CN219166476U

CN219166476U - Improved nucleic acid sampling tube

Info

Publication number: CN219166476U
Application number: CN202320259219.8U
Authority: CN
Inventors: 伍金雷
Original assignee: Guangzhou Panyu District Maternal And Child Health Hospital Guangzhou Panyu District He Xian Memorial Hospital Guangzhou Panyu District Children's Hospital
Current assignee: Guangzhou Panyu District Maternal And Child Health Hospital Guangzhou Panyu District He Xian Memorial Hospital Guangzhou Panyu District Children's Hospital
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-06-13
Anticipated expiration: 2033-02-20

Abstract

The utility model discloses an improved nucleic acid sampling tube, which comprises a sampling tube and a tube cap, wherein the top of the sampling tube is provided with a through hole, and the tube cap is screwed at the through hole and seals the through hole; on the basis of the traditional technical scheme, the novel sampling tube further comprises an annular clamping ring, wherein the annular clamping ring is arranged on the inner side wall of the sampling tube and surrounds the sampling tube, and the cross section of the annular clamping ring is arranged into a triangle with a narrow upper part and a wide lower part. The utility model relates to a method for manufacturing a semiconductor device.

Description

Improved nucleic acid sampling tube

Technical Field

The utility model relates to the technical field of nucleic acid sampling instruments, in particular to an improved nucleic acid sampling tube.

Background

When respiratory system virus infects, the oropharynx swab is the important means of virus detection sample order collection at present, and medical staff uses disposable oropharynx swab to gather the nucleic acid sample of test object, places the nucleic acid sample in the nucleic acid sampling pipe and sends to laboratory or other detection unit after the sign and accomplishes follow-up inspection work, is equipped with the processing solvent in the nucleic acid sampling pipe in advance.

The pharyngeal swab collection comprises single collection and mixed collection, wherein the single collection is a set of nucleic acid sampling tube for a person to carry out collection and inspection so as to judge whether the person is infected with related infectious viruses; the mixed sampling is that a set of nucleic acid sampling tube is shared by a plurality of people for collecting and testing so as to judge whether the group has the human infection related viruses.

At present, whether in a single sampling or mixed sampling mode, the operation standard is recommended to operate with two hands, namely, a sampling tube is held by one hand, and a throat swab cotton swab is held by the other hand, and after the throat swab cotton swab is collected, a brush head of the throat swab cotton swab extends into the sampling tube, and the swab head falls off through a lever principle.

However, in the clinical actual operation, solvent in the tube often splashes during the operation of the broken label, and even the brush head directly pops up the tube orifice, so that the virus transmission risk is increased; the scheme that has the user to withhold through the sampling tube cap avoids above-mentioned condition to appear, but the in-process of holding the sampling tube withhold the broken swab is contacted the cotton swab easily, causes the sample to pollute, and the operation is inconvenient and relatively time-consuming.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide an improved nucleic acid sampling tube which can reduce the virus transmission risk, avoid polluting a sampling sample and has the advantages of simple operation and time saving.

The technical scheme adopted by the utility model for achieving the purpose is as follows: an improved nucleic acid sampling tube comprises a sampling tube and a tube cap, wherein the top of the sampling tube is provided with a through hole, and the tube cap is screwed at the through hole and seals the through hole; the device also comprises an annular clamping ring, wherein the annular clamping ring is arranged on the inner side wall of the sampling tube and surrounds the sampling tube, and the cross section of the annular clamping ring is arranged into a triangle with a narrow upper part and a wide lower part.

In some of these implementations, to meet the convenience and ease of application of the modified nucleic acid sampling tube in the actual sampling process, and the use of the modified nucleic acid sampling tube in combination with a conventional sampling swab, the following limitations are provided for the nucleic acid sampling tube.

The height and the inner diameter of the sampling tube are respectively set to 80-120mm and 15-25mm, the cross section of the annular clamping ring is in a right triangle shape, the height and the bottom edge of the right triangle shape are respectively set to 3mm and 2mm, and the distance between the annular clamping ring and the top through hole of the sampling tube is set to 15-30mm.

In some of these implementations, to ensure that the cap can be screwed stably onto the sampling tube and to ensure its sealing effect, the following related technical solutions are provided.

The outer side wall of the top of the sampling tube is provided with a first external thread, the inner side wall of the tube cap is provided with a first internal thread, the first internal thread is nested and anastomotic with the first external thread, the outer wall of the sampling tube is fixedly connected with a backing ring, and the backing ring is propped against the bottom of the tube cap when the tube cap is in sealing screwing connection with the sampling tube.

In some of the implementations, the following related technical schemes are provided for ensuring that the annular clamping ring can be stably installed in the sampling tube, improving the production efficiency of the industrial production of the sampling tube and reducing the production difficulty.

The inner sleeve is further arranged, the inner sleeve is screwed on the inner wall of the through hole, and the annular clamping ring is fixedly connected to the inner wall of the bottom of the inner sleeve.

On the basis of the technical scheme about the inner sleeve, the following related technical scheme is provided for ensuring that the inner sleeve can be stably installed in the sampling tube.

The inner wall of the top of the sampling tube is fixedly connected with second internal threads, the inner sleeve comprises an extension section, a thread section and a mounting section which are sequentially fixedly connected from top to bottom, the extension section is arranged outside the through hole and is in butt joint with the top end of the through hole, the tube cap is coated on the periphery of the extension section, the outer wall of the thread section is provided with second external threads, the second external threads are screwed with the second internal threads, the mounting section is arranged on the inner side of the sampling tube and is tightly attached to the inner wall of the sampling tube, and the annular clamping ring is fixedly connected to the bottom of the mounting section.

The utility model has the beneficial effects that: the triangular section setting of upper narrow and lower wide, the brush head can stretch into the sampling pipe inside along the inclined plane of annular rand, and the protrusion of annular rand bottom can be to the brush head inlay card simultaneously to make the annular narrow groove of sampling cotton swab be in opening position department, utilize lever principle can be with the brush head from annular narrow groove rupture, and make the brush head fall into the sampling pipe and collect. Avoid the brush head outwards to fly out, also can reduce the risk that solvent outwards splashes in the sampling tube, compare in original nucleic acid sampling pipe and corresponding sampling mode, can effectively avoid brush head and artificial staff hand contact, can reduce virus propagation risk, avoid causing the pollution to the sampling sample, have easy operation, time-saving advantage simultaneously.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a schematic view of the structure after being disassembled based on FIG. 1;

FIG. 3 is a schematic view of the structure of the present utility model after the inner sleeve is added;

FIG. 4 is a schematic view of the structure after being disassembled based on FIG. 3;

fig. 5 is a schematic view of the structure of the sampling swab broken off based on fig. 1.

In the figure: 1 sampling tube, 11 through hole, 12 first external screw thread, 13 backing ring, 14 second internal screw thread, 2 pipe cap, 21 first internal screw thread, 22 anti-slip line, 31 brush head, 32 stick, 33 annular narrow groove, 4 annular collar, 5 inner sleeve, 51 extension section, 52 screw thread section, 53 installation section, 54 second external screw thread.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to FIGS. 1-5, an improved nucleic acid sampling tube 1 comprises a sampling tube 1 and a tube cap 2, wherein a through hole 11 is formed in the top of the sampling tube 1, and the tube cap 2 is screwed at the through hole 11 and seals the through hole 11; the sampling tube also comprises an annular clamping ring 4, wherein the annular clamping ring 4 is arranged on the inner side wall of the sampling tube 1 and surrounds the sampling tube 1, and the cross section of the annular clamping ring 4 is arranged into a triangle with a narrow upper part and a wide lower part.

In producing the improved nucleic acid sampling tube 1 provided herein, the annular collar 4 is directly affixed to the inner wall of the sampling tube 1 and the annular collar 4 is integrally formed with the sampling tube 1.

The traditional sampling cotton swab for sampling nucleic acid comprises a swab 32 and a brush head 31 arranged at the head of the swab 32, wherein an annular narrow groove 33 is formed in the front side of the swab 32, and after sampling is completed, the cotton swab is conveniently broken off from the annular narrow groove 33 so as to take down the brush head 31 at the front side of the narrow groove.

The triangular section setting of upper narrow and lower wide, stretch into sampling pipe 1 with the sampling cotton swab after the sampling to make its upper brush head 31 and stick 32 separation so that brush head 31 falls into sampling pipe 1 in, brush head 31 can stretch into sampling pipe 1 inside along the inclined plane of annular collar 4, the protrusion of annular collar 4 bottom can be to brush head 31 inlay card simultaneously, and make the annular slot 33 of sampling cotton swab be in opening 11 positions department, utilize lever principle can be with brush head 31 from annular slot 33 rupture, and make brush head 31 fall into sampling pipe 1 and collect.

When the brush head 31 breaks, the setting of the annular clamping ring 4 can limit the brush head 31, so that the brush head 31 is prevented from flying outwards, the risk of outwards splashing of the solvent in the sampling tube can be reduced, compared with the original nucleic acid sampling tube 1 and the corresponding sampling mode, the contact between the brush head 31 and the hand of an obligator can be effectively avoided, the virus propagation risk can be reduced, the pollution to the sampled sample is avoided, and meanwhile, the device has the advantages of simplicity in operation and time saving.

The sampling tube 1, the tube cap 2 and the annular clamping ring 4 are made of polypropylene, and the sampling tube 1 is designed to be transparent, so that medical staff can observe the internal condition of the sampling tube 1 conveniently.

In order to meet the convenience and convenience of application of the improved nucleic acid sampling tube 1 in the actual sampling process and the cooperation of the improved nucleic acid sampling tube 1 with a traditional sampling cotton swab, the following limitation of a nucleic acid sampling test tube is provided.

The height and the inner diameter of the sampling tube 1 are respectively set to 80-120mm and 15-25mm, the cross section of the annular clamping ring 4 is in a right triangle shape, the height and the bottom edge of the right triangle shape are respectively set to 3mm and 2mm, and the distance between the annular clamping ring 4 and the top through hole 11 of the sampling tube 1 is set to 15-30mm.

The improved nucleic acid sampling tube 1 produced according to the above specification parameters can be fitted with a sampling cotton swab and the operation of breaking the brush head 31 is completed so that the brush head 31 falls into the sampling tube 1 smoothly.

In order to ensure that the cap 2 can be stably screwed on the sampling tube 1 and ensure the sealing effect thereof, the following related technical scheme is provided.

The outer side wall of the top of the sampling tube 1 is provided with a first external thread 12, the inner side wall of the tube cap 2 is provided with a first internal thread 21, the first internal thread 21 is nested and matched with the first external thread 12, the outer wall of the sampling tube 1 is fixedly connected with a backing ring 13, and the backing ring 13 abuts against the bottom of the tube cap 2 when the tube cap 2 is in sealing and screwing connection with the sampling tube 1.

When the first internal thread 21 in the tube cap 2 is screwed with the first external thread 12 and seals the through hole 11 of the sampling tube 1, the bottom of the tube cap 2 is propped against the backing ring 13, so that the stability of the sealing screwing of the tube cap 2 on the sampling tube 1 is ensured.

For the convenience to twist cap 2, be provided with anti-skidding line 22 at cap 2's lateral wall, because medical staff can wear protective equipment when gathering virus nucleic acid sample, the setting of anti-skidding line 22 makes things convenient for medical staff to operate it.

In order to ensure that the annular clamping ring 4 can be stably installed in the sampling tube 1, and simultaneously improve the production efficiency of the industrial production of the sampling tube 1 and reduce the production difficulty, the following related technical scheme is provided.

An inner sleeve 5 is further arranged, the inner sleeve 5 is screwed on the inner wall of the through hole 11, and the annular clamping ring 4 is fixedly connected to the inner wall of the bottom of the inner sleeve 5.

The inner sleeve 5 is also made of transparent polypropylene. In order to accelerate the production efficiency of the sampling tube 1, when the annular clamping ring 4 is directly fixedly connected in the sampling tube 1 in the traditional production mode and is processed into a uniform integral structure, the production difficulty is high, and special extrusion equipment is required to be designed. In order to ensure that the sampling tube 1 can achieve the effect of high-efficiency production at the initial stage, the technical scheme of the inner sleeve 5 is designed, the annular clamping ring 4 is fixedly connected to the bottom of the inner sleeve 5 and is processed into a unified whole, and then the inner sleeve 5 is arranged at the inner side of the through hole 11 of the sampling tube 1.

In order to ensure that the inner sleeve 5 can be stably mounted in the sampling tube 1, the following related art is provided.

The inner wall of the top of the sampling tube 1 is fixedly connected with a second internal thread 14, the inner sleeve 5 comprises an extension section 51, a thread section 52 and a mounting section 53 which are fixedly connected in sequence from top to bottom, the extension section 51 is arranged outside the through hole 11 and is in butt joint with the top end of the through hole 11, the tube cap 2 is coated on the periphery of the extension section 51, the outer wall of the thread section 52 is provided with a second external thread 54, the second external thread 54 is screwed with the second internal thread 14, the mounting section 53 is arranged on the inner side of the sampling tube 1 and is tightly attached to the inner wall of the sampling tube 1, and the annular clamping ring 4 is fixedly connected to the bottom of the mounting section 53.

The arrangement of the thread segments 52 ensures that the inner sleeve 5 is stably connected with the sampling tube 1, the arrangement of the extension segments 51 facilitates the operation of the inner sleeve 5 and the screwing and fixing thereof into the sampling tube 1, and the arrangement of the mounting segments 53 ensures that the annular collar 4 is stably mounted thereon and is arranged inside the sampling tube 1.

When the sampling tube 1 with the inner sleeve 5 is operated to collect samples, the inner sleeve 5 is not screwed, and the opening and closing of the sampling tube 1 are realized only by screwing the tube cap 2.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. An improved nucleic acid sampling tube (1) comprises a sampling tube (1) and a tube cap (2), wherein a through hole (11) is formed in the top of the sampling tube (1), and the tube cap (2) is screwed at the through hole (11) and seals the through hole (11); the method is characterized in that: the device further comprises an annular clamping ring (4), wherein the annular clamping ring (4) is arranged on the inner side wall of the sampling tube (1) and surrounds the sampling tube (1), and the cross section of the annular clamping ring (4) is arranged into a triangle with a narrow upper part and a wide lower part.

2. An improved nucleic acid sampling tube (1) according to claim 1, characterized in that: the height and the inner diameter of the sampling tube (1) are respectively 80-120mm and 15-25mm, the cross section of the annular clamping ring (4) is in a right triangle shape, the height and the bottom edge of the right triangle shape are respectively 3mm and 2mm, and the distance between the annular clamping ring (4) and the top through hole (11) of the sampling tube (1) is 15-30mm.

3. An improved nucleic acid sampling tube (1) according to claim 1, characterized in that: the utility model discloses a sampling tube, including sampling tube (1), cap (2), backing ring (13), first external screw thread (12) have been seted up to sampling tube (1) top lateral wall, first internal screw thread (21) have been seted up to cap (2) inside wall, and first internal screw thread (21) are nested coincide with first external screw thread (12), sampling tube (1) outer wall rigid coupling has backing ring (13), and cap (2) seal spin when connecing with sampling tube (1) backing ring (13) offsets with cap (2) bottom.

4. An improved nucleic acid sampling tube (1) according to claim 1, characterized in that: the inner sleeve (5) is further arranged, the inner sleeve (5) is screwed on the inner wall of the through hole (11), and the annular clamping ring (4) is fixedly connected to the inner wall of the bottom of the inner sleeve (5).

5. An improved nucleic acid sampling tube (1) according to claim 4, characterized in that: the inner wall of the top of the sampling tube (1) is fixedly connected with a second internal thread (14), the inner sleeve (5) comprises an extension section (51), a thread section (52) and a mounting section (53) which are sequentially fixedly connected from top to bottom, the extension section (51) is arranged outside the through hole (11) and is in butt joint with the top end of the through hole (11), the tube cap (2) is coated on the periphery of the extension section (51), the outer wall of the thread section (52) is provided with a second external thread (54), the second external thread (54) is screwed with the second internal thread (14), the mounting section (53) is arranged on the inner side of the sampling tube (1) and is tightly attached to the inner wall of the sampling tube (1), and the annular clamping ring (4) is fixedly connected to the bottom of the mounting section (53).