Tail vein injection device

Abstract

The utility model discloses a caudal vein injection device, relates to the technical field of mouse caudal vein injection devices, and aims to solve the problems that the stability of the existing mouse caudal vein injection device, a mounting plate and a transparent fixing barrel are of an integrated structure, but the tail end of a mouse is positioned at the joint of the mounting plate and the transparent fixing barrel during injection; the mouse is easily frightened to excrete in the device during injection, and the part is difficult to clean after injection is completed. A transparent fixing barrel is mounted in the middle of one side of the mounting plate, a plugging mechanism is movably mounted in the transparent fixing barrel, locking hooks are symmetrically and fixedly arranged on the upper portion and the lower portion of the side, close to the mounting plate, of the transparent fixing barrel, and locking hook grooves are symmetrically formed in the mounting plate; the locking hook groove and the locking hook are correspondingly arranged, a sliding groove is formed in the front side of the transparent fixing barrel, a locking bolt groove is formed in the rear side of the transparent fixing barrel, and a mouse tail through groove directly communicated with the edge is formed in the center of one side of the mounting plate.

Description

TECHNICAL FIELD

[0001] The utility model relates to mouse intravenous injection device technical field, specifically is tail intravenous injection device. BACKGROUND

[0002] Mouse tail intravenous injection device is a device designed specifically for mouse tail intravenous injection, which is mainly used in biomedical research, especially when rapid and effective delivery of drugs, reagents or other substances through the tail vein is required. The mouse should be handled gently throughout the operation process to avoid unnecessary stress or pain. The injector needs to have certain experience and technology to ensure the success rate of injection. Therefore, sufficient practice and preparation should be carried out before using the device. Mouse tail intravenous injection device is an important biomedical research tool that can improve the accuracy and efficiency of tail intravenous injection, while reducing the harm and pain to the mouse during the experiment. When using, attention should be paid to operation specification, hygienic condition and animal welfare, etc.

[0003] Chinese patent publication No. CN208435847U discloses a mouse tail intravenous injection fixing device, which comprises a bottom plate, a chamber body is arranged on the bottom plate, a mouse tail leading hole is formed on one side of the chamber body, a mouse tail traction groove is arranged on the bottom plate and communicates with the mouse tail leading hole, and a mouse tail fixing structure is arranged on the mouse tail traction groove. The mouse tail intravenous injection fixing device of the structure limits the activity space of the mouse through the chamber body, the mouse tail is led out from the mouse tail leading hole, the mouse tail is pulled out and fixed in the mouse tail traction groove through the mouse tail fixing structure, which realizes reliable fixation of the mouse body and the mouse tail, and ensures the efficiency and effect of mouse tail intravenous injection.

[0004] The prior art in the above has the following defects: the existing mouse tail intravenous injection device is an integral structure of the mounting plate and the transparent fixed barrel for the stability of the device, but the mouse tail end is located at the connection between the mounting plate and the transparent fixed barrel during injection, and the mouse is prone to excretion in the device due to fright during injection. Therefore, we propose a tail intravenous injection device to solve the problems raised in the above. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a tail intravenous injection device to solve the problem that the existing mouse tail intravenous injection device is an integral structure of the mounting plate and the transparent fixed barrel for the stability of the device, but the mouse tail end is located at the connection between the mounting plate and the transparent fixed barrel during injection, and the mouse is prone to excretion in the device due to fright during injection.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: tail vein injection device, including the mounting panel, the middle position of one side of mounting panel installs the transparent fixed barrel, the inside movable mounting of transparent fixed barrel has the plugging mechanism, the upper and lower sides of the one side of transparent fixed barrel close to mounting panel are fixedly provided with the locking hook, the inside of mounting panel is provided with the locking hook groove, the locking hook groove is correspondingly provided with the locking hook.

[0007] Preferably, four through holes are symmetrically arranged on the upper and lower sides of the transparent fixed barrel, a sliding groove is formed on the front side of the transparent fixed barrel, a locking bolt groove is formed on the rear side of the transparent fixed barrel, the locking bolt groove is opposite to the sliding groove, a mouse tail groove with a straight through edge is formed at the center of one side of the mounting plate, and the locking bolt groove and the mouse tail groove are through.

[0008] Preferably, the locking hook is provided with a locking block at one end, the locking block is triangular in structure, one end surface of the locking block is attached to the outer end of the mounting plate, and the width of the one end of the locking hook is smaller than the diameter of the locking hook groove.

[0009] Preferably, a first threaded groove is formed at the middle position of the inside of the lower end of the plugging mechanism, a locking bolt is mounted on the outside of the transparent fixed barrel, and one end of the locking bolt is screwed with the first threaded groove through the sliding groove.

[0010] Preferably, a mouse groove is formed in the inside of the transparent fixed barrel, and the diameter of the mouse groove is greater than the diameter of the plugging mechanism.

[0011] Preferably, an air heating box is fixedly mounted on the lower side of one end of the transparent fixed barrel, a heating pipe is mounted in the inside of the transparent fixed barrel, the heating pipe is serpentine, a fan is fixedly mounted on one side of the inside of the air heating box, and an air heating groove is mounted in the inside of the air heating box.

[0012] Preferably, a heating wire is fixedly mounted in the inside of the air heating groove, an air inlet pipe is sealingly connected to one side of the air heating groove, and the other end of the air inlet pipe is sealingly connected to the heating pipe.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The utility model discloses a transparent fixed barrel is dismantled when cleaning, and the locking hook is tenacity structure, and two locking hooks are pushed inwards, thereby the fit of locking block and the one -sided surface of mounting panel is removed and slides out from the locking hook groove, thereby realize the dismantling of transparent fixed barrel, and the mounting panel and transparent fixed barrel are cleaned respectively after dismantling, avoid the excrement and stain of mouse and pollute the equipment difficult to clean, thereby infect the next mouse, solve why the stability of equipment of the mouse tail vein injection device of prior art, and the mounting panel and transparent fixed barrel are integral structure, but the mouse tail end is located at the junction of mounting panel and transparent fixed barrel when injecting, and the mouse is easy to excrete in the device when injecting, and the place is difficult to clean after injecting.

[0015] . When the mouse tail vein is injected, the fan and the heating wire are opened, the fan blows air into the air heating groove, the heating wire in the air heating groove heats the air, the heated air enters the heating pipe under the guidance of the air inlet pipe, and the hot air flows in the heating pipe. Thus, heat is transmitted to the mouse inside. Heating can dilate the blood vessels of the mouse tail, so that the blood vessels are more obvious, which facilitates the operator to observe and accurately insert the needle into the vein. Clear blood vessels can help reduce mispuncture or repeated puncture, reduce the pain of the mouse and experimental error. Heating can not only dilate the blood vessels, but also promote the blood circulation of the mouse tail, so that the drug can be absorbed into the body faster. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure diagram of the utility model Figure 1 ;

[0017] Figure 2 It is the structure diagram of the utility model Figure 2 ;

[0018] Figure 3 It is the perspective view of mounting panel in the utility model;

[0019] Figure 4 It is the perspective view of transparent fixed barrel in the utility model;

[0020] Figure 5 It is the structure diagram of transparent fixed barrel in the utility model.

[0021] In the drawing: 1, mounting panel;2, transparent fixed barrel;3, locking hook groove;4, locking hook;5, locking block;6, plugging mechanism;7, air heating box;8, through -hole;9, locking bolt groove;10, mouse tail through -groove;11, sliding groove;12, locking bolt;13, first threaded groove;14, mouse groove;15, fan;16, air heating groove;17, heating wire;18, air inlet pipe;19, heating pipe. DETAILED DESCRIPTION

[0022] Clearly, the described embodiments are merely part of the embodiments of the present utility model, rather than all the embodiments.

[0023] Please refer to Figures 1-5 The utility model provides an embodiment: tail vein injection device, the middle position of one side of installation board 1 is equipped with transparent fixed barrel 2, the inside movable mounting of transparent fixed barrel 2 is equipped with plugging mechanism 6, the upper and lower sides of one side of transparent fixed barrel 2 close to installation board 1 are symmetrically fixedly arranged with locking hook 4, the inside of installation board 1 is symmetrically provided with locking hook groove 3, locking hook groove 3 is correspondingly arranged with locking hook 4.

[0024] After injection is completed, the locking bolt 12 is loosened to release the locking of the plugging mechanism 6 and the plugging mechanism 6 is taken out, then the mouse is taken out, the transparent fixed barrel 2 is disassembled, the locking hook 4 is of tenacity structure, the two locking hooks 4 are pushed inward, so that the abutment of the locking block 5 and one end surface of the installation board 1 is released and slides out of the locking hook groove 3, so that the disassembly of the transparent fixed barrel 2 is realized, after disassembly, the installation board 1 and the transparent fixed barrel 2 are cleaned respectively, so that the feces and stains left by the mouse pollute the equipment and are difficult to clean, so that the next mouse is infected.

[0025] Please refer to Figure 2 The upper and lower sides of the transparent fixed barrel 2 are symmetrically provided with four through holes 8, the front side of the transparent fixed barrel 2 is provided with a sliding groove 11, the rear side of the transparent fixed barrel 2 is provided with a locking bolt groove 9, the locking bolt groove 9 is oppositely arranged with the sliding groove 11, the center position of one side of the installation board 1 is provided with a mouse tail through groove 10 with a straight edge, the locking bolt groove 9 is through with the mouse tail through groove 10, one end of the locking hook 4 is fixedly provided with a locking block 5, the locking block 5 is of triangular structure, one end surface of the locking block 5 is abutted with the outer end of the installation board 1, the width of one end of the locking hook 4 is less than the diameter of the locking hook groove 3, the middle position of the inside of the lower end of the plugging mechanism 6 is provided with a first thread groove 13, the outside of the transparent fixed barrel 2 is provided with a locking bolt 12, one end of the locking bolt 12 is screwed with the first thread groove 13 through the sliding groove 11, the inside of the transparent fixed barrel 2 is provided with a mouse groove 14, the diameter of the mouse groove 14 is greater than the diameter of the plugging mechanism 6.

[0026] Please refer to Figure 2 One end of the lower side of the transparent fixed barrel 2 is fixedly provided with an air heating box 7, the inside of the transparent fixed barrel 2 is provided with a heating pipe 19, the heating pipe 19 is serpentine arranged, one side of the inside of the air heating box 7 is fixedly provided with a fan 15, the inside of the air heating box 7 is provided with an air heating groove 16, the inside of the air heating groove 16 is fixedly provided with a heating wire 17, one side of the air heating groove 16 is sealingly connected with an air inlet pipe 18, the other end of the air inlet pipe 18 is sealingly connected with the heating pipe 19.

[0027] Working principle: when using, the mouse is placed in the mouse trough 14 of the transparent fixing barrel 2, and the tail of the mouse is moved along the locking bolt slot 9 to the inside of the mouse tail through slot 10, the sealing mechanism 6 is corresponded with the mouse trough 14, and the sliding groove 11 is corresponded with the locking bolt 12, after corresponding, the sealing mechanism 6 is pushed to the inside of the mouse trough 14, so as to make the mouse close to the bottom end of the mouse trough 14, until the tail of the mouse is attached to the bottom end of the mouse trough 14, the head of the mouse is attached to the inside of the sealing mechanism 6, the locking bolt 12 is rotated to make it deeper into the inside of the first threaded groove 13, so that the gap between the sealing mechanism 6 and the mouse trough 14 is clamped, so as to lock the position of the sealing mechanism 6, at this time, the fan 15 and the heating wire 17 are started, the fan 15 blows air into the air heating groove 16, the heating wire 17 in the air heating groove 16 heats the air, the heated air is guided into the heating pipe 19 through the air inlet pipe 18, and the hot air flows in the heating pipe 19, so as to transmit heat to the inside mouse, the heating can expand the blood vessels of the mouse tail, so that the blood vessels are more obvious, which is convenient for the operator to observe and accurately insert the needle into the vein, the clear blood vessel display helps to reduce the mis-stimulation or repeated stimulation, reduces the pain of the mouse and the experimental error, and the heating not only can expand the blood vessels, but also can promote the blood circulation of the mouse tail, so as to help the drug to be absorbed into the body faster. After the use is completed, the locking bolt 12 is loosened to release the locking of the sealing mechanism 6, the sealing mechanism 6 is taken out, the mouse is taken out, the transparent fixing barrel 2 is disassembled, the locking hook 4 is flexible, the two locking hooks 4 are pushed inward, so that the locking block 5 is separated from the end face of the mounting plate 1 and slides out of the locking hook slot 3, so as to realize the disassembly of the transparent fixing barrel 2, after disassembly, the mounting plate 1 and the transparent fixing barrel 2 are cleaned respectively, so as to avoid the feces and stains left by the mouse from polluting the equipment and being difficult to clean, so as to infect the next mouse.

[0028] Mounting plate 1 transparent fixing barrel 2 locking hook slot 3 locking hook 4 locking block 5 sealing mechanism 6 air heating box 7 through hole 8 locking bolt slot 9 mouse tail through slot 10 sliding groove 11 locking bolt 12 first threaded groove 13 mouse trough 14 fan 15 air heating groove 16 heating wire 17 air inlet pipe 18 heating pipe 19

[0029] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. A caudal vein injection device comprising a mounting plate (1), characterized in that: The middle position of one side of the mounting plate (1) is provided with a transparent fixed barrel (2), the inside of the transparent fixed barrel (2) is movably provided with a blocking mechanism (6), the upper and lower sides of the transparent fixed barrel (2) near the one side of the mounting plate (1) are symmetrically and fixedly provided with locking hooks (4), the inside of the mounting plate (1) is symmetrically provided with locking hook grooves (3), and the locking hook grooves (3) are correspondingly arranged with the locking hooks (4).

2. The caudal intravenous injection device of claim 1, wherein: The upper and lower sides of the transparent fixed barrel (2) are symmetrically provided with four through holes (8), the front side of the transparent fixed barrel (2) is provided with a sliding groove (11), the rear side of the transparent fixed barrel (2) is provided with a locking bolt groove (9), the locking bolt groove (9) is arranged opposite to the sliding groove (11), the center position of the one side of the mounting plate (1) is provided with a mouse tail through groove (10) with a straight edge, and the locking bolt groove (9) and the mouse tail through groove (10) are through.

3. The caudal intravenous injection device of claim 1, wherein: One end of the locking hook (4) is fixedly provided with a locking block (5), the locking block (5) is in a triangular structure, one end surface of the locking block (5) is attached to the outer end of the mounting plate (1), and the width of the one end of the locking hook (4) is less than the diameter of the locking hook groove (3).

4. The caudal vein injection device of claim 2, wherein: The middle position of the inside of the lower end of the blocking mechanism (6) is provided with a first threaded groove (13), the outside of the transparent fixed barrel (2) is provided with a locking bolt (12), and one end of the locking bolt (12) is threadedly connected with the first threaded groove (13) through the sliding groove (11).

5. The caudal vein injection device of claim 1, wherein: The inside of the transparent fixed barrel (2) is provided with a mouse groove (14), and the diameter of the mouse groove (14) is greater than the diameter of the blocking mechanism (6).

6. The caudal vein injection device of claim 1, wherein: The lower side of one end of the transparent fixed barrel (2) is fixedly provided with an air heating box (7), the inside of the transparent fixed barrel (2) is provided with a heating pipe (19), the heating pipe (19) is arranged in a serpentine shape, one side of the inside of the air heating box (7) is fixedly provided with a fan (15), and the inside of the air heating box (7) is provided with an air heating groove (16).

7. The caudal intravenous injection device of claim 6, wherein: The inside of the air heating groove (16) is fixedly provided with a heating wire (17), one side of the air heating groove (16) is sealingly connected with an air inlet pipe (18), and the other end of the air inlet pipe (18) is sealingly connected with the heating pipe (19).

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