CN203451527U - Novel micro-injection needle sample injector - Google Patents
Novel micro-injection needle sample injector Download PDFInfo
- Publication number
- CN203451527U CN203451527U CN201320572858.6U CN201320572858U CN203451527U CN 203451527 U CN203451527 U CN 203451527U CN 201320572858 U CN201320572858 U CN 201320572858U CN 203451527 U CN203451527 U CN 203451527U
- Authority
- CN
- China
- Prior art keywords
- injection needle
- airtight
- injection
- spiral
- injection tube
- 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
- 238000000520 microinjection Methods 0.000 title abstract description 10
- 238000002347 injection Methods 0.000 claims abstract description 43
- 239000007924 injection Substances 0.000 claims abstract description 43
- 238000012856 packing Methods 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 7
- 239000002245 particle Substances 0.000 description 3
- 239000013614 RNA sample Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000252212 Danio rerio Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 241000283973 Oryctolagus cuniculus Species 0.000 description 1
- 241000269368 Xenopus laevis Species 0.000 description 1
- 238000010171 animal model Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010353 genetic engineering Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000001161 mammalian embryo Anatomy 0.000 description 1
- -1 pull pull bar Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Images
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- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a novel micro-injection needle sample injector which comprises a micro-injection needle (1), a fixed helix (2), an airtight helix (3), an airtight rubber pad (4), an injection barrel (5), sealing rubber (6) of the injection barrel, and a pull rod (7). The novel micro-injection needle sample injector is characterized in that the fixed helix (2), the airtight helix (3) and the injection barrel (5) are screwed with one another tightly by threads; and the airtight rubber pad (4) is arranged in the airtight helix (3) and is used for blocking a gap around the micro-injection needle (1).
Description
Technical field
The utility model discloses a kind of novel injection needle sampler, belongs to technical field of medical instruments.
Background technology
Microinjection is a kind of practicality in experimental biology research field and general experimental technique, uses the microinjection can be to the even unicellular genetic manipulations such as transgenosis that carry out of body early embryo, and this method has been successfully applied to zebra fish at present, Xenopus laevis, mouse, rat, in the laboratory animal such as rabbit.When microinjection, first need DNA to be injected or RNA sample to be filled in glass micro-injection pin, the method for filling generally adopting is at present that the elongated suction pipette head of point electrode is put in entry needle, by pipettor, DNA to be injected or RNA sample are injected in entry needle, this method has obvious shortcoming: one, injected sample general quantity is few and precious, and sample suction suction pipette head is got in the process of entry needle again, because adhesion causes a large amount of losses of sample, and for the suction pipette head of sample introduction because tip is elongated and expensive, use cost is high, two, use the method, sample enters from the backshank of entry needle, if contain small particle in sample, easily stops up needle point when particle flows from backshank to needle point, and sample introduction is not only wasted sample again also wastes time and energy.
Summary of the invention
The utility model is for solving in microinjection experiment sample injection method loss too greatly and the problem easily resulting in blockage, and a kind of novel injection needle sampler providing.
For achieving the above object, the utility model provides a kind of novel injection needle sampler, and injection needle sampler of the present utility model is by injection needle, fixedly spiral, airtight spiral, rubber air packing, injection tube, injection tube caulking gum, pull bar form.Fixing spiral, airtight spiral, between injection tube, by screw thread, screw each other, during use by glass injection needle along backshank direction in left-to-right insertion sampler, fixedly spiral and airtight spiral screw successively, fixedly the effect of spiral is injection needle can be fixed in sampler, the squeezing action lateral extent of rubber air packing in airtight spiral after screwing, stop up injection needle space around, play sealing function, fix after injection needle, the needle point of injection needle is inserted in injection sample, pull pull bar, injection sample is extracted in injection needle, thereby complete the sample introduction process of injection needle.
The beneficial effects of the utility model are: one, adopt the directly mode of suction sample introduction, reduced the link through suction pipette head, reduced loss and the waste of sample, can meet the sample introduction demand of ultramicron; Two, adopt the input mode of suck-back, avoid the particle plugging needle point in sample, save time and sample.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, a kind of injection needle sampler, by injection needle 1, fixedly spiral 2, airtight spiral 3, rubber air packing 4, injection tube 5, injection tube caulking gum 6, pull bar 7 form, fixedly between spiral 2, airtight spiral 3, injection tube 5, by screw thread, screw each other, rubber air packing 4 is in airtight spiral 3, for stopping up injection needle 1 space around, fixedly spiral 2, airtight spiral 3, injection tube 5 and pull bar 7 are plastics, and the airtight rubber pad 4 in airtight spiral 3 and injection tube caulking gum 6 are rubber.
Described injection needle sampler, injection tube 5 is provided with scale.
Above-described embodiment is only explanation technical conceive of the present utility model and feature; its object is to allow the personage who is familiar with this art can understand content of the present utility model and be implemented; can not limit protection domain of the present utility model with this; all equivalences of doing according to the utility model spirit change or modify; effect is similar, all should be encompassed in protection domain of the present utility model.
Claims (3)
1. an injection needle sampler, by injection needle (1), fixedly spiral (2), airtight spiral (3), rubber air packing (4), injection tube (5), injection tube caulking gum (6), pull bar (7) form, it is characterized in that: fixedly spiral (2), airtight spiral (3), injection tube screw by screw thread between (5) each other, rubber air packing (4) is in airtight spiral (3), for stopping up injection needle (1) space around.
2. injection needle sampler according to claim 1, it is characterized in that: fixedly spiral (2), airtight spiral (3), injection tube (5) and pull bar (7) are plastics, airtight rubber pad (4) and injection tube caulking gum (6) in airtight spiral (3) are rubber.
3. injection needle sampler according to claim 1, is characterized in that: injection tube (5) is provided with scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320572858.6U CN203451527U (en) | 2013-09-16 | 2013-09-16 | Novel micro-injection needle sample injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320572858.6U CN203451527U (en) | 2013-09-16 | 2013-09-16 | Novel micro-injection needle sample injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203451527U true CN203451527U (en) | 2014-02-26 |
Family
ID=50131423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320572858.6U Expired - Fee Related CN203451527U (en) | 2013-09-16 | 2013-09-16 | Novel micro-injection needle sample injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203451527U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106754252A (en) * | 2017-02-22 | 2017-05-31 | 长沙傲图生物科技有限公司 | Micromanipulation tube assembly |
-
2013
- 2013-09-16 CN CN201320572858.6U patent/CN203451527U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106754252A (en) * | 2017-02-22 | 2017-05-31 | 长沙傲图生物科技有限公司 | Micromanipulation tube assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20140916 |
|
| EXPY | Termination of patent right or utility model |