116 results about "Laboratory rat" patented technology

The invention provides a safe laboratory mouse anesthesia device which comprises an anesthesia box, an opening is formed in the bottom of the anesthesia box, a rotatable laboratory mouse state detection mechanism is arranged on the bottom face of the anesthesia box, the laboratory mouse state detection mechanism is used for monitoring pressure generated by a laboratory mouse, and a pressure plate driving mechanism is arranged on the outer surface of the anesthesia box. During use, the laboratory mouse state detection mechanism is arranged at the bottom of the anesthesia box to support a laboratory mouse, and whether the laboratory mouse is in a standing state or a lying state is judged according to different contact areas of the laboratory mouse and the laboratory mouse state detection mechanism when the laboratory mouse stands and lies down through pressure values of unit areas; and when the laboratory mouse is in an anesthetic state, the laboratory mouse state detection mechanism is driven by the pressure plate driving mechanism to rotate to release the laboratory mouse, so that excessive anesthesia of the laboratory mouse is avoided, and the effect of improving the anesthesia safety is achieved.

The invention requests to protect an automatic laboratory mouse wound area tracking method and system based on image recognition, images of a wound area are regularly acquired through a multispectral imaging device, parameters such as ambient light and shooting distance are synchronously recorded in the acquisition process to ensure data consistency, the images are preprocessed by using a distributed computing system, and the data consistency is ensured. Inputting the preprocessed image into a deep segmentation model trained based on a large-scale data set to accurately identify and output a binarized contour mask of a wound region, calculating wound geometric features based on the mask, and dynamically generating a quantitative report including an area change rate and a healing trend coefficient; all time sequence data are stored in a time sequence database and used for constructing a complete wound healing track map, and visualization and trend analysis of the healing process are supported. According to the invention, high-flux, automatic and quantitative monitoring of the wound healing process of the laboratory mouse is realized, and objectivity and analysis efficiency of animal experiment data are remarkably improved.

The utility model relates to a water feeding structure for experimental animal feeding, which comprises a water inlet pipe, a water outlet pipe and a water outlet pipe, the drainage assembly is installed at the bottom of the water inlet pipe, and the drainage assembly is used for guiding water of the water inlet pipe into the cage. According to the water feeding structure for experimental animal feeding, the drainage assembly is arranged, water of the water inlet pipe can be guided into the drainage groove of the drainage block, opening and closing of the drainage groove are achieved through the locking mechanism, the hidden drinking design can avoid the problem that a water source is exposed in the air for a long time and is polluted and deteriorated, and the service life of the water feeding structure is prolonged. The problem that bacteria breed in the cage due to damp when the water basin is overturned can be avoided, and the water drinking requirements of a plurality of laboratory mice can be met at the same time.

The utility model relates to the technical field of experimental animal feeding device design, and discloses an easy-to-clean experimental mouse feeding cage which comprises a feeding box, a hollow inhabitation platform is arranged in the feeding box, and the inhabitation platform divides the feeding box into an inhabitation space and a dirt storage space in the vertical direction. The joints of the adjacent side walls in the inhabiting space and the joints of the inhabiting platform and the four walls in the inhabiting space are all in an arc-shaped connection mode, a box cover is arranged at the top of the feeding box, a guide groove is annularly formed in the top wall of the feeding box, a scraping plate is arranged on the inner side wall of the inhabiting space in an attached mode, the top end of the scraping plate is rotationally connected with a driving plate, and the driving plate is arranged in an L shape; the vertical part of the driving plate is inserted into the guide groove, a driving assembly is arranged in the guide groove, a collecting box is arranged at the inner bottom of the feeding box in a sliding mode, the collecting box is located below the hollowed-out through hole of the inhabiting platform, and a box door is hinged to the position, corresponding to the collecting box, of the feeding box. The cleaning device has the effect of improving the working efficiency of cleaning the laboratory mouse rearing cage.

The application provides a laboratory mouse tail skinner and an operating method thereof, which comprises a base, a cutting mechanism comprising a first assembly ring and a plurality of cutting assemblies, any cutting assembly comprising a first mounting seat and a cutting knife, the cutting knife being arranged on the first mounting seat and extending towards the center of the first assembly ring, and a skinning mechanism comprising a second assembly ring and a plurality of skinning assemblies, the second assembly ring being arranged concentrically with the first assembly ring, and the skinning assembly comprising a second mounting seat and a skinning knife, the skinning knife being connected to the second mounting seat and facing along the axial direction of the second assembly ring. The application replaces manual operation of a handheld blade with a mechanical structure, effectively avoiding the safety hazard of a sharp blade scratching the fingers of a laboratory worker. In addition, the application has a simple body structure and is convenient to assemble, can flexibly adjust the positions of the cutting assemblies and the skinning assemblies according to laboratory mouse tails of different specifications, has a wide range of applications, and has high practicality and promotional value.

The invention discloses a laboratory mouse feed and a preparation method thereof. The feed consists of the following raw materials in percentage by weight: 32-38% of corn flour, 22-28% of fermented soybean meal, 8-12% of fish meal, 4-6% of silkworm chrysalis meal, 10-15% of low-gluten wheat flour, 2-3% of purple perilla seed oil, 1.5-2.5% of calcium carbonate, 0.8-1.2% of calcium hydrophosphate, 0.3-0.5% of table salt, 0.8-1.2% of microencapsulated compound vitamins, 0.2-0.4% of an enzyme preparation compound, 3-5% of dietary fibers and the balance of mineral premix. The preparation method has the beneficial effects that the vitamin retention rate of the technical scheme is increased by 30-40% compared with a contrast, and the problem of nutrient loss caused by a traditional high-temperature process is solved; the water uniformity is improved by 68% through gradient cooling, the quality guarantee period is prolonged from 50 days to 85-95 days in combination with a microencapsulation technology, and the storage loss is reduced.

The utility model discloses a rat binding device for experimental acupuncture, which comprises a bottom plate, a first support frame is fixedly mounted at one end of the top of the bottom plate, a second support frame is fixedly mounted at the other end of the top of the bottom plate, a placing component is rotatably mounted between the first support frame and the second support frame, and the outer side of the placing component is in meshed connection with a turnover component. The fixing assembly is installed in the middle of the top face of the containing assembly, the adjusting assemblies are fixedly installed at the two ends of the two sides of the containing assembly, and the binding assemblies are fixedly installed at the tops of the adjusting assemblies and the tops of the containing assembly. An experimenter can easily turn a rat from a supine position to a prone position, and acupuncture points of different parts can be conveniently and quickly exposed; through the adjusting assembly, it is ensured that the laboratory mouse is stably and comfortably fixed, and it is avoided that the accuracy of acupuncture operation and the reliability of experimental data are affected due to infirm fixing.

The utility model discloses an automatic feeding device for laboratory mice, which belongs to the technical field of automatic feeding and comprises a bottom plate, a quantitative feeding mechanism is arranged above the bottom plate, and an alarm mechanism is arranged above the bottom plate. The quantitative feeding mechanism is arranged, the alternating-current power supply box supplies power to the electric actuator, the direct-current power supply box and the slide rheostat are matched to provide 4-20 mA electric signals for the electric actuator, the resistance value of the slide rheostat can be adjusted according to different weights of laboratory mice, and therefore the direct current is adjusted, and the feeding efficiency is improved. The opening degree of a valve is adjusted through an electric actuator, the feeding amount of laboratory mice with different weights is adjusted, meanwhile, an alarm mechanism is further arranged, when food is little, the weight of the food cannot press a sliding plate downwards by an enough distance, an alarm rod cannot make contact with an alarm, and when the alarm rod does not make contact with the alarm, the alarm triggers an alarm, and the alarm rod cannot make contact with the alarm. And a worker is reminded of insufficient food in the storage tank, so that the worker can add the food in time.

This utility model relates to a simple experimental mouse fixation and tail vein injection device, including a fixation platform, a transparent isolation cover, and a tail fixation component. The transparent isolation cover is used to cover the experimental mouse on the fixation platform. An isolation cover notch is formed at the edge of the open end of the transparent isolation cover, through which the tail of the experimental mouse protrudes. The tail fixation component is used to fix the protruding tail of the experimental mouse on the fixation platform. This utility model combines experimental mouse fixation, tail fixation, and visual monitoring, achieving a dual improvement in drug administration accuracy and simplified experimental operation. It can be operated by a single person and is suitable for precise drug delivery and real-time image monitoring in small animal experiments, possessing high practical value and promising prospects for widespread application.

The invention relates to the technical field of orthodontic tooth movement in animal experiments, in particular to a mouse orthodontic tooth movement model and a construction method thereof, and the mouse orthodontic tooth movement model comprises a traction assembly and an anchorage nail; the laboratory mouse is provided with a maxillary bone, second molar teeth growing on the maxillary bone and incisors growing on the maxillary bone, first molar teeth of the laboratory mouse are extracted, and an avoiding space is formed in front of the second molar teeth after the first molar teeth are extracted; the anchorage nail is connected to the maxillary bone and is positioned between the second molar and the incisors; the anchorage nail is fixed after being implanted into the maxillary bone, so that the position change of the traction assembly caused by connecting the traction assembly to the incisors can be avoided; the traction assembly is arranged between the second molar and the anchorage nail, the front end of the traction assembly is connected with the anchorage nail, the rear end of the traction assembly can penetrate through the avoiding space and is connected with the second molar, the second molar is used as an experimental moving tooth, and the movement rule of human clinical orthodontic teeth can be better simulated.

The present application relates to a kind of multifunctional intelligent ecological cabin for depriving the sleep of mouse, including bearing box, protective end cap, drive pump, multi-way valve, forced bearing platform and drive circuit, bearing box upper end surface is connected with protective end cap, forced bearing platform is connected with the bottom of bearing box and is vertically distributed, bearing box bottom is equipped with a sewage outlet, lower half of side wall is equipped with a water inlet, sewage outlet, water inlet are all communicated with multi-way valve, multi-way valve is communicated with drive pump, drive pump and drive circuit are all located the outside surface connection of bearing box.Its use method includes three steps of system assembly, preliminary experimental operation and depth experiment.The present application is flexible on one hand experimental means, can effectively meet the needs of various prompting experimental mouse to participate in experiment, and effectively improve the experimental effect and experimental efficiency of experimental mouse sleep deprivation experiment;On the other hand, it effectively simplifies the labor intensity of experimental operation and equipment maintenance operation, while effectively improving the working environment of experimental mouse sleep deprivation experiment.

The invention relates to a construction method of an experimental autoimmune prostatitis rat model. The construction method comprises the following steps: S1, preparing a prostate specific antigen mixture; s2, selecting male SD rats as laboratory rats, and dividing the laboratory rats into a normal saline control group, a low-dose model group and a high-dose model group; s3, continuously injecting for 7 days, allowing the normal saline control group to accept injection of 0.2 ml of normal saline every day, allowing the low-dose model group to accept injection of 0.1 ml of prostate specific antigen mixture every day, and allowing the high-dose model group to accept injection of 0.2 ml of prostate specific antigen mixture every day; and S4, continuously feeding all groups of experimental mice to the 28th day, inducing the experimental mice in the low-dose model group and the high-dose model group by the prostate specific antigen mixture to cause experimental autoimmune prostatitis, and obtaining the experimental autoimmune prostatitis rat model. The use of animals can be reduced, the cost is reduced, and the modeling efficiency and stability can be improved.

The utility model belongs to the field of biological experiment instruments, and discloses an auxiliary device suitable for electroacupuncture intervention of acupuncture points on the head and the back of an experimental mouse. The auxiliary device comprises an experiment box and a bridle, wherein the experiment box is provided with a moving cavity for the laboratory mouse to move; the band is annular and is sleeved and tightened on the abdomen of the laboratory mouse, so that acupuncture points on the head and the back can be completely exposed in front of researchers, and the electric needles can conveniently pierce the acupuncture points on the head and the back of the laboratory mouse. The electric needle wire penetrates into the binding ring of the binding belt and is connected with the electric needle penetrating into the acupuncture points of the head and the back of the laboratory mouse, so that the electric needle wire is fixedly attached to the back of the laboratory mouse through the binding belt, and the laboratory mouse can be prevented from scratching and biting to affect the experiment. After the experimental mouse with the bridle is put into the experimental box, the experimental box can provide a limited environment in which the experimental mouse can move in a small range for the experimental mouse, so that the stimulation and environmental pressure on the experimental mouse are reduced, the anxiety or depression probability of the experimental mouse can be reduced, and the experimental mouse can be effectively intervened for a long time.

The utility model discloses a preclinical test AD mouse modeling tool which comprises a tool body, one side of the tool body is fixedly connected with a cylinder, an arc-shaped plate is arranged in the cylinder, one side of the arc-shaped plate is provided with a first screw rod, one side of the tool body is symmetrically and fixedly connected with bearing plates, and the bearing plates are fixedly connected with the cylinder. Second screw rods are symmetrically and rotationally connected to one side of the interior of the bearing plate, sliding plates are in threaded connection with the outer sides of the second screw rods, third screw rods are in threaded connection with the interiors of the sliding plates, fixing seats are rotationally connected to one ends of the third screw rods, and the sliding plates are in threaded connection with the third screw rods by rotating the third screw rods. And the head of the laboratory mouse can be conveniently clamped by rotating the clamping plate, the situation that the laboratory mouse shakes in the molding process and the molding effect is affected is prevented, rapid molding is facilitated through the overall structure, and the molding efficiency is greatly improved.

The invention relates to an efficient energy supply type laboratory mouse feed which comprises the following components in percentage by weight: 20-40% of corn, 10-30% of wheat, 1-5% of wheat middling, 4-10% of soybean meal, 2-8% of fish meal, 2-6% of chicken meal, 1-10% of soybean hull, 1-5% of soybean oil, 1-5% of lard, 0.5-2% of stone powder, 0.5-1.5% of calcium hydrophosphate, 2-5% of premix, 1-5% of MCT microcapsule powder and 0.5-2% of glutamine. The stability of MCT is improved through a microencapsulation method, the activity of glutamine is reserved through an embedding method, the synergistic effect of MCT microcapsule powder and glutamine is utilized, meanwhile, lard oil and fat raw materials are added, high-temperature steam is used for curing materials in the production process, the fragrance of the feed is further improved, the palatability of the feed is jointly improved, the food intake of laboratory mice is not affected, and the production cost is reduced. The utilization efficiency of the feed is improved; the experimental mouse feed can reduce body fat and improve blood lipid level, can effectively prolong exhaustion time of mice, and is suitable for cultivation and maintenance of special experimental animals such as intestinal injury models and immunodeficiency models.

The invention discloses a state recognition method of an adaptive gene editing laboratory mouse, and aims to solve the problem of insufficient state recognition specificity of the gene editing laboratory mouse in the prior art. The method comprises the following steps: acquiring genotypes, disease model types and experimental environment parameters of laboratory mice; optimizing detection and optical flow analysis parameters, generating a time sequence behavior track map and segmenting a key area; extracting general and pathological specific composite features and standardizing the general and pathological specific composite features; calling a genotype pathological feature association database to calibrate a weight and a threshold value, and inputting a random forest classifier recognition state of transfer learning optimization; scores are calculated through a weighted scoring model, the state is judged, and credibility is calculated through a multi-dimensional confidence evaluation model. The method is suitable for various gene editing laboratory mice and experimental environments, the accuracy and suitability of state recognition are improved, and powerful support is provided for gene therapy research and development and disease mechanism research.

The invention discloses an experimental mouse grain crushing device with a multi-cavity structure, and relates to the technical field of mouse grain processing, the experimental mouse grain crushing device comprises a pre-crushing bin, a conveying bin and a crushing bin, the conveying bin is fixedly connected to the bottom of the pre-crushing bin, the crushing bin is fixedly connected to the bottom of the conveying bin, and two pre-crushing rollers are rotatably connected to the interior of the pre-crushing bin; the back face of the pre-crushing bin is fixedly connected with a first motor, an output shaft of the first motor is fixedly connected with the rear end of one of the pre-crushing rollers, the anti-blocking mechanism is arranged in the pre-crushing bin, and the anti-blocking mechanism comprises two transverse supporting beams fixedly connected to the two sides of the bottom end in the pre-crushing bin; and a vertical frame is fixedly connected to the bottom end of the interior of the pre-crushing bin, a reset spring is fixedly connected to the upper end of the vertical frame, and a connecting frame is fixedly connected to the front end of the reset spring, so that the problem that mouse food is prone to rolling when making contact with the roller surface, and mouse food pre-crushing treatment is affected is solved.

The application discloses a retinal light damage box experimental device for observing mouse visual dynamic response, which comprises a reflecting box body, a box cover hinged to one side of the top end of the reflecting box body, the box cover being matched with the reflecting box body, a light irradiation assembly fixedly connected to one side of the box cover close to the inside of the reflecting box body, the inner wall of the reflecting box body being used for reflecting the light emitted by the light irradiation assembly, the light irradiation assembly being electrically connected with a control system, a frequency adjusting assembly fixedly connected to the middle of the bottom end of the reflecting box body, the frequency adjusting assembly being covered on a placing table, the frequency adjusting assembly being correspondingly arranged on the inner wall of the reflecting box body, and a placing assembly fixedly connected to the middle of the top end of the placing table, the experimental mouse being placed in the placing assembly, the light irradiation assembly and the frequency adjusting assembly being correspondingly arranged on the placing assembly. The application realizes dynamic observation of the light damage condition of the experimental animal, avoids repeated experiments, shortens the experimental period and improves the experimental efficiency.

The application relates to a method for constructing an experimental autoimmune prostatitis rat model, which comprises the following steps: S1, preparing a prostate specific antigen mixture; S2, selecting male SD rats as experimental rats and dividing the rats into a physiological saline control group, a low-dose model group and a high-dose model group; S3, continuously injecting for 7 days, wherein the physiological saline control group receives 0.2ml of physiological saline injection every day, the low-dose model group receives 0.1ml of the prostate specific antigen mixture injection every day, and the high-dose model group receives 0.2ml of the prostate specific antigen mixture injection every day; and S4, continuing to feed all the experimental rats in the groups until the 28th day, wherein the experimental rats in the low-dose model group and the high-dose model group are induced by the prostate specific antigen mixture to cause experimental autoimmune prostatitis, and an experimental autoimmune prostatitis rat model is obtained. The method can not only reduce the use of animals and the cost, but also improve the modeling efficiency and stability.

The utility model discloses an experimental mouse fundus blood sampling device which comprises a capillary blood sampling tube, an anticoagulation tube and a handheld part, and a plane blood sampling opening is formed in one end of a tube body of the capillary blood sampling tube; a positioning plate is arranged at one end of a pipe body of the anticoagulation pipe, the other end of the pipe body of the capillary blood taking pipe penetrates through the positioning plate and extends into the pipe body of the anticoagulation pipe, and air holes are formed in the side face of a plate body of the positioning plate; the other end of the tube body of the anticoagulation tube is installed on the handheld part, and the handheld part is further provided with an illumination part facing the plane blood taking opening. According to the utility model, all the extruded fundus blood can enter the anticoagulation tube, and the condition that the blood sample is polluted by fallen hair is reduced.

The invention provides a visual quantitative gavage device for laboratory mice, and particularly relates to the technical field of biological experiment instruments.The visual quantitative gavage device comprises a fixed bottom plate, a supporting frame is fixedly connected to the center of the top face of the fixed bottom plate, the laboratory mice are restrained in the mode that the belly faces downwards in the laboratory mouse restraining process, and the situation that when an experimenter manually restrains the laboratory mice, the laboratory mice are restrained by the supporting frame is avoided; according to the lavage device, four limbs of an experimental mouse easily scratch the hand of an experimenter, after the experimental mouse is restrained and fixed, the body of the experimental mouse can be automatically turned over by 180 degrees, so that the experimental mouse is finally inclined upwards, and the experimenter can conduct lavage operation conveniently, and compared with the mode that the experimental mouse is manually held by hand and then the abdomen of the experimental mouse is inclined upwards, the lavage operation is more convenient. The automatic rotating mode is more convenient, the laboratory mouse can be stably kept in the overturned posture, the situation that in the prior art, lavage operation is unstable only by holding the laboratory mouse manually is avoided, and the stability and safety of lavage operation of the laboratory mouse are improved.

The utility model relates to the technical field of experimental animal feeding devices, and discloses a non-contact experimental mouse feeding cage which comprises a cage body, a cage cover is arranged at the top of the cage body, ventilation mesh holes are formed in the cage cover, a hollow inhabiting platform is arranged in the cage body, a dirt collecting groove is slidably formed in the bottom in the cage body and located under the inhabiting platform, and the inhabiting platform is arranged in the cage body. A transfer opening is formed in the side wall of the cage body on one side of the inhabiting platform, a transfer door covering the transfer opening is arranged on the outer side wall of the cage body, a transfer channel is connected to the side, away from the cage body, of the transfer door, the transfer door communicates with the transfer opening and the transfer channel, and the interior of the transfer door is hollow; a plurality of blocking door plates are slidably arranged on the side wall, close to one side of the transfer opening, in the transfer door, the blocking door plates are annularly distributed around the center of the transfer opening, and a driving assembly for driving the blocking door plates to synchronously slide towards the transfer opening in a reciprocating mode is arranged on the transfer door. The method has the effect of improving the feeding safety of the laboratory mice.

The utility model discloses a mouse cage, which relates to the technical field of experimental equipment, and comprises a cage body, a rotating column and a plurality of partition plates, and the cage body is provided with a cavity with an opening at the upper end; the rotating column extends in the vertical direction and penetrates through the cage body, and a plurality of mounting parts are arranged on the peripheral side of the part, located in the cavity, of the rotating column at intervals; the plurality of partition plates are detachably mounted on the plurality of mounting parts respectively, and the plurality of partition plates divide the cavity into a plurality of feeding areas; according to the technical scheme, the multiple partition plates are installed on the rotating column, so that the cavity is divided into the multiple feeding areas, the multiple feeding areas are relatively independent, multiple laboratory mice can be fed at the same time, and the technical effect that the multiple laboratory mice can be independently fed through one mouse cage is achieved.

The utility model discloses a device convenient for exploring laboratory mouse habits, which comprises a laboratory mouse habit exploring device, a plurality of independent control cabins are arranged in an upper box body of the laboratory mouse habit exploring device at equal angles, and ventilation openings are arranged above the outer arc-shaped side walls of the independent control cabins in a matched mode. A plurality of independent control cabins are arranged on the experimental mouse habit exploration device, humidity controllers and controllable illuminating lamps are arranged in top covers of the independent control cabins at equal angles, temperature control tubes are arranged at the bottoms of the independent control cabins, the independent control cabins are communicated with the central multi-through groove, the experimental mouse habit exploration device is provided with the independent control cabins, and each independent control cabin can achieve simulation of different environments. In this way, the adaptive capacity of the mouse to the environment can be better explored, different external environments can generate different environmental stimuli to the mouse, the external environments can well induce the animal to generate immune response aiming at the myelin sheath component of the central nervous system (CNS), research data can be well compared, and the research result is more accurate. And the data accuracy is higher.

An integrated CUMS reaction box comprises a box body, at least two spaces for independently bearing mouse cages are arranged in the box body, laboratory mice are arranged in the mouse cages, a box door is movably connected to the side face of the box body, and each space of the box body is correspondingly provided with a lighting mechanism, a sound production mechanism, a heating mechanism, a support mechanism and a water supply mechanism which are used for the mouse cages. The lighting mechanism, the sound production mechanism, the heating mechanism, the support mechanism and the water supply mechanism are integrated in a single box body, various pressure stimulations can be performed on laboratory mice in a mouse cage of the single box body, on one hand, various independent experiment devices are integrated, and the situation that a large space is occupied during an experiment is avoided; 2, the physical stress reaction of the experimental mouse is prevented from being increased by transferring the experimental mouse, and the operation complexity is reduced; and thirdly, variable parameters in the box body are convenient to adjust, the accuracy of parameter regulation and control is improved, and the consistency of experimental results is improved.

The utility model relates to the technical field of experimental animal model feed, and discloses an experimental mouse selenium deficiency model feed powder mixing machine which comprises a first supporting frame, a first stirring tank is installed at the top of the first supporting frame, the top of the first stirring tank is communicated with a connecting pipe, a filter plate is fixedly connected into the connecting pipe, and a second stirring tank is installed at the top of the first supporting frame. The top of the connecting pipe communicates with a second stirring tank, a second motor is installed in the middle of the top end of the second stirring tank, the output end of the second motor is fixedly connected with a rotating short column, the bottom of the rotating short column penetrates through the top of the second stirring tank, and a plurality of stirring rods are fixedly connected to the outer side of the rotating short column at equal intervals. Materials enter the second stirring tank from the feeding pipe, the second motor is started, the rotating short column drives the stirring rod to rotate, the materials are mixed preliminarily and evenly, the materials flow to the first stirring tank through the connecting pipe, the filter plate in the connecting pipe filters the materials, uniformity is guaranteed, and working efficiency is improved.

The utility model relates to the technical field of laboratory mouse cages, in particular to a clamping type quick-disassembly laboratory mouse cage body structure, and aims to solve the problem that a cage body is inconvenient to disassemble, the clamping type quick-disassembly laboratory mouse cage body structure comprises a bottom shell and a disassembly mechanism, the disassembly mechanism is arranged above the bottom shell, and the disassembly mechanism comprises a top shell arranged above the bottom shell; two T-shaped sliding grooves are formed in the upper surface of the bottom shell, and the inner wall of each T-shaped sliding groove is slidably connected with a T-shaped sliding strip. Through cooperation of a tension spring, a U-shaped plate and an insertion plate, the insertion plate can move up and down, then positioning of the top shell can be relieved after the insertion plate moves upwards, through cooperation of a T-shaped sliding groove and an elastic sliding strip, the top shell moves in the direction of the T-shaped sliding groove, the top shell can be rapidly separated from the bottom shell, the top shell can be detached conveniently, and the practicability is high. The frame body can be positioned through the spring pieces, so that the frame body can slide upwards when being pulled, the mouse separation net can be conveniently detached, and the interior of the mouse separation net can be conveniently cleaned.

The utility model discloses an activity limiting device for an experimental animal, relates to the technical field of experimental equipment, and aims to solve the technical problem that the existing activity limiting device for the experimental animal is poor in applicability. The two ends of the supporting frame are each provided with a sawtooth strip adjusting assembly, a restraining sleeve is restrained through the sawtooth strip adjusting assemblies, the restraining sleeve is of a two-section type, and the front section of the restraining sleeve is slidably connected into the supporting frame. The two-end type restraining sleeve is arranged, so that the front section of the restraining sleeve is connected into the supporting frame in a sliding mode, the front section of the restraining sleeve is restrained through the sawtooth strip adjusting assemblies on the two sides of the restraining sleeve, and therefore the front section of the restraining sleeve is connected into the supporting frame in a sliding mode. The position of the front section of the restraining sleeve can be rapidly adjusted, rapid locking can be achieved after adjustment, the applicability is high, and laboratory mice with different body lengths can be rapidly restrained.

The embodiment of the utility model provides a laboratory mouse plantar swelling measuring device, and relates to the technical field of plantar swelling measurement. The experimental mouse plantar swelling measuring device comprises a fixing table, a placing table is arranged on the surface of the fixing table, the placing table is arranged in a mounting groove formed in the inner surface of the fixing table in a sliding mode, arc-shaped plate bodies are movably installed on the two sides of the end of the placing table, and the arc-shaped plate bodies are arranged in the mounting groove. Elastic tightening assemblies used for flexibly limiting the mouse feet are arranged on the periphery of the end of the fixing table, and each elastic tightening assembly comprises a mounting shaft rod and a rolling pull rope surrounding the surface of the mounting shaft rod. The device can effectively fix laboratory mice of different specifications under the condition that the laboratory mice are not damaged, the activity range of the laboratory mice is reduced, the safety of experimenters is ensured, and the accuracy and repeatability of experiments are improved.