CN219058925U

CN219058925U - DNA sample holding card

Info

Publication number: CN219058925U
Application number: CN202222557211.8U
Authority: CN
Inventors: 王杰; 殷剑峰; 王春香
Original assignee: Jiangsu Kangwei Century Biotechnology Co ltd
Current assignee: Jiangsu Kangwei Century Biotechnology Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-05-23
Anticipated expiration: 2032-09-26

Abstract

The present utility model relates to a DNA sample holding card comprising: a holding card pocket and a holding card; the retaining card bag includes: the clamping bag and the flip cover are arranged at the top of the clamping bag and integrated with the clamping bag; the card bag outside includes: an information area and a bar code area; the retention card includes: a paper card support, a filter paper layer and a multi-layer paper folding structure; the filter paper layer comprises: the filter paper, the engagement card and the pull ring which is arranged at the top of the engagement card and integrated with the engagement card; the filter paper is adhered to the engagement card; the engagement card is adhered to the paper card holder; the bottom of the paper card support is adhered to the multi-layer paper folding structure; the bottom end of the multi-layer paper folding structure is adhered to the bottom end inside the clamping bag. According to the DNA sample holding card, a puncher is not required to punch holes, filter paper can be directly sheared, and cross contamination among samples is avoided.

Description

DNA sample holding card

Technical Field

The utility model relates to the technical field of biology, in particular to a DNA sample holding card.

Background

The DNA sample holding card can collect, transport, archive and purify nucleic acids of various biological samples at room temperature, and perform PCR, SNP analysis, RT-PCR, RFLP and restriction enzyme analysis, and can be applied to various samples such as blood, microorganisms, plant substances, solid tissues, cultured cells, viruses and the like. DNA sample retention cards are widely used in gene storage, medical detection, food-borne pathogen detection and other fields, and can collect samples in the field without worrying about the need for immediate cryopreservation, avoiding nucleic acid degradation and contamination, and without requiring expensive special treatment or dry ice preservation for transporting the samples back to the laboratory. The method can be used as a universal, quick and simple template preparation method for research in various aspects.

Since microorganisms carried in the saliva and blood samples being collected degrade cellular DNA, especially in humid environments. In addition, the irradiation of sunlight also causes degradation of DNA during long-term storage, so that the above factors seriously affect the stability of the stored sample.

In addition, most of the existing DNA sample retaining cards in the market are provided with pre-folded broken lines in a label area, an information area and a sample area, so that the DNA sample retaining cards are easy to damage and cause loss of a certain part, secondly, the folding type filter paper or the bare filter paper structure is easy to cause external pollution in the operation process, a small sample needs to be taken down on the DNA sample retaining cards by a puncher in the sample pretreatment process, and a sampling device of the puncher needs to be cleaned continuously in time, otherwise, cross contamination among samples is easy to cause, and the punching area cannot be accurately controlled in the punching process so that the waste of part of blood samples is caused.

Disclosure of Invention

The present utility model has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present utility model is to provide a DNA sample holding card.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a DNA sample retention card comprising: a holding card pocket and a holding card; the retaining card bag includes: the clamping bag and the flip cover are arranged at the top of the clamping bag and integrated with the clamping bag; the card bag outside includes: an information area and a bar code area; the retention card includes: a paper card support, a filter paper layer and a multi-layer paper folding structure; the filter paper layer comprises: the filter paper, the engagement card and the pull ring which is arranged at the top of the engagement card and integrated with the engagement card; the filter paper is adhered to the engagement card; the engagement card is adhered to the paper card holder; the bottom of the paper card support is adhered to the multi-layer paper folding structure; the bottom end of the multi-layer paper folding structure is adhered to the bottom end inside the clamping bag.

Further, the bar code area is arranged as a storage bag with an upward opening, bar codes or two-dimensional codes can be pasted outside the bar code area, and the bar codes or the two-dimensional codes can be stored inside the bar code area.

Further, the shape of the connection card is trunk-shaped, and the filter paper is adhered to the bifurcation end of the trunk-shaped connection card.

Further, the number of the filter papers corresponds to the number of the bifurcation ends of the engagement cards, and the number is as follows: 4 to 6 tablets.

Further, a plurality of drying sheets are arranged at the bottom of the multi-layer paper folding structure, so that the drying inside the card bag is ensured.

Further, the interval between the filter papers is as follows: 5 mm-8 mm, and cross contamination of different filter papers is avoided.

Further, the filter paper is round or square in shape.

Further, a double faced adhesive tape is arranged on the inner side of the flip cover.

Further, the inner diameter of the pull ring is as follows: 3 mm-6 mm, the pull ring is proper in size and convenient to use.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the filter paper is adhered to the trunk-shaped bifurcation end of the engagement card, the engagement card is adhered to the paper card holder, a puncher is not required to punch holes, the filter paper can be directly sheared off, cross contamination between samples is avoided, and meanwhile, the use of workers is convenient, and the operation is simple;

2. according to the utility model, through the multi-layer paper folding structure and the paper card holder, when a sample is in a holding state, the sample can be stored in the card bag in a shrinkable manner, and the card bag is provided with the bag cover with double-sided adhesive, so that external pollution caused by direct exposure of filter paper is avoided, and meanwhile, the holding card can be pulled out of the holding card bag through the set pull ring when the sample is taken, and secondary pollution when the sample is taken is avoided;

3. the bar code area is arranged as a storage bag with an upward opening, the bar code or two-dimensional code can be attached to the outside of the bar code area, the bar code or two-dimensional code can be stored in the inside of the bar code area, the security of the bar code or the two-dimensional code is guaranteed by the design of the storage bag, the bar code or the two-dimensional code is not easy to lose and lose, one of the two-dimensional code or the bar code can be taken out to be attached to the bar code area in the use process, and the rest of the bar code can be used in the experimental process or kept for backup so as to be used for searching related detection information.

Drawings

FIG. 1 is a schematic diagram showing the overall structure of a DNA sample holding card;

fig. 2 shows a schematic view of the structure of the retaining card.

Reference numerals illustrate: 11. a clamping bag; 12. a flip cover; 13. an information area; 14. a bar code area; 21. a paper card holder; 22. a multi-layer paper folding structure; 23. a filter paper; 24. a connection card; 25. a pull ring; 26. and (5) drying the tablets.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

A DNA sample retention card according to the illustrations of figures 1 to 2, comprising: a holding card pocket and a holding card; the retaining card bag includes: the card bag 11 and a flip cover 12 which is arranged at the top of the card bag 11 and is integrated with the card bag 11; the outside of the card bag 11 includes: an information area 13 and a barcode area 14; the retention card includes: a paper card support 21, a filter paper layer and a multi-layer paper folding structure 22; the filter paper layer comprises: 6 pieces of filter paper 23, a trunk-shaped connecting card 24 and a pull ring 25 which is arranged at the top of the connecting card 24 and is integrated with the connecting card 24; the filter paper 23 is adhered to the trunk-shaped bifurcation end of the engagement card 24; the engagement card 24 is adhered to the paper card holder 21; the bottom of the paper card support 21 is adhered to the multi-layer paper folding structure 22; the bottom end of the multi-layer paper folding structure 22 is adhered to the bottom end of the inside of the card bag 11; the bar code area 14 is provided with a storage bag with an upward opening, bar codes or two-dimensional codes can be attached to the outside of the bar code area 14, and the bar codes or the two-dimensional codes can be stored in the inside of the bar code area; the bottom of the multi-layer paper folding structure 22 is provided with 4 drying sheets 26, so that the influence of a humid environment on the sample holding card can be avoided; the interval between the filter papers 23 is as follows: 6mm, cross contamination of different filter papers 23 is avoided; the filter paper 23 is circular in shape; a double faced adhesive tape is arranged on the inner side of the flip cover 12; the inner diameter of the pull ring 25 is: 4mm, the pull ring size is suitable, facilitate the use.

2. according to the utility model, through the multi-layer paper folding structure and the paper card support, when a sample is in a holding state, the sample can be stored in the card bag in a shrinkable manner, and the card bag is provided with the bag cover adhered by the double-sided adhesive tape, so that external pollution caused by direct exposure of filter paper is avoided, and meanwhile, the holding card can be pulled out of the holding card bag through the set pull ring when the sample is taken, and secondary pollution when the sample is taken is avoided;

When the multi-layer paper folding device is used, one hand holds the holding card bag, the other hand pulls the pull ring 25 upwards to drive the multi-layer paper folding structure 22 to extend upwards, so that the whole holding card is pulled out of the holding card bag, the filter paper 23 connected with the top end of the card 24 on the paper card support 21 is exposed, a sample is evenly dripped or smeared on the filter paper 23, and the sample is naturally dried at normal temperature.

After the sampling is finished, the same holding card bag is held by one hand, and the pull ring 25 is pressed downwards by the other hand, so that the multi-layer paper folding structure 22 is compressed downwards, the naturally dried holding card enters the holding card bag, and the naturally dried filter paper 23 is wrapped by the holding card bag, so that the sample can be prevented from being polluted by the outside.

In the use process, the filter paper 23 is sheared off at the joint with the engagement card 24 by using scissors, and then is sheared into the collecting pipes such as the EP pipe for further detection, and a puncher is not needed in the whole operation process, so that cross contamination among samples caused by unclean appliances in the puncher use process is avoided.

The inner layer of the flip cover is stuck with double-sided adhesive, the adhesive layer is uncovered to realize sealing, and the dried filter paper is completely wrapped. After the operation of all steps is finished, relevant information is marked in the information area, and the information area is stored for standby according to conditions, or is sent to a relevant mechanism, and the detection information is queried through the two-dimensional codes or the bar codes reserved by the relevant mechanism.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A DNA sample retention card comprising: a holding card pocket and a holding card; the retaining card bag is characterized by comprising: the card bag (11) and a flip cover (12) which is arranged at the top of the card bag (11) and integrated with the card bag (11); the outside of the card bag (11) comprises: an information area (13) and a barcode area (14); the retention card includes: a paper card support (21), a filter paper layer and a multi-layer paper folding structure (22); the filter paper layer comprises: the filter paper (23), the engagement card (24) and the pull ring (25) which is arranged at the top of the engagement card (24) and is integrated with the engagement card (24); the filter paper (23) is adhered to the engagement card (24); the engagement card (24) is adhered to the paper card holder (21); the bottom of the paper card support (21) is adhered with the multi-layer paper folding structure (22); the bottom end of the multi-layer paper folding structure (22) is adhered to the bottom end inside the clamping bag (11).

2. A DNA sample retention card according to claim 1, characterized in that the barcode area (14) is provided as an upwardly open storage bag.

3. A DNA sample holding card according to claim 1, wherein said engagement card (24) is trunk-like in shape, and said filter paper (23) is adhered to the trunk-like diverging ends of said engagement card (24).

4. A DNA sample retention card according to claim 3, characterized in that the number of filter papers (23) corresponds to the number of bifurcated ends of the adapter card (24), the number being: 4 to 6 tablets.

5. A DNA sample retention card according to claim 1, characterized in that the bottom of the multi-layer paper folding structure (22) is provided with a number of drying sheets (26).

6. A DNA sample retention card according to claim 1, characterized in that the spacing between the filter papers (23) is: 5 mm-8 mm.

7. A DNA sample retention card according to claim 1, characterized in that the filter paper (23) is circular or square in shape.

8. A DNA sample retention card according to claim 1, characterized in that the flip cover (12) is provided with double sided tape on the inside.

9. A DNA sample retention card according to claim 1, characterized in that the inner diameter of the pull ring (25) is: 3 mm-6 mm.