CN107715203A - A kind of single fulcrum magnetomotive drive-type centrifugal pump - Google Patents
A kind of single fulcrum magnetomotive drive-type centrifugal pump Download PDFInfo
- Publication number
- CN107715203A CN107715203A CN201710839151.XA CN201710839151A CN107715203A CN 107715203 A CN107715203 A CN 107715203A CN 201710839151 A CN201710839151 A CN 201710839151A CN 107715203 A CN107715203 A CN 107715203A
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- fulcrum
- magnet assembly
- centrifugal pump
- assembly
- pump
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- 238000000576 coating method Methods 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 9
- 206010057040 Temperature intolerance Diseases 0.000 claims description 5
- 230000010100 anticoagulation Effects 0.000 claims description 5
- 230000008543 heat sensitivity Effects 0.000 claims description 5
- 239000003146 anticoagulant agent Substances 0.000 claims description 4
- 229940127219 anticoagulant drug Drugs 0.000 claims description 4
- 239000000314 lubricant Substances 0.000 claims description 4
- 239000000696 magnetic material Substances 0.000 claims description 3
- 230000002459 sustained effect Effects 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 2
- 230000007812 deficiency Effects 0.000 abstract description 2
- 239000008280 blood Substances 0.000 description 23
- 210000004369 blood Anatomy 0.000 description 23
- 239000012530 fluid Substances 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 208000007536 Thrombosis Diseases 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 230000002785 anti-thrombosis Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 206010018910 Haemolysis Diseases 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000004217 heart function Effects 0.000 description 1
- 230000000004 hemodynamic effect Effects 0.000 description 1
- 230000008588 hemolysis Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 230000002861 ventricular Effects 0.000 description 1
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
- A61M60/20—Type thereof
- A61M60/205—Non-positive displacement blood 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
- 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
- A61M60/40—Details relating to driving
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/04—General characteristics of the apparatus implanted
-
- 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
- A61M2210/00—Anatomical parts of the body
- A61M2210/12—Blood circulatory system
- A61M2210/122—Pericardium
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Cardiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Mechanical Engineering (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- External Artificial Organs (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention is in order to improve the deficiency of existing centrifugal pump, there is provided a kind of single fulcrum magnetomotive drive-type centrifugal pump, the drive component of the centrifugal pump include the gear unit being connected with power unit, and gear unit includes rotatable driving head；At least provided with the first magnet assembly and the second magnet assembly on driving head, gear unit can be connected with pump group part, first magnet assembly provides axial supporting force to the impeller assembly of centrifugal pump, and second magnet assembly provides radial drive power to the impeller assembly.The centrifugal pump has the characteristics of temperature rise model is good, simple in construction, reliability is high.
Description
Technical field
The present invention relates to a kind of single fulcrum magnetomotive drive-type centrifugal pump and its drive component, is aided in particular for ventricle
Single the fulcrum magnetomotive drive-type centrifugal pump and its drive component of device.
Background technology
Ventricular assist device successively experienced the positive displacement blood pump of the first generation, the continuous stream impeller blood of the second generation, the 3rd
The different stages of development of the suspension blood pump in generation.First generation blood pump is the positive displacement blood pump for simulating cardiac function, its use it is pneumatic or
It is electronic to wait extruding pump chamber, blood is put out by the change of pump chamber.Although first generation blood pump closer to natural heart, its
Generally existing is complicated, volume is big, easily forms thrombus, the defects of being not easy to implant.And its blood storing capsule is constantly in fortune
Dynamic state, it is also necessary to which valve frequently opens and closes control blood flow direction, and internal structure is easily damaged, unsuitable long-term use of.In addition, first
For the noise of blood pump low frequency, cumbersome control system, huge drive system, all hinder it and use on a large scale.The second generation
Blood pump is arranged on the rotor of blood pump for continuous stream impeller blood, the blade of such blood pump by mechanical bearing, and rotor drives
Blade is rotated so as to promote blood to be travelled forward along hand of helix.Second generation blood pump can meet that ventricle is auxiliary with less volume
Help the Hemodynamics of device to require, and be easy to be implanted into, be not required to valve, manufacturing process is less demanding, thus has obtained extensively
Concern.But second generation blood pump has mechanical bearing structure, the mechanical wear in long-term use can not avoid, and cause the durable of pump
Property reduce.Third generation blood pump employs passive magnetic bearing suspended impeller mostly and the skill being separated with drive system that suspends
Art, impeller suspended is not rubbed and extruded in blood pump body, thus haemolysis is significantly reduced, durability is improved, and is decreased
Energy consumption, the incidence of thrombus is reduced, more suitable for long-term circulatory assit.And the structure of current third generation blood pump is also more
Complexity, it is big with blood contacting surface, the stagnant area of blood is easily produced, triggers thrombus.In addition, blood pump belongs to disposable product, should
Simple in construction, cost is cheap；The priming volume of blood pump should be also reduced as far as possible；For baby and neonatal patient, should also possess
The advantages of low discharge.
The content of the invention
It is an object of the invention to for deficiency of the prior art, there is provided a kind of single fulcrum magnetomotive drive-type centrifugal pump
And its drive component.
To achieve the above object, the present invention adopts the technical scheme that：
A kind of drive component for single fulcrum magnetomotive drive-type centrifugal pump, wherein, centrifugal pump, which includes having, is located at pump
The pump group part of impeller assembly in chamber, the impeller assembly have magnet assembly；Drive component includes what is be connected with power unit
Gear unit, gear unit include rotatable driving head；At least provided with the first magnet assembly and the second magnetic group on driving head
Part, gear unit can be connected with pump group part, and the first magnet assembly provides the supporting force of axial direction, the second magnetic to the impeller assembly
Property component to the impeller assembly provide radial direction driving force.The axial supporting force that single fulcrum support and the first magnet assembly provide
Combination, the defects of rotation that conventional single fulcrum support can be overcome to bring is unstable, and reliability is not high.
First magnet assembly provides axial attraction to the impeller assembly, and second magnet assembly is to the leaf
Wheel assembly provides radial attraction force.
First magnet assembly is located at the bottom of the pump chamber of pump group part, and second magnet assembly is located at the pump chamber
Sidepiece.
The driving head also includes housing unit, and first, second magnet assembly is arranged on the housing unit.
The housing unit is provided with step-like structure, and first, second magnet assembly joins from different step planes respectively
Connect.On the one hand first, second magnet assembly for setting axial location different is easy in the setting of step-like structure, on the other hand formed
Recess, pump group part is easily installed, to simplify pump configuration and reduce pump volume.
Second magnet assembly is annular, and first magnet assembly is annular or disc.
The lower section of magnet assembly of the magnetic part of first magnet assembly in impeller assembly and the face magnet assembly
Magnetic part, the periphery of magnet assembly of the magnetic part wound impeller component of second magnet assembly and the magnetic of face magnet assembly
Property part.
The unit that tests the speed is set on the housing unit, to control the flowing velocity of fluid.
Gear unit includes being arranged on the first housing unit outside driving head, one end fixed setting of the first housing unit
On power unit, the other end is detachably connected with pump group part.
A kind of single fulcrum magnetomotive drive-type centrifugal pump, it includes above-mentioned drive component and the pump group part.
The impeller assembly includes the first fulcrum, the rotatable housing unit being supported on positioned at pump group part of first fulcrum
On the second fulcrum on, wherein, the first fulcrum, the second fulcrum are respectively positioned on the central axial line of pump group part.
Preferably, the second fulcrum is located on the housing unit of the close driving head of pump group part.
Preferably, the first fulcrum and matching somebody with somebody for the second fulcrum are combined into male-female engagement, and the first fulcrum includes respectively with the second fulcrum
Has magnetic at least a portion.Further preferably, both the first fulcrum and the second fulcrum have used in magnetic at least a portion
Magnetic material magnetic it is identical, repulsion between the first fulcrum and the second fulcrum is less than the first magnet assembly to the impeller assembly
The axial supporting force of offer.
Preferably, at least a portion of the first fulcrum and/or the second fulcrum surface sets heat sensitivity lubricant coating, coating
Include the anticoagulation medicament that can be sustained.
Preferably, at least a portion of surface of cavity is coated with heat sensitivity anticoagulant coatings.
Wherein, heat sensitivity coating can accelerate the release of benefit agent with the rise of fluid temperature (F.T.) in centrifugal pump, from
And protection fluid is reduced, to improve therapeutic effect.
Brief description of the drawings
Fig. 1 is the installation diagram of single fulcrum magnetomotive drive-type centrifugal pump
Fig. 2 is the impeller assembly of single fulcrum magnetomotive drive-type centrifugal pump
Embodiment
Single fulcrum magnetomotive drive-type centrifugal pump is shown in Fig. 1, and single fulcrum magnetomotive drive-type centrifugal pump includes pump group
Part and drive component.Pump group part may include the parts such as impeller assembly 1, housing unit.Drive component may include power unit 2 and pass
Moving cell etc..Wherein, power unit 2 is preferably motor.
Fig. 2 shows one embodiment of impeller assembly 1, and impeller assembly 1 includes the first bearing assembly 11, the 3rd magnetic group
Part 12 and blade etc., wherein, blade is arranged between the first bearing assembly 11 and the 3rd magnet assembly 12, for driving fluid.
First bearing assembly 11 includes the first fulcrum 111 on the central axis of impeller assembly 1, and the first fulcrum 111 passes through connection
Part is connected with blade.Preferable first fulcrum 111 is arranged in the center through hole of the first bearing assembly 11, and wherein fluid can lead to
The center through hole is crossed to be flowed between multiple blades.First bearing assembly 11 is preferably circular platform type profile, for guiding fluid to pump
In the pump chamber of component.First bearing assembly 11 or planarized structure, make the first fulcrum 111 be connected with blade.3rd magnetic
Component 12 includes magnetic part, and preferably magnetic part is evenly distributed on the periphery of magnet assembly 12.It is arranged in the first fulcrum 111
In the case of first bearing assembly 11, magnet assembly 12 be preferably annular, the first fulcrum 111 can with positioned at the 3rd housing unit
31 rotatable contact of the second fulcrum on 3.Preferably, magnet assembly 12 also includes shell, to cover magnetic part.
In another embodiment of impeller assembly 1, the first bearing assembly 11 can be omitted, magnet assembly 12 includes being located at impeller
The first fulcrum on the central axis of component 1, first fulcrum be able to can revolve with the second fulcrum 31 on the 3rd housing unit 3
Switching is touched.Magnet assembly 12 is preferably annular, disc etc..
Wherein, the second fulcrum 31 may be integrally formed with housing unit 3, also can be assembled and is formed.
Preferably, the first fulcrum and matching somebody with somebody for the second fulcrum are combined into male-female engagement.Preferably, the first fulcrum and the second fulcrum point
Bao Kuo not have magnetic at least a portion.Further preferably, magnetic at least one of both the first fulcrum and the second fulcrum tool
The magnetic of magnetic material used in point is identical, to reduce the frictional force between fulcrum.
Preferably, lubricant coating can be set at least a portion of the first fulcrum and/or the second fulcrum surface, can be wrapped in coating
The anticoagulation medicament that can be sustained is included, in the case where reducing rotational resistance, improves the antithrombotic property of centrifugal pump.
Preferably, at least a portion of surface of cavity is coated with anticoagulant coatings, to improve the antithrombotic property of centrifugal pump.
Wherein, anticoagulant coatings, lubricant coating are respectively provided with thermo-responsive characteristic, when temperature raises, coating release anticoagulation
The speed of agent can increase, so as to improve anticoagulation function.
The housing unit of pump group part includes the 4th housing unit 4, and housing unit 4 includes fluid intake 41.The He of housing unit 4
Housing unit 3 is collectively forming the pump chamber of pump group part, and impeller assembly 1 is located in pump chamber.
The gear unit of drive component includes power transmission shaft 51 and driving head, and power transmission shaft 51 is connected with driving head, preferably may be used
Dismantling connection, in order to the maintenance of drive component.
Driving head includes rotatable second housing unit 521, and housing unit 521 is provided with the company being connected with power transmission shaft 51
Fitting.The first magnet assembly 5211 and the second magnet assembly 5212 are provided with housing unit 521, wherein, magnet assembly 5211
Positioned at the bottom of pump chamber, magnet assembly 5212 is located at the sidepiece of pump chamber.The external diameter of magnet assembly 5211 is smaller than magnet assembly
5212 external diameter.Preferably, the magnetic part of magnet assembly 5211 and magnet assembly 5212 is uniformly arranged on respective periphery respectively.
Preferably, magnet assembly 5212 is annular.Preferably, magnet assembly 5211 is annular or disc.Preferably, magnetic group
The magnetic part of part 5211 is in the magnetic part of the lower section face magnet assembly 12 of magnet assembly 12, the magnetic part ring of magnet assembly 5212
Around the magnetic part of the periphery face magnet assembly 12 of magnet assembly 12.
Preferably, housing unit 521 is provided with step-like structure, magnet assembly 5211 and magnet assembly 5212 respectively with not
Same step plane connection.Preferably, magnet assembly 5211 can be located at housing unit 521 and housing unit with magnet assembly 5212
In 3 cavitys formed.
Preferably, magnet assembly 5211 may also be arranged on the both sides of housing unit 521 with magnet assembly 5212.
Preferably, the unit 522 that tests the speed is set on driving head, to measure actuating speed.
Preferably, first housing unit 6 is set in the outside of housing unit 521, the one end of housing unit 6 is fixedly installed on dynamic
On power unit 2, the other end is detachably connected with pump group part.Preferably, the unit 522 that tests the speed is arranged on housing unit 6 and housing group
In the cavity that part 521 is formed.Preferably..
Pump group part is removably disposed in the cavity of driving head, preferably the housing unit of pump group part, such as housing unit 3
Or housing unit 4, can be detachably connected with housing unit 6, housing unit 3 does not contact with driving head.
During use, attraction is produced between magnet assembly 5211 and magnet assembly 12, is preferably axially attracted
Power；Radial load, preferably radial attraction force are produced between magnet assembly 5212 and magnet assembly 12.Wherein, power unit 2 passes through
Power transmission shaft 51 drives housing unit 521 to rotate, and housing unit 521 drives the rotation of magnet assembly 5211, magnet assembly 5212, by
It is attractive between magnet assembly 12 and magnet assembly 5211, under the rotatable cooperation of the first fulcrum and the second fulcrum,
In the presence of producing radial load between magnet assembly 5212 and magnet assembly 12, impeller component 1 can be steadily reliable
Centrifugal motion is carried out, so as to trandfer fluid.
Preferably, the unit 522 that tests the speed rotates with the rotation of housing unit 521, so as to measure the rotation of power transmission shaft 51
Speed, and the output speed of convection body is controlled.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, on the premise of the inventive method is not departed from, can also make some improvement and supplement, and these are improved and supplement also should be regarded as
Protection scope of the present invention.
Claims (10)
1. a kind of single fulcrum magnetomotive drive-type centrifugal pump, it includes drive component and pump group part, in the pump chamber of the pump group part
Impeller assembly is provided with, the impeller assembly has magnet assembly, and the impeller assembly includes the first fulcrum, and first fulcrum can
On the second fulcrum being supported on the housing unit of pump group part of rotation, wherein, the first fulcrum, the second fulcrum are respectively positioned on pump
On the central axial line of component；The drive component includes the gear unit being connected with power unit, and gear unit includes rotatable
Driving head；It can be connected on driving head at least provided with the first magnet assembly and the second magnet assembly, gear unit with pump group part
Connect, first magnet assembly provides axial supporting force to the impeller assembly, and second magnet assembly is to the impeller sets
Part provides radial drive power.
2. centrifugal pump according to claim 1, second fulcrum is located at the close driving head of the pump group part
On housing unit.
3. centrifugal pump according to claim 1 or 2, the first fulcrum and the second fulcrum include tool magnetic at least one respectively
Part.
4. magnetic at least one of both centrifugal pumps according to claim 3, first fulcrum and the second fulcrum tool
The magnetic of the magnetic material divided is identical, and the repulsion between first fulcrum and the second fulcrum is less than the axial supporting force.
5. according to the centrifugal pump described in claim any one of 1-4, at least the one of first fulcrum and/or the second fulcrum surface
Part sets heat sensitivity lubricant coating, and the anticoagulation preparation that can be sustained is included in the coating.
6. according to the centrifugal pump any one of claim 1-5, at least a portion of surface of cavity is coated with heat sensitivity
Anticoagulant coatings.
7. centrifugal pump according to claim 1, the axial supporting force is axial attraction, and the radial drive power is footpath
To attraction.
8. the centrifugal pump according to claim 1 or 7, the magnetic group of the magnetic part of first magnet assembly in impeller assembly
The lower section of part and the magnetic part of the magnet assembly of face impeller assembly, the magnetic part wound impeller component of second magnet assembly
The periphery of magnet assembly and the magnetic part of the magnet assembly of face impeller assembly.
9. centrifugal pump according to claim 8, the driving head also includes housing unit, and the housing unit is provided with platform
Stepped structure, first, second magnet assembly couple from different step planes respectively.
10. centrifugal pump according to claim 1, the gear unit includes being arranged on the first housing group outside driving head
Part, one end of first housing unit are fixedly installed on power unit, and the other end is detachably connected with pump group part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710839151.XA CN107715203A (en) | 2017-09-18 | 2017-09-18 | A kind of single fulcrum magnetomotive drive-type centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710839151.XA CN107715203A (en) | 2017-09-18 | 2017-09-18 | A kind of single fulcrum magnetomotive drive-type centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107715203A true CN107715203A (en) | 2018-02-23 |
Family
ID=61206527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710839151.XA Pending CN107715203A (en) | 2017-09-18 | 2017-09-18 | A kind of single fulcrum magnetomotive drive-type centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107715203A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110947040A (en) * | 2019-12-18 | 2020-04-03 | 山东大学 | Extracorporeal circulation blood pump and method |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3973889A (en) * | 1974-10-07 | 1976-08-10 | Rochester Button Company | Decorative rod making equipment |
| US5947703A (en) * | 1996-01-31 | 1999-09-07 | Ntn Corporation | Centrifugal blood pump assembly |
| CN1228140A (en) * | 1996-05-03 | 1999-09-08 | 犹他大学 | Electromagnetically suspended and rotated centrifugal pumping apparatus and method |
| WO2004002548A1 (en) * | 2002-06-28 | 2004-01-08 | Novartis Ag | Use of organic compounds |
| JP2004144070A (en) * | 2002-08-30 | 2004-05-20 | Senko Medical Instr Mfg Co Ltd | Centrifugal pump |
| US20060013852A1 (en) * | 2002-06-28 | 2006-01-19 | Prescott Margaret F | Use of organic compounds |
| CN101244296A (en) * | 2008-03-21 | 2008-08-20 | 北京工业大学 | Magnetic and fluid velocity pressure mix suspending mechanical heart blood pump |
| CN103191476A (en) * | 2012-08-03 | 2013-07-10 | 上海交通大学医学院附属上海儿童医学中心 | Single-fulcrum magnetomotive centrifugal blood pump |
| CN103328018A (en) * | 2011-01-21 | 2013-09-25 | 海德威公司 | Flow estimation in a blood pump |
| CN103533967A (en) * | 2011-12-07 | 2014-01-22 | 阿博特心血管***公司 | Medical device having a lubricious coating with a hydrophilic compound in an interlocking network |
| CN104208763A (en) * | 2014-09-15 | 2014-12-17 | 长治市久安人工心脏科技开发有限公司 | Magnetic suspension axial flow type blood pump |
| CN106512118A (en) * | 2016-11-02 | 2017-03-22 | 中南大学 | Totally-implanted magnetic liquid dual-suspension axial-flow blood pump |
-
2017
- 2017-09-18 CN CN201710839151.XA patent/CN107715203A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3973889A (en) * | 1974-10-07 | 1976-08-10 | Rochester Button Company | Decorative rod making equipment |
| US5947703A (en) * | 1996-01-31 | 1999-09-07 | Ntn Corporation | Centrifugal blood pump assembly |
| CN1228140A (en) * | 1996-05-03 | 1999-09-08 | 犹他大学 | Electromagnetically suspended and rotated centrifugal pumping apparatus and method |
| WO2004002548A1 (en) * | 2002-06-28 | 2004-01-08 | Novartis Ag | Use of organic compounds |
| US20060013852A1 (en) * | 2002-06-28 | 2006-01-19 | Prescott Margaret F | Use of organic compounds |
| JP2004144070A (en) * | 2002-08-30 | 2004-05-20 | Senko Medical Instr Mfg Co Ltd | Centrifugal pump |
| CN101244296A (en) * | 2008-03-21 | 2008-08-20 | 北京工业大学 | Magnetic and fluid velocity pressure mix suspending mechanical heart blood pump |
| CN103328018A (en) * | 2011-01-21 | 2013-09-25 | 海德威公司 | Flow estimation in a blood pump |
| CN103533967A (en) * | 2011-12-07 | 2014-01-22 | 阿博特心血管***公司 | Medical device having a lubricious coating with a hydrophilic compound in an interlocking network |
| CN103191476A (en) * | 2012-08-03 | 2013-07-10 | 上海交通大学医学院附属上海儿童医学中心 | Single-fulcrum magnetomotive centrifugal blood pump |
| CN104208763A (en) * | 2014-09-15 | 2014-12-17 | 长治市久安人工心脏科技开发有限公司 | Magnetic suspension axial flow type blood pump |
| CN106512118A (en) * | 2016-11-02 | 2017-03-22 | 中南大学 | Totally-implanted magnetic liquid dual-suspension axial-flow blood pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110947040A (en) * | 2019-12-18 | 2020-04-03 | 山东大学 | Extracorporeal circulation blood pump and method |
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