CN217809412U

CN217809412U - Reduce virus sampling pipe of aerosol pollution

Info

Publication number: CN217809412U
Application number: CN202220872431.7U
Authority: CN
Inventors: 陈仲辉; 陈宇; 李金秋; 林伟; 俞柳敏; 陈展飞; 林华
Original assignee: Affiliated Hospital Of Putian University Putian No 2 Hospital
Current assignee: Affiliated Hospital Of Putian University Putian No 2 Hospital
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-11-15
Anticipated expiration: 2032-04-15

Abstract

The utility model relates to a reduce virus sampling pipe that aerosol pollutes, open-ended body has including the top, the sampling mouth is installed detachably to the opening part of body, the through-hole that runs through terminal surface about the sampling mouth is seted up at the middle part of sampling mouth, sealed lid is installed detachably at the top of sampling mouth. The virus sampling tube capable of reducing aerosol pollution improves the sealing performance of the virus sampling tube and reduces the leakage and pollution rate of a sample.

Description

Reduce virus sampling pipe of aerosol pollution

Technical Field

The patent of the utility model belongs to the technical field of the health inspection, concretely relates to reduce virus sampling pipe that aerosol pollutes.

Background

In recent years, diseases caused by viral infection have a lot of situations, such as viral influenza, viral respiratory infection, hand-foot-and-mouth virus, and the like. In order to carry out laboratory diagnosis of viral infections, the relevant sites are generally subjected to pathogenic sampling and then detected. The existing commercial disposable virus sampling tube is generally assembled by a bottle cap and a bottle body. During sampling, a swab is used for collecting a sample at a specific position, the sample is quickly placed into a sample storage tube, and the sample is sealed and stored by rotating a tube cover; during sampling detection, the large-caliber spiral cover needs to be opened, and the next operation can be performed after the sample is moved by using the liquid-moving gun. Because the screw cap of the sampling pipe needs to be opened during the sampling operation, the biological safety events such as aerosol pollution, sample leakage and the like can be easily caused, and the physical and psychological health of workers for sample transportation, inspection operation and sample storage can be seriously influenced. Therefore, it is of great significance to develop and develop a virus sampling tube for reducing aerosol pollution and facilitate sample adding operation of workers.

SUMMERY OF THE UTILITY MODEL

In view of the deficiencies of the prior art, the technical problem to be solved by the present invention is to provide a virus sampling tube for reducing aerosol pollution.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a reduce aerosol pollution's virus sampling pipe, has the open-ended body including the top, the sampling mouth is installed detachably to the opening part of body, the through-hole of terminal surface about running through the sampling mouth is seted up at the middle part of sampling mouth, sealed lid is installed detachably at the top of sampling mouth.

Further, the sampling mouth includes from down to up cylinder, well cylinder and the last cone of reducing setting in proper order, all be provided with anti-skidding line on the lateral wall of cylinder and well cylinder down.

Furthermore, sealed lid includes the lid that the opening is down, the interior top surface downwardly extending of lid has the chock, the opening part of chock detachable embedding sampling mouth, the bottom of lid contacts with the up end of well cylinder.

Furthermore, a first convex ring is arranged on the inner side wall of the sealing cover, a second convex ring is arranged on the outer surface of the upper cone, a clamping groove is formed between the second convex ring and the top of the middle cylinder, and the first convex ring is embedded into the clamping groove in a detachable mode.

Further, the lateral wall top of body is provided with external screw thread portion, be provided with on the inside wall of sampling mouth with external screw thread portion matched with internal thread portion, the bottom position that the surface of body is located external screw thread portion is provided with the annular outward flange, the bottom of sampling mouth contacts with the up end of annular outward flange.

Furthermore, an annular groove which is sunken upwards is formed in the bottom of the sampling nozzle, the top of the pipe body is partially embedded into the annular groove, the inner thread portion is located on the inner groove wall of the annular groove, at least one sealing groove is formed in the inner side wall of the pipe body, a sealing ring is embedded into the sealing groove, and the sealing groove is covered by the annular groove.

Further, the chock is made of rubber.

Furthermore, an upward concave groove is formed in the middle of the bottom of the chock block.

Further, the pipe body is made of soft rubber.

Compared with the prior art, the utility model discloses following beneficial effect has: through adding the sampling mouth between body and sealed lid, when improving virus sampling pipe leakproofness, reduce the leakage and the pollution rate of sample, the replacement that the pipettor can be regarded as to the sampling mouth simultaneously greatly simplifies the operation process of sampling, sample.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a sampling nozzle according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of a sealing cover according to an embodiment of the present invention.

Fig. 4 is a partial schematic view of a sampling nozzle according to an embodiment of the present invention.

Fig. 5 is a comparison graph of the sampling Ct variation value between the embodiment of the present invention and the existing sampling tube.

The labels in the figure are: 1. a pipe body; 2. a sampling nozzle; 3. a sealing cover; 4. a lower cylinder; 5. a middle cylinder; 6. an upper cone; 7. a chock; 8. a second convex ring; 9. an external threaded portion; 10. an annular outer flange; 11. an annular groove; 12. a sealing groove; 13. and (4) a groove.

Detailed Description

In order to make the aforementioned and other features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

As shown in fig. 1~5, a virus sampling tube for reducing aerosol pollution comprises a tube body 1 with an opening at the top, a sampling nozzle 2 is detachably installed at the opening of the tube body 1, a through hole penetrating through the upper and lower end surfaces of the sampling nozzle 2 is formed in the middle of the sampling nozzle 2, and a sealing cover 3 is detachably installed at the top of the sampling nozzle 2.

In this embodiment, sampling mouth 2 includes from down up cylinder 4, well cylinder 5 and the last cone 6 of the lower cylinder 4 that the undergauge set up in proper order, all be provided with anti-skidding line on the lateral wall of cylinder 4 and well cylinder 5 down.

In this embodiment, the sealing cover 3 comprises a cover body with a downward opening, a plug 7 extends downward from the inner top surface of the cover body, the plug 7 is detachably inserted into the opening of the sampling nozzle 2, and the bottom of the cover body is in contact with the upper end surface of the middle cylinder 5.

In this embodiment, first bulge loop has been seted up on the inside wall of sealed lid 3, the surface of going up cone 6 has second bulge loop 8, be formed with the draw-in groove between the top of second bulge loop 8 and well cylinder 5, in the removable embedding draw-in groove of first bulge loop, the installation of conveniently dismantling.

In this embodiment, an external thread portion 9 is provided on the top of the outer side wall of the tube body 1, an internal thread portion matching with the external thread portion 9 is provided on the inner side wall of the sampling nozzle 2, an external annular flange 10 is provided on the outer surface of the tube body 1 at the bottom of the external thread portion 9, and the bottom of the sampling nozzle 2 contacts with the upper end face of the external annular flange 10.

In this embodiment, the annular groove 11 of upwards sunken is seted up to the bottom of sampling mouth 2, the top part embedding annular groove 11 of body 1 is interior, internal thread portion is located the inner wall of annular groove 11, at least one seal groove 12 has been seted up to the inside wall of body 1, the embedded sealing ring that is equipped with of seal groove 12, annular groove 11 covers the seal groove, improves the leakproofness.

In this embodiment, the chock 7 is made of rubber, so that the assembly and disassembly are convenient, and the sealing performance is improved.

In this embodiment, a groove 13 recessed upwards is formed in the middle of the bottom of the stopper 7, elastic sponge blocks (not shown in the figures) for clamping the tail of the swab are annularly distributed on the inner wall of the groove 13, the sponge blocks are distributed in a staggered manner, the clamping degree is effectively improved, the elastic sponge blocks can be used for clamping the tail of the swab, and the use is simple and convenient.

In this embodiment, the pipe body 1 is made of soft rubber, has flexibility, and can be extruded.

In the embodiment, the virus sampling tube for reducing aerosol pollution realizes qualitative detection of a target object by properly extruding the tube body 1 and dropwise adding a sample to be detected to a corresponding position in a nucleic acid extraction plate from the sampling nozzle 2; if quantitative detection is needed, a certain volume of sample in the sampling nozzle 2 is sucked by the pipette gun to carry out the next quantitative experiment operation. By adopting the operation method, the pollution of aerosol generated in the experimental process to the laboratory environment can be reduced, and the physical and psychological health of workers can be guaranteed.

Clinical validation experiments were conducted using the sampling tube of the invention of this patent and the data is shown in figure 5. The novel coronavirus nucleic acid detection experiment is carried out by adopting the dropwise adding and sample adding method developed by the invention, and the Ct change values of two detection genes and an internal reference gene are not obviously changed. The experimental result shows that the sampling tube developed by the invention has consistency with the existing sampling tube.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any person skilled in the art can make any simple modification, equivalent change and modification to the above embodiments without departing from the technical scope of the present invention.

Claims

1. A virus sampling tube for reducing aerosol pollution is characterized in that: have the open-ended body including the top, the sampling mouth is installed detachably to the opening part of body, the through-hole that runs through terminal surface about the sampling mouth is seted up at the middle part of sampling mouth, sealed lid is installed detachably at the top of sampling mouth.

2. The virus sampling tube for reducing aerosol contamination of claim 1, wherein: the sampling mouth includes down cylinder, well cylinder and the last cone that up undergauge in proper order down set up, all be provided with anti-skidding line on the lateral wall of cylinder and well cylinder down.

3. The aerosol contamination reduction virus sampling tube of claim 2, wherein: the sealed lid includes opening decurrent lid, the interior top surface downwardly extending of lid has the chock, the opening part of chock detachable embedding sampling mouth, the bottom of lid contacts with the up end of well cylinder.

4. The aerosol contamination reduction virus sampling tube of claim 2, wherein: a first convex ring is arranged on the inner side wall of the sealing cover, a second convex ring is arranged on the outer surface of the upper cone, a clamping groove is formed between the second convex ring and the top of the middle cylinder, and the first convex ring is detachably embedded into the clamping groove.

5. The aerosol contamination reduction virus sampling tube of claim 1, wherein: the lateral wall top of body is provided with external screw thread portion, be provided with on the inside wall of sampling mouth with external screw thread portion matched with internal thread portion, the surface of body is located the bottom position of external screw thread portion and is provided with the annular outward flange, the bottom of sampling mouth contacts with the up end of annular outward flange.

6. The aerosol contamination reduction virus sampling tube of claim 5, wherein: the bottom of sampling mouth is seted up the ring channel of upwards sunken, the top part embedding ring channel of body, internal thread portion is located the inner groove wall of ring channel, at least one seal groove has been seted up to the inside wall of body, the embedded sealing ring that is equipped with of seal groove, the ring channel covers the seal groove.

7. A virus sampling tube for reducing aerosol contamination according to claim 3 wherein: the chock is made of rubber.

8. The aerosol contamination reduction virus sampling tube of claim 7, wherein: and the middle of the bottom of the chock block is provided with an upward sunken groove.

9. The aerosol contamination reduction virus sampling tube of claim 1, wherein: the pipe body is made of soft rubber.