BR112013021517A2 - blood pump - Google Patents

blood pump

Info

Publication number
BR112013021517A2
BR112013021517A2 BR112013021517A BR112013021517A BR112013021517A2 BR 112013021517 A2 BR112013021517 A2 BR 112013021517A2 BR 112013021517 A BR112013021517 A BR 112013021517A BR 112013021517 A BR112013021517 A BR 112013021517A BR 112013021517 A2 BR112013021517 A2 BR 112013021517A2
Authority
BR
Brazil
Prior art keywords
coupling part
base
annular coupling
vanes
space
Prior art date
Application number
BR112013021517A
Other languages
Portuguese (pt)
Other versions
BR112013021517B1 (en
Inventor
Masayoshi Omori
Original Assignee
Jms Co Ltd
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 Jms Co Ltd filed Critical Jms Co Ltd
Publication of BR112013021517A2 publication Critical patent/BR112013021517A2/en
Publication of BR112013021517B1 publication Critical patent/BR112013021517B1/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
    • 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
    • F04D13/027—Details of the magnetic circuit
    • 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
    • A61M60/109—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body incorporated within extracorporeal blood circuits or systems
    • A61M60/113—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body incorporated within extracorporeal blood circuits or systems in other functional devices, e.g. dialysers or heart-lung machines
    • 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
    • A61M60/80—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
    • F04D13/021—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
    • F04D13/025—Details of the can separating the pump and drive area
    • 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
    • F04D13/026—Details of the 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/046—Bearings
    • F04D29/0467—Spherical bearings

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Cardiology (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Anesthesiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Engineering & Computer Science (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • External Artificial Organs (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

resumo patente de invenção: "turbobomba de sangue". a presente invenção refere-se a um impulsor (5), que é rotativamente suportado em uma câmara de bomba (2), inclui várias palhetas (6), as extremidades periféricas internas de algumas das palhetas são acopladas a um eixo de rotação (7) e a extremidade periférica externa de cada uma das palhetas é acoplada a uma parte de acoplamento anular (8). uma base (17) é formada projetando uma parede de fundo de um alojamento (1) ascendentemente, e tem uma superfície periférica externa cilíndrica que corresponde a um espaço dentro da parte de acoplamento anular. um mancal inferior (10) para suportar a extremidade inferior do eixo de rotação do impulsor é fornecido na superfície de topo da base. um elemento de vedação (20) é colocado abaixo das palhetas e veda um espaço dentro da parte de acoplamento anular enquanto deixa uma abertura (21) em torno da rotação. o diâmetro d da base e a largura do espaço radial cr entre a parte de acoplamento anular e a base satisfazem as relações 13,5 mm ? d ? 15,0 mm, e 0,20 ? cr/d ? 0,28. a hemólise causada por tensão de cisalhamento devido à rotação de impulsor é suprimida enquanto assegura o efeito de aumentar a taxa de fluxo na vizinhança do mancal inferior pelo elemento de vedação. 1/1Patent Summary: "Blood Turbopump". The present invention relates to an impeller (5), which is rotatably supported in a pump chamber (2), includes several vanes (6), the inner peripheral ends of some of the vanes being coupled to a rotation axis (7). ) and the outer peripheral end of each vane is coupled to an annular coupling part (8). a base (17) is formed by projecting a bottom wall of an upwardly housing (1), and has a cylindrical outer peripheral surface corresponding to a space within the annular coupling part. a lower bearing (10) to support the lower end of the impeller rotation shaft is provided on the top surface of the base. a sealing element (20) is placed below the vanes and seals a space within the annular coupling part while leaving an opening (21) around the rotation. Does the diameter d of the base and the width of the radial space cr between the annular coupling part and the base meet the ratios 13.5 mm? d? 15.0 mm, and 0.20? cr / d? 0.28. hemolysis caused by shear stress due to impeller rotation is suppressed while ensuring the effect of increasing the flow rate in the vicinity of the lower bearing by the sealing member. 1/1

BR112013021517-8A 2011-02-24 2012-02-22 blood turbine BR112013021517B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011-038582 2011-02-24
JP2011038582 2011-02-24
PCT/JP2012/054287 WO2012115155A1 (en) 2011-02-24 2012-02-22 Turbo blood pump

Publications (2)

Publication Number Publication Date
BR112013021517A2 true BR112013021517A2 (en) 2016-11-01
BR112013021517B1 BR112013021517B1 (en) 2020-12-08

Family

ID=46720931

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013021517-8A BR112013021517B1 (en) 2011-02-24 2012-02-22 blood turbine

Country Status (3)

Country Link
JP (1) JP5590213B2 (en)
BR (1) BR112013021517B1 (en)
WO (1) WO2012115155A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3066361A1 (en) 2017-06-07 2018-12-13 Shifamed Holdings, Llc Intravascular fluid movement devices, systems, and methods of use
EP3710076B1 (en) 2017-11-13 2023-12-27 Shifamed Holdings, LLC Intravascular fluid movement devices, systems, and methods of use
US10722631B2 (en) 2018-02-01 2020-07-28 Shifamed Holdings, Llc Intravascular blood pumps and methods of use and manufacture
WO2020146821A1 (en) * 2019-01-10 2020-07-16 Burgreen Gregory W Passively flushed bearing for cardiovascular turbomachinery
JP2022540616A (en) 2019-07-12 2022-09-16 シファメド・ホールディングス・エルエルシー Intravascular blood pump and methods of manufacture and use
US11654275B2 (en) 2019-07-22 2023-05-23 Shifamed Holdings, Llc Intravascular blood pumps with struts and methods of use and manufacture
US11724089B2 (en) 2019-09-25 2023-08-15 Shifamed Holdings, Llc Intravascular blood pump systems and methods of use and control thereof
JP2022049096A (en) * 2020-09-16 2022-03-29 株式会社ジェイ・エム・エス Centrifugal blood pump

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11244376A (en) * 1998-02-27 1999-09-14 Kyocera Corp Blood pump
JP2006218010A (en) * 2005-02-09 2006-08-24 Hideo Hoshi Blood pump and dynamic pressure bearing
JP4655231B2 (en) * 2007-01-30 2011-03-23 株式会社ジェイ・エム・エス Turbo blood pump
JP5215580B2 (en) * 2007-03-28 2013-06-19 三菱重工業株式会社 Artificial heart pump
JP5267227B2 (en) * 2009-03-09 2013-08-21 株式会社ジェイ・エム・エス Turbo blood pump

Also Published As

Publication number Publication date
JPWO2012115155A1 (en) 2014-07-07
WO2012115155A1 (en) 2012-08-30
JP5590213B2 (en) 2014-09-17
BR112013021517B1 (en) 2020-12-08

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 22/02/2012, OBSERVADAS AS CONDICOES LEGAIS.