CN202490626U - Valve type rubber plug and test tube - Google Patents
Valve type rubber plug and test tube Download PDFInfo
- Publication number
- CN202490626U CN202490626U CN2012200012984U CN201220001298U CN202490626U CN 202490626 U CN202490626 U CN 202490626U CN 2012200012984 U CN2012200012984 U CN 2012200012984U CN 201220001298 U CN201220001298 U CN 201220001298U CN 202490626 U CN202490626 U CN 202490626U
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- Prior art keywords
- plug
- valve
- test tube
- layer
- opening
- 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
- 239000004033 plastic Substances 0.000 claims description 7
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract 1
- 238000005070 sampling Methods 0.000 description 13
- 241000446313 Lamella Species 0.000 description 7
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 7
- 239000007799 cork Substances 0.000 description 7
- 239000012528 membrane Substances 0.000 description 6
- 230000006978 adaptation Effects 0.000 description 4
- 239000000443 aerosol Substances 0.000 description 2
- 239000003146 anticoagulant agent Substances 0.000 description 2
- 229940127219 anticoagulant drug Drugs 0.000 description 2
- 238000010241 blood sampling Methods 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 238000012864 cross contamination Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 210000002966 serum Anatomy 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Investigating Or Analysing Biological Materials (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model discloses a valve type rubber plug and a test tube, wherein the test tube comprises a tube body with an opening in one end and a rubber plug arranged on the opening for sealing the test tube, the rubber plug is tubular plug neck with openings in two ends, the opening of one end of the plug neck extends outwards to form a plug top, the plug top and the plug neck are of an integrate structure, a first valve layer is posted on the plug top, and the first valve layer completely covers the opening of the plug top; or a first valve layer is arranged on the inner wall of the plug neck, and the first valve layer encloses the plug neck, and the plug neck of the valve type rubber plug is matched with the tube body. The valve type rubber plug has advantages of simple operation, capability of effectively preventing outside air from entering the test tube and polluting a reagent in the test tube, and high practical applicability.
Description
Technical Field
The utility model relates to a plug especially relates to a valve formula plug and test tube.
Background
The sample collection test tube among the prior art uses plug or cork to plug the test tube mouth in order to guarantee the cleanliness of its inside holding sample usually. The test tube plug is plugged by using a rubber plug or a wooden plug, although the accommodating sample in the test tube can be positioned in a closed space, the test tube plug needs to be taken down when the substance is added and taken from the test tube, and the test tube plug is put back or not after the substance is added and taken. When a large amount of samples need to be added and taken, the test tube plugs are put back, the operation is troublesome, and the workload is large; the sample is not suitable to be preserved for a long time and biological or other pollution is easy to cause without putting back the test tube plug.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves is that the test tube plug or the cork commonly used among the prior art plugs the test tube mouth of pipe, need put aside plug or cork during the operation, causes troublesome poeration and makes the outside air get into the sample that pollutes in the test tube easily, has proposed a valve formula plug and test tube for this reason.
In order to solve the above technical problem, the utility model discloses a technical scheme be: providing a valve type rubber plug, which comprises a tubular plug neck with openings at two ends, and a plug top extending outwards from the opening at one end of the plug neck, wherein the plug top and the plug neck are of an integral structure, a first valve film layer is pasted on the plug top, and the first valve film layer completely covers the opening of the plug top; or the inner wall of the plug neck is provided with a first valve layer, and the first valve layer seals the plug neck.
Wherein, another opening part of the stopper neck is provided with a second valve layer covering the opening, and a closed cavity is formed between the first valve layer and the second valve layer.
Wherein the first and second valve layers each comprise at least one piece of a valve.
Wherein the number of the valves of the first valve film layer and the second valve film layer is 4-8.
In order to solve the above technical problem, the utility model discloses a another technical scheme is: providing a test tube, which comprises a tubular body with an opening at one end and a rubber plug arranged at the opening to seal the test tube, wherein the rubber plug comprises a tubular plug neck with openings at two ends, and a plug top extending outwards from the opening at one end of the plug neck, the plug top and the plug neck are of an integral structure, a first valve layer is pasted on the plug top, and the first valve layer completely covers the opening of the plug top; or the inner wall of the plug neck is provided with a first valve layer, the plug neck is sealed by the first valve layer, and the plug neck of the valve type rubber plug is matched with the tubular body.
Wherein, another opening part of stopper neck is equipped with and covers the open-ended second valve rete, the second valve rete with the plug is tightly connected, form airtight cavity between first valve rete and the second valve layer.
Wherein the first and second valve layers each comprise at least one piece of a valve.
Wherein the number of the valves of the first valve film layer and the second valve film layer is 4-8.
The wide-mouth department of test tube still be equipped with wide-mouth assorted test tube enclosing cover, the test tube enclosing cover includes plastic layer and rubber layer, rubber layer and plastic layer zonulae occludens.
Wherein, the inside opening that is "protruding" type of longitudinal section that still is equipped with of test tube enclosing cover.
The utility model has the advantages that: be different from rubber plug or cork commonly used in the test tube among the prior art and plug the test tube mouth of pipe, need put aside rubber plug or cork during the operation, cause troublesome poeration and make outside air get into the sample that pollutes in the test tube easily, this credit novel valve formula rubber plug and test tube, through set up the lamella rete on the rubber plug, during the sample, the application of sample needle punctures lamella rete and follows the sample taking in test tube, can prevent effectively like this that outside air from getting into the test tube, pollute the sample in the test tube, moreover, the operation is thus simple, the practicality is better. In addition, the utility model discloses still have following advantage:
1. when a reagent (such as an anticoagulant) is added into the test tube, the rubber plug does not need to be pulled out, so that the operation is convenient, and the labor is saved;
2. the device can be directly used for an automatic analyzer, does not damage the sampling needle, and can clean the sampling needle to a certain extent when the sampling needle is rubbed with the valve, so as to prevent cross contamination;
3. the test tube can ensure that the contents (such as serum and the like) in the test tube are not easy to leak to a great extent, and the biological safety is improved;
4. the generation of aerosol during centrifugation can be reduced for a common blood sampling test tube (non-vacuum), and the biological safety is improved;
5. when the sample is preserved, the relatively closed test tube mouth can prevent the liquid evaporation, prolongs the sample preservation time, guarantees the stability of the repeated testing result of sample.
Drawings
Fig. 1 is a schematic structural view of the valve type rubber plug of the present invention;
FIG. 2 is a schematic structural view of the test tube of the present invention;
fig. 3 is a schematic structural diagram of an embodiment of the present invention.
Wherein,
1-rubber plug, 10-plug top, 11-plug neck, 21-first valve membrane layer, 22-second valve membrane layer, 3-test tube, 31-test tube outer cover.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.
Referring to fig. 1, the present invention provides a valve type rubber plug, which comprises a tubular plug neck 11 with two open ends, and a plug top 10 extending outward from one end opening of the plug neck 11, wherein the plug top 2 and the plug neck 11 are integrated into a whole, a first valve film layer 21 is adhered to the plug top 10, and the first valve film layer 21 completely covers the opening of the plug top 10;
or the inner wall of the plug neck 11 is provided with a first valve film layer 21, and the first valve film layer 21 seals the plug neck 11;
a second valve layer 22 covering the opening is arranged at the other opening of the plug neck 11, a closed cavity is formed between the first valve layer 21 and the second valve layer 22, a third valve layer can be arranged in the closed cavity, and the third valve layer is parallel to the first valve layer 21 and the second valve layer 22 respectively. The first valve layer 21 and the second valve layer 22 comprise at least one valve, and considering that the thickness of the valve is very thin, in a preferred scheme, the valve layer generally comprises 4 to 8 pieces of valve membrane pieces, and of course, the number of the valve membrane pieces which can be selected by the valve layer is 1 to 3 or more than 8, which can also achieve the purpose of the scheme. The valve is made of a flexible material, and when the sampling needle is withdrawn, the small hole squeezed by the sampling needle on the valve can be automatically recovered, so that the external air is effectively prevented from entering the test tube.
Referring to fig. 2, the utility model provides a test tube, including one end open-ended tubulose body and install in the opening department airtight test tube 3's plug 1, plug 1 includes both ends open-ended tubulose gag neck 11, from the stopper top 10 that the one end opening of gag neck 11 extends outward, stopper top 10 and gag neck 11 structure as an organic whole, paste first lamella layer 21 on the stopper top 10, and first lamella layer 21 covers the opening of stopper top 10 completely, the gag neck 11 of lamella formula plug 1 tubular body adaptation;
the utility model also provides a test tube, including one end open-ended tubulose body with install in the opening is in the plug of airtight test tube, the plug includes both ends open-ended tubulose stopper neck, follows the outside stopper top that extends of stopper neck one end opening, stopper top and stopper neck structure as an organic whole, stopper neck inner wall is equipped with first valvular layer, just first valvular layer seals the stopper neck, the stopper neck of valvular layer formula plug tubulose body adaptation.
A second valve layer 22 covering the opening is arranged at the other opening of the plug neck 11, a closed cavity is formed between the first valve layer 21 and the second valve layer 22, a third valve layer can be arranged in the closed cavity, and the third valve layer is respectively parallel to the first valve layer 21 and the second valve layer 22. The first valve layer 21 and the second valve layer 22 each include at least one valve, and considering that the thickness of the valve is very thin, in a preferred embodiment, the valve layer generally includes 4 to 8 pieces of valve membrane pieces, and naturally, the number of the valve membrane pieces selectable by the valve layer is 1 to 3 or more than 8, which can also achieve the purpose of the present solution. The valve is made of a flexible material, and when the sampling needle is withdrawn, the small hole squeezed by the sampling needle on the valve can be automatically recovered, so that the external air is effectively prevented from entering the test tube.
Referring to fig. 3, in a specific embodiment, the wide-mouth of test tube 3 still be equipped with wide-mouth assorted test tube enclosing cover 31, test tube enclosing cover 31 includes plastic layer and rubber layer, the rubber layer is tightly connected with the plastic layer, the plastic layer lies in the shape of fixed test tube enclosing cover 31, the rubber layer lies in the outside wall adaptation with test tube 3 mouth, can better fastening test tube 3 simultaneously. The inside opening that still is equipped with the longitudinal section for "protruding" type of test tube enclosing cover 31, the structure of "protruding" type can make things convenient for the adaptation of test tube enclosing cover 31 and test tube mouth.
During the sample, take off test tube enclosing cover 31 on the test tube 3 earlier, then pierce through the valve layer of plug 1 through the sampling needle, extract reagent from 3 interior test tubes, the sample back that finishes takes out the sampling needle, and the aperture that the sampling needle left in the 1 diaphragm of plug can fold automatically, plays the effect of keeping apart 3 air in test tube and external air to protect the reagent in the test tube 3.
The utility model discloses be different from rubber plug or the cork commonly used in the test tube among the prior art and plug the test tube mouth of pipe, need put aside rubber plug or cork during the operation, cause troublesome poeration and make outside air get into the sample in the pollution test tube easily, rubber plug and test tube in the novel valve formula of credit, through set up the lamella rete on the rubber plug, during the sample taking, the broken lamella rete of application of sample needle is from the sample taking in test tube, can prevent effectively like this that outside air from getting into the test tube, pollute the sample in the test tube, moreover, the practicality is better. In addition, the utility model discloses still have following advantage:
1. when a reagent (such as an anticoagulant) is added into the test tube, the rubber plug does not need to be pulled out, so that the operation is convenient, and the labor is saved;
2. the device can be directly used for an automatic analyzer, does not damage the sampling needle, and can clean the sampling needle to a certain extent when the sampling needle is rubbed with the valve, so as to prevent cross contamination;
3. the test tube can ensure that the contents (such as serum and the like) in the test tube are not easy to leak to a great extent, and the biological safety is improved;
4. the generation of aerosol during centrifugation can be reduced for a common blood sampling test tube (non-vacuum), and the biological safety is improved;
5. when the sample is preserved, the relatively closed test tube mouth can prevent the liquid evaporation, prolongs the sample preservation time, guarantees the stability of the repeated testing result of sample.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the same principle as the present invention.
Claims (10)
1. A valvular rubber plug is characterized by comprising a tubular plug neck with openings at two ends, and a plug top extending outwards from the opening at one end of the plug neck, wherein the plug top and the plug neck are of an integral structure, a first valvular layer is pasted on the plug top, and the first valvular layer completely covers the opening of the plug top;
or the inner wall of the plug neck is provided with a first valve layer, and the first valve layer seals the plug neck.
2. The valvular rubber plug of claim 1, wherein a second valve layer covering the opening is arranged at the other opening of the plug neck, and a closed cavity is formed between the first valve layer and the second valve layer.
3. The valvular rubber plug of claim 1 or 2, wherein the first and second valve layers each comprise at least one valve.
4. The valvular rubber plug of claim 3, wherein the number of valves of the first valve layer and the second valve layer is 4-8.
5. A test tube, which is characterized in that the test tube comprises a tubular body with an opening at one end and a rubber plug installed at the opening to seal the test tube, wherein the rubber plug is the valve type rubber plug of claim 1, and the plug neck of the valve type rubber plug is matched with the tubular body.
6. The cuvette according to claim 5, wherein a second valve layer covering the opening is provided at the other opening of the plug neck, the second valve layer is tightly connected with the plug, and a sealed cavity is formed between the first valve layer and the second valve layer.
7. The cuvette of claim 5 or 6, wherein the first and second valve layers each comprise at least one valve.
8. The cuvette of claim 7, wherein the number of valves in each of the first and second valve layers is 4-8.
9. The test tube of claim 7, wherein the wide mouth of the test tube is further provided with a test tube outer cover matched with the wide mouth, the test tube outer cover comprises a plastic layer and a rubber layer, and the rubber layer is tightly connected with the plastic layer.
10. The cuvette according to claim 9, wherein the outer cover of the cuvette is further provided with an opening having a longitudinal section of a "convex" shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200012984U CN202490626U (en) | 2012-01-04 | 2012-01-04 | Valve type rubber plug and test tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200012984U CN202490626U (en) | 2012-01-04 | 2012-01-04 | Valve type rubber plug and test tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202490626U true CN202490626U (en) | 2012-10-17 |
Family
ID=46996870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200012984U Expired - Fee Related CN202490626U (en) | 2012-01-04 | 2012-01-04 | Valve type rubber plug and test tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202490626U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106672415A (en) * | 2015-11-09 | 2017-05-17 | 无锡市凯顺医疗器械制造有限公司 | Leakage-proof piece |
| WO2019006931A1 (en) * | 2017-07-04 | 2019-01-10 | 无锡市凯顺医疗器械制造有限公司 | Fitting structure of leak-proof member, test tube, and liquid extraction member |
-
2012
- 2012-01-04 CN CN2012200012984U patent/CN202490626U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106672415A (en) * | 2015-11-09 | 2017-05-17 | 无锡市凯顺医疗器械制造有限公司 | Leakage-proof piece |
| CN106672415B (en) * | 2015-11-09 | 2018-12-25 | 无锡市凯顺医疗器械制造有限公司 | A kind of leakage barriers |
| WO2019006931A1 (en) * | 2017-07-04 | 2019-01-10 | 无锡市凯顺医疗器械制造有限公司 | Fitting structure of leak-proof member, test tube, and liquid extraction member |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121017 Termination date: 20140104 |