DE3851149T2 - Rotationspumpe mit anschlussteil. - Google Patents

Rotationspumpe mit anschlussteil.

Info

Publication number
DE3851149T2
DE3851149T2 DE3851149T DE3851149T DE3851149T2 DE 3851149 T2 DE3851149 T2 DE 3851149T2 DE 3851149 T DE3851149 T DE 3851149T DE 3851149 T DE3851149 T DE 3851149T DE 3851149 T2 DE3851149 T2 DE 3851149T2
Authority
DE
Germany
Prior art keywords
impeller
coupling section
connecting part
turn
components
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE3851149T
Other languages
English (en)
Other versions
DE3851149D1 (de
Inventor
Harold D Kletschka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE3851149D1 publication Critical patent/DE3851149D1/de
Application granted granted Critical
Publication of DE3851149T2 publication Critical patent/DE3851149T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • A61M60/10—Location thereof with respect to the patient's body
    • A61M60/104—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body
    • A61M60/117—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body for assisting the heart, e.g. transcutaneous or external 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
    • 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
    • A61M60/30—Medical purposes thereof other than the enhancement of the cardiac output
    • A61M60/36—Medical purposes thereof other than the enhancement of the cardiac output for specific blood treatment; for specific therapy
    • A61M60/38—Blood oxygenation
    • 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
    • A61M60/405—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being hydraulic or pneumatic
    • 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
    • A61M60/408—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable
    • A61M60/411—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable generated by an electromotor
    • A61M60/414—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable generated by an electromotor transmitted by a rotating cable, e.g. for blood pumps mounted on a catheter
    • 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
    • A61M60/408—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable
    • A61M60/411—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable generated by an electromotor
    • A61M60/416—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being mechanical, e.g. transmitted by a shaft or cable generated by an electromotor transmitted directly by the motor rotor drive shaft
    • 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
    • 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
    • A61M60/80—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
    • A61M60/829—Sealings between moving parts having a purge fluid supply
    • 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
    • A61M60/845—Constructional details other than related to driving of extracorporeal blood pumps
    • A61M60/849—Disposable parts
    • 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
    • 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
    • F04D13/04—Units comprising pumps and their driving means the pump being fluid driven
    • 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
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Mechanical Engineering (AREA)
  • Cardiology (AREA)
  • Hematology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Engineering & Computer Science (AREA)
  • Emergency Medicine (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • External Artificial Organs (AREA)
DE3851149T 1987-06-12 1988-06-07 Rotationspumpe mit anschlussteil. Expired - Fee Related DE3851149T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/062,137 US4844707A (en) 1987-06-12 1987-06-12 Rotary pump
PCT/US1988/001978 WO1988009874A1 (en) 1987-06-12 1988-06-07 Rotary pump with a coupling section
CA000585799A CA1322893C (en) 1987-06-12 1988-12-13 Rotary pump

Publications (2)

Publication Number Publication Date
DE3851149D1 DE3851149D1 (de) 1994-09-22
DE3851149T2 true DE3851149T2 (de) 1994-12-15

Family

ID=25672300

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3851149T Expired - Fee Related DE3851149T2 (de) 1987-06-12 1988-06-07 Rotationspumpe mit anschlussteil.

Country Status (6)

Country Link
US (1) US4844707A (de)
EP (1) EP0371985B1 (de)
AT (1) ATE110143T1 (de)
CA (1) CA1322893C (de)
DE (1) DE3851149T2 (de)
WO (1) WO1988009874A1 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3818890A1 (de) * 1988-06-03 1989-12-07 Ekato Ind Anlagen Verwalt Anordnung zur sicheren abdichtung der lagerung einer rotierenden welle mit zugehoerigem antriebselement
US5017103A (en) * 1989-03-06 1991-05-21 St. Jude Medical, Inc. Centrifugal blood pump and magnetic coupling
US5055005A (en) * 1990-10-05 1991-10-08 Kletschka Harold D Fluid pump with levitated impeller
US5564908A (en) * 1994-02-14 1996-10-15 Phillips Engineering Company Fluid pump having magnetic drive
US6024542A (en) 1994-02-14 2000-02-15 Phillips Engineering Co. Piston pump and method of reducing vapor lock
US5640983A (en) * 1996-02-05 1997-06-24 Butterworth Systems, Inc. Tank cleaning device
US7182727B2 (en) * 1997-07-11 2007-02-27 A—Med Systems Inc. Single port cardiac support apparatus
US6123725A (en) 1997-07-11 2000-09-26 A-Med Systems, Inc. Single port cardiac support apparatus
US6672409B1 (en) 2000-10-24 2004-01-06 The Charles Machine Works, Inc. Downhole generator for horizontal directional drilling
US6739413B2 (en) * 2002-01-15 2004-05-25 The Charles Machine Works, Inc. Using a rotating inner member to drive a tool in a hollow outer member
US7347283B1 (en) 2002-01-15 2008-03-25 The Charles Machine Works, Inc. Using a rotating inner member to drive a tool in a hollow outer member
ATE480274T1 (de) * 2007-10-08 2010-09-15 Ais Gmbh Aachen Innovative Sol Katheter-vorrichtung
US8439859B2 (en) 2007-10-08 2013-05-14 Ais Gmbh Aachen Innovative Solutions Catheter device
US8489190B2 (en) 2007-10-08 2013-07-16 Ais Gmbh Aachen Innovative Solutions Catheter device
JP4681625B2 (ja) * 2008-02-22 2011-05-11 三菱重工業株式会社 血液ポンプおよびポンプユニット
CA2808658C (en) 2010-08-20 2017-02-28 Thoratec Corporation Implantable blood pump
WO2012076632A1 (en) * 2010-12-07 2012-06-14 Lifebridge Medizintechnik Ag Method and system for filling and venting a device for extracorporeal blood treatment, with stepped flooding of a filter
DE102011013829A1 (de) 2011-03-11 2012-09-13 Ruhrpumpen Gmbh Spalttopf einer Magnetkupplung, insbesondere einer Magnetkupplungspumpe
KR20130061578A (ko) * 2011-12-01 2013-06-11 현대자동차주식회사 자동차의 워터펌프
WO2014036410A1 (en) 2012-08-31 2014-03-06 Thoratec Corporation Start-up algorithm for an implantable blood pump
WO2014036419A1 (en) 2012-08-31 2014-03-06 Thoratec Corporation Hall sensor mounting in an implantable blood pump
US20170312403A1 (en) 2016-04-27 2017-11-02 Sarah Elizabeth Hagarty Simple Closed Loop System for Direct Harvest and Transfer for High Volume Fat Grafting
US20200054824A1 (en) * 2017-05-05 2020-02-20 Sarah Elizabeth Hagarty A system for the harvest and transfer for high volume fat grafting using a centrifugal pump
EP4233989A3 (de) 2017-06-07 2023-10-11 Shifamed Holdings, LLC Intravaskuläre fluidbewegungsvorrichtungen, systeme und verwendungsverfahren
EP3710076B1 (de) 2017-11-13 2023-12-27 Shifamed Holdings, LLC Intravaskuläre fluidbewegungsvorrichtungen, systeme und verwendungsverfahren
WO2019139686A1 (en) 2018-01-10 2019-07-18 Tc1 Llc Bearingless implantable blood pump
EP4085965A1 (de) 2018-02-01 2022-11-09 Shifamed Holdings, LLC Intravaskuläre blutpumpen und verfahren zur verwendung und herstellung
CN109010970B (zh) * 2018-06-15 2021-03-05 西安交通大学医学院第一附属医院 用于心血管外科的泵装置
WO2021011473A1 (en) 2019-07-12 2021-01-21 Shifamed Holdings, Llc Intravascular blood pumps and methods of manufacture and use
WO2021016372A1 (en) 2019-07-22 2021-01-28 Shifamed Holdings, Llc Intravascular blood pumps with struts and methods of use and manufacture
WO2021062265A1 (en) 2019-09-25 2021-04-01 Shifamed Holdings, Llc Intravascular blood pump systems and methods of use and control thereof
US11891998B2 (en) 2022-05-03 2024-02-06 General Electric Company Radially coupled pump systems for pressurizing fluid in closed loop systems

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US28742A (en) * 1860-06-19 Machine foe
US2189081A (en) * 1938-10-19 1940-02-06 Good Humor Corp Of America Centrifugal pump
US3185873A (en) * 1961-10-19 1965-05-25 Morton M Rosenfeld Generator and ventilation means
US3321081A (en) * 1964-06-18 1967-05-23 Aquariums Inc Aquarium filter apparatus
US3306221A (en) * 1965-05-18 1967-02-28 Goodpasture Kenneth Wayne Magnet drive plastic pump
US3932068A (en) * 1966-10-04 1976-01-13 March Manufacturing Company Magnetically-coupled pump
US3420184A (en) * 1967-05-17 1969-01-07 Julius L Englesberg Pump employing magnetic drive
US3465681A (en) * 1967-08-24 1969-09-09 March Mfg Co Magnetically-coupled pump with detachable motor
US4037984A (en) * 1967-10-26 1977-07-26 Bio-Medicus, Inc. Pumping apparatus and process characterized by gentle operation
US3487784A (en) * 1967-10-26 1970-01-06 Edson Howard Rafferty Pumps capable of use as heart pumps
US3575536A (en) * 1969-02-07 1971-04-20 Jet Spray Cooler Inc Pump for beverage dispenser
US3647324A (en) * 1969-12-18 1972-03-07 Edson Howard Rafferty Electrically driven pumps capable of use as heart pumps
US3864055A (en) * 1971-12-06 1975-02-04 Harold D Kletschka Pumps capable of use as heart pumps and blood pumps
US3889489A (en) * 1974-08-23 1975-06-17 Gen Motors Corp Lubricated spline coupling
JPS51111902A (en) * 1975-03-26 1976-10-02 Iwaki:Kk Magnet pump
DE2534740C3 (de) * 1975-08-04 1983-02-03 Franz 4630 Bochum Klaus Spaltrohrkreiselpumpe
US4044567A (en) * 1975-09-02 1977-08-30 Texas Instruments Incorporated Modular, magnetically-coupled drive for a cryogenic refrigerator
US4065234A (en) * 1975-12-22 1977-12-27 Nihon Kagaku Kizai Kabushiki Kaisha Magnetically driven rotary pumps
US4135253A (en) * 1976-11-30 1979-01-23 Medtronic, Inc. Centrifugal blood pump for cardiac assist
US4165206A (en) * 1977-01-28 1979-08-21 Micropump Corporation Three gear pump with module construction
US4209207A (en) * 1978-07-03 1980-06-24 Barmag Barmer Maschinenfabrik Aktiengesellschaft Thrust bearing assembly
US4332524A (en) * 1979-11-29 1982-06-01 Dempster Industries, Inc. Bearing and filter arrangement for submersible pumps
US4390082A (en) * 1980-12-18 1983-06-28 Rotoflow Corporation Reserve lubricant supply system
US4526518A (en) * 1981-07-23 1985-07-02 Facet Enterprises, Inc. Fuel pump with magnetic drive
GB8313418D0 (en) * 1983-05-16 1983-06-22 Westland Plc Recirculating lubricating system
US4704121A (en) * 1983-09-28 1987-11-03 Nimbus, Inc. Anti-thrombogenic blood pump
US4643641A (en) * 1984-09-10 1987-02-17 Mici Limited Partnership Iv Method and apparatus for sterilization of a centrifugal pump
JPS61201899A (ja) * 1985-03-04 1986-09-06 Seiko Kakoki Kk 耐蝕ポンプ
US4704075A (en) * 1986-01-24 1987-11-03 Johnston Andrew E Turbocharger water-cooled bearing housing

Also Published As

Publication number Publication date
WO1988009874A1 (en) 1988-12-15
EP0371985B1 (de) 1994-08-17
ATE110143T1 (de) 1994-09-15
DE3851149D1 (de) 1994-09-22
EP0371985A4 (en) 1991-07-03
US4844707A (en) 1989-07-04
CA1322893C (en) 1993-10-12
EP0371985A1 (de) 1990-06-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee