1280 results about "Cross infections" patented technology

The object of this invention is to provide a safe lancet disposer which prevents a lancet, having been used for blood collection, from being reused, thus preventing secondary infection and cross infection. The safe lancet disposer (100) of the present invention includes a cutting unit (110) which cuts an end of a needle of a lancet, a receiving unit (140) which is disposed under the cutting unit (110) to receive therein the cut end of the needle, and an operating unit (170) which is rotatably mounted to the receiving unit (140) and operates the cutting unit (110). The cutting unit (110) has an insertion plate (112), a support plate (118) and a cutting plate (128). The receiving unit (140) has a receiving housing (142) and a receiving container (160). The operating unit (170) has an operating lever (172).

The invention discloses a full-function liquid medicine preparation intelligent robot and a medicine preparation method thereof. The full-function liquid medicine preparation intelligent robot comprises a shell, a medicine rack, a bottle taking mechanical arm, a liquid pumping mechanical arm, a bottle clamping mechanism and a liquid medicine shaking device, and is characterized in that: the shellis provided with an operating door with a seal; the medicine rack is arranged in the shell and corresponds to the operating door; the medicine rack has a rotary structure with more than two side faces; and each side face of the medicine rack is provided with accommodating areas for different medicines, and an indoor constant temperature and disinfecting cotton ball accommodating area. The intelligent robot has the property of full functions of preparing medical liquid, nutrient solution and chemical therapy medicines, radically changes the traditional mode of preparing cytotoxic medicines andthe manual preparation environment, has the characteristics of accurate liquid preparation, sterile preparation process and no cross-infection, protects the health safety of medical workers, avoids the leakage of the cytotoxic medicines, is environment-friendly, and saves cost of hospital medication and labor cost.

The Breviscapine infusion preparation is compounded with Breviscapine as main component, glucose or sodium chloride, propylene glycol, L-arginine, sodium bisulphate, EDTA-2Na and water for injection through certain technological process. The preparation is suitable for great dosage application clinically to avoid cross infection caused by intermediate links. In addition, the present invention is clear and stable.

The invention discloses a method for germinating Chinese pear hybrid seeds, which comprises the following steps of: A, Chinese pear allocarpies picking; B, fruit sorting: sorting according to grade to reduce the cross infection of fruit surfaces; C, pre-storage: storing Chinese pear allocarpies of different grades in a ventilating shade place in advance; D, fruit refrigeration: placing the pre-stored fruit in a refrigerated cabinet for refrigeration and keeping the temperature in the refrigerated cabinet constant; E, seed separating and cleaning: removing fruit pulp to obtain the Chinese pear hybrid seeds and rinsing the Chinese pear hybrid seeds with clean water; F, seed sand storage: immersing the seeds in warm water for soaking the seeds and then storing the seeds in sand; and G, sowing: after the seeds germinate, sowing the germinated seeds in a prepared seedling box on a warm day. The method is easy to implement and simple and convenient in operation, and improves the germination rate of the Chinese pear hybrid seeds due to the fact that the Chinese pear allocarpies are stored in the refrigerated cabinet for refrigeration till the Chinese pear seeds are completely ripen in the fruit and then the seeds are stored in sand.

The invention relates to an intelligent facial tissue distributor, which comprises a shell, a facial tissue feeding mechanism, a facial tissue cutting mechanism and a control circuit. The facial tissue cutting mechanism is located below the facial tissue feeding mechanism, the facial tissue feeding mechanism comprises a transmission shaft and a driven shaft, the driven shaft closely matches with a side surface of the transmission shaft, the transmission shaft is driven by a facial tissue outlet motor, the transmission shaft and the driven shaft are respectively transversely fixed at two ends via tension springs, the facial tissue cutting mechanism comprises a movable knife, a fixed knife, a knife rest and a driving shaft, the movable knife is mounted above the knife rest, a plurality of spring holes are longitudinally arranged at the front end of the knife rest, springs are mounted in the spring holes and match with the front end of the movable knife, the rear end of the movable knife is fixed on the knife rest, the rear end of the knife rest is fixedly connected with more than one rack, and the driving shaft is provided with a gear matching with the racks and is driven by a movable knife driving motor. The intelligent facial tissue distributor can realize automatic facial tissue feeding and cutting, prevents hands of a user from directly contacting with facial tissue, is convenient and sanitary in use, and avoids cross infection.

The invention discloses a negative pressure ward in combination use in ordinary times and epidemic times. The negative pressure ward comprises a medical care corridor, ward bodies, a patient corridorand buffer rooms, wherein a power distribution type ventilation system comprises a main ventilating machine, ventilating control modules, a main exhaust blower, exhaust air control modules, differential pressure sensors used for monitoring the differential pressure between the ward body and the corresponding buffer room and air quality sensors used for monitoring the air quality conditions in theward bodies, meanwhile, the invention further discloses a ventilation control method of the negative pressure ward in combination use in the ordinary times and the epidemic times, when the ward bodiesare used as the negative pressure ward bodies, the exhaust air control modules can adjust the exhaust air rate in a linkage mode by combining feedback signals of the differential pressure sensors, and it is ensured that the designed differential pressure can immediately return to normal after being damaged to prevent cross infection, when the ward bodies are used as the common ward bodies, the ventilating control modules can adjust the ventilating volume in a linkage mode by combining feedback signals of the air quality sensors, then the exhaust air control modules are linked to adjust the exhaust air volume, and it can be guaranteed that energy consumption is reduced when the ward bodies are used as the common ward bodies.

The present invention discloses an animal urinalysis method and an analysis particle preparation method. The animal urinalysis particle comprises 45 to 90 portions of base materials, 1 to 21 portions of adhesive agents, 1 to 45 portions of water absorber and 1 to 81 portions of urine visualization reagent by weight. The animal urinalysis particle of the present invention can realize animal excrement removal and urine detection, promptly and accurately reflect physiological functions and states of all inner organs, show great significance to diagnose animal disease early and prevent crossed infection of animal diseases due to direct contact between human being and animals, conveniently and quickly grasp animal health information, facilitate to eliminate animal excrement, ensure health, environmental protection and easy natural degeneration and provide organic fertilizers and water retention agents after being degenerated and recovered.

The invention discloses a sample pad processing liquid, a H7 subtype avian influenza virus colloidal gold test strip and a preparation method thereof, the processing liquid is prepared as follows: taking 8-20g of PEG(polyethylene glycol)-200, 11-25g of PVP (polyvinyl pyrrolidone), 10-45g of BSA (bovine serum albumin), 0.5-30ml of Triton X - 100, and 0.8-15ml of Twain-20, then using 5mM-10mM phosphate buffer solution to fix the volume to 1L, and adjusting the pH value to 9.5; and the colloidal gold test strip is formed by overlapping and pasting in turn a sample pad, a glass fiber membrane, a cellulose nitrate membrane and absorbent paper on a bottom plate, and the sample pad is processed by the processing liquid. The processing liquid can increase the sample pad hydrophilicity, contributes to the sample pad fast wetting, and promotes the chromatographic effect, aqueous solution formed by dissolving large molecules in water has suspension and dispersion effect, and can protect virus antigen in a sample. The test strip has the advantages of safe and simple operation, strong specificity, high sensitivity, and low rate of cross infection.

The invention relates to an automatic bed making machine for an examination bed in a consulting room, and belongs to the technical field of medical and health equipment. The automatic bed making machine comprises a cloth storage box (2) and a cloth rolling box (8), wherein the cloth storage box (2) is used for storing disposable bed sheets, and the cloth rolling box (8) is used for recovering the bed sheets. A cloth pressing device (3) is fixedly arranged at a cloth outlet of the cloth storage box (2), a cloth feeding bracket (4) corresponding to the cloth outlet is arranged on the cloth storage box (2), a rotatable cloth rolling shaft (22) is arranged in the cloth rolling box (8) and connected with a driving mechanism, and a cloth recovery bracket (10) and a rotatable cloth pressing roller (21) corresponding to a cloth recovery port is arranged on the cloth rolling box (8). The automatic bed making machine is simple in structure, convenient to operate, capable of conveniently and automatically sheeting the bed, and rapid and convenient in bed making, the problem of cross infection can be effectively avoided, and the working intensity of medical staff can be greatly relieved.

The invention discloses a medical ultrasonic sterilization couplant, which is prepared from the following components in part by weight: sodium hydroxide 5-20, glycerol 150-450, ethylparaben 2-9, carbomer 10-50, chlorhexidine hydrochloride (CHX-HCL) 0.2-0.8, ethylene diamine tetraacetic acid (EDTA) 0.3-1.2, and distilled water 725-2,000. The couplant has a good acoustic matching and coupling function, avoids corroding and swelling ultrasonic probes, has disinfection and sterilization functions, avoids stimulating and sensitizing skin mucosae and can realize synchronous, quick and continuous disinfection and sterilization of the ultrasonic probes and the skin mucosae and effectively reduce potential intra-hospital cross infection risks caused by the contact of the ultrasonic probes (therapeutic heads) with human bodies in medical supersonic inspection and treatment processes. The couplant is applicable to trans-skin mucosa, transvaginal and transrectal ultrasonic diagnosis and treatment.

The invention relates to a medical environment-friendly sterilization ultrasound coupling agent and a preparation method thereof, wherein the ultrasound coupling agent comprises the components based on the parts by weight: 5-30 parts of corn starch, 2-2.5 parts of 30% of hydrogen peroxide, 0.04-0.08 part of ferrous sulphate, 2-2.5 parts of sodium hydroxide, 1.2-1.5 parts of sodium borate, 0.10-2.00 parts of iodine, 3.00-20.00 parts of fatty alcohol-polyoxyethylene ether, 0-1.00 part of potassium iodide, 0-1.00 part of potassium iodate, 1.00 part of glycerin, 0.20 part of citric acid and 60-78parts of water. When being used for ultrasonic detection, the ultrasound coupling agent ensures the detection image to be clear and the cross infection risk which is possibly caused by the ultrasonicdetection to be little, does not swell and corrode an ultrasonic probe, can be degraded so as to be free from environmental pollution, and has the characteristic of strong environmental conservation property. The ultrasound coupling agent prepared by the method has the advantages of wide source of raw materials, good environmental conservation property, low price, simple preparation working procedures and low equipment investment.

The invention discloses a method for detecting infectious spleen and kidney necrosis viruses by using hyper-branched rolling circle amplification, which is characterized by comprising the following steps of: (1) designing one locking type probe and a pair of universal primers for the connection sequence of the locking type probe; (2) making a connecting reaction system of the locking type probe for connecting reaction; and (3) making an HRCA (Hyper-branched Rolling Cycle Amplification) reaction system for HRCA reaction, and finally detecting the products of the HRCA reaction. Compared with the method for detecting the infectious spleen and kidney necrosis viruses by using PCR (Polymerase Chain Reaction) in the prior art, the method has the advantages of higher sensitivity, specificity and convenience, can be applied to actual production sites and is beneficial to detecting and controlling the cross infection of the infectious spleen and kidney necrosis viruses in the cultivation of aquatic animals.

The invention discloses a treatment box for disposable medical instruments. The treatment box for the disposable medical instruments comprises a box body and a pull type material collecting groove. A first breaking wheel is arranged at the left end of an inner cavity of the box body. The first breaking wheel is in transmission connection with a motor through a belt. The motor is arranged on the upper surface of a motor support. A second breaking wheel is arranged at the position corresponding to the right side of the outer surface of the first breaking wheel. The second breaking wheel is connected with a telescopic rod through a connecting shaft. The telescopic rod is arranged on the left side of a telescopic support. A sliding groove is arranged at the connection position between the connecting shaft and the box body. A discharging baffle is arranged at the lower end of the inner cavity of the box body. The pull type material collecting groove is arranged at the lower end of the outer surface of the discharging baffle. Because the sliding groove is arranged at the connection position between the connecting shaft and the box body of the treatment box for the disposable medical instruments, the demand of people for breaking treatment of medical instruments of any size can be met under the action of the telescopic rod; and in this way, the problem that lawbreakers recycle the medical instruments, so that cross infection is caused is completely solved.

The invention discloses an oil-in-water type nanometer emulsion adjuvant and MRSA nanometer emulsion adjuvant vaccine and a preparing method thereof. The nanometer emulsion adjuvant is prepared from, by mass, 1-30% of surface active agent, 0.1-15% of cosurfactant, 0.1-15% of oil phase and 40-98.8% of water; the adjuvant is clear and transparent liquid from appearance, the particle size ranges from 1 nm to 100 nm, viscosity is low, the adjuvant belongs to a highly thermodynamics stabilizing system, and therefore high-speed centrifugation is stable without layering; when being compatible with the vaccine, the adjuvant can wrap the vaccine or be directly mixed with the vaccine physically for use, and immunity can be achieved by means of administration routes such as intramuscular injection and nasal drip. The adjuvant has the advantages of being low in cost, convenient to administrate, small in toxicity, good in liquidity and small in irritation to organism, and avoiding cross infection, the immune effect and stability of the vaccine are effectively improved, and the adjuvant has a wide application prospect.

The invention discloses a disinfectant health-care aromatic hand paper towel and a preparation method thereof. The hand paper towel comprises the following components: softwood sulfite pulp, bamboo-pulp paper fiber, straw pulp, a cationic starch solution, a wet strength agent, a powerful antibacterial agent, an aromatic agent and titanium dioxide, wherein the wet strength agent is polyethylene ethylamine resin, the powerful antibacterial agent is composed of pure-oxygen-based quaternary ammonium salt, Sophora flavescens, common cnidium fruit, honeysuckle, borneol, isatis root, ethanol and distilled water, and the aromatic agent is composed of chitosan, ethanol, essence extract, deionized water, glycerin and triphosphoric acid. The prepared disinfectant health-care aromatic hand paper towel in the invention has the characteristics of no toxicity, harmlessness, environmental protection, highly-efficient antibacterial property and emission of aroma, can efficiently avoid contact-type cross infection with bacteria in public places and is safer and more secure to use.

The invention provides a microbiological detection system and device. The microbiological detection system comprises detection equipment, a user terminal and a server, wherein the detection equipmentis used for collecting at least one image of a detection area on a kit and sending the at least one image to the bound user terminal; the user terminal is used for receiving the at least one image andsending the at least one image to the server; and the server is used for identifying each image in the at least one image by utilizing an image identification model to obtain an identification resultof each image, determining a detection result of the current detection of the detected user according to the identification result of the at least one image, and sending the detection result to the user terminal. The microbiological detection system provided by an embodiment of the invention can be used for wirelessly monitoring microbiological screening results in a plurality of different scenes, can discover symptomatic and non-symptomatic infected people in time, is low in cost and wide in coverage range, and reduces the risk of cross infection due to the fact that users do not need to goto hospitals for examination.

The invention relates to the technical field of antibacterial gel, in particular to chitosan antibacterial gel and a preparation method thereof. Each liter of the chitosan antibacterial gel comprises the following raw materials by weight: 5-30g of modified chitosan, 2.5-10g of carbomer, 1-1.8g of alum, 2-40g of glycerol, 0.3-10g of lactic acid, 0.1-0.8g of menthol and 2-8g of sodium carboxymethylcellulose. The chitosan antibacterial gel which is good in curative effect, can be used for preventing relapse of inflammation and is harmless to human body is prepared by using the synergistic effect of modified chitosan serving as a major raw material as well as carbomer, alum, glycerol, lactic acid and sodium carboxymethylcellulose serving as auxiliary materials, and is suitable for preventing, treating and nursing various vaginal bacterial infections, trichomonas infections, mixed infections, vulvitis, leucorrhea, candidal infection as well as wound infections of cervix uteri, genital tract and mucous membrane. By using the chitosan antibacterial gel, wound healing after physical treatment of cervical erosion is promoted, and nursing of vaginal dryness as well as cross infections in sexual intercourse and the like is improved.

The invention provides an improved edible fungus inoculating machine, and relates to the field of processing machines. The improved edible fungus inoculating machine comprises a machine frame, a conveying mechanism which consists of a conveying belt and conveying troughs, a disinfecting mechanism which is positioned above the conveying belt, an inoculating mechanism and a control unit; the inoculating mechanism is provided with a strain crushing trough, wherein the bottom of the strain crushing trough is communicated with an inoculating pipe, a strain grasping roller and a pushing device which rotate inversely are arranged in the strain crushing trough, and an inclined material inlet is formed in the side wall of the strain crushing trough. Grasping needles are arranged at the upper end of the outer wall of the grasping roller; stirring forks are arranged at the lower end of the grasping roller; the grasping needles are in clearance fit with the inside wall of the strain crushing trough to crush a strain; the strain can be crushed into fine strain particles; the crushing effect of the strain crushing trough is good. According to the improved edible fungi inoculating machine, the inoculating machine integrates feeding, strain crushing and inoculating, so that processing steps and processing devices of an edible fungus inoculating machine are greatly reduced; the edible fungus inoculating machine is more compact and portable, and is convenient to use; meanwhile, the improved edible fungus inoculating machine is provided with the disinfecting machine for disinfecting a fungus bag; cross infection among fungus bags is effectively avoided; normal germination and growth of the strain are ensured.

The invention discloses an assembled rapid intelligent temperature measurement and purification monitoring system based on project work resumption and epidemic prevention and control and a monitoringmethod thereof, and belongs to the field of epidemic prevention and control. The monitoring system comprises an equipment body, wherein an inlet of the equipment body is provided with a recognition gate and a face recognition panel, and the recognition gate is provided with a recognition area; a temperature measurement area and a disinfection area are sequentially arranged in the equipment body, an infrared thermometer is arranged in the temperature measurement area, a first sealing door and a second sealing door are respectively arranged at an inlet and an outlet of the disinfection area, pedal switches are respectively arranged in front of the first sealing door and the second sealing door, and a spray disinfection unit is arranged in the disinfection area. The system overcomes the defects of low epidemic situation detection efficiency and easy infection in the prior art, not only can improve the detection efficiency, but also is conducive to avoiding cross infection, and can be better suitable for large-scale and severe epidemic situation prevention and control environments.

The invention discloses a dual-purpose mobile emergency isolation shelter ventilation air conditioner control system applicable to epidemic and ordinary situations. The dual-purpose mobile emergency isolation shelter ventilation air conditioner control system applicable to epidemic and ordinary situations comprises a mobile emergency isolation shelter body and a ventilation air conditioner system,and the interior of the mobile emergency isolation shelter is divided into a medical care working area, a buffer chamber and a ward; and the ventilation air conditioning system comprises a fresh airconditioning unit, an exhaust unit, a pressure difference sensor used for monitoring the pressure difference between the ward and the buffer chamber, an air quality sensor used for monitoring the interior of the mobile emergency isolation shelter, a temperature sensor used for monitoring the interior of the mobile emergency isolation shelter, a fresh air control module and an exhaust control module. Meanwhile, the invention further discloses a control method of the dual-purpose mobile emergency isolation shelter ventilation air conditioner applicable to epidemic and ordinary situations. Underthe sudden epidemic situation, rapid response, timely treatment and cross infection prevention can be achieved, the purposes of rapidly controlling epidemic transmission and diagnosing and treating the illness state of a patient are achieved, and a guarantee is provided for a public health emergency system in China.

The Chinese chestnut preserving process includes the following steps: picking chestnut, piling in reasonable mode, threshing and eliminating some water, soaking with pretreating agent, treating with preservative, improved sand preservation or film tent storage, and management in preserving period. To Chinese chestnut with pest, some fumigating step to killing pest in added before threshing and water elimianting step. The said process is simple, practical and suitable for small scale storage without using refrigerating equipment, and can reduce cross infection, increase the disease resistance of Chinese chestnut, reduce water loss during storage and prolong the preserving period of Chinese chestnut.

Disclosed are a liquid product of botulinum toxin type A and a method for conserving the potency of botulinum toxin type A using a dextrose solution. Free of a stabilizer, such as albumin or gelatin, the liquid product of botulinum toxin type A completely excludes the possibility of cross infections such as AIDS and bovine spongiform encephalopathy. In addition, botulinum toxin type A is preserved as a liquid product in combination with a dextrose solution and can be clinically used as is, without the aid of physiological saline. Therefore, the liquid product enjoys the advantage of being convenient for use and avoiding a decrease in the potency as occurs upon dilution with physiological saline. Serving as a natural preserving and stabilizing agent, the dextrose solution allows botulinum toxin type A to be stored and distributed in the form of liquid phase over a long period of time and conserves the potency of the toxin at a constant level, which in turn guarantees constant clinical results.

The invention relates to an epidemic situation information acquisition and analysis method and system, and the method comprises the steps: collecting personal daily inspection data which comprises atleast one of the basic information of a self-inspection person, a physical state, self-inspection time, a self-inspection place, a self-inspection action, and a self-inspection scene; and for different statistical analysis dimensions and / or different statistical analysis themes, performing data analysis operation on the personal daily inspection data to generate statistical analysis results for managers in different regions, different organizations or different levels. According to the invention, self-service acquisition, reporting and automatic statistical analysis of epidemic situation information can be realized, the efficiency and authenticity of information acquisition are improved, cross infection possibly occurring in epidemic situation information acquisition is avoided, and epidemic situations are effectively prevented and controlled.

The inVention proVides a semi-separation diagnosis table. The semi-separation diagnosis table comprises a diagnosis table body and a disinfecting-sterilizing separation deVice arranged on the front side of the diagnosis table body; the disinfecting-sterilizing separation deVice comprises a top coVer and supporting bodies supporting to the two ends of the top coVer, and semi-separation space for patients to see a doctor is defined by the top coVer and the supporting bodies; the disinfecting-sterilizing separation deVice is proVided with a flow channel caVity extending to the diagnosis table body from the top coVer, a sterilizing filtering unit and a draught fan are arranged in the flow channel caVity, a suction opening communicated with an inlet of the draught fan is arranged at the bottomof the top coVer, and an air outlet communicated with an outlet of the draught fan is arranged on the table surface of the diagnosis table body. Compared with the prior art, air purification and an air curtain separation are perfectly combined integrally through the semi-separation diagnosis table, the function that gas exhaled by patients is directly conVerted into a separation air curtain is achieVed, it is aVoided that air with germs are spread to the periphery while doctors are protected, and germ spreading and risk of cross infection generation are thoroughly aVoided.

The invention discloses a chopping board cleaning method, system and device. According to the method, the condition that a chopping board is put into the moving end of a cleaning groove is detected; the moving end accommodating the chopping board is conveyed into a cavity of a fixed end of the cleaning groove; a flushing device is sued for flushing the chopping board; the flushed chopping board is heated by a heating device; then, a refrigeration device is used for refrigeration. The chopping board is thoroughly flushed; a mode of matching the high temperature and the lower temperature is used for performing disinfection and sterilization treatment on the chopping board; the use safety of the chopping board is greatly improved; the crossed infection is effectively avoided.

The present invention discloses strong antibacterial ability medical packaging raw paper and a preparation method thereof, the strong antibacterial ability medical packaging raw paper includes coniferous wood sulfite pulp, cotton pulp, bamboo pulp fiber, kaolin, talc powder, a wet strength agent, an antibacterial agent, a defoamer, a flocculant, a sizing agent, a fiber dispersant and titanium dioxide; the antibacterial agent includes chitosan, thiabendazole, polyethylene glycol, a methylhydantoin compound and peroxyacetic acid, and the prepared strong antibacterial medical packaging raw paper is non-toxic, harmless, environmentally friendly, easy to use, more environmentally friendly, strong in antibacterial ability, and soft and comfortable in texture, can effectively prevent secondary bacterial cross-infection, and can make hospital medical device transporting safer.

The invention provides an oriental lily seed ball virus removing method, which specifically comprises the following steps of: A) stripping of explant growth points, B) heat treatment virus removal, C) cleaning and sterilization of explants, D) acquisition, induction and culture of growth points, E) virus-free culture and F) virus detection. The oriental lily seed ball virus removing method has the advantages that the defects existing in the prior art are overcome, the defects caused by a reason that a single method is used are overcome by comprehensively using a heat treatment virus removing method, a shoot tip culture virus removing method and a callus virus removing method, the probability of virus cross infection can be effectively reduced, the virus removal rate is high, the survival rate is high and the culture period of seed balls can be effectively shortened.

The invention discloses a large ovarian tissue vitrification freezing carrier. The carrier consists of a carrier inner core and an outer sleeve, wherein the carrier inner core is in threaded connection with the outer sleeve, maintaining high airtightness and preventing cross infection of the ovarian tissue; meanwhile, the user operation is also facilitated; the carrier inner core consists of a handheld part, a cap part, a support part and a bearing part sequentially from top to bottom; the bearing part is clamped and fixed by the support part; when in use, a large ovarian tissue is put on an end part of the bearing part, away from the support part; the end part is a large ovarian tissue loading area; experiments prove that by using the carrier disclosed by the invention, the permeation efficiency of a refrigerant is improved; moreover, the operation is simple, the price is low, batch storage of large ovarian tissues is convenient, and the carrier is suitable for promotion and application.