CN212466180U

CN212466180U - Virus sampling throat swab saddlebag

Info

Publication number: CN212466180U
Application number: CN202020493266.5U
Authority: CN
Inventors: 王小龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2021-02-05
Anticipated expiration: 2030-04-08

Abstract

The utility model relates to a technical field that is used for virus inspection to detect the instrument, specific virus sampling pharynx swab saddlebag that says so. The device comprises a plastic packaging bag, a test tube and a swab, wherein the test tube and the swab are packaged in the plastic packaging bag, preservative fluid is filled in the test tube, a swab head is arranged at the lower end of the swab, a sealing membrane which is easy to tear is arranged on a tube opening of the test tube, and external threads are arranged on the outer wall of the test tube; the swab includes hollow structure's outer tube, cartridge pole, the end cover of fixed connection in the outer tube upper end of the columnar structure in the inner chamber of outer tube, has the internal thread on the end cover, and this internal thread matches the external screw thread of test tube outer wall. The swab body of this saddlebag adopts telescopic structure, can avoid cutting the drawback such as the work load increase that the swab handle brought, sample receive the pollution, sample pollution surrounding environment.

Description

Virus sampling throat swab saddlebag

Technical Field

The utility model relates to a technical field that is used for virus inspection to detect the instrument, specific virus sampling pharynx swab saddlebag that says so.

Background

For suspected people with respiratory disease symptoms, the existing detection and diagnosis technology generally adopts a throat swab for sampling, utilizes the throat swab to collect secretions in the deep part of the nasopharynx of the suspected patient, stores the secretions in a test tube container, and sends the secretions to a laboratory for virus culture and assay. The existing pharyngeal swab tool is generally composed of a cotton swab and a test tube pre-filled with a virus preservation solution, wherein the cotton swab is used for collecting a sample as a swab, then the cotton swab is soaked in the preservation solution of the test tube, and the swab is sealed and a sample number is filled on a label on the outer wall of the test tube. Aiming at the characteristic of sampling viruses in the deep nasopharynx, the common short-handle cotton swab cannot meet the use requirement due to long distance, and a special long-handle cotton swab must be used. Also, the length of the tube pre-filled with the virus preservation solution may not, and need not, vary with the length of the swab. In actual work, after a cotton swab collects a sample, medical staff is required to cut off a cotton swab handle with scissors, and only a small section of which the front end does not exceed the length of a test tube is reserved and sealed in the test tube. The process of cutting the cotton swab handle not only increases the working difficulty of sample collection, but also increases the time of exposing the sample in the air, and increases the possibility of being polluted by the external environment; in addition, the sharp shaking of the tip of the cotton swab is easily caused by cutting the cotton swab handle by scissors, the test tube is easily knocked over by the sharp shaking or sample particles on the cotton swab are shaken off, and the hidden danger of polluting the surrounding environment and even infecting surrounding workers exists. Finally, the existing pharyngeal swab tool is not provided with a tool for taking out the cotton swab from the test tube, a laboratory worker needs to open the sealing cover of the test tube after taking the sample, the cotton swab is clamped by using tools such as tweezers, the tweezers for clamping the cotton swab are bound to be polluted by the sample, and therefore the tweezers are required to be disinfected once, and the workload of the laboratory is increased.

Disclosure of Invention

To the above-mentioned not enough, the utility model aims at providing a virus sampling pharynx swab saddlebag that need not to cut the swab handle after having scalable swab, adopting alleviates medical personnel and laboratory staff's work load, reduces the risk that the sample received the pollution as far as possible, improves sampling and chemical examination efficiency, alleviates the misery that pharynx swab sampling led to the fact the patient.

The utility model discloses a solve the technical scheme that technical problem adopted as follows:

the utility model relates to a virus sampling pharynx swab kit, which comprises a plastic package bag, a test tube and a swab, wherein the test tube and the swab are packaged in the plastic package bag, preserving fluid is filled in the test tube, a swab head is arranged at the lower end of the swab, a sealing membrane which is easy to tear is arranged on the tube orifice of the test tube, and an external thread is arranged on the outer wall of the test tube; the swab comprises an outer tube with a hollow structure, an inner rod with a columnar structure and inserted into an inner cavity of the outer tube, and an end cover fixedly connected to the upper end of the outer tube, wherein the end cover is provided with an internal thread, and the internal thread is matched with an external thread on the outer wall of a test tube.

The end cover comprises a threaded cover with internal threads and a pipe plug arranged in an inner cavity of the threaded cover, the upper end of the outer pipe penetrates through the pipe plug and the threaded cover, and a positioning clamping groove is formed in the outer pipe on the inner side of the pipe plug; the lower end of the inner rod is provided with a convex ring matched with the positioning clamping groove.

The outer pipe is made of a material with flexibility larger than that of the inner rod; the lower end of the outer tube is closed, and the swab head is a cotton ball or a flocked material wrapped at the closed position of the lower end of the outer tube.

The pipe plug is a circular truncated cone structure with a large upper part and a small lower part, the upper end of the circular truncated cone structure is provided with an annular fin extending outwards, and the outer diameter of the annular fin is matched with the diameter of an inner cavity of the threaded cover.

The threaded cap and the plug are of an integral structure.

The threaded cap and the pipe plug are fixedly bonded together.

The outer tube and the plug are of an integral structure.

The seal membrane is provided with a tearing indentation which is distributed along the tube opening of the test tube in an annular shape, and a tearing handle is connected to the inner side of the tearing indentation.

Due to the adoption of the structure, the virus sampling pharynx swab tool bag comprises the test tube and the swab body, the requirement of the existing pharynx swab sample collection work can be met, the swab body adopts the telescopic structure, the swab handle does not need to be cut off by using scissors after the sample collection is finished, and the defects of workload increase, sample pollution to the surrounding environment and the like caused by cutting off the swab handle can be avoided; the swab body is connected with the sealing cover of the test tube, and a laboratory worker can take out a sample by opening the sealing cover, so that the workload of a laboratory is reduced, and the sample pollution caused by incomplete sterilization of tweezers can be avoided; the relatively soft outer tube can avoid the nasopharyngeal mucosa of the patient from being scratched by the hard swab, and relieve the pain of the patient in the sampling process.

Drawings

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

FIG. 2 is a perspective view of the sealing membrane of the embodiment of FIG. 1.

Fig. 3 is a schematic cross-sectional view of the end cap and outer swab tube.

Fig. 4 is a schematic structural view showing a state where the inner rod is pulled out from the outer tube.

FIG. 5 is a sectional view showing a swab and a test tube in combination.

Detailed Description

As shown in figure 1, a virus sampling pharynx swab saddlebag includes plastic packaging bag 1, encapsulates test tube 2 and swab 3 in plastic packaging bag 1, and plastic packaging bag 1 is in sterile condition with test tube 2 and swab 3 seal packing throughout with storage process in test tube 2 and swab 3. Like a common pharyngeal swab kit, the test tube 2 contains a preservative fluid for temporary culture of a virus sample to ensure the viability of the sample prior to delivery. The swab 3 is provided with a swab head 9 at the lower end, and the swab head 9 can be made of fiber materials such as cotton and the like and can also be made of a velvet material.

Have seal membrane 4 that easily tears on the mouth of pipe of test tube 2, seal membrane 4 adopts ultrasonic bonding or sticky method to connect on the mouth of pipe of test tube 2, will preserve the liquid and seal in test tube 2, even open plastic envelope bag 1 and take out test tube 2, can not cause the preserving liquid to spill and leak yet. The outer wall of the tube 2 is provided with an external thread 5 for resealing the tube 2 after sampling in cooperation with a cap with an internal thread.

As shown in fig. 2, the sealing film 4 is usually made of plastic film, silica gel film, rubber film, etc., a tearing indentation 41 is provided on the sealing film 4, the tearing indentation 41 is a pressed strip-shaped groove, the tearing indentation 41 is distributed along the tube opening of the test tube 2 in a ring shape, and a tearing handle 42 is connected to the inner side of the tearing indentation 41. The tear tab 42 is made of the same material as the sealing film 4 and is integrally connected thereto. Tear during the use after plastic-sealed bag 1, take out test tube 2, hold on the one hand and pinch test tube 2 with the hand, another hand is pinched and is torn handle 42, pull hard and can tear seal membrane 4 along tearing indentation 41, until tearing the inside region of indentation 41 and breaking away from with test tube 2 completely, the mouth of pipe of test tube 2 this moment is open, can put into test tube 2 with the swab after the sample, it can regard as sealed the pad use to remain in the 2 orificial annular seal membrane residuum of test tube, when the upper end cover is sealed up to 2 orificial twisting of test tube, the great seal membrane residuum of elasticity presss from both sides between 2 orificial and end cover inner walls of test tube, by doing benefit to the.

As shown in fig. 1, 3, 4 and 5, the swab 3 includes an outer tube 6 having a hollow structure, an inner rod 7 having a cylindrical structure and inserted into an inner cavity of the outer tube 6, and an end cap 8 fixedly connected to an upper end of the outer tube 6, wherein the end cap 8 has an internal thread 10, and the internal thread 10 matches with the external thread 5 on the outer wall of the test tube 2, so that the end cap 8 can be screwed onto a nozzle of the test tube 2 to close the test tube 2. An inner rod 7 is slidably mounted in the inner cavity of the outer tube 6, forming a swab 3 in a telescopic configuration. As shown in figure 4, after the inner rod 7 is pulled open, the lower end of the inner rod 7 is connected with the upper end of the outer tube 6 to form a longer swab 3, so that the swab head 9 can be conveniently extended into the deep part of the nasopharynx of a patient during sampling; after sampling, as long as the inner rod 7 is completely inserted into the outer tube 6, the length of the whole swab 3 is greatly shortened, and the transfer of samples is facilitated. After the sampling is completed, the outer tube 6 is put into the test tube 2, and the end cover 8 at the upper end of the outer tube 6 can be screwed on the tube opening of the test tube 2 through threads to seal the test tube 2. At this time, the outer tube 6 is always connected to the end cap 8, and the laboratory worker can directly take out the outer tube 6 and the swab head 9 with the test sample attached to the lower end of the outer tube 6 by opening the end cap 8 without using an additional auxiliary tool such as tweezers, thereby achieving higher convenience and safety in operation.

As shown in fig. 3, as a further improvement of the present invention, the end cap 8 includes a threaded cap 81 with internal threads 10, a plug 82 disposed in the inner cavity of the threaded cap 81, the threaded cap 81 is in the shape of a common threaded bottle cap for being screwed to the nozzle of the test tube 2; the plug 82 is a soft rubber pad which is arranged on the inner side of the screw cap 81 and is made of rubber, silica gel, soft plastic and the like. Specifically, the tube plug 82 is a truncated cone structure with a large top and a small bottom, the upper end of the truncated cone structure is provided with an annular fin 83 extending outwards, the outer diameter of the annular fin 83 matches the inner cavity diameter of the threaded cap 81, and the upper end diameter of the truncated cone, that is, the inner diameter of the annular fin 83 matches the inner diameter of the test tube 2. Like this, when end cover 8 was twisted on the mouth of pipe of test tube 2, the round platform body part of stopcock 82 was filled in test tube 2 and is played sealed effect from the inside wall, and annular fin 83 pad on stopcock 82 is between the mouth of pipe of test tube 2 and screw cap 81, plays the sealed effect in follow upper end, and screw cap 81 then plays the sealed effect in follow the outside, and trilateral sealed can effectively guarantee the orificial sealed effect of test tube 2.

As a preferred aspect of the present invention, the screw cap 81 and the pipe plug 82 may be of an integrated structure. That is, the screw cap 81 and the plug 82 are integrally molded using the same material, so that the production cost can be reduced. Of course, the screw cap 81 and the plug 82 may be formed as separate members made of different materials and integrally connected by welding or bonding.

The upper end of the outer tube 6 is fixedly connected with the threaded cap 81 or the plug 82 or both, and the fixed connection mode can be welding, bonding or an integrated structure made of the same materials. The upper end of the outer tube 6 extends through the plug 82 and the screw cap 81 so that the inner rod 7 can be extended through the screw cap 81 to the outside. The outer tube 6 on the inner side of the tube plug 82 is provided with a positioning clamping groove 61, the positioning clamping groove 61 is an annular area with a slightly larger diameter on the inner wall of the outer tube 6, and the section of the positioning clamping groove 61 is semicircular or arc-shaped. The matched convex ring can be clamped when moving to the position, and the positioning function is achieved. The lower extreme of interior pole 7 has the bulge loop 71 that matches positioning groove 61, when interior pole 7 indentation outer tube 6, there is great frictional resistance between bulge loop 71 and the inner wall of positioning groove 61, can prevent that interior pole 7 from coming off because of not hard up accident, nevertheless because the material of outer tube 6 and interior pole 7 all has certain elasticity, pole 7 still can be pulled out or the inner chamber of indentation outer tube 6 in the pulling hard, when pole 7 was pulled out outward, in case bulge loop 71 moves to positioning groove 61 in, the people of pulling can feel the bulge loop 71 and block suddenly in positioning groove 61, prevent that interior pole 7 from breaking away from outer tube 6 completely.

As a further optimization of the present invention, the outer tube 6 is made of a material having a flexibility greater than that of the inner rod 7. The outer tube 6 with larger flexibility is easier to bend and deform during sampling, the nasopharynx mucous membrane of a patient can be prevented from being scratched due to the accident of too large sampling action amplitude, the inner rod 7 is completely inserted into the inner cavity of the outer tube 6 in the process of storage and transportation, the effect of support is achieved, the swab 3 can keep enough rigidity, and the sample on the swab head 9 can be better washed by the preservative solution and diffused into the preservative solution as soon as possible when the test tube 2 is shaken.

In a preferred embodiment of the present invention, as shown in fig. 3 and 4, the lower end of the outer tube 6 is closed, and the swab head 9 is a cotton ball or a flocked material wrapped around the closed lower end of the outer tube 6. The lower end of the outer tube 6 is closed, so that the sealing failure of the test tube 2 caused by the outer tube 6 can be avoided. Of course, the lower end of the outer tube 6 may be of an open structure if the inner rod 7 is fully inserted into the outer tube 6 to maintain a sufficient sealing effect. As shown in fig. 5, in order to maintain a sufficient sealing effect after the inner rod 7 is completely inserted into the outer tube 6, a rubber plug 72 may be disposed at the upper end of the inner rod 7, and after the inner rod 7 is inserted into the outer tube 6, the rubber plug 72 is just plugged into a port at the upper end of the outer tube 6, so as to achieve a good sealing effect.

As shown in fig. 1, in the original state, the test tube 2 and the swab 3 are both enclosed in a plastic envelope 1. In use, the plastic packaging bag 1 is firstly torn, and the test tube 2 and the swab 3 are taken out. At this time, the tube mouth of the test tube 2 is provided with the sealing film 4, and the internal preservation solution can not leak. The test tube 2 is placed once, the swab 3 is taken up, one hand holds the end cover 8, the other hand holds the upper end of the inner rod 7, the inner rod 7 is pulled out until the convex ring 71 at the lower end of the inner rod 7 is clamped into the positioning clamping groove 61 at the upper end of the outer tube 6, the total length of the swab 3 is the longest, and the sampling can be carried out on the nasopharynx of the patient by adopting a conventional method; after the sampling is accomplished, hold the upper end of 8 another hands of end cover and press interior pole 7 in the sampling, press interior pole 7 back to the inner chamber of outer tube 6, tear seal membrane 4 on the 2 mouths of tubes of test tube afterwards, pack into test tube 2 with the lower extreme of swab 3 to can carry out the transportation of sample on the 2 mouths of tubes of test tube with end cover 8 screws up. After receiving the test tube 2 containing the sample, the laboratory worker can directly take out the swab 3 for testing by unscrewing the end cover 8.

Claims

1. The utility model provides a virus sampling pharynx swab saddlebag, includes plastic packaging bag (1), encapsulates test tube (2) and swab (3) in plastic packaging bag (1), the interior preservative fluid that holds of test tube (2), the lower extreme of swab (3) has swab head (9), its characterized in that: the tube mouth of the test tube (2) is provided with a sealing film (4) which is easy to tear, and the outer wall of the test tube (2) is provided with an external thread (5); the swab (3) comprises an outer tube (6) with a hollow structure, an inner rod (7) which is inserted into the inner cavity of the outer tube (6) and has a columnar structure, and an end cover (8) fixedly connected to the upper end of the outer tube (6), wherein an internal thread (10) is arranged on the end cover (8), and the internal thread (10) is matched with an external thread (5) on the outer wall of the test tube (2).

2. A virus sampling pharyngeal swab kit according to claim 1, wherein: the end cover (8) comprises a threaded cover (81) with internal threads (10) and a pipe plug (82) arranged in the inner cavity of the threaded cover (81), the upper end of the outer pipe (6) penetrates through the pipe plug (82) and the threaded cover (81), and a positioning clamping groove (61) is formed in the outer pipe (6) on the inner side of the pipe plug (82); the lower end of the inner rod (7) is provided with a convex ring (71) matched with the positioning clamping groove (61).

3. A virus sampling pharyngeal swab kit according to claim 1 or 2, characterised in that: the outer pipe (6) is made of a material with flexibility larger than that of the inner rod (7); the lower end of the outer tube (6) is closed, and the swab head (9) is a cotton ball or flocking material wrapped at the closed position of the lower end of the outer tube (6).

4. A virus sampling pharyngeal swab kit according to claim 2, wherein: the pipe plug (82) is of a circular truncated cone structure with a large upper part and a small lower part, the upper end of the circular truncated cone structure is provided with an annular fin (83) extending outwards, and the outer diameter of the annular fin is matched with the diameter of an inner cavity of the threaded cover (81).

5. A virus sampling pharyngeal swab kit according to claim 2, wherein: the threaded cap (81) and the pipe plug (82) are of an integral structure.

6. A virus sampling pharyngeal swab kit according to claim 2, wherein: the threaded cover (81) and the pipe plug (82) are fixedly bonded together.

7. A virus sampling pharyngeal swab kit according to claim 2, wherein: the outer tube (6) and the plug (82) are of an integral construction.

8. A virus sampling pharyngeal swab kit according to claim 1 or 2, characterised in that: the sealing film (4) is provided with tearing indentations (41), the tearing indentations (41) are distributed along the tube opening of the test tube (2) in a ring shape, and the inner sides of the tearing indentations (41) are connected with tearing handles (42).