CN207845645U - A kind of buccal swab DNA extraction kit - Google Patents
A kind of buccal swab DNA extraction kit Download PDFInfo
- Publication number
- CN207845645U CN207845645U CN201721886755.1U CN201721886755U CN207845645U CN 207845645 U CN207845645 U CN 207845645U CN 201721886755 U CN201721886755 U CN 201721886755U CN 207845645 U CN207845645 U CN 207845645U
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- installation
- inner cavity
- casing
- installation casing
- extraction kit
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Abstract
The utility model is related to field of medical article technology, and disclose a kind of buccal swab DNA extraction kit, including installing casing, the inner cavity left side wall of the installation casing is installed with fixed seat, it is installed with non-woven fabrics on the inner cavity left side wall of fixed seat, it is movably installed with connection base tube on the right side of the installation casing, connects and is installed with the brush handle that one end is run through and extends to installation inside pipe casing on the inner cavity right side wall of base tube.The buccal swab DNA extraction kit, by the way that fixed ring is arranged, from front and back handspike movement is pushed to centre respectively, so that movable branching rod is moved to the outside of installation loop bar from the inside of installation loop bar, then fixture block is made to be clamped with card slot, two fixed rings are fixed together and are played a supporting role to brush handle, fixed seat plays a supporting role to brush head simultaneously, prevent brush handle and brush head in transportational process from shaking the cell damage caused on brush head, it ensure that the integrality of cell on brush head, it is more convenient to use.
Description
Technical field
The utility model is related to field of medical article technology, specially a kind of buccal swab DNA extraction kit.
Background technology
In forensic DNA profiling analytic process, it is often necessary to acquire a large amount of living body biological sample, traditional method is to adopt
Use whole blood as detection sample, with the continuous development of DNA detection techniques, acquisition oral mucosa cast-off cells are as a kind of lossless
The more cheap acquisition mode of wound, no pain, easy to operate and cost is of increased attention.
It is with a shape and tooth that acquisition oral mucosa cast-off cells needs, which use buccal swab, specific application method,
Much the same thing is brushed, swab is put in into oral cavity, is wiped repeatedly in oral cavity wall to hang back, acquires oral mucosa cast-off cells, so
Afterwards by swab naturally dry, wires up and is sent to testing agency's detection, since swab needs to extend to cavity interior so that
The length of swab is generally longer, cause existing buccal swab acquired oral mucosa cast-off cells packaging be accommodated in kit
In after, in transportational process generate shake so that swab be easy contact and collide with the intracavity sidewall of kit, cause to remain in
Oral mucosa cast-off cells on swab are influenced the test result of DNA by breakage, need to extract detection again, use
It is very inconvenient, so propose that a kind of buccal swab DNA extraction kit is set forth above to solve the problems, such as.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of buccal swab DNA extraction kit, has use
Convenient advantage is solved since swab needs to extend to cavity interior so that the length of swab is generally longer, causes existing
After having acquired oral mucosa cast-off cells packaging and being accommodated in kit, generation is shaken in transportational process makes buccal swab
Swab is easy to contact and collide with the intracavity sidewall of kit, leads to remain in the oral mucosa cast-off cells on swab by broken
Damage, influences the test result of DNA, needs to extract detection again, use very inconvenient problem.
(2) technical solution
To realize that above-mentioned purpose easy to use, the utility model provide the following technical solutions：A kind of buccal swab DNA is carried
Kit, including installation casing, the inner cavity left side wall of the installation casing is taken to be installed with fixed seat, the inner cavity of fixed seat is left
It is installed with non-woven fabrics on side wall, connection base tube is movably installed on the right side of the installation casing, the inner cavity for connecting base tube is right
The brush handle that one end is run through and extends to installation inside pipe casing is installed on side wall, side of the brush handle far from connection base tube is fixed
Brush head is installed, installation loop bar is installed on the inner cavity front and rear sides wall of the installation casing, the inside of loop bar is installed
It is movably installed with one end and runs through and extend to the movable branching rod outside installation loop bar, side of the movable branching rod far from installation loop bar is solid
Dingan County is equipped with fixed ring, and the front surface of the fixed ring on installation cannula cavity rear wall offers card slot, is located at installation set
The back fixation of fixed ring on tube cavity front side wall is equipped with fixture block, and being installed with one end at the top of the movable branching rod passes through
The handspike of installation casing upper surface is worn and extended to, offers on the inner cavity roof of the installation loop bar and is adapted with handspike
The first U-shaped hole, it is described installation casing inner cavity top on offer the second U-shaped hole compatible with handspike, the second U-shaped hole
Inside it is installed with the sponge cushion block being sleeved on outside handspike.
Preferably, the fixed seat and installation casing inside be hollow structure, and fixed seat and installation casing inner cavity
Right side is openning shape.
Preferably, the brush head and fixed seat are all made of fillet design, and brush head is identical with the angle of fixed seat fillet.
Preferably, the connection type of the installation casing and connection base tube is to be threadedly coupled, the connection base tube and brush handle
Connection type be grafting.
Preferably, it is offered on the intracavity sidewall of the installation loop bar opposite side compatible with movable branching rod logical
Hole.
Preferably, the outer surface of the connection base tube is provided with increasing resistance screw thread.
(3) advantageous effect
Compared with prior art, the utility model provides a kind of buccal swab DNA extraction kit, has following beneficial
Effect：
1, the buccal swab DNA extraction kit pushes handspike to move to centre respectively by the way that fixed ring is arranged from front and back
It is dynamic so that movable branching rod is moved to the outside of installation loop bar from the inside of installation loop bar, so that fixture block is clamped with card slot, by two
A fixed ring, which is fixed together, plays a supporting role to brush handle, while fixed seat plays a supporting role to brush head, prevents from transporting
Brush handle and brush head shake the cell damage caused on brush head, non-woven fabrics and head contacts in the process, and non-woven fabrics is flexible light, can be with
Ensure to destroy the cell of head surface while brush head clean hygiene, ensure that the integrality of cell on brush head,
Ensure the accuracy of the detection of DNA, it is more convenient to use.
2, the buccal swab DNA extraction kit is installed by the way that sponge cushion block is arranged and offers the second U-shaped hole on casing
Facilitate and push handspike movement, sponge cushion block can seal the second U-shaped hole while the movement for the push rod that might as well be in the way again, keeps away
Bacterium is exempted from and installation casing is entered by the second U-shaped hole, ensure that the clean hygiene of installation inside pipe casing, further ensure that
The accuracy of the detection of DNA.
Description of the drawings
Fig. 1 is the utility model section structural schematic diagram；
Fig. 2 is the utility model positive structure schematic.
In figure：1 installation casing, 2 fixed seats, 3 non-woven fabrics, 4 connection base tubes, 5 brush handles, 6 brush heads, 7 installation loop bars, 8 activities
Strut, 9 fixed rings, 10 card slots, 11 fixture blocks, 12 handspikes, 13 first U-shaped holes, 14 second U-shaped holes, 15 sponge cushion blocks.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, a kind of buccal swab DNA extraction kit, including installation casing 1, the inner cavity for installing casing 1 are left
Side wall is installed with fixed seat 2, and the inside of fixed seat 2 and installation casing 1 is hollow structure, and fixed seat 2 and installation casing 1
Inner cavity on the right side of be openning shape, be installed with non-woven fabrics 3 on the inner cavity left side wall of fixed seat 2, the right side of installation casing 1 is lived
Dynamic to be equipped with connection base tube 4, the outer surface of connection base tube 4 is provided with increasing resistance screw thread, installation casing 1 and the connection for connecting base tube 4
Mode is to be threadedly coupled, and one end is installed on the inner cavity right side wall of connection base tube 4 and runs through and extends to inside installation casing 1
Brush handle 5, the connection type of connection base tube 4 and brush handle 5 is grafting, and side of the brush handle 5 far from connection base tube 4 is installed with brush
First 6, brush head 6 and fixed seat 2 are all made of fillet design, and brush head 6 is identical with the angle of 2 fillet of fixed seat, install the interior of casing 1
Installation loop bar 7 is installed on the wall of chamber front and rear sides, the internal activity of installation loop bar 7, which is equipped with one end, to be run through and extend to
Movable branching rod 8 outside loop bar 7 is installed, installs to offer on the intracavity sidewall of 7 opposite side of loop bar and be fitted with 8 phase of movable branching rod
The through-hole matched, side of the movable branching rod 8 far from installation loop bar 7 are installed with fixed ring 9, are located on rear side of 1 inner cavity of installation casing
The front surface of fixed ring 9 on wall offers card slot 10, and the back for being located at the fixed ring 9 on installation 1 inner cavity front side wall of casing is solid
Dingan County is equipped with fixture block 11, and the top of movable branching rod 8 is installed with the hand push that one end is run through and extends to 1 upper surface of installation casing
Bar 12 pushes handspike 12 to move so that movable branching rod 8 is moved to peace from the inside of installation loop bar 7 to centre respectively from front and back
The outside of encapsulation bar 7 then makes fixture block 11 be clamped with card slot 10, two fixed rings 9 is fixed together and play support to brush handle 5
Effect, while fixed seat 2 plays a supporting role to brush head 6, prevents brush handle 5 and the shaking of brush head 6 in transportational process from leading to brush head 6
On cell damage, non-woven fabrics 3 contacts with brush head 6, and non-woven fabrics 3 is flexible light, it is ensured that while 6 clean hygiene of brush head not
The cell on 6 surface of brush head can be destroyed, ensure that the integrality of cell on brush head 6, it is ensured that the accuracy of the detection of DNA,
It is more convenient to use, it installs and offers first U-shaped hole 13 compatible with handspike 12 on the inner cavity roof of loop bar 7, pacify
Second U-shaped hole 14 compatible with handspike 12 is offered on the inner cavity top of tubing 1, is fixedly mounted in the second U-shaped hole 14
There is the sponge cushion block 15 being sleeved on outside handspike 12, the second U-shaped hole 14 is offered on installation casing 1 and facilitates promotion handspike 12
Mobile, sponge cushion block 15 can seal the second U-shaped hole 14 while the movement for the push rod 12 that might as well be in the way again, avoids bacterium
Installation casing 1 is entered by the second U-shaped hole 14, the clean hygiene inside installation casing 1 is ensure that, further ensures that DNA's
The accuracy of detection.
In conclusion the buccal swab DNA extraction kit is pushed to centre by the way that fixed ring 9 is arranged from front and back respectively
Handspike 12 moves so that movable branching rod 8 is moved to the outside of installation loop bar 7 from the inside of installation loop bar 7, then makes fixture block 11
It is clamped with card slot 10, two fixed rings 9 is fixed together and are played a supporting role to brush handle 5, while fixed seat 2 plays brush head 6
To supporting role, prevent brush handle 5 and brush head 6 in transportational process from shaking the cell damage caused on brush head 6, non-woven fabrics 3 and brush
First 6 contact, non-woven fabrics 3 are flexible light, it is ensured that will not be carried out to the cell on 6 surface of brush head while 6 clean hygiene of brush head
It destroys, ensure that the integrality of cell on brush head 6, it is ensured that the accuracy of the detection of DNA, it is more convenient to use, by setting
It sets sponge cushion block 15, installs to offer the second U-shaped hole 14 on casing 1 and facilitate handspike 12 is pushed to move, sponge cushion block 15 can be with
By the second U-shaped hole 14 seal while and the movement of push rod 12 of might as well being in the way, avoid bacterium and entered by the second U-shaped hole 14
To installation casing 1, it ensure that the clean hygiene inside installation casing 1, further ensure that the accuracy of the detection of DNA, solve
Since swab needs to extend to cavity interior so that the length of swab is generally longer, and existing buccal swab is caused to acquire
After oral mucosa cast-off cells packaging is accommodated in kit, generates and shaken so that swab is easy and kit in transportational process
Intracavity sidewall contact and collide, lead to remain in the oral mucosa cast-off cells on swab by breakage, influence the test of DNA
As a result, it is desirable to which extraction detection again, uses very inconvenient problem.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of buccal swab DNA extraction kit, including installation casing (1), it is characterised in that：The installation casing (1)
Inner cavity left side wall is installed with fixed seat (2), and non-woven fabrics (3) is installed on the inner cavity left side wall of fixed seat (2), described
It is movably installed with connection base tube (4) on the right side of installation casing (1), one is installed on the inner cavity right side wall of connection base tube (4)
The internal brush handle (5) of installation casing (1) is run through and extends at end, and side of the brush handle (5) far from connection base tube (4) is installed with
Brush head (6), it is described installation casing (1) inner cavity front and rear sides wall on be installed with installation loop bar (7), installation loop bar (7)
Internal activity one end is installed runs through and extend to the external movable branching rod (8) of installation loop bar (7), movable branching rod (8) is separate
The side of installation loop bar (7) is installed with fixed ring (9), is located at the fixed ring (9) on installation casing (1) inner cavity rear wall
Front surface offers card slot (10), and the back fixation for being located at the fixed ring (9) on installation casing (1) inner cavity front side wall is equipped with card
Block (11) is installed with the hand push that one end is run through and extends to installation casing (1) upper surface at the top of the movable branching rod (8)
Bar (12), it is described installation loop bar (7) inner cavity roof on offer with compatible first U-shaped hole (13) of handspike (12), institute
It states and is offered on the inner cavity top of installation casing (1) and compatible second U-shaped hole (14) of handspike (12), the second U-shaped hole
(14) it is installed in and is sleeved on the external sponge cushion block (15) of handspike (12).
2. a kind of buccal swab DNA extraction kit according to claim 1, it is characterised in that：The fixed seat (2) and
The inside for installing casing (1) is hollow structure, and is openning shape on the right side of the inner cavity of fixed seat (2) and installation casing (1).
3. a kind of buccal swab DNA extraction kit according to claim 1, it is characterised in that：The brush head (6) and solid
Reservation (2) is all made of fillet design, and brush head (6) is identical with the angle of fixed seat (2) fillet.
4. a kind of buccal swab DNA extraction kit according to claim 1, it is characterised in that：The installation casing (1)
Connection type with connection base tube (4) is to be threadedly coupled, and the connection type of the connection base tube (4) and brush handle (5) is grafting.
5. a kind of buccal swab DNA extraction kit according to claim 1, it is characterised in that：The installation loop bar (7)
It is offered on the intracavity sidewall of opposite side and the compatible through-hole of movable branching rod (8).
6. a kind of buccal swab DNA extraction kit according to claim 1, it is characterised in that：The connection base tube (4)
Outer surface be provided with increasing resistance screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721886755.1U CN207845645U (en) | 2017-12-29 | 2017-12-29 | A kind of buccal swab DNA extraction kit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721886755.1U CN207845645U (en) | 2017-12-29 | 2017-12-29 | A kind of buccal swab DNA extraction kit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207845645U true CN207845645U (en) | 2018-09-11 |
Family
ID=63419767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721886755.1U Expired - Fee Related CN207845645U (en) | 2017-12-29 | 2017-12-29 | A kind of buccal swab DNA extraction kit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207845645U (en) |
-
2017
- 2017-12-29 CN CN201721886755.1U patent/CN207845645U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180911 Termination date: 20211229 |