CN112546425A - 磁悬浮马达和磁悬浮血泵 - Google Patents
磁悬浮马达和磁悬浮血泵 Download PDFInfo
- Publication number
- CN112546425A CN112546425A CN202011182801.6A CN202011182801A CN112546425A CN 112546425 A CN112546425 A CN 112546425A CN 202011182801 A CN202011182801 A CN 202011182801A CN 112546425 A CN112546425 A CN 112546425A
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- CN
- China
- Prior art keywords
- stator
- rotor
- magnet
- thrust
- assembly
- 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.)
- Granted
Links
- 239000008280 blood Substances 0.000 title claims abstract description 31
- 210000004369 blood Anatomy 0.000 title claims abstract description 31
- 239000000725 suspension Substances 0.000 title description 6
- 238000005339 levitation Methods 0.000 claims abstract description 58
- 230000005415 magnetization Effects 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 6
- 230000005355 Hall effect Effects 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 claims 1
- 230000004907 flux Effects 0.000 description 20
- 208000007536 Thrombosis Diseases 0.000 description 3
- 230000002411 adverse Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 206010018910 Haemolysis Diseases 0.000 description 2
- 206010019280 Heart failures Diseases 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008588 hemolysis Effects 0.000 description 2
- 238000000338 in vitro Methods 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000002861 ventricular Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 208000028399 Critical Illness Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 235000012489 doughnuts Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000926 neurological effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000009894 physiological stress Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
Images
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
- A61M60/40—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
- A61M60/10—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
-
- 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
-
- 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
- A61M60/82—Magnetic bearings
- A61M60/822—Magnetic bearings specially adapted for being actively controlled
-
- 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
- F04D29/041—Axial thrust balancing
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
-
- 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
- H02K7/08—Structural association with bearings
- H02K7/09—Structural association with bearings with magnetic bearings
-
- 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
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
-
- 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
-
- 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
- F16C32/041—Passive magnetic bearings with permanent magnets on one part attracting the other part
- F16C32/0417—Passive magnetic bearings with permanent magnets on one part attracting the other part for axial 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
- F16C32/0459—Details of the magnetic circuit
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Mechanical Engineering (AREA)
- Cardiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Vascular Medicine (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Description
Claims (10)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011182801.6A CN112546425B (zh) | 2020-10-29 | 2020-10-29 | 磁悬浮马达和磁悬浮血泵 |
EP21884439.7A EP4223356A4 (en) | 2020-10-29 | 2021-06-21 | MAGNETIC LEVITATION CIRCULATORY ASSISTANCE MOTOR AND PUMP |
US18/034,518 US20230390546A1 (en) | 2020-10-29 | 2021-06-21 | Magnetic suspension motor and magnetic suspension blood pump |
PCT/CN2021/101230 WO2022088698A1 (zh) | 2020-10-29 | 2021-06-21 | 磁悬浮马达和磁悬浮血泵 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011182801.6A CN112546425B (zh) | 2020-10-29 | 2020-10-29 | 磁悬浮马达和磁悬浮血泵 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112546425A true CN112546425A (zh) | 2021-03-26 |
CN112546425B CN112546425B (zh) | 2021-07-23 |
Family
ID=75042734
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011182801.6A Active CN112546425B (zh) | 2020-10-29 | 2020-10-29 | 磁悬浮马达和磁悬浮血泵 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20230390546A1 (zh) |
EP (1) | EP4223356A4 (zh) |
CN (1) | CN112546425B (zh) |
WO (1) | WO2022088698A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113082507A (zh) * | 2021-05-12 | 2021-07-09 | 苏州大学 | 一种运用于人工心脏的磁悬浮装置 |
CN113765437A (zh) * | 2021-09-15 | 2021-12-07 | 于振州 | 一种克服磁悬浮发电机反电动势阻力的方法 |
WO2022088698A1 (zh) * | 2020-10-29 | 2022-05-05 | 苏州心擎医疗技术有限公司 | 磁悬浮马达和磁悬浮血泵 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5168187A (en) * | 1991-02-20 | 1992-12-01 | Dana Corporation, Warner Electric Brake & Clutch Division | Axial pole stepping motor |
US5742450A (en) * | 1995-03-08 | 1998-04-21 | International Business Machines Corporation | Disk drive spindle motor with radial gap and field generating coils interconnected by ring flux guide |
US6320290B1 (en) * | 1999-09-01 | 2001-11-20 | Kabushiki Kaisha Sankyo Seiki Seisakusho | Magnetic levitated motor |
US20070007841A1 (en) * | 2005-07-06 | 2007-01-11 | Nidec Corporation | Motor and Disk Drive |
CN101932837A (zh) * | 2006-03-31 | 2010-12-29 | 索罗泰克公司 | 旋转式血泵 |
CN104747596A (zh) * | 2013-12-30 | 2015-07-01 | 李国坤 | 有支点无摩擦径向永磁悬浮轴承 |
US20150273125A1 (en) * | 2010-08-20 | 2015-10-01 | Thoratec Corporation | Implantable blood pump |
US20190356195A1 (en) * | 2018-05-18 | 2019-11-21 | Levitronix Gmbh | Electromagnetic rotary drive and rotational device |
CN111561519A (zh) * | 2019-02-14 | 2020-08-21 | 苏州心擎医疗技术有限公司 | 用于磁悬浮轴承的刚度增益机构、磁悬浮轴承和血泵 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002247823A (ja) * | 2001-02-15 | 2002-08-30 | Sankyo Seiki Mfg Co Ltd | 磁気浮上型電動機 |
CN102891636A (zh) * | 2011-07-21 | 2013-01-23 | 天津昊高磁材有限公司 | 一种减小漏磁的磁悬浮电机 |
JP6577300B2 (ja) * | 2015-08-27 | 2019-09-18 | 国立大学法人茨城大学 | 磁気浮上姿勢制御装置 |
EP3232549B1 (de) * | 2016-04-14 | 2020-12-16 | Levitronix GmbH | Elektromagnetischer drehantrieb und rotationsvorrichtung |
US10973967B2 (en) * | 2018-01-10 | 2021-04-13 | Tc1 Llc | Bearingless implantable blood pump |
EP3711785A1 (en) * | 2019-03-19 | 2020-09-23 | Abiomed Europe GmbH | Blood pump |
CN112546425B (zh) * | 2020-10-29 | 2021-07-23 | 苏州心擎医疗技术有限公司 | 磁悬浮马达和磁悬浮血泵 |
-
2020
- 2020-10-29 CN CN202011182801.6A patent/CN112546425B/zh active Active
-
2021
- 2021-06-21 EP EP21884439.7A patent/EP4223356A4/en active Pending
- 2021-06-21 WO PCT/CN2021/101230 patent/WO2022088698A1/zh active Application Filing
- 2021-06-21 US US18/034,518 patent/US20230390546A1/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5168187A (en) * | 1991-02-20 | 1992-12-01 | Dana Corporation, Warner Electric Brake & Clutch Division | Axial pole stepping motor |
US5742450A (en) * | 1995-03-08 | 1998-04-21 | International Business Machines Corporation | Disk drive spindle motor with radial gap and field generating coils interconnected by ring flux guide |
US6320290B1 (en) * | 1999-09-01 | 2001-11-20 | Kabushiki Kaisha Sankyo Seiki Seisakusho | Magnetic levitated motor |
US20070007841A1 (en) * | 2005-07-06 | 2007-01-11 | Nidec Corporation | Motor and Disk Drive |
CN101932837A (zh) * | 2006-03-31 | 2010-12-29 | 索罗泰克公司 | 旋转式血泵 |
US20150273125A1 (en) * | 2010-08-20 | 2015-10-01 | Thoratec Corporation | Implantable blood pump |
CN104747596A (zh) * | 2013-12-30 | 2015-07-01 | 李国坤 | 有支点无摩擦径向永磁悬浮轴承 |
US20190356195A1 (en) * | 2018-05-18 | 2019-11-21 | Levitronix Gmbh | Electromagnetic rotary drive and rotational device |
CN111561519A (zh) * | 2019-02-14 | 2020-08-21 | 苏州心擎医疗技术有限公司 | 用于磁悬浮轴承的刚度增益机构、磁悬浮轴承和血泵 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022088698A1 (zh) * | 2020-10-29 | 2022-05-05 | 苏州心擎医疗技术有限公司 | 磁悬浮马达和磁悬浮血泵 |
CN113082507A (zh) * | 2021-05-12 | 2021-07-09 | 苏州大学 | 一种运用于人工心脏的磁悬浮装置 |
CN113082507B (zh) * | 2021-05-12 | 2023-01-13 | 苏州大学 | 一种运用于人工心脏的磁悬浮装置 |
CN113765437A (zh) * | 2021-09-15 | 2021-12-07 | 于振州 | 一种克服磁悬浮发电机反电动势阻力的方法 |
Also Published As
Publication number | Publication date |
---|---|
EP4223356A4 (en) | 2024-04-03 |
CN112546425B (zh) | 2021-07-23 |
EP4223356A1 (en) | 2023-08-09 |
WO2022088698A1 (zh) | 2022-05-05 |
US20230390546A1 (en) | 2023-12-07 |
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Address after: Room 801, 802, 803, 804, Building 7, No. 188 Fuchunjiang Road, High-tech Zone, Suzhou City, Jiangsu Province, 215163 Patentee after: Xinqing Medical (Suzhou) Co.,Ltd. Address before: Room 311-312, building 2, No.8 Jinfeng Road, high tech Zone, Suzhou City, Jiangsu Province 215000 Patentee before: SUZHOU XINQING MEDICAL TECHNOLOGY Co.,Ltd. |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Magnetic levitation motor and magnetic levitation blood pump Granted publication date: 20210723 Pledgee: Industrial Commercial Bank of China Ltd. Suzhou high tech Industrial Development Zone Branch Pledgor: Xinqing Medical (Suzhou) Co.,Ltd. Registration number: Y2024980008157 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210723 Pledgee: Industrial Commercial Bank of China Ltd. Suzhou high tech Industrial Development Zone Branch Pledgor: Xinqing Medical (Suzhou) Co.,Ltd. Registration number: Y2024980008157 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |