198results about How to "Prevent wound infection" patented technology

The invention provides an electric brush, belongs to the technical field of articles of daily use, and solves the technical problem that teeth cannot be cleaned completely due to the fact that the existing electric brush does not have the function of adjusting the rotating speed and the frequency of a brush head according to the brushing strength. The electric brush provided by the invention comprises a pressure sensor, a main controller and a motor, wherein the main controller receives pressure parameter information sent by the pressure sensor, generates control information according to the pressure parameter information and sends the control information to the motor. The electric brush is applied to intelligence of the electric brush or functional upgrading of the electric brush.

The invention relates to the technical field of medical dressing, in particular to medical and antibacterial cationic biogel dressing and a preparation method thereof. The medical and antibacterial cationic biogel dressing comprises raw materials in percentage by weight as follows: glycerin, chitosan quaternary ammonium salt, amino-acid iodine, organosilicon quaternary ammonium salt, an indigowoad leaf extraction solution, a prunella vulgaris extraction solution, a paniculate swallowwort root extraction solution and the balance of purified water. The antibacterial dressing has a remarkable antibacterial effect, is transparent, high in water content, non-toxic, harmless, nonirritating and good in biocompatibility and adhesion, can isolate bacteria, kill bacteria, fungi and viruses and prevent skin and mucous membranes from infection, can stop bleeding and keep the wound wet and further can promote skin regeneration and healing of the wound. The medical and antibacterial cationic biogel dressing can be widely used for preventing and treating infection of skin wound such as skin bruise, scalding, burning, bedsore, ulcer, vagina skin eczema and the like and local mucous membrane infection of an oral cavity, the throat, gingivae and the like and can relieve pains, inhibit bacteria, protect wound, promote wound healing and inhibit scarring.

The invention discloses an antibacterial medical suture and a production method thereof. A titanium-nickel memory alloy thread is adopted as a base material of the antibacterial medical suture. A silver-ion cladding layer with thickness of 0.1-1 micrometer is deposited on the surface of the base material. The production method includes depositing the silver-ion cladding layer on the base material in winding-type continuous coating equipment by a physical vapor deposition method. The antibacterial medical suture has functions of sterilization and bacteriostasis, and silver ions contact with positions of cuts, wounds and needle holes, so that infection prevention and resistance are realized; the antibacterial medical suture further keeps all properties of existing titanium-nickel memory alloy while having an antimicrobial property, is stable in chemical property, and can meet the requirements on stitching of infected wounds and seborrheic cuts; rejection is avoided during long-term in-vivo implantation, mechanical property is not changed, and the purposes of freeness of trauma, hyperplasia and in-vivo foreign matters are achieved.

The invention relates to the field of medicinal dressings and in particular relates to a multifunctional liquid dressing and a preparation method thereof. The multifunctional liquid dressing comprises the following components in parts by mass: 2-8 parts of polyvinyl butyral, 0.5-0.8 part of sodium alginate-polyvinylpyrrolidone, 0.2-0.6 part of nano-silver-chitosan, 0.1-0.4 part of sodium carboxymethylcellulose, 0.1-0.4 part of carrageenan, 0.1-0.4 part of menthol and 91-97 parts of absolute ethyl alcohol. The multifunctional liquid dressing disclosed by the invention is waterproof, breathable and visible in wound, can prevent infection and contributes to wound healing.

The invention relates to anti-adhesion liquor for wound washing and surgery and a preparation method and application of the anti-adhesion liquor. The anti-adhesion liquor comprises the following components in percentage by weight: 0.1%-5% of sodium carboxymethylcellulose, 0.1%-10% of brown seaweed oligosaccharide, 0.1%-5% of hydroxyethyl starch, 0.1%-5% of polyethylene glycol, 0.1%-0.9% of sodium chloride, and the balance of water for injection. The preparation method is characterized in that the sodium carboxymethylcellulose, the hydroxyethyl starch, the brown seaweed oligosaccharide, the polyethylene glycol, the sodium chloride and the water for injection are mixed through stirring or crosslinking so as to prepare membranoid substance or liquid. The anti-adhesion liquor has the multiple functions of stopping bleeding, resisting bacterium, resisting adhesion, and promoting healing.

The invention relates to the technical field of medical dressing, and specifically relates to an external medical dressing for first aid of burns and a preparation method thereof. The medical dressing comprises the following raw materials in parts by weight: 40 to 50 parts of chitosan quaternary ammonium salt, 25 to 35 parts of indigo naturalis powder, 8 to 12 parts of humectant, 3 to 7 parts of bletilla striata extract, 3 to 7 parts of garden burnet extract, and 3 to 7 parts of Japanese eupatorium extract. The provided medical dressing can rapidly stop bleeding, relieve pains, protect wounds, and eliminate scars, at the same time, is capable of inhibiting the growth of bacteria, and can be well attached on the wounds. Moreover, the medical dressing can relieve wound pains, control local infection, maintain the moisture of skins of wounds, protect skins, promote wound healing, and prevent scar formation, and is capable of being widely applied to rapid hemostasis, moisture retention, emergency, and treatment of burns and prevention of scar formation.

A preparing method of nano-silver containing medical chitosan thermosensitive hydrogel is disclosed. A product of the method is a novel medical material. The thermosensitive hydrogel has good bacteriostatic functions for Gram-negative bacteria represented by escherichia coli, Gram-positive bacteria represented by staphylococcus aureus and fungi represented by candida albicans, and is wide in bacteriostatic spectrum, free of cell toxicity, efficient and low in toxicity. After uniform spraying of the thermosensitive hydrogel, a gel film layer can be formed on the surface of a wound. The thermosensitive hydrogel is durable in bacteriostatic functions and good in gas permeability and hygroscopicity, has functions of promoting wound surface healing, arresting bleeding, arresting pain, reducing inflammation and sterilizing, can be used for burn, scald, trauma, and other large-area irregular wounds, is capable of rapidly arresting bleeding and pain, preventing infection and promoting wound healing, and can be used for bedsore, skin ulcer, tinea manus and pedis, woman colpitis, cervicitis, cervical erosion, and other skin inflammation diseases.

The invention belongs to the field of medicinal dressings and in particular relates to a medicinal dressing with bioactivity and a preparation method of the medicinal dressing. The medicinal dressing with the bioactivity comprises the following components in parts by weight: 1-2 parts of hyaluronic acid, 2-4 parts of carbomer, 5-10 parts of bioactivity components, 0.5-1 part of propyl p-hydroxybenzoate, 8-12 parts of glycerin, 0.2-0.4 part of sodium hydrogen sulfite, 3-8 parts of chitosan oligosaccharide, 0.5-1.5 parts of triethanolamine and 65-80 parts of deionized water. The medicinal dressing with the bioactivity, which is provided by the invention, is high in comfort degree, is capable of promoting wound heal, remarkably shortening the wound heal time and preventing adhesion, is painless in dressing change and free of irritation, is capable of preventing bacteria and scar and has multiple effects of excellent bioactivity, efficient bacterial resistance, good pain relieving functions, wound heal promotion and the like, a slightly wet heal environment is created and maintained, wound infection is prevented, and wound adhesion is avoided.

The invention belongs to the technical field of wine foods and discloses grape wine capable of reducing blood pressure and blood fat and a preparation method of the grape wine. The grape wine comprises the following raw materials in parts by weight: 85-95 parts of fresh grapes, 7-9 parts of yeasts, 15-30 parts of white sugar, 20-40 parts of fresh ginger, 20-35 parts of garlic bulb and 15-20 parts of semen cassiae. The grape wine is thick in flavor, has the nutritional values of the grapes, the fresh ginger, the garlic bulb and the semen cassiae, and has a very remarkable effect of reducing the blood pressure and blood fat; the preparation method is simple, feasible, low in cost and short in production cycle.

The invention relates to the field of a medical technology, and discloses an operation apparatus disinfecting device for hepatobiliary surgery department. The operation apparatus disinfecting device comprises a machine frame, a box door, a liquid collecting box, a disinfection machine, a power mechanism, drying machines and a disinfecting ultraviolet lamp, wherein an inner frame groove is formed in the middle position of the front surface of the machine box; the left side of the inner frame groove is connected with the box door through a hinge; and the bottom of the liquid collecting box is connected with the middle position of the bottom of the inner wall of the machine box. Through forward and reverse operation of a power motor, a threaded rod rotates, and besides, the threaded rod is driven by a thread, so that the threaded rod can move up and down. At this time, a circulating pump operates, apparatuses on a placing plate are sprayed and washed with a spray head, and besides, the placing plate moves downwards, so that disinfecting liquid in the liquid collecting box can be used for soaking and deeply disinfecting the apparatuses, the disinfection quality can be guaranteed, and the phenomenon of wound infection caused by insufficient thorough disinfection is avoided.

The invention provides a degradable Zn-Ag series zinc alloy and a preparing method and application thereof. The zinc alloy is composed of Zn, Ag and a microelement. The mass percent of the Zn ranges from 89.85 to 99.4%, the mass percent of the Ag ranges from 0.01 to 10%, and microelement comprises one or multiple of Fe, Mg, Ca, Sr and Li. The mass percent of the microelement ranges from 0.01 to 0.55%. The method comprises the steps of heating metal zinc to be molten after burdening, adding metal silver, performing stirring until the metal silver is molten, adding the microelement, performing stirring, standing and pouring, and obtaining a zinc alloy cast ingot; and performing heat treatment and heat preservation on the zinc alloy cast ingot, and finally performing extrusion forming. The made zinc alloy has the higher strength and ultra-high plasticity, good anti-bacterium effect is achieved, and the alloy can serve as a degradable medical device implant to be applied into the human body to be subjected to non-toxic degradation.

An implantable neural signal recording system based on body channel transmission technology comprises a neural signal recording microelectrode, a neural signal pre-processing circuit, an internal emitter, a first signal transmission contact electrode, a second signal transmission contact electrode, an external receiver, and a computer. The neural signal pre-processing circuit with an input end connected with the neural signal recording microelectrode acquires internal neural signals and converts the signals into digital signals. An input end of the internal emitter is connected with an output end of the neural signal pre-processing circuit. The first signal transmission contact electrode is connected with an output end of the internal emitter. An input end of the external receiver is connected with the second signal transmission contact electrode. An input end of the computer is connected with an output end of the external receiver, and the computer receives and processes the signals input in the external receiver. A body channel is used as signal transmission medium, the connection of an internal implanted device with an external device by metal connecting wires is not needed, and accordingly wound infection due to wire connection can be avoided. The implantable neural signal recording system based on body channel transmission technology has the advantages that heat capacity is low, implant tissues are benefited, and the service life of an implanted system battery can be prolonged.

The invention discloses a wound surface repairing composition and a preparation. The wound surface repairing composition is composed of 10-25 percent of trehalose and 75-90 percent of sodium carboxymethylcellulose in percentage by weight. The wound surface repairing composition and the preparation have high moisturizing capacity. A wound surface can be prevented from infection, the tissue fluid exudation of the wound surface is absorbed, and a good environment is provided for the wound surface, so that the wound surface is quickly healed.

The invention belongs to the field of medical dressings, and specifically relates to an antibacterial medical dressing capable of promoting the rapid healing of wounds and a preparation method thereof. The medical dressing can cooperatively use various active components such as vascular endothelial growth factors, silk fibroin, alginate and antibacterial drugs, so that long-acting bacteriostasis can be realized, and wound infection can be prevented; and the medical dressing has synergistic effects on promoting the rapid growing of the granulation tissue of the wounds, so that the purpose of the rapid healing of the wounds can be achieved, and no recurrence occurs after treatment.

The invention discloses a nursing dressing change cart for otorhinolaryngology which belongs to the technical field of medical apparatus. The cart includes a body. The top of the left side of the bodyis provided with a push rod. Both left and right sides of the bottom of the body are provided with road wheels. The top of the chamber of the body is provided with a tissue box. The bottom of the tissue box is provided with a hand sanitizer bottle. The bottom of the hand sanitizer bottle is provided with rinsing table. The left side of the bottom of the chamber of the body is provided with a dustbin. The dustbin is arranged on the left side of the bottom of the rinsing table. The center of the bottom of the rinsing table is provided with a liquid outlet hopper. The bottom of the chamber of the liquid outlet hopper is clamped with a purification device. The bottom of the liquid outlet hopper is provided with a waste liquid tank through a waste liquid pipe; According to the invention, the worktable is pulled out by a telescopic device and hands are cleaned in advance at the rising table. The ultraviolet germicidal lamp is always sterilizing the medical apparatus, so that the medical apparatus is kept in a sterile state and the wound infection is avoided.

The invention discloses an artificial propagation method for coreius guichenoti. The method includes the steps of 1, selection of parent fishes, wherein parent fishes the gonads of which are high in development maturity are selected to serve as spawning acceleration parent fishes according to external features of the parent fishes of coreius guichenoti and the eggs dug out by an egg digging device; 2, preparation and injection of spawning acceleration drugs, wherein according to the weight of the fish bodies, normal saline is adopted for preparing the spawning acceleration drugs such as lutropin releasing hormone A3, gonadotropin of fish pituitary glands and chorionic gonadotropin, a two-time injection method is adopted for injection, the water temperature is 20.5-22 DEG C, and the needlepitch is 8-10 h; 3, artificial propagation acceleration and insemination, wherein the parent fishes are checked at irregular time after injection of the spawning acceleration drugs, artificial insemination is carried out once the phenomena of ovulation and spermiation occur, and a wet insemination method is adopted as the insemination method; 4, hatching, wherein the obtained fertilized eggs are poured into a conical hatching device for hatching, and after fry get out of membranes, the fry are moved into a fry cultivation box for fry cultivation. The operation is simple, the artificial propagation rate and the survival rate of the fry are effectively increased to 85% or above, and a solid base is laid for propagation, releasing and protection of coreius guichenoti group sources.

The invention discloses yak lactoprotein polypeptide nutrition powder applicable to rehabilitation of people after operations and a preparation method of the powder. The powder comprises the following main components: 20-24% of yak lactoprotein polypeptide powder, 6-10% of sodium caseinate, 18-20% of whey protein, 8-10% of defatted milk powder, 1-2% of bovine coloctrum, 0.02-0.03% of arginine, 0.11-0.14% of taurine, 8-12% of glucose, 1.1-1.5% of a silverweed cinquefoil extract, 0.1-1.4% of a lily extract, 1.5-2.5% of apple powder, 0.1-0.3% of vitamin C, 0.01-0.02% of vitamin E, 0.004-0.008% of group-B vitamins, 8-12% of polydextrose, 5-9% of fructo-oligose and 8-10% of maltodextrin. Through the organic combination of nutrients, energy and nutrient substances required by people after the operations can be comprehensively supplemented, and substances which are required by the people after the operations for the rehabilitation as soon as possible are provided.

A method for uploading a cefazolin sodium medicine film on a micro-arc oxidation titanium implant relates to a method for applying an antibiotic medicine film on a medical titanium metal modified coating which serves as a bone substitute. The biological activity of the titanium implant after micro-arc oxidation treatment is greatly improved; and the antibiotic can prevent the wound infection caused by implanting the implant into a body and improve the healing capability of a wound. The method comprises the following steps: putting the titanium implant into a stainless steel tank with alkaline electrolyte; through controlling electrical parameters of the micro-arc oxidation, forming a layer of micro-arc oxidation coating on the titanium surface through breakdown discharge on the titanium surface by using a bipolar pulse power; dipping a titanium substrate after the micro-arc oxidation into an aqueous solution of cefazolin sodium; taking out the micro-arc oxidation titanium substrate soaked in the cefazolin sodium; and putting the titanium substrate into a drying chamber, and drying to obtain micro-arc oxidation titanium implant uploaded with the cefazolin sodium medicine film. By the method, the wound infection caused by implanting the implant into the body can be prevented and the healing of the wound can be promoted.

The invention relates to an externally applied Chinese medicament for treating burn and a manufacturing method thereof. Coptis root, phellodendron bark and catechu are used as raw medicaments in the externally applied Chinese medicament. After plants are fried, the decoction is filtered, and the decoction is subjected to wax solidification to form paste, namely the externally applied Chinese medicament. The externally applied Chinese medicament can diminish inflammation and relieve pain on the burn wound, prevent wound infection and inhibit propagation of various bacteria on the wound, and can remove scar left after the wound is healed so that the wound surface is perfect.

The invention discloses an external lotion for perineal laceration postoperative nursing and a preparation method thereof. The external lotion mainly comprises the following raw materials: Yunnan rhubarb, root of soulie barberry, root of Chinese peashrub, root of watter milkwort, leaf of Yunnan machilus, lycogala epidendrum, root of fragile blueberry, saxifrage, rhizome of fourleaf paris, artemisia sieversiana, Japanese ampelopsis, herb of christina loosestrife, root of dunn antictrema, Asiatic pennywort herb extract and giant knotweed rhizome extract. A reasonable medicine proportion scheme and an extraction method are adopted, the prepared lotion has the effects of diminishing inflammation to relieve pain, promoting tissue regeneration and expelling pus, clearing away heat and toxic materials, and nourishing yin and eliminating dampness, has a very good curative effect on mild perineal laceration and perineal laceration postoperative complications, does not have any toxic or side effects, and is safe and reliable.

The invention discloses an antibacterial absorbable surgical suture and a method for preparing the same. The antibacterial absorbable surgical suture comprises, by weight, 90-110 parts of cereal alcohol-soluble proteins, 415-440 parts of ethanol aqueous solution, 10-100 parts of chitosan, 54-71 parts of oleic acid and 5-10 parts of glycerin. The method includes adding the cereal alcohol-soluble proteins into the ethanol aqueous solution and stirring and dissolving the cereal alcohol-soluble proteins in the ethanol aqueous solution to obtain mixed liquid; adding the oleic acid into the mixed liquid and stirring the oleic acid and the mixed liquid until uniform and transparent solution is obtained; adding the chitosan into the uniformly mixed solution, stirring the chitosan and the solution under heat-insulation conditions at the temperature of 60-70 DEG C for 40-90 min to obtain other solution and then cooling the other solution at the normal temperature under the normal pressure until the temperature of the other solution reaches the room temperature so as to obtain suture forming stock solution; filling suture forming devices with the suture forming stock solution, squeezing the suture forming stock solution into coagulating bath and coagulating and simultaneously stretching the suture forming stock solution to obtain sutures; coating the glycerin on the surfaces of the sutures, drying the sutures at the room temperature and sterilizing the sutures to obtain the antibacterial absorbable surgical suture. The antibacterial absorbable surgical suture and the method have the advantages that the antibacterial absorbable surgical suture is good in biocompatibility and degradability and free of toxic and side effects and is antibacterial, and inflammation and wound infection can be prevented.

The invention discloses a human tissue factor clotting compound and a preparation method thereof. The compound has a local rapid hemostatic function, has the effects of wound infection prevention, wound healing promotion and the like, and has a composite effect different from a conventional local clotting agent. The clotting compound disclosed by the invention is simple to prepare, is applied to rapid hemostasis, antibiosis and wound healing promotion of local known or unknown hemorrhagic spots in operations and epidermis wounds and tissue epidermis wounds caused by trauma, and has advantagesin applications for treating liver injury, articular cartilage injury, eye injury, diabetes, hemophilia and the like.