Disposable reagent adding pipe

Abstract

The utility model belongs to the field of high-risk human papilloma virus detection, in particular relates to a disposable reagent feeding tube, and aims to solve the problems that when the conventional disposable reagent feeding tube is used, the dosage cannot be well controlled, so that the reagent quantities in multiple inspection processes are different, part of needle tubes with quantitative functions are higher in cost. According to the technical scheme, the reagent adding pipe comprises a reagent measuring cup and a reagent adding pipe body, the reagent adding pipe body and the reagent measuring cup are used in a matched mode, a piston block is connected into the reagent adding pipe body in a sliding mode, a piston rod is fixedly connected to the top of the piston block, and a second protruding plate is fixedly connected to the top of the piston rod. The second protruding plate is pulled to drive the piston rod and the piston block to move upwards, the reagent in the reagent measuring cup can be quantitatively extracted, the disposable design is adopted, cleaning and disinfection are not needed, the workload and cost are reduced, the reagent amount can be accurately controlled, the operation process is simplified, and therefore the detection efficiency can be greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to high risk type human papilloma virus detection technical field especially relates to a disposable reagent feeding pipe. BACKGROUND

[0002] Human papilloma virus (HPV) is the main pathogenic factor of cervical cancer. At least 150 kinds of HPV are known, of which at least 40 can be transmitted through sexual contact and anogenital area infection. The method used in HPV detection technology is Invader chemical method. It is a signal amplification method for detecting specific nucleic acid sequences.

[0003] In the detection process of such viruses, the reagent required for quantitative testing of the sample is taken out by calculation, and then batch-by-batch titration test is carried out, so that the reagent needs to be tested in multiple times. However, the existing disposable reagent feeding pipe cannot well control the amount of reagent in use, resulting in different amounts of reagent in multiple test processes. Some needle tubes with quantitative function have high cost and are inconvenient to use. UTILITY MODEL CONTENT

[0004] The utility model discloses a disposable reagent feeding pipe to solve the problem that the existing disposable reagent feeding pipe cannot well control the amount of reagent in use, resulting in different amounts of reagent in multiple test processes.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A disposable reagent feeding pipe, comprising a reagent amount cup and a feeding pipe body, the feeding pipe body is used in cooperation with the reagent amount cup, a piston block is slidably connected in the feeding pipe body, a piston rod is fixedly connected to the top of the piston block, a second lug plate is fixedly connected to the top of the piston rod, an outer cylinder is clamped to the outer wall of the feeding pipe body, a strip-shaped groove is formed in one side of the outer wall of the outer cylinder, and a control assembly for controlling the moving distance of the second lug plate is arranged in the strip-shaped groove.

[0007] A rotating ring is rotatably arranged on the outer wall of the outer cylinder, a first notch is formed in the rotating ring, a first lug plate is fixedly arranged on the top of the outer cylinder, and a brake assembly for braking the rotating ring is arranged on one side of the first lug plate.

[0008] In a possible design, the control assembly comprises a strip-shaped plate slidably connected in the strip-shaped groove, a rectangular plate is fixedly connected to one end of the strip-shaped plate, a plurality of arc-shaped holes are formed in the strip-shaped plate, and the rotating ring is clamped with the arc-shaped holes.

[0009] In a possible design, the brake assembly includes a fixed block fixedly connected to one side of the first protruding plate, a limiting block slidingly connected to the side of the first protruding plate, a poking block fixedly connected to one side of the limiting block, and two springs fixedly connected between the top of the limiting block and the bottom of the fixed block.

[0010] In a possible design, the outer wall of the outer cylinder is fixedly sleeved with a fixed ring, the inside of the fixed ring is provided with a second notch, and the rotating ring is located at the top of the fixed ring.

[0011] In a possible design, the inside of the material adding pipe body is fixedly connected with a limiting ring, the inside of the limiting ring is provided with a plurality of vertical holes, the outer wall of the piston rod is fixedly connected with a plurality of vertical plates, and the vertical plates are used in cooperation with the vertical holes.

[0012] In a possible design, one side of the strip-shaped plate is provided with a plurality of scale lines.

[0013] In the application, during use, the reagent liquid remains in the inside of the reagent measuring cup, the reagent in the inside of the reagent measuring cup is extracted multiple times through the material adding pipe body and is added to different test papers for detection, the second protruding plate is pulled to drive the piston rod and the piston block to move upward, at this time, the reagent enters the inside of the material adding pipe body, and when the top of the second protruding plate abuts against the bottom of the rectangular plate, the second protruding plate cannot move upward, the extraction of the reagent is completed, the effect of quantitative extraction is realized, and the subsequent detection effect is ensured.

[0014] When it is necessary to adjust the position of the rectangular plate, the poking block can be first moved upward to drive the limiting block to move upward, the limiting block extrudes the spring and moves out of the inside of the first notch, at this time, the brake of the rotating ring is released, the rotating ring can be rotated, the rotating ring moves out of the inside of the arc-shaped hole, the first notch is aligned with the strip-shaped groove, and the brake state of the strip-shaped plate is released.

[0015] At this time, the position of the strip-shaped plate can be adjusted, the position of the rectangular plate can be adjusted according to the indication of the scale line, the amount of liquid extracted by the second protruding plate can be changed, the total reagent liquid can be divided into multiple parts, after extraction is completed, the outer cylinder and the strip-shaped plate can be pulled out as a whole and are clamped outside a new material adding pipe body, convenient for next use, and the cost can be greatly reduced.

[0016] Beneficial effects: the reagent in the inside of the reagent measuring cup can be quantitatively extracted by pulling the second protruding plate to drive the piston rod and the piston block to move upward. Since the movement distance of the second protruding plate is limited by the control assembly, the amount of reagent extracted each time can be accurately controlled, and the accuracy of subsequent detection is ensured.

[0017] The strip-shaped plate and the rectangular plate in the control assembly can be adjusted in position as needed, so as to change the liquid extraction amount of the second convex plate. This design enables the application to flexibly adapt to different reagent dispensing requirements, and improves the flexibility and applicability of reagent dispensing.

[0018] The application adopts a disposable design, without the need for cleaning and disinfection, greatly simplifying the operation process and reducing the workload and cost. At the same time, the material adding pipe body and the outer cylinder and other components can be conveniently replaced and reused, further reducing the cost.

[0019] The application has a compact and light structure, and is easy to carry and use. Whether in a laboratory or a medical detection site, reagent dispensing and adding can be conveniently performed.

[0020] Since the application can accurately control the reagent amount and simplify the operation process, the detection efficiency can be greatly improved. This is particularly important for experimental or detection tasks that require a large amount of reagent dispensing and adding. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 A three-dimensional structure schematic diagram of a disposable reagent material adding pipe is provided for the application;

[0022] Fig. 2 A three-dimensional structure schematic diagram of a disposable reagent material adding pipe from a second perspective is provided for the application;

[0023] Fig. 3 A three-dimensional structure schematic diagram of an outer cylinder in a disposable reagent material adding pipe is provided for the application;

[0024] Fig. 4 An exploded view of a disposable reagent material adding pipe is provided for the application;

[0025] Fig. 5 A three-dimensional structure schematic diagram of a limiting plate and an outer cylinder in a disposable reagent material adding pipe is provided for the application;

[0026] Fig. 6 An exploded view of an outer cylinder and a fixing ring in a disposable reagent material adding pipe is provided for the application.

[0027] In the figure: 1, reagent amount cup; 2, outer cylinder; 3, first convex plate; 4, strip-shaped plate; 5, scale line; 6, rectangular plate; 7, second convex plate; 8, material adding pipe body; 9, limiting ring; 10, piston rod; 11, piston block; 12, fixing block; 13, spring; 14, limiting block; 15, pushing block; 16, fixing ring; 17, rotating ring; 18, first notch; 19, second notch; 20, arc-shaped hole; 21, strip-shaped groove; 22, vertical hole; 23, vertical plate. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application.

[0029] Embodiment 1

[0030] With reference to Figs. 1-6 A reagent adding pipe, comprising: a reagent measuring cup 1 and a reagent adding pipe body 8, the reagent adding pipe body 8 is used in cooperation with the reagent measuring cup 1, a piston block 11 is slidably connected inside the reagent adding pipe body 8, a piston rod 10 is fixedly connected to the top of the piston block 11, a second protruding plate 7 is fixedly connected to the top of the piston rod 10, an outer cylinder 2 is clamped to the outer wall of the reagent adding pipe body 8, a strip-shaped groove 21 is formed on one side of the outer wall of the outer cylinder 2, a control assembly for controlling the moving distance of the second protruding plate 7 is arranged inside the strip-shaped groove 21, the control assembly comprises a strip-shaped plate 4 which is slidably connected inside the strip-shaped groove 21, a rectangular plate 6 is fixedly connected to one end of the strip-shaped plate 4, a plurality of arc-shaped holes 20 are formed inside the strip-shaped plate 4, a rotating ring 17 is clamped to the arc-shaped holes 20, a limiting ring 9 is fixedly connected inside the reagent adding pipe body 8, a plurality of vertical holes 22 are formed inside the limiting ring 9, a plurality of vertical plates 23 are fixedly connected to the outer wall of the piston rod 10, the vertical plates 23 are used in cooperation with the vertical holes 22, reagent liquid is left inside the reagent measuring cup 1, the reagent inside the reagent measuring cup 1 is extracted multiple times through the reagent adding pipe body 8 and is added to different test papers for detection, the second protruding plate 7 drives the piston rod 10 and the piston block 11 to move upward by pulling the second protruding plate 7, at this time, the reagent enters the inside of the reagent adding pipe body 8, until the top of the second protruding plate 7 abuts against the bottom of the rectangular plate 6, the second protruding plate 7 cannot move upward, the extraction of the reagent is completed, the effect of quantitative extraction is realized, and the subsequent detection effect is ensured;

[0031] The outer wall of the outer cylinder 2 is rotatably sleeved with a rotating ring 17, the rotating ring 17 is internally provided with a first notch 18, the top of the outer cylinder 2 is fixedly sleeved with a first protruding plate 3, one side of the first protruding plate 3 is provided with a brake assembly for braking the rotating ring 17, the brake assembly comprises a fixed block 12 fixedly connected to one side of the first protruding plate 3, a limiting block 14 is slidingly connected to one side of the first protruding plate 3, a poking block 15 is fixedly connected to one side of the limiting block 14, two springs 13 symmetrically arranged and fixedly connected between the top of the limiting block 14 and the bottom of the fixed block 12, the limiting block 14 is used in cooperation with the first notch 18, the outer wall of the outer cylinder 2 is fixedly sleeved with a fixed ring 16, the fixed ring 16 is internally provided with a second notch 19, the rotating ring 17 is located at the top of the fixed ring 16, when it is necessary to adjust the position of the rectangular plate 6, at this time, the poking block 15 can be first moved upward, the poking block 15 drives the limiting block 14 to move upward, the limiting block 14 extrudes the spring 13 and moves out of the inside of the first notch 18, at this time, the brake of the rotating ring 17 is released, the rotating ring 17 can be rotated, the rotating ring 17 moves out of the inside of the arc-shaped hole 20, so that the first notch 18 is aligned with the strip-shaped groove 21, at this time, the brake state of the strip-shaped plate 4 is released; at this time, the position of the strip-shaped plate 4 can be adjusted, according to the indication of the scale line 5, the position of the strip-shaped plate 4 can be adjusted, at this time, the position of the rectangular plate 6 can be adjusted, at this time, the liquid extraction amount of the second protruding plate 7 can be changed, so that the total reagent liquid can be divided into multiple parts, after extraction is completed, the outer cylinder 2 and the strip-shaped plate 4 can be integrally pulled out and clamped outside a new material adding pipe body 8, so as to facilitate next use, and the cost can be greatly reduced.

[0032] The application can be used in the field of high-risk human papilloma virus detection, and can also be used in other fields applicable to the application.

[0033] Embodiment 2

[0034] Reference Figs. 1-6 On the basis of embodiment 1, a disposable reagent material adding pipe is improved: applied to the field of high-risk human papilloma virus detection, a plurality of scale lines 5 are arranged on one side of the strip-shaped plate 4.

[0035] The above is only a preferred specific implementation manner of the application, but the protection scope of the application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the application concept of the application within the technical range disclosed by the application, which should be covered in the protection scope of the application.

Claims

1. A disposable reagent pipette comprising: Include: The reagent cup (1) and the additive pipe body (8) are matched with the reagent cup (1), the inside of the additive pipe body (8) is slidably connected with the piston block (11), the top of the piston block (11) is fixedly connected with the piston rod (10), the top of the piston rod (10) is fixedly connected with the second lug plate (7), the outer wall of the additive pipe body (8) is clamped with the outer cylinder (2), the outer wall of the outer cylinder (2) is provided with a strip-shaped groove (21), the inside of the strip-shaped groove (21) is provided with a control assembly for controlling the moving distance of the second lug plate (7); The outer wall of the outer cylinder (2) is rotatably provided with a rotating ring (17), the inside of the rotating ring (17) is provided with a first notch (18), the top of the outer cylinder (2) is fixedly provided with a first lug plate (3), one side of the first lug plate (3) is provided with a brake assembly for braking the rotating ring (17).

2. The disposable reagent addition tube of claim 1, wherein The control assembly includes a strip-shaped plate (4) slidably connected in the strip-shaped groove (21), one end of the strip-shaped plate (4) is fixedly connected with a rectangular plate (6), the inside of the strip-shaped plate (4) is provided with a plurality of arc-shaped holes (20), the rotating ring (17) is clamped with the arc-shaped hole (20).

3. The disposable reagent addition tube of claim 1, wherein, The brake assembly includes a fixed block (12) fixedly connected on one side of the first lug plate (3), a limiting block (14) slidably connected on one side of the first lug plate (3), a pushing block (15) fixedly connected on one side of the limiting block (14), two springs (13) symmetrically arranged and fixedly connected between the top of the limiting block (14) and the bottom of the fixed block (12), the limiting block (14) is matched with the first notch (18).

4. The disposable reagent delivery tube of claim 1 wherein, The outer wall of the outer cylinder (2) is fixedly provided with a fixed ring (16), the inside of the fixed ring (16) is provided with a second notch (19), and the rotating ring (17) is located on the top of the fixed ring (16).

5. The disposable reagent addition tube of claim 1 wherein, The inside of the limiting ring (9) is fixedly connected with the limiting ring (9), a plurality of vertical holes (22) are formed in the inside of the limiting ring (9), a plurality of vertical plates (23) are fixedly connected on the outer wall of the piston rod (10), and the vertical plate (23) is matched with the vertical hole (22).

6. The disposable reagent addition tube of claim 2, wherein, A plurality of scale lines (5) are arranged on one side of the strip-shaped plate (4).

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