327results about How to "Reduce infection" patented technology

The invention discloses multifunctional hydrogel and application thereof, and belongs to the technical field of biological medicine. According to the multifunctional hydrogel, ketal mercaptan with two hydrazide ends and oxidized dextran are cross-linked to form a cross-linked network containing dynamic covalent bonds. The preparation method comprises the following steps: dissolving ketal mercaptan with two hydrazide ends in deionized water to obtain a ketal mercaptan solution, dissolving oxidized dextran in deionized water to obtain an oxidized dextran solution, mixing the ketal mercaptan solution with the oxidized dextran solution, and standing to obtain the multifunctional hydrogel. The multifunctional hydrogel has pH / ROS dual responsiveness, can respond to inflammation microenvironment and low pH of infectious wounds, remove active oxygen, release therapeutic drugs, regulate macrophage polarization and relieve bacterial infection, thereby playing a key role in inflammation, proliferation and remodeling stages of wound healing to accelerate wound healing. The curcumin-encapsulated liposome is added into the multifunctional hydrogel, so that the antibacterial effect can be further improved.

The invention relates to a high-specificity diagnostic reagent and kit for mycobacterium tuberculosis infection, and relates to the technical field of tuberculosis diagnostic products. The fusion protein contains a first fusion protein and a second fusion protein; the first fusion protein is a protein ESAT-6-CFP-10 encoded by a mycobacterium tuberculosis genome RD1 region, and the second fusion protein is a protein CFP-21-MPT-64 encoded by a mycobacterium tuberculosis genome RD2 region. According to the invention, tuberculosis specific RD2 region antigens CFP21 and MPT64 and RD1 region antigens ESAT-6 and CFP-10 are combined to be applied to diagnosis of mycobacterium tuberculosis infection for the first time, by virtue of the difference degree of RD1 and RD2 in mycobacterium antigen cross reactivity, immunogenicity advantages of the two antigens are concentrated, epitopes of the antigens are increased, human MHC limitation and polymorphism are overcome, and advantage complementation is achieved.

The invention discloses a preparation method and application of a response type NO release anticoagulant hydrogel material. The preparation method comprises the following steps: providing methylacryloylated recombinant collagen; providing methacrylated hyaluronic acid; providing caffeic acid arginine amide modified hyaluronic acid; the response type NO release anticoagulant hydrogel material is obtained by taking methylacryloylated recombinant collagen, methylacryloylated hyaluronic acid and caffeic acid arginine amide modified hyaluronic acid as raw materials. The prepared hydrogel material has the advantages of resisting bacteria, promoting proliferation of endothelial cells, inhibiting proliferation of smooth muscle cells, resisting inflammation, promoting angiogenesis, inhibiting thrombosis and the like, arginine can serve as an endogenous NO donor in blood to release NO molecules, and therefore the effect of promoting vascular endothelial repair is achieved, and the hydrogel material has the advantages of being capable of resisting bacteria, promoting proliferation of endothelial cells, inhibiting proliferation of smooth muscle cells, resisting inflammation, promoting angiogenesis, inhibiting thrombosis and the like. The introduced NO molecules enable the hydrogel material to have good anticoagulant performance, and the hydrogel material is expected to be used for preparing an artificial blood vessel anticoagulant coating.

The invention discloses an AAV vector targeting improvement method applicable to gene therapy drugs, which comprises the following steps: performing high-throughput analysis on target tissue cells through a screening sub-module, screening candidate receptor genes interacting with AAV vector targeting molecules, and determining target receptor genes; the selection submodule is used for designing a gene editing system and selecting a promoter with tissue specific expression to drive the expression of the gene editing system; the introduction submodule is used for introducing the gene editing system into target tissue cells by adopting a gene transfer technology; and the evaluation sub-module is used for selecting the most suitable gene transfer mode according to the characteristics and treatment requirements of the target tissue, and detecting and evaluating the cells subjected to gene editing by utilizing a PCR molecular biological technology. The targeting property of the AAV vector to target tissue cells is improved, the infection of non-target tissues is reduced, and the side effect risk is reduced, so that the gene therapy effect is remarkably improved.

The utility model relates to the technical field of medical instruments, in particular to a disposable filtering constant-temperature traditional Chinese medicine enemator which comprises a liquid supply container used for filling enema liquid medicine, and the liquid supply container can stimulate the enema liquid medicine in the liquid supply container to be discharged from the output end of the liquid supply container. The constant-temperature filter device is connected to the output end of the liquid supply container and at least comprises a filter screen for blocking particles in the enema liquid and a heating element for heating or preserving heat of the enema liquid; the enema tube is connected to the output end of the constant-temperature filtering device and can be inserted into the rectum or colon of the patient; when the liquid supply container is excited, enema liquid medicine can be injected into the rectum or colon of a patient through the enema tube. According to the enemator, particles in liquid medicine are blocked by the constant-temperature filtering device before enema, the temperature of the enema liquid medicine is effectively controlled through the heating function of the heating element, and complications such as intestinal spasm caused by too low temperature of the enema liquid medicine are reduced.

The invention discloses a contact lens care solution with long-acting moisturizing and antibacterial effects and a preparation method of the contact lens care solution, the care solution comprises the following components in percentage by mass: 0.05-1.5% of lysozyme; 0.01 to 0.5 percent of glycine betaine; 0.1-3% of a thickening agent; 0.05 to 4% of a surfactant; 0.2-5% of a pH regulator; 0.4-6% of an osmotic pressure regulator; and the balance of purified water. The preparation method comprises the following steps: adding part of purified water and lysozyme into a container, supplementing part of purified water, and stirring for dissolving; adding betaine, a thickening agent and a surfactant, supplementing part of purified water, uniformly stirring and mixing, adjusting the pH value to 6.5-7.8 and the osmotic pressure to 260-340 mOsm / kg.H2O, finally adding the balance of purified water, and uniformly stirring; and filtering and sub-packaging to obtain the product. The lysozyme and the betaine are added into the care solution at the same time, the synergistic effect of the lysozyme and the betaine has the effects of efficient moisturizing and lasting sterilization and disinfection, glasses can be effectively kept moist, and pollution of gram-positive bacteria such as staphylococcus aureus and escherichia coli can be resisted, so that eye inflammation and infection are relieved, and the effect of protecting eyes is achieved.

The invention discloses an absorbable tissue adhesion material, a preparation method thereof and an application of the absorbable tissue adhesion material in preparation of a body solid material, a coating material or an injectable liquid material. The preparation method comprises the following steps: heating lipoic acid monomer powder to carry out polymerization reaction, and carrying out ultraviolet polymerization on the obtained polymer in a solution in the presence or absence of polyphenol to obtain a lipoic acid polymer which can absorb the tissue adhesion material, the ultraviolet light intensity of the ultraviolet light polymerization is 20-100W / cm < 2 >, and the ultraviolet light wave band is 250-500nm. The absorbable tissue adhesion material disclosed by the invention is a degradable polymer material with excellent tissue adhesion and anti-inflammatory and anti-oxidation characteristics.

The invention discloses an antibacterial magnetic compatible medical beta-type Zr-Nb-Cu alloy and a preparation method thereof. The alloy is prepared from, by mass, 18%-24% of Nb, 4%-10% of Cu and the balance Zr and inevitable impurity elements. The preparation method of the alloy comprises the following steps: 1, weighing sponge zirconium, copper and niobium particles as raw materials; 2, putting the raw materials into a water-cooled copper crucible, vacuumizing, introducing argon, and smelting in a non-self-consumption vacuum arc furnace; according to the beta-type Zr-Nb-Cu alloy, alloying elements Nb and Cu are selected, the strength, hardness, abrasion resistance and corrosion resistance of the alloy are improved while the elasticity modulus of the alloy is reduced, the lasting and efficient antibacterial performance of the alloy is guaranteed, the influence of postoperative bacterial infection and MRI detection artifacts is remarkably reduced, and therefore the beta-type Zr-Nb-Cu alloy has the lower elasticity modulus and magnetic susceptibility, and the service life of the alloy is prolonged. And the method is more suitable for human skeleton and nuclear magnetic resonance (MRI) detection.

The utility model relates to an empty capsule which comprises a capsule cap and a capsule body connected with the capsule cap in an inserted mode and further comprises a gelatin connecting base, a clamping groove, a connecting block, a clamping block and a pull rope, the gelatin connecting base is integrally formed on the capsule cap, the clamping groove is formed in the gelatin connecting base, the connecting block is connected to the gelatin connecting base in a sliding mode, and the clamping block is arranged on the clamping groove. The clamping block is fixedly connected to the connecting block, the clamping block is located in the clamping groove, the pull rope is fixedly connected to the connecting block, the situation that the capsule body and the capsule cap are contaminated by bacteria or germs can be reduced by reducing the situation that the hands of a person make contact with the capsule body and the capsule cap, and then the situation that the person is infected is reduced.

The invention discloses a carp robot brain electrode waterproof adapter and carrying device and a using method thereof, and belongs to the field of biological control, and the carp robot brain electrode waterproof adapter comprises a plastic tube cavity, a brain electrode cap, a wire connecting cap, a connector, a clamping device, a supporting plate and a needle tube; the brain electrode cap, the plastic tube cavity, the wire connecting cap and the connector are sequentially connected through a thread structure and finally connected into the waterproof bag. The brain electrode is connected with a lead in the lead connecting cap in a plastic tube cavity through a rubber plug of the brain electrode cap by adopting an auxiliary device needle tube, so that waterproof switching between the brain electrode and the microprocessor is realized; and the clamping device and the supporting plate are used for fixing the device on the skull of the carp. The invention provides a waterproof treatment and carrying device for joints of brain electrodes and wires for underwater motion control of aquatic organism robots such as carps and the like. The device can be combined according to the number of the brain electrodes and can be detached for repeated use.

The invention discloses an application of bexarotene in preparation of a medicine for resisting PRRSV (porcine reproductive and respiratory syndrome) or treating PRRS (porcine reproductive and respiratory syndrome). The invention provides a new application of the existing antitumor drug bexarotene, and finds that the bexarotene has an anti-PRRSV effect, can significantly inhibit the proliferation and replication of PRRSV, and reduces the expression of PRRSV-N protein and the infectivity of PRRSV; meanwhile, the compound also has a broad-spectrum anti-PRRSV effect, can inhibit various PRRSV strains with different pathogenicity, and particularly has a remarkable antiviral effect on high-pathogenicity HP-PRRSV; moreover, the compound hardly has cytotoxicity, and can be better used for resisting PRRSV infection and relieving the porcine reproductive and respiratory syndrome. The bexarotene is small in molecular weight and can easily penetrate through a cell membrane to enter cells to play an antiviral role, so that the bexarotene does not need to be delivered into the cells by a carrier, a foundation is laid for developing more novel medicines for resisting PRRSV, and more methods and means are provided for preventing and treating the PRRSV.

The invention relates to a storage device, in particular to a storage control device for a hysteroscope self-growing main body film. A storage control device for a hysteroscope self-growing main body film comprises a self-growing flexible main body film, an inflation cavity, an inflation device and a main body conveying device, the self-growing flexible main body film is connected to the inflation cavity, and the inflation device and the main body conveying device are arranged in the inflation cavity; the self-growing flexible main body film is made of a silica gel material, the self-growing flexible main body film is a two-stage growing main body, the diameter of the first-stage growing main body is larger than that of the second-stage growing main body, and the diameter of the second-stage growing main body can be changed. The adopted secondary growing flexible main body is made of silica gel materials, the compatibility to the human body is good, the pain is reduced, meanwhile, the injury to the human body is avoided, and the postoperative recovery speed is high.

The invention provides an epidermal sensor for multiple monitoring of human motion signals, which comprises a porous elastomer substrate, a first electrode and a second electrode, the first electrode and the second electrode are arranged at two ends of the porous elastomer substrate, an electronegative material is deposited on a half part of the porous elastomer substrate, and an electropositive material is deposited on a half part of the porous elastomer substrate. The electronegative material and the electropositive material are both located in the hole, the first electrode and the electronegative material form a first friction pair, and the second electrode and the electropositive material form a second friction pair; the potential difference generated between the first electrode and the second electrode is used for measuring electromyographic signals, induced potentials are generated between the electronegative material and the first electrode and between the electropositive material and the second electrode, and the induced potentials are used for measuring friction electric signals; according to the invention, electromyographic signals and friction electric signals of muscle motion states can be reflected at the same time, and muscle motion can be fully reflected; the whole sensor is in a film shape and can be directly attached to the human muscle surface, and the problems of constraint, air tightness and the like are avoided.

The invention relates to a mycobacterium tuberculosis vaccine, in particular, the vaccine comprises an immune composition, and the immune composition comprises an antigen component and a granular protein component. The granular protein component comprises nano-granular protein, and the antigen component and the granular protein component are covalently bound through a binding peptide 1 and a binding peptide 2 to form an immunogenic complex. The cell immunogenicity and the antibody immunogenicity of the vaccine are excellent. The invention also discloses a preparation method of the mycobacterium tuberculosis vaccine.

The invention relates to the related technical field of baijiu making, and discloses a baijiu grain steaming device and a method thereof.The baijiu grain steaming device comprises a grain steaming pot, a plurality of partition plates are arranged in the grain steaming pot at intervals, the circle centers of the partition plates are rotationally connected with rotating pipes in a penetrating mode, the rotating pipes are rotationally connected into the grain steaming pot, and the rotating pipes located between the adjacent partition plates symmetrically and vertically communicate with air outlet pipes; the outer side face of the air outlet pipe on one side above each partition plate is slidably connected with a material pushing plate, the rotating pipe in the circle center of each partition plate is sleeved with a connecting column, and the end of the upper side and the end of the lower side of each material pushing plate are slidably connected to the bottom face and the top face of the adjacent connecting column in a limited mode; the grain steaming machine has the following advantages and effects that by arranging the multiple layers of partition plates and controlling grains on the partition plates, the uniformity and stability of grain steaming are guaranteed, the grain steaming efficiency is improved, and the grain steaming quality is further guaranteed by adopting the modes of high temperature and high pressure of steam, thorough grain sterilization, reduction of fermentation infectious microbe infection and twice grain steaming.

The utility model discloses an indwelling component, which is used for applying force through the action of a needle assisting component so as to be fixed on a bottom plate and complete subcutaneous puncture simultaneously, and comprises a needle seat, the needle seat is a fixed carrier and is provided with a sealing cavity, and a sealing component is arranged in the sealing cavity; the indwelling soft needle is installed at the bottom of the needle base, one end of the indwelling soft needle is in butt joint with the sealing cavity, and the other end of the indwelling soft needle extends out of the needle base; the monitoring probe is provided with a monitoring end, and the monitoring end is arranged in the sealing cavity of the needle seat in a penetrating mode and arranged in the indwelling soft needle. The device is simple in overall structure and convenient to disassemble, assemble and use; the indwelling assembly and the bottom plate are in interference fit, connection is reliable, good sealing performance is achieved, and real-time monitoring of blood glucose is achieved in the mode that a monitoring probe is implanted into the indwelling assembly and the bottom plate.

The utility model relates to the technical field of medical instruments, and discloses an ice blanket machine which comprises an ice blanket main machine, a refrigerant fluid output pipe is fixedly connected to the outside of the ice blanket main machine, a lower ice blanket is arranged at the other end of the refrigerant fluid output pipe, a refrigerant fluid return pipe is connected to the outside of the lower ice blanket in a clamped mode, a circulation pipe is arranged on the side face of the lower ice blanket, and the circulation pipe is connected with the refrigerant fluid return pipe in a clamped mode. The number of the circulating pipes is two, the other ends of the circulating pipes are fixedly connected with an upper ice blanket, an adjusting mechanism is arranged on the surface of the upper ice blanket, and a temperature measuring mechanism is arranged in the ice blanket main machine. According to the ice blanket machine, through the arrangement of the lower ice blanket, the upper ice blanket, the adjusting rope, the buckle and the clamping base, the lower ice blanket and the upper ice blanket wrap the body through clamping connection of the buckle and the clamping base, then the body is conveniently wrapped for heat dissipation, a refrigerant fluid backflow pipe is driven to work, the comfort degree of a user during use can be effectively improved, and the use experience is guaranteed; and the purposes of simple equipment structure and convenience in operation are achieved.

The utility model discloses a protective application for a high-exudation wound incision, which relates to the technical field of medical instruments and comprises a drainage liquid collecting bag, a catheter is arranged in the middle of the front of the drainage liquid collecting bag, a drainage liquid discharge valve is arranged in the middle of the catheter, and the drainage liquid collecting bag, a drainage hose, the catheter and the drainage liquid discharge valve are arranged. A traditional protective application can only protect a wound, the situation that the wound is infected due to the fact that the wound touches water and the wound recovery effect is affected is avoided, a drainage liquid discharging valve is opened, medicine is injected into a catheter, the medicine is injected into a drainage liquid collecting bag and flows into the bottom of a breathable waterproof outer film through a drainage hose, and the medicine makes contact with the wound; when the medicine is replaced, the drainage liquid discharge valve is opened, the medicine overflows through the catheter, and therefore the medicine is replaced, the structure is simple, use is more convenient, the wound healing rate is increased through assistance of the medicine, and the practicability of the device is improved.

The invention relates to an acellular matrix material with biological functional activity and a preparation method thereof. The preparation method comprises the following steps: 1) providing an acellular matrix material subjected to crosslinking treatment; 2) reacting the crosslinked acellular matrix material with a biocompatible polymer, wherein the biocompatible polymer has a reactive group and a first subject and / or guest molecule; the reactive group is covalently bonded to a functional group on the acellular matrix material; and 3) reacting the acellular matrix material obtained in the step 2) with a second subject and / or guest molecule modified by a biological functional active substance through subject-guest interaction. Through the mode, the anti-calcification performance and the biological activity of the acellular matrix material can be improved at the same time, and the acellular matrix material is flexibly endowed with various biological function activities.

The present invention provides an application of a three-domain protein 2 (TRIM2), which specifically targets and knocks out the gene to inhibit its protein expression, thereby inhibiting the infection of porcine epidemic diarrhea virus (PEDV) in host cells, thereby preventing porcine epidemic diarrhea caused by PEDV infection. Therefore, TRIM2 can be used as a potential target molecule for preparing drugs for preventing and treating porcine epidemic diarrhea or for manufacturing gene-edited animals resistant to porcine epidemic diarrhea, and has important economic value.

The utility model belongs to the technical field of food detection, and particularly relates to a sample preparation device for food safety detection, which comprises a bottom plate, the upper side wall of the bottom plate is fixedly connected with a support rod I and a support rod II which are symmetrically arranged, and the upper side wall of the bottom plate is fixedly provided with an objective table positioned between the support rod I and the support rod II; a notch is formed in the upper side wall of the objective table, and the notch is close to the left side wall of the objective table. The food slicing device has the advantages that solid food is fixed to the baffle, the handle is pressed down, the pressing rod is linked with the first connecting rod and the second connecting rod, the blade slices the food downwards, the hook strip slides backwards on the toothed plate, the pressing rod is lifted to enable the hook strip to hook the toothed plate and drive the toothed plate to move forwards, the baffle pushes the food forwards, and the blade slices the food again conveniently; experiments only need to operate the handle, the slicing safety is improved, after slicing, cut food falls onto the glass slide, direct contact with food slices is avoided, and microbial infection is reduced.

The utility model relates to chemical reaction appliance technical field discloses the reaction container sealing device for dye method CYP enzyme induction research, including bottle body, the outer wall top of bottle body installs the closed mechanism, the closed mechanism is used for the inside of convenient closed equipment, prevents the inside of equipment from leaking, the outer wall right side of bottle body installs the sampling mechanism, the sampling mechanism is used for the sampling and charging of equipment, reduces the reaction of equipment inside material and outside, the closed mechanism includes the central axis, the central axis sets up in the outer wall top of bottle body. In the utility model, after putting the material to be researched into the inner wall of bottle body, the central axis is inserted into the bottle mouth in alignment, the outer shell is rotated to make the curved groove move, the sliding block is moved along the sliding groove, the sliding groove prevents the displacement of sliding block, the telescopic shaft is extended from the inner wall of central axis, the inside of bottle body is closed, the rubber ring enhances the air tightness to make the sealing pressure of container, the degree of fit consistent reduce the influence on data.

The utility model relates to the technical field of sampling devices, and discloses a disposable throat swab sampling device which comprises a main pipe, one side of the main pipe is connected with an extension pipe in a sliding mode, the surface of one side, away from a sampling screen, of a supporting seat is fixedly connected with a plurality of second teeth, and the surfaces of the second teeth are provided with an adjusting mechanism used for adjusting the sampling screen. Two third storage grooves are symmetrically formed in the surface of the side, away from the sampling screen, of the extension tube, restraining mechanisms used for restraining the extension tube are arranged in the two third storage grooves, a first storage groove is formed in the surface of the side, away from the extension tube, of the main tube, and a throat swab is slidably connected into the first storage groove; two first restraining grooves are symmetrically formed in the first containing groove, and limiting mechanisms used for limiting the throat swab are arranged in the two first restraining grooves. Through the arrangement of the extension tube, the infection probability of a sampler can be reduced.

The utility model relates to the technical field of medical auxiliary appliances, in particular to an infusion pipeline protection treatment towel for a central venous indwelling catheter, which comprises a treatment towel main body, a folding area is arranged in the middle of the treatment towel main body, an upper layer treatment towel is arranged on one side of the folding area, and a lower layer treatment towel is arranged on one side of the folding area. A plurality of connecting bands are installed on one side of the lower-layer treatment towel at equal intervals, the elastic telescopic fixing bands are used in cooperation with the fixing rings, and a transparent window is formed in the upper-layer treatment towel. The fixing firmness of a pipeline can be enhanced through the elastic telescopic fixing belts and the fixing rings, displacement of the pipeline is avoided, the pipeline is effectively fixed in the treatment towel body, and the area where the pipeline is fixed can be observed through the transparent window; medical staff can conveniently observe the connection condition of the pipeline and the smooth condition of the pipeline in time, the treatment effect of the medical staff on a patient is conveniently improved, and adverse events are reduced.

The utility model relates to the technical field of acupuncture and moxibustion medical instruments, and discloses a novel adjustable acupuncture and moxibustion treatment plate. According to the novel adjustable acupuncture treatment plate, by installing the main body mechanism, when the treatment plate body is used, definite function partitions are achieved, objects are placed in order, operation of medical staff is facilitated, arrangement of the medical staff according to work requirements is facilitated due to the design of the adjustable needling instrument containing grooves, and the treatment plate is convenient to use. The acupuncture and moxibustion treatment tray solves the problem that acupuncture and moxibustion medical instruments of different types and different specifications have no place to store, is made of light plastic materials, is light, labor-saving, small in size and capable of being conveniently placed on a bedside table, sterile articles are arranged in the treatment tray, the treatment tray can be uniformly stored in a sterile area after treatment is finished, unified cleaning and disinfection are facilitated, and the acupuncture and moxibustion treatment tray is worthy of popularization and application. The treatment plate body is used for defining acupuncture and moxibustion instrument storage tools for acupuncture and moxibustion operation, the working efficiency is improved, the occupational exposure risk of medical staff and the hospital infection risk are reduced, and the medical safety and quality are improved.

The present invention discloses a skin whitening and repairing composition, a preparation method and an application thereof, wherein the composition is composed of the following substances by mass: 2 to 5 parts of active extract component A, 1 to 3 parts of active extract component B, 10 to 48 parts of cyclodextrin, and 2 to 3 parts of hyaluronic acid. The active ingredients are included in cyclodextrin to improve the stability of the active ingredients and reduce the influence of environmental factors on the active ingredients. In addition, cyclodextrin can control the release rate of the active ingredients, so that the skin care products can achieve a longer-lasting effect.

The present invention relates to the field of antibody technology, and in particular to humanized neutralizing antibodies and bispecific antibodies targeting the envelope protein of the fever with thrombocytopenia syndrome virus. The amino acid sequences of the heavy chain complementary determining regions CDR1, CDR2, and CDR3 of the antibody or its antigen-binding fragment of the present invention are shown in SEQ ID NO.1-3, the amino acid sequences of the light chain complementary determining regions CDR1 and CDR3 are shown in SEQ ID NO.4 and 6, and the amino acid sequence of CDR2 is AAS. The antibody or its antigen-binding fragment and the bispecific antibody provided by the present invention can specifically bind to the envelope protein of the fever with thrombocytopenia syndrome virus, have high affinity and neutralizing activity, and have good preventive and therapeutic effects on the infection of the fever with thrombocytopenia syndrome virus.

The utility model discloses a medical injection device for animal husbandry, which comprises a fixing frame, two tooth frames, a needle head, a needle tube, a separating mechanism, a pressing mechanism and a fixing mechanism, the fixing frame is provided with two sliding chutes, the two tooth frames are both arranged in the fixing frame, the needle head is arranged in the fixing frame, the needle tube is arranged on the fixing frame, and the needle tube is arranged on the fixing frame. The output end of the needle tube is communicated with the needle head, the separating mechanism is arranged on the fixing frame and used for pushing open hair of an animal, the pressing mechanism is arranged on the fixing frame and used for driving the needle head to pierce the skin of the animal, and the fixing mechanism is arranged on the fixing frame and used for fixing the fixing frame to the body of the animal. According to the medical injection device for animal husbandry, through cooperation of the fixing frame, the tooth frame, the needle head, the needle tube, the separating mechanism, the pressing mechanism and the fixing mechanism, animal hair can be conveniently combed in the animal injection time, the possibility that the hair is brought into the skin by the needle head is reduced, and the animal infection condition is reduced.

The utility model discloses a rotatable tracheostomy tube plug, which belongs to the technical field of medical instruments and comprises a plastic tube, two fixed plug sheets are fixedly connected onto the plastic tube, the two fixed plug sheets are fixedly connected and distributed at an opening at the top end of the plastic tube diagonally, and two rotary plug sheets are connected into the plastic tube in a threaded manner. The two rotary blocking pieces are fixedly connected and distributed on the lower sides of the two fixed blocking pieces in a diagonal mode, the plastic pipe is fixedly connected with a latex oxygen supply pipe, and the outer surface of the plastic pipe is sleeved with a plurality of rubber strips. According to the utility model, the two fixed blocking pieces and the two rotary blocking pieces are matched, so that the opening at the top end of the plastic tube is gradually changed from being sealed by 1 / 2 to being sealed by 3 / 4, and finally, the complete sealing effect is achieved, the purpose of gradually blocking the tube is achieved, the ventilation volume is gradually blocked and controlled, and a patient gradually adapts to mouth and nose breathing; and the adverse reaction of a patient caused by sudden complete tube blockage is avoided.

The invention relates to the technical field of automatic disinfection, in particular to an automatic disinfection device for hospital health management, which comprises a bracket, a hand washing sink, a first disinfection mechanism and a second disinfection mechanism, the bracket is connected with the hand washing sink, the hand washing sink is provided with a water outlet, the hand washing sink is provided with the first disinfection mechanism, and the front side of the bracket is provided with the second disinfection mechanism. The second disinfection mechanism comprises a first liquid storage frame, steel meshes and a liquid conveying pipe, the first liquid storage frame is arranged on the front side of the support, the steel meshes are connected into the first liquid storage frame, and the liquid conveying pipe is arranged on the first liquid storage frame in a penetrating mode. By installing a second disinfection mechanism, when a user steps on a steel mesh, the sole of the user can be in contact with a disinfectant, and the disinfectant can disinfect the sole of the user, so that the device can effectively disinfect the sole of the user while automatically disinfecting the hand of the user, the sterilization effectiveness is ensured, and the user experience is improved. And virus infection is effectively reduced.