Breeding cage for laboratory mice

By introducing mesh partitions and feces collection trays into the cages for laboratory mice, the problem of mice consuming excrement and bedding was solved, ensuring the accuracy and reproducibility of experimental results, simplifying the cleaning process, and improving the living environment of the mice.

CN223584991UActive Publication Date: 2025-11-25SHANGHAI EAST HOSPITAL EAST HOSPITAL TONGJI UNIV SCHOOL OF MEDICINE +1
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Patent Information

Application Number
CN202423282739.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-11-25
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

In traditional laboratory mouse cages, the mice consume their excrement and bedding during the rearing process, leading to the entry of chemicals or microorganisms into their bodies, which can affect their immune function and reduce the accuracy and reproducibility of experimental results.

Method used

A cage for laboratory mice was designed, comprising a cage body, a top cover, a mesh partition, and a feces collection tray. The laboratory mice stand on top of the mesh partition, and their excrement falls through the partition into the feces collection tray. The feces collection tray can be removed from inside the cage body for cleaning, preventing the mice from contacting the bedding. The cleaning process is simplified by sealing the side panels and holes.

Benefits of technology

This effectively avoids interference from the mice's ingestion of bedding and excrement, ensuring the accuracy and purity of experimental results, improving the reproducibility of the experiment, simplifying the cleaning process, and improving the living environment of the mice.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of experimental animal breeding, and discloses a breeding cage for experimental mice, which comprises a cage body and an upper cover arranged at the top of the cage body, and a feces collecting tray is additionally arranged at the bottom of an inner cavity of the cage body; the fixed side block is arranged on the inner wall of the cage body, and a net-shaped partition plate is additionally arranged at the top of the fixed side block. According to the rearing cage for the laboratory mice, after the laboratory mice are placed in the cage body, the laboratory mice stand on the top of the net-shaped partition plate, the laboratory mice can be prevented from making contact with padding, excrement of the laboratory mice can descend into the excrement collecting disc through the net-shaped partition plate, and the excrement collecting disc can be taken out from the interior of the cage body to be cleaned. According to the device, the mouse is prevented from intaking padding and excrement to interfere experimental data, the accuracy, the purity and the repeatability of experimental results are guaranteed, the workload of experimenters can be reduced through the designed excrement collecting disc, the working efficiency is improved, and feeding management is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to experimental animal feeding technical field, concretely is a kind of experimental mouse feeding cage. BACKGROUND

[0002] Experimental animal is the animal specially cultivated for experiment, mainly refers to the animal that domestication, reproduction, growth for the purpose of medical science, pharmacy, biology, veterinary medicine, scientific research, teaching, medical treatment, identification, diagnosis, biological product manufacturing etc., should give priority to considering the evolution degree of the species of animal when selecting experimental animal, and try to select the animal similar to human in structure, function, metabolism to do experiment.For providing suitable living environment, meeting the physiological and behavioral needs of experimental animals, protecting the health and safety of experimental animals, improving the accuracy and reliability of experimental results, experimental animals need to use feeding device.

[0003] Common experimental animal feeding device is usually composed of cage, cage frame, water device, bedding and other auxiliary equipment, etc.Cage is the core part of experimental animal feeding device, used for accommodating and feeding experimental animals.Cage frame is a support for cage, making the placement of cage more reasonable and stable.Water device is an indispensable part of experimental animal feeding device.It should ensure that experimental animals can get clean and sanitary drinking water at any time.Bedding is a material laid at the bottom of the cage to absorb animal excrement and keep the cage clean.Other auxiliary equipment such as laminar flow stand, isolation cover, transport cage, etc.These devices can play an important role in specific situations, such as providing clean air environment with laminar flow stand, maintaining sterile environment with isolation cover, etc.

[0004] Traditional experimental animal feeding device, experimental mouse feeding cage, in the process of feeding experimental mice, due to the influence of instinctive behavior and other factors, experimental mice will eat excrement and bedding during feeding process, and the chemical substances or microorganisms in excrement and bedding will enter the body of experimental mice, which will affect the immune function of experimental mice, thus affecting the accuracy and repeatability of the experiment.A new type of experimental mouse feeding cage is designed. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model provides an experimental mouse feeding cage to solve the problem of eating excrement and bedding during the feeding process of experimental mice.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: an experimental mouse feeding cage, comprising:

[0007] Cage body, and upper cover arranged on the top of cage body, and the inner cavity bottom of cage body is additionally provided with a manure collecting tray;

[0008] The fixed side block is arranged on the inner wall of the cage body, and a mesh partition is arranged on the top of the fixed side block. After the experimental mouse is placed in the cage body, the experimental mouse stands on the top of the mesh partition, so that the experimental mouse can avoid contacting the bedding material, and the excrement of the experimental mouse can fall through the mesh partition into the inside of the manure collecting tray. The manure collecting tray can be taken out from the inside of the cage body for cleaning. On the one hand, the interference of the bedding material and the excrement of the mouse on the experimental data is avoided, the accuracy of the experimental results is ensured, and the purity of the experimental feed is ensured. On the other hand, the standardized mouse feeding environment makes the experimental results more accurate, and the repeatability of the experiment is improved. The manure collecting tray is designed to be easy to clean, which reduces the workload of the experimental personnel and improves the work efficiency. The mesh partition design not only prevents the mouse from eating the excrement and the bedding material, but also maintains good ventilation in the cage, and improves the living environment of the mouse.

[0009] Preferably, a blocking side plate is inserted on the outside of the cage body, and the blocking side plate is arranged corresponding to the position of the manure collecting tray, and a hole is formed on the outside of the manure collecting tray. After the blocking side plate is separated from the cage body, the manure collecting tray can be pulled out through the hole, so that the manure collecting tray can be taken out for cleaning without removing the upper cover and the mesh partition in advance.

[0010] Preferably, a handle is installed on the outside of the blocking side plate, and the handle is designed in a "U" shape. The manure collecting tray and the blocking side plate are slidingly connected with the cage body. The handle drives the blocking side plate to slide along the inner wall of the cage body, and the manure collecting tray can slide along the inner wall of the cage body.

[0011] Preferably, annular rotating plates are uniformly arranged on the outside of the cage body, and the annular rotating plates are rotationally connected with the cage body. The annular rotating plates can be rotated on the cage body, and the rotating direction of the annular rotating plates can be adjusted.

[0012] Preferably, side clamping plates are installed on the outside of the annular rotating plates, and the side clamping plates are attached to the blocking side plate. Counterweights are arranged on the bottom of the annular rotating plates. The counterweights are located on the bottom of the annular rotating plates under the action of gravity, and the side clamping plates are attached to the blocking side plate. Thus, the stability of the connection between the cage body and the blocking side plate in the moving state is ensured, and the disassembly operation is facilitated.

[0013] Preferably, the middle part of the manure collecting tray is concave downward, and the surface of the manure collecting tray is smooth. The downwardly concave manure collecting tray can concentrate the falling excrement, which is convenient for later centralized cleaning. The smooth surface of the manure collecting tray facilitates the falling of the excrement.

[0014] Preferably, the upper cover and the cage body are connected by a clamping mode, and a lock is arranged at the connection position to prevent the experimental animals in the cage from escaping. The clamping mode makes the structure more convenient to disassemble.

[0015] Preferably, the surface of the mesh partition is provided with circular or square perforated mesh openings for the excrement to fall, and the sides of the perforated mesh openings are arc-shaped to facilitate the sliding of the excrement. The surface of the mesh partition is smooth and sprayed with anti-corrosion paint to prevent the excrement from causing corrosion and damage to the structure.

[0016] Preferably, the fixed side blocks are evenly distributed on the lower inner wall of the cage body, and the shape of the fixed side blocks is adapted to the shape of the four side walls of the cage body, so that the shape of the fixed side blocks and the four side walls of the cage body are tightly and reliably connected. The mesh partition is placed on top of the fixed side blocks, and the two are in close contact. That is, the fixed side blocks are used to support the mesh partition, which facilitates the disassembly and cleaning of the mesh partition.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The experimental mice were housed in cages with a mesh partition. The mice stood on top of the mesh partitions, preventing contact between them and the bedding. Their excrement could then drain through the mesh partitions into a collection tray, which could be removed for cleaning. This design not only prevented interference from bedding and excrement intake, ensuring the accuracy, purity, and reproducibility of the results, but also maintained good ventilation within the cage, improving the mice's living environment.

[0019] After the sealing side plate of this solution is separated from the cage body, the manure collection tray can be pulled out through the hole without first removing the top cover and mesh partition. The operation is simple and quick. The added counterweight plate is located at the bottom of the annular rotating plate under the action of gravity, while the side clamping plate is attached to the sealing side plate, thereby ensuring the stability of the connection between the cage body and the sealing side plate when moving, and facilitating disassembly operations, further improving the efficiency of excrement cleaning. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the inner cavity structure of the cage body of this utility model;

[0022] Figure 3 This is a schematic diagram of the mesh partition and its connection structure of the present invention;

[0023] Figure 4 This is a schematic diagram of the cross-sectional structure of the cage body of this utility model;

[0024] Figure 5 This is a schematic diagram of the annular rotating plate and its connection structure of this utility model.

[0025] Fig. 1, cage body; 2, upper cover; 3, fixed side block; 4, mesh partition; 5, manure collecting tray; 6, blocking side plate; 7, handle; 8, annular rotating plate; 9, side clamping plate; 10, counterweight plate. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the protection scope of the utility model.

[0027] The utility model provides a kind of technical scheme, a kind of experimental mouse is raised cage, comprising: Figure 1 Cage body 1 and the upper cover 2 of being set to the top of cage body 1, the upper cover 2 is connected between cage body 1 by clamping mode, and locking device is equipped at the connecting place, to avoid the experimental animal in cage to escape, clamping mode makes that structure dismounts more quickly, and the inner cavity bottom of cage body 1 is additionally provided with manure collecting tray 5;

[0028] The upper cover 2 is connected between cage body 1 by clamping mode, and locking device is equipped at the connecting place, to avoid the experimental animal in cage to escape, clamping mode makes that structure dismounts more quickly, and the inner cavity bottom of cage body 1 is additionally provided with manure collecting tray 5; Figure 3 Fixed side block 3 is set to the inner wall of cage body 1, and the top of fixed side block 3 is additionally provided with mesh partition 4. The surface of mesh partition 4 is provided with circular or square hollow mesh, for the falling of excrement, and the side of hollow mesh is arc-shaped, to facilitate the sliding of excrement, the surface of mesh partition 4 is smooth and is sprayed with anticorrosive paint, to avoid that excrement causes corrosion damage to structure, fixed side block 3 is evenly arranged in the lower side of the inner wall of cage body 1, and the shape of fixed side block 3 is adapted to the shape of four side walls of cage body 1, so that the shape of fixed side block 3 is connected closely and firmly between the four side walls of cage body 1, the mesh partition 4 is placed above fixed side block 3, and the two are fitted, i.e. fixed side block 3 is used to erect mesh partition 4, to facilitate the dismounting and cleaning of mesh partition 4.

[0029] After the experimental mouse is placed in the cage body 1, the experimental mouse stands on the top of the mesh partition 4, which can avoid the contact between the experimental mouse and the litter, and the excrement of the experimental mouse can fall into the inside of the excrement collecting tray 5 through the mesh partition 4, and the excrement collecting tray 5 can be taken out from the inside of the cage body 1 for cleaning. On the one hand, it avoids the interference of the mouse ingesting litter and excrement on the experimental data, ensures the accuracy of the experimental results, and ensures the purity of the experimental feed; on the other hand, the standardized mouse feeding environment makes the experimental results more accurate, and can improve the repeatability of the experiment, the excrement collecting tray 5 is designed for easy cleaning, reduces the workload of the experimental personnel, improves the work efficiency, and facilitates the feeding management. At the same time, the design of the mesh partition 4 not only prevents the mouse from eating excrement and litter, but also maintains good ventilation in the cage, improving the living environment of the mouse.

[0030] Please refer to Figure 2 , Figure 3 , the outside of the cage body 1 is provided with a blocking side plate 6, and the blocking side plate 6 is arranged corresponding to the position of the excrement collecting tray 5, and a hole is formed in the outside of the excrement collecting tray 5. After separating the blocking side plate 6 from the cage body 1, the excrement collecting tray 5 can be pulled out through the hole, so that the excrement collecting tray 5 can be taken out and cleaned without first removing the upper cover 2 and the mesh partition 4. The middle part of the excrement collecting tray 5 is concave downward, and the surface of the excrement collecting tray 5 is smooth. The downwardly concave excrement collecting tray 5 can concentrate the falling excrement, which is convenient for later concentrated cleaning. The surface of the excrement collecting tray 5 is smooth, which is convenient for the falling of the excrement.

[0031] Please refer to Figure 4 , the outside of the blocking side plate 6 is provided with a handle 7, and the handle 7 is designed as a whole "U" shape. The excrement collecting tray 5 and the blocking side plate 6 are slidingly connected with the cage body 1. The handle 7 drives the blocking side plate 6 to slide along the inner wall of the cage body 1, and the excrement collecting tray 5 can slide along the inner wall of the cage body 1.

[0032] Please refer to Figure 5 , the outside of the cage body 1 is uniformly provided with a ring-shaped rotating plate 8, and the ring-shaped rotating plate 8 is rotatably connected with the cage body 1. The ring-shaped rotating plate 8 can be rotated on the cage body 1, and the direction of the ring-shaped rotating plate 8 can be adjusted. The outside of the ring-shaped rotating plate 8 is provided with a side clamping plate 9, and the side clamping plate 9 is attached to the blocking side plate 6, and a counterweight 10 is arranged at the bottom of the ring-shaped rotating plate 8. The counterweight 10 is located at the bottom of the ring-shaped rotating plate 8 under the action of gravity, and the side clamping plate 9 is attached to the blocking side plate 6, thereby ensuring the stability of the connection between the cage body 1 and the blocking side plate 6 in the moving state, and facilitating the disassembly operation.

[0033] The experimental mouse stands on the top of the mesh partition 4 after being placed in the cage body 1, and the experimental mouse can avoid contacting the litter, and the excrement of the experimental mouse can fall into the inside of the manure collecting tray 5 through the mesh partition 4, the blocking side plate 6 is slid along the inner wall of the cage body 1 through the handle 7, the manure collecting tray 5 is slid along the inner wall of the cage body 1 through the hole, the annular rotating plate 8 on the cage body 1 can be rotated and the rotating direction of the annular rotating plate 8 can be adjusted, the counterweight 10 is located at the bottom of the annular rotating plate 8 under the action of gravity, and the side clamping plate 9 is attached between the blocking side plate 6.

[0034] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action, without necessarily requiring or implying that there is any such relationship or order between such entities or actions. Also, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A cage for experimental mice, characterized in that, Include: The cage body (1), and the upper cover (2) is arranged on the top of the cage body (1), and the inner cavity bottom of the cage body (1) is additionally provided with a manure collecting tray (5); The fixed side block (3) is arranged on the inner wall of the cage body (1), and the top of the fixed side block (3) is additionally provided with a mesh partition (4), the outer side of the cage body (1) is inserted with a blocking side plate (6), the outer side of the blocking side plate (6) is installed with a handle (7), the outer side of the cage body (1) is uniformly provided with a ring-shaped rotating plate (8), and the outer side of the ring-shaped rotating plate (8) is installed with a side clamping plate (9), the side clamping plate (9) is attached between the blocking side plate (6), and the bottom of the ring-shaped rotating plate (8) is additionally provided with a counterweight (10).

2. The experimental mouse breeding cage according to claim 1, characterized in that: The blocking side plate (6) is arranged corresponding to the position of the manure collecting tray (5), and a hole is formed in the outer side of the manure collecting tray (5).

3. The cage for breeding experimental mice according to claim 2, characterized in that: The handle (7) is "U" shaped, the manure collecting tray (5) and the blocking side plate (6) are slidingly connected with the cage body (1).

4. The cage for breeding experimental mice according to claim 1, characterized in that: The ring-shaped rotating plate (8) is rotatably connected with the cage body (1).

5. The cage for experimental mouse according to claim 4, wherein: The middle part of the manure collecting tray (5) is concave downward, and the surface of the manure collecting tray (5) is smooth.

6. The cage for breeding experimental mice according to claim 4, characterized in that: The upper cover (2) and the cage body (1) are connected by clamping.

7. The cage for experimental mouse according to claim 4, wherein: The surface of the mesh partition (4) is provided with a hollow mesh opening, the side edge of the hollow mesh opening is arc-shaped, the surface of the mesh partition (4) is smooth and sprayed with anticorrosive paint.

8. The cage for breeding experimental mice according to claim 4, characterized in that: The fixed side block (3) is uniformly arranged on the inner wall of the cage body (1), and the shape of the fixed side block (3) is matched with the shape of the four side walls of the cage body (1), the mesh partition (4) is placed above the fixed side block (3), and the two are attached to each other.