DE69407869D1 - Künstliches, in einen Herzventrikel implantiertes Hilfsherz - Google Patents

Künstliches, in einen Herzventrikel implantiertes Hilfsherz

Info

Publication number
DE69407869D1
DE69407869D1 DE69407869T DE69407869T DE69407869D1 DE 69407869 D1 DE69407869 D1 DE 69407869D1 DE 69407869 T DE69407869 T DE 69407869T DE 69407869 T DE69407869 T DE 69407869T DE 69407869 D1 DE69407869 D1 DE 69407869D1
Authority
DE
Germany
Prior art keywords
artificial auxiliary
cardiac ventricle
auxiliary heart
heart implanted
implanted
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 - Lifetime
Application number
DE69407869T
Other languages
English (en)
Other versions
DE69407869T2 (de
Inventor
Kenji Yamazaki
Toshio Mori
Haruo Iiyama
Shunichi Yamazaki
Nobutaka Ito
Osami Miyao
Masanori Hori
Yukio Iwasaki
Hitoshi Adachi
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.)
Seiko Epson Corp
Sun Medical Technology Research Corp
Original Assignee
Seiko Epson Corp
Sun Medical Technology Research Corp
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 Seiko Epson Corp, Sun Medical Technology Research Corp filed Critical Seiko Epson Corp
Publication of DE69407869D1 publication Critical patent/DE69407869D1/de
Application granted granted Critical
Publication of DE69407869T2 publication Critical patent/DE69407869T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A61M60/80—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
    • A61M60/10—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
    • A61M60/17—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart inside a ventricle, e.g. intraventricular balloon 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
    • A61M60/165—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart
    • A61M60/17—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart inside a ventricle, e.g. intraventricular balloon pumps
    • A61M60/174—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart inside a ventricle, e.g. intraventricular balloon pumps discharging the blood to the ventricle or arterial system via a cannula internal to the ventricle or arterial system
    • 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
    • A61M60/408—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
    • A61M60/81—Pump housings
    • A61M60/812—Vanes or blades, e.g. static flow guides
    • 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
    • A61M60/855—Constructional details other than related to driving of implantable pumps or pumping devices
    • A61M60/871—Energy supply devices; Converters therefor
    • A61M60/873—Energy supply devices; Converters therefor specially adapted for wireless or transcutaneous energy transfer [TET], e.g. inductive charging
    • 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
    • A61M60/80—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

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Cardiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Mechanical Engineering (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Anesthesiology (AREA)
  • Veterinary Medicine (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • External Artificial Organs (AREA)
  • Sliding-Contact Bearings (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Sealing Of Bearings (AREA)
  • Prostheses (AREA)
DE69407869T 1993-06-03 1994-04-15 Künstliches, in einen Herzventrikel implantiertes Hilfsherz Expired - Lifetime DE69407869T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5157993A JPH06346917A (ja) 1993-06-03 1993-06-03 一方向性動圧軸受を用いた耐圧防水シ−ル機構

Publications (2)

Publication Number Publication Date
DE69407869D1 true DE69407869D1 (de) 1998-02-19
DE69407869T2 DE69407869T2 (de) 1998-04-30

Family

ID=15661903

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69407869T Expired - Lifetime DE69407869T2 (de) 1993-06-03 1994-04-15 Künstliches, in einen Herzventrikel implantiertes Hilfsherz

Country Status (4)

Country Link
EP (1) EP0629412B1 (de)
JP (1) JPH06346917A (de)
AU (1) AU665899B2 (de)
DE (1) DE69407869T2 (de)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5911685A (en) * 1996-04-03 1999-06-15 Guidant Corporation Method and apparatus for cardiac blood flow assistance
DE19613564C1 (de) * 1996-04-04 1998-01-08 Guenter Prof Dr Rau Intravasale Blutpumpe
US5964694A (en) * 1997-04-02 1999-10-12 Guidant Corporation Method and apparatus for cardiac blood flow assistance
US6532964B2 (en) 1997-07-11 2003-03-18 A-Med Systems, Inc. Pulmonary and circulatory blood flow support devices and methods for heart surgery procedures
US6123725A (en) 1997-07-11 2000-09-26 A-Med Systems, Inc. Single port cardiac support apparatus
DE10059714C1 (de) * 2000-12-01 2002-05-08 Impella Cardiotech Ag Intravasale Pumpe
US6579223B2 (en) 2001-08-13 2003-06-17 Arthur Palmer Blood pump
US7470246B2 (en) 2002-12-17 2008-12-30 Terumo Kabushiki Kaisha Centrifugal blood pump apparatus
US7216871B1 (en) 2004-05-04 2007-05-15 Advanced Components & Materials, Inc. Non-contacting seal for rotating surfaces
WO2006047620A2 (en) 2004-10-25 2006-05-04 Arthur Palmer Method for making a blood pump and pumping blood
WO2008140451A1 (en) * 2007-05-14 2008-11-20 Rexnord Industries Llc Non-contacting seal for rotating surfaces
EP2194278A1 (de) 2008-12-05 2010-06-09 ECP Entwicklungsgesellschaft mbH Fluidpumpe mit einem rotor
EP2216059A1 (de) 2009-02-04 2010-08-11 ECP Entwicklungsgesellschaft mbH Kathetereinrichtung mit einem Katheter und einer Betätigungseinrichtung
EP2229965A1 (de) 2009-03-18 2010-09-22 ECP Entwicklungsgesellschaft mbH Fluidpumpe mit besonderer Gestaltung eines Rotorblattes
EP2248544A1 (de) 2009-05-05 2010-11-10 ECP Entwicklungsgesellschaft mbH Im Durchmesser veränderbare Fluidpumpe, insbesondere für die medizinische Verwendung
EP2266640A1 (de) 2009-06-25 2010-12-29 ECP Entwicklungsgesellschaft mbH Komprimierbares und expandierbares Schaufelblatt für eine Fluidpumpe
EP2282070B1 (de) 2009-08-06 2012-10-17 ECP Entwicklungsgesellschaft mbH Kathetereinrichtung mit einer Ankopplungseinrichtung für eine Antriebseinrichtung
EP2298372A1 (de) 2009-09-22 2011-03-23 ECP Entwicklungsgesellschaft mbH Rotor für eine Axialpumpe zur Förderung eines Fluids
DK3441616T3 (da) 2009-09-22 2023-05-30 Ecp Entw Mbh Komprimerbar rotor til en fluidpumpe
EP2298371A1 (de) 2009-09-22 2011-03-23 ECP Entwicklungsgesellschaft mbH Funktionselement, insbesondere Fluidpumpe, mit einem Gehäuse und einem Förderelement
EP2314331B1 (de) 2009-10-23 2013-12-11 ECP Entwicklungsgesellschaft mbH Katheterpumpenanordnung und flexible Wellenanordnung mit einer Seele
EP2314330A1 (de) 2009-10-23 2011-04-27 ECP Entwicklungsgesellschaft mbH Flexible Wellenanordnung
EP2338539A1 (de) 2009-12-23 2011-06-29 ECP Entwicklungsgesellschaft mbH Pumpeneinrichtung mit einer Detektionseinrichtung
EP2338540A1 (de) 2009-12-23 2011-06-29 ECP Entwicklungsgesellschaft mbH Förderschaufel für einen komprimierbaren Rotor
EP2338541A1 (de) 2009-12-23 2011-06-29 ECP Entwicklungsgesellschaft mbH Radial komprimierbarer und expandierbarer Rotor für eine Fluidpumpe
EP2347778A1 (de) 2010-01-25 2011-07-27 ECP Entwicklungsgesellschaft mbH Fluidpumpe mit einem radial komprimierbaren Rotor
EP2363157A1 (de) 2010-03-05 2011-09-07 ECP Entwicklungsgesellschaft mbH Vorrichtung zur mechanischen Einwirkung auf ein Medium, insbesondere Fluidpumpe
EP2388029A1 (de) 2010-05-17 2011-11-23 ECP Entwicklungsgesellschaft mbH Pumpenanordnung
EP2399639A1 (de) 2010-06-25 2011-12-28 ECP Entwicklungsgesellschaft mbH System zum einführen einer pumpe
EP2407186A1 (de) 2010-07-15 2012-01-18 ECP Entwicklungsgesellschaft mbH Rotor für eine Pumpe, hergestellt mit einem ersten, elastischen Werkstoff
EP2407187A3 (de) 2010-07-15 2012-06-20 ECP Entwicklungsgesellschaft mbH Blutpumpe für die invasive Anwendung innerhalb eines Körpers eines Patienten
EP2407185A1 (de) 2010-07-15 2012-01-18 ECP Entwicklungsgesellschaft mbH Radial komprimierbarer und expandierbarer Rotor für eine Pumpe mit einem Schaufelblatt
EP2422735A1 (de) 2010-08-27 2012-02-29 ECP Entwicklungsgesellschaft mbH Implantierbare Blutfördereinrichtung, Manipulationseinrichtung sowie Koppeleinrichtung
EP2497521A1 (de) 2011-03-10 2012-09-12 ECP Entwicklungsgesellschaft mbH Schubvorrichtung zum axialen Einschieben eines strangförmigen, flexiblen Körpers
EP2564771A1 (de) 2011-09-05 2013-03-06 ECP Entwicklungsgesellschaft mbH Medizinprodukt mit einem Funktionselement zum invasiven Einsatz im Körper eines Patienten
US8926492B2 (en) 2011-10-11 2015-01-06 Ecp Entwicklungsgesellschaft Mbh Housing for a functional element
JP6209787B2 (ja) * 2013-11-28 2017-10-11 三菱重工業株式会社 シール構造及び回転機械
DK3554576T3 (da) * 2016-12-19 2023-12-18 Abiomed Inc Hjertepumpe med passivt rensesystem
WO2018147815A1 (en) * 2017-02-09 2018-08-16 Ruangtaweesittikul Adulwit Teflon coated oil seal ring for hydraulic rod seals
JP6955237B2 (ja) * 2017-12-06 2021-10-27 株式会社サンメディカル技術研究所 補助人工心臓システム及び血液ポンプ用コントローラ
DE102018201030A1 (de) 2018-01-24 2019-07-25 Kardion Gmbh Magnetkuppelelement mit magnetischer Lagerungsfunktion
DE102018207611A1 (de) 2018-05-16 2019-11-21 Kardion Gmbh Rotorlagerungssystem
DE102018211327A1 (de) 2018-07-10 2020-01-16 Kardion Gmbh Laufrad für ein implantierbares, vaskuläres Unterstützungssystem
CN110075377B (zh) * 2019-06-26 2019-10-08 上海微创医疗器械（集团）有限公司 磁液悬浮式血泵
DE102020102474A1 (de) 2020-01-31 2021-08-05 Kardion Gmbh Pumpe zum Fördern eines Fluids und Verfahren zum Herstellen einer Pumpe
EP4161625A4 (de) * 2020-06-08 2024-05-22 White Swell Medical Ltd Nichtthrombogene vorrichtungen zur behandlung von ödemen
CN117018426A (zh) * 2020-09-28 2023-11-10 苏州恒瑞宏远医疗科技有限公司 一种心脏血泵
US20220161019A1 (en) * 2020-11-20 2022-05-26 Kardion Gmbh Purgeless mechanical circulatory support system with magnetic drive

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4625712A (en) * 1983-09-28 1986-12-02 Nimbus, Inc. High-capacity intravascular blood pump utilizing percutaneous access
DE3780847T2 (de) * 1986-04-08 1993-03-11 Ebara Corp Pumpe.
US4908012A (en) * 1988-08-08 1990-03-13 Nimbus Medical, Inc. Chronic ventricular assist system
US4927407A (en) * 1989-06-19 1990-05-22 Regents Of The University Of Minnesota Cardiac assist pump with steady rate supply of fluid lubricant
ATE95349T1 (de) * 1989-07-24 1993-10-15 Ebara Corp Spindelmotor.
US5118264A (en) * 1990-01-11 1992-06-02 The Cleveland Clinic Foundation Purge flow control in rotary blood pumps
JPH0636821B2 (ja) * 1990-03-08 1994-05-18 健二 山崎 体内埋設形の補助人工心臓

Also Published As

Publication number Publication date
AU665899B2 (en) 1996-01-18
JPH06346917A (ja) 1994-12-20
AU5945694A (en) 1995-01-12
EP0629412A2 (de) 1994-12-21
EP0629412B1 (de) 1998-01-14
EP0629412A3 (de) 1995-03-29
DE69407869T2 (de) 1998-04-30

Similar Documents

Publication Publication Date Title
DE69407869T2 (de) Künstliches, in einen Herzventrikel implantiertes Hilfsherz
DE69825566D1 (de) Implantierbarer herzschrittmacher
DE68906832D1 (de) Herzklappenprothese.
DE69111216D1 (de) Zweikammer demand-herzschrittmacher.
ATA143089A (de) Herzschrittmacher
DE69210380D1 (de) Implantierbarer Defibrillator
DE69102709D1 (de) In einem blutgefäss implantierbare elektrode.
DE69105139D1 (de) Herzschrittmacher mit optimierter stimulierungsfrequenzan- passung.
IT8648642A0 (it) Perfezionamento negli impianti di stimolazione cardiaca mediante pacemaker
BR9204120A (pt) Valvula cardiaca artificial
DE69410627T2 (de) Implantierbarer herzschrittmacher mit einem flachen kondensator
FR2699413B1 (fr) Stimulateur cardiaque implantable.
IT9067125A0 (it) Protesi valvolare cardiaca
FR2530474B1 (fr) Prothese stimulatrice tissulaire implantable, notamment prothese cochleaire
DE69428177T2 (de) Medizinisches Gerät, insbesondere implantierbarer Defibrillator, mit integrierten Aufzeichnungsfunktionen von Holter
DK0436154T3 (da) Transkutant, implanterbart kateter
DE69430714T2 (de) Implantierbarer Zweikammer-Defibrillator/Kardiovertierer mit Herzrhythmusklassifizierung
DE69824170D1 (de) Ratenstabilisierender herzschrittmacher
DE3882250D1 (de) Herzdefibrillator.
DE59208828D1 (de) Implantierbarer Defibrillator
EP0640359A3 (de) Energiesparender Herzschrittmacher mit mehreren Sensoren.
DE69919787D1 (de) Multi-Ort, parameter- gesteuerter, implantierbarer Herzschrittmacher / Defribrillator
BR9205809A (pt) Válvula cardíaca protética
DE3852893D1 (de) Herzschrittmacher.
DE68909239D1 (de) Implantierbare Prothese.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition