19 results about "Homeothermy" patented technology

Provided are a test apparatus for dust-exposing breath of animals and a test method thereof. The test apparatus includes a constant temperature and humidity test box internally provided with a test chamber and provided with a dust inlet connected to a dust conveying device. The test chamber separated into a cleaning area and an activity area, and a blowing device is arranged in the cleaning area. The test method includes following steps: step S1: a test animal is placed in the activity area; step S2: dust is introduced and the blowing device is turned on; step S3: a temperature and a humidity are adjusted; step S4: the test animal is taken out to weigh and step S5: steps S1 to S4 are repeated, blood of the test animal is drawn after days for biochemical index assay, and a test cycle is completed.

Provided are a test apparatus for dust-exposing breath of animals and a test method thereof. The test apparatus includes a constant temperature and humidity test box internally provided with a test chamber and provided with a dust inlet connected to a dust conveying device. The test chamber separated into a cleaning area and an activity area, and a blowing device is arranged in the cleaning area. The test method includes following steps: step S1: a test animal is placed in the activity area; step S2: dust is introduced and the blowing device is turned on; step S3: a temperature and a humidity are adjusted; step S4: the test animal is taken out to weigh and step S5: steps S1 to S4 are repeated, blood of the test animal is drawn after days for biochemical index assay, and a test cycle is completed.

The present invention relates to a fixation and body temperature maintaining apparatus for fixing a small animal in order to generate a high-resolution micro image of a predetermined tissue of the small animal within a biomicroscope with an object lens, which includes: a plate heater with a heat wire installed therein, on which the small animal is enabled to be directly placed; a glass heater holder fixed to a hole of the plate heater; and a glass heater fixed to the glass heater holder, and located above the tissue of the small animal and maintaining flatness of the tissue, and increasing a temperature of the tissue itself, in which a cover glass serving to adjust a refractive index of the object lens and a heat wire heater are integrally formed. In an embodiment of the present invention, a body temperature of a live small animal which is an object to be observed with a biomicroscope is maintained to be constant.

The utility model provides a breathable comfortable rearing cage, which relates to the field of animal experiments and comprises a cage body, an opening is arranged at the upper end of the cage body, a turnover cover plate is mounted and connected at the opening, a fastener is arranged at one end of the turnover cover plate, an air inlet is arranged on the side wall of one end of the cage body, and an air outlet is arranged on the side wall of one end of the cage body. And one end of the external expansion pipe is fixedly connected with the air inlet. The small fan is started to enable external air to flow into the external expansion pipe, the air can be uniformly heated to a proper temperature by the aid of the electric heating piece, the heat conduction head and the porous heat conduction sheet plate, constant-temperature preheating treatment can be performed on the flowing-in air, the feeding cage effectively adapts to various temperature environments, comfortable and stable temperature conditions are provided for animals in the feeding cage, and the feeding cage is convenient to use. Healthy growth and survival of animals are facilitated, the problems of diseases or poor growth and the like caused by inappropriate temperature are reduced, and the practicability and applicability of the rearing cage are improved.

The invention relates to a portable constant-temperature piercing-sucking type insect feeding system and method, and belongs to the technical field of insect experiment equipment. In order to mainly solve the problems that a traditional mosquito feeding device is insufficient in temperature control precision, the temperature of a permeable membrane area is obviously interfered by the environment and the like, closed-loop temperature control is achieved by arranging a circular mounting hole with an internal thread at the bottom of a heating and heat preservation container and integrating a miniature thermistor and a PID temperature controller on the inner wall; external threads are arranged outside the connecting sleeve and are screwed and fixed with the mounting hole; the inner diameter of the connecting sleeve and the outer diameter of the lower part of the blood container form an interference fit structure; after the blood container is sleeved with the connecting sleeve, the bottom of the blood container and the permeable membrane extend downwards to form an exposed area. The system is mainly used for constant-temperature feeding of mosquitoes in a laboratory or a field environment, and the temperature stability and the operation reliability are remarkably improved.

The application discloses a constant-temperature and constant-pressure operation auxiliary platform for kidney fibrosis animal model construction, and particularly relates to the animal experiment auxiliary technical field, and comprises a physiological baseline acquisition module, an operation area exposure control module, a kidney area temperature control adaptation module, a kidney area pressure regulation module and a model construction process cooperation module.The application realizes the automatic and accurate cooperative control of physiological parameter acquisition, operation area exposure, temperature regulation and pressure regulation in the kidney fibrosis animal model construction process, solves the problems of unstable operation area exposure, difficult accurate control of temperature and pressure and untimely physiological state monitoring in traditional manual operation, effectively improves the consistency and reliability of model construction, provides a standardized animal model for kidney fibrosis related research; meanwhile, the regulation logic of each module of the platform is based on specific physiological data and pre-experiment statistical results, the operation process is clear and reproducible, and each parameter is verified in practice, so that the feasibility and practicality of the scheme are ensured.

This application relates to the field of coil drying technology, specifically to a high-precision temperature monitoring device and method for an oven used in coil drying. The method includes: reducing the air pressure inside the oven when the coil is in a constant-temperature holding stage to induce a phase change and endothermic reaction in residual moisture within the coil; acquiring the actual temperature change curve of the coil during the air pressure adjustment process inside the oven; determining the waveform distortion value and temperature deviation value based on the actual temperature change curve and a reference temperature change curve; determining the evaporation characteristic value of the coil based on the waveform distortion value and temperature deviation value; and determining the drying state of the coil based on the evaporation characteristic value. This application provides a device that improves the accuracy of determining the true drying state inside the coil.

The utility model discloses a constant temperature monitoring device for animal surgeries, and particularly relates to the technical field of constant temperature monitoring devices, the constant temperature monitoring device comprises a heating pad and a constant temperature monitoring assembly, the heating pad comprises a first base plate, second base plates are connected to the two sides of the first base plate, and third base plates are connected to the front side and the rear side of the first base plate; wherein the side, away from the first base plate, of one second base plate is connected with a fourth base plate, the first base plate, the two second base plates, the two third base plates and the fourth base plate form a constant-temperature box through magnetic attraction assemblies, cavities are formed in the first base plate and the two second base plates, and an electric heating plate used for heating is fixedly arranged in each cavity. The heating pad is used for heating and maintaining the animal body temperature, the temperature sensor, the controller and the remote controller are used for monitoring the animal operation body temperature in real time, the heating temperature is adjusted according to the animal, body temperature changes caused by temperature loss in the operation are avoided, and a doctor can adjust the temperature at different positions through the remote controller according to the requirements of the doctor.

The invention relates to a preparation process and a formula for improving female health, and the preparation process comprises the following steps: mixing raw materials such as a plant extract, an amino acid mixture, mineral powder and the like in sequence, emulsifying, carrying out constant-temperature enzyme activation, cooling, carrying out ultraviolet sterilization and the like. The preferable ratio and process parameters ensure the synergistic effect of the components, regulate endocrine, relieve menstrual discomfort and improve the nutrition absorption efficiency. Through a scientific formula and an optimized process, the defects of component matching and efficacy optimization in the prior art are overcome, meanwhile, the health care product has the advantages of being efficient, stable and suitable for industrial production, and an innovative solution is provided for development of female health products.

The application relates to the technical field of medical treatment, and particularly discloses a preparation method of a physical thrombus for an animal model of a cerebrovascular disease, which comprises the following steps: S1, collecting fresh whole blood of an animal in a sterile manner, and rapidly transferring the whole blood into a pre-cooled syringe assembly within 60 seconds after collection; and S2, driving a piston of the syringe, so that the whole blood repeatedly passes through at least two needle heads with different inner diameters in a preset pulse variable speed mode in a constant temperature environment (37+ / -0.5 DEG C), wherein the whole blood is first injected through a needle head with a larger hole diameter, and finally injected through a needle head with a smaller hole diameter; the application fundamentally avoids the use of exogenous thrombin and other biochemical reagents, eliminates the interference of the biochemical reagents on a natural thrombus formation process and a final component, and directly and in situ activates an endogenous blood coagulation system by controlling physical shearing force suffered by the blood when passing through needle heads with different specifications, so as to promote platelet aggregation and fibrin network formation.

The invention discloses an animal epidemic disease sampling detection device, and relates to the technical field of animal epidemic disease detection, the animal epidemic disease sampling detection device comprises a box body and a box cover hinged on the box body, a sealing plate is arranged in the box body, the sealing plate divides the box body into an activity chamber and a heat preservation chamber, a test tube storage rack is arranged in the box body, and the test tube storage rack is located in the heat preservation chamber; the test tube storage rack comprises a placement plate, a bottom plate, a vertical rod, two test tube fixing assemblies and a transmission mechanism used for driving the test tube fixing assemblies to rotate. Through cooperation of the transmission mechanism and the test tube fixing assembly, all test tubes can uniformly and stably rotate, sample blood and an anticoagulant can be fully mixed, and in the rotation process of the test tubes, the outer walls of the test tubes and constant-temperature gas in the heat preservation chamber are subjected to heat exchange, so that the stability of the test tubes is improved. It is ensured that the blood sample in the test tube is maintained within a proper temperature range, blood sample deterioration or detection result deviation caused by temperature changes is avoided, and the accuracy and reliability of the detection result are ensured.

The utility model provides an integrated small animal ECMO device which comprises an integrated platform, a temperature sensor, a heater, a four-channel peristaltic pump, a liquid storage device and an external oxygenator, and a first channel pump is sequentially connected with the liquid storage device and the external oxygenator in series to form a blood input and oxygenation loop; the four-channel peristaltic pump is arranged, the functions of blood oxygenation, water circulation and constant temperature are integrated, waterway circulation is formed through the humidity control unit, the third channel pump and the fourth channel pump, a blood pipeline is wrapped by a heating water bath, the liquid temperature is monitored in real time, the liquid constant temperature is ensured, and the dispersity of components is reduced through the integrated design; multifunctional integration is realized, the compound requirements of small animal experiments are met, and the experiment efficiency is improved.

The invention relates to the field of biomedicine, in particular to a mouse hepatic capillary nematode infection model and a construction method and application thereof, and the construction method of the model comprises the following steps: separating and collecting hepatic capillary nematode eggs from naturally infected mouse livers through an artificial digestion method; placing the obtained hepatic capillary nematode eggs in a filter paper culture system containing 1% formaldehyde, and culturing the eggs at a constant temperature of 30 DEG C until the eggs in an infection period; the eggs in the infection period are inoculated into experimental animal bodies through an intragastric administration way, and the inoculation dosage is 500-1500 eggs per animal. The model provided by the invention can be used for researching the pathogenesis of hepatic capillary nematode and evaluating the curative effects of anti-parasitic drugs and immunomodulators, and has important scientific research and clinical application values. And the model has the advantages of simplicity and convenience in operation, good repeatability, reliable experimental result and the like, and provides an important experimental tool for researching the pathological mechanism of hepatic capillary nematode infection.

The present invention belongs to the field of animal species origin identification, and specifically relates to primers, kits, detection methods, and applications for the simultaneous detection of duck or donkey meat-derived ingredients. The present invention designs a universal primer pair suitable for isothermal amplification and a CRISPR-Cas12a duck- or donkey-derived specific crRNA primer set. By utilizing the RPA / CRISPR-Cas12a detection system in conjunction with nucleic acid detection test strips, these two meat-derived ingredients can be rapidly identified. The embodiments of the present invention demonstrate that the product designed by the present invention is simple to use, does not require professional expertise, is low-cost, and produces readable reaction results, making it highly suitable for on-site testing.

The invention relates to the technical field of eel culture, and particularly discloses an integrated eel culture system with a temperature control function, which comprises a circulating water tank, the circulating water tank is communicated with a water inlet pipe fitting and a water outlet pipe fitting, and the circulating water tank is provided with a plurality of culture ponds in parallel through the water inlet pipe fitting and the water outlet pipe fitting; a heater and a filter are arranged in the circulating water tank; water pumps are mounted on the water inlet pipe fitting and the water outlet pipe fitting, a thermometer, a flowmeter and a pressure gauge are mounted on the water inlet pipe fitting, and a temperature sensor is arranged in the culture pond; a controller is arranged on the outer side of the circulating water tank, and the heater, the water pump, the thermometer, the flow meter, the pressure gauge and the temperature sensor are all electrically connected with the controller. The controller controls the pressure and the flow of the constant-temperature water flow entering each culture pond according to the set target temperature and the actually measured temperature of each culture pond, so that the water temperature in each culture pond is regulated and controlled respectively, accurate temperature control is achieved, and transfer temperature difference stress can be thoroughly eliminated.

The invention discloses an automatic strain continuous culture system based on intelligent temperature control and precise sensing, the system comprises an upper cover, an outer frame, a bearing table and a base, a plurality of incubators are arranged in the outer frame, the center temperature of the incubators can be obtained through a temperature measuring head at the bottom, and a temperature sensor of a sealing cover of the upper cover obtains the internal air temperature; a constant-temperature water source connected with circulating water of the outer frame provides environment temperature; based on the three temperatures, the strain temperature and the variation trend of the strain temperature are predicted through a thermal inertia differential equation, and the heater power and the constant-temperature water source temperature are adjusted according to the temperature variation trend. According to the invention, accurate monitoring and intelligent regulation and control of multi-zone temperature are realized, the problems of poor temperature control and single monitoring of a traditional culture device are solved, and the stability and the automation degree of strain culture are improved.

The invention relates to the technical field of medical treatment, and particularly discloses a preparation method of physical thrombus for a cerebrovascular disease animal model, which comprises the following steps: S1, aseptically collecting fresh whole blood of an animal, and quickly transferring the whole blood into a precooled syringe assembly within 60 seconds after collection; s2, a piston of the injector is driven, so that the whole blood repeatedly passes through at least two needle heads with different inner diameters in a preset pulse type variable-speed mode in a constant-temperature environment (37 + / -0.5 DEG C), the whole blood passes through a needle head with a larger aperture during first-time injection, and the whole blood passes through a needle head with a smaller aperture during last-time injection; according to the present invention, the use of the exogenous thrombin and other biochemical reagents is fundamentally avoided, the interference of the exogenous thrombin and other biochemical reagents on the thrombus natural formation process and the final component is eliminated, and the physical shearing force on the blood when the blood flows through the needles of different specifications is controlled so as to directly activate the endogenous blood coagulation system in situ, such that the platelet aggregation and the fibrin network formation can be promoted.

The invention provides an endocrine inspection device for clinical endocrinology department, which structurally comprises moving wheels, a base, a pushing rod, an electric control panel and a multifunctional storage structure, the moving wheels are mounted on the lower layer of the base, and the edge of the upper layer of the base is fixedly connected with the lower end of the pushing rod; the upper end surface of the base is perpendicular to the multifunctional storage structure, and an independent power supply is further carried in an electric control panel connected with the upper end of the multifunctional storage structure. After the multifunctional storage structure is improved, the refrigeration plate I and the constant-temperature plate can be effectively and completely separated through the separation groove and the separation plate in the refrigeration box, so that a blood sample can be collected at the position of the constant-temperature plate; meanwhile, a large number of 24-hour urine samples and saliva samples can be collected through cooperation of the first refrigeration plate and the second refrigeration plate and then are stored at low temperature, so that the sample submitting device can store and submit the samples of different types as many as possible, and meanwhile the situation that the samples are damaged due to temperature influence is prevented.

The present invention relates to a device for immobilization and body temperature maintenance for immobilizing a small animal for facilitating generation of high resolution microscopic images of predetermined tissue of said small animal within a biological microscope having an objective, said device comprising: a plate heater having a heating wire mounted therein, enabling direct placement of said small animal on said plate heater; a glass heater holder fixed to a hole of said plate heater; and a glass heater fixed to said glass heater holder and located above said tissue of said small animal, and maintaining planarity of said tissue and increasing temperature of said tissue itself, wherein a cover glass for adjusting refractive index of said objective is integrally formed with the heating wire heater. In an embodiment of the present invention, the body temperature of a live small animal as an object to be observed with a biological microscope is maintained constant.