JP6434423B2 - 遠心ポンプシステム - Google Patents
遠心ポンプシステム Download PDFInfo
- Publication number
- JP6434423B2 JP6434423B2 JP2015554807A JP2015554807A JP6434423B2 JP 6434423 B2 JP6434423 B2 JP 6434423B2 JP 2015554807 A JP2015554807 A JP 2015554807A JP 2015554807 A JP2015554807 A JP 2015554807A JP 6434423 B2 JP6434423 B2 JP 6434423B2
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- JP
- Japan
- Prior art keywords
- impeller
- centrifugal pump
- pump system
- drive transmission
- magnetic force
- 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.)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-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
- A61M60/419—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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1698—Blood oxygenators with or without 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
- A61M60/20—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
- A61M60/50—Details relating to control
- A61M60/508—Electronic control means, e.g. for feedback regulation
-
- 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
- F04D13/027—Details of the magnetic circuit
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
- H02K49/108—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with an axial air gap
-
- 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
- A61M1/3623—Means for actively controlling temperature of blood
-
- 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
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Mechanical Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Anesthesiology (AREA)
- Cardiology (AREA)
- General Engineering & Computer Science (AREA)
- Emergency Medicine (AREA)
- Urology & Nephrology (AREA)
- Power Engineering (AREA)
- Vascular Medicine (AREA)
- External Artificial Organs (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
Claims (7)
- ハウジング(26)と、前記ハウジング(26)内に回転可能に配置され、且つ磁気に反応するインペラ(28)と、を備える遠心ポンプ(11)、
及び前記インペラ(28)の軸方向に磁気的に引き合い又は反発し合いながら、駆動源(37)の回転力を前記インペラ(28)に伝達する駆動伝達部(34)を有し、
前記駆動伝達部(34)は、前記インペラ(28)又は前記駆動源(37)の回転速度に基づき前記インペラ(28)にかかる磁力を変動可能であり、
前記駆動伝達部(34)は、前記ハウジング(26)の下方に配置され、且つ前記インペラ(28)の第1回転速度時にかかる磁力よりも、前記インペラ(28)の前記第1回転速度よりも遅い第2回転速度時にかかる磁力を弱める
ことを特徴とする遠心ポンプシステム(10、10A〜10D)。 - 請求項1記載の遠心ポンプシステム(10、10A、10D)において、
前記駆動伝達部(34)を変位させ、前記インペラ(28)の前記第1回転速度における前記インペラ(28)と前記駆動伝達部(34)の間の離間距離よりも、前記インペラ(28)の前記第2回転速度における前記離間距離を長くする変位機構部(38)をさらに有する
ことを特徴とする遠心ポンプシステム(10、10A、10D)。 - 請求項2記載の遠心ポンプシステム(10、10A、10D)において、
前記駆動伝達部(34)は、前記インペラ(28)にかける磁力を供給電力により制御可能な電磁石(36b)を有し、
前記電磁石(36b)は、前記第2回転速度時の磁力よりも前記第1回転速度時の磁力を強めるように制御される
ことを特徴とする遠心ポンプシステム(10、10A、10D)。 - 請求項2又は3記載の遠心ポンプシステム(10、10A、10D)において、
前記変位機構部(38)は、前記駆動伝達部(34)と前記駆動源(37)を一体的に変位させる
ことを特徴とする遠心ポンプシステム(10、10A、10D)。 - ハウジング(26)と、前記ハウジング(26)内に回転可能に配置され、且つ磁気に反応するインペラ(28)と、を備える遠心ポンプ(11)、
及び前記インペラ(28)の軸方向に磁気的に引き合い又は反発し合いながら、駆動源(37)の回転力を前記インペラ(28)に伝達する駆動伝達部(34)を有し、
前記駆動伝達部(34)は、前記インペラ(28)又は前記駆動源(37)の回転速度に基づき前記インペラ(28)にかかる磁力を変動可能であり、
前記遠心ポンプ(11)は、
前記インペラ(28)の中央に設けられ、軸方向両端に軸端(66)を有するシャフト(62)と、
前記軸端(66)の各々をピボット支持する軸受(70)と、を備える
ことを特徴とする遠心ポンプシステム(10、10A〜10D)。 - 請求項5記載の遠心ポンプシステム(10A)において、
少なくとも一方の前記軸受(70)と前記ハウジング(26)との間の圧力又は荷重を検出する検出部(94)と、
検出された前記圧力又は前記荷重に基づき前記インペラ(28)にかかる磁力を変動させる制御部(45A)と、をさらに備える
ことを特徴とする遠心ポンプシステム(10A)。 - ハウジング(26)と、前記ハウジング(26)内に回転可能に配置され、且つ磁気に反応するインペラ(28)と、を備える遠心ポンプ(11)、
及び前記インペラ(28)の軸方向に磁気的に引き合い又は反発し合いながら、駆動源(37)の回転力を前記インペラ(28)に伝達する駆動伝達部(34)を有し、
前記駆動伝達部(34)は、前記インペラ(28)又は前記駆動源(37)の回転速度に基づき前記インペラ(28)にかかる磁力を変動可能であり、
前記インペラ(28)は、回転中心から回転半径方向外側に流体を流動させる複数の誘導路(84)を有し、
前記誘導路(84)は、前記インペラ(28)を構成する壁部(91)により周囲が囲われつつ、前記回転半径方向外側に向かって直線状に延在している
ことを特徴とする遠心ポンプシステム(10、10A〜10D)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013272872 | 2013-12-27 | ||
JP2013272872 | 2013-12-27 | ||
PCT/JP2014/083612 WO2015098709A1 (ja) | 2013-12-27 | 2014-12-18 | 遠心ポンプシステム |
Publications (2)
Publication Number | Publication Date |
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JPWO2015098709A1 JPWO2015098709A1 (ja) | 2017-03-23 |
JP6434423B2 true JP6434423B2 (ja) | 2018-12-05 |
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JP2015554807A Active JP6434423B2 (ja) | 2013-12-27 | 2014-12-18 | 遠心ポンプシステム |
Country Status (2)
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JP (1) | JP6434423B2 (ja) |
WO (1) | WO2015098709A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6208374B2 (ja) * | 2014-09-19 | 2017-10-04 | テルモ株式会社 | 遠心ポンプ |
TWI765069B (zh) | 2017-07-18 | 2022-05-21 | 德商費森尤斯醫療護理德國有限責任公司 | 廢液袋、廢液袋之排液方法、排放軟管系統及血液處理設備 |
DE102017122804A1 (de) * | 2017-09-29 | 2019-04-04 | Fresenius Medical Care Deutschland Gmbh | Medizinischer Pumpenantrieb, Pumpe und Blutbehandlungsvorrichtung |
JP7050534B2 (ja) * | 2018-03-08 | 2022-04-08 | テルモ株式会社 | ポンプ装置 |
WO2019173596A1 (en) | 2018-03-09 | 2019-09-12 | Boston Scientific Scimed, Inc. | Magnetic coupler for hemostatic rotor sealing |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2411739C (en) * | 2002-11-13 | 2006-06-13 | Jms Co., Ltd. | Turbo blood pump |
JP4759261B2 (ja) * | 2004-12-16 | 2011-08-31 | テルモ株式会社 | 遠心式血液ポンプ装置 |
JP2010041742A (ja) * | 2008-07-31 | 2010-02-18 | Asmo Co Ltd | アキシャル磁気浮上回転モータ及びアキシャル磁気浮上回転モータを用いたターボ形ポンプ |
JP5233491B2 (ja) * | 2008-08-06 | 2013-07-10 | 株式会社ニコン | 電子カメラ、データ配信方法およびサーバ |
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2014
- 2014-12-18 WO PCT/JP2014/083612 patent/WO2015098709A1/ja active Application Filing
- 2014-12-18 JP JP2015554807A patent/JP6434423B2/ja active Active
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JPWO2015098709A1 (ja) | 2017-03-23 |
WO2015098709A1 (ja) | 2015-07-02 |
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