58results about How to "Protection from infection" patented technology

The invention relates to an intelligent sterile dispenser, and belongs to the field of medicinal mechanical equipment. The dispenser comprises a protective system, a transmission system and an operating table, wherein the transmission system comprises a dispensing needle delivery system and a dispensing needle installation system; and a peristaltic pump, a bottle opener and a dispensing needle are arranged between the protective system and the operating table. Manual dispensing is replaced by mechanical intelligent dispensing, a sterile environment is created in the dispensing process, dispensing workers and other persons possibly contacting the medicaments are fully prevented from being harmed by the medicaments, and the health of the dispensing workers and the other persons is ensured; and meanwhile, the curative effects of the medicaments are ensured, so that the health of patients can be rehabilitated more quickly and better.

It is a process method of hemolysin in special cell device and its application, which belongs to medical test agent technique field. The hemolysin is composed of NaCI, Na#-[2] HPO#-[4]íñ12H#-[2] O, KH#-[2] PO#-[4], cavaform and double stilled water. Each component is mixed and is put in the water for four to five hours and is shaken every thirty to forty minutes and to be filtered to get the agent. The hemolysin in this invention is used as surface marks of leucocyte in blood tested by the flow cell device.

The invention provides a kind of air filtering and purifying material and the using method. It is made up of strong oxidizer and non-volatile acid or alkalis which are attached on spongy ventilate carrier material that is oxytolerant acid proof. The method is: puts the material at the entrance or outlet of ventilate pipe in fan or conditioner. The invention uses the strong oxidisability of the strong oxidizer and acid or alkali environment to sterilize virus or bacteria, and eliminate the organic contamination and harmful material such as amine. It can be used in air sterilization and purification of hospital, home, hotal, office building, meeting room, train, plane, ship and so on.

The epimedic prevention mask with double valve is used in protecting medical worker contacting with infectious respiratory system diseases from infection. It is different from available mask in that it collects and sterilizes the expired air with virus to reduce the density of virus in ambient air greatly so as to protect the medical worker contacting with infectious respiratory system diseases from infection. In addition, it produces no upset stuffy, hot and wet feeling and bad reaction while providing reliable protection performance. It may be also used by medical worker.

The invention discloses an antigen protein of avibacterium paragallinarum and application of the antigen protein. Amino acid sequences of the antigen protein are shown as SEQ ID NO.1. The invention further provides a reagent kit for detecting antibodies of the avibacterium paragallinarum and a vaccine preparation for the avibacterium paragallinarum. The reagent kit can be used for detecting the antibodies induced by outer membrane proteins of A-type thalli, B-type thalli and C-type thalli of the avibacterium paragallinarum or assisting in detecting the antibodies induced by the outer membraneproteins of the A-type thalli, the B-type thalli and the C-type thalli of the avibacterium paragallinarum. The antigen protein, the application, the reagent kit and the vaccine preparation have the advantages that immune states of chicken can be judged by the aid of detection results, so that corresponding measures can be adopted by farmers in the poultry industry; the reagent kit contains negative control serum and positive control serum, and accordingly the accuracy and the reliability of the detection results can be guaranteed; the vaccine preparation can be used for being vaccinated in thechicken, and accordingly the chicken can be effectively protected against infection of the A-type, B-type and C-type avibacterium paragallinarum.

The invention discloses a new utility of hepatitis B surface antigen-antibody compound in the hepatitis B vaccine non-respond or low-respond prevention agent, which is characterized by the following: purifying recombined HBsAG or inactivated serum HBsAG in the mammal cell, adopting hepatitis B with antibody serum or vaccine globulin as compound, improving anti-HBs ability for non-respond or low-respond mouse.

The invention provides a recombinant delta fHbp-NadA fused protein vector and a preparation method and application thereof, and further provides polyvalent meningococcus and pneumococcus conjugated vaccine based on the delta fHbp-NadA fused protein vector. According to the design, two active proteins are subjected to fusion expression through a flexible connecting peptide chain; activities of both the proteins are maintained while the two proteins are fused into the single protein; thus, during industrial production and immunization, controllability is improved, risk is reduced greatly, and more polysaccharide-protein binding sites can be provided.

The invention discloses a continuous sterilization mask. The mask comprises a mask body and a sterilizer embedded in the mask body; and a breather valve, an adsorption layer and an ultraviolet lamp are arranged in the sterilizer, and the breather valve is arranged on one side outside the mask and used for preventing outside splashed droplets and internal ultraviolet rays from leaking and keeping ventilation smooth. The ultraviolet lamp is arranged on one side in the mask; and an adsorption layer covering the cross section of the sterilizer is arranged between the breather valve and the ultraviolet lamp, and the adsorption layer is connected with a power supply, so that the surface of the adsorption layer is provided with charges, and the charges are the most important barrier for adsorbingviruses and have the characteristic of no fear of consumption. Viruses can be killed while bacteria are adsorbed, a wearer can be protected from infection, infectors can also be prevented from infecting others, and the disinfection-resistant design ensures the characteristics of long time and reusability. Virus detection can be carried out for multiple times, a detection result is uploaded in real time through a built-in communication device, and a guarantee is provided for prevention and treatment work of influenza and other diseases.

The invention relates to the technical field of molecular biology and immunology and particularly relates to an enterovirus 71 type epitope, an antibody, application and a vaccine thereof. The epitope of the EV71 virus is located on a coat protein VP3 of the EV71 virus and is capable of specifically identifying the EV71 virus; besides, the epitope is presented through a PP carrier to cause a high neutralizing titer, and the serum after immunity is capable of effectively protecting the young rat from EV71 virus infection. The neutrality detection result of the polyclone on each EV71 subtype pseudovirus shows that the polyclonal antibody provided by the invention has high and broad-spectrum neutralizing titer. In addition, the passive protection and the maternal vertical protection experiments prove that the polyclonal antibody provided by the invention can completely protect the young rat from EV71virus infection.

The invention relates to a shaving mousse for men and a preparation method thereof. The shaving mousse comprises the following components by weight percent: 1-5% of thuja occidentalis or cape jasmine extract, 10-20% of stearic acid, 1-5% of glycerol monostearate, 0.1-1% of myristic acid, 0.1-1% of palmitic acid, 2-5% of coconut oil, 1-5% of palm oil, 0.1-1% of polyethenoxy ether lanolin, 1-5% of sorbitol, 1-10% of glycerol, 1-2% of triethanolamine, 3-10% of sodium hydroxide, 3-10% of potassium hydroxide, 0.1-0.5% of common antioxidant, 0.1-0.5% of essence, 0.1-0.5% of menthol, 0.1-0.5% of common preservative, 7-10% of LPG propellant and 8-68.2% of deionized water. As thuja occidentalis or cape jasmine extract is added, the invention has the functions of sterilization, anti-inflammation, virus resistance, beauty, skin protection and skin infection resistance; and the shaving mousse can also expand beard, soften hairs and relieve skin, thus having the advantages that beard is easy to shave and the operation is convenient.

An embodiment of the invention relates to the technical field of biology, in particular to a Zika / dengue vaccine and application thereof. The invention obtains epitope information of a main antibody causing an ADE effect based on crystal structure analysis and analysis of other structures and functions. According to an antigen provided by the embodiment of the invention, mutation is introduced into an E protein FL fusion region of a Zika virus or a dengue virus, and the antigen with the mutation cannot be combined with an antibody (FLE antibody) causing ADE. According to the vaccine obtained based on the antigen provided by the invention, after immunizing, generation of an FL epitope-induced antibody can be avoided, so that the ADE effect is reduced or eliminated.

The present invention relates to the manufacture of a respirator and in particular a graphene multifunctional air-conditioning respirator. The graphene multifunctional air-conditioning respirator comprises a respirator body; a heat emitting sheet is arranged in the respirator body; the upper side and lower side of the respirator body are provided with conductive cloth tapes; power source lines are distributed in the conductive cloth tapes; the respirator body is provided with a USB interface; and the respirator body includes a first anti-sticking cloth layer, a second filtering cloth layer, a third carbon cloth layer, a fourth filtering cloth layer, a fifth heat emitting sheet layer and a sixth anti-sticking cloth layer which are distributed sequentially from inside to outside; and the respirator body is shaped to fit the face of a user. According to the graphene multifunctional air-conditioning respirator, the temperature of air at the inner side of the respirator can be increased through electric conduction and heat emission, and therefore, the temperature of air which is inhaled into the mouth of the user can be improved, the body temperature of the respiratory tract and lungs of the user can be protected, and the respiratory tract and lungs will not lose their functions; far infrared light heat waves emitted by the graphene heat emitting sheet can repel PM2.5 to a certain extent, and therefore, PM2.5 that is inhaled into the mouth can be reduced; the dryness of the respirator can be maintained; and sterilization and deodorization can be realized.

The invention relates to the technical field of medical auxiliaries and particularly relates to a non-contact type nasopharynx detection robot. The non-contact type nasopharynx detection robot comprises a sampling end assembly, a signal transmission assembly, a control terminal assembly and a power supply, wherein the sampling end assembly is used for receiving signals and performing automatic nasopharyngeal swab sampling actions, the signal transmission assembly is used for completing real-time two-way transmission operation on signals of the sampling end assembly and the control terminal assembly, the control terminal assembly is used for sending a nasopharyngeal swab sampling instruction and controlling the sampling end assembly to perform sampling operation, and the power supply is used for supplying power to the sampling end assembly, the signal transmission assembly and the control terminal assembly. According to the non-contact type nasopharynx detection robot, nasopharyngeal swab sampling is carried out on a sufferer by employing a machine, isolation of medical personnel from sampled personnel is ensured, and doctors are greatly protected from infection; through employing asix-dimensional force sensor, conditions of discomfort of the sufferer during sampling are avoided; and through arranging an automatic disinfecting component, cross infection among sufferers is avoided, and health safety of medical working personnel is guaranteed.

The invention discloses medical apparatus cleaning equipment. The medical apparatus cleaning equipment comprises a box body, wherein an opening cavity is formed in the left upper part of the box body,a buffer cavity communicating with the opening cavity is formed below the opening cavity, buffer fixing blocks are fixedly arranged on the left end wall and the right end wall of the buffer cavity, afeeding cavity is formed below the buffer cavity, and buffer blocks capable of sliding towards the two sides are arranged between the buffer cavity and the feeding cavity. According to the medical apparatus cleaning equipment, automatic cleaning of the medical apparatus is achieved, a user is protected from being infected while the cleaning efficiency is improved, and process of device is driventhrough the utilization of waste water obtained after cleaning, on the one hand, the concept of environmental protection is met, and on the other hand, the working times of the whole equipment can becontrolled by controlling the return stroke of a water tank to determine whether a spray head is opened or not.

The invention belongs to the technical field of animal disease detection, and discloses a specific antigen epitope for avian leukosis virus subgroup J, a fusion protein, a specific antibody and an application thereof. The amino acid sequence of the specific antigen epitope for avian leukosis virus subgroup J is shown in SEQ ID NO: 1. Experiments show that the antigen epitope responses to the serum of the subgroup J and does not responses to the serum of the subgroup AB, and can specifically recognize the avian leukosis virus subgroup J. The fusion protein can be prepared into a vaccine to stimulate a receptor to generate an antibody and protect the receptor against the infection of the avian leukosis virus subgroup J. The fusion protein can immunize animal to prepare the specific antibody of the avian leukosis virus subgroup J. The specific antibody of the avian leukosis virus subgroup J can be specifically recognized with the specific antigen epitope for avian leukosis virus subgroup J, and a detection kit is developed to distinguish the avian leukosis subgroup AB and the avian leukosis subgroup J.

The invention discloses a pseudorabies virus gene deleted strain, and a preparation method of an inactivated vaccine for porcine pseudorabies. The gene deleted strain is a pseudorabies virus gE gene deleted strain, which is constructed through reading frame frameshift mutation caused by deletion of a plurality of basic groups from a wild-type pseudorabies virus (PRV) strain gE gene sequence. The preparation method includes the following steps: constructing the pseudorabies virus gE gene deleted strain; domesticating a porcine testicular cell and subjecting the same to suspension culture; inoculating the porcine testicular cell with the pseudorabies virus gE gene deleted strain, and harvesting a cell culture when 80-90% of the cell has lesions to obtain cell venom containing supernatant; taking the supernatant to measure the valence, and inactivating the qualified cell venom in a sterilization container; and mixing the inactivated cell venom with an adjuvant to obtain the inactivated vaccine for the porcine pseudorabies. The prepared inactivated vaccine for the porcine pseudorabies has high immunogenicity, long immunization period, and no side effects after immunization, is safe andreliable, and can effectively prevent infections of pseudorabies virus epidemic strains.

The positive-pressure anti-virus cooling protective clothing can be divided into the positive-pressure anti-virus cooling head cover and the protective clothing, the head cover and the protective clothing can be used independently according to the actual situation during use, when the head cover and the protective clothing are combined for joint protection, the sealing zipper and the hook-and-loop fastener are used for sealing connection, and the cleaning gas needed by breathing of a person is that air is sucked into the disinfection tank through the draught fan; after disinfection, the clean gas is cooled and continuously fed into the head cover, so that clean positive-pressure gas is generated in the head cover, external virus gas is isolated, virus infection is avoided, the mouth, the nose, the eyes and the face of a user are protected, breath and hands are isolated from viruses, and the effects of positive pressure, virus prevention and cooling are achieved; the device is necessary anti-virus equipment for enterprises and public institutions, organizations and groups, families, hospitals, vehicles, shops and supermarkets and public entertainment venues.

The invention discloses a shape-adaptive pelvic floor muscle group trainer, comprising a probe, a medium source and a control terminal, wherein the probe is provided with a cylindrical main body, the main body is provided with a plurality of limiting devices which can be rotated out or pulled out, the main body is covered by an elastic material, the surface of the elastic material is provided with a plurality of bulges in capsule arrangement, space is formed between the main body and the elastic material, and the main body or the surface of the elastic material is provided with a pressure sensor; the tail end of the main body is connected with the medium source by means of a valve, and the control terminal is provided with a control interface, which is connected with the pressure sensor and the medium source in a wireless way, can control the injection and the extraction of a medium, and receives a real-time pressure signal fed back by the pressure sensor. Shape and length self-adaption, and visual and dynamic training are realized, and the internal environment of a human body is prevented from being infected.

The invention relates to the field of biological products for animals, and specifically relates to a streptococcus suis subunit antigen, and an amino acid sequence encoding the protein. The invention also relates to and providesa streptococcus suis vaccine composition, and the vaccine composition is used for the prevention and / or treatment of diseases associated with streptococcus suis and infections caused by streptococcus suis.

The fusion virus-like particle contains protein capable of forming virus-like particle as carrier and fused protective target virus antigen. Specifically, human hepatitis B virus core antigen forming virus-like particle is used as the carrier, and protective target virus antigen gene segment is fused in to form fused virus-like particle, which is further mixed with adjuvant, if any, to form vaccine. The target antigen may display its surface to produce relatively high B cell activity and stimulate T cell to produce protective immunity. During use, the vaccine may be made to enter body via injection, spraying, oral taking, dropping to nose or eye, penetration, absorption or physical and chemical mediation.

The invention belongs to the technical field of biological medicines, and particularly relates to a bovine-derived A-type pasteurella multocida inactivated vaccine as well as a preparation method andapplication thereof. The inactivated vaccine prepared by the invention meets the safety requirements of inactivated vaccines. And a sensitive and specific indirect ELISA method for determining a serumantibody is established. When the prepared inactivated vaccine is used for immunizing mice and rabbits, a serum antibody with relatively high titer and longer duration can be generated, the generatedantibody can resist attack of A-type Pm, and meanwhile, a part of protective effect on attack of B-type Pm is shown. The inactivated vaccine immunizes cows and calves to obtain antibodies with high titer and relatively long duration, and the antibodies are maintained for at least 6 months. Meanwhile, the maternal antibody level of the born calves is high and is maintained for at least two monthsor more.

The invention provides a human eye image recognition method and device based on image processing and a self-service terminal. The method comprises the steps: obtaining to-be-detected face image data of a user, and obtaining eye image data from the to-be-detected face image data through an eye detection model; extracting a plurality of key point positions in the eye image data through a feature extraction method; according to the distance between the key point positions, matching the eye image data with face image data stored by a user in a predetermined face database to obtain matching similarity; and obtaining a human eye image recognition result of the to-be-detected human face image data according to a comparison result of the matching similarity and a preset threshold.

The invention discloses a tree pruning and wound repairing device for a road green belt. The tree pruning and wound repairing device comprises an automobile, a support arranged above the automobile, a collecting box arranged above the automobile, an air suction channel arranged at one side of the collecting box, a branch processing device arranged in the support and a dust removing device arranged in the support; and the branch processing device comprises a branch sawing-off structure, a wound repairing structure matched with the branch sawing-off structure, a branch smashing structure matched with the branch sawing-off structure, and a smashing disc structure fixed in position relative to the branch smashing structure. By means of the tree pruning and wound repairing device, the branch sawing-off structure is matched with the branch smashing structure to clean and collect branches, and the branches can be better sawn off through combination of the branch sawing-off structure and the branch smashing structure; and the wound repairing structure is arranged, wounds generated by sawing off the branches can be smeared with healing paste, and the branches are prevented from being infected.

The invention relates to a liquid wound surface protective film containing biological glass ceramic and chitosan. The liquid wound surface protective film is prepared by mixing the following components: 1.2g-8.5g of nitrocellulose, 1cc-10cc of biological glass ceramic and chitosan, 1ml-2ml of polyethylene glycol, 0.5ml-1ml of isopropyl palmitate, 0.3g-1.2g of castor oil, 0.6g-1.6g of ethyl acetate, 0.6g-1.4g of butyl acetate, 40ml-80ml of absolute ethyl alcohol, 0.01g-0.5g of benzyl alcohol and 1ml-5ml of glycerol. The liquid wound surface protective film is capable of effectively isolating moisture, dirt and bacteria, preventing wounds from being infected, resisting bacteria and accelerating the healing of a wound.

The invention refers to a nucleic acid compound, the producing method and the application at the aspect of making immune preparation, produced by making copolymerization or covalence reaction on nucleic acid segment, multi-peptide and water-solubility multi-polymer under catalysis. It has the common formula; nucleic acid / multi-peptide / water-solubility multi-polymer. It can protect the organism to resist the pathogene infection, resist the tumour and cure the independent immune diseases and effectively inspires the immune response of organism.

The invention relates to a foldable and portable toothbrush. The foldable and portable toothbrush comprises a toothbrush head, a foldable device, a handle-shaped rod and a toothbrush head protection cover. The toothbrush head is connected with the handle-shaped rod through the foldable device. The foldable device is composed of a rotatable platform and rotatable rods. The rotatable platform is arranged in a front end groove of the handle-shaped rod, and the two sides of the rotatable platform are rotatably connected with the handle-shaped rod through the rotatable rods. A folding baffle is arranged on the back face of the rotatable platform. According to the foldable and portable toothbrush, the toothbrush head can be rotated by 180 degrees under the action of the rotatable platform and the rotatable rods in the foldable device, and occupied space is reduced by folding the toothbrush head; locker bosses mounted on the outer sides of the two edges of the toothbrush head protection cover can be fixedly locked with two locker grooves formed in the surface of the handle-shaped rod, and thus the toothbrush head can be well protected from being infected. The toothbrush is foldable and convenient to carry, the operating method is simple, and a certain effect of protecting the toothbrush head is achieved.

The present invention provides an anti-microbial or anti-bacterial treated soft ointment applicator that is used to apply ointment or cream on babies. The ointment applicator with a soft and flexible tapered tip in the present invention can be applied along the curvature of a baby's body without causing harm to baby's sensitive and delicate skin. The present invention provides an anti-microbial or anti-bacterial treated ointment applicator either coated with, or homogeneously manufactured with, such anti-microbial or anti-bacterial protection. In addition, the present invention includes a reservoir filled with a cleaning solution where the ointment applicator is cleaned and stored sterile. Therefore, the present invention helps not only with easy application of ointments or creams on the delicate skin, but also to protect the babies' skin from infection, microbial or bacterial contamination, or any further skin irritations caused from cross contamination between the applicator, ointment or cream, and the babies' skin.

The invention provides recombinant delta fHbp-NadA fusion protein carrier-based multivalent meningococcocci. Through a flexible linker peptide chain, two active proteins are fused and expressed, activity of the two active proteins is kept and the active proteins are integrated into a single protein so that industrial production and immunization are controllable, a risk is greatly reduced and morepolysaccharide-protein binding sites are provided.