CN114522752B

CN114522752B - Test tube rack for nucleic acid detection and sample collection

Info

Publication number: CN114522752B
Application number: CN202210158113.9A
Authority: CN
Inventors: 徐亮
Original assignee: First Affiliated Hospital of Nanchang University
Current assignee: First Affiliated Hospital of Nanchang University
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2023-05-12
Anticipated expiration: 2042-02-21
Also published as: CN114522752A

Abstract

The invention discloses a test tube rack for nucleic acid detection and sample collection, which comprises: the device comprises a first frame body, a second frame body, a first shearing table and a plurality of shearing mechanisms, wherein a plurality of test tube grooves are formed in the first frame body, and a clamping groove is formed in the top of the first frame body; the second frame bodies are arranged on the first frame bodies through the clamping grooves, and a plurality of second frame bodies are arranged on each first frame body; a first shearing table is arranged at the position of each second frame body, which is positioned in the test tube groove; the shearing mechanism slides and sets up on first shearing bench, and every shearing mechanism includes: the invention has the advantages of high sampling efficiency and lower risk of accidents.

Description

Test tube rack for nucleic acid detection and sample collection

Technical Field

The invention relates to the technical field of detection, in particular to a test tube rack for collecting samples in nucleic acid detection.

Background

The nucleic acid detection is to find out whether the respiratory tract specimen, blood or feces of a patient have foreign invasion of virus nucleic acid to determine whether the patient is infected by a new coronavirus, and the current detection of the new coronavirus nucleic acid is mostly detected by adopting a throat swab mode.

Because most of the current medical staff participating in nucleic acid sampling are female, when the cotton swab is broken, the cotton swab is laborious, sometimes is folded once and is folded again, the cotton swab can be broken only by twisting, when the cotton swab is twisted and broken, the glove is easily broken at the broken position, so that the infection probability is increased, and the potential safety hazard exists.

Disclosure of Invention

The invention aims to provide a test tube rack for collecting samples in nucleic acid detection, so as to solve the problem that the existing sampling test tube rack is inconvenient to break a cotton swab.

The technical scheme of the invention is as follows:

a test tube rack for nucleic acid detection collection samples, comprising: the first frame body is provided with a plurality of test tube grooves, and the top of the first frame body is provided with a clamping groove; the second frame bodies are arranged on the first frame bodies through the clamping grooves, and a plurality of second frame bodies are arranged on each first frame body; the first shearing tables are arranged at the positions of the test tube grooves of each second frame body and used for placing cotton swabs; a plurality of shearing mechanisms, every all set up a plurality of shearing mechanisms on the first shearing platform, every shearing mechanism includes: the second sliding plate sliding on the first shearing table, the brackets arranged on the two ends of the second sliding plate, the cam arranged above the second sliding plate and erected between the brackets, the second spring with one end arranged on the second sliding plate, the first sliding plate arranged on the other end of the second spring and the blade arranged at the bottom of the first sliding plate.

Further, a turntable is arranged at one end of the cam shaft of the cam, the section of the second frame body is trapezoid, and the first shearing table is arranged on the inclined plane of the second frame body.

Further, the second frames are connected and synchronized through connecting rods.

Further, the device also comprises a telescopic rod, one end of which is arranged on the bottom surface of the first sliding plate, and the other end of which is arranged on the first shearing table in a sliding way; and the first spring is arranged between the side surface of the telescopic rod and one end of the first shearing table and is used for resetting the shearing mechanism.

Further, the first shearing station includes: the cotton swab groove is formed on the axis of the first shearing table; the blade groove is communicated with the cotton swab groove and used for the blade to pass through; the limiting block is arranged at one end of the cotton swab groove far away from the test tube groove, and a through hole is formed in one side face of the cotton swab groove, and is used for fixing the cotton swab.

Further, the method further comprises the following steps: the second shearing table is arranged at one end of the cotton swab groove, which is far away from the limiting block, protrudes from the cotton swab groove, and is also provided with the cotton swab groove; the collecting hole is formed in the side surface of the second shearing table opposite to the limiting block, and the aperture of the collecting hole is larger than the rod diameter of the cotton swab; and the collecting groove is arranged on the first frame body and is communicated with the collecting hole.

Further, a plurality of blades are arranged on the bottom surface of the first sliding plate, a plurality of blade grooves are formed in the cotton swab groove on the first shearing table, and the position of each blade corresponds to the position of each blade groove.

Further, the device also comprises a compression block, wherein the compression block is arranged at the front end of the first sliding plate and is positioned above the second shearing table, and the compression block is connected with the first sliding plate through a third spring.

Further, the method further comprises the following steps: the sterilizing box is arranged on the second frame body, and a sterilizing plate of the sterilizing box is communicated to each cotton swab groove.

Further, the sterilizing box is externally connected with the pump body to work.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the first shearing table and the shearing mechanism are arranged to shear the cotton swabs, so that the probability of glove breakage at the broken position due to the breakage of the cotton swab rod body is reduced, the sampling efficiency is improved in a cutting mode, the time and effort consumed by breakage are reduced, and the working difficulty and pressure of sampling personnel are reduced.

2. According to the invention, the second shearing table is matched with the shearing mechanism, so that the cut rod body enters the collecting tank through the collecting hole, and the cut rod body is directly treated, so that the sampling efficiency is further improved.

3. According to the invention, the first frame body and the second frame body are arranged separately, the second frame body is fixed through the clamping groove, and when the novel frame is used and transported, the first frame body is replaced, namely, the second frame body is disassembled onto the other first frame body, so that the cost is reduced.

4. According to the invention, the disinfection box is arranged to disinfect and sterilize in time, so that the detection result of the detection sample is prevented from being wrong.

Drawings

FIG. 1 is a schematic top view of a first frame of the present invention;

FIG. 2 is a schematic top view of the first and second frames of the present invention;

FIG. 3 is an enlarged view of the schematic view of the area A in FIG. 2;

FIG. 4 is a schematic view showing the structure of the shearing mechanism and the test tube tank in example 1 of the present invention;

FIG. 5 is a schematic view showing the structure of a shearing mechanism and a test tube tank in example 2 of the present invention;

FIG. 6 is an enlarged view of the schematic view of the area B in FIG. 5;

fig. 7 is a structural relationship diagram between a first shear stage and a second shear stage.

Wherein, 1, a first frame body, 11, a test tube groove, 12, a collecting groove, 13, a clamping groove, 2, a second frame body, 21, a connecting rod, 3, a shearing mechanism, 31, a first sliding plate, 311, a second sliding plate, 32, a bracket, 33, a cam, 331, a cam shaft, 34, a turntable, 35, a first spring, 36, blades, 37, second springs, 38, telescopic rods, 4, a first shearing table, 41, a cotton swab groove, 42, a blade groove, 43, a limiting block, 5, a compression block, 51, a third spring, 6, a sterilizing box, 61, a sterilizing plate, 7, a second shearing table, 71, a collecting hole, 8 and a cotton swab.

Detailed Description

The following describes in detail the embodiments of the present invention with reference to fig. 1 to 7. In the description of the present invention, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second" may include one or more such features, either explicitly or implicitly; in the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

It should be noted that, the circuit connection related in the present invention adopts a conventional circuit connection manner, and no innovation is related.

Example 1:

as shown in fig. 1 to 4, a test tube rack for nucleic acid detection collection samples, comprising: the device comprises a first frame body 1, a second frame body 2, a first shearing table 4 and a plurality of shearing mechanisms 3, wherein a plurality of test tube grooves 11 are formed in the first frame body 1, the plurality of test tube grooves 11 are arranged in a rectangular array, and a clamping groove 13 is formed in the top of the first frame body 1; the second frames 2 are disposed on the first frames 1 through the engaging grooves 13, that is, the second frames 2 are detachable, as shown in fig. 2, a plurality of second frames 2 are disposed on each of the first frames 1; a first shearing table 4 is arranged at the position of each second frame body 2, which is positioned in the test tube groove 11, and is used for placing the cotton swabs 8, and the cotton swab heads of the cotton swabs 8 face the direction of the test tube groove 11; each of the first shearing tables 4 is provided with a plurality of shearing mechanisms 3, the shearing mechanisms 3 are slidably disposed on the first shearing tables 4, as shown in fig. 4, the shearing mechanisms 3 are slid rightward, the cotton swabs 8 are placed on the first shearing tables 4, the shearing mechanisms 3 are reset, and each of the shearing mechanisms 3 includes: the second slide plate 311 sliding on the first shearing table 4, brackets 32 arranged on both ends of the second slide plate 311, a cam 33 arranged between the brackets 32 above the second slide plate 311, a second spring 37 with one end arranged on the second slide plate 311, a first slide plate 31 arranged on the other end of the second spring 37, and a blade 36 arranged at the bottom of the first slide plate 31.

When the cotton swab cutter is used, the shearing mechanism 3 is slid rightward, the cotton swab 8 is placed on the first shearing table 4, the shearing mechanism 3 is reset, the cam 33 is rotated, the first sliding plate 31 is made to squeeze the second spring 37, the blade 36 is made to cut off the cotton swab 8 on the first shearing table 4, and the cotton swab head is placed in a test tube.

Preferably, in order to improve the convenience of use, a turntable 34 is disposed at one end of the cam shaft 331 of the cam 33, the section of the second frame 2 is trapezoidal, and the first shearing table 4 is disposed on the inclined surface of the second frame 2.

Preferably, in order to facilitate the overall disassembly of the second frames 2, a plurality of the second frames 2 are connected and synchronized by a connecting rod 21.

Preferably, in order to facilitate resetting of the shearing mechanism 3, the device further comprises a telescopic rod 38 and a first spring 35, wherein one end of the telescopic rod 38 is arranged on the bottom surface of the first sliding plate 31, and the other end of the telescopic rod is arranged on the first shearing table 4 in a sliding manner; a first spring 35 is arranged between the side of the telescopic rod 38 and one end of the first shearing station 4 for resetting the shearing mechanism 3.

Preferably, in order to improve the fixing effect of the first shearing station 4 on the cotton swab 8, the first shearing station 4 includes: the cotton swab groove 41, the blade groove 42 and the limiting block 43 are arranged on the axis of the first shearing table 4, and the cotton swab groove 41 is formed in the axis of the first shearing table; a blade slot 42 communicates with the swab slot 41 for the blade 36 to pass through; the limiting block 43 is disposed at one end of the swab slot 41 away from the test tube slot 11, and a through hole is formed on a side surface of the swab slot 11, for fixing the swab 8.

Example 2:

as shown in fig. 5 to 7, embodiment 2 is different from embodiment 1 in that:

in embodiment 1, although the swab 8 can be rapidly cut off, the subsequent manual handling of the swab shaft is required, which affects the sampling efficiency, and a test tube rack for nucleic acid detection and sample collection according to embodiment 2 is directed to the disadvantage of embodiment 1, and further includes: the second shearing table 7, the collecting hole 71 and the collecting groove 12 are shown in fig. 7, the second shearing table 7 is arranged at one end of the cotton swab groove 41 far away from the limiting block 43 and protrudes from the cotton swab groove 41, and the cotton swab groove 4 is also arranged on the second shearing table 7; the collecting hole 71 is arranged on the side surface of the second shearing table 7 opposite to the limiting block 43, and the aperture of the collecting hole 71 is larger than the rod diameter of the cotton swab 8; the collecting tank 12 is provided on the first frame 1 and communicates with the collecting hole 71.

One end of the cotton swab 8 is positioned on the second shearing table 7, and the cut cotton swab rod passes through the collecting hole 71 and enters the collecting groove 12 along the cotton swab groove 41.

Preferably, in order to further process the swab shaft, the plurality of blades 36 are provided on the bottom surface of the first slide plate 31, the plurality of blade grooves 42 are provided on the swab groove 41 of the first shearing table 4, and the swab shaft is cut into a plurality of pieces by the plurality of blades 36 in correspondence with the positions of the respective blade grooves 42, because the swab shaft is prevented from being excessively long and caught in the position of the collecting hole 71.

Preferably, in order to prevent the cotton swab 8 from being lifted up when cutting the cotton swab 8 on the second cutting table 7, a pressing block 5 is further provided, and the pressing block 5 is disposed at the front end of the first sliding plate 31 and above the second cutting table 7, and is connected to the first sliding plate 31 by a third spring 51.

Preferably, for the sterilization treatment of the blade 36 and the swab slot 41, it further comprises: a sterilizing box 6 is arranged on the second frame body 2, and a sterilizing plate 61 of the sterilizing box 6 is communicated with each cotton swab groove 41.

Specifically, the disinfection box 6 is externally connected with a pump body to work.

The foregoing disclosure is only illustrative of the preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any variations within the scope of the present invention will be apparent to those skilled in the art.

Claims

1. A test tube rack for nucleic acid detection collection samples, comprising:

a plurality of test tube grooves (11) are formed in the first frame body (1), and a clamping groove (13) is formed in the top of the first frame body;

the second frame bodies (2) are arranged on the first frame bodies (1) through the clamping grooves (13), and a plurality of second frame bodies (2) are arranged on each first frame body (1);

the first shearing tables (4) are arranged at the positions of the test tube grooves (11) of each second frame body (2) and are used for placing cotton swabs (8);

a plurality of shearing mechanism (3), every all set up a plurality of shearing mechanism (3) on the first shearing platform (4), every shearing mechanism (3) include: the cutting device comprises a second sliding plate (311) sliding on a first cutting table (4), brackets (32) arranged on two ends of the second sliding plate (311), a cam (33) arranged above the second sliding plate (311) and erected between the brackets (32), a second spring (37) with one end arranged on the second sliding plate (311), a first sliding plate (31) arranged on the other end of the second spring (37) and a blade (36) arranged at the bottom of the first sliding plate (31).

2. The test tube rack for nucleic acid detection and sample collection according to claim 1, wherein a turntable (34) is arranged at one end of a cam shaft (331) of the cam (33), the cross section of the second rack body (2) is trapezoid, and the first shearing table (4) is arranged on the inclined plane of the second rack body (2).

3. The rack for nucleic acid detection and sample collection according to claim 1, wherein a plurality of the second racks (2) are connected to each other by a connecting rod (21).

4. The rack for collecting samples for nucleic acid detection as claimed in claim 1, further comprising

A telescopic rod (38) with one end arranged on the bottom surface of the first sliding plate (31) and the other end arranged on the first shearing table (4) in a sliding manner;

and a first spring (35) arranged between the side surface of the telescopic rod (38) and one end of the first shearing table (4) and used for resetting the shearing mechanism (3).

5. The rack for sample collection for nucleic acid detection according to claim 4, wherein the first shearing station (4) comprises:

a cotton swab groove (41) which is arranged on the axis of the first shearing table (4);

a blade slot (42) in communication with the swab slot (41) for the blade (36) to pass through;

the limiting block (43) is arranged at one end, far away from the test tube groove (11), of the cotton swab groove (41), and a through hole is formed in one side face of the cotton swab groove (11) for fixing the cotton swab (8).

6. The rack for nucleic acid testing collection samples of claim 5, further comprising:

the second shearing table (7) is arranged at one end, far away from the limiting block (43), of the cotton swab groove (41) and protrudes from the cotton swab groove (41), and the cotton swab groove (41) is also formed in the second shearing table (7);

a collecting hole (71) which is formed on the side surface of the second shearing table (7) opposite to the limiting block (43), wherein the aperture of the collecting hole (71) is larger than the rod diameter of the cotton swab (8);

and a collecting tank (12) which is arranged on the first frame body (1) and is communicated with the collecting hole (71).

7. The rack for collecting samples for nucleic acid detection according to claim 6, wherein a plurality of blades (36) are provided on the bottom surface of the first slide plate (31), and a plurality of blade grooves (42) are provided on the swab groove (41) of the first shearing table (4), and the position of each blade (36) corresponds to the position of each blade groove (42).

8. The rack for nucleic acid detection and sample collection according to claim 7, further comprising a compression block (5) disposed at a front end of the first slide plate (31) above the second shearing table (7), wherein the compression block (5) is connected to the first slide plate (31) through a third spring (51).

9. The rack for nucleic acid testing collection samples of claim 1, further comprising: and the sterilizing box (6) is arranged on the second frame body (2), and a sterilizing plate (61) of the sterilizing box (6) is communicated into each cotton swab groove (41).

10. Test tube rack for nucleic acid detection collection samples according to claim 9, characterized in that the sterilization chamber (6) works externally to the pump body.