CN203971003U - A kind ofly can effectively reduce thrombotic axial flow blood pump - Google Patents
A kind ofly can effectively reduce thrombotic axial flow blood pump Download PDFInfo
- Publication number
- CN203971003U CN203971003U CN201420334854.9U CN201420334854U CN203971003U CN 203971003 U CN203971003 U CN 203971003U CN 201420334854 U CN201420334854 U CN 201420334854U CN 203971003 U CN203971003 U CN 203971003U
- Authority
- CN
- China
- Prior art keywords
- hemisphere
- rotor
- guide vane
- rear guide
- blade
- 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
Landscapes
- External Artificial Organs (AREA)
Abstract
The utility model discloses and a kind ofly can effectively reduce thrombotic axial flow blood pump, comprise sleeve, the pump housing, drive coil, the pump housing comprises pilot blade, rotor, rear guide vane, rotor comprises rotor blade, permanent magnet and be arranged on the protruding hemisphere of two ends of rotor end, on pilot blade and rear guide vane, be provided with the recessed hemisphere corresponding with protruding hemisphere, recessed hemisphere bottom is provided with a vesicle, pilot blade and rear guide vane are fixed to respectively the two ends of sleeve inner, the protruding hemisphere of two ends of rotor respectively with pilot blade, the recessed hemisphere of rear guide vane coordinates formation hemisphere supporting construction, therefore by adopt the existence of hemisphere supporting construction and vesicle can bear before and after stator and rotor axis to a certain degree depart from processing and the installation difficulty reducing, and protruding hemisphere and recessed hemisphere surface are provided with ruby coating, the heat of semiglobe gap location can pass to fast blood and by blood, be taken away and then improved the heat transfer efficiency of gap location, avoids causing the formation of a large amount of hematoclasis and thrombosis.
Description
Technical field
This utility model relates to a kind of axial flow blood pump, is particularly a kind ofly applied to artificial heart and can effectively reduces thrombotic axial flow blood pump.
Background technology
World Health Organization's statistics demonstration, cardiovascular disease is the first killer who threatens human health always, accounts for 30% left and right of the total death toll in the whole world, the effective way for the treatment of heart failure in latter stage at end is heart transplantation or adopts implanted ventricular assist device.Although heart transplantation has obtained very ten-strike, heart donor problem is difficult to solve, and develops long-term implantable Small blood pump very important and urgent.The blood pump of clinical practice now mainly be take axial-flow pump as main, and the flow performance of axial-flow pump is better than centrifugal pump, and larger blood flow can be provided.The flow field of blood pump inside is very complicated, and the internal structure of blood pump has a significant impact the efficiency of the flow resistance of blood and blood pump, and hemocyte relatively also can break and cause haemolysis under high shear stress environment in blood pump.Due to the existence that has shaft type axial-flow pump in pilot blade and rotor contact area and rear guide vane and gap, rotor contact area, cause gap location to have amount of heat to produce and shear stress larger, gap location is the major part that blood coagulation occurs, thereby patient's life is formed greatly and threatened, and therefore a kind of axial-flow pump of the generation that can reduce gap location blood coagulation is extremely important.
Summary of the invention
In order to overcome the deficiencies in the prior art, the miniature shaftless axial flow blood pump of implantable of the formation that this utility model provides a kind of long service life, processing assembling is easy, heat-transfer effect is good, can effectively reduce thrombosis.
This utility model solves the technical scheme that its technical problem adopts:
Can effectively reduce a thrombotic axial flow blood pump, comprise sleeve, be arranged on the pump housing in sleeve and be arranged on the drive coil outside sleeve, the described pump housing comprises the pilot blade that is positioned at sleeve Inner Front End, be positioned at the rotor at sleeve middle part, and the rear guide vane that is positioned at sleeve afterbody, described rotor comprises rotor blade, permanent magnet and be arranged on the protruding hemisphere of two ends of rotor end, on described pilot blade, be provided with pilot blade blade, on described rear guide vane, be provided with rear guide vane blade, on described pilot blade and rear guide vane, be provided with the recessed hemisphere corresponding with protruding hemisphere, described pilot blade and rear guide vane are fixed to respectively the two ends of sleeve inner, the protruding hemisphere of described two ends of rotor respectively with pilot blade, the recessed hemisphere of rear guide vane coordinates formation hemisphere supporting construction, with supporting and location rotor, described protruding hemisphere and recessed hemisphere surface are provided with ruby coating.
Described recessed hemisphere bottom is provided with a vesicle.
Described two ends of rotor is also respectively arranged with front pyramidal structure, rear pyramidal structure.
Described permanent magnet is embedded in internal rotor, and the structure of the described pump housing except permanent magnet all adopts titanium alloy material to make.
The beneficial effects of the utility model are: this utility model is by adopting the design of concavo-convex hemisphere and vesicle structure can guarantee that rotor, stator contact position, front and back are subject to same wearing and tearing, therefore and then still can pass through semiglobe support rotor, thereby can improve the service life of pump and can tolerate rotor and front and back stator axis departing to a certain degree reduced processing and installation difficulty; Further, this utility model is by being provided with ruby coating at protruding hemisphere and recessed hemisphere surface, and the heat of semiglobe gap location can pass to fast blood and by blood, be taken away and then improved the heat transfer efficiency of gap location, can weaken the formation of thrombosis.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, this utility model is further illustrated.
Fig. 1 is structure diagram of the present utility model;
Fig. 2 is the structure chart of pump housing part;
Fig. 3 is the pilot blade structure chart of the pump housing;
Fig. 4 is the part-structure figure of the rotor of the pump housing;
Fig. 5 is the rear guide vane structure chart of the pump housing;
Detailed description of main elements: 1-pilot blade blade; 2-rotor blade; 3-rear guide vane blade; 4-pilot blade; 5-rotor; 6-rear guide vane; The protruding hemisphere of 7-; The recessed hemisphere of 8-; Pyramidal structure after pyramidal structure 10-before 9-; 11-permanent magnet; 12-drive coil, 13-sleeve, 14-vesicle.
The specific embodiment
Referring to figs. 1 through Fig. 5, Fig. 1 to Fig. 5 is the structural representation of a specific embodiment of this utility model, as shown in the figure, a kind ofly can effectively reduce thrombotic axial flow blood pump, comprise sleeve 13, be arranged on the pump housing in sleeve 13 and be arranged on the drive coil 12 outside sleeve 13, the described pump housing comprises the pilot blade 4 that is positioned at sleeve 13 Inner Front End portions, be positioned at the rotor 5 at sleeve 13 middle parts, and the rear guide vane 6 that is positioned at sleeve 13 afterbodys, described rotor 5 comprises rotor blade 2, permanent magnet 11, front pyramidal structure 9, rear pyramidal structure 10, protruding hemisphere 7, described front pyramidal structure 9, rear pyramidal structure 10 arranges respectively rotor 5 two ends, described protruding hemisphere 7 disposes two, and be separately positioned on front pyramidal structure 9, the end of rear pyramidal structure 10, on described pilot blade 4, be provided with pilot blade blade 1, on described rear guide vane 6, be provided with rear guide vane blade 3, on described pilot blade 4 and rear guide vane 6, be provided with the recessed hemisphere 8 corresponding with protruding hemisphere 7, described recessed hemisphere 8 bottoms are provided with a vesicle 14, described protruding hemisphere 7 and recessed hemisphere 8 surfaces are provided with ruby coating, described pilot blade 4 and rear guide vane 6 are fixed to respectively the two ends of sleeve 13 inside, the protruding hemisphere 7 at described rotor 5 two ends respectively with pilot blade 4, the recessed hemisphere 8 of rear guide vane 6 coordinates formation hemisphere supporting construction, with supporting and location rotor 5.
Described permanent magnet 11 is embedded in rotor 5 inside, in the pump housing, remaining part is non-magnet_conductible material, as titanium alloy, because titanium alloy is magnetic conduction not, therefore can obtain larger transfer of torque, and titanium alloy quality is light and have good biocompatibility, certainly in implementation process, also can adopt alloy material or other novel non-magnet_conductible materials such as niobium, tantalum; Described sleeve 13 can adopt cylindrical; The front end of pump body has been the pilot blade 4 of guide functions, mid portion is rotor 5, and afterbody is rear guide vane 6, by sleeve 13, three is linked together, the semiglobe that rotor 5 is comprised of protruding hemisphere 7, recessed hemisphere 8 respectively supports, and forms a shaftless rotor supports location structure.
This utility model, because the design of concavo-convex hemisphere and vesicle structure can guarantee that rotor 2, pilot blade 1, rear guide vane 3 contact positions are subject to same wearing and tearing, therefore and then still can pass through semiglobe support rotor, thereby can improve the service life of pump and can tolerate rotor and front and back stator axis departing to a certain degree reduced processing and installation difficulty; Further, this utility model is by being provided with ruby coating at protruding hemisphere 7 and recessed hemisphere 8 surfaces, and the heat of semiglobe gap location can pass to fast blood and by blood, be taken away and then improved the heat transfer efficiency of gap location, has reduced the formation probability of thrombosis.
In this utility model, drive coil 12 adopts stalloy solenoid, be arranged on outside sleeve 13, size of current and the direction by controller, controlled in Electromagnetic Drive coil produce alternating magnetic field driving rotor, rotating speed can reach 11000-13000 rev/min, thereby can produce the pressure reduction of 100-120mmHg, drive blood to circulate.
Above better enforcement of the present utility model is illustrated; certainly; this utility model can also adopt form different from the embodiment described above; the conversion being equal to that those of ordinary skill in the art do under the prerequisite without prejudice to spirit of the present invention or accordingly change, all should belong in protection domain of the present utility model.
Claims (4)
1. can effectively reduce a thrombotic axial flow blood pump, it is characterized in that: comprise sleeve (13), be arranged on the pump housing in sleeve (13) and be arranged on the outer drive coil (12) of sleeve (13), the described pump housing comprises the pilot blade (4) that is positioned at sleeve (13) Inner Front End, be positioned at the rotor (5) at sleeve (13) middle part, and the rear guide vane (6) that is positioned at sleeve (13) afterbody, described rotor (5) comprises rotor blade (2), permanent magnet (11) and be arranged on the protruding hemisphere (7) of rotor (5) end, two ends, on described pilot blade (4), be provided with pilot blade blade (1), on described rear guide vane (6), be provided with rear guide vane blade (3), on described pilot blade (4) and rear guide vane (6), be provided with the recessed hemisphere (8) corresponding with protruding hemisphere (7), described pilot blade (4) and rear guide vane (6) are fixed to respectively the inner two ends of sleeve (13), the protruding hemisphere (7) at described rotor (5) two ends respectively with pilot blade (4), the recessed hemisphere (8) of rear guide vane (6) coordinates formation hemisphere supporting construction, with supporting and location rotor (5), described protruding hemisphere (7) and recessed hemisphere (8) surface are provided with ruby coating.
2. according to claim 1ly a kind ofly can effectively reduce thrombotic axial flow blood pump, it is characterized in that: described recessed hemisphere (8) bottom is provided with a vesicle (14).
3. according to claim 1ly a kind ofly can effectively reduce thrombotic axial flow blood pump, it is characterized in that: described rotor (5) two ends are also respectively arranged with front pyramidal structure (9), rear pyramidal structure (10).
4. according to claim 1ly a kind ofly can effectively reduce thrombotic axial flow blood pump, it is characterized in that: described permanent magnet (11) is embedded in rotor (5) inside, the structure of the described pump housing except permanent magnet (11) all adopts titanium alloy material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420334854.9U CN203971003U (en) | 2014-06-20 | 2014-06-20 | A kind ofly can effectively reduce thrombotic axial flow blood pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420334854.9U CN203971003U (en) | 2014-06-20 | 2014-06-20 | A kind ofly can effectively reduce thrombotic axial flow blood pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203971003U true CN203971003U (en) | 2014-12-03 |
Family
ID=51968475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420334854.9U Active CN203971003U (en) | 2014-06-20 | 2014-06-20 | A kind ofly can effectively reduce thrombotic axial flow blood pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203971003U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104707194A (en) * | 2015-03-30 | 2015-06-17 | 武汉理工大学 | Implantable axial-flow type blood pump based on blood flowing pressure and Pivot supporting |
-
2014
- 2014-06-20 CN CN201420334854.9U patent/CN203971003U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104707194A (en) * | 2015-03-30 | 2015-06-17 | 武汉理工大学 | Implantable axial-flow type blood pump based on blood flowing pressure and Pivot supporting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203971002U (en) | A kind of hemisphere supporting construction axial flow blood pump that is applied to artificial heart | |
| CN103977464B (en) | A kind of implantable micro-axial blood pump of exit gradual change flow region | |
| CN101401981A (en) | Implanted miniature streamlined shaft bloodshed pump | |
| CN203971004U (en) | The axial flow blood pump that a kind of close structure and gap are little | |
| CN104208763B (en) | A kind of magnetic suspension shaft streaming blood pump | |
| CN102019002A (en) | Implanted hollow minimal axial blood pump | |
| ES2525941T3 (en) | A device and method to control the movement of a mitral valve in a controlled manner | |
| CN103191476B (en) | Single-fulcrum magnetomotive centrifugal blood pump | |
| CN102397598A (en) | Compact axial-flow magnetic-levitation artificial heart pump | |
| CN201658687U (en) | Micro screw rod-type blood pump | |
| CN106512118B (en) | A kind of full-implantation type magnetic liquid dual suspension axial flow blood pump | |
| CN104162192B (en) | A kind of liquid magnetic suspension shaft streaming blood pump | |
| CN203842087U (en) | Axial magnetic force uninstalling type axial flow pump heart auxiliary device | |
| CN204050452U (en) | A kind of heart assistance axial blood pump | |
| CN104274873A (en) | Miniature apex cordis axial-flow blood pump and implanting method thereof | |
| CN103446635A (en) | In vitro driving method of artificial heart pump | |
| CN104258481A (en) | Magnetic suspension axial flow type spiral driving device | |
| CN102166379A (en) | Adaptive drive system of aortic blood pump position | |
| CN103977463A (en) | Implanted miniature antithrombus axial blood pump | |
| CN104107466A (en) | Half-blade-rotor-type axial flow blood pump | |
| CN203971003U (en) | A kind ofly can effectively reduce thrombotic axial flow blood pump | |
| CN204121481U (en) | Left ventricle assist axle pump | |
| CN104056314A (en) | Implantable mini-type shaftless efficient heat transfer axial blood pump | |
| WO2015039605A1 (en) | Implanted self-suspended axial flow blood pump | |
| CN203984210U (en) | A kind of implantable drag cup brushless electric machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhongshan best artificial heart laboratory Co., Ltd. Assignor: Feng Senming Contract record no.: 2015440000325 Denomination of utility model: Axial flow blood pump capable of effectively reducing thrombogenesis Granted publication date: 20141203 License type: Exclusive License Record date: 20150619 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180702 Address after: 528400 1 health Road, Torch Development Area, Zhongshan, Guangdong Patentee after: Zhongshan best artificial heart laboratory Co., Ltd. Address before: 528400 1 health Road, Torch Development Area, Zhongshan, Guangdong Patentee before: Feng Senming |
|
| TR01 | Transfer of patent right |