12results about How to "Precise dose control" patented technology

The utility model relates to the related field of precise instruments, in particular to a high-precision liquid injection instrument. The steel plate welding positioning device comprises a base, an injector base, supports, a driver, a push-pull structure and an injector structure, the injector base is arranged above the base, the push-pull structure is arranged between the base and the injector base, the supports are arranged on the periphery of the push-pull structure, the driver is arranged on one side of the push-pull structure, and the injector structure is arranged on the other side of the push-pull structure. The driver is connected with the push-pull structure through a gear assembly, an injector structure is arranged above the injector base, and one end of the push-pull structure penetrates through the injector base to be connected with the injector structure. According to the injection device, the mode that the driver drives the lead screw to conduct transmission is adopted in the injection mode, the injection liquid dosage can be accurately controlled, the injector structure is convenient to replace, the injection precision can be conveniently adjusted according to different scenes, and the influence of factors such as the skill level of operators on the precision and stability of the liquid injection device can be effectively relieved.

The invention discloses an interventional infusion device for shutting tumor tissue blood supply, which comprises an injection part, and an injection speed control assembly is arranged on the surface of the bottom of the outer ring of the injection part; the injection part comprises a needle cylinder, a needle nozzle fixed at the front end of the needle cylinder and an infusion catheter connected to a front port of the needle nozzle, a piston is movably arranged in an inner cavity of the needle cylinder, and the rear end of the piston is connected with a push rod penetrating to the rear side of the needle cylinder. According to the technical scheme, the injection speed control assembly is arranged between the needle cylinder and the push rod of the injector, the servo motor is used for driving the gear, and the gear is meshed to drive the rack to move, so that the rack moves to pull the push rod to slowly push the medicament in the needle cylinder at a constant speed, and the problem that the medicament needs to be manually pushed for a long time is solved; and moreover, the stability of the medicament injection speed is improved, the injection speed is controllable, and discomfort caused by too fast injection of a patient is avoided.

The utility model relates to the technical field of medical instruments, and discloses an ear-nose-throat medicine sprayer which comprises a base, a sealing mechanism is arranged at the top of the base, the sealing mechanism comprises a medicine storage bottom bottle, the medicine storage bottom bottle is fixedly connected to the top of the base, a bottom slope is arranged at the bottom of the inner side of the medicine storage bottom bottle, and the bottom slope is fixedly connected with the bottom of the base. A medicine feeding mechanism is arranged in the base, a medicine storage bottom bottle is arranged at the top of the base, a medicine storage sealing bottle is arranged at the top of the medicine storage bottom bottle, a holding mechanism is arranged on the outer side surface of the medicine storage sealing bottle, and a medicine discharging mechanism is arranged at the top of the medicine storage sealing bottle. And meanwhile, the whole medicine storage bottle is provided with a detachable sealing mechanism, so that the whole sealing performance of the device is guaranteed, meanwhile, cleaning and disinfection of workers are facilitated, cross infection is avoided, the service life of the device is prolonged, and a better treatment effect and better use experience are provided.

The invention relates to the technical field of microorganisms, in particular to a multifunctional lactobacillus paracasei strain capable of promoting growth and development and application of the multifunctional lactobacillus paracasei strain. The Latin name of the multifunctional Lactobacillus paracasei strain is Lacticaseibacillus paracasei ZG1, the preservation number of the multifunctional Lactobacillus paracasei strain is CGMCC No.36863, the preservation date of the multifunctional Lactobacillus paracasei strain is December 5, 2025, and the preservation unit of the multifunctional Lactobacillus paracasei strain is China General Microbiological Culture Collection Center. Experiments prove that the multifunctional lactobacillus paracasei strain has the functions of promoting neurocognitive development, immune system maturation and bone growth, and can be added into an infant probiotic preparation to play a role in promoting growth and development. Compared with existing probiotics, the lactobacillus paracasei ZG1 has a multi-target and multi-system synergistic promotion function on growth and development, is expected to replace a traditional mixed probiotic scheme, and fundamentally solves the core problems of single function, mixed antagonism and the like of most of existing probiotics.

The utility model discloses a medicament proportioning container, which relates to the technical field of medical instruments and comprises a mixing box, the middle of the bottom end of the mixing box is fixedly connected with a motor box, a servo motor is sleeved in the motor box, one end of the servo motor is in spline connection with a transmission rod, one end of the transmission rod is fixedly connected with a stirring assembly, and the stirring assembly is fixedly connected with a stirring shaft. A control box is clamped at the bottom of the mixing box, and a proportioner body is embedded in the middle upper part of one side of the control box; through the arrangement of the stirring assembly, when the device is operated and used by a worker and different liquid medicines are proportioned, the liquid medicines are stirred by using a stirring rod, so that the liquid medicines are mixed more uniformly, the proportioning is more convenient, and the use effect is improved; through the arrangement of the proportioning device body and the funnel, when a worker operates the device for use, intelligent proportioning enables dosage control of medicine to be more accurate, efficiency can be improved, and the error rate caused by manual control can also be reduced.

The invention discloses a Qingli decoction traditional Chinese medicine composition as well as a preparation method and application thereof, and relates to the field of Qingli decoction, the Qingli decoction traditional Chinese medicine composition comprises the following raw materials in parts by weight: 15 parts of radix scrophulariae, 12 parts of radix ophiopogonis, 12 parts of lily, 8 parts of radix bupleuri, 12 parts of radix paeoniae alba, 7 parts of pericarpium citri reticulatae, 7 parts of semen brassicae, 12 parts of selfheal, 7 parts of caulis bambusae in taeniam, 12 parts of semen plantaginis, 7 parts of akebiaquinata, 7 parts of radix gentianae and 5 parts of rhizoma coptidis. According to the Qingli decoction traditional Chinese medicine composition as well as the preparation method and the application thereof, thirteen medicinal materials including radix scrophulariae, radix ophiopogonis and the like which have definite effects of clearing heat and causing diuresis are selected and combined through scientific compatibility and optimization principles. The medicinal materials cooperate with one another to jointly exert the effects of clearing away heat and toxic materials and inducing diuresis to reduce edema, and the traditional Chinese medicine is accurately used for treating the symptoms such as cough, excessive phlegm, swollen sore throat and difficult urination caused by lung heat and damp-heat downward flow. Through scientific compatibility, the problem that the curative effect difference between different batches or patients is large due to lack of scientific verification and optimization of a traditional compound is avoided, and the high efficiency and stability of the formula are ensured.

The present disclosure relates to the field of biomedicine, and discloses a nutritional composition for intervention or treatment of autism and a preparation method thereof, aiming to solve the problems of safety, compliance and insufficient targeting mechanism of existing intervention programs for social impairment of autism. The composition comprises leucine, isoleucine and valine in a molar ratio of 1:1:1, with a total concentration of 0.753 mg / kg of body weight, in the form of oral liquid, and a pH of 6.87.4. The preparation method comprises weighing the amino acids according to the molar ratio, dissolving them in 0.9% sodium chloride injection, filtering, dispensing and sealing. The present application can safely and effectively improve the social impairment of autism patients and plays a role by up-regulating the expression of MyT1L in the hippocampus.

The present application relates to pet trace element instant beverage technical field, specifically to double-bin isolation instant pet trace element beverage and its preparation method, the pet trace element instant beverage is composed of double-bin packaging, high-activity pet trace element instant powder and buffer pure base fluid; The double-bin packaging includes upper powder bin and lower liquid bin, the easy-to-tear aluminum foil diaphragm is arranged between the upper powder bin and the lower liquid bin. The present application realizes the long-term stable storage of trace elements through the synergistic design of double-bin isolation structure, special instant formula and convenient use method, without refrigeration, the shelf life of 18 months can be achieved, the activity retention rate is greater than or equal to 95%; Using special instant emulsifying system, 3-5 seconds of instantaneous instant can be realized under the condition of low shear force hand shaking, there is no stratification, no caking, no wall hanging, and the absorption efficiency is improved by more than 60% compared with existing products.

The invention belongs to the technical field of cervix uteri micro-injection, and particularly relates to a control system and method based on cervix uteri multi-point micro-injection. Through three-dimensional image data and accurate calculation, the medicine dosage of each injection point can be adjusted according to specific requirements, it is ensured that medicine can accurately reach a lesion area, personalized medicine injection is carried out according to specific conditions and lesion degrees of cervical tissue, the pertinence and effect of treatment are improved, and the treatment cost is reduced. By means of injection distribution compensation and injection area compensation, uniform distribution of medicine in cervical tissue is guaranteed, the problem that local medicine is too much or too little is avoided, medicine dosage and distribution are accurately controlled, excessive accumulation of the medicine in a non-lesion area is reduced, the risk of side effects is reduced, and by comprehensively considering all compensation values, the accuracy of medicine injection is improved. The medicine dosage of each injection point is optimized, so that the overall treatment effect is improved.

The utility model discloses a kind of for yak breeding young cattle breeding device, it is related to young cattle breeding technical field, including drive assembly, the drive assembly is composed by drive mechanism and blocking mechanism.Just injection mechanism can reserve a large number of vaccine liquid for use, avoid the action of repeatedly pumping liquid when injecting, drive mechanism can control injection mechanism to realize the function of automatic pumping and injecting liquid, it is convenient to inoculate and inject operation to more young cattle vaccine, and blocking mechanism can adjust and control the pumping amount and injection amount of medicament when injection mechanism single injection, dose control accurate, when injecting vaccine to young cattle currently, still using traditional syringe to inject, when needing to inoculate and inject vaccine to more young cattle, it needs repeatedly pumping vaccine liquid and injection operation, very cumbersome, and pumping amount and injection amount each time need artificial visual judgment and control, the problem of poor accuracy.

The application discloses a kind of mouse animal cages for radiation experiment, it is related to the technical field of animal cage.It includes accordion variable radian single cage body, the first end of the accordion variable radian single cage body is provided with male door, the second end of the accordion variable radian single cage body is provided with female door, the two sides of the male door are provided with concave slot, the two sides of the female door are provided with gable slot, the concave slot, gable slot inside is provided with isolation insert plate.The metal fence on the top of the mouse cage is replaced by plastic and other materials that do not affect the penetration of the rays;The width of each cage is suitable for holding one mouse (it can be designed to be adjustable, and two widths can also be fixed according to the size of common mice);According to the concentric circle formed by the straight line distance of point source and dose conversion, the radian of the feeding cage can be adjusted, which is consistent with the circumference of the concentric circle, so as to accurately control the dose of irradiation.

The present invention provides an automatic injection device, including a housing, a push rod, a push rod driving assembly and a spring force assembly; the housing includes a containing housing, a supporting housing and a pressing cover, the syringe is arranged in the containing housing, the supporting housing is connected to the containing housing, and the pressing cover is located on the supporting housing; the working end of the push rod can be extended into the containing housing, the driving end of the push rod is arranged in the supporting housing and is driven by the pressing cover; the push rod driving assembly includes a rotating body, a spiral guide cylinder, an inner rotating cylinder, and an outer rotating cylinder; the spring force assembly includes a force spring and a return spring for providing a driving force. The present invention realizes the extension of the push rod driven by the force by changing the positional relationship between the outer rotating cylinder and the rotating body, and finally realizes the quantitative injection of the medicine. The whole injection process is completed with one key, making the injection process easier, and the whole injection process has good stability and high accuracy of the injection dose.