CN209347744U - Centrifugal pump device with filter - Google Patents
Centrifugal pump device with filter Download PDFInfo
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- CN209347744U CN209347744U CN201820911065.5U CN201820911065U CN209347744U CN 209347744 U CN209347744 U CN 209347744U CN 201820911065 U CN201820911065 U CN 201820911065U CN 209347744 U CN209347744 U CN 209347744U
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- filter
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- enclosure
- magnetic part
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Abstract
The utility model relates to bio-medical technology fields, and in particular to a kind of centrifugal pump device with filter that can be applied to for example external ventricle circulatory assit system comprising: enclosure of pump head, enclosure of pump head have cavity, fluid inlet and fluid outlet；Fluid is blood；Rotor, rotor are set in cavity, and rotor can suspend and rotate, and are guided the fluid entered in cavity from fluid inlet to fluid outlet using the centrifugal force that rotation generates；Rotor includes the first magnetic part；Drive system, drive system include the second magnetic part, and the second magnetic part attracts each other with the first magnetic part；Fluid outlet is equipped with filter.In the fluid outlet of enclosure of pump head, filter is set, the filtration device structure includes mobile jib, multiple support portions and multiple interconnecting pieces, particularly suitable for being filtered and decomposing to thrombus, is inherently eliminated thrombus bring safety problem, to extend the service life of blood pump, while enhancing safety in utilization.
Description
Technical field
The utility model relates to bio-medical technology fields, and in particular to one kind can be applied to for example external ventricle circulation
The centrifugal pump device with filter of auxiliary system.
Background technique
It is auxiliary that the Chinese patent literature of Publication No. CN205698666U discloses a kind of external non-built-in mode magnetic suspension ventricle
Centrifugal blood pump is helped, as shown in Figure 1, the patent document proposes to use heparin coating in blood pump inner wall and vane rotor surface, to subtract
The formation of few blood coagulation and thrombus.
It is found through experiment that above-mentioned heparin coating acts on limited, centrifugal blood pump device for reducing blood coagulation and the formation of thrombus
Inevitably still there is thrombosed problem when in use, sustainability and peace that blood pump uses cannot be met well
Full property requirement.
Summary of the invention
In view of this, the purpose of this utility model is to improve the prior art, providing one kind, the service life is longer, safer
Centrifugal pump device.
Specifically, the above-mentioned purpose of the utility model is achieved through the following technical solutions:
A kind of centrifugal pump device, comprising: there is cavity, fluid inlet and fluid to go out for enclosure of pump head, the enclosure of pump head
Mouthful；The fluid is blood；Rotor, the rotor are set in the cavity, and the rotor can suspend and rotate, and utilize rotation
The centrifugal force of generation guides the fluid entered in the cavity from the fluid inlet to the fluid outlet；The rotor
Including the first magnetic part；Drive system, the drive system include the second magnetic part, second magnetic part with it is described
First magnetic part attracts each other；The fluid outlet is equipped with filter；It is characterized in that, the filter include mobile jib and
Supporter, the arranged direction of the mobile jib are parallel to the transmission direction of the fluid, and the supporter includes and the fluid
Multiple support portions that flow path wall fits, the supporter further include multiple interconnecting pieces for connecting the mobile jib.
The mobile jib, the multiple support portion and the multiple interconnecting piece of the filter are integrally formed approximate crown shape
Shape.
As a further improvement, the interconnecting piece is S-shaped flexible jointing-rod.
As a further improvement, described mobile jib one end is equipped with recoverer.Alternatively, the filter at least partly by can
The high molecular material and/or alloy material of degradation are formed.Preferably, degradable the materials'use lactic acid polymer and alloy
The combination of material.
As a further improvement, the surface of the inner wall of the enclosure of pump head and/or the rotor coats anticoagulant material
Coating.Preferably, the anticoagulant material includes hydrophilic polymer and/or haemocyanin.
As a further improvement, the filter and the enclosure of pump head are integrally formed or the filter is independent
Molding.
As a further improvement, the filter includes at least two, and at least two filter passes through twist-tie
Realization superposition is closed or is oppositely arranged to use.
Compared to the prior art, the utility model has the following beneficial effects:
(1) in view of centrifugal blood pump device is inevitably present thrombosed problem when in use, in enclosure of pump head
Fluid outlet filter is set, which includes mobile jib, multiple support portions and multiple interconnecting pieces, particularly suitable for blood
Bolt is filtered and decomposes, and is inherently eliminated thrombus bring safety problem and increases simultaneously to extend the service life of blood pump
Strong safety in utilization;
(2) on this basis, further make interconnecting piece S-shaped flexible jointing-rod, have relative to straight-bar structure more preferable
Filter effect;
(3) on this basis, recycle filter individually, alternatively, make filter at least partly by
Degradable material is formed.In this way, easily can be replaced or be reset when the service life of filter is used up;
(4) on this basis, further make filter include at least two, at least two filters by torsion combine,
Or be oppositely arranged realization superposition and use, to further enhance filter effect, prolong the service life;
(5) for processability using being integrally formed, certain filter can also be independent for the considerations of, filter and enclosure of pump head
Molding.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of prior art pump installation；
Fig. 2 is the overall structure diagram of the utility model pump installation；
Fig. 3 is the filter structure schematic representation of the utility model pump installation；
Fig. 4 is the improvement schematic diagram of the filtration device structure of the utility model pump installation；
Fig. 5 is that multiple filters of the utility model pump installation are superimposed the schematic diagram used.
Description of symbols: 1, enclosure of pump head；2, rotor；3, drive system；4, filter；4-1, mobile jib；4-2, support
Body；4-3, recoverer.
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing:
As shown in Fig. 2, a kind of centrifugal pump device of the utility model, comprising: enclosure of pump head 1, enclosure of pump head 1, which has, to be held
Chamber, fluid inlet and fluid outlet；Fluid is blood；Rotor 2, rotor 2 are set in cavity, and rotor 2 can suspend and rotate, benefit
The fluid entered in cavity from fluid inlet is guided to fluid outlet with the centrifugal force that rotation generates；Rotor 2 includes first
Magnetic part；Drive system 3, drive system 3 include the second magnetic part, and the second magnetic part is mutually inhaled with the first magnetic part
Draw；Fluid outlet is equipped with filter 4.
Fig. 3 shows the specific structure of filter 4, and filter 4 includes mobile jib 4-1 and supporter 4-2, the arrangement of mobile jib 4-1
It is oriented parallel to the transmission direction of fluid, supporter 4-2 includes the multiple support portions to fit with the flow path wall of fluid, supporter
4-2 further includes multiple interconnecting pieces for connecting mobile jib 4-1.Mobile jib 4-1, multiple support portions and the multiple interconnecting pieces of filter 4
It is integrally formed approximate crown shapes.
Fig. 4 is especially to the further improvement of interconnecting piece, and making interconnecting piece is specially S-shaped flexible jointing-rod, relative to straight
Rod structure has better filter effect.
When the service life of filter 4 is used up, in order to make it easily be replaced or be reset, further make to filter
Device can be recycled individually, as shown in figure 3, being for example equipped with recoverer 4-3 in the one end mobile jib 4-1；Alternatively, making filter 4 extremely
Small part is formed by degradable material.Preferably, the combination of degradable materials'use lactic acid polymer and alloy material.
As a further improvement, the surface of the inner wall and/or rotor of enclosure of pump head coats anticoagulant material coating.It is preferred that
, anticoagulant material includes hydrophilic polymer and/or haemocyanin.
Make further improvement in order to enhance the filtering effect, making filter includes at least two, as shown in figure 5, two filterings
Device 4a, 4b are combined or are oppositely arranged realization superposition by torsion and use, to further enhance filter effect, are extended and are used the longevity
Life.
Finally, the considerations of for processability, filter and enclosure of pump head are using being integrally formed, certain filter can also be single
Alone become type.
It should be understood that the above-mentioned specific embodiment of the utility model is only as citing, that is, the utility model
Spirit is not limited to content described in above-mentioned specific embodiment, and should be comprising all based on above-mentioned specific embodiment
Possible equivalent transformation.
Claims (7)
1. a kind of centrifugal pump device, comprising:
Enclosure of pump head, the enclosure of pump head have cavity, fluid inlet and fluid outlet；
The fluid is blood；
Rotor, the rotor are set in the cavity, and the rotor can suspend and rotate, will using the centrifugal force that rotation generates
The fluid entered in the cavity from the fluid inlet is guided to the fluid outlet；
The rotor includes the first magnetic part；
Drive system, the drive system include the second magnetic part, second magnetic part and first magnetic part
It attracts each other；
The fluid outlet is equipped with filter；
It is characterized in that, the filter includes mobile jib and supporter, the arranged direction of the mobile jib is parallel to the fluid
Transmission direction, the supporter include the multiple support portions to fit with the flow path wall of the fluid, and the supporter further includes
For connecting multiple interconnecting pieces of the mobile jib.
2. centrifugal pump device according to claim 1, which is characterized in that the mobile jib of the filter, described more
A support portion and the multiple interconnecting piece are integrally formed approximate crown shapes.
3. centrifugal pump device according to claim 1, which is characterized in that the interconnecting piece is S-shaped flexible jointing-rod.
4. centrifugal pump device according to claim 1, which is characterized in that described mobile jib one end is equipped with recoverer.
5. centrifugal pump device according to claim 1, which is characterized in that the inner wall of the enclosure of pump head and/or described
The surface of rotor coats anticoagulant material coating.
6. centrifugal pump device according to claim 1, which is characterized in that the filter and enclosure of pump head one
Molding or the filter are separately formed.
7. centrifugal pump device according to claim 1, which is characterized in that the filter includes at least two, described
At least two filters are combined or are oppositely arranged realization superposition by torsion and use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820911065.5U CN209347744U (en) | 2018-06-13 | 2018-06-13 | Centrifugal pump device with filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820911065.5U CN209347744U (en) | 2018-06-13 | 2018-06-13 | Centrifugal pump device with filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209347744U true CN209347744U (en) | 2019-09-06 |
Family
ID=67779651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820911065.5U Active CN209347744U (en) | 2018-06-13 | 2018-06-13 | Centrifugal pump device with filter |
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| Country | Link |
|---|---|
| CN (1) | CN209347744U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108671297A (en) * | 2018-06-13 | 2018-10-19 | 苏州心擎医疗技术有限公司 | Centrifugal pump device with filter |
-
2018
- 2018-06-13 CN CN201820911065.5U patent/CN209347744U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108671297A (en) * | 2018-06-13 | 2018-10-19 | 苏州心擎医疗技术有限公司 | Centrifugal pump device with filter |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 801, 802, 803 and 804, Building 7, No. 188 Fuchunjiang Road, High-tech Zone, Suzhou, Jiangsu, 215000 Patentee after: Xinqing Medical (Suzhou) Co.,Ltd. Address before: Floor 1, Building 13, 101Park, No. 158, Jinfeng Road, Technopole, High tech Zone, Suzhou City, Jiangsu Province, 215163 Patentee before: SUZHOU XINQING MEDICAL TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |