58results about How to "Reduce the incidence of allergic reactions" patented technology

The invention discloses a three-dimensional kidney neoplasm surgery simulation method and a platform based on a computed tomography (CT) film. The method includes that firstly, a data base including object resources is built, multiple manners including CT film scanning are inputted into a CT faultage image, a sequence image is registered according to the sequence based on an outline gradient principle, a registered CT image is utilized to reconstruct segmentation tissue of an arterial phase, a venous phase and a lag phase by adopting of a three-dimensional reconstruction technology, and the segmentation tissue of the arterial phase, the venous phase and the lag phase are effectively fused in the same coordinate space. According to an imaging staging criteria and a treatment guideline of kidney neoplasm, and based on modeling results, various peration plan designing, operation stimulation, surgical risk analysis and response, and prognostic analysis are carried out, a personalized and benefit maximization treatment plan can be provided for an object, and skills and degree of proficiency of an operation can be improved, and the three-dimensional kidney neoplasm surgery simulation method can be used in medical teaching.

The invention discloses a preparation method of a thymopetidum injection, comprising the following steps of: mixing and grinding thymic tissues of calves or pigs and an aqueous sodium chloride solution; regulating a pH value to 3.5-4.5; freezing at the temperature from 15 DEG C below zero to 22 DEG C below zero; thawing and heating frozen mixed and ground fluid to the temperature of 33-37 DEG C; homogenizing the liquid to obtain homogenate; heating the homogenate to the temperature of 80 DEG C; insulating for 30 minutes; separating to obtain supernatant fluid; mixing the supernatant fluid and ethanol; standing; separating again; concentrating; regulating a pH value of concentrated fluid to 7.5-8.5; then, heating the concentrated fluid to the temperature of 80 DEG C; insulating for 30 minutes; cooling and centrifugally separating to obtain third supernatant fluid; after hyperfiltering and clarifying by an ultrafiltration membrane step by step, obtaining a thymopetidum solution; adding water for injection into the thymopetidum solution in order to regulate thymopetidum content of 2.5mg or 5mg or 10mg in each milliliter of the thymopetidum solution; adding a stabilizing agent; and obtaining the thymopetidum injection after being sterilized. In the prepared thymopetidum injection, the content of high polymer substances is smaller than 0.5 percent and is further lower than a standard rule of China.

The invention belongs to the field of medicine, and provides a compound amino acid dipeptide injection, a preparation method thereof and an application thereof, the injection comprises three cavity bags, the three cavity bags are respectively separated by three bags and filled with a branched-chain amino acid solution, a L-alanyl-L-glutamine solution, and a mixed solution containing arginine hydrochloride and vitamin B6; wherein, in every 1000 mL of the injection solution, the total mass of the amino acid is 50 g to 130 g; and the branched chain amino acid mass accounts for 10 to 80% of the total mass of the amino acid; the mass of L-alanyl-L-glutamine is 5 to 70% of the total mass of the amino acid; the mass of arginine hydrochloride is 0 to 50% of the total mass of the amino acid; and the mass of the vitamin B6 is 0 to 1 g. The injection of the invention improves the stability and effectiveness of the product while providing product safety, and the technical scheme is simple and convenient for industrial production.

The invention belongs to the field of cosmetics with special purposes and in particular relates to folium artemisiae argyi flavone freckle-removing gel. The folium artemisiae argyi flavone freckle-removing gel is characterized by being prepared from the following components in parts by weight: 23 percent to 26 percent of folium artemisiae argyi extract, 4.5 percent to 5.5 percent of water-solubleazone, 0.8 percent to 1.2 percent of a gelling agent, 1 percent to 1.5 percent of a humectant, 2 percent to 3 percent of a surfactant, 0.5 percent to 1 percent of a co-surfactant and the balance of purified water which is added until the content is 100 percent. The folium artemisiae argyi flavone freckle-removing gel provided by the invention has the advantages that a production technology of thefolium artemisiae argyi extract is simple, the consumption of organic solvents is less and the variety of flavones in a product is abundant; the content of the flavone in the folium artemisiae argyi extract is detected by adopting an ultraviolet spectrophotometry and is 21.3 percent to 27.5 percent. Folium artemisiae argyi oil has an anti-allergic effect; when the content of the folium artemisiaeargyi oil is relatively low, the anaphylactic reaction probability in a utilization process is easy to reduce; after a transdermal agent azone is added, the folium artemisiae argyi flavone can easilydirectly act on freckles through skin and the metabolism of skin cells is accelerated, so that the effects of realizing freckle fading and preventing new freckles from being generated are realized.

The invention is calf dehemoglobinize extract transfusion and its manufacturing method. The amino acid and small peptide in the extract of the calf dehemoglobinize can be polymerized into high molecular peptide and large molecular weight peptide, thus the medicine has antigenicity and reduces the biology activity of the medicine, and causes the increase of clinic hypersusceptibility. The ingredients of the calf dehemoglobinize are: the calf dehemoglobinize extract and osmotic pressure regulator, the calf dehemoglobinize extract is extracted from the calf blood or blood serum, the extract solid contains nitrogen and amino acid, its weight shares are: amino acid is 20.0-30.0, the nitrogen 12.5-18.75, the osmotic pressure regulator 50-100, pH value is 5.5-8.0, the product is a little yellow or yellow transparent liquid. The product can be applied to cure cerebral ischemia, cerebral dementia, brain trauma and incompetence of brain fucntiosn, and so on, they are all brain cell metabolism handicap diseases; it also can be applied to cure the twig artery, vein circulation obstruction, and artery angiopathy.

The invention relates to a ceftriaxone sodium compound and a preparation method thereof. The compound comprises active ingredient ceftriaxone sodium, impurities and ceftriaxone polymer, wherein the content of ceftriaxone sodium is not less than 90.0% by calculation on the basis of an anhydride, the total weight percent of the impurities is not larger than 0.1% on the basis of the weight percent of ceftriaxone, the impurities comprise 7-ACT and triazine ring, and the weight percent of the ceftriaxone polymer is not larger than 0.1% on the basis of the weight percent of ceftriaxone. The preparation method of the compound is simple, economical and environment-friendly, the contents of the impurities and the polymer in a product are low, adverse reactions are remarkably reduced, and safety of clinical medication of a ceftriaxone sodium preparation can be guaranteed well.

The invention provides an interior wall coating. The coating comprises the following components in parts by weight: 10-40 parts of a silicate, 0.1-0.5 part of a dispersant, 20-40 parts of titanium dioxide, 0.1-0.5 part of an anti-foaming agent, 10-30 parts of water, 10-20 parts of a degradable emulsion, 0.1-0.5 part of cellulose, and 0.3-1 part of a silicate stabilizer, wherein raw materials of the degradable emulsion comes from fruit extracts of gramineous plants. The interior wall coating adopts the fruit extracts of the gramineous plants as the main preparation raw materials for the degradable emulsion, residual monomers in the emulsion are avoided, performances of a traditional interior wall coating can be reached, and main allergens (preservatives, mould inhibitors, film-forming auxiliary agents, antifreeze agents and residual monomers in the emulsion) are excluded, so that the probability of allergic reactions of skin contactors or respiratory inhalers is reduced. The invention also provides a preparation method of the interior wall coating.

The invention relates to the field of medicine purification, and in particular, relates to a cefaclor impurity removal method which comprises the following steps: S1, weighing a cefaclor compound, anddissolving the compound in an organic solvent; S2, filtering and separating the organic solvent, and extracting the organic solvent containing cefaclor; S3, adjusting the acid-base value of the organic solvent and adjusting the temperature of the organic solvent, and performing secondary filtration by utilizing an adsorbate; S4, putting the adsorbate into a mixed solution of a low-carbon solventand water, and crystallizing cefaclor adsorbed on the adsorbate. According to the cefaclor impurity removal method, cefaclor impurities are put in the organic solvent for dissolving, cefaclor insoluble in water can be dissolved in the organic solvent, the organic solvent of cefaclor is separated, filtered and extracted, the pH value is controlled, cefaclor particles with low impurity content are obtained, and the occurrence rate of allergic reaction possibly caused by excessive impurities of medicines is reduced.