AT274642T - A rotor for a blood pump - Google Patents

A rotor for a blood pump

Info

Publication number
AT274642T
AT274642T AT98932850T AT98932850T AT274642T AT 274642 T AT274642 T AT 274642T AT 98932850 T AT98932850 T AT 98932850T AT 98932850 T AT98932850 T AT 98932850T AT 274642 T AT274642 T AT 274642T
Authority
AT
Austria
Prior art keywords
rotor
blood pump
blood
pump
Prior art date
Application number
AT98932850T
Other languages
German (de)
Inventor
Valentin M Izraelev
Original Assignee
Advanced Bionics 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 to US08/886,188 priority Critical patent/US5938412A/en
Priority to US08/886,385 priority patent/US5924848A/en
Priority to US08/886,185 priority patent/US6206659B1/en
Application filed by Advanced Bionics Inc filed Critical Advanced Bionics Inc
Priority to PCT/US1998/013184 priority patent/WO1999001663A1/en
Publication of AT274642T publication Critical patent/AT274642T/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/18Rotors
    • F04D29/22Rotors specially for centrifugal pumps
    • F04D29/2205Conventional flow pattern
    • F04D29/2211More than one set of flow passages
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/10Blood pumps; Artificial hearts; Devices for mechanical circulatory assistance, e.g. intra-aortic balloon pumps
    • A61M1/101Non-positive displacement pumps, e.g. impeller, centrifugal, vane pumps
    • A61M1/1012Constructional features thereof
    • A61M1/1013Types of bearings
    • A61M1/1015Magnetic bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D1/006Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps double suction pumps
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/10Blood pumps; Artificial hearts; Devices for mechanical circulatory assistance, e.g. intra-aortic balloon pumps
    • A61M1/101Non-positive displacement pumps, e.g. impeller, centrifugal, vane pumps
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/10Blood pumps; Artificial hearts; Devices for mechanical circulatory assistance, e.g. intra-aortic balloon pumps
    • A61M1/101Non-positive displacement pumps, e.g. impeller, centrifugal, vane pumps
    • A61M1/1012Constructional features thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/10Blood pumps; Artificial hearts; Devices for mechanical circulatory assistance, e.g. intra-aortic balloon pumps
    • A61M1/101Non-positive displacement pumps, e.g. impeller, centrifugal, vane pumps
    • A61M1/1012Constructional features thereof
    • A61M1/1013Types of bearings
    • A61M1/1017Hydrodynamic bearings
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/10Blood pumps; Artificial hearts; Devices for mechanical circulatory assistance, e.g. intra-aortic balloon pumps
    • A61M1/101Non-positive displacement pumps, e.g. impeller, centrifugal, vane pumps
    • A61M1/1029Drive systems therefor
    • A61M1/1031Drive systems therefor using a motor with canned rotor, i.e. a motor enclosed within a casing along with the rotor so that the motor bearings are lubricated by the blood that is being pumped
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/10Blood pumps; Artificial hearts; Devices for mechanical circulatory assistance, e.g. intra-aortic balloon pumps
    • A61M1/1086Regulating or controlling systems therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M1/00Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/10Blood pumps; Artificial hearts; Devices for mechanical circulatory assistance, e.g. intra-aortic balloon pumps
    • A61M1/12Blood pumps; Artificial hearts; Devices for mechanical circulatory assistance, e.g. intra-aortic balloon pumps implantable into the body
    • A61M1/122Heart assist devices, i.e. for assisting an ailing heart, using additional pumping means in the blood circuit
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3331Pressure; Flow
    • A61M2205/3334Measuring or controlling the flow rate
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO MACHINES OR ENGINES OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, TO WIND MOTORS, TO NON-POSITIVE DISPLACEMENT PUMPS, AND TO GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY
    • F05B2240/00Components
    • F05B2240/50Bearings
    • F05B2240/53Hydrodynamic or hydrostatic bearings
AT98932850T 1995-06-01 1998-06-25 A rotor for a blood pump AT274642T (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US08/886,188 US5938412A (en) 1995-06-01 1997-07-01 Blood pump having rotor with internal bore for fluid flow
US08/886,385 US5924848A (en) 1995-06-01 1997-07-01 Blood pump having radial vanes with enclosed magnetic drive components
US08/886,185 US6206659B1 (en) 1995-06-01 1997-07-01 Magnetically driven rotor for blood pump
PCT/US1998/013184 WO1999001663A1 (en) 1997-07-01 1998-06-25 Improved rotor for blood pump

Publications (1)

Publication Number Publication Date
AT274642T true AT274642T (en) 2004-09-15

Family

ID=27420521

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98932850T AT274642T (en) 1995-06-01 1998-06-25 A rotor for a blood pump

Country Status (8)

Country Link
EP (1) EP1003970B1 (en)
JP (1) JP3626682B2 (en)
AT (1) AT274642T (en)
AU (1) AU738903B2 (en)
CA (1) CA2295932C (en)
DE (1) DE69825907D1 (en)
HK (1) HK1031249A1 (en)
WO (1) WO1999001663A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20010448A1 (en) * 2001-05-14 2001-08-13 Eva Hubertova Device biomechanical support for revascularization.
DE10330434A1 (en) 2003-07-04 2005-02-03 Jostra Ag Centrifugal pump
US7416525B2 (en) 2003-09-18 2008-08-26 Myrakelle, Llc Rotary blood pump
CA2544087A1 (en) * 2003-10-31 2005-05-12 Ventracor Limited Improved blood pump comprising polymeric components
SG170817A1 (en) 2006-03-31 2011-05-30 Thoratec Corp Rotary blood pump
KR101772901B1 (en) 2015-12-10 2017-08-30 서강대학교산학협력단 Extracorporeal Membrane Oxygenation Device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2451480B1 (en) * 1979-03-16 1984-02-17 Belenger Jacques
US4688998A (en) 1981-03-18 1987-08-25 Olsen Don B Magnetically suspended and rotated impellor pump apparatus and method
US5078741A (en) * 1986-10-12 1992-01-07 Life Extenders Corporation Magnetically suspended and rotated rotor
US4944748A (en) * 1986-10-12 1990-07-31 Bramm Gunter W Magnetically suspended and rotated rotor
US5195877A (en) 1990-10-05 1993-03-23 Kletschka Harold D Fluid pump with magnetically levitated impeller
US5055005A (en) * 1990-10-05 1991-10-08 Kletschka Harold D Fluid pump with levitated impeller
US5725357A (en) * 1995-04-03 1998-03-10 Ntn Corporation Magnetically suspended type pump
US5685700A (en) * 1995-06-01 1997-11-11 Advanced Bionics, Inc. Bearing and seal-free blood pump

Also Published As

Publication number Publication date
EP1003970A4 (en) 2002-06-26
CA2295932C (en) 2004-04-27
EP1003970B1 (en) 2004-08-25
EP1003970A1 (en) 2000-05-31
HK1031249A1 (en) 2005-05-20
AU8264398A (en) 1999-01-25
JP3626682B2 (en) 2005-03-09
WO1999001663A1 (en) 1999-01-14
CA2295932A1 (en) 1999-01-14
AU738903B2 (en) 2001-09-27
JP2001509407A (en) 2001-07-24
DE69825907D1 (en) 2004-09-30

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Legal Events

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