CN218237773U - Nucleic acid sampling aid for reducing risk of aerosol infection - Google Patents

Abstract

The utility model relates to a nucleic acid sampling auxiliary assembly technical field particularly, relates to a nucleic acid sampling auxiliary assembly for reducing aerosol infection risk. The nucleic acid sampling auxiliary equipment for reducing the aerosol infection risk comprises an air suction device, an air guide pipe, a fan and a disinfection device; the air suction device is provided with an air suction opening and an air duct, the air suction opening is opposite to the sampling area, and the air suction opening is communicated with the air duct; the air duct is communicated with one end of the induced duct, and the other end of the induced duct is communicated with the disinfection device; the fan is arranged on the induced draft tube and used for leading out the gas from the air duct to the disinfection device, and the disinfection device is used for killing viruses. The utility model provides a nucleic acid sampling auxiliary assembly for reducing aerosol infects risk, the risk that reducible virus exposes improves the security of sampling region and near environment, not only can suitably reduce sampling personnel's protection tightness, reduces secondary health harm, but also is difficult for causing follow-up testee's infection, but greatly reduced propagates the risk.

Description

Nucleic acid sampling aid for reducing risk of aerosol infection

Technical Field

The utility model relates to a nucleic acid sampling auxiliary assembly technical field particularly, relates to a nucleic acid sampling auxiliary assembly for reducing aerosol infection risk.

Background

Viruses causing respiratory diseases exist, which can be transmitted not only through saliva but also through aerosol, such as the new coronavirus, and the infectivity is very strong.

Nucleic acid sampling is a common means for detecting viruses causing respiratory diseases, in the nucleic acid sampling process, a detected person needs to take off a mask and open the oral cavity, once the detected person is an infected person, the carried viruses can possibly enter the surrounding environment along with the exhaled gas of the infected person and exist in the form of toxic aerosol, so that the viruses are exposed, in order to prevent infection caused in the operation process, the sampling person needs to be strictly protected, secondary health hazards can be caused, in addition, infection of subsequent detected persons is easily caused, and the transmission risk caused by nucleic acid detection is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a nucleic acid sampling auxiliary assembly for reducing aerosol infection risk to alleviate the technical problem that the risk was propagated in the easy production that the nucleic acid sampling process exists among the prior art.

The utility model provides a nucleic acid sampling auxiliary assembly for reducing aerosol infection risk, a serial communication port, including the device that induced drafts, induced duct, fan and degassing unit.

The air suction device is provided with an air suction opening and an air duct, the air suction opening is opposite to the sampling area, and the air suction opening is communicated with the air duct; the air duct is communicated with one end of the induced draft tube, and the other end of the induced draft tube is communicated with the disinfection device; the fan is arranged on the induced draft tube and used for leading the gas from the air duct into the disinfection device, and the disinfection device is used for killing viruses.

Preferably, as an implementable mode, the air suction opening is of a strip-shaped structure, and the air suction opening extends around the sampling area;

or the plurality of air suction openings are distributed around the sampling area.

Preferably, as an implementation manner, the air duct is annular or arched, the sampling area is located in an area surrounded by the air duct, and the air suction opening is located on the inner side of the air duct.

Preferably, as an implementation manner, the air suction opening is of a strip-shaped structure, and the air suction opening is formed in the inner side wall of the air duct and extends along an annular profile or an arched profile of the air duct;

or the air suction openings are of a hole-shaped structure and are provided with a plurality of air suction openings, and the air suction openings are formed in the inner side wall of the air duct and are dispersedly arranged along the annular molded line or the arched molded line of the air duct;

or the air suction device is provided with a plurality of air suction pipes which are dispersedly arranged along the annular molded line or the arched molded line of the air duct; and the pipe orifice at one end of the air suction pipe faces the sampling area to form the air suction opening, and the pipe orifice at the other end of the air suction pipe is communicated with the air channel.

Preferably, as an implementation mode, the air suction device is provided with a clapboard which is used for separating a sampling person and a person to be tested; a sampling channel is formed in the partition plate, and the air suction opening is arranged towards the sampling channel;

and/or the fan is positioned at one end of the induced draft tube close to the disinfection device;

and/or the air suction device is provided with a workbench which is used for placing the sampling tool.

Preferably, as an embodiment, the partition and/or the air duct are transparent structures.

Preferably, as an implementable mode, the disinfecting device includes a housing and a filler, the filler is filled in the housing and used for adsorbing and retaining disinfectant, the housing has an air inlet and an air outlet, the air inlet is used for communicating with the induced draft pipe, and the filler is arranged between the air inlet and the air outlet.

Preferably, as an implementation mode, the disinfection device further comprises a water pump, a liquid guide tube and a spray header, wherein a liquid inlet of the water pump is communicated with the bottom inside the shell, a liquid outlet of the water pump is communicated with the liquid guide tube, the liquid guide tube is communicated with the spray header, and the spray header is located above the filler;

and/or the air inlet is positioned below the filler, and the air outlet is positioned above the filler.

Preferably, as an implementation mode, a liquid level meter is installed on the shell and used for reflecting the liquid level of the disinfection liquid in the shell;

and/or the bottom of the shell is provided with a vent, and a vent valve is arranged at the vent.

Preferably, as an implementation mode, a grid is installed in the shell and used for bearing the filler and suspending the filler;

and/or, the air outlet is opened in the top side wall of the shell, the top opening of the shell is arranged, and the top cover of the shell is provided with a detachable top cover.

Compared with the prior art, the beneficial effects of the utility model reside in that:

before carrying out nucleic acid testing, will the utility model provides a nucleic acid sampling auxiliary assembly for reducing aerosol infection risk places in the check point to make the device that induced drafts arrange sampling region in and near. The fan is started, a negative pressure environment is formed near the air suction opening, then, sampling work is started, the face of a testee is close to a sampling area to sample, air exhaled by the testee after the testee takes off the mask can be inhaled into the air induction pipe through the air suction opening, and is conveyed into the disinfection device through the fan, so that the air exhaled by the testee cannot easily directly enter the surrounding environment, but is guided to the disinfection device through the fan, and is exhausted after disinfection and sterilization treatment through the disinfection device.

Therefore, when the tested person is the infected person, the exhaled aerosol containing the virus can enter the disinfection device through the air induction pipe, and the virus in the aerosol in the disinfection device can be killed, so that the exposure risk of the virus can be reduced, the safety of a sampling area and the nearby environment can be improved, the protection tightness of sampling personnel can be properly reduced, the secondary health hazard can be reduced, the infection of the subsequent tested person is not easily caused, and the propagation risk can be greatly reduced.

In addition, the existence of induced duct can realize placing degassing unit in the regional purpose of keeping away from the crowd to make the gas after being disinfected and killed can discharge to the region of keeping away from the crowd, thereby, if virus in the aerosol appears and disinfects incompletely, when resulting in the residual virus in degassing unit discharge gas, can reduce the risk that the virus contacts the people as far as possible.

Drawings

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

Fig. 1 is a schematic partial sectional structural view of a nucleic acid sampling auxiliary device for reducing the risk of aerosol infection according to an embodiment of the present invention;

fig. 2 is a partial sectional view of a first alternative structure of an air duct and an air suction inlet in a nucleic acid sampling auxiliary device for reducing the risk of aerosol infection according to an embodiment of the present invention;

FIG. 3 is a partial cross-sectional view of a second alternative structure of an air duct and an air suction inlet in a nucleic acid sampling auxiliary device for reducing the risk of aerosol infection according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a third alternative structure of an air duct and an air suction opening in a nucleic acid sampling auxiliary device for reducing the risk of aerosol infection according to an embodiment of the present invention;

fig. 5 is a schematic diagram of a fourth alternative structure of an air duct and an air suction inlet in a nucleic acid sampling auxiliary device for reducing the risk of aerosol infection according to an embodiment of the present invention.

Description of reference numerals:

100-an air duct;

200-an air suction opening;

300-induced duct;

400-a fan;

500-a disinfection device; 510-a housing; 511-air outlet; 512-a cavity; 520-a filler; 530-a water pump; 540-a catheter; 550-a spray header; 560-level gauge; 570-a blow-down valve; 580-a grid; 590-a top cover;

600-an air suction pipe;

700-a spacer;

800-the work level.

Detailed Description

The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The present invention will be described in further detail with reference to specific embodiments and drawings.

Referring to fig. 1, the present embodiment provides a nucleic acid sampling auxiliary apparatus for reducing the risk of aerosol infection, which includes an air suction device, an air guide tube 300, a blower 400, and a sterilizing device 500; the air suction device is provided with an air suction opening 200 and an air duct 100, the air suction opening 200 is opposite to the sampling area, and the air suction opening 200 is communicated with the air duct 100; the air duct 100 is communicated with one end of the induced draft tube 300, and the other end of the induced draft tube 300 is communicated with the sterilizing device 500; the blower 400 is installed in the induced air duct 300, and is used for leading the air from the air duct 100 to the disinfection device 500, and the disinfection device 500 is used for killing viruses.

Before the nucleic acid detection, the nucleic acid sampling auxiliary device for reducing the risk of aerosol infection provided by the embodiment is placed at a detection point, and the air suction device is placed near a sampling area. The fan 400 is started, a negative pressure environment is formed near the air suction opening 200, then, sampling work is started, the face of the testee is close to a sampling area to sample, air exhaled by the testee after taking off the mask can be inhaled into the air induction pipe 300 through the air suction opening 200, and is conveyed into the disinfection device 500 through the fan 400, so that the air exhaled by the testee cannot directly enter the surrounding environment, but is guided to the disinfection device 500 through the fan 400, and is exhausted after being sterilized by the disinfection device 500.

Therefore, when the testee is an infected person, the exhaled toxic aerosol can enter the disinfection device 500 through the air induction pipe 300, and the virus in the aerosol in the disinfection device 500 can be killed, so that the virus exposure risk can be reduced, the safety of a sampling area and the nearby environment can be improved, the protection tightness of sampling personnel can be properly reduced, the secondary health hazard can be reduced, the infection of the follow-up testee is not easily caused, and the propagation risk can be greatly reduced.

In addition, the existence of induced duct 300 can realize placing degassing unit 500 in the region of keeping away from the crowd's purpose to make the gas after the disinfection and sterilization treatment can discharge to the region of keeping away from the crowd, thereby, if virus in the aerosol appears and kills incompletely, when leading to the internal residual virus of degassing unit 500 discharge, can reduce the risk that the virus contacts people as far as possible.

The air suction opening 200 may be provided in two forms: first, referring to fig. 1 to 3, the air suction opening 200 is arranged in a strip structure, and the air suction opening 200 extends around the sampling area; secondly, referring to fig. 4 and 5, the air suction openings 200 are provided in a plurality, and the air suction openings 200 are distributed around the sampling region. The two types of air suction openings 200 can suck the air exhaled by the testee from different angles, so that the inhalation sufficiency of the exhaled air of the testee can be improved, the quantity of the air which is not inhaled is reduced as much as possible, the virus exposure risk is further reduced, and the first type of air suction opening 200 is preferably adopted, so that the better inhalation sufficiency can be obtained.

Referring to fig. 1 to 5, the air duct 100 may be annular or arched, and the air duct 100 of the two shapes can enclose a sampling region, preferably, the air duct 100 is annular, and referring to fig. 1 and 3 to 5, the annular air duct 100 can surround the sampling region more fully from the periphery, when the air suction openings 200 are provided, the distribution of the air suction openings 200 on the annular air duct 100 can be more uniform, the air suction flow is more uniform, and the situation that the air exhaled by the testee cannot be sucked into the air suction openings 200 due to the absence of the air suction openings 200 in part of the region is prevented, so that the air suction effect is ensured.

As an alternative, referring to fig. 1-3, the air suction openings 200 may be arranged in a strip-like structure, and the air suction openings 200 are arranged along the circular line or the arched line of the air duct 100, so as to obtain a better air suction effect.

As another possible implementation manner, referring to fig. 4, the air suction openings 200 may be arranged in a hole-shaped structure, and the air suction openings 200 may be arranged in a plurality of numbers, and the plurality of air suction openings 200 are opened on the inner side wall of the air duct 100 and are dispersedly arranged along the circular line or the arched line of the air duct 100.

As another possible implementation manner, referring to fig. 5, a plurality of air suction pipes 600 may be disposed in the air suction device, such that the plurality of air suction pipes 600 are disposed along the circular line or the arched line of the air duct 100 in a distributed manner, and one end of each air suction pipe 600 faces the sampling area, so as to use the pipe end of each air suction pipe 600 as the air suction opening 200, and communicate the other end of each air suction pipe 600 with the air duct 100.

Referring to fig. 1, a partition 700 may be disposed in the air suction device to separate a sampling person and a person to be tested by using the partition 700, so as to further improve the protection effect on the sampling person; on the basis, a sampling channel is arranged on the partition plate 700, the air suction opening 200 is arranged towards the sampling channel, and the sampling channel can be used for penetrating through a sampling tool (such as a cotton swab) so as to realize the sampling of a person to be tested by a sampling person.

Specifically, the air suction opening 200 is provided at a portion of the sampling passage near the person to be tested to be able to suck the air exhaled by the person to be tested as sufficiently as possible.

Preferably, the blower 400 is disposed at one end of the induced duct 300 close to the disinfection device 500, so as to ensure that the whole induced duct 300 is in a negative pressure state, and avoid the risk of virus leakage due to the damage of the duct.

Can set up workstation 800 in the device that induced drafts to utilize workstation 800 to place the sampling instrument, be convenient for the sampling personnel and take the sample, of course, also can place other article on the workstation 800, like antiseptic solution, place the container of sample etc..

Preferably, one or both of the partition 700 and the air duct 100 are made to be transparent structures so as to facilitate operation and observation, and on one hand, after the sampling personnel completes preparation work, the tested personnel can timely move the face to the sampling area and open the oral cavity so as to improve the matching degree and the sampling efficiency; on the other hand, the person who samples can observe the personnel that are surveyed well, the accurate sampling of the personnel that are surveyed after opening the oral cavity of being convenient for.

The specific structure of the disinfection device 500 can be provided with a shell 510 and a filler 520, the filler 520 is filled in the shell 510, before use, disinfectant is sprayed on the filler 520, and the filler 520 can generate certain adsorption and retention effects on the disinfectant so as to prolong the suspension time of the disinfectant in the air; an air inlet and an air outlet 511 are formed in the housing 510, wherein the air inlet can be used for being communicated with the induced air pipe 300, so that the air in the induced air pipe 300 can be sent into the housing 510 through the air inlet by the fan 400 and finally discharged from the air outlet 511 of the housing 510, the filler 520 is arranged between the air inlet and the air outlet 511, so that the air entering the housing 510 from the air inlet can be sterilized by disinfectant adsorbed on the filler 520 and then discharged, the contact sufficiency of the disinfectant and the air can be improved by the arrangement of the filler 520, and the safety of the gas discharged through the air outlet 511 is ensured.

The disinfection device 500 can also be provided with a water pump 530, a liquid guide pipe 540 and a spray head 550, wherein a liquid inlet of the water pump 530 is communicated with the bottom of the shell 510, a liquid outlet of the water pump 530 is communicated with the liquid guide pipe 540, the liquid guide pipe 540 is communicated with the spray head 550, the spray head 550 is arranged above the filler 520, when disinfectant falls to the bottom of the shell 510 through the filler 520 under the action of self gravity, the water pump 530 can pump the disinfectant at the bottom of the shell 510 to the spray head 550 through the liquid guide pipe 540, the disinfectant is sprayed onto the filler 520 from the top of the filler 520 through the spray head 550, the disinfectant sprayed on the top of the filler 520 can slowly permeate into the filler 520 below downwards under the action of self gravity, and finally falls down again from the bottom of the filler 520, and the disinfectant circulates back and forth, so that good disinfection and killing effects are guaranteed.

Specifically, the water pump 530 may be installed at the bottom of the case 510.

Preferably, the air inlet is disposed below the packing 520, and the air outlet 511 is disposed above the packing 520, so that after the air enters the casing 510, the air flows through the packing 520 in a reverse flow manner from bottom to top relative to the disinfectant flowing from top to bottom, thereby improving the disinfection effect.

Preferably, the liquid level meter 560 may be installed on the housing 510 to reflect the liquid level of the disinfectant in the housing 510 by using the liquid level meter 560, so that when the amount of the disinfectant in the housing 510 is insufficient, the disinfectant can be timely observed from the liquid level meter 560, the disinfectant can be timely supplemented, the risk of incomplete disinfection caused by insufficient disinfectant can be reduced, and the safety of the discharged gas can be ensured.

A vent hole can be opened at the bottom of the shell 510, a vent valve 570 is installed at the vent hole, and when normal disinfection and killing work is carried out, the vent valve 570 is closed to prevent disinfectant from leaking out of the vent hole; after the sterilization is completed, the emptying valve 570 can be opened to empty the disinfectant in the shell 510, so as to prevent the disinfectant from leaking during transportation and facilitate storage.

The grating 580 can be installed in the shell 510 to utilize the grating 580 to bear the filler 520, so that the filler 520 can be stably suspended in the air, a cavity with a certain height is reserved below the shell 510, and the disinfectant flowing down through the filler 520 can fall into the cavity 512, thereby being beneficial to improving the disinfectant pumping effect of the water pump 530.

The top opening of the shell 510 is arranged, the top of the shell 510 is covered with the detachable top cover 590, and the air outlet 511 is arranged on the side wall of the top of the shell 510, so that when the top cover 590 covers the top of the shell 510, the air outlet 511 is not affected, the top cover 590 is arranged to play a rainproof effect, prevent rainwater from entering the shell 510 to dilute disinfectant, and ensure the disinfection effect of the disinfectant; when needing to be supplemented with disinfectant or maintained, the top cover 590 can be disassembled for operation.

To sum up, the embodiment of the utility model discloses a nucleic acid sampling auxiliary assembly for reducing aerosol infection risk, it has overcome a great deal of technical defect of traditional nucleic acid sampling process. The embodiment of the utility model provides a nucleic acid sampling auxiliary assembly for reducing aerosol infection risk, the risk that reducible virus exposes improves the security of sampling region and near environment, not only can suitably reduce the protection leakproofness of sampling personnel, reduces secondary health hazard, but also is difficult for causing follow-up testee's infection, but greatly reduced propagates the risk.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the term "mounted" is to be interpreted broadly, e.g., as being either fixedly attached or detachably attached, or integrally attached; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims (10)

1. A nucleic acid sampling auxiliary device for reducing aerosol infection risk is characterized by comprising an air suction device, an air guide pipe (300), a fan (400) and a disinfection device (500);

the air suction device is provided with an air suction opening (200) and an air duct (100), the air suction opening (200) is opposite to the sampling area, and the air suction opening (200) is communicated with the air duct (100); the air duct (100) is communicated with one end of the induced draft tube (300), and the other end of the induced draft tube (300) is communicated with the disinfection device (500); the fan (400) is arranged on the induced draft tube (300) and used for leading the air from the air duct (100) to the disinfection device (500), and the disinfection device (500) is used for killing viruses.

2. The nucleic acid sampling auxiliary device for reducing the risk of aerosol infection according to claim 1, wherein the air suction opening (200) is of a strip structure, and the air suction opening (200) is arranged to extend around the sampling area;

or the number of the air suction openings (200) is multiple, and the air suction openings (200) are distributed around the sampling area in a scattered manner.

3. The nucleic acid sampling auxiliary device for reducing the risk of aerosol infection according to claim 2, characterized in that the wind tunnel (100) is annular or arched, and the sampling area is located in the area enclosed by the wind tunnel (100), and the air suction opening (200) is located inside the wind tunnel (100).

4. The nucleic acid sampling auxiliary device for reducing the risk of aerosol infection according to claim 3, wherein the air suction opening (200) is a strip-shaped structure, and the air suction opening (200) extends along an annular line or an arched line of the air duct (100);

or the air suction openings (200) are of a hole-shaped structure, the number of the air suction openings (200) is multiple, and the air suction openings (200) are arranged on the inner side wall of the air duct (100) and are dispersedly arranged along the annular molded line or the arched molded line of the air duct (100);

or the air suction device is provided with a plurality of air suction pipes (600), and the air suction pipes (600) are dispersedly arranged along the annular molded line or the arched molded line of the air duct (100); the mouth of pipe of one end of aspiration channel (600) moves towards sampling area forms aspiration inlet (200), the other end mouth of pipe of aspiration channel (600) with wind channel (100) intercommunication.

5. The nucleic acid sampling auxiliary apparatus for reducing the risk of aerosol infection according to claim 1, wherein the air suction device has a partition plate (700), the partition plate (700) is used for separating a sampling person and a person to be tested; a sampling channel is formed in the partition plate (700), and the air suction opening (200) is arranged towards the sampling channel;

and/or the fan (400) is positioned at one end of the induced air pipe (300) close to the disinfection device (500);

and/or the air suction device is provided with a workbench (800), and the workbench (800) is used for placing a sampling tool.

6. The nucleic acid sampling aid for reducing the risk of aerosol infection of claim 5, wherein the partition (700) and/or the air chute (100) are transparent structures.

7. The nucleic acid sampling auxiliary device for reducing the risk of aerosol infection according to any one of claims 1-6, wherein the disinfection device (500) comprises a housing (510) and a filler (520), the filler (520) is filled in the housing (510) and is used for adsorbing and retaining disinfection solution, the housing (510) is provided with an air inlet and an air outlet (511), the air inlet is used for being communicated with the induced air pipe (300), and the filler (520) is arranged between the air inlet and the air outlet (511).

8. The nucleic acid sampling auxiliary device for reducing the risk of aerosol infection according to claim 7, wherein the disinfection device (500) further comprises a water pump (530), a liquid guide tube (540) and a spray header (550), wherein a liquid inlet of the water pump (530) is communicated with the bottom inside the housing (510), a liquid outlet of the water pump (530) is communicated with the liquid guide tube (540), the liquid guide tube (540) is communicated with the spray header (550), and the spray header (550) is positioned above the filler (520);

and/or the air inlet is positioned below the filler (520), and the air outlet (511) is positioned above the filler (520).

9. The nucleic acid sampling accessory of claim 7, wherein the housing (510) has a level gauge (560) mounted thereon, the level gauge (560) being configured to reflect a level of a disinfectant within the housing (510);

and/or a vent is formed in the bottom of the shell (510), and a vent valve (570) is mounted at the vent.

10. The nucleic acid sampling auxiliary device for reducing the risk of aerosol infection according to claim 7, characterized in that a grid (580) is mounted inside the housing (510), the grid (580) being used for carrying the filling material (520) so as to suspend the filling material (520);

and/or, the air outlet (511) is opened in the top side wall of casing (510), the open-top setting of casing (510), just the top lid of casing (510) is equipped with detachable top cap (590).

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