JP7123060B2 - ポンプ装置 - Google Patents
ポンプ装置 Download PDFInfo
- Publication number
- JP7123060B2 JP7123060B2 JP2019539477A JP2019539477A JP7123060B2 JP 7123060 B2 JP7123060 B2 JP 7123060B2 JP 2019539477 A JP2019539477 A JP 2019539477A JP 2019539477 A JP2019539477 A JP 2019539477A JP 7123060 B2 JP7123060 B2 JP 7123060B2
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- repulsion
- impeller
- pump device
- housing
- 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.)
- Active
Links
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
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
- F04D29/048—Bearings magnetic; electromagnetic
-
- 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
- A61M60/10—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
- A61M60/20—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
- A61M60/419—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
- A61M60/40—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
-
- 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
-
- 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
- A61M60/82—Magnetic 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
- A61M60/802—Constructional details other than related to driving of non-positive displacement blood pumps
- A61M60/818—Bearings
- A61M60/824—Hydrodynamic or fluid film 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
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal 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
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
-
- 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
- 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
- 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
-
- 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
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0666—Units comprising pumps and their driving means the pump being electrically driven the motor being of the plane gap type
-
- 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
- F04D29/047—Bearings hydrostatic; hydrodynamic
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
-
- 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
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0406—Magnetic bearings
- F16C32/0408—Passive magnetic bearings
- F16C32/0423—Passive magnetic bearings with permanent magnets on both parts repelling each other
- F16C32/0425—Passive magnetic bearings with permanent magnets on both parts repelling each other for radial load mainly
-
- 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
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0406—Magnetic bearings
- F16C32/044—Active magnetic bearings
- F16C32/0474—Active magnetic bearings for rotary movement
-
- 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
- H02K49/106—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with a radial air gap
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
-
- 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
- F16C2316/00—Apparatus in health or amusement
- F16C2316/10—Apparatus in health or amusement in medical appliances, e.g. in diagnosis, dentistry, instruments, prostheses, medical imaging appliances
- F16C2316/18—Pumps for pumping blood
Description
図5に示す第1変形例に係るポンプ装置10Aは、磁気カップリング機構76Aの径方向内側且つ下方側に反発機構78Aを設けた点で、ポンプ装置10と異なる。
図6に示す第2変形例に係るポンプ装置10Bは、固定側反発磁石44、従動磁石54、可動側反発磁石56、駆動磁石64の各々について、円弧状に構成された磁石を複数組み合わせて環状の磁石群に形成した点で、ポンプ装置10、10Aと異なる。
Claims (10)
- 第1反発磁石が環状に配置されたインペラと、
前記インペラが回転自在に収容されると共に、前記インペラの回転軸に対向する流入口を介して流体が流入される内部空間を有し、且つ第2反発磁石が環状に配置されたハウジングと、を備え、
前記第2反発磁石は、前記第1反発磁石に対して前記流入口側にオフセットされた位置に配置され、
前記第1反発磁石と前記第2反発磁石は、相互に近接し合う磁極面の極性が同一であり、
前記ハウジングは、
前記インペラの回転軸に重なる位置に配置され、前記流入口の方向に向かって突出して前記インペラを回転自在に軸支し、前記インペラの下方向への変位を抑制する軸支部と、
前記内部空間の底部に設けられ、前記インペラを非接触に回転させる動圧軸受と、を有する
ことを特徴とするポンプ装置。 - 請求項1記載のポンプ装置において、
前記第2反発磁石は、前記第1反発磁石に対して前記回転軸に直交する径方向にオフセットされた位置に配置される
ことを特徴とするポンプ装置。 - 請求項2記載のポンプ装置において、
前記第1反発磁石及び前記第2反発磁石の少なくとも一方は、外周部の全周にわたって第1極性が着磁され、且つ内周部の全周にわたって前記第1極性と反対の極性である第2極性が着磁されたリング体である
ことを特徴とするポンプ装置。 - 請求項1~3のいずれか1項に記載のポンプ装置において、
前記ハウジングは、駆動磁石を回転させるモータ機構を備え、
前記インペラは、前記駆動磁石との間で磁気カップリング機構を形成し、前記駆動磁石の回転に連れて該インペラを回転させる従動磁石を有する
ことを特徴とするポンプ装置。 - 請求項4記載のポンプ装置において、
前記第1反発磁石と前記第2反発磁石が所定以上近づいた際の、該第1反発磁石と該第2反発磁石の間の反発力、及び前記磁気カップリング機構の磁気カップリング力を足した力が、前記流体の流体力よりも大きい
ことを特徴とするポンプ装置。 - 請求項4又は5記載のポンプ装置において、
前記第1反発磁石と前記第2反発磁石とで構成される反発機構は、前記磁気カップリング機構よりも径方向外側に設けられる
ことを特徴とするポンプ装置。 - 請求項4~6のいずれか1項に記載のポンプ装置において、
前記第1反発磁石と前記第2反発磁石とで構成される反発機構は、前記磁気カップリング機構よりも前記流入口側に設けられる
ことを特徴とするポンプ装置。 - 請求項4~7のいずれか1項に記載のポンプ装置において、
前記第1反発磁石及び前記第2反発磁石の前記回転軸に平行な軸方向長さは、前記駆動磁石及び前記従動磁石の前記回転軸に平行な軸方向長さよりも短い
ことを特徴とするポンプ装置。 - 請求項4~8のいずれか1項に記載のポンプ装置において、
前記ハウジングは、前記インペラを有する第1ハウジングと、前記モータ機構を有する第2ハウジングとを含み、
前記第1ハウジングと前記第2ハウジングは着脱自在に構成されている
ことを特徴とするポンプ装置。 - 請求項9記載のポンプ装置において、
前記第2反発磁石は、前記第1ハウジングに配置されている
ことを特徴とするポンプ装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017164371 | 2017-08-29 | ||
JP2017164371 | 2017-08-29 | ||
PCT/JP2018/031492 WO2019044738A1 (ja) | 2017-08-29 | 2018-08-27 | ポンプ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2019044738A1 JPWO2019044738A1 (ja) | 2020-08-13 |
JP7123060B2 true JP7123060B2 (ja) | 2022-08-22 |
Family
ID=65525661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019539477A Active JP7123060B2 (ja) | 2017-08-29 | 2018-08-27 | ポンプ装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11686318B2 (ja) |
JP (1) | JP7123060B2 (ja) |
WO (1) | WO2019044738A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT201800009506A1 (it) * | 2018-10-16 | 2020-04-16 | Eurosets Srl | Pompa centrifuga a levitazione magnetica |
CN111852883B (zh) * | 2019-04-29 | 2023-01-03 | 苏州苏磁智能科技有限公司 | 一种高效率磁力耦合悬浮泵 |
JP7352630B2 (ja) | 2019-06-19 | 2023-09-28 | テルモ株式会社 | ポンプ装置 |
JPWO2022019201A1 (ja) * | 2020-07-22 | 2022-01-27 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000509311A (ja) | 1996-07-29 | 2000-07-25 | シマ,ハインリッヒ | 血液及び他の剪断に敏感な液体のための遠心ポンプ |
JP2009197736A (ja) | 2008-02-22 | 2009-09-03 | Mitsubishi Heavy Ind Ltd | 血液ポンプおよびポンプユニット |
JP2013213413A (ja) | 2012-03-30 | 2013-10-17 | National Institute Of Advanced Industrial Science & Technology | 遠心血液ポンプ |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55152916A (en) * | 1979-05-16 | 1980-11-28 | Hitachi Ltd | Magnetic bearing |
DE3343186A1 (de) | 1983-11-29 | 1985-06-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München | Magnetische rotorlagerung |
DE102006036948A1 (de) | 2006-08-06 | 2008-02-07 | Akdis, Mustafa, Dipl.-Ing. | Blutpumpe |
-
2018
- 2018-08-27 WO PCT/JP2018/031492 patent/WO2019044738A1/ja active Application Filing
- 2018-08-27 JP JP2019539477A patent/JP7123060B2/ja active Active
-
2020
- 2020-01-23 US US16/750,098 patent/US11686318B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000509311A (ja) | 1996-07-29 | 2000-07-25 | シマ,ハインリッヒ | 血液及び他の剪断に敏感な液体のための遠心ポンプ |
JP2009197736A (ja) | 2008-02-22 | 2009-09-03 | Mitsubishi Heavy Ind Ltd | 血液ポンプおよびポンプユニット |
JP2013213413A (ja) | 2012-03-30 | 2013-10-17 | National Institute Of Advanced Industrial Science & Technology | 遠心血液ポンプ |
Also Published As
Publication number | Publication date |
---|---|
US20200155740A1 (en) | 2020-05-21 |
US11686318B2 (en) | 2023-06-27 |
WO2019044738A1 (ja) | 2019-03-07 |
JPWO2019044738A1 (ja) | 2020-08-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7123060B2 (ja) | ポンプ装置 | |
JP7352630B2 (ja) | ポンプ装置 | |
KR100351336B1 (ko) | 수동자기방사베어링및혈액침지축베어링을갖춘무밀봉회전식혈액펌프 | |
US5055005A (en) | Fluid pump with levitated impeller | |
JP5155186B2 (ja) | 回転式血液ポンプ | |
AU712484B2 (en) | Bearing and seal-free blood pump | |
EP3624868B1 (en) | Center rod magnet | |
KR19990023563A (ko) | 무밀봉 회전 혈액 펌프 | |
JPH09313600A (ja) | 遠心式液体ポンプ装置 | |
JP2009254436A (ja) | 動圧軸受を備えた人工心臓ポンプ | |
JP7123059B2 (ja) | ポンプ装置 | |
JP6276708B2 (ja) | 遠心ポンプ | |
JP7149875B2 (ja) | ポンプ装置 | |
JP7050534B2 (ja) | ポンプ装置 | |
JP7422729B2 (ja) | ポンプ装置 | |
JP7355502B2 (ja) | ポンプ装置 | |
JP7422730B2 (ja) | ポンプ装置 | |
WO2022019201A1 (ja) | ポンプ装置 | |
JP2019058442A (ja) | ポンプ装置 | |
JP2019154574A (ja) | ポンプ装置 | |
US20200246521A1 (en) | Extracorporeal-circulation blood pump device | |
JPH05111534A (ja) | 血液ポンプ | |
JP2023042640A (ja) | 遠心ポンプ | |
JP2022111270A (ja) | 血液ポンプ | |
JPH05212112A (ja) | 血液ポンプ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20210520 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220308 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220509 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20220726 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20220809 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7123060 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |