484 results about "Small animal" patented technology

The invention discloses a multi-modal imaging system and method for a small animal living body. The system comprises a multi-modal fusion imaging module which is responsible for multi-modal image acquisition and primary processing; the real-time dynamic monitoring module is used for capturing bioluminescence / fluorescence signals in real time through a photon counting detector, receiving optical, nuclear medicine and magnetic resonance data, correcting motion artifacts based on a multi-scale space-time registration engine and adjusting scanning parameters through a real-time pharmacokinetic-physiological feedback mechanism; the low-radiation and biological compatible module is used for automatically optimizing the dosage of a tracer agent according to the weight of the animal, the scanning part and historical data by using a dosage prediction model; and the multi-modal data fusion module is used for performing non-rigid registration of multi-modal images based on a Transform cross-modal registration network, constructing a multi-species pharmacokinetic knowledge graph by utilizing multi-species metabolism chip data, integrating mouse, dog, primate and humanized liver chip data, and mining a cross-species metabolism rule through a graph neural network.

The utility model relates to a pipeline water outlet structure, which belongs to the technical field of pipeline water outlets and comprises a round pipe and a water guide plate, the water guide plate is fixedly mounted at one end of the round pipe, a baffle is rotatably mounted at the lower end of the water guide plate, a spiral connecting plate is fixedly mounted on the inner side of the round pipe, a fixing plate is fixedly mounted on the outer side of the round pipe, and round holes are formed in two sides of one end of the fixing plate. Impact force generated by resetting of the baffle is buffered through the spring and the rubber buffer pad, the baffle is prevented from being damaged, the service life of the baffle is prolonged, small animals such as mice and squirrels on the ground can be blocked by arranging the baffle, and when the drainage pipe does not drain water, the small animals can be prevented from entering the drainage pipe along the pipe drainage port, and the drainage pipe is protected. And the rotating round pipe is connected with the telescopic pipe in a clamped mode through the spiral connecting plate, connection is convenient and fast, and installation is convenient.

The invention provides an animal invasion alarm method and device, electronic equipment and a readable storage medium. The method comprises the following steps: acquiring monitoring data of a target area; under the condition that it is determined that an animal exists in at least one of the first target area and the second target area according to the monitoring data, the hazard risk level of the animal is determined, and the hazard risk level is used for representing the possibility of causing harm to the target area after the animal invades; and determining a corresponding area alarm strategy according to the hazard risk level, and executing an alarm operation according to the area alarm strategy. According to the application, the target area can be comprehensively monitored, a monitoring blind area is avoided, small animal invasion can be found in the first time, measures can be taken in time, and the operation stability and safety of the target area are improved.

The invention discloses a method for constructing an atrial fibrillation small animal model through succinic acid induction and application, and the method comprises the following steps: in an animal model construction period, enabling a small animal to ingest an aqueous solution containing succinic acid or all pharmaceutically acceptable salts of succinic acid every day, and finishing the modeling period to obtain the animal model. Compared with a traditional angiotensin AngII administration method, the atrial fibrillation small animal model has the advantages that the cost of a medicine for constructing the animal model is lower, the economic benefit is higher, and the atrial fibrillation induction effect is better; the model represents the most common atrial fibrillation type in clinic, and compared with an acute transient atrial fibrillation model, the research and application range is wider; compared with tail vein injection, intraperitoneal injection, subcutaneous pump burying and other modes, the non-creative model has the advantages that damage to small animals is smaller, and the requirement for the operation technology is low.

The invention relates to the technical field of magnetic resonance, in particular to a multi-nuclear magnetic resonance coil device for small animals and a magnetic resonance system.The multi-nuclear magnetic resonance coil device comprises a first coil assembly, a second coil assembly, a third coil assembly and a fourth coil assembly, the resonant frequencies of the first saddle-shaped coil and the first solenoid coil correspond to a first atomic nucleus; the second coil group comprises a second saddle-shaped coil and a second solenoid coil which extend on a second cylindrical surface, and the resonant frequencies of the second saddle-shaped coil and the second solenoid coil correspond to second atomic nucleuses different from the first atomic nucleuses; the second cylindrical surface is coaxially positioned on the inner circumferential side of the first cylindrical surface; and the examination cavity is configured on the inner peripheral side of the second cylindrical surface and is used for accommodating the small animal.

The invention discloses a small animal in-vivo multi-parameter dynamic monitoring method based on photoacoustic imaging, and relates to the technical field of biomedical imaging, and the method comprises the steps: obtaining a photoacoustic signal generated by a small animal under the excitation of pulse laser output by an optical excitation module through an acoustic detection module; reconstructing a photoacoustic image of the photoacoustic signal through a filtering back projection algorithm; calculating the similarity between adjacent images in the photoacoustic image, identifying the image of which the similarity is lower than a set frame threshold value as a cross section slice polluted by respiratory motion artifacts and removing the cross section slice, and replacing the removed image frame by using the interpolation of an adjacent artifact-free image so as to obtain an updated photoacoustic image; selecting a region of interest in the photoacoustic image, and carrying out oxygenation kinetics monitoring, pharmacokinetics monitoring, perfusion kinetics monitoring or nanoparticle in-vivo kinetics monitoring; according to the monitoring method, motion artifacts caused by breathing of the small animals are effectively inhibited, and in-vivo multi-parameter dynamics monitoring of the small animals is achieved.

The utility model provides an animal ear tag, relates to the technical field of positioning tags, and aims to solve the problems that an existing RFID tag suitable for a small animal is implanted under the skin of the animal in an intrusive injection mode, operation is inconvenient, and use limitation is large. Comprising an ear tag body and an induction box, the ear tag body comprises a first bent edge and a second bent edge which are arranged in pairs, and the first bent edge and the second bent edge both extend towards the middle line direction of the ear tag body; the induction box is provided with a first connecting hole and a second connecting hole which are arranged in pairs, the first connecting hole and the second connecting hole are located in the two opposite side faces of the induction box respectively, the positions of the first connecting hole and the second connecting hole correspond to the positions of the first bent edge and the second bent edge, the first bent edge is inserted into the first connecting hole, and the second bent edge is inserted into the second connecting hole. The second bent edge is inserted into the second connecting hole; the ear tag body is provided with an identification area. The device is convenient to operate, and has both naked eye readability and machine readability.

The invention relates to the technical field of animal experiments, and provides a small animal experiment operation platform which comprises a platform body, the platform body comprises an operation area used for placing small animals for experiment operation, vertical rods are evenly arranged on the bottom side of the operation area in a penetrating mode, and each vertical rod can independently ascend and descend. The operation platform further comprises a plurality of pressing pieces used for being arranged on the vertical rods in a sleeving mode to press and fix the small animals. After a small animal to be experimented is placed in the operation area, a fixing part is determined according to the actual size of the small animal body and the experimental design, then the vertical rods near the fixing part are sequentially selected and moved upwards by a certain distance, and then the vertical rods moving upwards are sequentially sleeved with pressing pieces matched with the fixing part. The vertical rods which are uniformly distributed in a dot-matrix manner are used as fixing anchor points, and then the pressing sheet is sleeved on the fixing anchor points for pressing and fixing, so that the fixing requirements of different body sizes and custom fixing parts are met, and the flexibility and the accuracy of small animal experiment operation are greatly improved.

The invention belongs to the technical field of animal model construction, and particularly relates to a non-alcoholic fatty liver disease mouse model based on humanized PNPLA3 I148M transgene as well as a construction method and application thereof, the construction method comprises the following steps: step i: designing CDS of a human gene and a key 3 'UTR element for patent medicine of a small nucleic acid drug in gene plasmid DNA of the constructed model; step ii, using Luc2 or iRFP to report gene expression in the gene plasmid DNA for constructing the model; and (iii) a disease model of the fatty liver disease induced by combining plasmid DNA transient transfer with high-fat diet. The mouse model constructed by the invention has the advantages that a specific exogenous gene expression signal of the liver is detected in real time through small animal living imaging, a human PNPLA3 protein is detected and overexpressed through serum ELISA, PNPLA3 I148M mRNA is detected and overexpressed through liver RT-qPCR, the phenotype of the non-alcoholic fatty liver disease of the liver is determined through 15-week-old pathology, and the whole process of modeling for 8 weeks does not need to be operated in a biosafety secondary laboratory.

The invention belongs to the technical field of sampling and screening, and discloses a sampling and screening device for benthonic animals in a fresh water body, which comprises a working shell, one side of the working shell is communicated with a rectangular shell, the top of the working shell is fixedly connected with a traction rope, one side of the outer wall of the rectangular shell is fixedly connected with a flexible filter screen, and the sampling and screening device further comprises a sampling and screening mechanism, the sampling and screening mechanism comprises a square shell fixedly connected to the two ends of one side of the outer wall of the working shell, one side of the inner wall of the square shell is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating shaft, and the working shell also drives the rectangular shell and the flexible filter screen to move together. And on the flexible filter screen, small animals at the water bottom can be screened by a screen opening of the flexible filter screen and enter the working shell, so that the sampling of the animals is completed. After entering the working shell, the animals further enter the working shell through the sampling shell. Small animals and silt can be filtered and discharged through the filtering holes in the inner wall of the sampling shell, so that the collected objects are effectively screened.

The utility model relates to the technical field of electric meter boxes, in particular to an outdoor electric meter box which comprises a box body, a supporting rod is fixedly connected to the top of the box body, a rain baffle is fixedly connected to the top end of the supporting rod, flow guide grooves are formed in the top of the rain baffle, and the flow guide grooves are sequentially arranged from front to back. The electric meter box further comprises a blocking mechanism and an absorbing mechanism, a first net plate is arranged on the inner side of the rainproof cover, so that insects or small animals cannot enter the box body from the heat dissipation opening, then a second net plate is arranged, the insects or small animals are prevented from entering the box body from the work box, foreign matter can be prevented from entering the electric meter box, and the service life of the electric meter box is prolonged. The electric power short circuit risk is reduced, the use effect of the electric meter box is improved, and in rainy days, moisture in air is absorbed through the drying agent in the drying box, so that the air is kept dry, moisture is prevented from entering the electric meter box, and the service life of the electric meter box is prolonged.

The application discloses a small animal multifunctional motion ecological system monitoring platform. An ecological detection device comprises a box body, a detection device arranged in the box body and adapted to detect activity parameters of a living being in different activity areas, the detection device being selectively movable relative to the box body to follow the living being and record corresponding areas of the living being activity, and a feeding device arranged in one of the activity areas, the feeding device being formed with a carrier for carrying feeding objects, and the feeding device being adapted to selectively feed the carrier with feed and / or water and acquire a change amount of the objects carried by the carrier. The application can realize interaction of multiple activity area data, follow the living being movement by the detection device to realize real-time monitoring of the living being activity parameters, feed the living being with the feeding objects by the feeding device, and obtain energy consumption required by the living being activity by acquiring the change amount of the feeding objects.

The invention relates to the field of terminal boxes, and discloses an outdoor terminal box and an anti-condensation system, and the outdoor terminal box comprises a main body part; the threading part is arranged in the main body part; a moistureproof dehumidification part arranged in the main body; wherein wiring is facilitated and moisture invasion is blocked through the threading part, heating, heat preservation and dehumidification are carried out on the interior of the main body part through the moisture-proof and dehumidification part, and condensation prevention is achieved; a worker does not need to climb to the position right below the device, lie on his / her head and slowly find a hole for threading, the wiring difficulty is reduced, the wiring workload is reduced, the wiring efficiency is improved, moisture and small animals can be prevented from invading through the wiring position, heating, heat preservation and dehumidification can be achieved, condensation prevention is achieved, and equipment in a box body is prevented from being in a humid environment; and power supply reliability is ensured.

1. Name of the design product: Pelvic Surgery Support (Round). 2. Use of the design product: It is used as a fixing support for small animals during surgery. 3. Design key points of the design product: Lies in the shape. 4. Picture or photograph that best shows the design key points: Perspective view.

The application discloses an in-situ soil living small animal layered detection investigation method and device, adopts an in-situ soil living small animal layered instance segmentation device, automatically collects multi-modal hyperspectral imaging data of layered soil samples, and utilizes a soil animal 3D convolution instance segmentation deep network model to perform pixel instance segmentation on the multi-modal hyperspectral imaging data, independently identifies the types and instance individual numbers of small animals in each layer of soil, and further calculates the types, instance individual numbers, densities of small animals in the in-situ overall soil sample, and the longitudinal distribution of small animals in the soil. The application breaks through the limitations of traditional soil ecological research, avoids the low efficiency and large error of mechanical soil digging, manual selection and insect trapping and other methods, and provides a fast and accurate soil animal detection technology. The technology provides reliable data support for soil ecological research and agricultural management, and is an advanced tool for soil health management and sustainable agricultural development.

The invention relates to the technical field of magnetic resonance imaging, in particular to a coil assembly and device for small animal magnetic resonance elastography. The coil assembly comprises: a first chamber for accommodating a small animal as an examined object; a radio frequency coil disposed on the outer peripheral side of the first chamber; and a first hole communicating with the first chamber and facing the small animal for receiving a vibrating member, where the vibrating member is inserted into the first chamber via the first hole and contacts the small animal in a facing direction of the first hole.

The invention discloses a method for establishing a small animal dilation line model. Comprising the following steps that an incision is formed in the tail portion of the back skin of a rat, a subcutaneous bag is created below the corium layer of the incision through tweezers, a tissue expander is placed in the incision and close to the position close to the neck and above the vertebra, the subcutaneous bag is closed, and the incision is sewed and closed; smearing the hydrocortisone ointment every day to uniformly cover the skin of the modeling part, and continuously intervening for 3 days; the smearing part is away from the incision part; normal saline is injected into the tissue dilator every day; and taking out the tissue expander after 21 days, standing for 7 days, observing the back condition of the rat, and when the characteristics conforming to early red lines of dilatation lines are observed, indicating that modeling succeeds. The purpose of stretching the skin is achieved by implanting the tissue expander in a small animal body and increasing the size of the tissue expander along with time, and the expansion line generation condition is simulated. The method is simple, convenient to operate and high in success rate.

The utility model discloses a device for freezing a guinea pig trachea through liquid nitrogen spray under a bronchoscope. A cold source device is mounted at one end of the first pipe body, and a nozzle is mounted at the other end of the first pipe body and extends into a guinea pig air pipe; one end of the second tube body is provided with a display screen, and the other end of the second tube body is provided with a lens which is in signal connection with the display screen and extends into the trachea of the guinea pig. The spray head extends into the trachea of an experimental animal, liquid nitrogen in the liquid nitrogen high-pressure storage tank is sprayed into the trachea of a guinea pig from the spray head through the first pipe body, a freezing experiment can be carried out on the trachea of the guinea pig, meanwhile, the lens also extends into the trachea of the guinea pig, and the lens transmits the freezing condition in the trachea of the guinea pig to the display screen. The freezing condition and the treatment condition in the trachea can be observed on the display screen in real time, the trachea of a guinea pig, a rat, a mouse and other small animals can be effectively subjected to freezing treatment, and the treatment condition can be observed in real time.

1. The name of the design product: In Vivo Imaging System. 2. The use of the design product: This design product is used for chemiluminescence fluorescence imaging, small animal in vivo imaging or plant in vivo imaging. 3. The design key points of the design product: lies in the shape. 4. The picture or photo that best shows the design key points: perspective view.

This invention provides a urinal that can be used to safely capture eels, small animals, and other similar creatures. [Solution] A urinal bottle 1 having a screw-on lid (screw cap) 2, wherein a grid-like pattern of holes or several holes are made on the upper surface of the screw-on lid (screw cap) to allow unwanted liquids such as water or urine to be discharged.

The application discloses a small animal independent ventilation non-magnetic cage feeding system for indoor air intake and exhaust in a sub-magnetic space, which comprises the following parts: an external magnetic field shielding room, a small animal feeding non-magnetic cage, a non-magnetic cage placing rack, a ventilation unit and an air purification unit and the like; the external magnetic field shielding room mainly shields the external geomagnetic field and provides a required sub-magnetic environment for small animal cultivation; the non-magnetic cage placing rack is mainly used for placing the small animal feeding non-magnetic cage and is equipped with independent ventilation pipelines required for small animal feeding and is also made of non-magnetic materials; the non-magnetic feeding system for small animal cultivation in the sub-magnetic space disclosed in the application is mainly used for in-depth research on the influence mechanism of the sub-magnetic field environment on living beings, so as to further improve the survival rate and life quality of astronauts in future space exploration and interstellar travel.

The present invention discloses a power distribution cabinet with automatic closing and locking functions of the cabinet door, comprising a cabinet unit including a cabinet assembly, a transmission assembly arranged on the top of the cabinet assembly, a door closing assembly arranged inside the cabinet assembly, a locking assembly arranged inside the cabinet assembly, an unlocking assembly arranged inside the cabinet assembly, and a limiting assembly arranged inside the cabinet assembly; it is convenient for maintenance personnel to inspect the interior of the power distribution cabinet, and after the inspection is completed, the maintenance personnel only need to gently push the cabinet door to release the limitation of the cabinet door by the limiting assembly, and under the action of the door closing assembly, the door closing assembly drives the transmission assembly to rotate, and the transmission assembly drives the cabinet door to rotate to achieve the effect of closing the door, and at the same time, after the cabinet door is closed, the cabinet door is locked under the action of the locking assembly, so that the cabinet door can be prevented from being opened for a long time and small animals can be prevented from entering the distribution cabinet to cause damage to the interior of the distribution cabinet, thereby ensuring the normal operation of the distribution cabinet.

The utility model relates to a small animal social contact box for evaluating depression behavior, which comprises a box body with the periphery closed, a longitudinal first partition plate is fixedly arranged in the box body, the left side of the first partition plate is a first experimental area, and a transverse second partition plate and a transverse third partition plate are sequentially arranged on the right side of the first partition plate from back to front. The second partition plate is of a transparent structure, the right side of the second partition plate penetrates through the right wall of the box body and is slidably connected with the right wall of the box body in the transverse direction, an operation handle is arranged at the right end of the second partition plate, the third partition plate is fixedly arranged, and a second experimental area, a third experimental area and a fourth experimental area are sequentially arranged on the right side of the first partition plate from back to front; corresponding animals are placed in different experiment areas, so that experiment objects are convenient to move, and the experiment objects can be prevented from jumping out of the experiment areas.

The application provides a dam surface animal intelligent identification and tracking method, a large number of thermal imaging pictures of animals possibly intruding into a dam range in different postures are collected in advance by using an infrared thermal imaging camera, a deep learning algorithm is used to train thermal imaging samples labeled with animal positions, and automatic detection of animal regions in the thermal imaging pictures is realized; then, intelligent classification of animal body types is realized based on a color step gradient algorithm of the infrared thermal imaging pictures; for large animals, an animal type identification algorithm is constructed by taking body posture characteristics and body surface temperature distribution as characteristic parameters; for small animals, a deep learning model is constructed by taking walking track characteristics and walking speed as characteristic parameters, and intelligent identification of target animal types is realized. The application is highly consistent with the living habits of wild animals, can accurately identify animal types, action tracks and cave positions on the dam at night, and reduces the possibility of dam collapse caused by cave leakage channels.

Device (10) for killing at least one small animal, in particular a rodent, by introducing a CO2-containing gas mixture into a cage enclosing the small animal, with a mixing device (14) which - a first gas connection (32) for supplying CO2 gas, - a second gas connection (30) for supplying a further component of the gas mixture, - a mixing chamber (40) connected to these gas connections (30, 32) for mixing the CO2 gas and the further component and - a third gas connection (28) for introducing the CO2-containing gas mixture into the cage, wherein the second gas connection (30) and the third gas connection (28) are designed and / or arranged such that these two gas connections (28, 30) can be fluidically connected to the cage at the same time, and wherein the second gas connection (30) and the third gas connection (28) are arranged such that these two connections (28, 30) enable a fluidic connection to a common cage side of the cage, and wherein the mixing device (14) further comprises a further mixing chamber (42) fluidically connected downstream of the mixing chamber (40) for further mixing the components mixed in the one mixing chamber (40), wherein the third gas connection (28) is fluidically connected downstream of the further mixing chamber (42), and the two mixing chambers (40, 42) are connected to one another via a channel (46),in which a fan (60) or compressor is arranged.,

This product is used in combination with other bird and animal damage prevention plates for blocking openings, for example, in factories and other buildings, where pipes are inserted through a perforated blocking plate that is appropriately partitioned to prevent birds and other small animals from entering. The product can be cut to fit the diameter of the pipe to be inserted, and the cutout size can be adjusted to fit different pipe diameters.

A portable pet playpen 1 for small animals comprising: a base 3 comprising a planar base panel 7, and a peripheral wall assembly 5 which when expanded to be upstanding from the base panel, defines a p

The present invention discloses an experimental system for treating chronic stress in experimental small animals, comprising an experimental box, the bottom of which is fixed with an automatically adjustable box tilt component, and the experimental box is provided with an automatically adjustable component for space crowding, an automatically adjustable component for day and night reversal, an automatically adjustable component for cooling and heating, an automatically adjustable component for strobe light, an automatic noise playback component, and an automatic release component for natural enemy odors, thereby achieving the functions of causing the experimental small animals in the experimental box to be stimulated by tilt, space crowding, day and night reversal, high temperature, cold, strobe light, noise, and natural enemy odors, and also achieving food and water deprivation. The stimulation applied by the present invention substantially does not require the participation of experimental personnel and can be realized in an automated and intelligent manner, saving a large amount of manpower and achieving high experimental efficiency.

The utility model discloses an environment monitoring protective fence which comprises vertical beams, the bottoms of one sides of the two vertical beams are fixedly connected with first cross beams, the tops of one sides of the two vertical beams are fixedly connected with second cross beams, the outer walls of the first cross beams and the outer walls of the second cross beams are fixedly connected with stand columns respectively, and a blocking net is arranged between the two vertical beams. The utility model relates to the technical field of environmental monitoring, according to the environmental monitoring protective fence, through cooperation of the vertical plate, the transverse column, the connecting column, the sliding rod, the spring, the inserting block and the first bolt, the effect that the blocking net is installed on the protective fence to block gaps in the fence is achieved, and the problem that when an existing protective fence is used, the blocking net cannot be installed easily is solved. The problems that due to the fact that gaps between protective fences are large, some small animals may enter the fences through the gaps between the fences and may touch environment monitoring equipment by mistake, the environment monitoring equipment is damaged, and the use effect of an existing protective fence is reduced are solved.