Rodent aerosol natural infection spreading infection cabin

By designing an infection chamber for the natural transmission of rodent aerosols, aerosol transmission is achieved through the chamber body, cover, and partitions, and urine is collected through a tray and slider structure. This solves the problems of aerosol transmission and urine collection in rodents within IVC cages, improving the accuracy and safety of the experiment.

CN223943483UActive Publication Date: 2026-02-27INST OF MEDICAL BIOLOGY CHINESE ACAD OF MEDICAL SCI
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Patent Information

Application Number
CN202520633760.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-02-27
Estimated Expiration
2035-04-07

AI Technical Summary

Technical Problem

The existing IVC cages make it difficult to achieve natural transmission of rodent aerosol infection, and there is a lack of effective urine collection devices, which affects the accuracy and reliability of experimental results.

Method used

Design a rodent aerosol natural infection transmission chamber, comprising a chamber body, a cover, a partition, and a collection mechanism. Aerosol transmission is achieved through through holes, and urine is efficiently collected through a tray and slider structure.

Benefits of technology

This method enables the orderly transmission of natural aerosol infection in rodents, ensuring experimental standardization and safety, while also efficiently collecting urine, thus improving the accuracy and reliability of experimental results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is suitable for the technical field of medical experiments, and provides a rodent aerosol natural infection spreading infection cabin which comprises a cabin body used for containing rodents. The partition plate is arranged in the cabin body and is used for partitioning space; the cabin cover is assembled on the cabin body through a hinge, and the cabin cover and the cabin body are locked in a matched mode through a clamping hook and a clamping buckle; the through holes are formed in the cabin body and the cabin cover and used for allowing aerosol to enter, so that natural aerosol infection of rodents is achieved; the separable collecting mechanism is arranged at the bottom of the cabin body and is used for receiving and collecting urine of animals. According to the rodent aerosol natural infection spreading infection cabin provided by the scheme, the problem that rodent aerosol natural infection spreading is difficult to realize in an IVC cage in the aspect of animal experiment equipment at present is solved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the medical experiment technical field especially, it relates to a kind of rodent aerosol natural infection transmission infection cabin. BACKGROUND

[0002] In the modern life science research field, the research of animal infectious disease transmission mechanism is very important. Rodents become indispensable experimental objects for studying infectious disease transmission because of their physiological characteristics similar to humans.

[0003] Currently, in the animal experiment equipment aspect, IVC cage is widely used in animal experiments due to its good isolation performance and effective control of feeding environment. However, there is currently a lack of equipment that can achieve aerosol natural infection transmission of rodents in IVC cages. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of rodent aerosol natural infection transmission infection cabin, to solve the problem that current animal experiment equipment is difficult to achieve aerosol natural infection transmission of rodents in IVC cage.

[0005] The utility model is realized as follows: a kind of rodent aerosol natural infection transmission infection cabin, comprising: a cabin for placing rodents;A partition plate is arranged in the cabin for separating space;A hatch is assembled on the cabin by a hinge, and the hatch and the cabin are locked by a latch and a buckle cooperation;A plurality of through holes are opened on the cabin and the hatch, for the entry of aerosol, to achieve aerosol natural infection of rodents;A detachable collection mechanism is arranged at the bottom of the cabin, and the collection mechanism is used to collect animal urine.

[0006] Preferably, the collection mechanism comprises: a tray arranged at the bottom of the cabin, the tray is provided with a through hole for guiding animal urine;A chute plate is symmetrically fixed on the tray;A sliding block is slidingly installed on the chute plate, and the sliding block is fixed with a collection box for collecting animal urine.

[0007] Preferably, the tray is provided with a limiting mechanism for limiting the sliding block, the limiting mechanism comprises: a sliding plate slidingly installed on the tray;A spring is arranged on the tray, and the bottom end of the spring is in contact with the sliding plate;A limiting block is fixed on the sliding plate, and the bottom end of the limiting block is connected with the sliding block.

[0008] Preferably, the bottom of the cabin is symmetrically fixed with a plug-in block, and the tray is symmetrically fixed with a recess block, and the recess block is matched with the plug-in block.

[0009] Preferably, a handle for gripping is symmetrically fixed on the tray, and a gripping sleeve is arranged on the handle.

[0010] Preferably, a through slot is arranged on the tray, and the through slot is matched with the sliding plate and the spring, and the sliding plate is fixed with a protruding block for limiting the spring.

[0011] Preferably, a limiting slot is arranged on the inner wall of the bottom of the cabin body and the bottom of the cabin cover, and the limiting slot is matched with the partition plate.

[0012] Compared with the related art, the aerosol natural infection and transmission infection cabin for rodents has the following beneficial effects:

[0013] Through the cabin body, the cabin cover, the partition plate and the like, the aerosol natural infection and transmission is ensured to be orderly performed, the collection mechanism can efficiently collect animal urine, and maintenance is convenient. The limiting slot and the plug-in block are designed, so that each component is accurately installed and positioned and is easy to operate. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 Fig. 1 is a front view structural schematic diagram of the aerosol natural infection and transmission infection cabin for rodents provided by the utility model;

[0015] Figure 2 Fig. 2 is a front view sectional view structural schematic diagram of the utility model;

[0016] Figure 3 Fig. 3 is an enlarged structural schematic diagram of part A shown in Fig. 1; Figure 2 Fig. 4 is a rear view structural schematic diagram of the utility model;

[0017] Figure 4 Fig. 5 is a collection box structural schematic diagram in the utility model.

[0018] Figure 5 Fig. 5 is a collection box structural schematic diagram in the utility model.

[0019] Fig. 1 is a front view structural schematic diagram of the aerosol natural infection and transmission infection cabin for rodents provided by the utility model; DETAILED DESCRIPTION

[0020] Reference to“an embodiment” herein means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase“in an embodiment” in various places in the specification are not necessarily referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is expressly understood that the embodiments described herein are merely example embodiments of the application and that substantive changes can be made thereto without departing from the intended application.

[0021] The rodent aerosol natural infection transmission infection cabin provided by the embodiments of the utility model has the advantages of being capable of simulating the aerosol natural infection transmission process of the rodent, being capable of distinguishing the roles of the animals in the transmission process, and being capable of providing suitable spaces for the animals in different roles. Figures 1-5 As shown in the figure, the rodent aerosol natural infection transmission infection cabin comprises a cabin body 1 for placing rodents, a partition plate 2 arranged in the cabin body 1 for separating space, a cabin cover 4 assembled on the cabin body 1 through a hinge 3, the cabin cover 4 and the cabin body 1 are locked through the cooperation of a clasp 5 and a buckle 6, a plurality of through holes 7 are opened on the cabin body 1 and the cabin cover 4 for the entry of aerosol to realize the aerosol natural infection of rodents, and a detachable collection mechanism is arranged at the bottom of the cabin body 1, the collection mechanism is used for receiving and collecting the urine of animals.

[0022] It should be noted that: in the field of modern life science research, the research on the transmission mechanism of animal infectious diseases is very important, rodents have certain similarity with human beings in physiological characteristics, and become indispensable experimental objects for studying the transmission of infectious diseases;

[0023] In the past, it is difficult to accurately simulate the aerosol transmission process under natural conditions when studying the transmission of infectious diseases. The existing animal infection experiment method cannot distinguish the roles of animals in the transmission process, that is, the contributors and the victims, so that the transmission rules of pathogens among animals in different roles cannot be clearly understood. In terms of experimental space utilization, there is a lack of scientific layout, and suitable spaces cannot be provided for rodents in different roles, which greatly affects the accuracy and reliability of experimental results.

[0024] In the embodiment, the infected rodent contributor animal is placed in a small space divided by the partition 2 in the cabin 1, and the victim animal to be infected is placed in a large space; the cabin cover 4 is closed, and the clamping hook 5 and the clamping buckle 6 are locked and positioned, and then the whole is placed in the IVC cage; the aerosol carried by the contributor animal is diffused through the through hole 7 on the cabin 1 and the cabin cover 4, so that the victim animal is naturally infected by the aerosol. During the experiment, the detachable collection mechanism at the bottom of the cabin 1 can collect animal urine; the problem that the natural aerosol infection and transmission of rodents cannot be achieved in the IVC cage is solved, the development of animal aerosol infection experiments is promoted, and the standard requirements are met: the related requirements of GB14925-2023 are met, the experimental standardization and safety are ensured, the natural aerosol infection and transmission are achieved, the animal urine can be collected, the partition 2 in the cabin 1 separates the space of the contributor and the victim animals, and the infection process is ensured to be orderly; the locking design of the cabin cover 4 and the cabin 1 ensures the sealing property, the through hole 7 design ensures the smooth transmission of the aerosol, and the natural infection process is facilitated.

[0025] In further preferable embodiments of the utility model, the collection mechanism comprises: a tray 8 arranged at the bottom of the cabin 1, a through hole 11 for guiding animal urine being arranged on the tray 8; a chute plate 12 fixed symmetrically on the tray 8; a sliding block 13 slidingly installed on the chute plate 12, a collection box 14 for collecting animal urine being fixed on the sliding block 13.

[0026] In the embodiment, the tray 8 is arranged at the bottom of the cabin 1, the through hole 11 on the tray 8 is aligned with the animal excretion area, and the urine is guided through the through hole 11; the collection box 14 is installed on the tray 8 by sliding cooperation of the sliding block 13 and the chute plate 12, and the animal urine guided through the through hole 11 is collected. When it is necessary to clean or replace the collection box 14, the collection box 14 can be pulled out; the through hole 11 is designed to quickly guide the urine, and the tray 8 and the collection box 14 are matched to efficiently collect the urine; the sliding block 13 and the chute plate 12 are slidingly connected, and the collection box 14 is conveniently pulled out and cleaned.

[0027] In further preferable embodiments of the utility model, the tray 8 is provided with a limiting mechanism for limiting the sliding block 13, and the limiting mechanism comprises: a sliding plate 15 slidingly installed on the tray 8; a spring 16 arranged on the tray 8, a bottom end of the spring 16 being in contact with the sliding plate 15; a limiting block 17 fixed on the sliding plate 15, and a bottom end of the limiting block 17 being clamped with the sliding block 13.

[0028] In this embodiment, the collection box 14 is slid into the slide plate 12 via the slider 13. The slide plate 15 is supported by the spring 16, and the limiting block 17 engages with the slider 13, thereby fixing the collection box 14 on the tray 8. When it is necessary to remove the collection box 14, the slide plate 15 is pushed upward to compress the spring 16, causing the limiting block 17 to disengage from the slider 13. The collection box 14 can then be easily removed by sliding the slider 13. The engaging cooperation between the limiting block 17 and the slider 13 effectively prevents the collection box 14 from shifting during the experiment.

[0029] In a further preferred embodiment of the present invention, a plug-in block 10 is symmetrically fixed to the bottom of the cabin 1, and a groove block 9 is symmetrically fixed inside the tray 8, the groove block 9 being adapted to the plug-in block 10.

[0030] In this embodiment, the plug-in block 10 is aligned with the groove block 9 in the tray 8 and can be inserted into the groove block 9 to complete the assembly. When it is necessary to disassemble the device, the compartment 1 is lifted upwards to cause the plug-in block 10 to separate from the groove block 9, thereby achieving the disassembly of the two.

[0031] In a further preferred embodiment of the present invention, the tray 8 is symmetrically fixed with handles 18 for gripping, and the handles 18 are provided with gripping sleeves.

[0032] In this embodiment, the design of the handle 18 greatly improves the ease of operation of the tray 8. When cleaning or moving the tray 8, the tray 8 can be easily moved by gripping the handle 18.

[0033] In a further preferred embodiment of the present invention, a through groove is provided on the tray 8, the through groove being adapted to the slide plate 15 and the spring 16, and a protrusion for limiting the spring 16 is fixed on the slide plate 15.

[0034] In this embodiment, the through groove provides precise positioning for the spring 16 and the slide plate 15, and the protrusion limits the spring 16 to prevent the spring 16 from shifting or tipping over, ensuring the stable and reliable operation of the limiting mechanism and improving the stability of the collection box 14.

[0035] In a further preferred embodiment of the present invention, a limiting groove is provided on the bottom inner wall of the cabin 1 and the bottom of the cabin cover 4, and the limiting groove is adapted to the partition 2.

[0036] In this embodiment, the matching design of the limiting groove and the partition 2 provides a precise installation position for the partition 2, ensuring the stability of the partition 2 within the chamber 1, preventing the partition 2 from shaking or shifting during the experiment, and ensuring accurate spatial division of the experimental animals.

[0037] In summary, compared with the related art, through the cabin body 1, the hatch 4 and the partition 2 and other structures, the natural infection and transmission of aerosol is ensured to be orderly, the collection mechanism can efficiently collect animal urine, and maintenance is convenient. The limiting groove, the plug-in block 10 and other designs make the installation and positioning of each component accurate and the operation simple.

[0038] It should be noted that the circuits, electronic components and modules involved in the present application are all prior art, and those skilled in the art can implement them without further description. The content protected by the present application does not involve improvement of software and methods.

[0039] In several embodiments provided by the present application, it should be understood that the disclosed device can be implemented in other ways.

[0040] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the protection scope of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art can combine, add or delete the features of the embodiments according to the circumstances without creative labor, so as to obtain different, but essentially not deviating from the concept of the present application. Other technical solutions, which also belong to the scope of protection of the present application.

Claims

1. A rodent aerosol natural infection transmission infection chamber, characterized in that, The utility model relates to a rodent aerosol natural infection device, which comprises the following parts: a cabin for placing rodents; a partition plate arranged in the cabin for separating space; a cabin cover assembled on the cabin through a hinge, and the cabin cover is locked with the cabin through a snap and buckle cooperation; a plurality of through holes opened in the cabin and the cabin cover for the entry of aerosol to realize aerosol natural infection of rodents; a detachable collection mechanism arranged at the bottom of the cabin, which is used for receiving and collecting urine of animals.

2. The rodent aerosol natural infection transmission enclosure of claim 1, wherein, The collection mechanism comprises: a tray arranged at the bottom of the cabin, wherein a through hole for guiding urine of animals is arranged on the tray; a sliding groove plate symmetrically fixed on the tray; a sliding block slidingly installed on the sliding groove plate, wherein a collection box for receiving urine of animals is fixed on the sliding block.

3. The rodent aerosol natural infection transmission enclosure of claim 2, wherein, A limiting mechanism for limiting the sliding block is arranged on the tray, and the limiting mechanism comprises: a sliding plate slidingly installed on the tray; a spring arranged on the tray, wherein the bottom end of the spring is in contact with the sliding plate; a limiting block fixed on the sliding plate, wherein the bottom end of the limiting block is in contact with the sliding block.

4. The rodent aerosol natural infection transmission enclosure of claim 2, wherein, The bottom of the cabin is symmetrically fixed with a plug-in block, and the tray is symmetrically fixed with a recess block, wherein the recess block is matched with the plug-in block.

5. The rodent aerosol natural infection transmission enclosure of claim 2, wherein, A handle for gripping is symmetrically fixed on the tray, and a gripping sleeve is arranged on the handle.

6. The rodent aerosol natural infection transmission enclosure of claim 3, wherein, A through groove is opened on the tray, wherein the through groove is matched with the sliding plate and the spring, and a convex block for limiting the spring is fixed on the sliding plate.

7. The rodent aerosol natural infection transmission enclosure of claim 1, wherein, A limiting groove is opened on the inner wall of the bottom of the cabin and the bottom of the cabin cover, wherein the limiting groove is matched with the partition plate.