CN217127416U - Cell sample filter device - Google Patents
Cell sample filter device Download PDFInfo
- Publication number
- CN217127416U CN217127416U CN202220605134.6U CN202220605134U CN217127416U CN 217127416 U CN217127416 U CN 217127416U CN 202220605134 U CN202220605134 U CN 202220605134U CN 217127416 U CN217127416 U CN 217127416U
- Authority
- CN
- China
- Prior art keywords
- filter screen
- filter
- shell
- casing
- upper shell
- 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.)
- Expired - Fee Related
Links
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 238000001914 filtration Methods 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 34
- 239000012780 transparent material Substances 0.000 claims description 3
- 230000001413 cellular effect Effects 0.000 claims 5
- 238000010276 construction Methods 0.000 claims 1
- 210000004027 cell Anatomy 0.000 description 10
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 239000012528 membrane Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009089 cytolysis Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000005059 placental tissue Anatomy 0.000 description 1
- 239000003761 preservation solution Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 210000000130 stem cell Anatomy 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a cell sample filtering device, which comprises a filter and an injector, wherein the filter comprises a lower shell and an upper shell, the lower end of the lower shell is provided with a liquid outlet, the upper end of the upper shell is provided with a liquid inlet, the liquid inlet is connected with the injector, the lower shell and the upper shell are matched to form an inner cavity, a filter screen is arranged in the inner cavity, a support frame with a hollow structure is arranged below the filter screen, the support frame supports the filter screen, and the filter screen is also provided with an elastic seal sleeve, the seal sleeve is provided with an inner taper hole, the outer wall of the seal sleeve is sleeved with the inner wall of the liquid inlet, and the inner taper hole of the seal sleeve is sleeved with the lower end of the injector; the problem of traditional mode filtration efficiency low that relies on the dead weight to filter is solved.
Description
Technical Field
The utility model relates to a cell purification field especially relates to a cell sample filter equipment.
Background
The impurities in the sample need to be filtered after the cell sample is obtained, the required cells are purified and then added into a preservation solution or a lysis solution for the next test, a cell filtering device is needed in the purification process, the traditional cell filtration can be referred to the CN 209226978U placenta tissue stem cell filtering device, the structure mainly pours the sample liquid into an upper container, the sample liquid flows down by the dead weight and passes through a filter screen or a filter membrane, and the filtration speed is fixed and slow by the dead weight and influences the test speed, so an external pressurization type filtering device is needed urgently, and the filtration is improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cell sample filter equipment has solved the tradition and has relied on the filterable mode filtration efficiency low problem of dead weight.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the cell sample filtering device comprises a filter and an injector, wherein the filter comprises a lower shell and an upper shell, a liquid outlet is formed in the lower end of the lower shell, a liquid inlet is formed in the upper end of the upper shell, the liquid inlet is connected with the injector, an inner cavity is formed by matching the lower shell and the upper shell, a filter screen is arranged in the inner cavity, a hollow-out structure supporting frame is arranged below the filter screen, and the filter screen is supported by the supporting frame.
In the preferred scheme, an elastic sealing sleeve is further arranged, an inner taper hole is formed in the sealing sleeve, the outer wall of the sealing sleeve is sleeved with the inner wall of the liquid inlet, and the inner taper hole of the sealing sleeve is sleeved with the lower end of the injector.
In the preferred scheme, the outer ring of the filter screen is provided with a sealing ring which is connected into a whole, and the end surface of the sealing ring is respectively propped against the lower shell and the upper shell.
In the preferred scheme, lower casing and last casing threaded connection, lower casing and last casing outer wall are equipped with first vertical groove and second vertical groove respectively.
In a preferred scheme, the lower shell and the upper shell are made of transparent materials.
In a preferred embodiment, the hollow structure of the support frame is a through-hole structure or a through-groove structure.
The utility model has the advantages that: the sealed inner cavity is pressurized through the injector, so that the filtering speed is increased, and the filtering efficiency is improved; the lower shell and the upper shell adopt an end face sealing form, so that the sealing performance of the device is improved; the liquid inlet of the upper shell is provided with a sealing sleeve with a taper hole, and the injector is plugged in the sealing sleeve to achieve good sealing and prevent air leakage during injection.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic diagram of the present invention.
Fig. 2 is a cross-sectional view of the filter of the present invention.
Fig. 3 is an exploded view of the filter of the present invention.
In the figure: a filter 1; a filter screen 101; a seal ring 102; a support frame 103; a lower case 104; an upper case 105; a sealing sleeve 106; a liquid outlet 107; a liquid inlet 108; a first vertical slot 109; a second vertical groove 110; a sink tank 111; a boss 112; an injector 2; a liquid receiving tube 3.
Detailed Description
As shown in fig. 1-3, a cell sample filtering device, comprises a filter 1 and an injector 2, the filter 1 comprises a lower casing 104 and an upper casing 105, a liquid outlet 107 is disposed at the lower end of the lower casing 104, a liquid inlet 108 is disposed at the upper end of the upper casing 105, the liquid inlet 108 is connected to the injector 2, a liquid receiving tube 3 is disposed below the liquid outlet 107 for containing filtered sample liquid, the lower casing 104 and the upper casing 105 cooperate to form a sealed inner cavity, a filter screen 101 or a filter membrane is disposed in the inner cavity, the size of the filter hole is 30-100um, because the filter screen 101 receives a large pressure during injection pressurization, a support frame 103 with a hollow structure needs to be disposed below the filter screen 101, the support frame 103 has a large strength, and can support the filter screen 101.
In the preferred scheme, an elastic sealing sleeve 106 is further arranged, the sealing sleeve 106 is provided with an inner taper hole, the outer wall of the sealing sleeve 106 is sleeved with the inner wall of the liquid inlet 108, the inner taper hole of the sealing sleeve 106 is sleeved with the lower end of the injector 2, and when the injection nozzle of the injector 2 is inserted downwards, the inner taper hole is in close contact with the injection nozzle, so that the sealing effect is achieved.
In a preferred scheme, a sealing ring 102 integrally connected with the outer ring of the filter screen 101 is arranged on the outer ring of the filter screen 101, namely the outer ring of the filter screen 101 is provided with the sealing ring, the filter screen 101 and the sealing ring 102 are manufactured as a whole, so that sealing at a seam is not required to be considered, the sealing ring 102 is made of rubber or silica gel, the end surfaces of the sealing ring 102 are respectively abutted against the lower shell 104 and the upper shell 105, and when the lower shell 104 and the upper shell 105 are tightly closed, the sealing ring 102 is compressed to play a role in sealing between the lower shell 104 and the upper shell 105.
In the preferred scheme, the lower end of the upper shell 105 is provided with a boss 112, the lower shell 104 is provided with a sinking groove 111, the sealing ring 102 is installed in the sinking groove 111, the lower shell 104 is in threaded connection with the upper shell 105, the boss 112 extrudes the sealing ring 102 to form end face sealing during rotation and locking, and the outer walls of the lower shell 104 and the upper shell 105 are respectively provided with a first vertical groove 109 and a second vertical groove 110 to increase friction force.
In the preferred scheme, lower casing 104 and upper casing 105 are transparent material such as organic glass, conveniently observe inside liquid surplus.
In a preferred embodiment, the hollow structure of the support frame 103 is a multi-through hole structure or a multi-through groove structure, so that the sample liquid can flow down conveniently.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.
Claims (6)
1. A cell sample filtration device, characterized by: including filter (1) and syringe (2), filter (1) is including casing (104) and last casing (105) down, casing (104) lower extreme is equipped with liquid outlet (107) down, it is equipped with inlet (108) to go up casing (105) upper end, inlet (108) are connected with syringe (2), casing (104) and last casing (105) cooperation form the inner chamber down, be equipped with filter screen (101) in the inner chamber, filter screen (101) below is equipped with hollow out construction's supporting rack (103), supporting rack (103) support filter screen (101).
2. The cellular sample filtration device of claim 1, wherein: an elastic sealing sleeve (106) is further arranged, an inner taper hole is formed in the sealing sleeve (106), the outer wall of the sealing sleeve (106) is sleeved with the inner wall of the liquid inlet (108), and the inner taper hole of the sealing sleeve (106) is sleeved with the lower end of the injector (2).
3. The cellular sample filtration device of claim 1, wherein: the outer ring of the filter screen (101) is provided with a sealing ring (102) which is integrally connected, and the end face of the sealing ring (102) is respectively abutted against the lower shell (104) and the upper shell (105).
4. The cellular sample filtration device of claim 1, wherein: the lower shell (104) is in threaded connection with the upper shell (105), and a first vertical groove (109) and a second vertical groove (110) are formed in the outer walls of the lower shell (104) and the upper shell (105) respectively.
5. The cellular sample filtration device of claim 1, wherein: the lower shell (104) and the upper shell (105) are made of transparent materials.
6. The cellular sample filtration device of claim 1, wherein: the hollow structure of the supporting frame (103) is a through hole structure or a through groove structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220605134.6U CN217127416U (en) | 2022-03-21 | 2022-03-21 | Cell sample filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220605134.6U CN217127416U (en) | 2022-03-21 | 2022-03-21 | Cell sample filter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217127416U true CN217127416U (en) | 2022-08-05 |
Family
ID=82644927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220605134.6U Expired - Fee Related CN217127416U (en) | 2022-03-21 | 2022-03-21 | Cell sample filter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217127416U (en) |
-
2022
- 2022-03-21 CN CN202220605134.6U patent/CN217127416U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220805 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |