35results about How to "To stop bleeding" patented technology

An antibacterial medical dressing for the operation wound is prepared from chitosan fibers through alkalizing to become alkaline chitosan fibers, and etherifying reaction on chloroacetic acid to become carboxymethyl chitosan fibers. When said fibers are encountered with water, it is swelling to become elastic gel. It is possible to add additive for higher curative effect.

An antibacterial medical dressing is prepared from chitosan fibers through alkalizing, etherifying reaction on chloroacetic acid to obtain carboxymethyl chitosan fibers, opening, netting, needling, and cutting by needed sizes, packing and disinfecting. It can be used for preparing the surgical dressing for wound, bum and scald, the anti-inflammatory staltic fiberous ball, anti-inflammtory drainage sliver, and operation dressing.

The present invention discloses a self-adhesive type chitosan hemostatic film, which is composed of components by weight percentage: 85-93% chitosan, 5-10% glycerin, 2-5% citric acid. The preparing steps includes: weighing chitosan, glycerin and citric acid, then adding chitosan into acetum with 1.5%-2% mass concentration, mixing to chitosan dissolved, adding glycerin and citric acid again, mixing to mixed solution; pouring said solution into glass mould and self-levelling, drying to form film, and cooling to room temperature; supporting the mould with film in closed container filling with absolute ethyl alcohol, and suffocating 2-3 hours, exposing film from mould. The film has no bacterium, and the self-adhesive surface absorbs moisture and forms gel instantly when contacts with blood or body fluid after is planted into body, the gel has adhesive and has effects of hemostasia and healing. Other side of the film has no adhesive and acts on isolation function with periphery.

Disclosed is a frequency conversion high frequency electrotome. The input port (1) is connected with the input end of an electrode plate detecting and alarming circuit (2). An output signal display module (4), a high frequency generator (6) and a frequency conversion adjusting module (7) are respectively connected with an automatic test markup language (ATML) processor (5), and the output end of the frequency conversion adjusting module (7) is connected with a pre-amplifier (8). The pre-amplifier (8) is connected with the input end of a first power amplifier (10), the output end of the first power amplifier (10) is connected with the input end of a second power amplifier (11), and the output end of the second power amplifier (11) is connected with an output interface (13). After the frequency demultiplication of the frequency conversion high frequency electrotome is carried out through a crystal oscillator, the fundamental frequency and the repetition frequency are obtained, and operating modes of pure cutting, mix cutting, monopole solidification, spraying solidification and double pole solidification are achieved. In a surgical operation, the cutting speed is fast, harm to a tissue is little, and separation and solidification of the tissue of a human body can be achieved, so that the aims of cutting and bleeding stop are achieved, and the utilization effect is good.

The invention belongs to the technical field of medicine and hygiene, and in particular relates to a temperature-sensitive medical chitosan derivative preparation and a preparation method of the temperature-sensitive medical chitosan derivative preparation. The main ingredient, namely, chitosan derivative in the preparation is hydroxybutyl chitosan. The product has the temperature sensitivity, and has good effects of bleeding stopping, adhesion preventing, drug sustained release, and prevention and treatment for osteoarthritis. The preparation method of the temperature-sensitive medical chitosan derivative preparation has the advantages that large-scale production can be realized, high-pressure steam sterilization or filtration sterilization can be realized, and viruses, immunogenicity and the like can be removed.

The invention provides medical water-based adhesive. The medical water-based adhesive provided by the invention is applied to adhesion of skin and tissues of surgical wound surfaces or other wounds byutilizing the characteristic that andrias davidianus blanchard mucus is made into freeze-dried powder and can generate strong adhesion performance after being mixed with various bioactive solvents. The medical water-based adhesive provided by the invention has good effects of being good in biological safety, capable of being degraded in vivo, and capable of promoting regeneration, also has antibacterial and hemostatic effects, is suitable for being used as a tissue adhesive or dressing for surgical wound surfaces or tissue injury parts, and is an ideal material for meeting the requirements for tissue wound repair and healing.

The present invention discloses a method for making the antibiotic medical dressing, which includes adopting chitosan fiber to generate alkali chitosan fiber by alkalization then doing etherificationreaction with the chloroactic acid, the carboxymethyl chitosan fiber is prepared, and the dressing is prepared after opening packing, fleece formation and needling. Or the chitosan fiber is made intochitosan nonwoven cloth by the processing of the nonwoven cloth, then the dressing is done with carboxymethylation reaction, and the carboxymethyl chitosan antibiotic medical dressing is obtained after cutting, packing and sterilizing. The invention also discloses the usage of the antibiotic medical dressing prepared with the method. The invention is suitable for the surgery wound, burn, scald andother chronic wounds, covering the would surface to prevent the moisture loss in the body fluid, providing an active humid surrounding for the would healing, keeping no dropsy and no erosion at the would surface, isolating the bacterial infection, and obtaining the effects of anti-inflammation, hemostasis, ease pain and facilitating the tissue assimilation.

The invention relates to a preparation method of a soluble paper-shaped alginate compound bleeding-stopping membrane. The bleeding-stopping membrane contains the following materials in percentage by mass: 40%-79.9% of alginate, 20%-60% of polyvinyl alcohol and 0-0.1% of a calcium salt crosslinking agent. The preparation method comprises the following steps: (1) dissolving alginate and polyvinyl alcohol into water in proportion, so as to form a uniform and transparent solution with a concentration of 7%-15%, adding the calcium salt crosslinking agent, carrying out crosslinking, so as to obtain a spinning solution; and (2) putting the spinning solution into a constant-temperature liquid storage device, carrying out processing and once formation by virtue of electrostatic spinning equipment, so as to obtain the soluble paper-shaped alginate compound bleeding-stopping membrane. The soluble paper-shaped alginate compound bleeding-stopping membrane has a porous net-shaped structure and a relatively high surface area and can mutually act with blood of a wound to form gel, so that the hemostasis process is accelerated; and meanwhile, calcium ions in the bleeding-stopping membrane material are released to the surface of the wound so as to start blood coagulation factors, so that the two bleeding-stopping effects of gel hemostasis and calcium ion blood coagulation are achieved.

The invention discloses notoginseng whitening toothpaste. The notoginseng whitening toothpaste is prepared from the following raw materials in parts by weight: 8 to 10 parts of catechin, 3 to 5 parts of sodium phytate, 35 to 40 parts of nanoscale superfine silicon dioxide, 3 to 8 parts of sodium bicarbonate, 2 to 2.5 parts of sorbitol, 2.5 to 3 parts of sodium lauroyl sarcosinate, 22 to 26 parts of glycerinum, 0.5 to 1.5 parts of notoginseng extract, 14 to 24 parts of deionized water, 0.1 to 1 part of compound enzyme and 1.5 to 5 parts of far infrared abrasive. The notoginseng whitening toothpaste has the characteristics that the effects of hemostasis, inflammation resistance, analgesia and the like of notoginseng are fully used, bad breath can be quickly removed, and the scouring and whitening effects can be achieved.

A chitosan-iodine composite biological medical film and a preparation method thereof are disclosed. The chitosan-iodine composite biological medical film is formed by compounding a chitosan-iodine polyvinyl-alcohol layer, a polyvinyl alcohol layer, a chitosan polyvinyl-alcohol foam layer and a hydrophilic polyglutamic acid net-shaped gel layer , and the chitosan polyvinyl-alcohol foam layer is compounded between the polyvinyl alcohol layer and the hydrophilic polyglutamic acid net-shaped gel layer . The four layers have different effects: the chitosan-iodine polyvinyl-alcohol layer has the effects of killing bacteria, moisturizing and promoting healing; the polyvinyl alcohol layer has the effects of moisturizing and promoting healing; the chitosan polyvinyl-alcohol foam layer has the effects of dewatering, absorbing seepage and moisturizing; and the hydrophilic polyglutamic acid net-shaped gel layer has the effects of stopping bleeding, adsorbing the wound and converting the adsorbed seepage to the chitosan polyvinyl-alcohol foam layer. According to the chitosan-iodine composite biological medical film, the chitosan-iodine polyvinyl-alcohol layer and the polyvinyl alcohol layer are heated in a microwave mode, so that a polar medium can be rapidly heated, the reaction temperature is rapidly reached, and the reaction time is shortened; and the chitosan polyvinyl-alcohol foam layer is dried by a vacuum freeze-drying method.

The invention relates to the technical field of medical instruments, and discloses a cervical dilatation balloon catheter. According to the cervical dilatation balloon catheter, tablets are placed in a medicine storage cavity by rotating a head end, the head end is tightened, lubricating physiological liquid medicine is injected into a sealing injection ring, the lubricating physiological liquid medicine dissolves the tablets into particles and flows out of the medicine outlet holes, so that the inner wall of the vagina of a puerpera is lubricated, meanwhile, the aims of stopping bleeding and suppressing pain are achieved, and comfort is improved; According to the cervical dilatation balloon catheter, a first balloon and a second balloon are filled with normal saline and placed on the inner opening of the cervix uteri, mild mechanical expansion force is generated on the lower uterine segment and the cervix uteri, disappearance of the lower uterine segment and dilatation of the uterine opening are promoted, meanwhile, secretion of endogenous prostaglandin is stimulated through separation and stripping of a fetal membrane, so that the cervix uteri of the puerpera is gradually expanded unconsciously, and accordingly nerves reflect, so that nerve tracts of posterior pituitary release oxytocin, the oxytocin level in maternal blood circulation is increased, uterus contraction is promoted to be continuously enhanced, then labor induction is successful, and the operation efficiency is improved.

The invention discloses a negative-pressure-drainage wound treating device. The negative-pressure-drainage wound treating device comprises a negative-pressure sponge, a sealing unit, a suction disc, adrainage tube, a washing tube and a plurality of drainage channels and is characterized in that the negative-pressure sponge is arranged above a wound, the sealing unit is arranged on the upper surface of the negative-pressure sponge and the suction disc, the suction disc comprises a bottom disc and an obtuse-angle connector connected with the drainage tube, the bottom of the bottom disc is provided with a through hole, the interior of the connector is communicated with the through hole, the connector penetrates the circular hole of the sealing unit, the washing tube is communicated with thelateral wall of the drainage tube, the drainage channels are fixedly peripherally arranged along the bottom of the bottom disc and communicated with the through hole, and each drainage channel is provided with a plurality of drainage holes; the negative-pressure sponge sequentially comprises a hemostasis layer, an adhesion-preventing layer, a support layer, a hemostasis layer and an adhesion-preventing layer from top to bottom. By negative-pressure-drainage wound treating device, effective hemostasis and antibacterial effects can be achieved.

The invention discloses duck feed rich in spirulina. The duck feed comprises spirulina, corn starch, cottonseed meal, shrimp shell meal, duckweed, water bamboo shell, citrus pulp, carrot pomace and feed additives; the feed additives are paeony glycoside and shikonin; the proportion of individual ingredients is adjusted according to the nutrient demands of ducks at different stages. The duck feed is rich in various nutrients and dietary fibers, is capable of enhancing the immunity of the ducks, and achieves the functions of hemostasis and resistance to inflammation, bacteria, viruses, cancer and radiation. Compared with ducks fed with commercially available feed, ducks fed with the duck feed disclosed by the invention have the following advantages: the lean meat percentage is increased by 10-15 percent; the feed conversion rate is increased by 38-50 percent; nitrogen excretion is reduced by 12-16 percent; the amount of minerals and microelements excreted is reduced by 31-40 percent; the survival rate is increased by 6-10 percent; the feeding cost is reduced by 15-18 percent; the content of each of heavy metals, such as mercury, arsenic, palladium, chromium and cadmium, in duck meat is equal to or less than 0.001 mg / kg, and less than the requirement of pollution-free meat product standards set out by the Ministry of Agriculture of PRC.

The invention discloses children anti-caries toothpaste containing natural antibacterial components, and a preparation technology of the children anti-caries toothpaste. The children anti-caries toothpaste comprises the following ingredient compositions in parts by weight: 5-15% of silicon dioxide, 0.2-0.9% of xanthan gum, 0.1-0.8% of carrageenan, 30-50% of sorbitol (70% solution), 10-20% of glycerin, 0.5-2.5% of sodium polyphosphate, 0.5-2% of polyethylene glycol, 0.5-2.5% of lauryl sodium sulfate, 0.05-0.5% of Olaflur, 0.1-5.0% of isomaltooligosaccharide, 1.0-6.0% of xylitol, 0.001-0.1% of polylysine, 0.001-0.2% of glycine, 0.05-1.5% of eugenol, 0.06-2.8% of pineapple enzyme, 0.05-2.5% of folium isatidis extract, 0.001-0.025% of pigment, 0.1-1% of essence and the balance of purified water. The children toothpaste can clean teeth and also can perform the functions of inhibiting bacteria, resisting inflammation, stopping bleeding, accelerating a wound to heal, and efficiently preventing caries.

The invention provides a method for preparing an open-cell ZIF-8 / polymer composite foam material by using a solid-phase shearing and milling technology. The method comprises the following steps: mixing 40-60 parts of piezoelectric polymer granules and 60-40 parts of water-soluble salt granules in total 100 parts, adding the mixture into a millstone type mechanochemical reactor for milling and crushing, then preparing a block body by using a forming process, adding a water-soluble salt into a block, soaking the block into deionized water until the water-soluble salt is completely dissolved, soaking the obtained piezoelectric polymer foam into a ZIF-8 diluted solution, and standing and freeze-drying to obtain the ZIF-8 / polymer composite foam material. The ZIF-8 / polymer composite foam material obtained by the method has better mechanical property and flexibility, and when the ZIF-8 / polymer composite foam material is used as a foam bone material, the piezoelectric effect can be exerted under the stress effect while an osteogenesis space is maintained in an oral stress environment, and continuous micro-current stimulation promotes osteogenesis in an operation area.

The invention provides radiofrequency ablation equipment which comprises a direct current boost module, a conversion module, an alternating current boost module, a detection module and a control module. The direct current boost module boosts first direct current voltage input by the outside to form second direct current voltage. The conversion module is electrically connected with the direct current boost module, receives the second direct current voltage output by the direct current boost module and converts the second direct current voltage into alternating current voltage with target frequency. The alternating current boost module is electrically connected with the conversion module and boosts the alternating current voltage output by the conversion module. The detection module is electrically connected with the alternating current boost module and detects the output voltage and the output current of the alternating current boost module. The control module is electrically connected with both the detection module and the direct current boost module, receives the output voltage and the output current, detected by the detection module, of the alternating current boost module to obtain output power and controls the direct current boost module to boost or lower the second direct current voltage according to the obtained output power.

The invention belongs to the technical field of medicines, and particularly relates to ruby regeneration ointment and a preparation process thereof. The ruby regeneration ointment is prepared from thefollowing raw materials in parts by weight: 50 to 150 parts of calamine, 30 to 120 parts of amber, 30 to 120 parts of rheum officinale, 30 to 120 parts of dragon's blood, 30 to 120 parts of radix angelicae, 100 to 300 parts of calcined gypsum, 30 to 90 parts of natural borneol, 20 to 80 parts of cuttlebone, 30 to 120 parts of fructus gardenia, 1900 to 2100 parts of vaseline, 25 to 35 parts of teaoil and 100 to 350 parts of lanolin. The ointment is prepared from the following components in parts by weight: 1900 to 2100 parts of vaseline, 25 to 35 parts of tea oil and 100 to 350 parts of woolfat. The process comprises the following steps: respectively vibrating, grinding and breaking walls of the raw materials into ultrafine powder, and performing sieving with a 200-mesh sieve for later use; and weighing, mixing, heating and cooling the vaseline and the tea oil to 60-70 DEG C, adding and stirring the calamine, the amber, the rheum officinale, the radix angelicae, the calcined gypsum and the fructus gardenia, adding and stirring the cuttlebone, the dragon's blood and the natural borneol, and cooling the mixture to the normal temperature to obtain the ointment. The ointment containsanti-inflammatory, detumescent, analgesia, necrotic tissue-removing, granulation-promotion and hemostatic drugs, is remarkable in clinical effect by applying a wet healing method, and is suitable fortreating bedsores, open wounds, wounds of old people, diabetic feet, non-healing burns and scalds and the like.

The invention belongs to the technical field of medicine and hygiene and particularly relates to medical hydroxybutyl chitosan sponge and a preparation method thereof. The sponge is prepared from hydroxybutyl chitosan, sodium chloride, disodium hydrogen phosphate, sodium dihydrogen phosphate and a plastic agent which is one or more of glycerin and polyethylene glycol. A cross-linking agent is not needed, and the sponge has a thermal-sensitive characteristic after absorbing tissue fluid or blood, can be converted to a gel state when reaching the normal temperature of a human body, is firmly bonded with tissue, has effects of stopping bleeding, preventing adhesion and promoting tissue repair, can be combined with a sterilizing agent, growth factors and other drugs for use, and can also be applied to the fields of tissue engineering and artificial organs.

The invention discloses a hemostatic solution, a hemostatic nasal paste and a production process of the hemostatic nasal paste. The hemostatic solution comprises the following components in parts by weight, 50-80 parts of sorbitol, 50-80 parts of an anti-freezing solution, 10-20 parts of compound menthol nasal drops, 10-20 parts of caffeic acid tablets, 10-20 parts of felwort, 10-20 parts of rhizoma nelumbinis, 10-20 parts of ophiopogon roots and 10-20 parts of lalang grass rhizome. According to the hemostatic solution, the hemostatic nasal strip and the production process of the hemostatic nasal strip, the hemostatic solution is designed in a flowing state and cannot be solidified at 25 DEG C, so the hemostatic solution can be better attached to the nose of a patient, practicability is better, the hemostatic nasal strip is suitable for being used by different people, the use effect on the patient is better, and the hemostatic nasal strip contracts blood vessels at low temperature to achieve the hemostatic purpose; the hemostatic solution contains hemostatic medicine, when the hemostatic nasal strip is pressed, the medicine permeates through the first base layer and is absorbed bythe nose, the hemostatic effect is further enhanced, the hemostatic nasal strip can be fixed by the hand conveniently through the fingerstalls, the hemostatic nasal strip can be extruded continuouslyfor multiple times, the use frequency is not limited, and cost is low.

The present invention relates to a novel plant polysaccharide protective flushing solution mainly composed of oxidized cellulose, which comprises the following components: 0.1%-5% by weight of oxidized cellulose, and 0.8%-1.0% by weight sodium chloride, 0.01% to 0.1% by weight of pH value buffer substances and the rest of water for injection; the pH range of the novel plant polysaccharide protective flushing solution is 6.5 to 7.5. The novel plant polysaccharide protective rinsing solution provided by the invention has the functions of rinsing wounds, hemostasis, antibacterial, promoting wound healing and anti-adhesion, has good stability and is not easy to degrade.

The invention discloses a pair of hemostatic forceps which comprises a first forceps body, a second forceps body, a first forceps handle and a second forceps handle, wherein the first forceps body comprises a first clamping part and a first connecting arm which are integrally formed; the second forceps body is hinged to the first forceps body and comprises a second clamping part and a second connecting arm which are integrally formed; the second clamping part is matched with the first clamping part to form a forceps head part for clamping a blood vessel; the first forceps handle comprises a first adjusting handle and a first holding part which are integrally formed, and the first forceps handle is connected with the first forceps body through the first adjusting handle; the second forceps handle comprises a second adjusting handle and a second holding part which are integrally formed, and the second forceps handle is connected with the second forceps body through the second adjusting handle. The length of the pair of hemostatic forceps can be adjusted according to actual requirements of an operation, and the pair of hemostatic forceps has the advantages of being simple in structure and convenient to use.

The invention discloses a Binghuang hemorrhoid ointment and a preparation technology thereof. The hemorrhoid ointment comprises, by weight, 30-120 parts of Rhizoma Coptidis, 30-120 parts of Amur Corktree Bark, 30-120 parts of rheum officinale, 10-50 parts of dragon's blood, 10-50 parts of Lithospermum erythrorhizon, 30-120 parts of Radix Stemonae, 30-120 parts of Sophora flavescens, 30-120 parts of bletilla striata, 10-50 parts of pearls, 100-300 parts of calcined gypsum, 30-90 parts of natural borneol, 20-80 parts of mint, 1900-2100 parts of Vaseline and 25-35 parts of tea oil. The preparation method comprises the following steps: respectively crushing all above raw materials, and sieving the crushed raw materials by a 200 mesh sieve to obtain sieved raw materials for later use; and weighing the Vaseline and the tea oil, mixing and heating the Vaseline and the tea oil, cooling the obtained mixture to 60-70 DEG C, adding the Rhizoma Coptidis, Amur Corktree Bark, rheum officinale, dragon's blood, Lithospermum erythrorhizon, Radix Stemonae, Sophora flavescens, bletilla striata and calcined gypsum, stirring above materials, adding the pearls, mint and natural borneol, stirring all above raw materials, and cooling the obtained mixture to normal temperature in order to prepare the Binghuang hemorrhoid ointment. The Binghuang hemorrhoid ointment contains antibacterial medicines and inflammation preventing, swelling eliminating, pain easing and itch relieving medicines, has remarkable curative effects, and is suitable for treating internal hemorrhoids, external hemorrhoids, mixed hemorrhoids and anal fissures.

The invention discloses a herbal notoginseng whitening toothpaste. The herbal notoginseng whitening toothpaste is composed of notoginseng extract, glycerol, sorbitol, hydroxymethyl cellulose, saccharin, lauryl sodium sulfate, calcium carbonate, sepiolite, polyvinylpyrrolidone, essence and deionized water. According to the herbal notoginseng whitening toothpaste, a certain amount of the notoginsengextract added can achieve the effects of hemostasis, anti-inflammation, pain relief and the like; serving as an auxiliary additive, the sepiolite with decoloring, corrosion-resistant, radiation-proofand thermostable properties can abrade off stubborn yellow strains to achieve decoloring and whitening effects and meanwhile achieve good stain cleaning effects; the added polyvinylpyrrolidone can enhance the cleaning capacity and meanwhile achieve whitening and bactericidal effects. The herbal notoginseng whitening toothpaste achieves anti-bacterial, anti-inflammatory, anti-virus, pain-relievingand hemostatic effects as well as yellow stain abrading and tooth cleaning and whitening effects.

A wound dressing that can promote rapid wound healing, including an edge-retaining film and a fixed film that are easy to peel off. A functional pad is provided between the edge-retaining film and the fixed film. A protective film is provided on the side of the fixed film facing away from the functional pad. Multiple layers of loop-shaped or ring-shaped adhesive strips are provided on the film. On the one hand, it reduces the bonding area between the fixed film and the skin. On the other hand, it leaves a gap so that sweat can evaporate; a functional layer and a moisturizing layer are set in the functional pad. The pharmaceutical ingredients in it act on the wound and surrounding tissues to stop bleeding, antibacterial, bacteriostatic, anti-inflammatory, analgesic, promote healing, reduce scar formation and accelerate local blood circulation.

The present invention discloses a preparation method of bone bone analgesic composition and its medicament, aiming to provide a bone bone analgesic composition and its medicament with good therapeutic effect and little side effects. The invention also provides a preparation method of the medicament; The technical points are as follows: the bone-relief pain-relieving composition includes the following raw materials by weight: 15-20 parts of earthworm, 5-10 parts of elephant skin, 15-20 parts of natural copper, 12-15 parts of myrrh, Blood scorpion 5‑12 parts; belongs to the technical field of traditional Chinese medicine.

A chitosan-iodine composite biological medical film and a preparation method thereof are disclosed. The chitosan-iodine composite biological medical film is formed by compounding a chitosan-iodine polyvinyl-alcohol layer, a polyvinyl alcohol layer, a chitosan polyvinyl-alcohol foam layer and a hydrophilic polyglutamic acid net-shaped gel layer , and the chitosan polyvinyl-alcohol foam layer is compounded between the polyvinyl alcohol layer and the hydrophilic polyglutamic acid net-shaped gel layer . The four layers have different effects: the chitosan-iodine polyvinyl-alcohol layer has the effects of killing bacteria, moisturizing and promoting healing; the polyvinyl alcohol layer has the effects of moisturizing and promoting healing; the chitosan polyvinyl-alcohol foam layer has the effects of dewatering, absorbing seepage and moisturizing; and the hydrophilic polyglutamic acid net-shaped gel layer has the effects of stopping bleeding, adsorbing the wound and converting the adsorbed seepage to the chitosan polyvinyl-alcohol foam layer. According to the chitosan-iodine composite biological medical film, the chitosan-iodine polyvinyl-alcohol layer and the polyvinyl alcohol layer are heated in a microwave mode, so that a polar medium can be rapidly heated, the reaction temperature is rapidly reached, and the reaction time is shortened; and the chitosan polyvinyl-alcohol foam layer is dried by a vacuum freeze-drying method.

The invention provides a chitosan-iodine composite biomedical membrane. The chitosan-iodine composite biomedical membrane is formed by compounding a chitosan-iodine polyvinyl alcohol layer, a polyvinyl alcohol layer, a chitosan polyvinyl alcohol foam layer and a hydrophilic reticular polyglutamic acid gel layer; the chitosan polyvinyl alcohol foam layer is compounded between the polyvinyl alcohol layer and the hydrophilic reticular polyglutamic acid gel layer. The four layers take different effects, wherein the chitosan-iodine polyvinyl alcohol layer has the effects of resisting bacteria, moisturizing and promoting healing, the polyvinyl alcohol layer has the effects of moisturizing and promoting healing, the chitosan polyvinyl alcohol foam layer has the effects of dewatering, absorbing seepage and moisturizing, and the hydrophilic reticular polyglutamic acid gel layer has the effects of stopping bleeding, adsorbing wounds and absorbing seepage and transferring the seepage to the chitosan polyvinyl alcohol foam layer. The chitosan-iodine composite biomedical membrane is characterized in that the chitosan-iodine polyvinyl alcohol layer and the polyvinyl alcohol layer are heated by microwave so that a polar medium can be heated quickly to reach a reaction temperature rapidly and the reaction time can be shortened, and the chitosan polyvinyl alcohol foam layer is dewatered by use of a vacuum freeze-drying method.

A shell-iodine composite biomedical film, which is composed of shell iodine polyvinyl alcohol layer, polyvinyl alcohol layer, chitosan polyvinyl alcohol foam layer and hydrophilic polyglutamic acid network gel layer, chitosan The polyvinyl alcohol foam layer is compounded between the polyvinyl alcohol layer and the hydrophilic polyglutamic acid network gel layer. Each of the four layers has different effects. The shell iodine polyvinyl alcohol layer has the functions of antibacterial, moisturizing and promoting healing; the polyvinyl alcohol layer has the functions of moisturizing and promoting healing; Liquid and moisturizing effect; the hydrophilic polyglutamic acid mesh gel layer plays the role of hemostasis, absorbing wounds, absorbing exudate and converting it to the chitosan polyvinyl alcohol foam layer. The shell iodine composite biomedical film of the present invention, the shell iodine polyvinyl alcohol layer and the polyvinyl alcohol layer are heated by microwave, which can quickly heat the polar medium, quickly reach the reaction temperature, and shorten the reaction time, and the chitosan polyvinyl alcohol foam layer Dry by vacuum freeze-drying method.

The medical water-based adhesive proposed by the present invention utilizes the characteristics of giant salamander mucus which can be made into freeze-dried powder and can be mixed with various bioactive solvents to produce strong adhesive properties, and is applied to the skin and tissue of adhesive surgical wounds or other wounds. The medical water-based adhesive of the present invention has good biological safety, can be degraded in vivo, and has the effect of promoting regeneration. It also has antibacterial and hemostatic effects. Ideal material for healing needs.