CN219218011U

CN219218011U - Sampling tube and full-automatic nucleic acid detection extractor

Info

Publication number: CN219218011U
Application number: CN202223442744.8U
Authority: CN
Inventors: 王京京; 李晨婉; 高歌; 高利飞; 郑业焕; 付光宇
Original assignee: Autobio Diagnostics Co Ltd
Current assignee: Autobio Diagnostics Co Ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-06-20
Anticipated expiration: 2032-12-22

Abstract

The utility model discloses a sampling tube, which comprises a tube body and a tube cover for closing an opening at the upper end of the tube body, wherein a filter net bag for isolating a swab is arranged in the tube body, an inlet conduit is arranged at the upper end of the filter net bag, the inlet conduit is positioned in the tube body and is attached and fixed on the inner wall of the tube body, the lower opening of the inlet conduit is communicated with the filter net bag, the upper opening of the inlet conduit is aligned with the opening at the upper end of the tube body, and a notch for the inlet and outlet of a sample adding needle is arranged between the upper opening of the inlet conduit and the opening at the upper end of the tube body. The swab is kept apart through the filter string bag, avoids the application of sample needle to block up, and convenient to use is swift, and the full-automatic appearance that draws of adaptation improves detection efficiency, practices thrift manpower resources. The utility model also discloses a full-automatic nucleic acid detection extractor comprising the sampling tube.

Description

Sampling tube and full-automatic nucleic acid detection extractor

Technical Field

The utility model relates to the field of detection instruments, in particular to a sampling tube. In addition, the utility model also relates to a full-automatic nucleic acid detection extractor comprising the sampling tube.

Background

In the field of disease control monitoring, a swab can be used for extracting body fluid, then the swab is placed in a sampling tube, a plurality of sampling tubes are placed on a support, and a sampling needle of a full-automatic extractor extends into the sampling tube so as to carry out subsequent work.

However, in the sampling process, a sampling person needs to hold the tube cover all the time, the swab directly enters the sampling tube, the sampling tube is mixed with sampling liquid and needs to vibrate before detection to enlarge sampling, when a sampling needle of the full-automatic nucleic acid detection extractor enters the sampling tube, the sampling needle is easily blocked by the swab, the swab pile and the like, so that the instrument stops working and even fails, and the efficiency of nucleic acid detection is affected.

Therefore, it is a technical problem that the person skilled in the art needs to solve at present how to provide a sampling tube that avoids the clogging of the sample addition needle.

Disclosure of Invention

The utility model aims to provide a sampling tube, which is characterized in that a swab is isolated by a filter string bag, so that the blockage of a sample adding needle is avoided, the use is convenient and quick, the detection efficiency is improved, and the human resources are saved. It is another object of the present utility model to provide a fully automatic nucleic acid detecting extractor comprising the above-mentioned sampling tube.

In order to solve the technical problems, the utility model provides a sampling tube, which comprises a tube body and a tube cover for closing an opening at the upper end of the tube body, wherein a filter net bag for isolating a swab is arranged in the tube body, an inlet conduit is arranged at the upper end of the filter net bag, the inlet conduit is positioned in the tube body and is attached and fixed on the inner wall of the tube body, a lower opening of the inlet conduit is communicated with the filter net bag, an upper opening of the inlet conduit is aligned with the opening at the upper end of the tube body, and a notch for a sample adding needle to enter and exit is arranged between the upper opening of the inlet conduit and the opening at the upper end of the tube body.

Preferably, the inlet conduit is a rigid conduit, the lower opening of which is used to compress a single passing swab.

Preferably, the inlet conduit is in particular a funnel structure with an inner diameter that tapers from top to bottom.

Preferably, the edge of the tube cover is connected with the tube body through a flip spring connector, the edge of the tube cover is clamped with the tube body through a buckle, and the flip spring connector and the buckle are respectively arranged at two opposite side edges of the tube cover.

Preferably, the lower end face of the pipe cover is provided with an annular baffle embedded into the opening at the upper end of the pipe body, and the periphery of the annular baffle is provided with a sealing ring.

Preferably, the outer wall of one side of the inlet conduit is attached to the upper part of the inner wall of the same side of the pipe body, and a gap is formed between the outer wall of the other side of the inlet conduit and the inner wall of the other side of the pipe body.

Preferably, the outer wall of the pipe body is provided with a positioning mark.

Preferably, the tube body is embodied as a soft elastic tube which can be deformed by extrusion.

Preferably, a hard pipe orifice is arranged at the opening of the upper end of the pipe body.

The utility model provides a full-automatic nucleic acid detection extractor, which comprises a bracket and a plurality of sampling tubes arranged on the bracket, wherein the sampling tubes are specifically any one of the sampling tubes.

The utility model provides a sampling tube, which comprises a tube body and a tube cover for closing an opening at the upper end of the tube body, wherein a filter net bag for isolating a swab is arranged in the tube body, an inlet conduit is arranged at the upper end of the filter net bag, the inlet conduit is positioned in the tube body and is attached and fixed on the inner wall of the tube body, the lower opening of the inlet conduit is communicated with the filter net bag, the upper opening of the inlet conduit is aligned with the opening at the upper end of the tube body, and a notch for the inlet and outlet of a sample adding needle is arranged between the upper opening of the inlet conduit and the opening at the upper end of the tube body.

In the working process, sampling personnel open the tube cover, put into the filter string bag with the swab after gathering by the import pipe, then reclose the tube cover, after transporting to the laboratory, open the tube cover, insert the pipe body with the application of sample needle by breach department, draw the sampling liquid, then can carry out follow-up work. The swab is kept apart through the filter string bag, avoids the application of sample needle to block up, and convenient to use is swift, and the full-automatic appearance that draws of adaptation improves detection efficiency, practices thrift manpower resources.

The utility model also provides a full-automatic nucleic acid detecting and extracting instrument comprising the sampling tube, and the full-automatic nucleic acid detecting and extracting instrument has the same technical effects as the sampling tube and the technical effects are not described in detail herein.

Drawings

FIG. 1 is a schematic view of a closed state structure of one embodiment of a sampling tube provided by the present utility model;

FIG. 2 is a schematic view of an open configuration of one embodiment of a sampling tube provided by the present utility model;

FIG. 3 is a schematic view of a flip spring attachment in one embodiment of a sampling tube according to the present utility model;

fig. 4 is a schematic structural view of a buckle in an embodiment of a sampling tube according to the present utility model.

Detailed Description

The core of the utility model is to provide a sampling tube, which is characterized in that a swab is isolated by a filter string bag, so that the blockage of a sample adding needle is avoided, the use is convenient and quick, the detection efficiency is improved, and the human resources are saved. Another core of the present utility model is to provide a fully automatic nucleic acid detecting extractor comprising the above-mentioned sampling tube.

In order to better understand the aspects of the present utility model, the present utility model will be described in further detail with reference to the accompanying drawings and detailed description.

Referring to fig. 1 to 4, fig. 1 is a schematic view illustrating a closed state structure of a sampling tube according to an embodiment of the present utility model; FIG. 2 is a schematic view of an open configuration of one embodiment of a sampling tube provided by the present utility model; FIG. 3 is a schematic view of a flip spring attachment in one embodiment of a sampling tube according to the present utility model;

The utility model provides a sampling tube, which comprises a tube body 1 and a tube cover 2, wherein the lower end of the tube body 1 is sealed and can be arranged in an inverted conical shape, an opening is formed in the upper end of the tube body 1, the tube cover 2 is connected with the tube body 1 and can seal the opening in the upper end of the tube body 1, a filter net 3 and an inlet conduit 4 are arranged in the tube body 1, the inlet conduit 4 is attached and fixed on the inner wall of the tube body 1, the lower opening of the inlet conduit 4 is communicated with the filter net 3, the upper opening of the inlet conduit 4 is aligned with the opening in the upper end of the tube body 1, a notch for a sample adding needle to enter and exit is formed between the upper opening of the inlet conduit 4 and the opening in the upper end of the tube body 1, the filter net 3 can isolate a swab, and meanwhile liquid in the tube body 1 can be allowed to flow freely.

In the working process, sampling personnel open the tube cover 2, put into the filter string bag 3 by import pipe 4 with the swab after gathering in, the sampling liquid in the body 1 has been beyond filter string bag 3, make the swab immerse in the sampling liquid, then reclose tube cover 2, after transporting to the laboratory, make the effective component that the swab glueed get fully dissolve in the sampling liquid, open tube cover 2, insert the body 1 with the needle that adds the sample in by breach department, the needle that adds the sample is kept apart through filter string bag 3 with the swab, sample liquid in the body 1 is extracted to the needle that adds the sample, then can carry out follow-up work. Through separating 3 from the swab by the filter string bag, avoid the application of sample needle to block up, convenient to use is swift, and the full-automatic appearance that draws of adaptation improves detection efficiency, practices thrift manpower resources.

Specifically, the pipe body 1 is a cylindrical pipe, the diameter of the opening on the inlet conduit 4 is smaller than the diameter of the opening at the upper end of the pipe body 1, so that after the inlet conduit 4 is placed into the pipe body 1, the inlet conduit 4 can only be attached to one side inner wall of the pipe body 1 and separated from the other side inner wall of the pipe body 1, namely, one side outer wall of the inlet conduit 4 is attached to the upper part of the same side inner wall of the pipe body 1 and is close to the opening at the upper end of the pipe body 1, a gap is formed between the other side outer wall of the inlet conduit and the other side inner wall of the pipe body 1, and the shape of the gap is formed by removing an eccentric small circle from a large circle. The shape of each part can also be adjusted according to the situation, for example, the shape of the upper opening of the inlet conduit 4 is one edge, the upper end opening of the pipe body 1 is divided into two semicircles, one semicircle is the upper opening of the inlet conduit 4, and the other semicircle is a notch.

In the sampling tube provided by the embodiment of the utility model, the inlet conduit 4 is a hard conduit, the size of the lower opening of the inlet conduit 4 is matched with that of a swab, the swab just passes through the inlet conduit, and meanwhile, when the swab passes through the inlet conduit alone, the swab is extruded, so that the viscous liquid of the swab is fully dissolved into the sampling liquid. Further, the inlet conduit 4 is specifically a funnel structure with the inner diameter gradually smaller from top to bottom, and the upper opening is larger, so that the swab can smoothly enter, and an inclined surface structure is formed from top to bottom, so that the guide effect is realized, and the swab is prevented from entering a notch by mistake.

For convenient use, the edge of tube cap 2 connects tube body 1 through flip spring connector 5, and two connecting blocks connect the edge of tube cap 2 and the corresponding position of tube body 1 upper end periphery respectively, and two connecting blocks pass through spring coupling, make tube cap 2 open smoothly and close to provide certain locking force, and tube cap 2 can not separate with tube body 1 when opening, need not handheld tube cap 2 when sampling, avoid tube cap 2 to lose.

Further, the edge of the tube cover 2 is clamped with the tube body 1 through the buckle 6, locking is achieved when the tube cover 2 is buckled, and the flip spring connecting piece 5 and the buckle 6 are respectively arranged at two opposite side edges of the tube cover 2. The pipe cover 2 is opened and closed in a turnover mode, screwing operation is avoided, operation is more convenient and quick, the pipe body 1 and the pipe cover 2 are integrally arranged, a deformation structure is arranged at the joint, and turnover is completed by being close to elasticity of the material.

In order to improve the sealing effect, the lower end face of the pipe cover 2 is provided with an annular baffle 7 embedded into the upper end opening of the pipe body 1, and the periphery of the annular baffle 7 is provided with a sealing ring 8.

Preferably, in order to adapt to the full-automatic extractor, the outer wall of the tube body 1 is provided with a positioning mark, so that the position of a notch can be identified by the instrument, and the sample adding needle is convenient to enter.

In addition to the sample tube provided in the above embodiments, the tube body 1 is specifically a soft elastic tube capable of being deformed by extrusion. Meanwhile, a hard pipe orifice is arranged at the opening of the upper end of the pipe body 1.

The specific working process is as follows: the sampling personnel opens the tube cover 2, put into the filtration string bag 3 by import pipe 4 with the swab after gathering, the swab can be extruded when import pipe 4 lower opening, sample liquid in the body 1 is through filtration string bag 3, make the swab soak into sample liquid, then reclose tube cover 2, through buckle 6 locking, after transporting to the laboratory, extrude body 1 once twice, can carry out the repeated extrusion to the swab with filtration string bag 3 in the body 1, make the effective component that the swab glues and gets fully dissolve in sample liquid, press buckle 6, flip spring connector 5 helps opening tube cover 2, insert in body 1 with the needle that adds the sample by breach, needle and the swab are kept apart through filtration string bag 3, sample liquid in the body 1 is drawn to the needle that adds, then can carry out follow-up work.

In addition to the above sampling tube, the specific embodiment of the present utility model further provides a full-automatic nucleic acid detecting and extracting apparatus including the above sampling tube, and the structure of each other portion of the full-automatic nucleic acid detecting and extracting apparatus is referred to the prior art, and will not be described herein.

The sampling tube and the full-automatic nucleic acid detection extractor provided by the utility model are described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. The utility model provides a sampling tube, includes body (1) and is used for sealing body (1) upper end open-ended tube cap (2), its characterized in that, body (1) inside is provided with filter string bag (3) that are used for keeping apart the swab, filter string bag (3) upper end is provided with import pipe (4), import pipe (4) are located body (1) inside and laminating are fixed in body (1) inner wall, the lower opening intercommunication of import pipe (4) filter string bag (3), the upper opening of import pipe (4) is aimed at body (1) upper end opening, just be provided with the breach that is used for the application of sample needle business turn over between import pipe (4) upper opening and body (1) upper end opening.

2. The sampling tube according to claim 1, characterized in that the inlet conduit (4) is a rigid conduit, the lower opening of the inlet conduit (4) being used for pressing individual swabs.

3. Sampling tube according to claim 2, characterized in that the inlet conduit (4) is in particular a funnel structure with an inner diameter tapering from top to bottom.

4. The sampling tube according to claim 1, characterized in that the edge of the tube cover (2) is connected with the tube body (1) through a flip spring connector (5), the edge of the tube cover (2) is clamped with the tube body (1) through a buckle (6), and the flip spring connector (5) and the buckle (6) are respectively arranged at two opposite side edges of the tube cover (2).

5. The sampling tube according to claim 4, wherein the lower end face of the tube cover (2) is provided with an annular baffle plate (7) embedded in the upper end opening of the tube body (1), and the periphery of the annular baffle plate (7) is provided with a sealing ring (8).

6. The sampling tube according to claim 1, wherein the outer wall of one side of the inlet conduit (4) is attached to the upper part of the inner wall of the same side of the tube body (1), and a space is formed between the outer wall of the other side of the inlet conduit (4) and the inner wall of the other side of the tube body (1) to form the gap.

7. The sampling tube according to claim 1, characterized in that the outer wall of the tube body (1) is provided with positioning marks.

8. The sampling tube according to any one of claims 1 to 7, characterized in that the tube body (1) is in particular a soft elastic tube which can be deformed by extrusion.

9. The sampling tube according to claim 8, wherein a rigid tube orifice is provided at the upper end opening of the tube body (1).

10. A fully automatic nucleic acid detection extractor comprising a support and a plurality of sampling tubes placed on said support, characterized in that said sampling tubes are in particular the sampling tubes according to any one of claims 1 to 9.