A mouse tail vein injection auxiliary rack

CN224723337UActive Publication Date: 2026-09-08KCI BIOTECH(SUZHOU) INC
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Patent Information

Application Number
CN202522277245.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-28
Publication Date
2026-09-08
Estimated Expiration
2035-10-28

AI Technical Summary

Technical Problem

[0004]本实用新型的目的在于提供一种小鼠尾静脉注射辅助架,以解决了上述背景技术中提出在需要进行大批量、连续性注射的实验场景中,频繁地抓取、装入和取出小鼠会显著影响整体实验进度也容易增加咬伤风险的问题

Benefits of technology

1、 该小鼠尾静脉注射辅助架,通过排队扩口通道、单鼠固定罩和定位架的设置,多只小鼠依次从排队扩口通道进入,打开封闭板和启闭板使得一只小鼠进入到单鼠固定罩后关闭,第二伺服电机带动单鼠固定罩转动到鼠尾固定板侧并使用定位架将鼠尾固定,照明灯照亮鼠尾注射视野,注射完成后第二伺服电机带动单鼠固定罩转动承接下一只小鼠,重复上述操作,实现了小鼠的连续、高效的固定与注射,减少人员接触,提升了小鼠尾静脉注射效率。

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Abstract

The utility model discloses a mouse tail intravenous injection auxiliary frame relates to mouse test technical field, the mouse tail intravenous injection auxiliary frame, including auxiliary frame body, still include: the queuing flared channel of setting in the one side of auxiliary frame body top surface, the other side of auxiliary frame body top surface is provided with single mouse fixed cover and rotates, the utility model discloses the setting of queuing flared channel, single mouse fixed cover and positioning frame, and multiple mice enter from queuing flared channel in turn, and the closing plate is opened and the on -off plate makes a mouse enter to single mouse fixed cover after closing, and the second servo motor drives single mouse fixed cover to rotate to the mouse tail fixed plate side and uses the positioning frame to fix the mouse tail, and the mouse tail injection field is illuminated by the light, and the second servo motor drives single mouse fixed cover to rotate and undertake the next mouse after injection is completed, and the above operation is repeated, realizes the continuous, efficient fixation and injection of mouse, reduces personnel contact, and the mouse tail intravenous injection efficiency is improved.
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Description

Technical Field

[0001] This utility model relates to the field of mouse testing technology, specifically to a mouse tail vein injection auxiliary frame. Background Technology

[0002] Tail vein injection in mice is a routine and crucial procedure in animal experiments, widely used in various biomedical fields such as drug screening, toxicology research, and disease model construction. This procedure requires precise puncture of the blood vessels in the mouse tail.

[0003] Traditional injection methods often rely on the operator to hold the mouse by hand and then place it in an auxiliary tool to fix it in place. In experimental scenarios that require large-scale and continuous injections, the frequent handling, loading and unloading of mice can significantly affect the overall experimental progress and make it difficult to meet the needs of efficient experiments. Moreover, the frequent contact between personnel and mice can also increase the risk of bites. Utility Model Content

[0004] The purpose of this invention is to provide a mouse tail vein injection auxiliary frame, which solves the problem mentioned in the background art that in experimental scenarios requiring large-scale, continuous injections, frequent grabbing, loading, and unloading of mice can significantly affect the overall experimental progress and easily increase the risk of bites.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a mouse tail vein injection auxiliary frame, comprising an auxiliary frame body, and further comprising: a queuing flare channel disposed on one side of the top surface of the auxiliary frame body; a single mouse fixing cover rotatably disposed on the other side of the top surface of the auxiliary frame body; a fixing frame fixedly disposed on one side of the surface of the queuing flare channel and the single mouse fixing cover; a closing component fixedly installed on the top surface of the fixing frame; a support frame disposed on the other side of the surface of the single mouse fixing cover; an opening and closing component fixedly installed on the top surface of the support frame; a lighting lamp embedded in the surface of the opening and closing component; a mouse tail fixing plate fixedly disposed on the side of the auxiliary frame body near the single mouse fixing cover; a positioning frame hinged to one side of the top surface of the mouse tail fixing plate; and a rotating component disposed on one side of the outer surface of the auxiliary frame body, one end of which is rotatably disposed with a striking rubber wheel.

[0006] As a preferred technical solution of this utility model, the sealing component includes a first electric push rod fixedly installed on the top surface of the fixing frame, and a sealing plate is fixedly provided at the output end of the first electric push rod. A slot adapted to the sealing plate is opened on one side of the top surface of the queuing flare channel and the single mouse fixing cover. The sealing component is used to seal the queuing flare channel and the single mouse fixing cover.

[0007] As a preferred technical solution of this utility model, the opening and closing assembly includes a second electric push rod fixedly installed on the top surface of the support frame, and an opening and closing plate is fixedly provided at the output end of the second electric push rod. A through groove adapted to the opening and closing plate is opened on one side of the top surface of the single mouse fixing cover, and the opening and closing assembly facilitates the mouse to enter the single mouse fixing cover.

[0008] As a preferred embodiment of the present invention, the rotating assembly includes a first servo motor fixedly disposed on one side of the outer surface of the auxiliary frame, and a rotating rod fixedly disposed at the output end of the first servo motor. The rotating assembly is used to drive the striking rubber wheel to rotate back and forth.

[0009] As a preferred embodiment of this utility model, two sets of magnetic absorbing plates are fixedly arranged on one side of the positioning frame, and two sets of magnet blocks are fixedly arranged on one side of the top surface of the rat tail fixing plate. The magnetic absorbing plates and magnet blocks are used to connect the positioning frame and the rat tail fixing plate.

[0010] As a preferred technical solution of this utility model, a second servo motor is fixedly installed on one side of the bottom surface of the auxiliary frame. The output end of the second servo motor is fixedly connected to the bottom surface of the single mouse fixing cover. The second servo motor is used to drive the single mouse fixing cover to rotate.

[0011] As a preferred technical solution of this utility model, support legs are fixedly provided on all four sides of the bottom surface of the auxiliary frame. The support legs are in four groups and arranged in a rectangular array. The support legs are used to support the auxiliary frame.

[0012] Compared with the prior art, the present invention provides a mouse tail vein injection auxiliary frame, which has the following beneficial effects: 1. This mouse tail vein injection auxiliary frame, through the setting of a queuing flare channel, a single mouse fixation cover, and a positioning frame, allows multiple mice to enter sequentially through the queuing flare channel. After the closing plate and the opening and closing plate are opened to allow one mouse to enter the single mouse fixation cover, they are closed. A second servo motor drives the single mouse fixation cover to the side of the mouse tail fixation plate, and the positioning frame is used to fix the mouse tail. The light illuminates the injection field of the mouse tail. After the injection is completed, the second servo motor drives the single mouse fixation cover to rotate to receive the next mouse. The above operation is repeated, realizing continuous and efficient fixation and injection of mice, reducing human contact, and improving the efficiency of mouse tail vein injection.

[0013] 2. This mouse tail vein injection auxiliary frame, through the setting of rotating components and tapping rubber wheels, the first servo motor drives the rotating rod to rotate slowly, so that the tapping rubber wheels follow the slow rotation, gently and repeatedly tapping the entrance of the queuing and dilating channel, guiding and driving the mouse to move into the interior of the queuing and dilating channel, avoiding stagnation, and facilitating the mouse to enter the single mouse fixation hood for injection. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the opening / closing component and the closing component of this utility model; Figure 3 This is a schematic diagram of the queuing flare channel structure of this utility model; Figure 4 This is an enlarged structural diagram of point A in this utility model; Figure 5 This is a schematic diagram of the rat tail fixing plate structure of this utility model.

[0015] In the diagram: 1. Auxiliary frame; 2. Queueing flare channel; 3. Single mouse fixing cover; 4. Fixing frame; 5. Enclosure assembly; 51. First electric push rod; 52. Enclosure plate; 6. Support frame; 7. Opening and closing assembly; 71. Second electric push rod; 72. Opening and closing plate; 8. Lighting lamp; 9. Mouse tail fixing plate; 10. Positioning frame; 11. Rotating assembly; 111. First servo motor; 112. Rotating rod; 12. Striking rubber wheel; 13. Magnetic suction plate; 14. Magnet block; 15. Second servo motor. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Please see Figures 1-5This utility model discloses a mouse tail vein injection auxiliary frame, including an auxiliary frame body 1, and further including: a queuing and flaring channel 2 disposed on one side of the top surface of the auxiliary frame body 1; a single mouse fixing cover 3 rotatably disposed on the other side of the top surface of the auxiliary frame body 1; a fixing frame 4 fixedly disposed on one side of the surface of the queuing and flaring channel 2 and the single mouse fixing cover 3; a sealing component 5 fixedly installed on the top surface of the fixing frame 4; a support frame 6 disposed on the other side of the surface of the single mouse fixing cover 3; an opening and closing component 7 fixedly installed on the top surface of the support frame 6; a lighting lamp 8 embedded in the surface of the opening and closing component 7; a mouse tail fixing plate 9 fixedly disposed on the side of the auxiliary frame body 1 near the single mouse fixing cover 3; a positioning frame 10 hinged to one side of the top surface of the mouse tail fixing plate 9; and the queuing and flaring channel 2 and the single mouse fixing cover 3 are connected to the mouse tail fixing cover 3. With the setup of 3 and positioning frame 10, multiple mice enter sequentially through the queuing flare channel 2. The closing plate 52 and the opening and closing plate 72 are opened to allow one mouse to enter the single mouse fixation cover 3 and then closed. The second servo motor 15 drives the single mouse fixation cover 3 to rotate to the side of the mouse tail fixation plate 9 and uses the positioning frame 10 to fix the mouse tail. The lighting lamp 8 illuminates the mouse tail injection field. After the injection is completed, the second servo motor 15 drives the single mouse fixation cover 3 to rotate to receive the next mouse. The above operation is repeated, realizing continuous and efficient fixation and injection of mice, reducing human contact and improving the efficiency of mouse tail vein injection. A rotating component 11 is installed on one side of the outer surface of the auxiliary frame 1. One end of the rotating component 11 is equipped with a tapping rubber wheel 12. Through the arrangement of the rotating component 11 and the tapping rubber wheel 12, the first servo motor 111 drives the rotating rod 112 to rotate slowly, so that the tapping rubber wheel 12 rotates slowly and gently and repeatedly taps the entrance of the queuing and expanding channel 2, guiding and driving the mouse to move into the interior of the queuing and expanding channel 2, avoiding stagnation, and facilitating the mouse to enter the single mouse fixation cover 3 for injection.

[0018] Specifically, the enclosure component 5 includes a first electric push rod 51 fixedly installed on the top surface of the mounting frame 4. The output end of the first electric push rod 51 is fixedly provided with a sealing plate 52. A slot adapted to the sealing plate 52 is opened on one side of the top surface of the queuing flared channel 2 and the single mouse fixing cover 3.

[0019] In this implementation scheme, the first electric push rod 51 is opened, which drives the sealing plate 52 to rise and fall, thereby opening or closing the queuing flare channel 2 and the single mouse fixing cover 3.

[0020] Specifically, the opening and closing assembly 7 includes a second electric push rod 71 fixedly installed on the top surface of the support frame 6. The output end of the second electric push rod 71 is fixedly provided with an opening and closing plate 72. A through groove adapted to the opening and closing plate 72 is opened on one side of the top surface of the single mouse fixing cover 3.

[0021] In this implementation scheme, the second electric push rod 71 is opened, which drives the opening and closing plate 72 to rise and fall, thereby opening and closing the single mouse fixing cover 3.

[0022] Specifically, the rotating assembly 11 includes a first servo motor 111 fixedly mounted on one side of the outer surface of the auxiliary frame 1, and a rotating rod 112 fixedly mounted on the output end of the first servo motor 111.

[0023] In this embodiment, the first servo motor 111 drives the rotating rod 112 to rotate slowly, so that the striking rubber wheel 12 rotates slowly and gently and repeatedly strikes the entrance of the queuing flaring channel 2.

[0024] Specifically, two sets of magnetic plates 13 are fixedly installed on one side of the positioning frame 10, and two sets of magnet blocks 14 are fixedly installed on one side of the top surface of the rat tail fixing plate 9.

[0025] In this embodiment, the magnetic absorbing piece 13 and the magnetic block 14 are used to fix the positioning frame 10 on the mouse tail fixing plate 9 to fix the mouse tail.

[0026] Specifically, a second servo motor 15 is fixedly installed on one side of the bottom surface of the auxiliary frame 1, and the output end of the second servo motor 15 is fixedly connected to the bottom surface of the single mouse fixing cover 3.

[0027] In this embodiment, the second servo motor 15 is used to drive the single mouse fixing cover 3 to rotate.

[0028] Specifically, support legs are fixedly installed around the bottom of the auxiliary frame 1, and there are four sets of support legs distributed in a rectangular array.

[0029] In this embodiment, the support legs are used to support the auxiliary frame 1.

[0030] The working principle and usage process of this utility model are as follows: Multiple mice are sequentially entered through the queuing flare channel 2. The first electric push rod 51 is opened, which drives the sealing plate 52 to rise, opening the outlet of the queuing flare channel 2 and the entrance of the single mouse fixing cover 3, so that the single mouse fixing cover 3 is closed after one mouse enters it. The first servo motor 111 drives the rotating rod 112 to rotate slowly, causing the tapping rubber wheel 12 to rotate slowly as well, gently and repeatedly tapping the entrance of the queuing flare channel 2, guiding and driving the mouse to move into the queuing flare channel 2, and avoiding stagnation. The second servo motor 15 drives the single mouse fixing cover 3 to rotate to the side of the mouse tail fixing plate 9, places the mouse tail on the mouse tail fixing plate 9, rotates the positioning frame 10 to connect the magnet block 14 and the magnetic suction plate 13 to fix the mouse tail, and the lighting lamp 8 illuminates the mouse tail injection field. After the injection is completed, the sealing plate 52 on the single mouse fixation cover 3 is opened to facilitate the mouse leaving the single mouse fixation cover 3 after injection. The second servo motor 15 drives the entrance of the single mouse fixation cover 3 to the exit of the queuing expansion channel 2 to receive the next mouse. The above operation is repeated to achieve continuous and efficient fixation and injection of mice, reduce human contact, and improve the efficiency of tail vein injection of mice.

[0031] It should be noted that, in this document, terms such as "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A mouse tail vein injection assisting stand comprising an assisting stand body (1), characterized in that, Also includes: A queuing flared channel (2) is set on one side of the top surface of the auxiliary frame (1), and a single mouse fixing cover (3) is rotatably set on the other side of the top surface of the auxiliary frame (1). A fixing frame (4) is fixedly set on one side of the surface of the queuing flared channel (2) and the single mouse fixing cover (3), and a sealing component (5) is fixedly installed on the top surface of the fixing frame (4). A support frame (6) is set on the other side of the surface of the single mouse fixing cover (3). An opening and closing component (7) is fixedly installed on the top surface of the support frame (6). An illumination lamp (8) is embedded on the surface of the opening and closing component (7). A mouse tail fixing plate (9) is fixedly installed on the side of the auxiliary frame (1) near the single mouse fixing cover (3). A positioning frame (10) is hinged on one side of the top surface of the mouse tail fixing plate (9). A rotating assembly (11) is provided on one side of the outer surface of the auxiliary frame (1), and a striking rubber wheel (12) is rotatably provided at one end of the rotating assembly (11).

2. The mouse tail vein injection auxiliary frame according to claim 1, characterized in that: The enclosure component (5) includes a first electric push rod (51) fixedly installed on the top surface of the mounting frame (4). The output end of the first electric push rod (51) is fixedly provided with a sealing plate (52). A slot adapted to the sealing plate (52) is opened on one side of the top surface of the queuing flared channel (2) and the single mouse fixing cover (3).

3. The mouse tail vein injection auxiliary frame according to claim 1, characterized in that: The opening and closing assembly (7) includes a second electric push rod (71) fixedly installed on the top surface of the support frame (6). The output end of the second electric push rod (71) is fixedly provided with an opening and closing plate (72). A through groove adapted to the opening and closing plate (72) is opened on one side of the top surface of the single mouse fixing cover (3).

4. The mouse tail vein injection auxiliary frame according to claim 1, characterized in that: The rotating assembly (11) includes a first servo motor (111) fixedly disposed on one side of the outer surface of the auxiliary frame (1), and a rotating rod (112) is fixedly disposed at the output end of the first servo motor (111).

5. The mouse tail vein injection auxiliary frame according to claim 1, characterized in that: Two sets of magnetic plates (13) are fixedly installed on one side of the positioning frame (10), and two sets of magnet blocks (14) are fixedly installed on one side of the top surface of the rat tail fixing plate (9).

6. The mouse tail vein injection auxiliary frame according to claim 1, characterized in that: A second servo motor (15) is fixedly installed on one side of the bottom surface of the auxiliary frame (1), and the output end of the second servo motor (15) is fixedly connected to the bottom surface of the single mouse fixing cover (3).

7. The mouse tail vein injection auxiliary frame according to claim 1, characterized in that: The auxiliary frame (1) has four sets of support legs fixedly arranged around its bottom surface. The support legs are arranged in a rectangular array.