Mouse gavage device

By designing a limiting device and an injection mechanism, the problem of inaccurate drug dosage control in existing mouse gavage devices has been solved, achieving precise drug dosage control and improving experimental efficiency, while ensuring the stability and comfort of the mouse gavage process.

CN223464146UActive Publication Date: 2025-10-24JIANGXI PROVINCIAL HOSPITAL OF INTEGRATED TRADITIONAL CHINESE & WESTERN MEDICINE
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Patent Information

Application Number
CN202422572559.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-24
Publication Date
2025-10-24
Estimated Expiration
2034-10-24

AI Technical Summary

Technical Problem

Existing mouse gavage devices are not precise in controlling drug intake, resulting in low experimental efficiency and high labor intensity.

Method used

A mouse gavage device with a limiting device and an injection mechanism was designed. The precise control of drug dosage is achieved through the cooperation of the limiting motor and the injection motor. The device includes mechanical transmission of the limiting stud, telescopic column and moving disc, combined with an indicator needle and scale to ensure the stability of drug absorption and dispensing.

Benefits of technology

It enables precise control of drug dosage, simplifies the operation process, improves experimental efficiency, reduces labor intensity, and ensures the comfort of mice during gavage and the consistency of drug dosage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of medical experiment equipment, and discloses a mouse gavage device which comprises a holding column, a connecting shell is fixedly connected to the lower portion of the holding column, limiting devices are fixedly connected to the upper portions of the two sides of the connecting shell, an injection mechanism is fixedly connected to the upper portion of the interior of the connecting shell, and the injection mechanism is fixedly connected to the lower portion of the connecting shell. The limiting device is arranged, the amount of medicine sucked by the lavage device can be controlled, then the amount of medicine during lavage of the lavage device is controlled, operation is easy, the medicine does not need to be sucked and pushed out repeatedly, the medicine can be conveniently taken out, the medicine can be conveniently taken out, and the lavage device is convenient to use and high in practicability. The device is simple in structure and convenient to operate, the experiment efficiency is improved, the labor intensity is reduced, the injection mechanism and the injection tube are arranged, it is guaranteed that a mouse feels more comfortable during gavage, operation is stable, and the situation that the mouse feels uncomfortable due to the fact that the amount of discharged medicine is too large suddenly due to manual injection is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical test equipment technical field more particularly to a mouse gavage device. BACKGROUND

[0002] Animal experiment is a common method in modern medical biological research, and mouse gavage device is a common device for directly administering medicine to mice. However, when using the gavage device, the medicine is usually sucked by hand, and the amount of the sucked medicine cannot be well controlled, so the medicine needs to be frequently sucked and pushed out to reach the required amount, which is a large workload and is not conducive to the efficiency of the experiment. UTILITY MODEL CONTENT

[0003] In order to overcome the above-mentioned defects of the prior art, the utility model provides a mouse gavage device to solve the problems in the above background art.

[0004] The utility model provides the following technical scheme: a mouse gavage device, comprising a holding column, the lower part of the holding column is fixedly connected with a connecting shell, the upper part of both sides of the connecting shell is fixedly connected with a limiting device, the upper part of the inside of the connecting shell is fixedly connected with an injection mechanism, the lower part of the connecting shell is fixedly connected with a barrel, the lower part of the outside of the barrel is fixedly connected with a syringe, the limiting device comprises a fixed block, the lower part of the fixed block is fixedly connected with a fixed cylinder, the upper part of the inside of the fixed cylinder is fixedly connected with a limiting motor, the lower part of the limiting motor is fixedly connected with a limiting screw column, the outside of the limiting screw column is threadedly connected with a telescopic column, the outside of the telescopic column is provided with a limiting groove, the lower part of the outside of the telescopic column is fixedly connected with a support block, and the lower part of the outside of the support block is fixedly connected with an indicating needle.

[0005] Preferably, the holding column comprises a column body, the outside of the column body is fixedly connected with a control button, and the top of the column body is threadedly connected with a closure cover.

[0006] Preferably, the connecting shell comprises an outer shell, the inside of the outer shell is provided with a through groove, both sides of the outer shell are provided with limiting sliding grooves, the outside of the outer shell is provided with a scale, and the lower part of the outer shell is provided with a column groove.

[0007] Preferably, the injection mechanism comprises an injection motor, the lower part of the injection motor is fixedly connected with an injection screw column, the outside of the injection screw column is threadedly connected with a moving disc, and both sides of the moving disc are fixedly connected with moving blocks.

[0008] Preferably, the barrel comprises a barrel body, the inside of the barrel body is movably connected with a piston, the top of the piston is fixedly connected with a connecting column, and the lower part of the barrel body is fixedly connected with a connecting head.

[0009] Preferably, the injection tube comprises a hose, an anti-skid sleeve is fixedly connected to the outside of one end of the hose, and a tip is fixedly connected to the other end of the hose, and the tip is internally provided with a discharge port.

[0010] The technical effects and advantages of the present utility model are as follows:

[0011] 1. The present utility model is provided with a limiting device, which is beneficial to control the amount of medicine sucked by the gavage device. The limiting screw post is rotated by starting the limiting motor. The telescopic column is internally provided with a screw groove matched with the limiting screw post. The telescopic column can be telescoped in the fixed cylinder by rotating the limiting screw post in different directions. The moving block can be controlled to ascend to a position, and the piston can be controlled to ascend to a position, so that the amount of medicine sucked by the gavage device can be controlled, and the amount of medicine during gavage can be controlled. The operation is simple, and the medicine does not need to be repeatedly sucked and pushed out, which accelerates the experimental efficiency and reduces the labor intensity.

[0012] 2. The present utility model is provided with an injection mechanism, which is beneficial to ensure that the mouse is more comfortable during gavage. The injection screw post is rotated by starting the injection motor. The internal screw groove of the moving disc is matched with the injection screw post. The moving disc can move up and down by rotating the injection screw post in different directions, so that the connecting column is driven to move the piston up and down, and the medicine can be sucked and pushed out. The operation is stable, and the amount of medicine pushed out is constant. The amount of medicine pushed out is not constant due to manual injection, and the medicine entering the stomach of the mouse will not cause discomfort to the mouse due to too much sudden increase. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a cross-sectional structure schematic view of the present utility model.

[0014] Figure 2 It is a whole structure schematic view of the present utility model.

[0015] Figure 3 It is a whole structure schematic view of the connecting shell of the present utility model.

[0016] Figure 4 It is a cross-sectional structure schematic view of the limiting device of the present utility model.

[0017] Figure 5 It is a whole structure schematic view of the injection tube of the present utility model.

[0018] The reference signs are: 1, handle column; 101, column body; 102, control button; 103, closing cover; 2, connecting shell; 201, shell; 202, through slot; 203, limiting sliding slot; 204, scale; 205, column slot; 3, limiting device; 301, fixed block; 302, limiting motor; 303, limiting stud; 304, fixed cylinder; 305, telescopic column; 306, limiting slot; 307, supporting block; 308, indicating needle; 4, injection mechanism; 401, injection motor; 402, injection stud; 403, moving disc; 404, moving block; 5, barrel; 501, barrel body; 502, connecting column; 503, piston; 504, connecting head; 6, injection tube; 601, hose; 602, anti-skid sleeve; 603, end head; 604, discharge port. DETAILED DESCRIPTION

[0019] The technical scheme in the utility model will be described clearly and completely in combination with the drawings in the utility model, and the forms of each structure described in the following embodiments are only examples, and the mouse gavage device involved in the utility model is not limited to each structure described in the following embodiments, and all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] The utility model provides a mouse gavage device, including holding post 1, the lower part fixed connection of holding post 1 has the connecting shell 2, the upper portion of both sides of connecting shell 2 is fixedly connected with the limiting device 3, the upper portion fixed connection of connecting shell 2 inside has injection mechanism 4, the lower part fixed connection of connecting shell 2 has material cylinder 5, the lower part fixed connection of material cylinder 5 outside has injection tube 6, limiting device 3 includes fixed block 301, the lower part fixed connection of fixed block 301 has fixed cylinder 304, the upper portion fixed connection of fixed cylinder 304 inside has limit motor 302, the lower part fixed connection of limit motor 302 has limit stud 303, the outside screw joint of limit stud 303 has telescopic column 305, the outside of telescopic column 305 is equipped with limit slot 306, the lower part fixed connection of telescopic column 305 outside has support block 307, the lower part fixed connection of support block 307 outside has indicating needle 308, fixed block 301 is fixed in the outside of connecting shell 2, limit slot 306 is used for preventing telescopic column 305 from rotating, by starting limit motor 302 makes limit stud 303 rotate, the inside of telescopic column 305 is equipped with the screw groove of adaptation with limit stud 303, by the rotation of limit stud 303 and the rotation of different directions make telescopic column 305 can be telescopic in the inside of fixed cylinder 304, and according to the scale 204 of indicating needle 308 points to make it stay in the corresponding position, make the position of moving block 404 rise can be controlled, and then control the position of piston 503 rise, make the medicine amount that it absorbs can be controlled, and then control its medicine amount when gavage, it is relatively simple to operate, need not repeatedly suck and push out the medicine, accelerate the efficiency of experiment, and reduce the labor intensity.

[0021] Further, holding post 1 includes a column body 101, the outside of the column body 101 is fixedly connected with a control button 102, the top of the column body 101 is screw-connected with a closing cover 103, the inside of the column body 101 is provided with a storage battery, the storage battery is used for power supply to the limit motor 302 and the injection motor 401, the control button 102 is used for controlling the operation of the limit motor 302 and the injection motor 401, the storage battery inside the column body 101 can be replaced by unscrewing the closing cover 103.

[0022] Further, the connecting shell 2 includes an outer shell 201, the inside of the outer shell 201 is provided with a through slot 202, both sides of the outer shell 201 are provided with limit sliding grooves 203, the outside of the outer shell 201 is provided with a scale 204, the lower part of the outer shell 201 is provided with a column groove 205, the through slot 202 is used for the movement of the moving block 404, the limit sliding grooves 203 are used for the movement of the support block 307, and the support block 307 can only move up and down in the limit sliding grooves 203, further preventing the telescopic column 305 from rotating, the scale 204 is used for conveniently observing the position where the telescopic column 305 stays, and then conveniently making it stay in the corresponding position according to the required medicine amount, and the column groove 205 is used for the passing of the connecting column 502.

[0023] Further, the injection mechanism 4 comprises an injection motor 401, the lower part of the injection motor 401 is fixedly connected with an injection stud 402, the outer side of the injection stud 402 is threadedly connected with a moving disc 403, the two sides of the moving disc 403 are fixedly connected with moving blocks 404, the bottom of the moving disc 403 is fixed with the top of the connecting column 502, the injection stud 402 is rotated by starting the injection motor 401, the inside of the moving disc 403 is provided with a screw groove matched with the injection stud 402, the moving disc 403 can move up and down by the rotation of the injection stud 402 in different directions, thereby driving the connecting column 502 to move the piston 503 up and down, thereby being able to suck and push out the medicine, and being relatively stable during operation, the amount of medicine pushed out is relatively constant, and the amount of medicine pushed out is not constant due to manual injection, ensuring that the medicine entering the stomach of the mouse will not cause discomfort to the mouse due to too much.

[0024] Further, the barrel 5 comprises a barrel body 501, the inside of the barrel body 501 is movably connected with a piston 503, the top of the piston 503 is fixedly connected with a connecting column 502, and the lower part of the barrel body 501 is fixedly connected with a connecting head 504.

[0025] Further, the injection pipe 6 comprises a hose 601, the outer side of one end of the hose 601 is fixedly connected with an anti-skid sleeve 602, the other end of the hose 601 is fixedly connected with an end head 603, the inside of the end head 603 is provided with a discharge port 604, the anti-skid sleeve 602 ensures that the injection pipe 6 will not slip when it is sleeved on the outside of the connecting head 504, and is convenient to fix, the surface of the end head 603 is smooth, the hose 601 is made of relatively soft rubber material, and will not cause damage to the mouse when it is inserted into the throat, esophagus and stomach of the mouse, thereby reducing the pain and overreaction of the mouse.

[0026] The utility model discloses a working principle: when using, make the limit motor 302 operation through pressing control button 102, drive the limit stud 303 to rotate through the operation of limit motor 302, and the rotation to different directions makes telescopic column 305 can retract in the inside of fixed cylinder 304, and according to the scale 204 of the indicating needle 308 pointing makes it stay on the corresponding position, then start injection motor 401 makes injection stud 402 rotate, the inside of moving disc 403 is equipped with the screw groove of adaptation with injection stud 402, through the rotation of injection stud 402 and the rotation to different directions make moving disc 403 can move up and down, and then drive connecting column 502 to make piston 503 move up and down, through control piston 503 moves to the bottom, then again insert connecting head 504 into medicine, then make it rise and suck medicine, under the restriction of telescopic column 305, the position of moving block 404 can be controlled to rise, and then control the position of piston 503 to rise, make the medicine amount that it sucks can be controlled, and then control the medicine amount when gavage, it is relatively simple to operate, need not repeatedly suck and push out medicine, speed up the efficiency of experiment, and reduce the labor intensity, then fix injection tube 6 on connecting head 504, through make piston 503 drop and make medicine enter and fill injection tube 6, then insert injection tube 6 into mouse body, make end head 603 reach mouse's stomach, finally control piston 503 drop and inject medicine into mouse's stomach can take out injection tube 6, the medicine amount when push injection is relatively constant, will not because the reason of manual push injection make the medicine amount of push injection indefinite, guarantee medicine to enter mouse's stomach, will not because too much suddenly cause mouse's discomfort.

[0027] Finally: the above only is preferred embodiment of the utility model has, and does not use for limiting the utility model, any modification, equivalent replacement, improvement etc. that is made in the spirit and principles of the utility model, should include in the protection scope of the utility model.

Claims

1. A mouse gavage device comprising a handle post (1), characterised in that: The lower part of the holding column (1) is fixedly connected with a connecting shell (2), the upper part of the two sides of the connecting shell (2) is fixedly connected with a limiting device (3), the upper part of the inside of the connecting shell (2) is fixedly connected with an injection mechanism (4), the lower part of the connecting shell (2) is fixedly connected with a barrel (5), the lower part of the outside of the barrel (5) is fixedly connected with an injection tube (6), the limiting device (3) comprises a fixed block (301), the lower part of the fixed block (301) is fixedly connected with a fixed cylinder (304), the upper part of the inside of the fixed cylinder (304) is fixedly connected with a limiting motor (302), the lower part of the limiting motor (302) is fixedly connected with a limiting stud (303), the outside of the limiting stud (303) is threadedly connected with a telescopic column (305), the outside of the telescopic column (305) is provided with a limiting groove (306), the lower part of the outside of the telescopic column (305) is fixedly connected with a supporting block (307), the lower part of the outside of the supporting block (307) is fixedly connected with an indicating needle (308).

2. The mouse gavage device of claim 1, wherein: The holding column (1) comprises a column body (101), the outside of the column body (101) is fixedly connected with a control button (102), the top of the column body (101) is threadedly connected with a closing cover (103).

3. The mouse gavage device of claim 1, wherein: The connecting shell (2) comprises an outer shell (201), the inside of the outer shell (201) is provided with a through groove (202), the two sides of the outer shell (201) are provided with limiting sliding grooves (203), the outside of the outer shell (201) is provided with a scale (204), the lower part of the outer shell (201) is provided with a column groove (205).

4. The mouse gavage device of claim 1, wherein: The injection mechanism (4) comprises an injection motor (401), the lower part of the injection motor (401) is fixedly connected with an injection stud (402), the outside of the injection stud (402) is threadedly connected with a moving disc (403), the two sides of the moving disc (403) are fixedly connected with moving blocks (404).

5. The mouse gavage device of claim 1, wherein: The barrel (5) comprises a barrel body (501), the inside of the barrel body (501) is movably connected with a piston (503), the top of the piston (503) is fixedly connected with a connecting column (502), the lower part of the barrel body (501) is fixedly connected with a connecting head (504).

6. The mouse gavage device of claim 1, wherein: The injection tube (6) comprises a hose (601), the outside of one end of the hose (601) is fixedly connected with an anti-skid sleeve (602), the other end of the hose (601) is fixedly connected with an end head (603), the inside of the end head (603) is provided with a discharge port (604).