DE69732557D1 - Rotationsblutpumpe - Google Patents
RotationsblutpumpeInfo
- Publication number
- DE69732557D1 DE69732557D1 DE69732557T DE69732557T DE69732557D1 DE 69732557 D1 DE69732557 D1 DE 69732557D1 DE 69732557 T DE69732557 T DE 69732557T DE 69732557 T DE69732557 T DE 69732557T DE 69732557 D1 DE69732557 D1 DE 69732557D1
- Authority
- DE
- Germany
- Prior art keywords
- hub
- inducer
- impeller
- diffuser
- flow straightener
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
- F16C17/08—Sliding-contact bearings for exclusively rotary movement for axial load only for supporting the end face of a shaft or other member, e.g. footstep 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
- A61M60/10—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
- A61M60/20—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
- A61M60/50—Details relating to control
- A61M60/508—Electronic control means, e.g. for feedback regulation
- A61M60/538—Regulation using real-time blood pump operational parameter data, e.g. motor current
-
- 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
- A61M60/855—Constructional details other than related to driving of implantable pumps or pumping devices
- A61M60/861—Connections or anchorings for connecting or anchoring pumps or pumping devices to parts of the patient's body
-
- 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
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US766886 | 1996-12-13 | ||
US08/766,886 US5947892A (en) | 1993-11-10 | 1996-12-13 | Rotary blood pump |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69732557D1 true DE69732557D1 (de) | 2005-03-31 |
DE69732557T2 DE69732557T2 (de) | 2006-03-16 |
Family
ID=25077831
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69732557T Expired - Lifetime DE69732557T2 (de) | 1996-12-13 | 1997-07-30 | Rotationsblutpumpe |
Country Status (10)
Country | Link |
---|---|
US (1) | US5947892A (de) |
EP (1) | EP0847767B1 (de) |
JP (1) | JP4077902B2 (de) |
KR (1) | KR20000057569A (de) |
AT (1) | ATE289522T1 (de) |
AU (1) | AU1853697A (de) |
CA (1) | CA2275228C (de) |
DE (1) | DE69732557T2 (de) |
TW (1) | TW362976B (de) |
WO (1) | WO1998025657A1 (de) |
Families Citing this family (122)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5957672A (en) * | 1993-11-10 | 1999-09-28 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Blood pump bearing system |
AUPO902797A0 (en) * | 1997-09-05 | 1997-10-02 | Cortronix Pty Ltd | A rotary blood pump with hydrodynamically suspended impeller |
US6250880B1 (en) * | 1997-09-05 | 2001-06-26 | Ventrassist Pty. Ltd | Rotary pump with exclusively hydrodynamically suspended impeller |
US6889082B2 (en) | 1997-10-09 | 2005-05-03 | Orqis Medical Corporation | Implantable heart assist system and method of applying same |
US6120537A (en) * | 1997-12-23 | 2000-09-19 | Kriton Medical, Inc. | Sealless blood pump with means for avoiding thrombus formation |
CA2260171A1 (en) * | 1999-01-22 | 2000-07-22 | Kriton Medical, Inc. | Sealless blood pump with means for avoiding thrombus formation |
US6123659A (en) * | 1999-01-26 | 2000-09-26 | Nimbus Inc. | Blood pump with profiled outflow region |
US6186665B1 (en) | 1999-01-26 | 2001-02-13 | Nimbus, Inc. | Motor rotor bearing assembly for a blood pump |
US6742999B1 (en) | 1999-04-20 | 2004-06-01 | Berlin Heart Ag | Device for delivering single-phase or multiphase fluids without altering the properties thereof |
US7022100B1 (en) | 1999-09-03 | 2006-04-04 | A-Med Systems, Inc. | Guidable intravascular blood pump and related methods |
JP5214836B2 (ja) * | 2000-03-27 | 2013-06-19 | ザ クリーブランド クリニック ファウンデーション | ターボ形血液ポンプ用長期性能制御システム |
US6530876B1 (en) | 2000-04-25 | 2003-03-11 | Paul A. Spence | Supplemental heart pump methods and systems for supplementing blood through the heart |
US6435832B1 (en) | 2000-04-27 | 2002-08-20 | Chemineer, Inc. | Hub assembly |
KR100392786B1 (ko) * | 2001-01-18 | 2003-07-28 | 주식회사 한돌펌프 | 공동현상 제거 구조의 펌프 인듀서 |
WO2002098283A2 (en) * | 2001-06-06 | 2002-12-12 | Medquest Products, Inc. | Apparatus and method for reducing heart pump backflow |
JP4288174B2 (ja) | 2002-01-07 | 2009-07-01 | マイクロメッド・テクノロジー・インコーポレイテッド | ポンプシステム |
WO2004002552A1 (en) * | 2002-06-26 | 2004-01-08 | Micromed Technology, Inc. | Method and system for physiologic control of a blood pump |
US7396327B2 (en) * | 2002-01-07 | 2008-07-08 | Micromed Technology, Inc. | Blood pump system and method of operation |
EP1469770B1 (de) | 2002-01-08 | 2010-10-27 | Micromed Technology, Inc. | System zum nachweis von ventrikelkollaps |
US7238151B2 (en) * | 2002-02-26 | 2007-07-03 | Frazier O Howard | Permanent heart assist system |
CA2374989A1 (en) * | 2002-03-08 | 2003-09-08 | Andre Garon | Ventricular assist device comprising a dual inlet hybrid flow blood pump |
US7241257B1 (en) * | 2002-06-28 | 2007-07-10 | Abbott Cardiovascular Systems, Inc. | Devices and methods to perform minimally invasive surgeries |
JP2004069166A (ja) * | 2002-08-06 | 2004-03-04 | Daikin Ind Ltd | 二相冷媒流用整流装置及び冷凍装置 |
US7258679B2 (en) * | 2002-08-09 | 2007-08-21 | Vascor, Inc. | Inflow conduit for ventricular assist device |
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US20040118686A1 (en) * | 2002-10-02 | 2004-06-24 | Jan Ma | Piezoelectric tubes |
US7118356B2 (en) * | 2002-10-02 | 2006-10-10 | Nanyang Technological University | Fluid pump with a tubular driver body capable of selective axial expansion and contraction |
US7229258B2 (en) * | 2003-09-25 | 2007-06-12 | Medforte Research Foundation | Streamlined unobstructed one-pass axial-flow pump |
US7070398B2 (en) * | 2003-09-25 | 2006-07-04 | Medforte Research Foundation | Axial-flow blood pump with magnetically suspended, radially and axially stabilized impeller |
US7273446B2 (en) | 2003-10-31 | 2007-09-25 | Spence Paul A | Methods, devices and systems for counterpulsation of blood flow to and from the circulatory system |
US20050187425A1 (en) * | 2004-01-14 | 2005-08-25 | Scout Medical Technologies, Llc | Left ventricular function assist system and method |
US7160243B2 (en) * | 2004-03-25 | 2007-01-09 | Terumo Corporation | Method and system for controlling blood pump flow |
US7591777B2 (en) * | 2004-05-25 | 2009-09-22 | Heartware Inc. | Sensorless flow estimation for implanted ventricle assist device |
US8419609B2 (en) | 2005-10-05 | 2013-04-16 | Heartware Inc. | Impeller for a rotary ventricular assist device |
US7972122B2 (en) * | 2005-04-29 | 2011-07-05 | Heartware, Inc. | Multiple rotor, wide blade, axial flow pump |
US7699586B2 (en) * | 2004-12-03 | 2010-04-20 | Heartware, Inc. | Wide blade, axial flow pump |
EP1831561B1 (de) * | 2004-12-29 | 2012-05-16 | Aspen Compressor, LLC. | Miniaturrotationskompressor und damit verwandte verfahren |
WO2006133209A1 (en) | 2005-06-06 | 2006-12-14 | The Cleveland Clinic Foundation | Blood pump |
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US20070142696A1 (en) | 2005-12-08 | 2007-06-21 | Ventrassist Pty Ltd | Implantable medical devices |
US8672611B2 (en) | 2006-01-13 | 2014-03-18 | Heartware, Inc. | Stabilizing drive for contactless rotary blood pump impeller |
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CA2636105C (en) * | 2006-01-27 | 2015-05-05 | Circulite, Inc | Heart assist system |
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-
1996
- 1996-12-13 US US08/766,886 patent/US5947892A/en not_active Expired - Lifetime
-
1997
- 1997-02-04 WO PCT/US1997/001653 patent/WO1998025657A1/en active IP Right Grant
- 1997-02-04 KR KR1019990705319A patent/KR20000057569A/ko active IP Right Grant
- 1997-02-04 AU AU18536/97A patent/AU1853697A/en not_active Abandoned
- 1997-02-04 CA CA002275228A patent/CA2275228C/en not_active Expired - Fee Related
- 1997-05-16 JP JP14352297A patent/JP4077902B2/ja not_active Expired - Fee Related
- 1997-06-28 TW TW086109086A patent/TW362976B/zh not_active IP Right Cessation
- 1997-07-30 AT AT97113108T patent/ATE289522T1/de active
- 1997-07-30 EP EP97113108A patent/EP0847767B1/de not_active Expired - Lifetime
- 1997-07-30 DE DE69732557T patent/DE69732557T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP4077902B2 (ja) | 2008-04-23 |
US5947892A (en) | 1999-09-07 |
CA2275228A1 (en) | 1998-06-18 |
WO1998025657A1 (en) | 1998-06-18 |
EP0847767A1 (de) | 1998-06-17 |
TW362976B (en) | 1999-07-01 |
DE69732557T2 (de) | 2006-03-16 |
JPH10179729A (ja) | 1998-07-07 |
ATE289522T1 (de) | 2005-03-15 |
CA2275228C (en) | 2004-11-16 |
EP0847767B1 (de) | 2005-02-23 |
AU1853697A (en) | 1998-07-03 |
KR20000057569A (ko) | 2000-09-25 |
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