CN210249903U - Oral cavity acquisition tool - Google Patents
Oral cavity acquisition tool Download PDFInfo
- Publication number
- CN210249903U CN210249903U CN201920004798.5U CN201920004798U CN210249903U CN 210249903 U CN210249903 U CN 210249903U CN 201920004798 U CN201920004798 U CN 201920004798U CN 210249903 U CN210249903 U CN 210249903U
- Authority
- CN
- China
- Prior art keywords
- protective cover
- collecting
- preservative
- handle
- oral
- 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
- 210000000214 mouth Anatomy 0.000 title abstract description 14
- 239000003755 preservative agent Substances 0.000 claims abstract description 48
- 230000002335 preservative effect Effects 0.000 claims abstract description 46
- 230000001681 protective effect Effects 0.000 claims abstract description 41
- 239000007787 solid Substances 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000002274 desiccant Substances 0.000 claims abstract description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 5
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 3
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 239000002808 molecular sieve Substances 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 3
- HUAUNKAZQWMVFY-UHFFFAOYSA-M sodium;oxocalcium;hydroxide Chemical compound [OH-].[Na+].[Ca]=O HUAUNKAZQWMVFY-UHFFFAOYSA-M 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- 210000003128 head Anatomy 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 239000008280 blood Substances 0.000 description 4
- 210000004369 blood Anatomy 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 108090000623 proteins and genes Proteins 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 210000003296 saliva Anatomy 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000003013 cytotoxicity Effects 0.000 description 1
- 231100000135 cytotoxicity Toxicity 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
Images
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides an oral cavity collecting tool, which uses the mode of preserving samples by solid desiccant, is arranged in a protective cover and is different from the prior liquid preservative; the electrostatic flocking swab is used, 95% of the collected sample can be released; the handle adopts an inward-concave waist position, so that the handle is convenient to grasp; the handle and the collecting rod are of an integrated structure and do not need to be assembled. The utility model provides a technical scheme of oral cavity collection instrument includes: a collecting part, a preservative and a protective cover; the collecting part comprises a collecting rod, a collecting head is arranged at the end part of the collecting rod, and the collecting rod extends into the protective cover when the collecting part is connected with the protective cover in a sealing way; the preservative is a solid desiccant and is clamped in the protective cover.
Description
Technical Field
The utility model relates to a be used for gathering technical field, concretely relates to oral cavity collection instrument.
Background
The traditional DNA sample collection mainly comes from the collection of blood samples, the blood sample collection is invasive collection, the injury and the pain are caused to the collected people, the collected people are disliked or even refused by most people, the operation is complex, and the cost is higher. Meanwhile, blood samples need to be stored at low temperature, and are time-consuming, labor-consuming and space-consuming.
With the rapid development of gene sequencing, the demand for collecting DNA samples is higher and higher, a large amount of DNA samples are required for human gene analysis, and the traditional blood DNA sample collecting mode has difficulty in meeting the demand of people for collecting DNA samples. Therefore, it is urgently needed to develop a DNA sample collection technology and a product which are convenient and quick, do not harm human bodies and have no pain in the collection process, so that the difficulty of DNA sample collection is reduced, and the application of gene detection is further expanded and promoted.
A large number of researches prove that saliva contains abundant DNA and is a high-quality source for collecting DNA samples. Saliva sample collection is a method for obtaining DNA without harm and pain to human body. The method can not cause any discomfort to the collected person and is easy to accept, so that the sampling range of gene research can be enlarged to the maximum extent, and the method is particularly suitable for large-scale population of molecular epidemiology.
The inner wall of the cheek is repeatedly scraped for 6 times by using a cotton swab to obtain the oral cavity cast-off cells, which is a more ideal DNA source. However, the sample collecting component and the storage component of the existing cotton swab are separated, so that the steps are various and the use is inconvenient; in addition, the wound fiber swab traps the sample in the fiber matrix, and only 20% -30% of the collected sample can be released; in addition, liquid preservatives, can cause leakage, risk of product failure and contact with the human body; in addition, the preservative directly treats the collection part, has cytotoxicity and is unsafe to use.
SUMMERY OF THE UTILITY MODEL
The utility model provides an oral cavity collecting tool, which uses the mode of preserving samples by solid desiccant, is arranged in a protective cover and is different from the prior liquid preservative; the electrostatic flocking swab is used, 95% of the collected sample can be released; the handle adopts an inward-concave waist position, so that the handle is convenient to grasp; the handle and the collecting rod are of an integrated structure and do not need to be assembled.
The utility model provides a technical scheme of oral cavity collection instrument includes:
a collecting part, a preservative and a protective cover;
the collecting part comprises a collecting rod, a collecting head is arranged at the end part of the collecting rod, and the collecting rod extends into the protective cover when the collecting part is connected with the protective cover in a sealing way;
the preservative is a solid desiccant and is clamped in the protective cover.
Preferably, the bottom of the protective cover is a preservative storage position for storing the preservative; and the protective cover is also provided with a preservative fixing position for limiting the preservative.
Preferably, the preservative fixing site has at least one indent.
Preferably, the number of the inner recesses is four, and the inner recesses are symmetrically arranged along the periphery of the protective cover.
Preferably, any position of the collecting rod can be provided with a weak point, and the weak point is an inner recess.
Preferably, the collecting part is further provided with a sealing ring, and the sealing ring is in sealing connection with the protective cover.
Preferably, the end part of the collecting part is provided with a handle which is of a hollow or solid structure.
Preferably, the handle is provided with an inward-concave waist position.
Preferably, the solid desiccant is any one of anhydrous calcium chloride, anhydrous magnesium sulfate, solid sodium hydroxide, soda lime, allochroic silica gel, activated alumina, anhydrous sodium sulfate, calcium sulfate, a molecular sieve and fibers.
In the technical scheme, the handle is provided with the concave waist position, so that the handle is convenient to grasp, and the handle is circular and inconvenient to grasp; the protective cover is integrated with the product, the structural design and the packaging structure, namely is a part of the product structure and is also a packaging material, and is different from the existing single package of the storage component and the acquisition component; the collecting component and the storing component are integrated, the preservative is arranged at the bottom of the protective tube, the number of components is small, the use is simple, the collecting component is different from the existing collecting component and the existing storing component, the components are various, and the use is complex; the handle and the acquisition rod are of an integrated structure and do not need to be assembled, and the structure is different from the existing structure that the handle and the acquisition rod are separated and need to be assembled.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of an oral cavity collection tool according to the present invention;
FIG. 2 is a structural diagram of the collecting part of the oral cavity collecting tool of the present invention;
FIG. 3 is a schematic diagram of a protective cap of an oral cavity collection tool according to the present invention;
fig. 4(a), (b) and (c) are schematic views of a section a-a of a protective cap of an oral cavity collection tool according to the present invention.
Detailed Description
The utility model provides an oral cavity collecting tool, which uses the mode of preserving samples by solid desiccant, is arranged in a protective cover and is different from the prior liquid preservative; the electrostatic flocking swab is used, 95% of the collected sample can be released; the handle adopts an inward-concave waist position, so that the handle is convenient to grasp; the handle and the collecting rod are of an integrated structure and do not need to be assembled.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model relates to a technical scheme of instrument is gathered in oral cavity includes:
a collecting part 1, a preservative 2 and a protective cover 3;
the collecting part 1 comprises a collecting rod 12, the end part of the collecting rod 12 is provided with a collecting head 16, and when the collecting part 1 is connected with the protective cover 3 in a sealing way, the collecting rod 12 extends into the protective cover 3;
the preservative 2 is embedded in the protective cover 3.
The following description will be made with respect to the collecting section 1, the preserving agent 2 and the protective cover 3, respectively.
(I) collecting section 1
As shown in fig. 2, the collecting section 1 comprises a collecting rod 12, the end of the collecting rod 12 having a collecting head 16.
The collection rod 12 may be an elongated shape as shown in the drawings, but of course, may also be a cylindrical shape or a polygonal shape, without limitation.
The pick head 16 may be made by a twisted wire brush, a flocked brush, an electrostatic flocked brush, or the like.
Considering that the collecting head 16 collects saliva of a human body and then carries out subsequent detection, in order to reduce the volume outside the detection part, a weak point 15 can be arranged at any position of the collecting rod 12, the weak point 15 can be an inner recess, the collecting rod 12 can be conveniently broken by utilizing the weak point 15, only the collecting head 16 can be left after collection is finished, and therefore the volume outside the detection part is reduced.
Considering that the collecting part 1 needs to extend into the protective cover 3, and in order to avoid external environmental pollution, the collecting part 1 is hermetically connected with the protective cover 3, at least one sealing ring 14 can be arranged on the collecting part 1 to cooperate with the protective cover 3 to realize sealing.
In the using process, the collecting part 1 needs to be drawn, and in order to facilitate the operation of the collecting part 1, the end part of the collecting part 1 can be provided with a handle 11 which is convenient for a user to hold. Further, the handle 11 may be hollow, and the handle 11 has a waist 13 recessed inward, and the waist 13 is elastic when pressed. Of course, the handle 11 may be a solid structure without limitation.
(2) Protective cover 3
The protective cover 3 has an opening for extending into the collecting section 1. The opening of the protective cover is matched with a sealing ring 14 of the acquisition part 1 to realize sealing.
The bottom of the protective cover 3 is a preservative storage location 34 for storing preservative 2.
In view of the fact that the preservative 2 is always confined within the protective cover 3, the protective cover 3 is further provided with a preservative fixing site 33 for fixing the preservative 2 within the preservative storage site 34.
The preservative fixing station 33 has at least one recess and may have a plurality of recesses, preferably four recesses as shown in fig. 4 (b).
When the preservative 2 passes through the tube 32 and the preservative fixing position 33, it reaches the preservative storing position 34. When the preservative 2 passes through the region of the preservative fixing position 33, the region is extruded by the preservative 2 and is expanded outwards, and after the preservative 2 passes through the region, the preservative fixing position 33 is restored to the original state to support the preservative 2 at the preservative storage position 34.
(2) Preservative 2
When the inside of the preservative 2 is small-particle-size particles, an outer package can be provided, and the outer package is made of a breathable material. When the particles with large particle size are used, the particles are placed at the storage position of the preservative and do not fall off under the supporting action of the preservative fixing position 33, and the air-permeable shell can not be added.
The preservative 2 is close enough to the collected sample, and the preservation effect is good.
The preservative 2 is any one of anhydrous calcium chloride, anhydrous magnesium sulfate, solid sodium hydroxide, soda lime, allochroic silica gel, activated alumina, anhydrous sodium sulfate, calcium sulfate, molecular sieve and fiber.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (9)
1. An oral collection implement, comprising:
a collecting part, a preservative and a protective cover;
the collecting part comprises a collecting rod, a collecting head is arranged at the end part of the collecting rod, and the collecting rod extends into the protective cover when the collecting part is connected with the protective cover in a sealing way;
the preservative is a solid desiccant and is clamped in the protective cover.
2. The oral collection implement of claim 1, wherein the bottom of the protective cover is a preservative storage location for storing the preservative; and the protective cover is also provided with a preservative fixing position for limiting the preservative.
3. The oral collection implement of claim 2, wherein the preservative fixation site has at least one indent.
4. The oral collection implement of claim 3, wherein the number of dimples is four and is symmetrically disposed about the periphery of the protective cover.
5. The oral collection implement of claim 1, wherein the collection rod is provided with a weak point at any location, and the weak point is an internal recess.
6. The oral collection implement of claim 1, wherein the collection portion further comprises a sealing ring, the sealing ring being sealingly connected to the protective cover.
7. The oral collection implement of claim 1, wherein the collection portion is provided with a handle at an end thereof, the handle being of hollow or solid construction.
8. The oral collection implement of claim 7, wherein the handle has an inwardly recessed waist thereon.
9. The oral collection implement of claim 1, wherein the solid desiccant is any one of anhydrous calcium chloride, anhydrous magnesium sulfate, solid sodium hydroxide, soda lime, allochroic silica gel, activated alumina, anhydrous sodium sulfate, calcium sulfate, molecular sieves, and fibers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920004798.5U CN210249903U (en) | 2019-01-03 | 2019-01-03 | Oral cavity acquisition tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920004798.5U CN210249903U (en) | 2019-01-03 | 2019-01-03 | Oral cavity acquisition tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210249903U true CN210249903U (en) | 2020-04-07 |
Family
ID=70010929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920004798.5U Expired - Fee Related CN210249903U (en) | 2019-01-03 | 2019-01-03 | Oral cavity acquisition tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210249903U (en) |
-
2019
- 2019-01-03 CN CN201920004798.5U patent/CN210249903U/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: 20200407 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |