CN107469169A - A kind of band have dislocation design radial permanent magnet bearing axial blood pump - Google Patents
A kind of band have dislocation design radial permanent magnet bearing axial blood pump Download PDFInfo
- Publication number
- CN107469169A CN107469169A CN201710596020.3A CN201710596020A CN107469169A CN 107469169 A CN107469169 A CN 107469169A CN 201710596020 A CN201710596020 A CN 201710596020A CN 107469169 A CN107469169 A CN 107469169A
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- impeller
- bearing
- pump
- blood pump
- magnet
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Classifications
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- 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
-
- 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
- A61M2205/02—General characteristics of the apparatus characterised by a particular materials
-
- 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
- A61M2210/125—Heart
Abstract
Have dislocation the axial blood pump for designing radial permanent magnet bearing the invention discloses a kind of band, the levitation gap that it solves the problems, such as axial blood pump can not effectively reduce, radial permanent magnet bearing and impeller are arranged using dislocation, levitation gap is reduced in the case where not increasing magnet size, suspension magnetic force is improved, its technical scheme is：Including pump case, blood inlet side is provided with pilot blade in pump case, and blood exit port is provided with rear guide vane in pump case；Axially arranged impeller between the pilot blade and rear guide vane, Permanent-magnet bearing is provided with the radial direction in impeller, Permanent-magnet bearing includes magnetostatic iron hoop and moving magnet ring, and rotor outer circle and the blade root of the moving magnet ring are located on different-diameter circle.
Description
Technical field
The present invention relates to technical field of medical instruments, a kind of axle for the design radial permanent magnet bearing that has dislocation more particularly to band
Streaming blood pump.
Background technology
At present, the blood pump adjuvant therapy device development short-term or long-term as endstage cardiac insufficiency is very rapid, at present
The third generation-magnetic force (fluid power) supporting blood pump has been had developed to, has there is centrifugal and two kinds of axial-flow type.Compared to tradition machinery supporting
Rotary blood pump, magnetic suspension blood pump make vane rotor be suspended in the pump housing by magnetic force, have without friction, without Mechanical Contact, need not
The features such as lubrication, energy consumption are low, long lifespan.Axial blood pump profile is tubulose and size is smaller, is more suitable for being implanted into human body.Therefore,
Axial-flow type magnetic suspension blood pump has turned into the important research direction in artificial heart field.
To adapt to human body needs and being easy to transplant, axial-flow type magnetic suspension blood pump requires that axial dimension can not be oversize, radial ruler
Very little small, compact overall structure, here dislocation allows for axial dimension and reduced.
Axial-flow type magnetic suspension blood pump overall structure can be divided into three parts：Fluid section, supporting part and drive part.
Fluid section includes runner pump chamber, pilot blade, impeller and rear guide vane；Supporting part is made up of cod, radial magnetic bearing；
Drive part then refers to magneto.Wherein motor stator is located at outside pump case.Normal conditions lower radial bearing stator is also placed in
Pump case outer surface, rotor, radial magnetic bearing rotor and revolution mandrel are combined together, are placed in together in vane rotor,
Also impeller rotates when so motor driven rotor rotates.
In axial flow blood pump, it is ensured that CBF must assure that certain impeller height, and general axis is bled the pump configuration middle period
The blade of wheel is located between the stator and rotor of permanent magnetic radial bearing, and therefore, the supported clearance of magnetic suspension bearing is by impeller height
Limitation can not possibly reduce, and magnetic force square is inversely proportional with gap, so the big suspension magnetic force in gap is just small, journal bearing is firm
With regard to very little, the axial flow blood pump having for this is radially just being suspended degree using liquid, can bring some other problems again.
In summary, the problem of can not being effectively reduced for the levitation gap of axial blood pump in the prior art, still lack
Effective solution.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, have dislocation the invention provides a kind of band and design radial permanent magnet bearing
Axial blood pump, it arranges radial permanent magnet bearing and impeller using dislocation, is reduced in the case where not increasing magnet size
Levitation gap, improve suspension magnetic force；
Further, the present invention uses following technical proposals：
A kind of band has dislocation the axial blood pump of design radial permanent magnet bearing, including pump case, the blood inlet side in pump case
Provided with pilot blade, blood exit port is provided with rear guide vane in pump case；Axially arranged impeller between the pilot blade and rear guide vane,
Impeller is provided with Permanent-magnet bearing in the radial direction, and Permanent-magnet bearing includes magnetostatic iron hoop and moving magnet ring, and the moving magnet ring turns
Son is cylindrical and the root of impeller is located on different-diameter circle.The rotor outer circle of moving magnet ring and blade root are arranged on Bu Tong directly
On the circle of footpath, Permanent-magnet bearing shifting to install relative to impeller is realized, can be improved in the case where not increasing magnet size outstanding
Floating magnetic force.
Further, the centrally disposed revolution mandrel of the pump case.Mandrel is turned round as supporting member, installation magnetic steel of motor, footpath
To magnetic bearing rotor and impeller, also impeller rotates so when motor driven rotor rotates.
Further, the pilot blade and rear guide vane are sheathed on revolution mandrel exterior, and pilot blade and revolution mandrel it
Between be provided with gap, also be provided with gap between rear guide vane and revolution mandrel.Gap between pilot blade and revolution mandrel is as blood
Runner, rear guide vane and revolution mandrel gap the blood in exit can be caused to flow to impeller rear end face under differential pressure action,
Two gaps are set in the reasonable scope, blood flow stagnation can be eliminated, avoid thrombus.
Further, the Permanent-magnet bearing includes two, and the magnetostatic iron hoop of one of them is arranged in pilot blade, moving magnet
Ring is arranged in revolution mandrel；Another magnetostatic iron hoop is arranged in rear guide vane, and moving magnet ring is arranged in revolution mandrel.
Further, fluid film bearing or anti-friction bearing or magnetic suspension bearing are provided with the axial direction in the pump case.
Further, the revolution mandrel is provided with anti-friction bearing or fluid film bearing or magnetic suspension bearing in blood exit port.
Further, motor stator is set in the pump case outer ring, be provided with revolution mandrel outer ring relative with motor stator
Magnetic steel of motor, magnetic steel of motor is located at impeller internal.
Further, spiral grooves are carried outside the impeller.When the impeller is rotated, blood is promoted along groove helix
Direction is from blood pump import to output flow.
Or alternatively possible technical scheme of the invention is：
A kind of band has dislocation the axial blood pump of design radial permanent magnet bearing, including pump case, the blood inlet side in pump case
Provided with pilot blade, blood exit port is provided with rear guide vane in pump case；Axially arranged impeller between the pilot blade and rear guide vane,
Impeller is provided with Permanent-magnet bearing in the radial direction, and Permanent-magnet bearing includes magnetostatic iron hoop and moving magnet ring, and the moving magnet ring turns
Son is cylindrical and the root of impeller is located on different-diameter circle.The rotor outer circle of moving magnet ring and blade root are arranged on Bu Tong directly
On the circle of footpath, Permanent-magnet bearing shifting to install relative to impeller is realized, can be improved in the case where not increasing magnet size outstanding
Floating magnetic force.
Further, the Permanent-magnet bearing includes two, and the magnetostatic iron hoop of two Permanent-magnet bearings is respectively positioned on outside pump case, and two
The moving magnet ring of individual Permanent-magnet bearing is respectively positioned on impeller internal.
Further, two anti-friction bearings are set in the pump case, and one of them is located at pilot blade afterbody, and another is located at
Rear guide vane stem.
Further, motor stator is provided with outside the pump case, the motor relative with motor stator is provided with impeller internal
Magnet steel.
Further, spiral grooves are carried outside the impeller.When the impeller is rotated, blood is promoted along groove helix
Direction is from blood pump import to output flow.
Compared with prior art, the beneficial effects of the invention are as follows：
The blood pump of the present invention is used with permanent magnetic radial bearing in impeller and shifted to install, and impeller and motor are in rotor
Between, permanent magnetic radial bearing is in the both ends of impeller, the levitation gap of reduction permanent magnetic radial bearing in the case of solution impeller height is constant
So as to reduce the volume of radial permanent magnet bearing, suspension magnetic force is improved in the case where not increasing magnet size.
The present invention utilizes radial permanent magnet bearing and the new construction of impeller dislocation arrangement so that levitation gap reduces, Ke Yi
Suspension magnetic force is improved in the case of not increasing magnet size, while ensures the certain height levitation gap of impeller.By impeller with
Radial permanent magnet bearing dislocation design can realize reduction pump volume while reduce power consumption.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrate be used for explain the application, do not form the improper restriction to the application.
Fig. 1 is the structural representation of the axial blood pump of the embodiment of the present invention 1；
Fig. 2 is the structural representation of the axial blood pump of the embodiment of the present invention 2；
In figure, 1 pump case, radial permanent magnet bearing after 2,3 magnetic steel of motor, 4 revolution mandrels, 5 fluid film bearings, radial permanent magnet before 6
Bearing, 7 pilot blades, 8 impellers, 9 motor stators, 10 rear guide vanes, 11 anti-friction bearings, 12 pilot blades, 13 pump cases, radial permanent magnet before 14
Bearing, 15 impellers, 16 motors, radial permanent magnet bearing after 17,18 rear guide vanes, 19 anti-friction bearings.
Embodiment
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As background technology is introduced, there is what the levitation gap of axial blood pump can not effectively reduce in the prior art
Problem, in order to solve technical problem as above, a kind of axial-flow type for the design radial permanent magnet bearing that has dislocation present applicant proposes band
Blood pump.
In a kind of typical embodiment of the application, as shown in Figure 1, there is provided a kind of band has dislocation design radial permanent magnet
The axial blood pump of bearing, mainly by pump case 1, rear radial permanent magnet bearing 2, magnetic steel of motor 3, revolution mandrel 4, fluid film bearing 5, preceding
Radial permanent magnet bearing 6, pilot blade 7, impeller 8, motor stator 9, rear guide vane 10, anti-friction bearing 11 are formed；
Pilot blade 7 is fixed on inside pump case 1 with rear guide vane 10, and the outside of impeller 8 carries spiral grooves, the normal work of impeller 8
When be not in contact with surrounding, radially supported by preceding radial permanent magnet bearing 6, rear radial permanent magnet bearing 2.Each journal bearing be by
Two annular permanent magnets form, i.e. outside magnetostatic iron hoop and internal moving magnet ring, rotor outer circle and impeller 8 at moving magnet ring
Root be located at different-diameter circle on.Now in order to increase radial direction repulsion radial direction magnetic bearing gap can accomplish it is smaller because forever
Permanent magnet inner and outer ring opposite polarity, magnetic force are equal in magnetic bearing, so impeller 8 realizes radial suspension under repulsion effect.
Electromagnet suction formula is as follows：
μ0--- --- space permeability；
The number of turn of n------ windings；
Exciting curent in i------ windings；
Cross-sectional area unshakable in one's determination s------；
The length of z------ air gaps.
From formula, suction (reprimand) power between theoretical upper magnet and distance z's square is inversely proportional, so gap length is to magnetic
The size of power influences very big between iron.
The centrally disposed revolution mandrel 4 of pump case 1, pilot blade 7 and rear guide vane 10 are sheathed on outside revolution mandrel 4, and leading
Gap is provided between leaf 7 and revolution mandrel 4, gap also is provided between rear guide vane 10 and revolution mandrel 4.The permanent magnetism axle of the present embodiment
Setting two is held, the magnetostatic iron hoop of preceding radial permanent magnet bearing 6 is arranged in pilot blade 7, and moving magnet ring is arranged at revolution mandrel 4
It is interior；The magnetostatic iron hoop of radial permanent magnet bearing 2 is arranged in rear guide vane 10 afterwards, and moving magnet ring is arranged in revolution mandrel 4.
The axial suspension of impeller 8 is formed using axial force caused by fluid film bearing 5, anti-friction bearing 11, radial permanent magnet bearing,
Fluid film bearing 5 is arranged at the afterbody of axial direction pilot blade 7, and anti-friction bearing 11 is arranged at the blood exit port of revolution mandrel 4, resistance to
The mill tail end of bearing 11 is resisted against right-hand end position in rear guide vane 10.The cod of the present embodiment is using fluid film bearing 5, wear-resisting
Bearing 11, being arranged to fluid film bearing, anti-friction bearing, magnetic suspension bearing during practical application can.
Magnetic steel of motor 3 is embedded on revolution mandrel 4 in pump case 1, magnetic steel of motor 3 is located inside impeller 8, and the outside of pump case 1 is right
Motor stator 9 should be set at impeller 8.One motor is set in blood pump, motor stator 9, includes silicon steel sheet and coil.
During normal work, blood left side from Fig. 1 flows into (this is blood inlet side), now radially denounces by journal bearing
Axial force caused by power makes revolution mandrel 4 withstand on rear end, and when being moved to the left impeller if any unexpected shock, fluid film bearing 5 acts as
With preventing impeller from hitting pilot blade 7, after external force eliminates, impeller is multiple rapidly under responsive to axial force caused by radial permanent magnet bearing
Position.
When impeller 8 rotates, left side entrance point blood is sucked by two passes, one between pilot blade 7 and pump case 1,
This is sprue, a gap between preceding radial permanent magnet bearing 6, and subsequent blood is pushed to the right blood pump by impeller 8 and exported
End.The blood flow overwhelming majority of output end flows out along outlet, has small part blood in addition due to differential pressure action, along rear radial direction forever
Flowed from outlet to impeller rear end face in gap between magnetic bearing 2.Consider suitable Permanent-magnet bearing gap, blood stream can be eliminated
Dynamic stagnation, avoids thrombus.
In the typical embodiment of another kind of the application, there is provided a kind of band has dislocation the axle of design radial permanent magnet bearing
Streaming blood pump, as shown in Fig. 2 mainly by pump case 13, rear radial permanent magnet bearing 17, motor 16, preceding radial permanent magnet bearing 14, leading
Leaf 12, impeller 15, motor 16, rear guide vane 18, anti-friction bearing 19 are formed；
Pilot blade 12 is fixed on inside pump case 13 with rear guide vane 18, and the outside of impeller 15 carries spiral grooves, and impeller 15 is normal
It is not in contact with surrounding during work, is radially supported by preceding radial permanent magnet bearing 14, rear radial permanent magnet bearing 17.Each journal bearing
All it is made up of two annular permanent magnets, i.e. outside magnetostatic iron hoop and internal moving magnet ring, rotor outer circle at moving magnet ring
It is located at the root of impeller 15 on different-diameter circle.The radial suspension of impeller 15 is between pump case 13.
In the present embodiment, preceding radial permanent magnet bearing 14, the magnetostatic iron hoop of rear radial permanent magnet bearing 17 are respectively positioned on outside pump case 13
Portion, moving magnet ring are respectively positioned on inside pump case 13, are embedded in inside the both ends of impeller 15, are allowed in the case of the blade height of impeller 15 is constant radially
Czermak space is as far as possible small inside and outside Permanent-magnet bearing.
Two anti-friction bearings 19 are set in pump case 13, and one of them is located at the afterbody of pilot blade 12, and another is located at rear guide vane
18 stems；The axial direction supporting of impeller 15 is realized using two anti-friction bearings 19.
Motor 16 is provided with corresponding to impeller 15, the stator of motor 16 is set outside pump case 13, and the magnet steel of motor 16 is in leaf
The inside of wheel 15 is set, and magnetic steel of motor and motor stator are oppositely arranged.
Shifting to install for Permanent-magnet bearing can also use other modes, as long as rotor at the moving magnet ring of radial permanent magnet bearing
Cylindrical and blade root is not in a diameter circle.
The preferred embodiment of the application is the foregoing is only, is not limited to the application, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (10)
- The axial blood pump of design radial permanent magnet bearing 1. a kind of band has dislocation, it is characterized in that, including pump case, the blood in pump case Arrival end is provided with pilot blade, and blood exit port is provided with rear guide vane in pump case；It is axially arranged between the pilot blade and rear guide vane Impeller, Permanent-magnet bearing is provided with the radial direction in impeller, Permanent-magnet bearing includes magnetostatic iron hoop and moving magnet ring, the moving magnet The rotor outer circle of ring and the root of impeller are located on different-diameter circle.
- 2. axial blood pump as claimed in claim 1, it is characterized in that, the centrally disposed revolution mandrel of pump case；It is described leading Leaf and rear guide vane are sheathed on revolution mandrel exterior, and gap is provided between pilot blade and revolution mandrel, rear guide vane and revolution core Gap also is provided between axle.
- 3. axial blood pump as claimed in claim 2, it is characterized in that, the Permanent-magnet bearing includes two, one of them quiet Magnet ring is arranged in pilot blade, and moving magnet ring is arranged in revolution mandrel；Another magnetostatic iron hoop is arranged in rear guide vane, Moving magnet ring is arranged in revolution mandrel.
- 4. axial blood pump as claimed in claim 1, it is characterized in that, liquid film axle is provided with the axial direction in the pump case Hold or anti-friction bearing or magnetic suspension bearing.
- 5. axial blood pump as claimed in claim 1, it is characterized in that, the revolution mandrel is provided with wear-resisting shaft in blood exit port Hold or fluid film bearing or magnetic suspension bearing.
- 6. axial blood pump as claimed in claim 2, it is characterized in that, motor stator is set in the pump case outer ring, turned round Mandrel outer ring is provided with the magnetic steel of motor relative with motor stator, and magnetic steel of motor is located at impeller internal.
- 7. axial blood pump as claimed in claim 1, it is characterized in that, carry spiral grooves outside the impeller.
- 8. axial blood pump as claimed in claim 1, it is characterized in that, the Permanent-magnet bearing includes two, two Permanent-magnet bearings Magnetostatic iron hoop be respectively positioned on outside pump case, the moving magnet ring of two Permanent-magnet bearings is respectively positioned on impeller internal.
- 9. the axial blood pump as described in claim 1 or 8, it is characterized in that, two anti-friction bearings are set in the pump case, wherein One is located at pilot blade afterbody, and another is located at rear guide vane stem.
- 10. the axial blood pump as described in claim 1 or 8, it is characterized in that, motor stator is provided with outside the pump case, in leaf Wheel is internal to be provided with the magnetic steel of motor relative with motor stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710596020.3A CN107469169B (en) | 2017-07-20 | 2017-07-20 | Axial-flow type blood pump with radial permanent magnet bearing in staggered design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710596020.3A CN107469169B (en) | 2017-07-20 | 2017-07-20 | Axial-flow type blood pump with radial permanent magnet bearing in staggered design |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107469169A true CN107469169A (en) | 2017-12-15 |
| CN107469169B CN107469169B (en) | 2020-03-31 |
Family
ID=60596645
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710596020.3A Active CN107469169B (en) | 2017-07-20 | 2017-07-20 | Axial-flow type blood pump with radial permanent magnet bearing in staggered design |
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| CN (1) | CN107469169B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108144146A (en) * | 2018-01-25 | 2018-06-12 | 兰州兰飞医疗器械有限公司 | A kind of implantable unilateral side axis self-balancing micro-axial blood pump |
| CN111001056A (en) * | 2019-12-31 | 2020-04-14 | 上海市东方医院（同济大学附属东方医院） | Magnetic suspension axial flow type blood pump |
| CN113730792A (en) * | 2021-09-24 | 2021-12-03 | 北京航空航天大学 | Extracorporeal circulation magnetic suspension mixed flow blood pump |
| CN114825754A (en) * | 2022-05-27 | 2022-07-29 | 河北工业大学 | Magnetic-liquid mixed suspension type axial flux rotating motor |
| CN114825754B (en) * | 2022-05-27 | 2024-04-26 | 河北工业大学 | Magnetic-liquid mixed suspension type axial magnetic flux rotating motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007032249A1 (en) * | 2005-09-13 | 2007-03-22 | Mitsubishi Heavy Industries, Ltd. | Artificial heart pump |
| CN104258481A (en) * | 2014-10-17 | 2015-01-07 | 山东科技大学 | Magnetic suspension axial flow type spiral driving device |
| CN105477706A (en) * | 2016-01-14 | 2016-04-13 | 山东大学 | Double-stator hybrid supporting artificial heart pump |
| CN105688298A (en) * | 2016-01-13 | 2016-06-22 | 山东大学 | Novel inner impeller axial flow blood pump |
| CN205460099U (en) * | 2016-01-07 | 2016-08-17 | 山东科技大学 | Novel centrifugal artificial heart pump |
-
2017
- 2017-07-20 CN CN201710596020.3A patent/CN107469169B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007032249A1 (en) * | 2005-09-13 | 2007-03-22 | Mitsubishi Heavy Industries, Ltd. | Artificial heart pump |
| CN104258481A (en) * | 2014-10-17 | 2015-01-07 | 山东科技大学 | Magnetic suspension axial flow type spiral driving device |
| CN205460099U (en) * | 2016-01-07 | 2016-08-17 | 山东科技大学 | Novel centrifugal artificial heart pump |
| CN105688298A (en) * | 2016-01-13 | 2016-06-22 | 山东大学 | Novel inner impeller axial flow blood pump |
| CN105477706A (en) * | 2016-01-14 | 2016-04-13 | 山东大学 | Double-stator hybrid supporting artificial heart pump |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108144146A (en) * | 2018-01-25 | 2018-06-12 | 兰州兰飞医疗器械有限公司 | A kind of implantable unilateral side axis self-balancing micro-axial blood pump |
| CN111001056A (en) * | 2019-12-31 | 2020-04-14 | 上海市东方医院（同济大学附属东方医院） | Magnetic suspension axial flow type blood pump |
| CN113730792A (en) * | 2021-09-24 | 2021-12-03 | 北京航空航天大学 | Extracorporeal circulation magnetic suspension mixed flow blood pump |
| CN113730792B (en) * | 2021-09-24 | 2022-09-27 | 北京航空航天大学 | Extracorporeal circulation magnetic suspension mixed flow blood pump |
| CN114825754A (en) * | 2022-05-27 | 2022-07-29 | 河北工业大学 | Magnetic-liquid mixed suspension type axial flux rotating motor |
| CN114825754B (en) * | 2022-05-27 | 2024-04-26 | 河北工业大学 | Magnetic-liquid mixed suspension type axial magnetic flux rotating motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107469169B (en) | 2020-03-31 |
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