CN111700649A - Novel coronavirus sampling swab and sampling tube - Google Patents

Abstract

The invention discloses a novel coronavirus sampling swab and a sampling tube, and relates to the technical field of virus sampling. When the novel coronavirus sampling swab is used for sampling, the nose part can be supported at the nose tip part of a detected person by contacting the supporting plate, the poke rod is poked to drive the sliding rod to slide along the guide slideway, so that the stable feeding of the swab rod is realized, the shake of the swab rod cannot be reduced, and the possibility of sneezing and reflecting of the detected person is reduced; through scale mark and spring, can be more accurate judge wipe the son head and reach the pharynx, can avoid appearing excessively stretching into and cause the condition that the detected person appears extremely uncomfortable to a certain extent. Before the novel coronavirus sampling swab is not used, the swab rod can be sealed and stored by using the sampling tube, so that foreign matters can be prevented from being polluted, and after the sample is taken, the novel coronavirus sampling swab is placed in the sampling tube again, so that the sample can be stored in a sealed manner.

Description

Novel coronavirus sampling swab and sampling tube

technical field

The present invention relates to the technical field of virus sampling, in particular, to a novel coronavirus sampling swab and sampling tube.

Background technique

Coronaviruses are a large family of viruses known to cause colds and more serious diseases such as Middle East Respiratory Syndrome (MERS) and Severe Acute Respiratory Syndrome (SARS). The novel coronavirus is a new strain of coronavirus that has never been found in humans before.

Common signs of people infected with the new coronavirus include respiratory symptoms, fever, cough, shortness of breath, and difficulty breathing. In more severe cases, the infection can lead to pneumonia, severe acute respiratory syndrome, kidney failure, and even death. There is currently no specific treatment for the disease caused by the new coronavirus. Due to the highly contagious nature of the new coronavirus, it is crucial to effectively sample and test suspicious populations, so as to isolate those who carry the virus and avoid wider spread.

At present, nasopharyngeal swabs are generally used to sample the pharynx of the subject, which has the following characteristics:

1) The patient's tolerance is good, and the swab can stay in the pharynx for a longer time in order to obtain a sufficient amount of specimens;

2) The exposure risk of the sampler is low, because the sampler can stand behind the patient during sampling, and the patient is required to pull down the mask to expose only the nostrils, cover the mouth, and do not need to look directly at the patient's mouth, and there is basically no gag reflex. , a small number of patients may have a sneeze reflex after sampling, and the patient can be covered with an elbow or a tissue, and because the sampler is not directly in front of the patient, the exposure risk is quite low, so the psychological pressure of the sampler will not be so great.

Although nasopharyngeal swabs have the above characteristics, they also have defects, mainly reflected in:

1) The swab rod of the nasopharyngeal swab is slender, elastically bendable, and has poor operational stability, and then there is still a high possibility that the tested person will have a sneeze reflex;

2) The nasopharyngeal swab lacks scale indication and anti-overfeeding structure, which makes the sampler unable to better perceive the depth reached by the swab head, which is likely to make the subject extremely uncomfortable.

SUMMARY OF THE INVENTION

The present invention is to provide a novel coronavirus sampling swab and sampling tube, which can alleviate the above problems.

In order to alleviate the above-mentioned problems, the technical scheme adopted by the present invention is as follows:

In a first aspect, the present invention provides a novel coronavirus sampling swab, comprising a swab rod, a swab head connected to the front end of the swab rod, and a handle connected to the rear end of the swab rod;

The front end of the handle is provided with a nose contact support plate, a guide slide is arranged axially inside, and the nose contact support plate is provided with a through hole that communicates the guide slide with the outside world, and the diameter of the through hole is larger than the diameter of the through hole. the diameter of the swab rod is smaller than the diameter of the sliding rod;

A sliding rod is axially arranged in the guide slideway, and the rear end of the swab rod penetrates the guide slideway through the through hole of the nose contacting support plate, and is detachably connected with the front end of the slide rod ;

The sliding rod is connected with a toggle lever, the side wall of the handle is provided with a toggle area, and the toggle area is extended and arranged along the length direction of the handle, and in the radial direction of the handle, is connected with the guide slide. The channels are connected, the toggle rod passes out from the toggle area, and by toggling the toggle rod, the sliding rod can be driven to slide along the guide slideway;

The front end of the guide slideway is provided with a spring, the swab rod penetrates the spring, the front end of the spring is abutted against the rear side of the nose contact support plate, and the rear end faces the front end of the sliding rod, used for elastically limit the sliding position of the sliding rod;

The position of the outer wall of the handle close to the toggle area is provided with a scale line for indicating the moving distance of the toggle rod along the length direction of the handle.

The technical effect of this technical solution is: during sampling, the nose contact support plate can be used to support the nose tip of the tested person, and the swab rod is driven to slide along the guide slide by toggling the toggle rod, thereby realizing the swab rod. Stable feeding will not reduce the shaking of the swab rod and reduce the possibility of sneezing reflex of the tested person; the distance between the pharynx and the nostril of an average person is about 8cm, and through the scale line, it can be more accurately judged whether the swab head has reached the The pharynx, to a certain extent, can avoid excessive penetration and cause extreme discomfort to the subject. After the sliding rod slides forward to a certain distance, the spring can play an elastic obstacle to it, and then let the sampler Better perception of whether the swab head reaches the pharynx.

Further, the handle includes a handle segment, an observation segment connected to the front end of the handle segment, the nose contact support plate is provided at the front end of the observation segment, the toggle area is provided on the handle segment, and the Both the handle section and the observation section are axially provided with through holes, and their through holes are connected to form the guide slideway, the spring is arranged in the inner hole of the observation section, and the observation section is connected to the The nose contact support plates are all transparent bodies.

The technical effect of the technical solution is: the transparent structure design of both the observation section and the nose contacting the support plate is convenient for the sampler to observe the situation at the nostril of the tested person.

Further, the outer wall of the handle section at the front end and the outer wall of the observation section at the rear end are all threaded, and the two threaded parts are connected by a threaded connection sleeve, so that the handle section and the observation section can be connected. Remove the connection.

The technical effect of the technical solution is that the handle section and the observation section are easy to disassemble and assemble.

Further, the toggle area is a notch groove structure opened at the rear end of the handle segment.

The technical effect of the technical solution is that it is convenient to process the toggle area.

Furthermore, the rear end of the through hole of the handle segment is provided with a tail cover.

The technical effect of the technical solution is that the tail cover can play a role of encapsulation.

Further, the swab rod is threadedly connected with the sliding rod.

Further, in the process of the sliding rod sliding forward along the guide slideway, when the part of the swab rod outside the guide slideway reaches 7.5 cm, the sliding rod starts to interact with the spring. touch.

The technical effect of the technical solution is that it can accurately determine whether the swab head reaches the pharynx.

Further, the sliding rod is wrapped with a rubber layer for forming a seal with the inner wall of the guide slideway, and the front end of the sliding rod is always located in front of the toggle area.

The technical effect of the technical solution is that external pollutants can be prevented from entering the area where the swab rod is located from between the sliding rod and the inner wall of the guide slideway, so as to avoid contamination of the swab rod.

Further, the swab head is made of medical grade rayon and has grooves.

The technical effect of the technical solution is that the groove is easy to collect samples.

In a second aspect, the present invention provides a sampling tube for placing the above-mentioned novel coronavirus sampling swab, comprising a tube body, the mouth of the tube body serves as a sealing area, the inner area is a sample storage area, and the sealing area The diameter of the sample storage area is larger than that of the sample storage area; the sealing area is used for assembling the nose contact support plate, and its inner wall is provided with a soft sealing layer for forming a seal with the nose contact support plate.

The technical effect of this technical solution is: before the new coronavirus sampling swab is not used, the swab rod can be sealed and stored with a sampling tube to avoid contamination by foreign objects, and after the sample is taken, the new coronavirus sampling swab After the sub is placed in the sampling tube, the sample can be stored in a closed manner.

In order to make the above-mentioned objects, features and advantages of the present invention more clearly understood, the following specific embodiments of the present invention are given and described in detail in conjunction with the accompanying drawings.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and therefore do not It should be regarded as a limitation of the scope, and for those of ordinary skill in the art, other related drawings can also be obtained according to these drawings without any creative effort.

1 is a schematic diagram of the external structure of the novel coronavirus sampling swab according to the embodiment of the present invention;

2 is a schematic cross-sectional structure diagram of a novel coronavirus sampling swab according to an embodiment of the present invention;

3 is a schematic diagram of the application of the novel coronavirus sampling swab according to the embodiment of the present invention;

4 is a schematic cross-sectional structural diagram of the sampling tube according to the embodiment of the present invention;

In the figure: 1-handle segment, 2-observation segment, 3-nose contact support plate, 4-threaded connection sleeve, 5-tail cover, 6-scale line, 7-toggle rod, 8-swab rod, 9 - Swab head, 10- toggle area, 11- slide bar, 12- guide slide, 13- spring, 14- tube body, 15- sample storage area, 16- sealing area, 17- subject, 18- Nostrils, 19 - Pharynx.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.

Thus, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the product of the invention is usually placed in use, only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying The device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, the terms "arranged", "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, It can also be a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Example 1

Please refer to FIGS. 1 and 2 , the present embodiment provides a novel coronavirus sampling swab, including a swab rod 8 , a swab head 9 connected to the front end of the swab rod 8 , and a handle connected to the rear end of the swab rod 8 ;

The front end of the handle is provided with a nose contact support plate 3, a guide slide 12 is provided axially inside, and the nose contact support plate 3 is provided with a through hole that communicates the guide slide 12 with the outside world, and the diameter of the through hole is larger than the swab rod. 8 and smaller than the diameter of the sliding rod 11;

A sliding rod 11 is axially arranged in the guiding slideway 12, and the rear end of the swab rod 8 penetrates the guiding slideway 12 through the through hole of the nose contacting support plate 3, and is detachably connected with the front end of the sliding rod 11;

The sliding rod 11 is connected with a toggle rod 7, and the side wall of the handle is provided with a toggle area 10. The toggle area 10 is expanded and arranged along the length direction of the handle, and in the radial direction of the handle, it communicates with the guide slide 12, and toggle The rod 7 goes out from the toggle area 10, and by the toggle lever 7, the sliding rod 11 can be driven to slide along the guide slideway 12;

The front end of the guide slide 12 is provided with a spring 13, the swab rod 8 passes through the spring 13, the front end of the spring 13 is abutted against the rear side of the nose contact support plate 3, and the rear end faces the front end of the sliding rod 11 for elastically restricting sliding the sliding position of the rod 11;

The position of the outer wall of the handle close to the toggle area 10 is provided with a scale line 6 for indicating the moving distance of the toggle lever 7 along the length direction of the handle.

Among them, the nose contact support plate 3 is used to support the peripheral part of the nostril 18 of the subject 17, and its material should not be too hard, and soft plastic, rubber, etc. can be used, which can not only meet the strength required for support, but also will not be too hard. Injuring the subject 17 because it is too hard. The shape of the nose contact support plate 3 is not limited, for example, it can be a circular plate or a square with rounded corners, and its size cannot be smaller than the size of a normal human nostril 18 .

In this embodiment, the sliding rod 11 is wrapped with a rubber layer for forming a seal with the inner wall of the guide slideway 12 , and the front end of the sliding rod 11 is always located in front of the toggle area 10 . The elastic interference extrusion part between the rubber layer and the inner wall of the guide slideway 12 should not be too thick, just enough to form a seal between the sliding rod 11 and the inner wall of the guide slideway 12, otherwise the frictional force is too large, which will make it difficult to pass the toggle The rod 7 drives the sliding rod 11 to slide along the guide slideway 12 .

As shown in Figure 3, when the new coronavirus sampling swab is in use, the appropriate head of the subject 17 is raised, and then the sampler holds the handle and inserts the swab head 9 from the nostril 18 of the subject 17. Before the toggle lever 7 is toggled, a part of the swab rod 8 is located outside the handle, and the length of this part is known to the sampler. When this part is fully inserted into the inner mouth of the nostril 18, the nose contacts the support plate 3 and is supported on the The area around the nostril 18 of the tested person 17;

Then the sampler toggles the toggle lever 7 to drive the slide bar 11 to move forward along the guide slide 12, and then the swab bar 8 also extends into the nostril 18 deeper;

The distance between the pharynx 19 and the nostril 18 of an ordinary person is about 8 cm. Through the scale line 6, the forward movement distance of the toggle rod 7 in the toggle area 10 is read, that is, the forward movement distance of the swab head 9, and then sampling The reader can judge the depth of the swab head 9 in the nostril 18;

In this embodiment, it is designed that when the sliding rod 11 slides forward along the guide slideway 12, when the portion of the swab rod 8 outside the guide slideway 12 reaches 7.5 cm, the slide rod 11 starts to interact with the spring 13 At this time, the swab head 9 continues to move forward, it needs to overcome the elastic resistance of the spring 13 and continue to toggle the toggle lever 7. The swab head 9 only needs to move about 0.5~0.8cm under this condition to reach the detected The pharynx 19 of the person 17 and the sample material collected in the pharynx 19 can stop moving the toggle lever 7 forward at this time;

Afterwards, the swab head 9 can be pulled out from the nostril 18 after the toggle lever 7 can be moved backward for a certain distance, that is, the sampling is completed.

In this embodiment, the coefficient of the spring 13 of the spring 13 cannot be selected too large, otherwise it will hinder the movement of the sliding rod 11 too much, as long as the sampler can feel the contact with the spring 13 .

In this embodiment, the handle includes a handle segment 1, an observation segment 2 connected to the front end of the handle segment 1, the nose contact support plate 3 is provided at the front end of the observation segment 2, the toggle area 10 is provided on the handle segment 1, and the handle segment 1 Both the observation section 2 and the observation section 2 are axially provided with through holes, and their through holes are connected to form a guide slide 12, the spring 13 is arranged in the inner hole of the observation section 2, and the observation section 2 and the nose contact support plate 3 are both transparent bodies , through the observation section 2 and the nose contact support plate 3, the sampler can roughly observe the feeding situation of the swab rod 8 at the nostril 18.

In this embodiment, the outer wall of the handle section 1 at the front end and the outer wall of the observation section 2 at the rear end are processed with threads, and the two threaded parts are connected by a threaded connection sleeve 4, so that the handle section 1 and the observation section 2 are detachable. connect.

In this embodiment, the toggle area 10 is a notch groove structure opened at the rear end of the handle section 1; the rear end of the through hole of the handle section 1 is provided with a tail cover 5; the swab rod 8 is threadedly connected with the sliding rod 11; the toggle rod 7 is perpendicular to the sliding rod 11; the swab head 9 is made of medical grade rayon and has a groove for collecting samples.

Example 2

Please refer to FIG. 4 , the present embodiment provides a sampling tube for placing the above-mentioned novel coronavirus sampling swab, including a tube body 14, the mouth of the tube body 14 is used as a sealing area 16, and the inner area is a sample storage area 15, The diameter of the sealing area 16 is larger than that of the sample storage area 15 ; the sealing area 16 is used for assembling the nose contact support plate 3 , and its inner wall is provided with a soft sealing layer for sealing with the nose contact support plate 3 .

Before the new coronavirus sampling swab is not used, the new coronavirus sampling swab described in Example 1 can be placed in the sampling tube, that is, the swab rod 8 with the swab head 9 is inserted into the sample from the mouth of the sampling tube The storage area 15, when the nose contacts the support plate 3 and reaches the sealing area 16, sinks to the sealing area 16 by means of interference fit, and forms a seal with the inner wall of the sealing area 16;

After the new coronavirus sampling swab is sampled according to the operation method in Example 1, it can be placed in the sampling tube again with reference to the aforementioned method. At this time, the sample carried by the swab head 9 is encapsulated in the sample storage area 15. , to avoid contamination by foreign objects.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. a novel coronavirus sampling swab, comprising a swab rod, a swab head connected to the front end of the swab rod and a handle connected to the rear end of the swab rod, characterized in that, The front end of the handle is provided with a nose contact support plate, a guide slide is arranged axially inside, and the nose contact support plate is provided with a through hole that communicates the guide slide with the outside world, and the diameter of the through hole is larger than the diameter of the through hole. the diameter of the swab rod is smaller than the diameter of the sliding rod; A sliding rod is axially arranged in the guide slideway, and the rear end of the swab rod penetrates the guide slideway through the through hole of the nose contacting support plate, and is detachably connected with the front end of the slide rod ; The sliding rod is connected with a toggle lever, the side wall of the handle is provided with a toggle area, and the toggle area is extended and arranged along the length direction of the handle, and in the radial direction of the handle, is connected with the guide slide. The channels are connected, the toggle rod passes out from the toggle area, and by toggling the toggle rod, the sliding rod can be driven to slide along the guide slideway; The front end of the guide slideway is provided with a spring, the swab rod penetrates the spring, the front end of the spring is abutted against the rear side of the nose contact support plate, and the rear end faces the front end of the sliding rod, used for elastically limit the sliding position of the sliding rod; The position of the outer wall of the handle close to the toggle area is provided with a scale line for indicating the moving distance of the toggle rod along the length direction of the handle. 2. The novel coronavirus sampling swab according to claim 1, wherein the handle comprises a handle segment, an observation segment connected to the front end of the handle segment, and the nose contact support plate is provided on the observation segment. The front end of the segment, the toggle area is provided on the handle segment, the handle segment and the observation segment are axially provided with through holes, and their through holes are connected to form the guide slide, the spring It is arranged in the inner hole of the observation section, and the observation section and the nose contact support plate are both transparent bodies. 3. The novel coronavirus sampling swab according to claim 2, wherein the outer wall of the handle section near the front end and the outer wall of the observation section near the rear end are all processed with threads, and the two threaded portions are threaded The connecting sleeve is connected so that the handle section and the observation section are detachably connected. 4. The novel coronavirus sampling swab according to claim 2, wherein the toggle area is a notch groove structure opened at the rear end of the handle section. 5. The novel coronavirus sampling swab according to claim 2, wherein the rear end of the through hole of the handle section is provided with a tail cover. 6. The novel coronavirus sampling swab according to claim 5, wherein the swab rod is threadedly connected to the sliding rod. 7. The novel coronavirus sampling swab according to claim 1, wherein in the process of the sliding rod sliding forward along the guide chute, when the swab rod is located in the guide chute When the outer part reaches 7.5 cm, the sliding rod comes into contact with the spring. 8 . The novel coronavirus sampling swab according to claim 1 , wherein the sliding rod is wrapped with a rubber layer for forming a seal with the inner wall of the guide slideway, and the front end of the sliding rod is always located on the dial. 9 . front of the moving area. 9 . The novel coronavirus sampling swab according to claim 1 , wherein the swab head is made of medical grade rayon and has grooves. 10 . 10. A sampling tube for placing the novel coronavirus sampling swab according to any one of claims 1 to 9, characterized in that, comprising a tube body, the orifice of the tube body is used as a sealing area, and the inner area is a sample Storage area, the diameter of the sealing area is larger than the diameter of the sample storage area; the sealing area is used for assembling the nose contact support plate, and its inner wall is provided with a soft seal for forming a seal with the nose contact support plate. quality sealing layer.

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