JP6533047B2 - 医療用遠心ポンプ及び該医療用遠心ポンプを有する人工補助心臓 - Google Patents
医療用遠心ポンプ及び該医療用遠心ポンプを有する人工補助心臓 Download PDFInfo
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- JP6533047B2 JP6533047B2 JP2014196766A JP2014196766A JP6533047B2 JP 6533047 B2 JP6533047 B2 JP 6533047B2 JP 2014196766 A JP2014196766 A JP 2014196766A JP 2014196766 A JP2014196766 A JP 2014196766A JP 6533047 B2 JP6533047 B2 JP 6533047B2
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- pump
- impeller
- base
- centrifugal pump
- pump base
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- 210000001124 body fluid Anatomy 0.000 claims description 24
- 239000010839 body fluid Substances 0.000 claims description 23
- 239000011553 magnetic fluid Substances 0.000 claims description 21
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 2
- 239000008280 blood Substances 0.000 description 18
- 210000004369 blood Anatomy 0.000 description 18
- 102000004169 proteins and genes Human genes 0.000 description 10
- 108090000623 proteins and genes Proteins 0.000 description 10
- 230000037431 insertion Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 239000012809 cooling fluid Substances 0.000 description 3
- 230000036425 denaturation Effects 0.000 description 3
- 238000004925 denaturation Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000005389 magnetism Effects 0.000 description 3
- 230000004087 circulation Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000017531 blood circulation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000004064 dysfunction Effects 0.000 description 1
- 238000003505 heat denaturation Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3666—Cardiac or cardiopulmonary bypass, e.g. 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
- A61M60/10—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
- A61M60/10—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
- A61M60/196—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body replacing the entire heart, e.g. total artificial hearts [TAH]
-
- 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
- A61M60/226—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 radial components
- A61M60/232—Centrifugal 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
-
- 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
- F04D29/08—Sealings
- F04D29/16—Sealings between pressure and suction sides
- F04D29/165—Sealings between pressure and suction sides especially adapted for liquid pumps
- F04D29/167—Sealings between pressure and suction sides especially adapted for liquid pumps of a centrifugal flow wheel
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/36—General characteristics of the apparatus related to heating or cooling
- A61M2205/3606—General characteristics of the apparatus related to heating or cooling cooled
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/36—General characteristics of the apparatus related to heating or cooling
- A61M2205/366—General characteristics of the apparatus related to heating or cooling by liquid heat exchangers
-
- 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
-
- 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
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/50—Intrinsic material properties or characteristics
- F05D2300/507—Magnetic properties
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Cardiology (AREA)
- Mechanical Engineering (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- General Engineering & Computer Science (AREA)
- Pulmonology (AREA)
- External Artificial Organs (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
2 回転軸
21 軸本体
22 筒状体
3 駆動部
4 ポンプ基体
41 回転軸挿通部
4a ポンプ基体の上面
5 ハウジング
6 インペラ
61 基部
61a 基部の底面
62 翼
7 磁性流体
C ポンプ室
I 吸入口
O 吐出口
S1 ポンプ基体とインペラとの間の間隙
S2 ポンプ基体と回転軸との間の間隙
S3 回転軸とインペラとの間の間隙
Claims (3)
- 回転軸と、
前記回転軸を回転させる駆動部を有するポンプ基体と、
吸入口と吐出口とを有し、前記ポンプ基体とで前記吸入口から吸入した体液が流入するポンプ室を形成するハウジングと、
前記ポンプ室内に収容され、前記回転軸を軸とするインペラとを備えた遠心ポンプであって、
前記ポンプ基体に磁気発生源を有し、
前記回転軸は前記ポンプ基体から前記ポンプ室に突出し、回転可能に前記ポンプ基体に軸支され、
前記ポンプ基体、前記回転軸、及び前記インペラとの間に形成された間隙のうち、少なくとも1箇所に磁性流体が配置され、
前記ポンプ基体と前記インペラとの間に形成された間隙のうち、前記インペラの外周側に前記磁性流体が配置された
医療用遠心ポンプ。 - 前記駆動部がモータであり、前記磁気発生源が前記モータである請求項1に記載の医療用遠心ポンプ。
- 請求項1または2に記載の医療用遠心ポンプを有し、前記駆動部がモータであり、前記ポンプ基体及び前記ハウジングが体内に埋め込み可能に形成された人工補助心臓。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014196766A JP6533047B2 (ja) | 2014-09-26 | 2014-09-26 | 医療用遠心ポンプ及び該医療用遠心ポンプを有する人工補助心臓 |
US15/513,816 US10478541B2 (en) | 2014-09-26 | 2015-09-24 | Centrifugal pump for medical use and artificial heart assist device having centrifugal pump for medical use |
DE112015004388.8T DE112015004388B4 (de) | 2014-09-26 | 2015-09-24 | Zentrifugalpumpe für medizinischen gebrauch und kunstherzunterstützungsvorrichtung mit einer zentrifugalpumpe für medizinischen gebrauch |
PCT/JP2015/076925 WO2016047687A1 (ja) | 2014-09-26 | 2015-09-24 | 医療用遠心ポンプ及び該医療用遠心ポンプを有する人工補助心臓 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014196766A JP6533047B2 (ja) | 2014-09-26 | 2014-09-26 | 医療用遠心ポンプ及び該医療用遠心ポンプを有する人工補助心臓 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016067376A JP2016067376A (ja) | 2016-05-09 |
JP6533047B2 true JP6533047B2 (ja) | 2019-06-19 |
Family
ID=55581210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014196766A Active JP6533047B2 (ja) | 2014-09-26 | 2014-09-26 | 医療用遠心ポンプ及び該医療用遠心ポンプを有する人工補助心臓 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10478541B2 (ja) |
JP (1) | JP6533047B2 (ja) |
DE (1) | DE112015004388B4 (ja) |
WO (1) | WO2016047687A1 (ja) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0417862A (ja) * | 1990-05-11 | 1992-01-22 | Toshiba Corp | 血流ポンプ |
JP3853865B2 (ja) | 1996-01-31 | 2006-12-06 | テルモ株式会社 | 遠心式血液ポンプ装置 |
US6152704A (en) * | 1998-09-30 | 2000-11-28 | A-Med Systems, Inc. | Blood pump with turbine drive |
DE20007582U1 (de) * | 1999-04-20 | 2000-09-28 | Mediport Kardiotechnik GmbH, 12247 Berlin | Vorrichtung zur axialen Förderung von fluiden Medien |
WO2000062842A1 (de) * | 1999-04-20 | 2000-10-26 | Berlin Heart Ag | Vorrichtung zur axialen förderung von fluiden medien |
CN202236531U (zh) * | 2010-03-12 | 2012-05-30 | 缪新元 | 一种由电机经轴驱动转动体的血泵 |
EP2692369B1 (en) | 2012-07-31 | 2015-04-15 | Rheinisch-Westfälische Technische Hochschule Aachen | Axial flow blood pump device |
-
2014
- 2014-09-26 JP JP2014196766A patent/JP6533047B2/ja active Active
-
2015
- 2015-09-24 DE DE112015004388.8T patent/DE112015004388B4/de active Active
- 2015-09-24 US US15/513,816 patent/US10478541B2/en active Active
- 2015-09-24 WO PCT/JP2015/076925 patent/WO2016047687A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US20170296721A1 (en) | 2017-10-19 |
US10478541B2 (en) | 2019-11-19 |
DE112015004388B4 (de) | 2021-03-25 |
WO2016047687A1 (ja) | 2016-03-31 |
DE112015004388T5 (de) | 2017-06-01 |
JP2016067376A (ja) | 2016-05-09 |
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