619 results about "Small animal" patented technology

The invention relates to the technical field of cable branch boxes, and discloses a cable branch box which comprises a box body and a box door, the box door is rotatably connected to the box body, a placement groove is formed in the box body, a through hole communicated with the placement groove is formed in the box body, and an elastic plate used for completely blocking the through hole is arranged on the through hole. According to the device, the through hole is blocked through the elastic plate, so that small animals are difficult to directly pass through the through hole to enter the placement groove; when a worker cuts the elastic plate, the cable enters the placement groove through the elastic plate, and the elastic plate abuts against the outer surface of the cable, so that the elastic plate can limit the distance between the cable and the through hole, thereby reducing the possibility that a small animal climbs into the placement groove along the cable, and further reducing the damage of the small animal to the electrical component.

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 invention provides an animal behavior training device based on an air floating ball before magnetic resonance imaging, and particularly relates to the technical field of experimental equipment.The animal behavior training device based on the air floating ball before magnetic resonance imaging comprises a supporting mechanism and a floating ball mechanism, an air floating ball base clamping groove is formed in the supporting platform; the floating ball mechanism comprises an air floating ball base arranged in the air floating ball base clamping groove, a semi-circular groove is formed in the air floating ball base, an air floating hole is formed in the bottom of the semi-circular groove, an air floating ball is loaded in the semi-circular groove, a plurality of air inlet pipe openings communicated with the air floating hole are formed in the bottom of the air floating ball base, and the air inlet pipe openings are communicated with the air floating hole. An external air blower is utilized to ventilate air into the air floating holes through the air inlet pipes and drive the air floating balls to suspend, and the four limbs of the small animal can move on the air floating balls in a multi-degree-of-freedom mode and are not limited.

The invention relates to a 60KW energy storage equipment energy-saving ventilation and noise reduction structure capable of being efficiently and rapidly assembled. The 60KW energy storage equipment energy-saving ventilation and noise reduction structure comprises a ventilation static pressure structure, an air inlet noise elimination structure, an air exhaust noise elimination structure, arc-shaped noise elimination blades, an insertion type noise elimination module, an anti-bird net and a rapidly-assembled hanging type hinge structure. The ventilation static pressure structure homogenizes airflow through the static pressure cavity, reduces resistance and improves ventilation efficiency; according to the air inlet and exhaust noise elimination structure, noise is effectively absorbed through trapezoidal noise elimination pieces and arc-shaped noise elimination blades, and comprehensive noise reduction of low-frequency and medium-high-frequency noise is achieved by combining inclined design of the noise elimination pieces with optimization of the punching rate. The plug-in noise elimination module adopts a modular design, so that quick disassembly, assembly and maintenance are facilitated; the anti-bird net enhances the outdoor adaptability of the equipment and prevents small animals from invading. By optimizing the structural design, the device has remarkable advantages in the aspects of reducing equipment noise, improving ventilation efficiency and facilitating maintenance, and is suitable for various scenes such as industrial, commercial energy storage and civil energy storage equipment.

A small animal imaging and radiotherapy (RT) irradiator device uses a circular array x-ray source to scan an anatomy of an animal, delivers conventional and ultra-high dose rate of radiation to the treatment target. The multipixel x-ray source includes a ring of focal spots capable of irradiating x-ray beams from around fifty beam angles. The x-ray beams are collimated with a collimator designed in treatment planning.

The farmland drainage system comprises a hard drainage channel and an ecological purification section, the ecological purification section comprises a frame protection unit and an internal filling unit, a bottom liner layer and a partition layer are arranged in the hard drainage channel to form a filling lattice, and the filling lattice is filled with a first filling matrix and a second filling matrix. The first filling matrix can filter and purify the farmland drainage, intercept pollutants in the farmland drainage, slow down the drainage flow rate and prolong the hydraulic retention time; the second filling matrix is used for planting aquatic plants, inhabitation and reproduction spaces are provided for small animals such as frogs and other microorganisms and planktons, the ecological benefits of an original hard drainage channel are improved, and meanwhile the planted aquatic plants can absorb pollutants in water through root systems and cooperate with the microorganisms to purify water. The invention further provides a farmland hard drainage channel transformation method.

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 a small animal detection device based on a holder double-camera technology and a detection method thereof. The device comprises a holder, a 3D camera, a zoom camera and an edge calculation controller, the holder at least has two rotational degrees of freedom; the 3D camera and the zoom camera are installed on the holder side by side. The edge calculation controller is respectively connected with the holder, the 3D camera and the zoom camera, so that the rotation angle of the holder can be controlled, and whether a small animal exists or not can be judged according to information acquired by the 3D camera and the zoom camera; according to the invention, rough scanning is carried out through the 3D camera, whether abnormity exists is rapidly judged according to the morphology difference value, and the abnormal position is amplified and captured through the zoom camera, so that the to-be-detected target has a large proportion in the picture, interference of light and shadow changes and the like on a common visible light camera is avoided, misjudgment is reduced, identification is facilitated, and the detection accuracy is improved. The system has the advantages of high efficiency, clear snapshot, high yield and the like, and meanwhile, the pan-tilt expands the scanning range and can cover a large range.

The invention discloses a laboratory animal behavior analysis method and system, and belongs to the technical field of animal behavior analys.The laboratory animal behavior analysis method includes the steps that A00, not less than three small animals are placed in a standard animal test box, and each small animal is dyed and distinguished; a01, the AI camera identifies and marks animal actions and postures and transmits marked video segments to the AI server; a02, the AI server carries out video reconstruction on the marked video segments to obtain 3D pictures, and repeated marks are removed; a03, the AI server counts the number of times of actions and postures of each animal. The AI camera carries out real-time edge processing on a shot video, animal postures and behaviors are recognized through an AI model library, and if it is judged that the postures and behaviors conform to actions and postures needing to be counted, relevant marks are synchronously marked in video stream signals; transmitting the marked video to an AI server; and the AI server performs screening statistics on the identification videos and gives a statistical result, so that the contrast experiment efficiency is improved.

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.

Critter Proof Bin Lid Lock, for Litter Prevention and Environmental Safety. Discourage critters like Raccoons, Possums, Squirrels, Birds and various other animals even Monkeys and Baboons from scavenging for human food and endangering themselves well as wind blowing lids open but still automatically releases during waste collecting process.

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.

The utility model belongs to the technical field of insecticidal lamps, particularly relates to an intelligent wind suction type insecticidal lamp, and aims to solve the problems that an existing wind suction type insecticidal lamp is single in function, only can physically prevent and control pests and cannot prevent crops around equipment from being damaged by birds and rats, the following scheme is provided: the intelligent wind suction type insecticidal lamp comprises a main box body; the vertical rod is fixedly mounted at the bottom of the main box body; the fan is mounted in the main box body, and an insect receiving box is mounted in the main box body; the circuit assembly is installed at the top of the main box body, and a solar panel is installed at the top of the main box body; the bird repelling device assembly is arranged on the main box body, and the vertical rod is provided with a mouse trapping mechanism. In the using process, the device can be effectively prevented from killing small animals by mistake, crops around the device can be prevented from being damaged by birds through the arrangement of the bird repelling device assembly and the mouse trapping mechanism, and the device is convenient to use. Meanwhile, crops around the device can be prevented from being damaged by rats, the structure is simple, and use is convenient.

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 embodiment of the utility model discloses a wire passing structure and an air conditioner. The wire passing structure comprises a first frame body, and a wire passing hole is formed in the inner side of the first frame body; the blocking ribs are arranged on the hole walls of the wire passing holes at intervals and extend towards the opposite hole walls. By arranging the blocking ribs, the fixing effect of the wire passing structure on the wire is further improved, meanwhile, small animals are blocked through the blocking ribs, and the small animals such as mice are prevented from penetrating through the wire passing hole, entering the shell and biting the wire, causing damage to the wire and affecting normal operation of equipment, so that the service life of the wire is prolonged, and the replacement cost is reduced; and the reliability of equipment operation is improved, and user loss caused by sudden power failure is avoided.

The invention belongs to the technical field of small animal mental disease diagnosis, and provides a neuroimaging-based small animal mental disease diagnosis system, which comprises an image data acquisition and preprocessing module for performing multi-modal imaging on a small animal by using high-precision neuroimaging equipment, acquiring neuroimaging data, preprocessing the acquired image data, and acquiring neuroimaging data; comprising the steps of denoising, registration, segmentation and the like so as to improve data quality; a feature extraction and analysis module; according to the invention, the resolution and the signal-to-noise ratio of the image data are improved through the multi-modal neural imaging technology, and a reliable data basis is provided for accurate diagnosis; image features are automatically extracted and analyzed through a deep learning algorithm, human intervention is reduced, and the accuracy and efficiency of diagnosis are improved; a personalized diagnosis model is constructed, individual differences of small animals are considered, and more accurate diagnosis is realized; through introduction of the cloud data management platform, centralized storage, sharing and cooperative analysis of data are realized.

The utility model discloses a small animal pathological tissue section bleaching and drying device which comprises an ultrasonic cleaning box, supporting legs are fixedly installed at the four corners of the outer surface of the lower end of the ultrasonic cleaning box, supporting columns are fixedly installed on the left side and the right side of the upper portion of the outer surface of the rear end of the ultrasonic cleaning box, and the number of the supporting columns is two sets. A drying assembly is fixedly mounted on the upper portion between the two supporting columns and comprises a box plate, an air outlet, a fan, a fixing frame, an air inlet pipe, a hollow protective shell, an air outlet pipe, a heater, an air filter element and a protective net. According to the small animal pathological tissue section bleaching and drying device, through the arrangement of the section lifting assembly, a mesh basket containing sections can be conveniently driven to be placed in the ultrasonic cleaning box, use is convenient, the treatment efficiency is improved, the mesh basket is driven to be close to the lower portion of the box plate through the section lifting assembly, and the section lifting assembly is used for lifting the sections. And the slices can be heated and dried through the drying assembly, and use is convenient.

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.

To provide an oxygen box that creates a better environment for the health of small animals. [Solution] An oxygen box 1 that can accommodate small animals and creates an environment with a high oxygen concentration higher than that in the atmosphere. The oxygen box 1 has a box-shaped main body with an entrance through which small animals can enter and exit, a transparent window for opening and closing the entrance, a supply port formed on the top of the main body for supplying high concentration oxygen generated by an oxygen concentrator 100 to the inside, and an exhaust port formed on the bottom of the main body for discharging air from inside the main body.

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.