105results about How to "Guaranteed sterility" patented technology

The utility model discloses a glassware cleaning machine which comprises a cleaning tank, a water storage tank is fixed in the cleaning tank, the upper end of the water storage tank is connected with a cleaning agent tank and a neutralizer tank, and peristaltic pumps are installed on connecting pipes between the cleaning agent tank and the water storage tank and between the neutralizer tank and the water storage tank. The cleaning device has the advantages that the peristaltic pump, the flow meter and the HEPA filter screen are designed, in the cleaning process, the peristaltic pump and the flow meter are combined to automatically and accurately distribute a cleaning agent and a neutralizing agent, then the prepared cleaning agent cannot affect the body of a worker, meanwhile, in the drying process, the HEPA filter screen guarantees the cleanliness of hot air, and the drying efficiency is improved. And therefore, the sterility of the cleaned glassware is ensured, and the cleaning effect is improved.

The invention discloses an induction culture medium for preparing human umbilical cord mesenchymal stem cell exosomes and application of the induction culture medium, and relates to the technical field of exosome culture. The additive is prepared from the following components: 0.8 to 1.5 percent of ITS, 0.03 to 0.05 percent of a luteolin extract, 0.04 to 0.06 percent of a herba taraxaci extract, 0.02 to 0.04 percent of a radix ginseng extract, 0.03 to 0.05 percent of resveratrol, 0.01 to 0.03 percent of vitamin C, 0.03 to 0.05 percent of a pimpinella thellungiana extract, 0.01 to 0.03 percent of a rhizoma dioscoreae extract and 0.01 to 0.02 percent of sodium citrate; the induction culture medium provided by the invention not only can avoid introduction of exogenous substances and reduce the pollution risk, but also can promote proliferation of stem cells and effectively induce synthesis and exosome secretion of a large number of human umbilical cord mesenchymal stem cells.

The invention discloses a quick and long-acting gynecological antibacterial gel and a preparation method thereof. According to the formula of the gynecological antibacterial gel, a plurality of key components are selected and combined, and the gynecological antibacterial gel specifically comprises the following components in parts by weight: 5-15 parts of poloxamer, 0.5-1 part of carbomer, 0.5-1 part of N, N-dicarboxymethyl alanine trisodium salt, 0.2-0.1 part of carboxymethyl cellulose and 50-250ppm stable chlorine dioxide powder. The preparation method of the gynecological antibacterial gel comprises the five steps of chlorine dioxide chelating solution preparation, gel matrix preparation, gel forming, pH value adjustment and finished product packaging, all the steps are accurately controlled, and the product quality is ensured. The invention provides a gynecological gel product which is high in initial flowability, can be quickly gelated in vivo and has a quick long-acting antibacterial function, solves the problems of non-ideal antibacterial effect, inconvenience in use, insufficient safety and the like of an existing gynecological nursing product, ensures the safety and stability of the product, overcomes many defects of a traditional product, and has a good application prospect. And a better choice is provided for female reproductive health care.

The invention relates to the technical field of medical instruments, in particular to a sterile gear-adjustable automatic catgut embedding device and a working method thereof.The sterile gear-adjustable automatic catgut embedding device comprises a catgut embedding needle, a catgut embedding cylinder is arranged on one side of the catgut embedding needle, two grips are fixedly connected to the surface of one side of the catgut embedding cylinder, and a button is fixedly connected to the position, located on one side of the grips, of the surface of the catgut embedding cylinder; a catgut embedding device is arranged on the surface of the catgut embedding cylinder, catgut embedding can be quickly and conveniently embedded into acupuncture points of a human body through the catgut embedding device during catgut embedding treatment, the treatment effect and the working efficiency are improved, the catgut embedding device comprises a push rod, and the push rod is inserted into the surface of the catgut embedding cylinder in a penetrating mode. When catgut embedding equipment is used for conducting catgut embedding treatment on a patient, catgut can be assembled and replaced more conveniently and rapidly, catgut embedding is more convenient and rapid, repeated step operation of workers is reduced, the working efficiency is improved, and the working efficiency is improved. The treatment efficiency and the practicability and the functionality of the device in use are further improved.

The utility model relates to a self-adhesive disposable pressurizing application which comprises an elastic pressurizing body, the elastic pressurizing body is arranged between an inner-layer dressing and an outer-layer dressing, the elastic pressurizing body comprises a plane pressurizing part and a vertical face pressurizing part, the vertical face pressurizing part protrudes out of the surface of the plane pressurizing part, and the outer-layer dressing is arranged on the surface of the vertical face pressurizing part. The surface, provided with the vertical surface pressure applying part, of the plane pressure applying part is bonded with the outer-layer dressing, and the opposite surface of the plane pressure applying part is bonded with the inner-layer dressing; the inner-layer dressing and the outer-layer dressing are correspondingly provided with a plurality of fixing bands extending outwards, the fixing bands are symmetrically arranged, the fixing bands can be pasted more firmly, meanwhile, the elastic pressurizing body exerts pressure on a wound in a balanced mode, the wound is prevented from being dragged, stable healing of the wound is facilitated, the structure is simple, use is convenient, seepage at the wound can be obviously reduced, and the wound healing effect is improved. And wound infection is prevented, the number of times of repeated dressing change is reduced, the labor intensity of nursing personnel is reduced, meanwhile, wound infection is prevented, medical consumables are saved, and the sterility and safety of the product are guaranteed through ethylene oxide disinfection and disposable use.

The invention belongs to the technical field of pharmaceutical equipment, and particularly relates to a needle pre-filling continuous production process for plastic medicine bottles. The process comprises the following steps of (1) tube blank extrusion, (2) tube blank transfer, (3) needle adding and bottle making, (4) filling, (5) injector piston adding and sealing, and (6) blanking. The needle pre-filling continuous production process for the plastic medicine bottles is a whole systematic process and covers a process from raw material conveying to final product conveying, compared with a traditional BFS process, a packaging process is characterized in that an injection needle adding station and an injector piston adding station are added and A-level air shower protection is added in a whole transferring process, functions of equipment are greatly increased, the quality of produced products is higher, the sterile safety of the products is better, and the problem of pollution possibly existing in a process from production to injection of medicines is fundamentally solved.

The utility model relates to the technical field of blood purification, and discloses a hemodialysis chamber AB liquid barrel antifouling cover which comprises an AB liquid barrel, a sealing structure is arranged on the AB liquid barrel, a protective cover is arranged on the sealing structure, the protective cover is provided with a liquid extraction pump through the sealing structure, the protective cover comprises an upper opening part and a lower opening part, and the upper opening part is provided with an opening. The upper opening part is connected with an infusion pump through a sealing structure, the lower opening part is connected with an AB liquid barrel through a sealing structure, a barrel opening is fixedly formed in the AB liquid barrel, the outer surface of the barrel opening is movably connected with the sealing structure, and the sealing structure comprises a first sealing sleeve; an inner cavity of the first sealing sleeve is movably connected with the outer surface of the barrel opening in a sleeved mode, the outer surface of the first sealing sleeve is movably connected with an inner cavity of the lower opening in a sleeved mode, and the sealing structure further comprises a second sealing sleeve. According to the AB liquid barrel, external impurities can be prevented from entering the AB liquid barrel, and the AB liquid can be kept sterile all the time in the using process.

This invention relates to the field of food preservation technology and discloses a liquid preservative for preserving fresh walnut kernels. The preservative comprises a natural preservative, a solubilizing and stabilizing agent, and a solvent. This liquid preservative uses natural phloretin as the preservative component, combined with Tween 80 as a solubilizing and stabilizing agent and ethanol as a solvent. This effectively solves the problems of poor water and oil solubility and inadequate stability of phloretin, allowing it to be stably dispersed in the preservative system and fully exert its antioxidant and antimicrobial effects. Furthermore, the preparation method is simple and easy to implement, and the production process is safe and controllable. It is convenient to use; the preservation of fresh walnut kernels can be achieved through dilution and soaking. The diluted solution can be reused, reducing usage costs. Simultaneously, it can inhibit bacterial growth during the storage of fresh walnut kernels, delay oxidative deterioration, maintain their good appearance and quality, extend shelf life, and meet the market demand for high-quality fresh walnut kernels.

This invention relates to a syringe clamping connection device, comprising a housing, a knob, a rocker arm, a pawl, and a movable block. The movable block is movable along the length of the housing and has a groove on the housing for engaging the interface of a liquid storage container. A mounting groove is formed on the bottom surface of the movable block for mounting a syringe, with the needle tip extending out of the first end of the movable block and facing the interface. Multiple locking slots are formed on the top surface of the movable block. The knob is fixed to the first end of the rocker arm via a connecting rod inserted into the housing. The first end of the pawl is hinged to the second end of the rocker arm, and the second end of the pawl has a locking block. This invention enables a stable and reliable connection between the syringe and the liquid storage container, preventing accidental syringe detachment and resulting material waste and uneven addition.

The invention provides a dressing. The dressing comprises trehalose, macromolecular hyaluronic acid or salt thereof, middle-molecular hyaluronic acid or salt thereof, and small-molecular hyaluronic acid or salt thereof, the molecular weight of the macromolecular hyaluronic acid or the salt thereof is 2.00-2.30 MDa, the molecular weight of the middle molecular hyaluronic acid or the salt thereof is 1.20-1.60 MDa, and the molecular weight of the small molecular hyaluronic acid or the salt thereof is 0.50-0.70 MDa. The hyaluronic acid gel contains hyaluronic acid or salts thereof with different molecular weights, a phosphate buffer pair, trehalose and sodium chloride, the hyaluronic acid or salts thereof with different molecular weights have different effects, can simultaneously meet the requirements of skin for water absorption, water replenishing and water retention, is matched with glycerol for use, has a synergistic moisturizing effect, and provides a good microenvironment for wound healing.

The utility model provides a follicle flushing liquid constant-temperature device which comprises a constant-temperature box, a box body cover plate is rotationally connected to the constant-temperature box, a fixing opening is fixedly connected to the box body cover plate, the fixing opening is connected with a flushing assembly, an extrusion assembly is arranged in the constant-temperature box, and the extrusion assembly is connected with a constant-temperature assembly. The extrusion assembly achieves the stable and continuous flushing effect and controls the flushing force, the constant-temperature assembly achieves uniform dispersion of heat, so that flushing liquid can be continuously heated, the temperature sensor achieves temperature regulation and control, the constant-temperature state of the flushing liquid is achieved, and the flushing assembly guarantees sterility of medical supplies in contact with the flushing liquid. And control over the flushing flow can be achieved through the arranged flow adjusting valve.

The utility model discloses an integrated portable trachea cannula cleaning and disinfecting cup, which is characterized in that a foldable cup body is arranged, a filter sheet which can move up and down and is provided with filter holes is arranged in the foldable cup body, and a lifting rope is connected with the filter sheet, so that the filter sheet can be conveyed to the bottom of the foldable cup body; when the trachea titanium tube is lifted by the lifting rope after being disinfected, the trachea titanium tube can be lifted and cleaned at the same time, and a trachea cannula does not need to be clamped into a disposable sterile bowl to be cleaned by tweezers after being disinfected, so that the trachea titanium tube is not required to be cleaned by the tweezers after being disinfected. Secondary pollution caused by falling of the trachea cannula due to misoperation in the process that the trachea cannula is clamped to a disposable bowl through tweezers is avoided, a disposable sterile bowl does not need to be used, and the consumption cost of medical equipment is reduced. The disinfection and cleaning integrated structure is realized, and the disinfection and cleaning integrated device is light and portable, can be folded and is convenient to carry about.

The invention provides a sterilization box sealing performance sterility tester and a test method, and relates to the technical field of sterilization box sealing performance test. The sterility tester comprises a case, a power supply assembly, a connecting assembly, a vacuum pump, an air exhaust electromagnetic valve, an air inlet electromagnetic valve, a double-voltage-stabilizing trigger, a pressure sensor and a timer are arranged in the case, and a negative-pressure vacuum chuck and an air filter are arranged outside the case. By arranging the bistable trigger, the negative pressure vacuum suction cup with the air filter element, the air filter and the like, a circuit structure and an air path structure are optimized; on the basis, the tester can be maintained in a stable working state, so that the accuracy of a test result can be ensured, and the damage to the sealing performance of the sterilization box is avoided; polluting bacteria possibly existing in air in an air path can be filtered, so that pollution to the sterilization box can be effectively avoided, and sterility of medical instruments in the sterilization box is guaranteed.

The utility model discloses a multifunctional medical elevator, which relates to the technical field of medical elevators and comprises an elevator body, an elevator door is arranged on the surface of the elevator body, and a lifting mechanism is arranged on the right side in the elevator body. According to the medical tool cabinet, the clamping feet are matched with the clamping grooves, a sickbed can be fixed in the elevator, the situation that the sickbed shakes and a patient is hurt due to shaking of the elevator is avoided, then the adjustable seat is matched with the hook, infusion can be conveniently conducted on the patient, the driving air cylinder is matched with the telescopic rod and the connector, and therefore the medical tool cabinet can be fixed through the lifting support. The medical tool cabinet slides on the lifting sliding rails, the height of the medical tool cabinet is conveniently adjusted according to the height of a user, the space in an elevator is saved, an ultraviolet lamp groove is formed to be matched with an ultraviolet lamp tube to sterilize the interior of the elevator, and a ventilation window and activated carbon placed in a gauze frame are matched, so that the sterilization effect of the device is further improved; and it is guaranteed that the interior of the elevator is continuously in a sterile state.

The invention discloses an explant sterilization treatment device and method for bluegrass tissue culture, and relates to the field of plant tissue culture. The explant sterilization treatment device for the bluegrass tissue culture comprises a tank body, and further comprises a cover plate detachably connected to the tank body, the leak disc is connected in the tank body in a lifting manner; when the pressure of the infusion cylinder changes, the relative distance between the atomization nozzle and the explant can be automatically adjusted through linkage of the sliding block, the pull rope, the third spring, the connecting disc and the atomization nozzle, when the pressure is large, the distance is increased, a sterilizing agent is more evenly dispersed, excessive or insufficient local sterilization is prevented, the explant is protected against physical damage, and when the pressure is small, the distance is shortened, and the sterilization effect is good. The method ensures that the sterilizing agent intensively covers the surface of the explant, ensures that each part can be effectively sterilized, improves the uniformity and reliability of sterilization, and is beneficial to improving the quality of the explant and the success rate of subsequent tissue culture.

The utility model discloses a kind of citric acid fermentation fine filter devices, belong to citric acid production technical field.Device is composed of fermentation unit and fine filter unit: fermentation unit contains seed tank and fermentation tank, the feed inlet of seed tank is connected with syrup turbid liquid pipe, the feed inlet of fermentation tank is connected with syrup clear liquid pipe and syrup turbid liquid pipe, seed tank and fermentation tank are configured with steam, compressed air, defoaming agent, emptying and circulating water pipeline.Fine filter unit first removes most solid impurities with primary plate-and-frame filtration, then ceramic membrane fine filtration and anion and cation exchange impurity removal.Two-stage filter-pressing acid residue is dried after being thickened and then filter-pressing to be feed, and two-stage filtrate respectively enters subsequent process.The device can greatly reduce labor cost and failure rate, improve citric acid purity and yield, and meet the needs of large-scale, high-quality and green production.

The utility model discloses an edible fungus strain storage device, which belongs to the technical field of strain storage, and comprises an outer box body, a connecting mechanism is arranged on the outer side of the outer box body, a storage assembly is arranged in the outer box body, a sealing assembly is arranged at the top of the outer box body, a constant temperature assembly is arranged in the outer box body, and the constant temperature assembly is connected with the outer box body. When the number of strains is large, through mutual connection and assembly of the limiting blocks, the limiting clamping grooves, the connecting grooves and the connecting clamping strips, storage of the strains is facilitated, redundant boxes of other specifications are not needed, and when the environment temperature and humidity exceed the set range, the intelligent temperature control and humidity adjusting system body can automatically start heating, refrigerating or humidifying and dehumidifying functions; according to the monitoring and early warning system, the strain is ensured to be in the optimal growth environment, sterilization is performed through the ultraviolet breathing lamp, the sterile state of the storage environment is ensured, and when it is monitored that the strain activity is reduced or abnormal conditions occur, the monitoring and early warning system body can automatically give out early warning through the early warning lamp to remind a user to take measures in time, and strain loss is avoided.

The utility model relates to the technical field of sterilization devices, and discloses a canned bottle sterilization device which comprises a base, a disinfectant fluid bin is fixedly connected to the upper portion of the base, an overturning and placing mechanism used for overturning canned bottles is arranged in the disinfectant fluid bin, and the overturning and placing mechanism comprises a gear, an overturning box, a draining box, a rack and a connecting rod; when sterilizing liquid in a disinfectant fluid bin is continuously accumulated to reach a connecting hole of an atomizing spray head, the sterilizing liquid can be discharged through a spray head hole of the atomizing spray head, the sterilizing liquid can be used for preventing the cans from being damaged by high temperature, and the surfaces of the cans can be fixed by matching with a groove plate in a draining box and by means of rubber rings in placing holes in the groove plate; and by virtue of the rebound resilience of the rubber, the impact force around the can bottle is buffered during overturning, so that the can bottle is prevented from being broken, the use of the can bottle is ensured, and the economic cost is reduced.

The utility model provides a kind of side press nose spray device, it includes: outer shell, bottle, air inlet component, liquid inlet component and liquid outlet component, the bottle is used to store medicament, the air inlet component, the liquid inlet component and the liquid outlet component are all located in the outer shell, the air inlet component is connected in the bottle top, the liquid outlet component, the liquid inlet component and the air inlet component are sequentially connected from top to bottom;The air inlet component is connected with the bottle and the liquid inlet component by a liquid guide pipe.The utility model solves the technical problem caused by the inconvenient operation mode of the unseparated gas-liquid channel of traditional nose spray device.

The utility model relates to the technical field of medical equipment, and discloses a disposable manual bladder irrigation device which comprises a first placing plate, the bottom end of the first placing plate is rotatably connected with a second placing plate, a first storage bin is arranged on the first placing plate, an injector body is arranged in the first storage bin, and a second storage bin is arranged on the second placing plate. The syringe body, the sterile bowl, the sterile tray, the scissors, the absorbable drapes, the sterile gloves and the sterile cotton are arranged on the first placing plate and the second placing plate to be assembled into a whole set, the syringe body is changed into the pagoda-type nipple to be matched with a urinary catheter cavity, and therefore the novel urinary catheter is more airtight than before improvement. According to the disposable syringe, leakage of flushing fluid is reduced, the flushing pressure and speed are guaranteed, the 20ml volume in the syringe body ensures that blood clots can be dispersed by the pressure which is quickly flushed without damaging the bladder wall, and the drapes, the sterile gloves and the aseptic cotton can be absorbed, so that the sterility of bladder flushing is guaranteed.

The invention relates to the technical field of acrylate pressure-sensitive adhesives, and discloses an irradiation cross-linked antibacterial pressure-sensitive adhesive and a preparation method and application thereof, the irradiation cross-linked antibacterial pressure-sensitive adhesive comprises the following raw material components by weight: 80-99.5% of an acrylate polymer, 0.5-20% of an antibacterial agent and 0.5-3% of a cross-linking sensitizer, monomers forming the acrylate polymer comprise a soft monomer, a functional monomer and a hard monomer, the soft monomer comprises (methyl) acrylate with an alkyl group with 2-18 carbon atoms, and the hard monomer comprises methyl (methyl) acrylate, ethyl methacrylate, isobornyl methacrylate and isobutyl methacrylate; the cross-linking sensitizer comprises a polyfunctional carbon-carbon unsaturated bond compound, and the polyfunctional carbon-carbon unsaturated bond compound comprises triallyl isocyanurate, trimethylallyl isocyanurate, triallyl cyanurate, trimethylallyl cyanurate and trimethylolpropane trimethacrylate. The cross-linking sensitizer comprises a polyfunctional carbon-carbon unsaturated bond compound, and the polyfunctional carbon-carbon unsaturated bond compound comprises triallyl isocyanurate, trimethylallyl isocyanurate, trimethylallyl cyanurate, trimethylallyl cyanurate, trimethylallyl cyanurate and trimethylolpropane trimethylacrylate.

This utility model discloses a double-sealed sterile sealing cap and a burlap sack, including an inner cap, an outer cap, and a sealing assembly between them. A first annular sealing ridge on the edge of the inner cap and a first annular sealing groove on the outer cap are press-fitted to form an inner cavity, and a sealing ring enhances the sealing performance. A second annular sealing ridge is provided on the edge of the outer cap, on which an annular airbag is embedded. Inflated through the air inlet, it forms a radial compression sealing structure, achieving an outer layer seal. The sealing assembly also includes a vacuum valve penetrating the outer cap, allowing vacuum evacuation of the container through the air vents in the inner cap. A locking assembly consisting of a pressing block, an elastic connecting strip, and a latch is provided on the top of the outer cap to further strengthen the seal. This sealing cap, through its double-sealing structure and the synergistic effect of vacuum sealing and airbag sealing, effectively ensures the sterility of the burlap sack, prevents contamination, and improves ease of use and stability, making it suitable for the stringent requirements of sterile packaging in the medical field.

The utility model relates to the technical field of medical instruments, and discloses a collection and treatment device for colostrum oral immunization, which comprises a milk storage bag, a breast pump connecting piece and smearing cotton, a connector is fixedly arranged at the center of the upper end of the milk storage bag, a first external thread is arranged on the outer surface of the connector, and a first internal thread is arranged on the inner wall of the connector; the first external threads formed in the connector are used for being in threaded connection with a breast pump connecting piece, and the first internal threads formed in the connector are used for being in threaded connection with smearing cotton. According to the collection and treatment device for colostrum oral immunization, by arranging the second external threads, the milk storage bag can be effectively connected with smearing cotton through the connector, when the milk storage bag is squeezed, colostrum can infiltrate a cotton head through a cotton swab, smearing of premature infants is achieved, an injector does not need to be used, overall operation is simple, and waste of the colostrum is avoided.

The invention discloses a whitening and brightening type mask and a preparation method thereof, and the whitening and brightening type mask is prepared from the following raw materials in parts by weight: 30-80 parts of fresh milk; 18 to 40 parts of vitamin C powder; 3-12 parts of a seaweed extract; 2 to 6 parts of octyldodecanol; 12 to 27 parts of collagen peptide; 23 to 63 parts of pearl powder; 30 to 80 parts of mulberry fruit extract; the vitamin C powder is obtained by distilling, concentrating, freezing and drying a vitamin C solution; according to the whitening and brightening type facial mask, the facial mask essence and the vitamin C powder are subpackaged, so that the vitamin C powder is not mixed with the facial mask essence when not used, and the vitamin C powder can always keep the melanin lightening capacity; the whitening and brightening type mask has the effects of fading melanin, whitening skin, fading stains, preserving moisture, moistening, shrinking pores, resisting wrinkles, tightening and the like, and can fully achieve the effects of whitening and brightening the skin of a user.

The present invention discloses a disinfection and purification individual mobile isolation cabin system, including an isolation cabin body, a sealing system, a disinfection system and a plastic sealing system; the self-moving isolation cabin body is provided with a plurality of diagnosis and treatment ports for extending the patient's detection parts, a purification component for circulating the air in the cabin, and a negative pressure component for maintaining the negative pressure in the cabin; each diagnosis and treatment port is sealed with a transparent thin film for isolating the detection part; the isolation cabin body is sequentially transported to the sealing system, the disinfection system and the plastic sealing system through the mobile component, and the transparent thin film at each diagnosis and treatment port is removed, disinfected multiple times, and the transparent thin film for plastic sealing is re-melted on each diagnosis and treatment port. The disinfection and purification individual mobile isolation cabin system has a simple structure, which not only realizes the effective isolation of patients and effectively avoids direct contact transmission, but also realizes the rapid disinfection of the isolation cabin body and the replacement of the thin film for isolation and detection, which is more efficient and safe.

The invention provides a polymer double-cavity prefilled syringe which comprises a barrel with a bypass, the barrel is provided with a finger handle and an adapter, the adapter is provided with a needle seat, a needle body is fixed to the needle seat, and a protective cap is arranged on the outer side of the needle body. A front plunger, a middle plunger and a rear plunger are arranged in the barrel, and the rear plunger abuts against a plunger rod. The cylinder is formed by integral injection molding of polymer, a group of ribs which are arranged side by side and protrude towards the interior of the cylinder are arranged on the inner wall of the cylinder, the axial length of each rib is larger than that of the middle plunger, the bypass is formed by a gap between every two adjacent ribs, and the outer diameter of the cylinder is larger than that of the adapter; the protective cap is tightly connected with the needle seat, a first anti-falling mechanism is arranged on the joint face of the protective cap and the needle seat, and an inner cavity of the protective cap is communicated with the outside through a bacteria-blocking, hydrophobic and breathable filter membrane. The bypass is formed in the mode that the protruding edges protrude inwards, demolding is convenient, integrated injection molding machining can be conducted through polymers, cost is low, damage is not prone to occurring, and the using effect is good. The outer surface of the cylinder is smooth, the heat conduction performance is good, and the vacuum freeze-drying efficiency is high.

The invention relates to the technical field of medical instruments, in particular to a fixing structure for a clinical drainage tube of a female reproductive system, which comprises a drainage tube, and further comprises a fixing component detachably fixed on the drainage tube and used for fixing the drainage tube on a patient; the disinfection mechanism is detachably arranged on the drainage tube, the disinfection mechanism is used for disinfecting the drainage tube, and an anti-blocking mechanism is fixedly connected to the exterior of the disinfection mechanism and used for dredging dirt in the drainage tube; according to the scheme, the fixing assembly is arranged, the breathable grid adhesive tape is matched with the hook and loop fastener to fix the drainage tube, so that the movement phenomenon of the drainage tube is reduced, meanwhile, the elastic piece is matched, the drainage tube at the wound joint can be prevented from being bent, and the wound joint is prevented from being damaged. Meanwhile, a one-way valve is matched, so that the backflow of a purulent-blood mixture can be prevented, and the safety of the drainage tube is improved.

The invention provides a slow-release injection containing levosalbutamol and a preparation process thereof, the injection combines a ginkgo leaf extract, a resveratrol extract, vitamin B6, vitamin C, tea polyphenol and other auxiliary components, and through specific preparation steps, the injection can be prepared into the slow-release injection containing levosalbutamol. Comprising the following steps: preparing raw materials, mixing and dissolving, preparing a slow-release carrier, adjusting pH, filtering, filling, sterilizing and the like, thereby obtaining the injection with the slow-release effect. Wherein the ginkgo biloba extract and the resveratrol extract are obtained through specific extraction and purification steps, and the activity and purity of the ginkgo biloba extract and the resveratrol extract are ensured. Polylactic acid-glycolide (PLGA) is used as a sustained-release carrier material and is combined with the active component to form a stable sustained-release system. Every 20 ml of the injection contains 0.2-1 mg of levosalbutamol, and the injection is suitable for a treatment scene where the drug concentration needs to be maintained for a long time. The injection is simple and controllable in preparation process, the obtained product is good in stability and remarkable in slow release effect, and a new choice is provided for treatment of respiratory tract obstructive diseases.

The invention relates to the technical field of meat product segmentation, and discloses a meat product segmentation platform with a sterilization structure, the meat product segmentation platform comprises a main pipeline, two ends of the outside of the main pipeline are provided with a feeding bin and a discharging bin, the bottom of the main pipeline is fixedly connected with a drainage pipe, and the main pipeline is provided with a segmentation mechanism for segmenting meat on one side of the discharging bin; a feeding mechanism is arranged in the main pipeline, a plurality of ultraviolet lamp strips are fixedly connected to the interior of the main pipeline, and a steam disinfection mechanism is arranged in the main pipeline. The cutting knife is driven by the rotating ring and the connecting rod to conduct centrifugal or centripetal deflection, so that meat products are cut, in the cutting process, the whole cut deviates inwards, and after cutting is completed, the whole cut is in the center gathering state, and therefore the exposed area of the cut is effectively reduced, the probability that the meat products are polluted by bacteria is reduced, and the cutting quality of the meat products is improved. And moreover, the whole shape of the meat product is more complete due to the inwards-contracted notches.

The utility model relates to the technical field of degerming and filtering, and discloses a degerming and filtering device for biopharmacy, the top of a shell is communicated with a feeding pipe for filling biopharmacy raw materials, and the top of the feeding pipe is in threaded connection with a cover plate; a connecting frame is fixed in the shell, a filtering hopper for filtering biopharmaceutical raw materials is fixed to the bottom of the connecting frame, a steam generator for conducting high-temperature sterilization on the biopharmaceutical raw materials is installed on the top of the inner wall of the shell, a rotating shaft and a supporting frame are driven by a gear motor to rotate, and a sliding plate is pushed to be attached to the inner side wall of a sliding groove under the elastic force of an elastic piece; the scraping plate is arranged on the inner wall side of the filter hopper, so that the residual biological medicine liquid raw materials on the side wall and the bottom of the filter hopper are scraped, and the biological medicine liquid raw materials are prevented from being left on the inner wall side of the filter hopper after being filtered; biological medicine liquid raw materials can be effectively prevented from remaining on the inner wall side of the filtering hopper after being filtered, and pollutant residues can be reduced.