CN204939493U - A kind of Tissue Culture Dish preventing cell contamination - Google Patents
A kind of Tissue Culture Dish preventing cell contamination Download PDFInfo
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- CN204939493U CN204939493U CN201520429076.6U CN201520429076U CN204939493U CN 204939493 U CN204939493 U CN 204939493U CN 201520429076 U CN201520429076 U CN 201520429076U CN 204939493 U CN204939493 U CN 204939493U
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- culture dish
- tissue culture
- cell
- fungi
- proofing
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Abstract
The utility model relates to a kind of Tissue Culture Dish preventing cell contamination, comprise cell carrying ware, be placed on described cell carrying ware on fungi-proofing change liquid lid and with the described fungi-proofing pressure assembly changing liquid lid and be tightly connected.Tissue Culture Dish described in the utility model changes in the process of liquid at cell and does not need to open culture dish lid, directly can be realized by the suction of pressure assembly, greatly reduce the contaminated probability of cell, if cell is because a variety of causes causes, fungi-proofing to change liquid lid culture supernatants contaminated, adopt Tissue Culture Dish described in the utility model to make and save process fast and effectively, save experimental cost, shorten incubation time.
Description
Technical field
The utility model belongs to field of cell culture, is specifically related to a kind of Tissue Culture Dish preventing cell contamination.
Background technology
Along with continuous renewal and the improvement of science and technology, and the continuous research of the subject such as cytobiology and molecular biology, the exploration of people to science extends to microcosm from macrocosm.Along with the appearance of opticmicroscope and electron microscope, people attempt exploring the unknown world from cell levels and cellular and molecular level.But the pollution of bacterium becomes an inevitable difficult problem in cell cultivation process, along with updating of scientific research technology, people reduce the contaminated probability of cell by a series of means, even if like this, pollution problem in cell cultivation process is not still effectively solved, and this just substantially prolongs experimental period.Especially, when cultivating more precious cell, error that may be once slight makes the delay of experimental period and the consumption of great many of experiments funds.
Cell needs to constantly update nutrient solution in the process of cultivating, in the process using traditional culture dish to cultivate cell, need by old nutrient solution sucking-off, add new nutrient solution, in the process of operation, culture dish lid and culture dish are what to separate, be easy to the pollution causing bacterium, and pollute after cell and bacterium mix, be difficult to by simple method except degerming, for more precious cell, for the waste of the experiment fees that decreasing pollution brings, usually after cell contamination, in nutrient solution, a large amount of antibody is added and other reagent is remedied it, but effect is unstable.
Utility model content
(1) technical problem that will solve
To change at cell for prior art and easily cause the pollution of cell in the process of liquid and cause experimental period to extend and the defect of waste of experiment fees, the utility model provides a kind of Tissue Culture Dish preventing cell contamination.
(2) technical scheme
Tissue Culture Dish described in the utility model, comprise cell carrying ware, be placed on described cell carrying ware on fungi-proofing change liquid lid and with the described fungi-proofing pressure assembly changing liquid lid and be tightly connected.
In the utility model, the described fungi-proofing upper surface changing liquid lid changes liquid groove, described in change liquid groove bottom surface be resistance bacterium net.If displacement liquid groove directly can carry out replacing nutrient solution by liquid groove, do not need directly to open culture dish lid, this reduces the contaminated probability of cell.
In the utility model, described fungi-proofing change the upper surface of liquid lid change the small cylinder that liquid groove preferably caves inward, the bottom surface of described small cylinder is resistance bacterium net, the ratio that height and the described cell of described small cylinder carry the height of ware is 3 ~ 5:6, and diameter and the described fungi-proofing diameter ratio changing liquid lid of described small cylinder are 1:2 ~ 4.
In the utility model, described resistance bacterium net to be pore size the be filter membrane of 0.1 μm ~ 1 μm.The diameter of majority of fungal is greater than 2 ~ 30 μm, the utility model can filter out majority of fungal, when filter sizes is 0.22 μm, the requirement of degerming 99.99% of GMP or States Pharmacopoeia specifications can be reached, now bacterium also can be removed, and aperture between 0.22 μm ~ 1 μm time, with the reduction in aperture, resistance bacterium effect also better.When aperture is 0.1 μm, substantially all bacteriums, fungi can intercept, and has the effect of obstruct mycoplasma (diameter 0.1 μm).Although mycoplasma diameter is also 0.1 μm, when the diameter of particle is less than 0.5 μm, its inertia significantly reduces, and particle vibrations can increase, although so filter sizes is 0.1 μm, also effectively can intercept the mycoplasma that diameter is 0.1 μm.
In the utility model, the material of described resistance bacterium net is preferably polycarbonate membrane, and polycarbonate is a kind of film of stable physical property, can stand clean-out system, heating and high dose radiation sterilization, and does not occur to turn yellow and physicals decline.
In the utility model, described in change the interior edge of the oriented lower recess of upper limb of liquid groove, for supporting described pressure assembly, described interior edge is provided with 4 ~ 8 draw-in grooves caved in inwards.Described interior edge and draw-in groove are mainly used for supporting and sealing described pressure assembly.
In the utility model, described pressure assembly is piston-type pressure assembly, comprises piston barrel, the press rods be positioned on the piston of described piston barrel and described piston.
In the utility model, be provided with inwards outstanding sealing groove bottom described piston barrel, the width of described sealing groove is identical with the described width changing edge in liquid groove, is provided with seal assembly in described sealing groove, described sealing groove bottom arranges 4 ~ 8 latches, and described latch matches with described draw-in groove just.Draw-in groove and latch match, and after the two alignment, by rotating piston cylinder, latch is stuck in described interior along upper, to sealing-ring mineralization pressure, provides the culture environment of sealing, can prevent bacterial contamination.
In the utility model, described latch is preferably wedge shape.Select the latch of wedge shape, with the rotation of latch, the increasing pressure between draw-in groove and latch is large, can strengthen the sealing property of pressure assembly.
In the utility model, described cell carrying ware is the hollow cylinder of top end opening, has 4 ~ 8 ventilating columns in the upper end of the sidewall of described hollow cylinder, changes liquid lid for supporting be positioned at above described cell carrying ware fungi-proofing.Ventilating column is set and both can builds certain supporting role to the fungi-proofing liquid that changes, also help the ventilation of Tissue Culture Dish.
In the utility model, the thickness of the sidewall of described cell carrying ware is 3 ~ 6 times of bottom thickness.When pressure assembly works, gas flows through sidewall upper limb and fungi-proofingly changes between liquid lid, because sidewall is thicker, gas circuit is longer, and when bacterium enters culture dish, the path of process is also longer, and bacterium not easily enters culture dish, and long gas circuit not easily forms turbulent flow, also can reduce bacterium and enter culture dish.
In the utility model, described ventilating column is the right cylinder of diameter 3 ~ 6mm, high 1 ~ 3mm, and described cylindrical top is round and smooth arcuation.The top of ventilating column is set to round and smooth arcuation, can prevents it from the process of rotating, marking vestige at the described fungi-proofing liquid lid that changes.
The described use of Tissue Culture Dish in cell cultures of the present utility model specifically comprises the steps:
1) inoculating cell add nutrient solution in described cell carrying ware, covers and describedly fungi-proofingly changes liquid lid, cover Bonding pressure assembly, be placed in incubator and cultivate at the described fungi-proofing liquid that changes.
2) be cultured to when need change liquid, take out described Tissue Culture Dish, aseptically, pull described press rods, the nutrient solution in described cell carrying ware is drawn to and changes liquid groove, take off described pressure assembly, by described nutrient solution sucking-off of changing in liquid groove.
3) fresh medium is added described changing in liquid groove, described pressure assembly and the described fungi-proofing liquid lid that changes are tightly connected, promote described press rods, described fresh medium is pressed into described cell carrying ware, complete the replacing of nutrient solution, described Tissue Culture Dish is placed in incubator again and cultivates.
When changing the nutrient solution in liquid groove and being contaminated, according to situation about polluting, by operating as follows, cell can be cleaned:
1) remove and contaminatedly fungi-proofingly change liquid lid and pressure assembly.
2) in described cell carrying ware, add aseptic scavenging solution, cleaning cell, shifts out scavenging solution after cleaning.
3) add aseptic nutrient solution, and change identical new fungi-proofing of model and change liquid lid and pressure assembly, again put into incubator and cultivate.
(3) beneficial effect
1) Tissue Culture Dish described in the utility model covers to be provided with change liquid groove at the fungi-proofing liquid that changes, and change the opening part of liquid groove and pressure assembly is tightly connected, this vibrational power flow makes to change in the process of liquid at cell not need to open culture dish lid, directly can be realized by the suction of pressure assembly, this just greatly reduces the contaminated probability of cell, shorten experimental period, improve conventional efficient.
2) resistance bacterium net is provided with owing to changing liquid bottom portion of groove, effectively can intercept microorganism, even if the nutrient solution therefore changed in liquid groove is contaminated, cell generally also can not be caused to carry the pollution of cell in ware, the fungi-proofing nutrient solution changed in liquid lid and cell carrying ware directly more renewed gets final product decontamination, this set makes when cultivating precious cell, change nutrient solution in liquid lid to occur polluting also do not need cell that the cell carried in ware directly abandons even if fungi-proofing, greatly save experimental cost.
Accompanying drawing explanation
Fig. 1 is the front view of described Tissue Culture Dish
Fig. 2 is the vertical view of described Tissue Culture Dish
Fig. 3 is that the described fungi-proofing liquid that changes covers bilge construction figure
Fig. 4 is the front view of pressure assembly
Fig. 5 is the three-dimensional structure diagram of pressure assembly
In figure: 1, cell carrying ware; 2, sidewall; 3, ventilating column; 4, fungi-proofingly liquid lid is changed; 5, bacterium net is hindered; 6, piston barrel; 7, piston; 8, press rods; 9, liquid groove is changed; 10, draw-in groove; 11, interior edge; 12, sealing-ring; 13, latch; 14, sealing groove.
Embodiment
Following examples for illustration of the utility model, but are not used for limiting scope of the present utility model.
Embodiment 1
The present embodiment relates to a kind of Tissue Culture Dish preventing cell contamination, and its front view is as Fig. 1, and vertical view is as Fig. 2:
Comprise cell carrying ware 1, be placed on described cell carrying ware on fungi-proofing change liquid lid 4 and with the described fungi-proofing pressure assembly changing liquid lid and be tightly connected.
Described cell carrying ware is the hollow cylinder of top end opening, is provided with 6 ventilating columns 3 in the upper end of the sidewall 2 of described hollow cylinder, changes liquid lid 4 for supporting be positioned at above described cell carrying ware fungi-proofing.
Describedly fungi-proofingly change the hollow cylinder that liquid lid 4 is bottom end opening, the described fungi-proofing internal diameter changing liquid lid is greater than the external diameter of described cell carrying ware 1; The described fungi-proofing upper surface changing liquid lid changes liquid groove 9, describedly change the small cylinder of liquid groove 9 for caving inward, the bottom surface of described small cylinder is resistance bacterium net 5, the ratio that height and the described cell of described small cylinder carry the height of ware is 4:6, and diameter and the described fungi-proofing diameter ratio changing liquid lid of described small cylinder are 1:3.
Described pressure assembly is made up of the press rods 8 on piston barrel 6, the piston 7 being positioned at described piston barrel 6 and described piston.
Described cell carrying ware is the hollow cylinder of top end opening, is provided with 6 ventilating columns 3 in the upper end of the sidewall 2 of described hollow cylinder, changes liquid lid 4 for supporting be positioned at above described cell carrying ware fungi-proofing.
Embodiment 2
The present embodiment relates to a kind of Tissue Culture Dish preventing cell contamination, compares with embodiment 1, and its difference is,
Described resistance bacterium net is the filtering membrane of pore size 0.1 μm.
Describedly change the interior along 11 of the oriented lower recess of upper limb of liquid groove, for supporting described pressure assembly, described interior edge is provided with 4 draw-in grooves caved in inwards 10.(as shown in Figure 3)
Sealing groove 14 outstanding is inwards provided with bottom described piston barrel, the width of described sealing groove with described change in liquid groove identical along the width of 11, be provided with sealing-ring 12 in described sealing groove, described sealing groove bottom arranges 4 latches 13, and described latch matches with described draw-in groove just.(as shown in Figure 4, its three-dimensional structure diagram as shown in Figure 5 for its front view)
The thickness of the sidewall of described Tissue Culture Dish is 5 times of bottom thickness.
Ventilating column is the right cylinder of diameter 3mm, high 4mm, and described cylindrical top is round and smooth arcuation.
Embodiment 3
The present embodiment relates to the application of cell ware in cell cultures preventing cell contamination described in the utility model, specifically comprises the steps:
1) inoculating cell add nutrient solution in described cell carrying ware, covers and describedly fungi-proofingly changes liquid lid, cover Bonding pressure assembly, be placed in incubator and cultivate at the described fungi-proofing liquid that changes.
2) after being cultured to and need changing liquid, take out described Tissue Culture Dish, aseptically, pull described press rods, the nutrient solution in described cell carrying ware is drawn to and changes liquid groove, take off described pressure assembly, by described nutrient solution sucking-off of changing in liquid groove.
3) fresh medium is added described changing in liquid groove, described pressure assembly and the described fungi-proofing liquid lid that changes are tightly connected, promote described press rods, described fresh medium is pressed into described cell carrying ware, complete the replacing of nutrient solution, described Tissue Culture Dish is placed in incubator again and cultivates.
Embodiment 4
The present embodiment relate to fungi-proofing change nutrient solution in liquid lid pollute after impact on lower floor's cell contamination situation, it is specific as follows:
1) adopting membrane pore size, to be that 0.4um is fungi-proofing change liquid lid, in cell carrying ware, add 2.6ml not containing dual anti-nutrient solution, changes changing in liquid groove of liquid lid add 1.5ml not containing dual anti-nutrient solution fungi-proofing.
2) get hand skin bacterium, pollute in the nutrient solution changed in liquid groove, put into bacteriological incubator and cultivate, observe the fungi-proofing nutrient solution changed in liquid lid after 24h and turn yellow, represent that nutritive ingredient is decomposed by bacteria to acid product, bacterial growth is good.
3) nutrient solution in the nutrient solution changed in liquid groove and cell carrying ware is drawn respectively, be inoculated on blood agar culture dish, bacterial growth situation is observed after 24h, there is large stretch of bacterial growth after changing the nutrient solution inoculation in liquid groove and spread, after the nutrient solution inoculation in cell carrying ware, not having bacterium to grow.
From above experiment, 0.4um membrane pore size has had the ability stoping bacterium to enter lower floor's culture system, effectively can avoid the pollution lower floor of bacterium, reach antipollution object.Therefore in actually operating, if the nutrient solution changed in liquid groove is contaminated, the cell that Tissue Culture Dish of the present utility model can prevent cell from carrying in ware is effectively contaminated.
Although above done detailed description to the utility model with a general description of the specific embodiments, on the utility model basis, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements on the basis of not departing from the utility model spirit, all belong to the scope that the utility model is claimed.
Claims (9)
1. can prevent a Tissue Culture Dish for cell contamination, it is characterized in that, comprise cell carrying ware, be placed on described cell carrying ware on fungi-proofing change liquid lid and with the described fungi-proofing pressure assembly changing liquid lid and be tightly connected.
2. Tissue Culture Dish according to claim 1, is characterized in that, the described fungi-proofing upper surface changing liquid lid changes liquid groove, described in change liquid groove bottom surface be resistance bacterium net.
3. Tissue Culture Dish according to claim 2, is characterized in that, described resistance bacterium net is the filter membrane in 0.1 μm ~ 1 μm, aperture.
4. the Tissue Culture Dish according to Claims 2 or 3, is characterized in that, described in change the interior edge of the oriented lower recess of upper limb of liquid groove, for supporting described pressure assembly, described interior edge is provided with 4 ~ 8 draw-in grooves caved in inwards.
5. Tissue Culture Dish according to claim 1 and 2, is characterized in that, described pressure assembly is piston-type pressure assembly, comprises piston barrel, the press rods be positioned on the piston of described piston barrel and described piston.
6. Tissue Culture Dish according to claim 5, it is characterized in that, sealing groove outstanding is inwards provided with bottom described piston barrel, the width of described sealing groove is identical with the described width changing edge in liquid groove, be provided with seal assembly in described sealing groove, described sealing groove bottom arranges 4 ~ 8 latches that to match with described draw-in groove.
7. Tissue Culture Dish according to claim 5, it is characterized in that, described cell carrying ware is the hollow cylinder of top end opening, is provided with 4 ~ 8 ventilating columns in the upper end of the sidewall of described hollow cylinder, changes liquid lid for supporting be positioned at above described cell carrying ware fungi-proofing.
8. Tissue Culture Dish according to claim 7, is characterized in that, the sidewall thickness of described cell carrying ware is 3 ~ 6 times of bottom thickness.
9. Tissue Culture Dish according to claim 7, is characterized in that, described ventilating column is the right cylinder of diameter 3 ~ 6mm, high 1 ~ 3mm, and described cylindrical top is round and smooth arcuation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520429076.6U CN204939493U (en) | 2015-06-19 | 2015-06-19 | A kind of Tissue Culture Dish preventing cell contamination |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520429076.6U CN204939493U (en) | 2015-06-19 | 2015-06-19 | A kind of Tissue Culture Dish preventing cell contamination |
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| CN204939493U true CN204939493U (en) | 2016-01-06 |
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| CN201520429076.6U Expired - Fee Related CN204939493U (en) | 2015-06-19 | 2015-06-19 | A kind of Tissue Culture Dish preventing cell contamination |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104988063A (en) * | 2015-06-19 | 2015-10-21 | 湖南中医药大学 | Cell culture dish capable of preventing cell contamination and application of cell culture dish |
| CN113549542A (en) * | 2021-07-19 | 2021-10-26 | 华北理工大学 | Microbial strain expanding culture device and method |
-
2015
- 2015-06-19 CN CN201520429076.6U patent/CN204939493U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104988063A (en) * | 2015-06-19 | 2015-10-21 | 湖南中医药大学 | Cell culture dish capable of preventing cell contamination and application of cell culture dish |
| CN113549542A (en) * | 2021-07-19 | 2021-10-26 | 华北理工大学 | Microbial strain expanding culture device and method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20160619 |