CN219613917U

CN219613917U - Novel sampling tube

Info

Publication number: CN219613917U
Application number: CN202320395558.9U
Authority: CN
Inventors: 金首跃; 陈星宇; 阳清伟; 苗佳音; 苏丽红; 涂燕玲; 陈中杰; 陈良义
Original assignee: Zhongshan Hospital Xiamen University
Current assignee: Zhongshan Hospital Xiamen University
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-09-01
Anticipated expiration: 2033-03-06

Abstract

The utility model discloses a novel sampling tube, which comprises a tube body and a tube cap, wherein the tube cap is detachably connected to an opening of the tube body; the pipe cap comprises a cap piece and a pipe cap side wall extending downwards from the edge of the cap piece, the pipe cap side wall is sleeved on the periphery of the pipe body, the inner side of the upper section of the pipe cap side wall is detachably connected with the opening of the pipe body through a connecting unit, and a notch for the sampling swab to extend in is formed in the lower section of the pipe cap side wall. Through being equipped with the breach in pipe cap lateral wall hypomere, utilize this breach to carry out convenient cutting separation to the head of sampling swab, make it drop to the preservation liquid in the body, whole sampling process only need loosen and lock the pipe cap once respectively, saved sampling personnel's operation action, improve sampling efficiency to receive the protection of pipe cap when the head of sampling swab separates, do not have the sample to splash, pollute the condition emergence in sampling tube outside, improved the security that the head of sampling swab was obtained in the separation.

Description

Novel sampling tube

Technical Field

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

Background

The sampling tube can be used for collecting biological samples, and the collected samples and preservation solution are uniformly mixed, so that the integrity of DNA in the samples and long-term preservation under the condition of room temperature are ensured. After sample extraction, it is used for clinical in vitro diagnosis.

As shown in fig. 1, in the prior art, a sampler needs to complete the steps of unscrewing the screw cap 1' -sampling, breaking the head end of the sampling swab and putting the broken end into the sampling tube 2', screwing the screw cap 1' "of the sampling tube, and then completely sampling the sample once.

However, since the sampling tube 2 'in the prior art is generally a common test tube, the flat mouth of the test tube is neat, and the sampling swab head can be blocked off only by using the edge of the screw cap 1' and the edge of the tube orifice, secretion on the sampling swab head is easy to be adhered to the screw cap 1 'and the outer wall of the sampling tube 2' in the mode, splashing is easy to occur, and the infection risk is increased.

And when a plurality of sampling samples need to be stored in the sampling tube, in order to prevent pollution, the screw cap 1' needs to be repeatedly screwed and unscrewed between each sampling interval, so that the burden on finger bone joints and wrist joints of sampling personnel is caused, the health of the sampling personnel is not facilitated, and the sampling efficiency is reduced.

Disclosure of Invention

The utility model aims to provide a novel sampling tube which has the advantages of being convenient for breaking a sampling swab head and reducing infection risk.

In order to achieve the above object, the solution of the present utility model is:

the novel sampling tube comprises a tube body and a tube cap, wherein the tube cap is detachably connected to an opening of the tube body; the pipe cap comprises a cap piece and a pipe cap side wall extending downwards from the edge of the cap piece, the pipe cap side wall is sleeved on the periphery of the pipe body, the inner side of the upper section of the pipe cap side wall is detachably connected with the opening of the pipe body through a connecting unit, and a notch for the sampling swab to extend in is formed in the lower section of the pipe cap side wall.

Further, the connecting unit comprises an internal thread arranged on the inner side of the upper section of the side wall of the pipe cap and an external thread arranged on the side wall of the opening of the pipe body, and the internal thread is in threaded fit with the external thread.

Further, the upper end of the notch is provided with a cutting groove.

Further, the cutting groove is triangular, and two side walls at two sides of the cutting groove are respectively inclined and expanded outwards from top to bottom to two sides, so that the top of the triangular cutting groove forms a cutting sharp angle.

Further, the cutting groove is triangular, two side walls on two sides of the cutting groove are respectively provided with cutting surfaces which incline from outside to inside, and the cutting surfaces and the inner side surfaces of the side walls of the pipe cap form sharp cutting edges.

Further, the length of the lower section of the side wall of the pipe cap is not less than one third of the length of the pipe body.

Further, the diameter of the upper section of the side wall of the pipe cap is larger than that of the lower section of the side wall of the pipe cap.

After the technical scheme is adopted, a notch is formed in the lower section of the side wall of the pipe cap, when a collector collects a sample, the pipe cap is separated from the pipe body and lifted up properly for the first time, the notch is moved to the upper part of the opening of the pipe body, then the head of the sampling swab directly stretches into the notch, the pipe cap is pressed down to conveniently cut and separate the head of the sampling swab by the notch, so that the sampling swab falls into preservation liquid in the pipe body, and the pipe cap just covers the opening of the pipe body at the moment, so that the notch is shielded by the side wall of the pipe body; and when the samples are needed to be added, repeating the operation until all the samples are collected, and connecting and locking the pipe cap and the pipe body.

The whole sampling process only needs to loosen and lock the pipe cap once, and the head of the sampling swab is protected by the pipe cap when being separated, so that the conditions that a sample splashes and pollutes the outer side of the sampling pipe are avoided, and the safety of separating and acquiring the head of the sampling swab is improved. In the sampling process, the pipe cap does not need to be completely separated from the pipe body, and the pipe cap is covered on the opening of the pipe body after the head of the sampling swab is separated, so that the risk of sample exposure pollution in the pipe body can be effectively reduced, and the sealing performance of the sampling pipe is improved.

Drawings

FIG. 1 is a schematic illustration of the use of a prior art collection tube.

Fig. 2 is a perspective view of the structure of the present utility model.

FIG. 3 is a schematic cross-sectional view of the structure of the present utility model in use.

Fig. 4 is a schematic cross-sectional view of the structure of the present utility model when closed.

Symbol description:

the pipe body 10, the opening 101, the pipe cap 20, the cap piece 201, the pipe cap side wall 202, the pipe cap side wall upper section 1, the pipe cap side wall lower section 2, the notch 3, the cutting groove 31, the side wall 311, the cutting sharp corner 312, the cutting edge 313, the connecting unit 4, the internal thread 41, the external thread 42 and the sampling swab 30.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

As shown in fig. 2 to 4, the novel sampling tube of the present utility model comprises a tube body 10 and a tube cap 20, wherein the tube cap 20 is detachably connected to an opening 101 of the tube body 10; the pipe cap 20 comprises a cap sheet 201 and a pipe cap side wall 202 extending downwards from the edge of the cap sheet 201, the pipe cap side wall 202 is sleeved on the periphery of the pipe body 10, the inner side of the upper section 1 of the pipe cap side wall is detachably connected with the opening 101 of the pipe body 10 through a connecting unit 4, and the lower section 2 of the pipe cap side wall is provided with a notch 3 for the sampling swab 30 to extend into.

Therefore, the notch 3 is arranged at the lower section 2 of the side wall of the pipe cap, after a collection person collects a sample, the pipe cap 20 is separated from the pipe body 10 and lifted up properly when the pipe cap is used for the first time, so that the notch 3 is moved to the position above the opening 101 of the pipe body 10, then the head of the sampling swab 30 is directly stretched into the notch 3, the pipe cap 20 is pressed down to conveniently cut and separate the head of the sampling swab 30 by using the notch 3, so that the sampling swab 30 falls into a preservation solution in the pipe body 10, and at the moment, the pipe cap 20 is just covered at the position of the opening 101 of the pipe body 10, so that the notch 3 is shielded by the side wall of the pipe body 10; when the samples need to be added, the operation is repeated until all the samples are collected, and then the pipe cap 20 and the pipe body 10 are connected and locked.

The whole sampling process only needs to loosen and lock the pipe cap 20 once, and the head of the sampling swab 30 is protected by the pipe cap 20 when being separated, so that the conditions of sample splashing and pollution to the outer side of the sampling pipe are avoided, and the safety of separating and acquiring the head of the sampling swab 30 is improved. In the sampling process, the pipe cap 20 does not need to be completely separated from the pipe body 10, and covers the opening 101 of the pipe body 10 after the head of the sampling swab 30 is separated, so that the risk of sample exposure pollution in the pipe body 10 can be effectively reduced, and the sealing performance of the sampling pipe is improved.

In this embodiment, the connection unit 4 includes an internal thread 41 disposed on the inner side of the upper section 1 of the side wall of the pipe cap and an external thread 42 disposed on the side wall of the opening 101 of the pipe body 10, and the internal thread 41 is in threaded engagement with the external thread 42, so that the pipe cap 20 can be screwed into the opening 101 of the pipe body 10 in a sealing manner, and the connection unit is convenient to use, ensures sealing performance, is pollution-proof, provides safety, and of course, the connection unit 4 can also adopt other structures such as a rotary clamping structure to realize detachable connection.

The upper end of the notch 3 is provided with a cutting groove 31.

The cutting groove 31 may be triangular, and two side walls 311 at two sides of the cutting groove 31 are respectively inclined from top to bottom and expand outwards to two sides, so that a cutting sharp corner 312 is formed at the top of the triangular cutting groove 31, so that the head of the sampling swab 30 can be quickly separated. Meanwhile, the two side walls 311 at two sides of the cutting groove 31 may be respectively cutting surfaces inclined from outside to inside, the cutting surfaces and the inner side surfaces of the side walls 202 of the pipe cap form cutting edges 313, and the cutting edges 313 are sharp edges, so that the cutting efficiency of the cutting groove 31 can be further increased, and the sampling efficiency is improved.

Moreover, the length of the lower section 2 of the side wall of the pipe cap is not less than one third of the length of the pipe body 10, so that the whole length of the side wall 202 of the pipe cap is longer, and the side wall of the pipe cap can be firmly covered and placed on the pipe body 10, and is not easy to fall off accidentally.

While the diameter of the cap sidewall upper section 1 is greater than the diameter of the cap sidewall lower section 2, the provision of internal threads 41 and the ease of handling of the cap 20 is facilitated.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that equivalent changes and modifications can be made by those skilled in the art without departing from the principles of the present utility model, which still falls within the scope of the present utility model.

Claims

1. The utility model provides a novel sampling tube, includes body and cap, its characterized in that: the pipe cap is detachably connected to the opening of the pipe body; the pipe cap comprises a cap piece and a pipe cap side wall extending downwards from the edge of the cap piece, the pipe cap side wall is sleeved on the periphery of the pipe body, the inner side of the upper section of the pipe cap side wall is detachably connected with the opening of the pipe body through a connecting unit, and a notch for the sampling swab to extend in is formed in the lower section of the pipe cap side wall.

2. The novel sampling tube of claim 1, wherein: the connecting unit comprises an internal thread arranged on the inner side of the upper section of the side wall of the pipe cap and an external thread arranged on the side wall of the opening of the pipe body, and the internal thread is in threaded fit with the external thread.

3. The novel sampling tube of claim 1, wherein: the upper end of the notch is provided with a cutting groove.

4. A novel sampling tube according to claim 3, wherein: the cutting groove is triangular, and two side walls at two sides of the cutting groove are respectively inclined and expanded outwards from top to bottom to two sides, so that the top of the triangular cutting groove forms a cutting sharp angle.

5. A novel sampling tube according to claim 3, wherein: the cutting groove is triangular, the inner sides of the two side walls of the two sides of the cutting groove are respectively provided with a cutting surface which is inclined from outside to inside, and the cutting surfaces and the inner sides of the side walls of the pipe cap form sharp cutting edges.

6. The novel sampling tube of claim 1, wherein: the length of the lower section of the side wall of the pipe cap is not less than one third of the length of the pipe body.

7. The novel sampling tube of claim 1, wherein: the diameter of the upper section of the side wall of the pipe cap is larger than that of the lower section of the side wall of the pipe cap.