CN108721961A - A kind of filter device of blood - Google Patents
A kind of filter device of blood Download PDFInfo
- Publication number
- CN108721961A CN108721961A CN201810601221.2A CN201810601221A CN108721961A CN 108721961 A CN108721961 A CN 108721961A CN 201810601221 A CN201810601221 A CN 201810601221A CN 108721961 A CN108721961 A CN 108721961A
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- Prior art keywords
- blood
- flow distribution
- filter device
- filter
- assembly
- Prior art date
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- Granted
Links
- 210000004369 blood Anatomy 0.000 title claims abstract description 77
- 239000008280 blood Substances 0.000 title claims abstract description 77
- 239000012528 membrane Substances 0.000 claims abstract description 41
- 238000009826 distribution Methods 0.000 claims abstract description 33
- 238000005213 imbibition Methods 0.000 claims abstract description 32
- 239000012530 fluid Substances 0.000 claims description 13
- 241000826860 Trapezium Species 0.000 claims description 4
- 238000001914 filtration Methods 0.000 abstract description 18
- 230000000694 effects Effects 0.000 abstract description 11
- 210000002381 plasma Anatomy 0.000 abstract description 8
- 230000017531 blood circulation Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000004615 ingredient Substances 0.000 description 9
- 239000012466 permeate Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000003743 erythrocyte Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 102000009123 Fibrin Human genes 0.000 description 1
- 108010073385 Fibrin Proteins 0.000 description 1
- BWGVNKXGVNDBDI-UHFFFAOYSA-N Fibrin monomer Chemical compound CNC(=O)CNC(=O)CN BWGVNKXGVNDBDI-UHFFFAOYSA-N 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229950003499 fibrin Drugs 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- -1 red blood cell Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/90—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/20—Pressure-related systems for filters
- B01D2201/202—Systems for applying pressure to filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2221/00—Applications of separation devices
- B01D2221/10—Separation devices for use in medical, pharmaceutical or laboratory applications, e.g. separating amalgam from dental treatment residues
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/10—Specific supply elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/24—Specific pressurizing or depressurizing means
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- External Artificial Organs (AREA)
Abstract
The invention belongs to the field of medical instrument technology, disclose a kind of filter device of blood.The filter device includes：Sealing-plug, imbibition tube assembly, section shunt assembly and filter membrane, the input end of imbibition tube assembly, which can be stretched into hermetically, to be equipped in the test tube of blood；Section shunt assembly includes flow distribution plate and multiple top plates being set on flow distribution plate, and the outlet end of imbibition tube assembly is set on flow distribution plate and is connected with baffle, and multiple top plates are located at around baffle and blood can be directed to the edge of flow distribution plate；Filter membrane is covered in section shunt assembly and is set on the top surface of top plate.Using this filter type, blood circulation is smooth, reduces filter pressure and filtration time, is conducive to the blood plasma formed after filtering and flows into collector, and then enhances filter effect.
Description
Technical field
The present invention relates to the field of medical instrument technology more particularly to a kind of filter devices of blood.
Background technology
Medical institutions are generally by the blood at the positions such as vein, artery or the finger of acquisition human body to obtain blood mark
This.
In general, blood preparation includes whole blood and blood plasma, wherein by whole blood after membrane filtration, the flaxen liquid in upper layer
For blood plasma.Filter is frequently resulted in due to containing various macromolecular components, these ingredients such as red blood cell, blood fat and fibrin in blood
Film blocks so that blood flow is unsmooth, and then influences the filter effect of blood.In addition, the prior art is needed in filtering
By multiple steps such as injection, centrifugation and extraction, operation is sufficiently complex.
Invention content
The purpose of the present invention is to provide a kind of filter device of blood, avoid certain ingredients due to cannot be by the filter membrane by
The case where causing filter membrane to block so that blood circulation is smooth, reduces filter pressure and filtration time, and then enhances filtering effect
Fruit.
For this purpose, the present invention uses following technical scheme：
A kind of filter device of blood includes：Imbibition tube assembly, what the input end of the imbibition tube assembly can seal stretches
Enter to be equipped in the test tube of blood；Section shunt assembly, the section shunt assembly include flow distribution plate and it is multiple be set to it is described
The outlet end of top plate on flow distribution plate, the imbibition tube assembly is set on the flow distribution plate and is connected with baffle, multiple
Blood can be directed at the edge of flow distribution plate by being located at the top plate around the baffle；Filter membrane, the filter membrane are covered in institute
It states section shunt assembly and is set on the top surface of the top plate.
Preferably, the one end of the imbibition tube assembly far from the section shunt assembly is provided with fluid aspirator, the suction
Liquid cover is conical structure.
Preferably, the imbibition tube assembly includes the first connecting tube and the second connecting tube, the one of first connecting tube
End is communicated in the fluid aspirator, and the other end is communicated in second connecting tube, and the outlet end of second connecting tube is set to
On the flow distribution plate.
Preferably, second connecting tube is obliquely installed relative to first connecting tube.
Preferably, the quantity of the top plate is two, two top plates are located at the baffle both sides and inclination
Setting.
Preferably, two top plate flare shapes, small-bore one end is towards the baffle plate setting.
Preferably, the shape of the top plate is rectangle structure.
Preferably, multiple top plates are circumferentially uniformly arranged on the flow distribution plate.
Preferably, the shape of the top plate is arc-shaped structure and trapezium structure.
Preferably, further including the collector being located above the filter membrane.
Beneficial effects of the present invention：
1) it can hermetically be stretched into and be equipped in the test tube of blood by the input end of setting imbibition tube assembly, used
When, which is integrally pushed so that it hermetically stretches into and is equipped in the test tube of blood, under the influence of air pressure, makes
Obtaining blood can be pressed into imbibition tube assembly；Pass through multiple top plates being set on flow distribution plate, the outlet end of imbibition tube assembly
It is set on flow distribution plate and is connected with baffle, multiple top plates being located at around baffle can will be in imbibition tube assembly
Blood is directed to the edge of flow distribution plate.
2) section shunt assembly is covered in by setting filter membrane and be set on the top surface of top plate, when certain ingredients are not due to
Can be when filter membrane cause the filter membrane of some position to block, blood is by partial flows and then permeates up to filter membrane, real
The filtering of existing blood.Using this filter type, blood circulation is smooth, reduces filter pressure and filtration time, is conducive to
The blood plasma formed after filter flows into collector, and then enhances filter effect.
3) filter device of the invention overcomes the prior art and exists using more, the complicated for operation defect of tool, structure letter
It is single, simple operation.
Description of the drawings
Fig. 1 is the structural schematic diagram of the filter device of blood of the present invention；
Fig. 2 is the vertical view of one middle section shunt assembly of the embodiment of the present invention；
Fig. 3 is the schematic diagram of direction of flow of blood in Fig. 2；
Fig. 4 is the vertical view of two middle section shunt assembly of the embodiment of the present invention；
Fig. 5 is the vertical view of three middle section shunt assembly of the embodiment of the present invention.
In figure：
1, imbibition tube assembly；2, section shunt assembly；3, filter membrane；
11, baffle；12, fluid aspirator；13, the first connecting tube；14, the second connecting tube；
21, flow distribution plate；22, top plate.
Specific implementation mode
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
Embodiment one
A kind of filter device of blood is present embodiments provided, as shown in Figs. 1-3, which includes：, pipette group
Part 1, section shunt assembly 2 and filter membrane 3, the input end of imbibition tube assembly 1, which can be stretched into hermetically, to be equipped in the test tube of blood,
Its middle section shunt assembly 2 includes flow distribution plate 21 and multiple top plates 22 being set on flow distribution plate 21, the outlet of imbibition tube assembly 1
End is set on flow distribution plate 21 and is connected with baffle 11, and multiple top plates 22 are located at around baffle 11 and can be by blood
It is directed to the edge of flow distribution plate 21.Meanwhile filter membrane 3 is covered in section shunt assembly 2 and is set on the top surface of top plate 22.
Input end by the way that imbibition tube assembly 1 is arranged, which can be stretched into hermetically, to be equipped in the test tube of blood, when in use,
The filter device is integrally pushed so that it hermetically stretches into and is equipped in the test tube of blood, under the influence of air pressure so that blood
Liquid energy is enough pressed into imbibition tube assembly 1；It is located at around baffle 11 by the way that multiple top plates 22 are arranged and is set to flow distribution plate
On 21, the outlet end of imbibition tube assembly 1 is set on flow distribution plate 21, and multiple top plates 22 can be by the blood in imbibition tube assembly 1
It is directed to the edge of flow distribution plate 21.
Be covered on section shunt assembly 2 and be set on the top surface of top plate 22 by the way that filter membrane 3 is arranged, when certain ingredients by
In cannot by filter membrane 3 cause some position filter membrane 3 block when, blood by partial flows and then permeate up to
Filter membrane 3 realizes the filtering of blood.Using this filter type, blood circulation is smooth, reduces filter pressure and filtration time,
Be conducive to the blood plasma formed after filtering and flow into collector, and then enhances filter effect.
The filter device of the present invention overcomes the prior art and there is more, the complicated for operation defect of the tool of using, simple in structure,
Simple operation.
It should be strongly noted that imbibition tube assembly 1, section shunt assembly 2 and filter membrane 3 can be all provided with as a whole
It is placed in the inside of sealing-plug (not shown), since the outer diameter of sealing-plug and the internal diameter of test tube match, sealing-plug can be close
Envelope stretches into test tube.In addition, sealing-plug is also used as the bottom that independent individual is set to imbibition tube assembly 1, due to close
The outer diameter and length of blocking are matched with test tube, and invisible spectro blood can be pressed into imbibition by sealing-plug during pushing
In tube assembly 1.Therefore, the present embodiment is not construed as limiting the shape of sealing-plug and position, can be carried out according to needs of production
Adjustment.
It should be strongly noted that the filter device further includes the collector (not shown) for being located at 3 top of filter membrane, it can
The blood plasma completed through the filtering of filter membrane 3 to be collected, so that post storage or experiment use.
As shown in Figure 1, the one end of imbibition tube assembly 1 far from section shunt assembly 2 is provided with fluid aspirator 12, wherein fluid aspirator
12 be conical structure, and the cone angle of fluid aspirator 12 is 60 °.It, can be with since the fluid aspirator 12 of cone has the function of gathering
Red blood cell or macromolecular components in blood is pushed to travel forward, subsequently into imbibition tube assembly 1.
As shown in Figure 1, be obliquely installed relative to the first connecting tube 13 using the second connecting tube 14 in imbibition tube assembly 1
Mode, avoid blood causes filter membrane 3 to have little time the situation of blood filtration by the excessive velocities of imbibition tube assembly 1
It is existing, filter pressure is reduced, is conducive to the blood plasma formed after filtering and flows into collector.
As Figure 2-3, above-mentioned section shunt assembly 2 includes two tops for being located at 11 both sides of baffle and being obliquely installed
Plate 22, two of which top plate 22 are rectangle structure, and two 22 flare shapes of top plate, and small-bore one end is towards baffle
11 settings.Since the outlet end of the second connecting tube 14 is set on section shunt assembly 2, and gear is movably connected in the outlet end
Plate 11 so that the blood of the second connecting tube 14 is flowed through under the iris action of baffle 11, it is larger to distance between two top plates 22
Direction flow to after the marginal position of section shunt assembly 2, shunted respectively around the side wall of two top plates 22 so that
Less blood backflow is to 11 position of baffle.Specifically as shown in figure 3, the track that flows to of blood is A-B-C-D, a closure is formed
Circuit.
Since the front end setting baffle 11 of two top plates 22 is obstructed so that the rear end of two top plates 22 forms opening and follows
The arrangement in the space of ring, two top plates 22 can not only buffer filter pressure, moreover it is possible to effectively divide using the structure of horn shape
Obturator and blood plasma are opened, and then improves filter effect.
It can also be assembled it should be strongly noted that the filter device of blood provided in this embodiment can be independently operated,
On arbitrary filter, to reduce filter pressure, achieve the purpose that optimum filtration effect.
The course of work of the filter device of blood provided in this embodiment is as follows：
First, which integrally pushes, and sealing-plug is hermetically stretched into and is equipped in the test tube of blood, in air pressure
Under effect so that blood can be pressed by fluid aspirator 12 in the first connecting tube 13 and the second connecting tube 14 successively；
Secondly, the blood of the second connecting tube 14 is flowed through under the iris action of baffle 11, to distance between two top plates 22
Larger direction flows to after the marginal position of section shunt assembly 2, is shunted respectively along the side wall of two top plates 22,
So that less blood backflow forms the circuit of a closure to 11 position of baffle；
Again, since filter membrane 3 is covered in section shunt assembly 2 and is set on the top surface of top plate 22, when certain ingredients by
In cannot by filter membrane 3 cause some position filter membrane 3 block when, blood by reciprocation cycle flow and then ooze upwards
Thoroughly to filter membrane 3, the filtering of blood is realized.
Embodiment two
The present embodiment and embodiment one differ only in that the shape sum number purpose of top plate 22 is different, remaining does not go to live in the household of one's in-laws on getting married herein
It states.Multiple top plates 22 are uniformly arranged on along the circumferential direction of the second connecting tube 14 on flow distribution plate 21 in the present embodiment, specifically, such as Fig. 4
Shown, the quantity of top plate 22 is preferably four, and the shape of top plate 22 is arc-shaped structure.
Since the space formed between two top plates 22 is also arc-shaped structure so that the distance between two top plates 22 edge
It the direction far from 14 outlet end of the second connecting tube gradually to increase, convenient for flowing through the blood of the second connecting tube 14 along top plate 22
Side wall is shunted, and to be directed to the edge of flow distribution plate 21, reduces filter pressure, so be effectively prevented from certain ingredients due to
Cannot by filter membrane 3 cause some position filter membrane 3 block the case where.
The course of work of the filter device of blood provided in this embodiment is as follows：
First, which integrally pushes, and sealing-plug is hermetically stretched into and is equipped in the test tube of blood, in air pressure
Under effect so that blood can be pressed by fluid aspirator 12 in the first connecting tube 13 and the second connecting tube 14 successively；
Secondly, the blood of the second connecting tube 14 is flowed through under the iris action of baffle 11, between two neighboring top plate 22
It flows through, and the edge that shunting is directed to flow distribution plate 21 is carried out respectively along the side wall of top plate 22；
Again, since filter membrane 3 is covered in section shunt assembly 2 and is set on the top surface of top plate 22, when certain ingredients by
In cannot by filter membrane 3 cause some position filter membrane 3 block when, blood by partial flows and then permeate up to
Filter membrane 3 realizes the filtering of blood.
Embodiment three
The present embodiment and embodiment two differ only in that the shape sum number purpose of top plate 22 is different, remaining does not go to live in the household of one's in-laws on getting married herein
It states.Multiple top plates 22 are uniformly arranged on along the circumferential direction of the second connecting tube 14 on flow distribution plate 21 in the present embodiment.Specifically, such as Fig. 5
Shown, the quantity of top plate 22 is preferably eight, and the shape of top plate 22 is trapezium structure.Due to the sky formed between two top plates 22
Between be also trapezium structure so that the distance between two top plates 22 gradually increase along far from the direction of 14 outlet end of the second connecting tube
Greatly, it is shunted along the side wall of top plate 22 convenient for flowing through the blood of the second connecting tube 14, to be directed to the edge of flow distribution plate 21,
Reduce filter pressure, and then is effectively prevented from certain ingredients due to that the filter membrane 3 of some position cannot be caused stifled by filter membrane 3
The case where plug.
Wherein the quantity of top plate 22 can be adjusted according to needs of production, be prolonged when needing the time to blood filtration
It, can the quantity appropriate that top plate 22 be increased when length is to increase filter effect.
The course of work of the filter device of blood provided in this embodiment is as follows：
First, which integrally pushes, and sealing-plug is hermetically stretched into and is equipped in the test tube of blood, in air pressure
Under effect so that blood can be pressed by fluid aspirator 12 in the first connecting tube 13 and the second connecting tube 14 successively；
Secondly, the blood of the second connecting tube 14 is flowed through under the iris action of baffle 11, between two neighboring top plate 22
It flows through, and the edge that shunting is directed to flow distribution plate 21 is carried out along the side wall of two top plates 22；
Again, since filter membrane 3 is covered in section shunt assembly 2 and is set on the top surface of top plate 22, when certain ingredients by
In cannot by filter membrane 3 cause some position filter membrane 3 block when, blood by partial flows and then permeate up to
Filter membrane 3 realizes the filtering of blood.
Obviously, the above embodiment of the present invention is just for the sake of clearly illustrating examples made by the present invention, and it is pair to be not
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement etc., should be included in the claims in the present invention made by within the spirit and principle of invention
Protection domain within.
Claims (10)
1. a kind of filter device of blood, which is characterized in that including：
Imbibition tube assembly (1), the input end of the imbibition tube assembly (1), which can be stretched into hermetically, to be equipped in the test tube of blood；
Section shunt assembly (2), the section shunt assembly (2) include flow distribution plate (21) and multiple are set to the flow distribution plate
(21) outlet end of the top plate (22) on, the imbibition tube assembly (1) is set on the flow distribution plate (21) and is connected with
Baffle (11), multiple top plates (22) are located at around the baffle (11) and blood can be directed to the flow distribution plate (21)
Edge；
Filter membrane (3), the filter membrane (3) are covered in the section shunt assembly (2) and are set on the top surface of the top plate (22).
2. the filter device of blood according to claim 1, which is characterized in that the imbibition tube assembly (1) is far from described
One end of section shunt assembly (2) is provided with fluid aspirator (12), and the fluid aspirator (12) is conical structure.
3. the filter device of blood according to claim 2, which is characterized in that the imbibition tube assembly (1) includes first
One end of connecting tube (13) and the second connecting tube (14), first connecting tube (13) is communicated in the fluid aspirator (12), another
End is communicated in second connecting tube (14), and the outlet end of second connecting tube (14) is set to the flow distribution plate (21)
On.
4. the filter device of blood according to claim 3, which is characterized in that second connecting tube (14) is relative to institute
The first connecting tube (13) is stated to be obliquely installed.
5. the filter device of blood according to claim 1, which is characterized in that the quantity of the top plate (22) is two,
Two top plates (22) are located at the baffle (11) both sides and are obliquely installed.
6. the filter device of blood according to claim 5, which is characterized in that two top plate (22) arrangements are in loudspeaker
Shape, small-bore one end are arranged towards the baffle (11).
7. the filter device of blood according to claim 5, which is characterized in that the shape of the top plate (22) is rectangle
Structure.
8. the filter device of blood according to claim 1, which is characterized in that multiple top plates (22) are along the imbibition
The circumferential direction of tube assembly (1) is uniformly arranged on the flow distribution plate (21).
9. the filter device of blood according to claim 8, which is characterized in that the top plate (22) be arc-shaped structure or
Trapezium structure.
10. the filter device of blood according to claim 1, which is characterized in that further include being located above the filter membrane (3)
Collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810601221.2A CN108721961B (en) | 2018-06-12 | 2018-06-12 | Blood filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810601221.2A CN108721961B (en) | 2018-06-12 | 2018-06-12 | Blood filtering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108721961A true CN108721961A (en) | 2018-11-02 |
| CN108721961B CN108721961B (en) | 2021-01-01 |
Family
ID=63929370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810601221.2A Active CN108721961B (en) | 2018-06-12 | 2018-06-12 | Blood filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108721961B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109507178A (en) * | 2018-12-25 | 2019-03-22 | 菏泽学院 | A kind of environment-friendly microbial indole test instrument |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4453927A (en) * | 1979-02-07 | 1984-06-12 | Gesco International | Method and apparatus for microfiltration of blood |
| US4923620A (en) * | 1987-10-20 | 1990-05-08 | Pall Corporation | Device for depletion of the leukocyte content of blood and blood components |
| EP0630675A1 (en) * | 1993-06-27 | 1994-12-28 | Terumo Kabushiki Kaisha | Leukocyte or leukocyte/platelet remover and filter therefor |
| CN1814310A (en) * | 2005-02-06 | 2006-08-09 | 淄博中保康医疗器具有限公司 | Disposable viral inactivating blood transfusion filting device |
| CN202155092U (en) * | 2011-07-15 | 2012-03-07 | 李国钰 | Needle filter |
| CN202490233U (en) * | 2012-03-02 | 2012-10-17 | 四川南格尔生物医学股份有限公司 | Novel blood fat filtration device |
| CN203763551U (en) * | 2013-12-26 | 2014-08-13 | 中原大学 | Blood filtering device |
| CN204656105U (en) * | 2014-11-18 | 2015-09-23 | 笙特科技股份有限公司 | Elastic shell type blood filter |
| CN207307359U (en) * | 2017-08-28 | 2018-05-04 | 广州市雷德生物科技有限公司 | A kind of piston filter column |
-
2018
- 2018-06-12 CN CN201810601221.2A patent/CN108721961B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4453927A (en) * | 1979-02-07 | 1984-06-12 | Gesco International | Method and apparatus for microfiltration of blood |
| US4923620A (en) * | 1987-10-20 | 1990-05-08 | Pall Corporation | Device for depletion of the leukocyte content of blood and blood components |
| EP0630675A1 (en) * | 1993-06-27 | 1994-12-28 | Terumo Kabushiki Kaisha | Leukocyte or leukocyte/platelet remover and filter therefor |
| CN1814310A (en) * | 2005-02-06 | 2006-08-09 | 淄博中保康医疗器具有限公司 | Disposable viral inactivating blood transfusion filting device |
| CN202155092U (en) * | 2011-07-15 | 2012-03-07 | 李国钰 | Needle filter |
| CN202490233U (en) * | 2012-03-02 | 2012-10-17 | 四川南格尔生物医学股份有限公司 | Novel blood fat filtration device |
| CN203763551U (en) * | 2013-12-26 | 2014-08-13 | 中原大学 | Blood filtering device |
| CN204656105U (en) * | 2014-11-18 | 2015-09-23 | 笙特科技股份有限公司 | Elastic shell type blood filter |
| CN207307359U (en) * | 2017-08-28 | 2018-05-04 | 广州市雷德生物科技有限公司 | A kind of piston filter column |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109507178A (en) * | 2018-12-25 | 2019-03-22 | 菏泽学院 | A kind of environment-friendly microbial indole test instrument |
| CN109507178B (en) * | 2018-12-25 | 2021-03-19 | 菏泽学院 | An environmentally friendly microbial indole tester |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108721961B (en) | 2021-01-01 |
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