1649results about "Animal fettering" patented technology

The invention discloses an ultrasonic irradiation experiment system and method capable of intelligently adjusting the ultrasonic heat effect. The system comprises a constant-temperature degassing water bath kettle, an animal fixing platform, an ultrasonic irradiation system, an optical fiber temperature monitoring system and a signal processing system. High-sensitivity and minimally-invasive temperature measurement is achieved through the optical fiber temperature sensor, accurate temperature data of deep tissue can be obtained in real time, and meanwhile the optical fiber temperature sensor has the advantages of being high in sensitivity, uncharged, small in size, free of interference of an electromagnetic field or ultrasonic waves, high in stability and the like. By combining the integrated design of the fixing device, the stability of the positions of the ultrasonic probe and the mouse is ensured, and personal errors are reduced. The integration of the caudal vein injection device and the anesthesia device further improves the operation convenience and safety of the experiment. Most importantly, according to the system, a computer is used for collecting temperature change signals and controlling ultrasonic output power, a closed-loop adjusting mechanism is formed, and accurate control over treatment parameters is achieved.

Sealing plates are detachably installed at the two ends of a lower frame and the two ends of an upper frame, a vertical frame is fixedly installed between the lower frame and the upper frame, an extension rod on one side is pushed to slide, then a rack slides in the upper frame, meanwhile, the rack drives the other rack to slide through a gear in the middle, and the two racks are folded at the same time; the other end of the rack compresses the spring, the rack can drive the sliding rod to slide in the arc-shaped hole through the limiting strip while sliding, then the clamping base, the clamping rod and the lock rod rotate with the hinge point of the clamping rod and the transverse frame as the circle center, the lock rod rotates to extrude the lock head, the lock head rotates around the hinge point of the lock head, and after the lock rod crosses the lock head, the lock head is locked. The lock head falls under the influence of self weight, the bottom of the lock head stops the lock rod from rotating reversely to return, in the process, the extending rod is pushed on one side, the multiple sets of clamping rods can be rotated and erected, and the clamping rods do not need to be straightened one by one by personnel.

The invention relates to the technical field of extracranial strike testing, in particular to digitally-controlled extracranial strike construction equipment of a traumatic brain injury model. Comprising a test platform, a sliding rail installed on the test platform and arranged in the length direction of the test platform, an animal fixing platform slidably connected with the test platform through the sliding rail, an impact structure arranged on one side of the test platform and a driving structure used for driving the animal fixing platform to move towards the impact structure. The impact structure is fixedly connected to the test platform, the output end of the impact structure faces the animal fixing platform, an experimental animal is installed on the animal fixing platform, the driving structure drives the animal fixing platform to enable the experimental animal to actively impact, and the impact structure enables the experimental animal to impact a fixed acting point at a certain initial speed. The system is more in line with the injury mechanism of a patient with clinical actual craniocerebral trauma, and a tester can accurately control and monitor parameters according to the moving speed and the moving distance of the animal fixing platform.

The utility model discloses a laboratory mouse skull plane adjusting and auxiliary positioning device which comprises a pedestal, a U-shaped ear rod adapter is arranged in the middle of the pedestal, ear rods which are used for stretching into ears of a laboratory mouse and are adjustable in height are detachably installed at the two ends of an opening of the ear rod adapter, and a tooth fixing mechanism is arranged in the arc-shaped middle of the ear rod adapter. A sliding table and a sliding rail moving relative to the sliding table are arranged on the side, located on the arc-shaped side of the lug rod adapter, of the pedestal, a transverse and vertical translation mechanism is installed on the sliding rail and comprises a vertical translation assembly and a transverse translation assembly, and a positioning needle and an injection needle which are opposite to the lug rod adapter are installed at the front end of the transverse translation assembly. An X-axis laser transmitter capable of moving in the transverse direction is arranged on the side, opposite to the opening of the lug rod adapter, of the pedestal, and a Y-axis laser transmitter capable of moving in the longitudinal direction is arranged on the side adjacent to the X-axis laser transmitter. According to the utility model, the X-axis laser transmitter and the Y-axis laser transmitter are adopted, so that the skull plane of the head of the laboratory mouse can be conveniently adjusted, the skull plane reaches horizontal balance, and the positioning needle is adopted to accurately mark the required position without manual marking.

Provided is a technology which can properly perform a predetermined treatment on an abdomen of a test fish while reliably holding the test fish in a predetermined posture by suppressing damage as much as possible. A test fish holding device includes a flexible holder, the holder having a holding groove extending along a front-rear direction on an upper surface side and internally holding the test fish loaded from an upper opening portion. The holder has a slit extending along the front-rear direction in a bottom portion of the holding groove and exposing the abdomen of the test fish held inside the holding groove through a lower surface side. A width of the slit is widened by generating a tensile force from an inside toward an outside on the lower surface side of the holder.

The invention provides a device for constructing an intervertebral disc degeneration model by using mouse simulation, and belongs to the technical field of medical research. Comprising a mounting base plate, a supporting rod is connected to the middle of the top of the mounting base plate, a top seat is fixedly connected to the top of the supporting rod, and a ring seat is fixedly connected to the inner side of the top seat. The body clamping mechanism can accurately clamp an animal body, is matched with an electric push rod to realize bending or unfolding of the body, and is matched with the limb positioning mechanism to improve the experiment suitability and assist in simulating the pathological process of human intervertebral disc degeneration, the limb positioning mechanism fixes the limbs of the animal through antiskid plates, and the device can adapt to animals with different sizes and is high in practicability. The rotating shaft design avoids animal limb fracture, the angle adjusting assembly and the arc-shaped displacement assembly enable the animal limbs to flexibly swing and move up and down, the convenience and the adjusting adaptation performance of the device are improved, and more accurate data and reliable experiment conditions are provided for lumbar vertebra pathological research on the whole.

The utility model belongs to the field of cattle and sheep holding, and particularly relates to a cattle and sheep catching and holding device in a pasturing area, which comprises a rope, a main driving support, an auxiliary butt joint support, a rope binding structure, a winding drum, a butt joint structure, an adjusting plate and a supporting rod. Therefore, the winding drum does not rotate along with rotation of the output shaft of the rotating motor, at the moment, a worker can pull out the rope to catch the sheep, and independent rope releasing work is achieved. After catching is completed, only the bottom of the cross-shaped inserting rod needs to extend into the inner arc groove, when the groove wall of the inner arc groove makes contact with the cross-shaped inserting rod located in the inner arc groove, the groove wall of the inner arc groove can push the cross-shaped inserting rod to rotate in the same direction along with rotation of an output shaft of the rotating motor, and then the cross-shaped inserting rod drives the winding drum to rotate in the same direction; the rope sleeved with the sheep is gradually pulled back, so that the rope is independently pulled back.

The invention relates to the technical field of visual search, in particular to a visual search experiment method for head fixing brain imaging. Comprising the following steps: fixing a target object on an experiment table, and training the target object through a display screen to obtain a trained target object; obtaining a target stimulus for an experiment and a target display strategy of the target stimulus in a display screen, the target stimulus being an icon for identification; and executing the target display strategy in the display screen, and obtaining behavioral statistical data and brain region microscopic imaging data of the trained target object based on the execution action of the trained target object. According to the method, the brain region microscopic imaging data of the trained target object can be obtained by executing the target display strategy corresponding to the target stimulation in the display screen, the display strategy of the target stimulation in the display screen is optimized, the motion noise interference of the target object is reduced, the brain region microscopic imaging data with higher quality is obtained, and the accuracy of the brain region microscopic imaging data is improved. And the comprehensiveness and the reliability of an experimental result are improved.

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 relates to the technical field of animal experiments, and particularly discloses an experimental animal PET-CT examination auxiliary fixing device which comprises a fixing base, the upper surface of the fixing base is fixedly connected with a first supporting column, the upper surface of the first supporting column is fixedly connected with a first limiting plate, and the side surface of the first limiting plate is fixedly connected with two supporting limiting blocks. The experimental animal PET-CT examination auxiliary fixing device is provided with a supporting limiting block and a positioning sliding rail, when the experimental animal PET-CT examination auxiliary fixing device works, by sliding a second supporting column, a transmission rolling wheel at the lower end of the second supporting column is used for supporting, friction force is dropped through rotation of the transmission rolling wheel, and therefore practicability is improved; and a second supporting column is conveniently guided, so that the movement stability of the second supporting column is improved, the distance between a first limiting plate and a second limiting plate is conveniently changed, and the convenience of fixing different rabbits is improved.

The utility model provides a dental treatment machine for pets, which comprises a mobile phone operating platform for performing dental treatment on the pets, the mobile phone operating platform comprises a plurality of hanger valves and a plurality of mobile phones which are matched with the hanger valves and controlled by the hanger valves, and the dental treatment machine for the pets further comprises a gas circuit and a water circuit, the hanger valve is communicated with the air channel and controls the opening and closing of the air channel; the mobile phone is communicated with the air path and the water path so as to realize air inlet and outlet and water inlet and outlet of the mobile phone; and the gas path and the water path are divided into multiple paths through the same multi-union diaphragm valve and are respectively communicated with the plurality of mobile phones. The water path and the air path are divided into multiple paths by utilizing the multi-connected diaphragm valve, so that the air path and the water path which are divided into multiple paths are respectively connected to a plurality of functional devices, especially a plurality of mobile phones, the control and the operation of the plurality of functional devices are realized, the whole system is very compact in structure and small in size, and the cost is also saved.

The invention discloses a multifunctional operation drag hook for animal husbandry and veterinary, and belongs to the field of veterinarians, the multifunctional operation drag hook comprises an operating table, a moving table is assembled on the front side of the operating table, an electric sliding rail is assembled on the top of the moving table, an electric sliding block is assembled on the top of the electric sliding rail, and an electric telescopic rod is fixedly connected to the top of the electric sliding block; the top of the electric telescopic rod is fixedly connected with a drag hook. An extension plate is slidably connected to the inner wall of the drag hook, a sliding groove is formed in the front face of the drag hook, a limiting plate is fixedly connected to the left side of the inner wall of the drag hook, an extrusion block is fixedly connected to the bottom of the extension plate, and a first hydraulic assembly is fixedly connected to the inner wall of the drag hook. Skin tissue can be lifted and opened, the effect of tensioning the skin is achieved, and the operability of an operation area is improved by increasing the contact area of the drag hook and the skin. Particularly, linkage of an air bag, a first hydraulic rod and an extension plate is used, and the stability and the expansion effect of the skin tissue are further ensured through lifting and extrusion.

The invention discloses adjustable animal acupuncture equipment which structurally comprises a supporting base, an animal supporting frame, an animal leg supporting plate, a pulse acupuncture device and an animal bracket, the middle position of the top of the supporting base is fixedly connected with the bottom position of the animal supporting frame, and the front end of the animal supporting frame is fixedly connected with the animal bracket; meanwhile, a pulse acupuncture device is arranged on the end face of the rear side of the animal supporting frame, the number of the animal leg supporting plates is two, and the animal supporting frame is horizontally fixed to the end faces of the two sides of the animal supporting frame respectively; the fixed supporting frame can be turned over to clamp and fix obese animals, and then the fixed supporting frame can be stretched and shortened, so that the animals with different physiques and sizes can be clamped and fixed, the effect of rapidly clamping and fixing the animals is achieved, and acupuncture therapy is conducted on different animal varieties.

The utility model belongs to the technical field of Tibetan pig disease prevention and treatment, particularly relates to a vaccine injector for Tibetan pig disease prevention and treatment, and aims to solve the problems that when vaccine injection is carried out on Tibetan pigs in the same batch of growth stage, workers often hold injectors with hands to go to pigsties to inject the Tibetan pigs one by one, piglets missing vaccine injection are prone to occurring, and potential risks exist. According to the scheme, the device comprises an electric conveying belt, the electric conveying belt is arranged on a channel between two adjacent pigsties, and two guardrails for preventing piglets from falling off are symmetrically arranged above the electric conveying belt. When the piglet vaccine injection device is used, through the design of the electric conveying belt and the guardrails, a worker can conveniently inject vaccines to piglets one by one, and therefore the situation that the piglets are missed to be vaccinated is avoided; through the design of the adjusting assembly, the distance between the guardrails can be adjusted according to the body types of piglets of different growth batches; through the design of the needle-free injection assembly, stress reaction and cross infection risks caused by traditional needle puncture are avoided.

The invention discloses animal husbandry veterinary quarantine detection equipment, and relates to the technical field of quarantine detection. The animal husbandry veterinary quarantine detection equipment comprises a placing seat, a fixing frame is assembled at the top of the placing seat, a power rod driven by an electric push rod is assembled at the bottom of the fixing frame, and a blood sampling tube body is assembled at the bottom of the power rod. According to the animal husbandry and veterinary quarantine detection equipment, an animal is placed on a placement plate in a placement seat, an electric telescopic rod is started, and a movable rod, an arc-shaped outer plate, an elastic telescopic rod, an arc-shaped inner plate, a hydraulic bin I, a stress rod, a push plate, a spring I, a spring II and a pressing plate are matched, so that when blood sampling operation is not performed yet, only the animal is preliminarily fixed, and the blood sampling operation is performed; when blood sampling operation is carried out, the animal is further fixed, and after the blood sampling operation is completed, the animal is quickly restored to a preliminary fixing state, so that the clamping time is shortened, and the possibility of injury to the animal is reduced.

The invention provides a micro-fluidic chip system for fixing juvenile zebrafish with a matched injection pump facing upwards on the side / back surface as well as a preparation method and application of the micro-fluidic chip system. The micro-fluidic chip system for fixing the juvenile zebra fish with the matched injection pump facing upwards on the side / back surface comprises a conveying device, the juvenile zebra fish micro-fluidic chip and an analysis device, the conveying device comprises an injection pump and a conveying catheter. According to the side / back upward type micro-fluidic chip system for fixing the juvenile zebrafish by matching with the injection pump, and the preparation method and the application of the micro-fluidic chip system, provided by the invention, the juvenile zebrafish can be automatically fixed through automatic water flow injection under the condition of no anesthetic treatment by combining a fluid dynamic method with the shape of the juvenile zebrafish; meanwhile, the system has the advantages that high throughput can be realized, and potential technical support can be provided for further realizing drug screening, poison screening and toxicological research and related research of zebra fish.

The utility model relates to the technical field of beef cattle breeding devices, and provides a quantitative dosing device for beef cattle breeding disease prevention and control, which comprises a rack, and a notch is formed in the middle of the left side of the rack; a worker firstly drives beef cattle into the rack, then the worker starts a third motor to drive two sets of supporting blocks to synchronously move, so that a supporting plate can be driven to drive the beef cattle to ascend and descend, then the worker can start a first motor to drive two sets of limiting plates to play a role in clamping the two sides of the beef cattle, and the two limiting plates are combined to clamp the beef cattle; according to the technical scheme, the clamping device can clamp beef cattle of different sizes, the situation that the beef cattle are prone to being stimulated to be not matched during treatment is prevented, then a worker can start a constant delivery pump, medicine mixed with water can be pumped to an atomization spray head and then sprayed out, and therefore the effect of treating the beef cattle is achieved. The beef cattle can synchronously breathe atomized medicine when eating in the feeding trough, so that the utilization rate of the medicine is higher, and the waste of the medicine is reduced.

The invention discloses an animal husbandry veterinary vaccine auxiliary injection device, and relates to the technical field of animal husbandry, the animal husbandry veterinary vaccine auxiliary injection device comprises a head placing plate, a clamping plate, an L-shaped plate, a narrow rack and a gear, the head placing plate is fixedly mounted on the top of a vehicle body, the clamping plate is slidably mounted on the right side of the vehicle body, and the L-shaped plate is fixedly mounted on the top of the clamping plate; the narrow rack is fixedly installed at the free end of the elastic telescopic pedal, the gear is rotationally installed in the vehicle body, after cattle are attracted by feed to move and trigger a limiting mechanism, the toothed plate is prevented from moving upwards to limit the back face of the cattle, and the situation that the cattle kicks and steps backwards when a worker punctures a needle is effectively avoided; the risk that workers are kicked by the cattle is greatly reduced, and a safe working environment is provided for vaccine injection operation.

The utility model discloses a rat jugular vein blood sampling fixing table which comprises a placing table, the side inner wall of the placing table is fixedly connected with a guide shaft, the side surface of the guide shaft is movably connected with a sleeve, the side surface of the sleeve is fixedly connected with a limiting plate, the side surface of the limiting plate is fixedly connected with a mounting block, and the mounting block is fixedly connected with a fixing plate. The side surface of the mounting block is in threaded connection with a bolt, and the upper surface of the mounting block is fixedly connected with a sleeve. According to the structure, through cooperation of the guide shaft, the sleeve, the limiting plate, the mounting plate, the bolt, the casing pipe, the first telescopic rod, the pressing plate and the first binding rope, rats with different sizes can be fixed, the practicability of the device is improved, the four limbs of the rats can correctly penetrate through the casing pipe to be fixed, fixing is more accurate, and the practicability of the device is improved. The movable sleeve enables the head of the rat to be located above the inclined plate all the time, the angle of the inclined plate can be adjusted, and then the neck unfolding degree of the fixed rat is adjusted, so that blood sampling is facilitated.

Provided herein are apparatuses, systems, and methods of controlling the temperature of an animal being imaged under anesthesia. For example, the animal is placed under anesthesia on an animal bed apparatus within an imaging system, the temperature of a conditioned air flow from the air injector via a temperature control apparatus is measured using an air temperature sensor, the temperature of the animal's body is measured using an animal temperature sensor, the temperature of the conditioned air flow to the animal and the temperature of the animal's body is monitored using a controller in communication with a temperature control apparatus, air temperature sensor, and animal temperature sensor, and the temperature of the conditioned air directed over the animal is automatically adjusted using the temperature control apparatus.

The invention relates to the technical field of spinal cord trauma simulation, in particular to an instantaneous traumatic spinal cord modeling system and method, and the system comprises a mechanical arm, a clamp, an optical motion capture module and a control module; the clamp is installed at the driving end of the mechanical arm. An array type pressure sensor and a fiber grating force sensor are arranged on the clamp. The mechanical arm can drive the clamp to move and drive the clamp to be opened and closed, a piezoelectric-electromagnetic composite driver is arranged on the mechanical arm, the driving end of the piezoelectric-electromagnetic composite driver is connected with the driving end of the clamp, and the optical motion capture module is installed on the experimental platform and used for monitoring and calibrating the position and posture of the clamp on the mechanical arm relative to the spinal cord of a mouse. According to the scheme, the spinal cord forceps holder with millisecond-level response can be achieved, stability of various parameters in modeling can be guaranteed, a more rigorous and reliable research framework is formed, and experiment repeatability is higher.

The invention provides a device for injecting caudal veins of mice, which relates to the field of biomedical engineering, and comprises a fixed table body, a mouse body fixing cylinder, a placing groove, a mouse tail fixing table, an overturning support frame, an overturning driving motor, a clamping chuck, a fixed adjusting mechanism and a tail overturning driving mechanism, the mouse body fixing cylinder is fixedly connected to the upper portion of the fixing table body. The placing groove is formed in the upper part of the mouse body fixing cylinder; the rat tail fixing table is fixedly connected to the rear side of the upper portion of the fixing table body. The overturning driving motor is fixedly connected to the upper end of the rear portion of the overturning supporting frame. The clamping chuck is rotationally connected to the front portion of the overturning supporting frame. The fixed adjusting mechanism is arranged on the upper portion of the interior of the fixed table body. The tail turning driving mechanism is arranged behind the mouse tail fixing table, intravenous injection operation of experimenters is facilitated, the mouse tail intravenous injection operation efficiency is improved, and the problems that the experimenters need to twist the mouse tail with one hand and operate an injector with the other hand during injection, and operation is inconvenient are solved.

A system for positioning and monitoring an animal during microscopy may include a base supporting the animal, a head holder attached to the base and securing the animal's head, a body holder attached to the base and restraining the animal's body, at least one sensor measuring a physiological parameter of the animal, and a controller receiving and processing data from the at least one sensor. The base may comprise a scissor lifting jack for height adjustment. The head holder may include a ball joint for angular adjustment. The body holder may comprise a swaddle. Sensors may include an accelerometer to detect motion and a thermocouple to measure cranial window temperature. The system may also include a camera to capture images during microscopy.

The invention discloses an inoculation auxiliary device for animal husbandry and veterinary, and relates to the technical field of animal husbandry, the inoculation auxiliary device comprises a cart, the surface of the cart is fixedly provided with a first fixing frame, the top of the first fixing frame is fixedly provided with a hydraulic cylinder, the surface of the cart is rotatably provided with a limiting plate, and the surface of the cart is fixedly provided with a placing clamping plate; a first fixing frame is fixedly installed on the surface of the cart, a second fixing frame is fixedly installed on the surface of the cart, a clamping plate is slidably installed on the surface of the first fixing frame, and a connecting plate is fixedly installed on the surface of the clamping plate. At the moment, the telescopic arc plate moves downwards to press and fix the body of the livestock, so that the injection operation is more accurately carried out, the stability of the body position of the livestock is ensured, the situation that a needle enters a wrong position by mistake due to animal movement is reduced, and the success rate and the effect of inoculation are improved.

The invention discloses an adjustable spinal cord impact vibration injury device and an injury method thereof, and belongs to the technical field of spinal cord injury experiment research. Two lifting sliding rods are fixedly installed at the rear end of the base, and lifting sliding blocks capable of vertically sliding are installed on the lifting sliding rods. An angle adjusting mechanism is installed on the lifting sliding block, the movable end of the angle adjusting mechanism is detachably connected with a supporting tool used for fixing the experimental animal, and the angle adjusting mechanism is used for adjusting the angle of the supporting tool so that different parts of the experimental animal can face the base; the base is further provided with an impact triggering mechanism. Through the mode, the experimental animal spinal cord impact oscillation injury model prepared by adopting the technical scheme can well simulate the injury process of a clinical spinal cord injury patient and the pathophysiological change after injury; and the spinal cord impact vibration injury models with different injury modes and different injury degrees are prepared by changing the free falling body height of the experimental animal, the vertical impact rods made of different materials and the impact point location of the experimental animal.

The invention relates to the technical field of blood collection, in particular to a miniature pig blood collection device for animal medical experiments, which comprises a cage body, and a trunk clamping mechanism, a head clamping mechanism and a mouth clamping mechanism are sequentially arranged in the cage body from the tail to the head along the length direction of the cage body; a linkage type driving mechanism is arranged on the inner side of the head of the cage body, and the linkage type driving mechanism is used for tightening the head clamping mechanism; the head clamping mechanism, the mouth clamping mechanism and the linkage type driving mechanism are arranged, the linkage type driving mechanism can enable the head clamping mechanism to be tightened and meanwhile enable the mouth clamping mechanism to move upwards, and therefore in the process of fixing the head of the miniature pig, the mouth of the miniature pig can be supported synchronously, and the head of the miniature pig can be fixed conveniently. Therefore, the head and the neck of the miniature pig are raised, the head of the miniature pig is not injured, meanwhile, the fixing effect is not affected, and blood sampling work is facilitated.

The invention relates to the technical field of animal experiment auxiliary equipment, in particular to a periodontitis modeling mouth angle retraction device and equipment with fixed illumination and view amplification, and the device comprises a supporting and fixing mechanism, a mechanical transmission mechanism and a fixed expansion mechanism; the supporting and fixing mechanism is used for supporting and fixing the whole device and the rat to be experimented; through a fixed supporting plate, a movable threaded rod, a first movable half clamp and a second movable half clamp in the fixed expansion mechanism, the mouth corners of to-be-experimented rats with different sizes are retracted; the mechanical transmission mechanism is provided with a first rotating mechanical plate, a second rotating mechanical plate, a magnifying observation mirror and illumination light, so that a clear view field and sufficient and uniform light are provided for an operator. By means of the unique structural design of the oral corner retracting device, the stability, comfort, safety, observation conditions, operation efficiency and accuracy in the periodontitis molding process are remarkably improved, and the problems that an existing oral corner retracting device is poor in fixing effect, safety and operability are solved.

The invention relates to a sheep urine collection device and system. The sheep urine collection device comprises a urine collection unit, a bandage unit, a plurality of traction units and a urine storage unit. The sheep urine collecting device has the advantages that the urine collecting unit is used for covering the urethral orifice of a sheep, the arc-shaped design is adopted, the sheep urine collecting device can be suitable for rams and ewes at the same time, the problem of sheep urine leakage can be avoided, the sheep urine can be filtered, and the application range is expanded; the traction unit and the bandage unit are used in cooperation, the urine collection unit is stably fixed to the urethral orifice of the sheep according to different physique requirements of the sheep, it is not needed to hold the sheep manually and wait for urine collection manually in the collection process, stress to the sheep can be avoided, and the collection efficiency is high.

The invention relates to the technical field of medical experimental instruments, and discloses a stereotactic experimental mouse cerebrospinal fluid automatic extraction device which comprises a supporting seat, a supporting frame is fixedly connected to the top of the supporting seat, a first air cylinder is fixedly connected to the outer wall of the supporting frame, and the output end of the first air cylinder penetrates through the outer wall of the supporting frame and is fixedly connected with an extraction pipe. A second air cylinder is fixedly connected to the inner wall of the supporting seat, a first sliding groove is formed in the outer wall of the supporting seat, an adjusting mechanism is arranged in the supporting seat, the positioning mechanism is arranged in the supporting seat and comprises a positioning block, and a first supporting rod is fixedly connected to the outer wall of the positioning block. The mouse is positioned through the positioning mechanism, and the head of the mouse is clamped, so that the head of the mouse is fixed, the stability of the cerebrospinal fluid extraction process is improved, the operation difficulty is reduced, and the extraction device can extract the cerebrospinal fluid of the mouse more stably.

The invention discloses a noninvasive chronic abacterial prostatitis rat model making device which comprises a multifunctional operation base, a lifting stand column, a rat posture adjusting mechanism, a rat fixing plate, a lifting support, a pitching angle adjusting mechanism and a rat prostate multi-mode stimulator. The lifting support is fixed on the base, the pitching angle adjusting mechanism is fixed on the lifting support, the rat prostate multi-mode stimulator is fixed on the pitching angle adjusting mechanism, the rat posture adjusting mechanism is fixed on the multifunctional operation base, and the rat fixing plate is fixed on the rat posture adjusting mechanism. According to the device, the chronic abacterial prostatitis rat model is constructed by combining prostate local thermal stimulation with prostate local high-frequency vibration stimulation, the prostate tissue of the rat is noninvasive in the whole modeling process, and the problem of modeling failure or low success rate caused by introduction of bacteria in the injection puncture process is avoided.