Nucleic acid sampling tube with auxiliary breaking and automatic puncturing functions

Abstract

The utility model discloses a nucleic acid sampling tube with auxiliary breaking and automatic puncturing functions, which comprises a collecting tube, the upper end of the collecting tube is connected with a spiral connector, and a breaking ring sleeve is fixedly mounted at the joint of the collecting tube and the inner side of the spiral connector. A breaking bayonet is formed in the position, located above the breaking circular ring cylinder sleeve, of the edge of an upper end opening of the spiral connector, and a cover body structure is installed on a spiral cover of the spiral connector. According to the nucleic acid sampling tube with the auxiliary breaking function and the automatic puncturing function, the breaking bayonet is arranged on the edge of the spiral connector of the nucleic acid sampling tube to prompt the position of the breaking ring cylinder sleeve on the lower portion, the breaking ring cylinder sleeve is used for conveniently breaking a cotton swab rod, and the broken swab automatically falls into liquid stored at the bottom of the collecting tube; therefore, inconvenience and possible sample pollution caused by manual breaking are avoided; the packaging film is automatically punctured through the suction head for sampling, so that the operation steps of medical personnel, the cross contamination risk of samples and the biological safety risk of the medical personnel can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical examination technical field especially with the nucleic acid sampling tube of auxiliary broken automatic puncture. BACKGROUND

[0002] Compared with the traditional detection method, nucleic acid detection has higher specificity and sensitivity, and becomes an important means to judge whether the patient has a disease. Nucleic acid sampling usually uses swab and sampling tube to cooperate, after the swab dips the sample, needs to break in the sampling tube. This operation seems simple, but actually needs certain skill and strength in the actual operation, sometimes time-consuming and laborious and not easy to break. In addition, the existing nucleic acid sampling tube often needs to be manually opened to add sample to the extraction plate and then to the machine during laboratory sample detection, which is time-consuming and laborious and is easy to cause cross contamination, and significantly increases the biological safety risk during manual opening and sampling operation, therefore, we propose a nucleic acid sampling tube with auxiliary broken automatic puncture. SUMMARY

[0003] The main purpose of the utility model is to provide a nucleic acid sampling tube with auxiliary broken automatic puncture, which can effectively solve the problems in the background art.

[0004] To achieve the above purpose, the technical scheme adopted by the utility model is:

[0005] A nucleic acid sampling tube with auxiliary broken automatic puncture, comprising a collection tube, the upper end of the collection tube is connected with a spiral interface, a broken ring cylinder sleeve is fixedly installed at the connection between the collection tube and the inner side of the spiral interface, a broken mortise is formed at the upper end of the spiral interface above the position of the broken ring cylinder sleeve, and a cover structure is installed on the spiral cover.

[0006] Preferably, a sealing edge ring is fixedly installed at the connection between the outer surface of the collection tube and the spiral interface, and a sealing rubber ring is fixedly installed on the upper surface of the sealing edge ring.

[0007] Preferably, the cover structure comprises an outer cover, a mounting groove, a sampling hole, an encapsulating film, a clamping groove, a flexible connecting piece, a protective cover, a fixed clasp and a push piece.

[0008] Preferably, a mounting groove is formed on the upper surface of the outer cover, a sampling hole is formed in the middle of the lower surface of the mounting groove, an encapsulating film is fixedly installed in the mounting groove, a clamping groove is fixedly installed on the arc surface of the outer cover close to the upper end position, the outer cover is movably connected with the protective cover through the flexible connecting piece, a fixed clasp is fixedly installed on the arc surface of the protective cover, and a push piece is fixedly installed on the front surface of the fixed clasp.

[0009] Preferably, the packaging film seals the upper end of the sampling hole, the fixing clasp is arranged in the clasp slot, and the protective cover is fixed on the upper surface of the outer cover through the clasp in the clasp slot.

[0010] Preferably, the cover structure is screw-connected with the screw interface through the screw thread arranged on the inner side of the outer cover.

[0011] Compared with the prior art, the nucleic acid sampling tube has the following beneficial effects:

[0012] In the nucleic acid sampling tube, the broken clasp opening is arranged at the edge of the screw interface to indicate the position of the lower broken annular sleeve, the broken annular sleeve is used for conveniently breaking the cotton swab rod, and after being broken, the swab is automatically detached into the collecting tube and saved in the liquid, so that the inconvenience and possible sample pollution during manual breaking are avoided; the sampling is automatically performed through the suction head penetrating the packaging film, and the operation steps of medical staff, the risk of sample cross contamination and the biological safety risk of medical staff can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is an overall structure schematic diagram of the nucleic acid sampling tube with the auxiliary broken and automatic puncture function.

[0014] Fig. 2 It is a cross-sectional display diagram of the nucleic acid sampling tube with the auxiliary broken and automatic puncture function.

[0015] Fig. 3 It is an enlarged display diagram of the cover structure of the nucleic acid sampling tube with the auxiliary broken and automatic puncture function.

[0016] In the drawings: 1, collecting tube; 2, screw interface; 21, broken clasp opening; 22, sealing edge ring; 3, broken annular sleeve; 4, cover structure; 41, outer cover; 42, mounting slot; 43, sampling hole; 44, packaging film; 45, clasp slot; 46, flexible connecting piece; 47, protective cover; 48, fixing clasp; 49, push piece. DETAILED DESCRIPTION

[0017] In order to make the technical means, creative features, purposes and effects of the nucleic acid sampling tube easy to understand, the following further describes the nucleic acid sampling tube in combination with specific embodiments.

[0018] For example, Figs. 1-3As shown, an automatic puncture nucleic acid sampling tube with auxiliary breaking includes a collection tube 1, the upper end of the collection tube 1 is connected with a spiral interface 2, a breaking ring sleeve 3 is fixedly installed at the joint of the inside of the collection tube 1 and the spiral interface 2, the inner diameter of the breaking ring sleeve 3 is 1.5 mm larger than the maximum outer diameter of the sampling head of the swab, so that the sampling head can automatically fall into the collection tube 1 after breaking, a breaking slot 21 is formed at the upper edge of the upper end of the spiral interface 2 and is located above the breaking ring sleeve 3, and a cover structure 4 is installed on the spiral cover of the spiral interface 2.

[0019] An edge sealing ring 22 is fixedly installed at the joint of the outer surfaces of the collection tube 1 and the spiral interface 2, and a sealing rubber ring is fixedly installed on the upper surface of the edge sealing ring 22; the cover structure 4 comprises an outer cover 41, a mounting groove 42, a sampling hole 43, an encapsulating film 44, a clamping groove 45, a flexible connecting piece 46, a protective cover 47, a fixed clamping 48 and a push piece 49; the upper surface of the outer cover 41 is provided with the mounting groove 42, the lower surface of the mounting groove 42 is provided with the sampling hole 43 in the middle, the encapsulating film 44 is embedded and fixedly installed in the mounting groove 42, the clamping groove 45 is fixedly installed on the arc surface of the outer cover 41 close to the upper end, the outer cover 41 is movably connected with the protective cover 47 through the flexible connecting piece 46, the arc surface of the protective cover 47 is fixedly installed with the fixed clamping 48, and the front surface of the fixed clamping 48 is fixedly installed with the push piece 49, wherein the protective cover 47 is used for protecting the encapsulating film 44, avoiding being pierced by the outside world during movement or transportation, and the fixed clamping 48 can be clamped into the clamping groove 45, the protective cover 47 is fixed by cooperating with the flexible connecting piece 46, when it is needed to be opened, the push piece 49 is pushed to make the fixed clamping 48 separate from the clamping groove 45, so that the protective cover 47 is opened; the encapsulating film 44 blocks the upper end of the sampling hole 43, the fixed clamping 48 is matched with the clamping groove 45, and the protective cover 47 is clamped in the clamping groove 45 through the fixed clamping 48 and is fixedly installed on the upper surface of the outer cover 41; the cover structure 4 is screw-connected with the spiral interface 2 through the spiral thread arranged on the inside of the outer cover 41.

[0020] It should be noted that the utility model is an automatic puncture nucleic acid sampling tube with auxiliary breaking, when in use, after the sampling swab collects the nucleic acid sample of the human body, the sampling end of the swab is inserted into the breaking ring sleeve 3 through the upper end of the spiral interface 2, then the swab is broken at the breaking slot 21, the sampling cotton head of the swab falls into the solution in the collection tube 1 after breaking, so that the sample is fully dissolved in the preservative, the collection of the sample is completed, then the outer cover 41 is installed on the spiral interface 2 for encapsulation, when detecting, the staff can directly put it into the automatic nucleic acid workstation after turning open the protective cover 47 through the push piece 49, the sample suction head directly pierces the encapsulating film 44 to suck the sample when the instrument is sampling, so that the automatic puncture can reduce the operation steps of the medical staff, the risk of sample cross contamination and the biological safety risk of the medical staff.

[0021] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A nucleic acid sampling tube with an auxiliary break-off mechanism for automatic puncture, characterized in that: It includes a collection tube (1), the upper end of which is connected to a spiral interface (2). A broken ring sleeve (3) is fixedly installed at the connection between the collection tube (1) and the spiral interface (2). A broken slot (21) is provided at the upper port edge of the spiral interface (2) above the broken ring sleeve (3). The spiral interface (2) is spirally covered with a cover structure (4).

2. The nucleic acid sampling tube with auxiliary breakage and automatic puncture capability according to claim 1, characterized in that: A sealing ring (22) is fixedly installed at the connection between the outer surfaces of the collecting tube (1) and the spiral interface (2), and a sealing rubber ring is fixedly installed on the upper surface of the sealing ring (22).

3. A nucleic acid sampling tube with auxiliary breakage and automatic puncture capability according to claim 2, characterized in that: The cover structure (4) includes an outer cover (41), a mounting groove (42), a sampling hole (43), a sealing film (44), a card slot (45), a flexible connecting piece (46), a protective cover (47), a fixing card (48), and a paddle (49).

4. A nucleic acid sampling tube with auxiliary breakage and automatic puncture capability according to claim 3, characterized in that: The upper surface of the outer cover (41) is provided with an installation groove (42), and the lower surface of the installation groove (42) is provided with a sampling hole (43). An encapsulation film (44) is embedded and fixedly installed in the installation groove (42). A card slot (45) is fixedly installed on the arc surface of the outer cover (41) near the upper end. The outer cover (41) is movably connected to the protective cover (47) through a flexible connecting piece (46). A fixing clip (48) is fixedly installed on the arc surface of the protective cover (47). A paddle (49) is fixedly installed on the front surface of the fixing clip (48).

5. A nucleic acid sampling tube with auxiliary breakage and automatic puncture capability according to claim 4, characterized in that: The encapsulation film (44) seals the upper end of the sampling hole (43), the fixing card (48) is matched with the card slot (45), and the protective cover (47) is fixedly mounted on the upper surface of the outer cover (41) by the fixing card (48) in the card slot (45).

6. A nucleic acid sampling tube with auxiliary breakage and automatic puncture capability according to claim 5, characterized in that: The cover structure (4) is spirally connected to the spiral interface (2) through the spiral pattern provided on the inner side of the outer cover (41).

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