148 results about "Hemostatic gauze" patented technology

Bioabsorbable, water-soluble hemostatic cellulose based gauze matrix structures are described, including one or more species of chitosan, etherized cellulose, nonionic surfactant, water-soluble polysaccharide hydrocolloid and/or gum. Approximately 85% to 95% deacetylated decrystallized chitosan, present in an amount from about 2% to about 15% by weight, is found to be particularly advantageous. Favorable properties are found related to rapid stoppage of bleeding and bioabsorbability, among other properties.

The invention relates to a method for preparing a bletilla striata hemostatic gauze and belongs to the technical field of textile engineering. The preparation method provided by the invention employs the manner of carrying out the process of soaking bletilla striata stem blocks in distilled water a plurality of times, filtering and collecting the filtrate, and further comprises the following steps of: concentrating the collected filtrate, adding absolute ethyl alcohol to the concentrated bletilla striata gum solution, thoroughly standing and performing alcohol precipitation, thereby obtaining white precipitate; washing the white precipitate using absolute ethyl alcohol, and drying the precipitate for future use; preparing the dried bletilla striata gum into a spinning solution with water as a solvent and spinning the solution into long filaments with the absolute ethyl alcohol as a coagulating bath; knitting the long filaments into the gauze through needle weaving, machine weaving or non-weaving; and then cutting, disinfecting and packing the gauze, thereby obtaining the water-soluble hemostatic gauze. The raw material employed by the preparation method provided by the invention is the bletilla striata gum extracted from the bletilla striata stem blocks; the bletilla striata gum has excellent water-solubility; the bletilla striata long filaments can be degraded and absorbed in body and is good in compatibility with the organism without side effect on the wound. Chemicals involved with the preparation of the bletilla striata hemostatic gauze is only the absolute ethyl alcohol which can not generate harmful substances and has no pollution on the environment; and the coagulating bath for spinning by the wet method and the spinning process are simple and low in cost.

The invention relates to soluble hemostatic gauze prepared from carboxymethylated solvent woven cellulosic fiber and preparation methods thereof. According to one method for preparing the soluble hemostatic gauze, the carboxymethylated solvent woven cellulosic fiber is respectively alkalized and etherified respectively by sodium hydroxide solution and sodium chloroacetate solution step by step. In addition, the invention further provides another method for preparing the soluble hemostatic gauze, wherein the carboxymethylated solvent woven cellulosic fiber is further alkalized and etherified in one step by a mixed solution of sodium hydroxide and sodium chloroacetate. According to the invention, the carboxymethylated cellulosic fiber with high transparency, high degree of substitution and high water-absorbing quality can be prepared at a low temperature, and the soluble hemostatic gauze provided by the invention can be prepared.

The invention discloses chitosan hemostatic gauze. The chitosan hemostatic gauze is characterized by being prepared from the following raw materials in parts by weight: 3-5 parts of pelargonium hortorum, 3-5 parts of dahurian angelica root, 1-2 parts of panax notoginseng, 1-2 parts of cape jasmine, 4-6 parts of chitosan, 8-12 parts of gelatin, 0.1-0.2 part of squalane, 0.1-0.2 part of polysorbate-80, 2-4 parts of sodium alginate, 2-4 parts of sodium carboxymethylcellulose, 1-2 parts of hydroxyethyl starch, 1-2 parts of auxiliary materials and 200-250 parts of water. According to the chitosan hemostatic gauze disclosed by the invention, soluble hemostatic gauze is prepared from natural high molecular materials such as chitosan and the like in a coordination mode, the soluble hemostatic gauze has good hemostatic functions and good antibacterial effects, is easy to be absorbed by a human body, is good in biocompatibility, and cannot cause toxic or side effect; by extracting and compounding natural plant effective components, the hemostatic gauze can be used for diminishing inflammation and relieving pain, and converging and removing scars; and moreover, the chitosan hemostatic gauze has slow release effects, can be used for effectively prolonging the action time, and ensures that better use effects can be achieved.

The invention relates to clay-enhanced cuttlefish bone meal hemostatic gauze and a manufacturing method thereof. The hemostatic gauze comprises a substrate material, cuttlefish bone meal which is combined on the substrate material and is used as hemostat and clay which is combined on the substrate material and is used for enhancing the hemostatic effect, or also comprises other beneficial components which have the promoting effect on hemostasis and a connection agent for combining each component on the substrate material. The manufacturing method comprises the following steps of: preparing a suspension sizing agent by using water, the cuttlefish bone meal and the clay, and heating the suspension sizing agent at the temperature of 15 DEG C until the suspension sizing agent is boiling; immersing the substrate material into the sizing agent, or coating the sizing agent on the substrate material; taking the substrate material impregnated or coated with the sizing agent out, and performing flat pressing or rolling, or after taking the substrate material impregnated or coated with the sizing agent out, covering one side or both sides of the substrate material coating with the sizing agent by using medical cotton yarn or non-woven fabrics, and performing the flat pressing or the rolling again; and performing drying and sterilization to obtain the clay-enhanced cuttlefish bone meal hemostatic gauze. The gauze is used for treating surgical haemorrhage; and compared with the treatment of the ordinary gauze, the clay-enhanced cuttlefish bone meal hemostatic gauze has the advantages that: the hemostatic time of the hemostatic gauze is shortened by 35.9 to 66.5 percent; and the blood loss amount of the hemostatic gauze is reduced by 49.9 to 88.4 percent.

A soluble hemostatic gauze for anti-inflammation and pain relieving and the preparing method, relating to field of medical sanitary goods. The hemostatic gauze comprises the following substance according to the percentage by weight: dibasic sodium phosphate 0.1-0.3%, sodium alginate 1-1.8%, carbomu 0.5-25, antibacterial drugs 1-10%, polyethylene glycol 1-2%, tuwen 1-4%, dimethicone 0.1-1%, sodium carboxymethylcellulose 0.2-0.8%, americaine 0.05% and the left is ethanol solution. The product possesses functions of special pain relieving, preventing adhesion after surgery besides functions of hemostatic, broad spectrum antibiotic and promoting wound healing, which is of great importance for relieving patient pain and improving their survival quality.

The production process of water soluble hemostatic gauze includes the following steps: placing the degreased gauze into ethyl alcohol containing chloroacetic acid, oscillating, then placing it into high-concentration ethyl alcohol, using concentrated acid to regulate pH value to 6.5-8.5, finally immersing it into high-concentration ethyl alcohol, washing, drying and sterilizing by gamma ray so as to obtain the invented product which can be used for various hemostatic operations, protecting surface of wound and preventing formation of adhesion, also can be used moisture-proof material.

An inflammation-relieving and antibacterial exterior-applied synthetic medicine is prepared from quinolone and amino acid through reaction. A soluble staltic gauze for treating wound is prepared through adding quinolone and amino acid to water or aqueous solution of alcohol, regulating concentration to 5-30 wt.%, reacting for 0.5-30 hr, mixing the resultant with soluble fibres in alcohol solution for 0.5-30 hr, and drying the soluble fibres. Said gauze can be filled in wound or used to cover on wound to promote healing of wound without secondary pollution.

The invention discloses a propolis hemostatic gauze. The propolis hemostatic gauze is prepared from the following raw materials in parts by weight: 6-8 parts of propolis, 1-2 parts of carbomer, 6-8 parts of gelatin, 2-4 parts of sodium alginate, 0.3-0.5 part of jojoba oil, 0.1-0.2 part of grape seed oil, 1-2 parts of hydroxyethyl cellulose, 2-4 parts of sodium carboxymethylcellulose, 0.05-0.1 part of D-panthenol, 0.1-0.2 part of polysorbate-80, 1-2 parts of auxiliary materials and 200-250 parts of water. The soluble hemostatic gauze is prepared by taking a natural substance propolis as a main material, has a good hemostatic effect and antisepsis and anti-inflammation effects, and can be used for promoting the healing of wounds, improving the immunity and providing nutritional ingredients needed by the healing of the wounds; and meanwhile, the propolis hemostatic gauze has a simple manufacturing process, is safe and environmentally friendly, has good biocompatibility, is easily absorbed by a human body and has no toxic or side effects.

Disclosed is a soluble hemostatic gauze for diminishing inflammation, killing bacteria and calming pain, and its making method, which comprises the following raw materials (by weight portion), 0.1-0.3% of disodium hydrogen phosphate, 1-1.8% of sodium alginate, 0.5-2% of Carbomer, 1-10% of cationic surface active agent, 1-2% of polyethylene glycol, 1-4% of Tween-80, 0.1-1% of dimethyl silicon oil, 0.2-0.8% of sodium carboxymethylcellulose, 0.05% of benzocain and balancing ethanol solution.

The invention relates to a medical article, in particular to a medical band-aid. The medical band-aid comprises a belt body, wherein the two ends of the belt body are provided with adhesive sticker layers. The medical band-aid is characterized in that: the middle part of the belt body is provided with an openable observation window; the observation window is provided with a handle which can be attached to the belt body; the internal surface of the observation window is provided with a Chinese medicament layer which is provided with a soluble hemostatic gauze layer; and a protective film layer is formed on the gauze layer. Therefore, the medical band-aid has the advantages of simple structure, convenient use, high air permeability and capability of observing the wound healing condition.

The invention relates to the technical fields of a medical dressing and a production process thereof, in particular to bamboo fiber hemostatic gauze and a preparation method thereof. The hemostatic gauze consists of a base material made from a raw or regenerated bamboo fiber material , a kaolin or kaolinite hemostatic clay material which is bonded to the base material and a binding agent for binding the hemostatic clay material to the base material. According to the hemostatic gauze disclosed by the invention, the base material in the bamboo fiber hemostatic gauze consists of bamboo fibers, the hemostatic clay material consists of kaolin or kaolinite and the hemostatic clay material is bonded to the bamboo fibers of the base material by virtue of the bonding agent, so that a stable nature is guaranteed, the hemostatic clay material is prevented from falling off easily, and the hemostatic gauze is good in hemostatic effect.

The invention discloses hyaluronic-acid-containing hemostatic gauze. The hyaluronic-acid-containing hemostatic gauze is characterized by being prepared from the following raw materials in parts by weight: 2-4 parts of folium artemisiae argyi, 1-2 parts of calendula, 2-4 parts of tremella, 1-2 parts of peach gum, 8-12 parts of gelatin, 0.3-0.5 part of hyaluronic acid, 2-4 parts of sodium alginate, 3-5 parts of sodium carboxymethylcellulose, 0.3-0.5 part of sodium dihydrogen phosphate, 0.2-0.4 part of ethylene diamine tetraacetic acid, 0.1-0.2 part of polyvinylpyrrolidone, 1-2 parts of auxiliary materials, and 200-250 parts of water. The soluble hemostatic gauze disclosed by the invention is collaboratively prepared from natural high polymer materials, is good in hemostatic function, is easy absorbed by human body, is good in biocompatibility, and is free from toxic and side effects; the soluble hemostatic gauze is capable of astringing to stop bleeding, and inhibiting bacteria and resisting inflammation by extracting and compounding the natural effective ingredients of calendula and folium artemisiae argyi, has a controlled-release function, effectively prolongs the action time, and achieves a better use effect.

The invention discloses a preparation with double functions of stopping bleeding and sustainedly releasing a granulocyte colony stimulating factor and a preparation method thereof in the technical field of medicine preparation. The preparation consists of glucan particles containing the granulocyte colony stimulating factor, a degradable sustained/controlled release material and a hemostatic material framework. By combining surgical hemostatic gauze with a medicine sustained-release system consisting of the glucan particles containing the granulocyte colony stimulating factor and a degradable sustained/controlled release material coating, a medicine loading procedure is added in a hemostatic gauze production process in a preparation process; and the method is simple and practicable and is suitable for various medicines.

The invention discloses a preparation method of a soluble hemostatic textile material, and belongs to the technical field of preparation of soluble hemostatic textile materials. The preparation methodcomprises the steps of firstly, preparing spinning raw pulp fibers and antibacterial liquid; then preparing a fiber membrane, and preparing antibacterial fibers on the basis of the fiber membrane; and finally, treating the antibacterial fibers with 4 mol/L of a chloroacetic acid reaction solution, adjusting pH to be neutral with a hydrochloric acid solution and finally washing with deionized water to obtain the soluble hemostatic textile material for a hemostatic gauze. The gauze can be well adhered to a wound, and the comfort of the hemostatic gauze in use is improved. The prepared fibers have excellent antibacterial and deodorizing properties, and also have good air permeability and water absorption. The solubility of the fiber material is improved, and meanwhile, the textile material has a hemostatic function. Wound healing is promoted, adhesion is avoided, and protection to the wound is improved.

The invention discloses a nephrology department tourniquet. The nephrology department tourniquet comprises a hemostatic pack, the top and the bottom of the hemostatic pack are respectively provided with two adhesive tapes in fixed connection, and the surfaces of the adhesive tapes are provided with a plurality of adhesive tape breathing holes penetrating through the adhesive tapes; the outside ofthe hemostatic pack is provided with hairy adhesive tapes fixedly connected with the hemostatic pack, and the outside of the hairy adhesive taps is provided with lateral adhesive tapes; the top of a hemostatic gauze is provided with an airbag in tight connection, the outside of the airbag is provided with a release pipe, the top of the airbag is provided with a protective layer in tight connection; waterproof edges outside the adhesive tapes prevent external moisture from permeating to the bottom of the adhesive tapes and the lateral adhesive tapes; the adhesive tape breathing holes ensure thebreathing effects of the adhesive tapes to avoid secondary bacterial infection of skin due to poor breathability; the protective layer at the top of the airbag can protect the airbag and avoid failure of the airbag in normal pressure regulation due to external damage to the air bag.