CN219721540U - Micro-syringe - Google Patents

Abstract

The utility model relates to a micro-volume syringe, which includes a syringe body. A pull-out plate is provided at the upper end of the syringe body. Fixed plates are fixedly connected to both sides of the syringe body. A T-shaped chute is provided on one side of the fixed plate surface. The upper end of one side of each of the fixed plates is fixedly connected to a limit plate. The lower end of the limit plate is provided with a moving block that is slidingly connected to the fixed plate. The surface of one side of the moving block is fixedly connected to a T-shaped sliding block that is slidingly connected to the inside of the T-shaped chute. Slide block, the upper end of the moving block is provided with a limiting circular plate, the upper end of the limiting circular plate is fixedly connected to a limiting rod that penetrates the limiting plate and is slidingly connected to the penetration part, and the upper end of the limiting rod is fixedly connected to the lower end of the pull-out plate. A fingerboard is fixedly connected to one side of the moving block, a connecting ring plate is fixedly connected between the two moving blocks, and a limiting mechanism is provided in the middle of the connecting ring plate. The micro-injector described in the utility model facilitates medical staff to carry out quantitative injection processing, thereby improving practicability.

Description

a microsyringe

Technical field

The utility model relates to the technical field of anesthesiology, in particular to a micro-injector.

Background technique

Anesthesiology is a comprehensive discipline. It is the basic clinical work of anesthesiology to ensure that patients receive surgical treatment under painless and safe conditions.

In the anesthesiology department, syringes are needed to inject anesthesia to patients, and sometimes quantitative micro-injections are required. However, the existing syringes are not convenient for staff to perform quantitative injections, and the staff need to use glasses to observe the liquid on the syringes. Bit lines are used to perform quantitative injection processing, but observation by the human eye is prone to errors and eye fatigue. For this reason, we proposed a micro-injector.

Utility model content

The utility model provides a micro-injector, which solves the technical problems raised by the background technology in the prior art.

The utility model solves the above technical problems as follows: it includes a syringe body, a pull-out plate is provided at the upper end of the syringe body, fixed plates are fixedly connected to both sides of the syringe body, and a T-shaped chute is provided on one side of the fixed plate surface. , the upper ends of one side of the two fixed plates are fixedly connected to the limiting plate, the lower end of the limiting plate is provided with a moving block that is slidingly connected to the fixed plate, and the surface of one side of the moving block is fixedly connected to a sliding block that is slidingly connected to the inside of the T-shaped chute. T-shaped slider, the upper end of the moving block is provided with a limiting circular plate, the upper end of the limiting circular plate is fixedly connected to a limiting rod that penetrates the limiting plate and is slidingly connected to the penetration part, and the upper end of the limiting rod is fixed to the lower end of the pull-out plate connection, the fingerboard is fixedly connected to one side of the moving block, a connecting ring plate is fixedly connected between the two moving blocks, a limiting mechanism is set in the middle of the connecting ring plate, and a transparent window is set at the front end of the syringe body. A liquid level line is set on the surface of the syringe body on one side of the transparent window, and a mounting plate is fixedly connected to the rear end surface of the syringe body.

On the basis of the above technical solution, the present utility model can also make the following improvements.

Furthermore, an injection head is fixedly connected to the lower end of the syringe body, and a moving piston is provided inside the syringe body and is slidably connected to the inside of the syringe body.

Furthermore, a pull rod is fixedly connected to the middle of the upper end surface of the moving piston, and the upper end of the pull rod is fixedly connected to the lower end surface of the pull-out plate.

Further, the limiting mechanism includes a cross-shaped rotating block.

Further, one end of the cross-shaped rotating block is fixedly connected to a limiting screw that penetrates the connecting ring plate and is threadedly connected to the penetration part.

The beneficial effects of the utility model are: the utility model provides a micro-volume syringe, which has the following advantages:

Through the set limit mechanism, installation plate, limit rod, limit plate, fixed plate, transparent window, liquid level line, limit circular plate, moving block, fingerboard, connecting ring plate, T-shaped slider and T-shaped The cooperation between the chutes can facilitate the staff to carry out quantitative injection processing, thereby improving the practicality of the entire device.

The above description is only an overview of the technical solution of the present utility model. In order to understand the technical means of the present utility model more clearly and implement them according to the contents of the specification, the following is a detailed description of the preferred embodiment of the present utility model with the accompanying drawings, as follows: back. The specific implementation mode of the present invention is given in detail by the following examples and accompanying drawings.

Description of the drawings

The drawings described here are used to provide a further understanding of the present utility model and constitute a part of the present application. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation of the present utility model. In the attached picture:

Figure 1 is a schematic structural diagram of a micro-syringe provided by an embodiment of the present invention;

Figure 2 is a schematic top cross-sectional view of the structure of the microsyringe provided in Figure 1;

Figure 3 is a schematic structural diagram of a fixing plate in a micro-syringe of the present invention.

In the drawings, the parts represented by each number are listed as follows:

1. Pull-out plate; 2. Pull rod; 3. Limit lever; 4. Limit plate; 5. Fixed plate; 6. Syringe body; 7. Transparent window; 8. Liquid level line; 9. Limit circular plate; 10. Moving block; 11. Fingerboard; 12. Moving piston; 13. Cross-shaped rotating block; 14. Limiting screw; 15. Mounting plate; 16. Connecting ring plate; 17. T-shaped slider; 18. T-shaped chute.

Detailed ways

The principles and features of the present utility model are described below with reference to the accompanying drawings 1-3. The examples cited are only used to explain the utility model and are not intended to limit the scope of the utility model. The invention is described in more detail by way of example in the following paragraphs with reference to the accompanying drawings. The advantages and features of the present invention will become clearer from the following description and claims. It should be noted that the drawings are in a very simplified form and use imprecise proportions, and are only used to conveniently and clearly assist in explaining the embodiments of the present invention.

It should be noted that when a component is said to be "anchored" to another component, it can be directly on the other component or there can also be an intermediate component. When a component is said to be "connected" to another component, it may be directly connected to the other component or there may be an intermediate component present at the same time. When a component is said to be "set on" another component, it can be directly set on the other component or there may be a centered component at the same time. The terms "vertical," "horizontal," "left," "right" and similar expressions are used herein for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which the invention belongs. The terms used in the description of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in Figures 1-3, the utility model provides a micro-volume syringe, which includes a syringe body 6. A pull-out plate 1 is provided at the upper end of the syringe body 6, and fixed plates 5 are fixedly connected to both sides of the syringe body 6. , a T-shaped chute 18 is provided on one side of the fixed plate 5. The upper ends of the two fixed plates 5 are fixedly connected to the limiting plate 4. The lower end of the limiting plate 4 is provided with a moving block that is slidingly connected to the fixed plate 5. 10. One side surface of the moving block 10 is fixedly connected to a T-shaped slide block 17 that is slidingly connected to the inside of the T-shaped chute 18. A limiting circular plate 9 is provided at the upper end of the moving block 10, and the upper end of the limiting circular plate 9 is fixedly connected to the T-shaped sliding block 17. The limit rod 3 penetrates the limit plate 4 and is slidingly connected to the penetration part. The upper end of the limit rod 3 is fixedly connected to the lower end of the pull-out plate 1. One side of the moving block 10 is fixedly connected to the fingerboard 11, and the two moving blocks 10 are fixedly connected to the fingerboard 11. A connecting ring plate 16 is fixedly connected between the blocks 10, and a limiting mechanism is provided in the middle of the connecting ring plate 16. A transparent window 7 is provided at the front end of the syringe body 6, and a liquid level is set on one side of the transparent window 7 on the surface of the syringe body 6. Line 8, the rear end surface of the syringe body 6 is fixedly connected to the mounting plate 15.

Preferably, the lower end of the syringe body 6 is fixedly connected to an injection head, and a moving piston 12 is provided inside the syringe body 6 and is slidably connected to the inside of the syringe body 6. The moving piston 12 can push the medicinal liquid for injection molding.

Preferably, a pull rod 2 is fixedly connected to the middle of the upper surface of the moving piston 12. The upper end of the pull rod 2 is fixedly connected to the lower surface of the pull-out plate 1. The moving piston 12 can be driven to move by the provided pull rod 2.

Preferably, the limiting mechanism includes a cross-shaped rotating block 13, and the cross-shaped rotating block 13 is arranged to facilitate rotation of the limiting screw 14.

Preferably, one end of the cross-shaped rotary block 13 is fixedly connected with a limiting screw 14 that penetrates the connecting ring plate 16 and is threadedly connected to the penetration part. The limiting screw 14 can limit the position between the connecting ring plate 16 and the syringe body 6 .

The specific working principle and usage method of this utility model are:

The utility model provides a micro-volume syringe. When used, the medicine is drawn into the interior of the syringe body 6 through the injection head by pulling up the pull-out plate 1. After the medicine is drawn in, the limiting screw 14 is connected to the installation by rotating the cross-shaped rotary block 13. After the plate 15 is separated, the moving block 10 can be moved directly. By observing the position of the liquid level line 8 pointed by the finger plate 11, after the finger plate 11 is moved to the appropriate position, the cross-shaped rotating block 13 is rotated in the opposite direction. The limiting screw 14 is pressed against the surface of the mounting plate 15, so that the connecting ring plate 16 is limited, so that the moving block 10 and the surface of the syringe body 6 are limited. Then when the medical staff injects, they only need to directly push the pull-out plate 1, and draw the The movement of the pull plate 1 will drive the limit rod 3 and the limit circular plate 9 to move, and the limit circular plate 9 will stop when it moves to the upper end of the moving block 10. At this time, the position of the moving piston 12 is pointed by the fingerboard 11 position to complete quantitative injection processing.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model in any form; any ordinary skilled person in the industry can implement it smoothly according to the description shown in the accompanying drawings and the above description. The present utility model; however, any modifications, modifications and equivalent changes made by those skilled in the art by utilizing the technical content disclosed above without departing from the scope of the technical solution of the present utility model shall be deemed to be equivalent to the present utility model. Novel equivalent embodiments; at the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present utility model still fall within the protection scope of the technical solution of the present utility model.

Claims (5)

1. A micro-volume syringe, comprising a syringe body (6), characterized in that a pull-out plate (1) is provided at the upper end of the syringe body (6), and fixed plates are fixedly connected to both sides of the syringe body (6). (5), a T-shaped chute (18) is provided on one side of the fixed plate (5), and the upper ends of one side of the two fixed plates (5) are fixedly connected to the limiting plate (4), and the limiting plate (4) ) is provided at the lower end with a moving block (10) slidingly connected to the fixed plate (5), and a T-shaped slider (17) slidingly connected to the inside of the T-shaped chute (18) is fixedly connected to one side surface of the moving block (10). The upper end of the moving block (10) is provided with a limiting circular plate (9), and the upper end of the limiting circular plate (9) is fixedly connected to a limiting rod (3) that penetrates the limiting plate (4) and is slidingly connected to the penetration part. The upper end of the limit rod (3) is fixedly connected to the lower end of the pull-out plate (1), the fingerboard (11) is fixedly connected to one side of the moving block (10), and the two moving blocks (10) are fixedly connected to each other. The connecting ring plate (16) is provided with a limiting mechanism in the middle. A transparent window (7) is provided at the front end of the syringe body (6). One side of the transparent window (7) is on the syringe body (6). A liquid level line (8) is set on the surface, and a mounting plate (15) is fixedly connected to the rear end surface of the syringe body (6). 2. A micro-volume syringe according to claim 1, characterized in that the lower end of the syringe body (6) is fixedly connected to an injection head, and the inside of the syringe body (6) is provided with a sliding connection with the inside of the syringe body (6). moving piston (12). 3. A micro-syringe according to claim 2, characterized in that a pull rod (2) is fixedly connected to the middle of the upper end surface of the moving piston (12), and the upper end of the pull rod (2) is connected to the lower end surface of the pull-out plate (1). Fixed connection. 4. A microsyringe according to claim 1, characterized in that the limiting mechanism includes a cross-shaped rotating block (13). 5. A microsyringe according to claim 4, characterized in that one end of the cross-shaped rotary block (13) is fixedly connected to a limiting screw (14) that penetrates the connecting ring plate (16) and is threadedly connected to the penetration part. .