CN215328070U - Sampling pipe - Google Patents

Abstract

The utility model discloses a sampling tube, which comprises a sealing cover, a tube cover and a tube body which are connected in sequence; a sample extracting solution is pre-filled in the tube body; the pipe cover is internally provided with a filter plug which is used for filtering the sample extracting solution containing the sample. After sampling, opening the tube cover, inserting the head of the disposable sampling swab into the sample extracting solution, releasing the sample into the sample extracting solution, and covering the tube cover; opening the sealing cover, so that the sample extracting solution loaded with the sample flows out through the filter plug and is poured into the sample cup to be detected; compare in the mode of traditional centrifugation sampling pipe, the existence of filtering the stopper can be better the state of change sample, make sample and sample extract intensive mixing, and then improve the rate of accuracy that detects. Therefore, the sampling tube provided by the utility model can improve the accuracy of sample detection and solve the problem in the field at the present stage.

Description

Sampling pipe

Technical Field

The utility model relates to the technical field of sampling, in particular to a sampling tube.

Background

In clinical tests, biological samples are usually collected with disposable sampling swabs, such as oropharyngeal swabs, nasopharyngeal swabs, and the like.

After sampling, putting the sampling swab into a sampling tube for eluting so as to release the sample, taking out the sampling swab and putting the sampling swab into medical waste; however, in the process of taking out and discarding the sampling swab, the sampling site is easily polluted, and the personal safety of operators is affected. And the sample state is improved by adopting a centrifugal sampling tube mode at the present stage so as to ensure that the sample is fully combined with the sample extracting solution in the sampling tube, but the effect is not ideal, and the detection result still has the phenomenon of false positive.

Therefore, how to improve the accuracy of sample detection is an urgent problem to be solved in the field at the present stage.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a sampling tube, which can improve the accuracy of sample detection, and solve the problem in the field at the present stage.

A sampling tube comprises a sealing cover, a tube cover and a tube body which are connected in sequence;

a sample extracting solution is pre-filled in the tube body;

and a filter plug is arranged in the pipe cover and used for filtering the sample extracting solution containing the sample.

Preferably, the sampling tube comprises a tube body section and an elastic deformation section; the pipe body section is connected with the pipe cover.

Preferably, the sampling tube, the tube cover comprises an inlet section, a filtering section and an outlet section which are connected;

the inlet section is connected with the pipe body;

a filter plug is arranged in the filter section;

the outlet section is connected with the sealing cover.

Preferably, the inner diameters of the inlet section, the filtering section and the outlet section of the sampling pipe are reduced in sequence.

Preferably, the inlet section of the sampling pipe is in threaded connection with the pipe body.

Preferably, the sampling pipe, the filter plug and the inner wall of the filter section are in interference fit.

Preferably, the outlet section of the sampling tube is in threaded connection with the sealing cover.

Preferably, the length of the sampling tube body ranges from 8 cm to 12 cm.

Preferably, the pore size of the filter plug of the sampling tube is in the range of 0.5-5 μm.

Preferably, the length of the filter plug of the sampling tube ranges from 1 mm to 5 mm.

The utility model provides a sampling tube, which comprises a sealing cover, a tube cover and a tube body which are connected in sequence; a sample extracting solution is pre-filled in the tube body; the pipe cover is internally provided with a filter plug which is used for filtering the sample extracting solution containing the sample. After sampling, opening the tube cover, inserting the head of the disposable sampling swab into the sample extracting solution, releasing the sample into the sample extracting solution, and covering the tube cover; opening the sealing cover, so that the sample extracting solution loaded with the sample flows out through the filter plug and is poured into the sample cup to be detected; compare in the mode of traditional centrifugation sampling pipe, the existence of filtering the stopper can be better the state of change sample, make sample and sample extract intensive mixing, and then improve the rate of accuracy that detects. Therefore, the sampling tube provided by the utility model can improve the accuracy of sample detection and solve the problem in the field at the present stage.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a sampling tube according to an embodiment of the present invention;

FIG. 2 is an exploded view of a sampling tube according to an embodiment of the present invention;

FIG. 3 is a schematic view of a tube cover according to an embodiment of the present invention;

fig. 4 is a schematic view of a tubular body according to an embodiment of the present invention.

In fig. 1-4:

a sealing cover-1; a tube cover-2; a pipe body-3;

filter plug-21; an inlet section-22; a filtration section-23; outlet section-24;

a barrel section-31; an elastic deformation section-32.

Detailed Description

The core of the specific embodiment is to provide a sampling tube, which can improve the accuracy of sample detection and solve the problem in the field at the present stage.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the utility model described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the utility model described in the claims.

The sampling tube provided by the embodiment can comprise a sealing cover 1, a tube cover 2 and a tube body 3 which are connected in sequence, namely the three are detachably connected; a sample extracting solution is pre-filled in the tube body 3; a filter plug 21 is arranged in the tube cover 2, and the filter plug 21 is used for filtering the sample extracting solution containing the sample.

The tube body 3 can be a hollow tubular structure with one end open and the other end sealed; the tube cover 2 can be a tubular structure with two open ends, and the two ends can be respectively connected with the tube body 3 and the sealing cover 1 in a sealing manner.

After sampling, the tube cover 2 is firstly opened, the head of the disposable sampling swab is inserted into the sample extracting solution, so that the sample is released into the sample extracting solution, and the tube cover 2 is covered; opening the sealing cover 1 again to enable the sample extracting solution loaded with the sample to flow out through the filter plug 21 and pour into a sample cup to be detected; compared with the traditional centrifugal sampling tube mode, the filter plug 21 can better change the state of the sample, so that the sample and the sample extracting solution are fully mixed, and the detection accuracy is improved. Therefore, the sampling tube provided by the utility model can improve the accuracy of sample detection and solve the problem in the field at the present stage. Please refer to fig. 1-4.

In the sampling tube provided by this embodiment, the tube body 3 may include a tube body section 31 and an elastic deformation section 32; wherein the shaft section 31 is connected to the shaft cover 2.

Above-mentioned elastic deformation section 32's design, the sampling back, when the head of disposable sampling swab inserted the sample extract, can be at the outside extrusion swab's of elastic deformation section 32 head, and then be convenient for the abundant swab head that soaks of sample extract to make the sample fully release in the sample extract, and then improve the rate of accuracy of follow-up detection.

In the sampling tube provided by the present embodiment, the tube cap 2 may include an inlet section 22, a filtering section 23 and an outlet section 24 connected to each other; wherein the inlet section 22 can be connected to the tube body 3; a filter plug 21 can be arranged in the filter section 23; the outlet section 24 may be connected to the sealing cap 1.

Further, the inner diameters of the inlet section 22, the filtering section 23 and the outlet section 24 of the sampling tube can be designed to be reduced in sequence, so that the sample extracting solution carrying the sample can conveniently enter the sample cup from the outlet section 24 with an accurate outlet to be detected.

In the sampling tube provided by this embodiment, the inlet section 22 and the tube body 3 may be in threaded connection, clamped connection, or in other connection manners capable of playing the same role. Similarly, the outlet section 24 and the sealing cover 1 may be screwed, clamped or connected in other ways to achieve the same effect.

In the sampling tube provided by this embodiment, the inner walls of the filter plug 21 and the filter segment 23 may be in interference fit, or clamped, or in other connection modes that can play the same role.

Furthermore, the length range of the pipe body 3 of the sampling pipe can be 8-12cm, the head of the sampling swab can be contained in the length design, after sampling is finished, the head of the swab can be broken off and kept in the pipe body 3, the tail of the swab is moved out of the pipe body 3 and discarded, and then the safety of a sampling place is guaranteed.

Preferably, the sampling swab can be broken in cooperation with the elastically deformable section 32 of the tube 3, so that the head of the sampling swab is left in the tube 3, the tail of the sampling swab is removed and discarded, and the presence of the elastically deformable section 32 can facilitate the breaking of the head of the swab.

It should be noted that the portion below the dotted line shown in fig. 4 of the tube body 3 is the elastic deformation section 32; in actual design, the length of the elastic deformation section 32 can be designed according to actual requirements.

In the sampling tube provided by the embodiment, the pore size range of the filter plug 21 can be 0.5-5 μm, or other pore sizes capable of playing the same role; the length of the filter plug 21 may range from 1 to 5mm, or other lengths capable of functioning equally.

Based on the structural design of the sampling tube, the main operation process after sampling is explained in detail as follows:

first, a sampling tube previously filled with 1mL of a sample extract (which can inactivate pathogens) is placed on a flat surface, and the cap 2 of the sampling tube is opened.

Secondly, the collected nasopharyngeal or oropharyngeal swab sample is inserted into the sample extraction liquid of the sampling tube and stirred, for example, the handle of the swab is rotated.

Again, the sampling swab head is squeezed several times outside the elastically deformable section 32 of the sampling tube, so that the sample extraction liquid sufficiently saturates the head of the sampling swab to release the sample.

Again, the sampling swab is broken off, the head of the sampling swab is left in the sampling tube and the tube cap 2 is tightened.

And finally, opening the sealing cover 1 of the sampling pipe, enabling the sampling pipe to incline and extrude the bottom of the sampling pipe, enabling the sample extracting solution to be dripped into a sample cup of the sample rack through the filter plug 21, and detecting by a computer.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A sampling tube is characterized by comprising a sealing cover (1), a tube cover (2) and a tube body (3) which are connected in sequence;

a sample extracting solution is pre-filled in the tube body (3);

a filter plug (21) is arranged in the tube cover (2), and the filter plug (21) is used for filtering the sample extracting solution containing the sample.

2. The sampling tube according to claim 1, characterized in that the tube body (3) comprises a shaft section (31) and an elastically deformable section (32); the pipe body section (31) is connected with the pipe cover (2).

3. The sampling tube according to claim 1, characterized in that the tube cover (2) comprises an inlet section (22), a filter section (23) and an outlet section (24) connected;

the inlet section (22) is connected with the pipe body (3);

a filter plug (21) is arranged in the filter section (23);

the outlet section (24) is connected to the sealing cap (1).

4. The sampling tube according to claim 3, characterized in that the inner diameters of the inlet section (22), the filter section (23) and the outlet section (24) are successively reduced.

5. The sampling tube according to claim 3, characterized in that the inlet section (22) is screwed to the tube body (3).

6. The sampling tube according to claim 3, wherein the filter plug (21) is an interference fit with the inner wall of the filter segment (23).

7. The sampling tube according to claim 3, characterized in that the outlet section (24) is in threaded connection with the sealing cap (1).

8. The sampling tube according to claim 1, characterized in that the length of the tube body (3) ranges from 8 to 12 cm.

9. The sampling tube according to claim 1, wherein the filter plug (21) has a pore size in the range of 0.5-5 μm.

10. The sampling tube according to claim 1, wherein the length of the filter plug (21) ranges from 1 to 5 mm.

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