesellschaft Mbh Catheter pump arrangement and flexible shaft arrangement having a core
US9611743B2 (en) 2010-07-15 2017-04-04 Ecp Entwicklungsgesellschaft Mbh Radially compressible and expandable rotor for a pump having an impeller blade
US9771801B2 (en) 2010-07-15 2017-09-26 Ecp Entwicklungsgesellschaft Mbh Rotor for a pump, produced with a first elastic material
US9867916B2 (en) 2010-08-27 2018-01-16 Berlin Heart Gmbh Implantable blood conveying device, manipulating device and coupling device
US9895475B2 (en) 2010-07-15 2018-02-20 Ecp Entwicklungsgesellschaft Mbh Blood pump for the invasive application within a body of a patient
US9974893B2 (en) 2010-06-25 2018-05-22 Ecp Entwicklungsgesellschaft Mbh System for introducing a pump
US10107299B2 (en) 2009-09-22 2018-10-23 Ecp Entwicklungsgesellschaft Mbh Functional element, in particular fluid pump, having a housing and a conveying element
US10172985B2 (en) 2009-08-06 2019-01-08 Ecp Entwicklungsgesellschaft Mbh Catheter device having a coupling device for a drive device
US10391278B2 (en) 2011-03-10 2019-08-27 Ecp Entwicklungsgesellschaft Mbh Push device for the axial insertion of an elongate, flexible body
US10561773B2 (en) 2011-09-05 2020-02-18 Ecp Entwicklungsgesellschaft Mbh Medical product comprising a functional element for the invasive use in a patient's body
EP3812001A1 (en) * 2015-03-18 2021-04-28 Abiomed Europe GmbH Blood pump

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EP1212516A4 (en) 2003-11-26
ATE307964T1 (de) 2005-11-15
CN1196866C (zh) 2005-04-13
DE60023523T2 (de) 2006-07-20
US6247892B1 (en) 2001-06-19
EP1212516A1 (en) 2002-06-12
CN1364213A (zh) 2002-08-14
DE60023523D1 (de) 2005-12-01
ES2252018T3 (es) 2006-05-16
EP1212516B1 (en) 2005-10-26
AR023919A1 (es) 2002-09-04
AU5634600A (en) 2001-02-13

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