13 results about "Laboratory rat" patented technology

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.

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 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 application relates to the technical field of medical experiments, and discloses a semi-immersion type stroke experimental mouse rehabilitation training device, a screen is arranged on a base; a supporting platform is arranged on the base, one end of the supporting platform is rotationally connected with two groups of limb rotating shafts, the two ends of the two groups of limb rotating shafts are arranged to extend from the side surface of the supporting platform and are provided with pedals; a driving mechanism is arranged at the other end of the supporting platform, and the output end of the driving mechanism is connected with the limb rotating shafts; a rotating speed sensor for detecting the rotating speed of the output end of the driving mechanism is further arranged on the base, an experimental mouse is prone on the supporting platform, limbs are fixed on the pedals, the image playing speed of the screen is matched with the rotating speed to realize the coupling of the visual field and movement; the semi-immersion type task-oriented upper limb training can be completed in the mode of the coupling of the visual field and movement, the mouse can generate changes in movement planning and spatial position sense, the method of visual stimulation combined with movement training is used to improve the post-stroke neural plasticity and functional recovery of the mouse, and the in-depth exploration of the semi-immersion type neural rehabilitation mechanism is facilitated.

This utility model relates to the field of laboratory animal technology in barrier environments, specifically to an automatic water replenishment device for laboratory mice, comprising a mounting plate, a water storage box, a water replenishment pipe, a control pipe, a control column, a mouse cage, a feeding box, and a feeding assembly; the mounting plate is vertically mounted on a wall, the water storage box is mounted on top of the mounting plate, the water replenishment pipe is disposed inside the water storage box with one end located outside the water storage box, and a water purifier is connected to the outer end of the water replenishment pipe, the control pipe is installed in the middle of the water replenishment pipe, the control column is installed inside the control pipe, the mouse cage is mounted on top of the mounting plate with the cages spaced apart, the feeding box is installed inside the mouse cage, and the feeding assembly is installed inside the mounting plate, with the feeding assembly located above the feeding box.

This utility model relates to a temporary storage cabinet for laboratory mice, comprising: a first cabinet having a first inner cavity and a first opening, the first opening and the first inner cavity being in communication; a second cabinet having a second inner cavity and a second opening, the second opening and the second inner cavity being in communication, and the first cabinet and the second cabinet being connected, thereby enabling the first inner cavity of the first cabinet and the second inner cavity of the second cabinet to communicate; the first opening and the second opening being in communication; a door frame assembly including a door frame body and a pivot post, the pivot post being disposed on the door frame body and capable of pivoting relative to the first cabinet and the second cabinet, thereby enabling the door frame body to open and close the first opening and the second opening; and a lock assembly mounted on the door frame body, the lock assembly being used to lock the door frame body onto the first cabinet and the second cabinet.

This application provides a method, device, electronic device, and storage medium for monitoring laboratory mice, belonging to the field of laboratory mouse monitoring technology. The method includes: acquiring multiple consecutive video frame data and experimental physiological data of laboratory mice in a smart breeding cage collected within a preset acquisition time slot; inputting the visual feature information corresponding to the video frame data into a target detection model to perform target analysis operations, obtaining target location information and identification information of the laboratory mice; determining location verification result information based on the identification information and the target location information corresponding to the multiple video frame data; inputting the identification information, the visual feature information corresponding to each video frame data, and the target location information into a behavior detection model to perform behavior detection operations, obtaining target behavior information of the laboratory mice; if the location verification result information and target behavior information meet preset conditions, determining the experimental physiological data as the target physiological data of the laboratory mice. This application can improve the accuracy of physiological data acquisition.

The utility model provides a kind of subcutaneous administration auxiliary device for mouse, comprising: plugging head, bearing cylinder, administration barrel and press positioning assembly.Plugging head is detachably connected with one end of bearing cylinder, administration barrel is rotatably connected with the other end of bearing cylinder, installation hole is equipped on the lateral wall of bearing cylinder, injection incision is equipped on the lateral wall of administration barrel.Press positioning assembly includes connecting rod, and connecting rod is slidably arranged inside installation hole, press head is equipped on the top end of connecting rod, and press head is located outside bearing cylinder, arc locating plate is further equipped on the bottom end of connecting rod, arc locating plate is located inside bearing cylinder, and the center of arc of arc locating plate is towards the axis of bearing cylinder.A kind of subcutaneous administration auxiliary device for mouse, can be conveniently fixed to experimental mouse, and prevent experimental mouse from injuring staff.

The utility model relates to the technical field of barrier environment experimental animal, concretely relates to a kind of non-contact experimental mouse quick transfer device, including transfer storehouse, top cover, air hole, handle, shovel plate, mounting block, switch assembly, fixed component and adjusting assembly;The transfer storehouse is set to the hollow cuboid structure of inside, the rear side portion of transfer storehouse is set to circular arc, the top cover is installed on the upper of transfer storehouse, the air hole is set in the upper of top cover, the handle is installed on the rear side of transfer storehouse, the shovel plate is set on the front side door of transfer storehouse, the mounting block is set in the front side of transfer storehouse top, the switch assembly is installed on the front side of transfer storehouse, installation mode is set to rotary installation, the fixed component is installed on the side of mounting block, the adjusting assembly is installed on the upper of shovel plate, installation mode is set to sliding installation.

The utility model relates to animal medical treatment experiment equipment technical field especially, more particularly to a kind of independent medicated bath device of rodents, including heat preservation bucket body, the top of heat preservation bucket body is provided with the first cover and the second cover that can swing, the first cover and the second cover are detachably connected by buckle;The first cover and the second cover are respectively provided with neck support, the first cover and the second cover are closed two neck supports form head and neck limit hole;Limit support portion is arranged in the heat preservation bucket body, and the head and neck limit hole and the limit support portion form the limit space of experimental mouse between it.The device of the utility model needs less medicament, is flexible in application and conducive to improving the accuracy of efficacy data.