119results about How to "Aids in healing" patented technology

The invention provides a Zika virus fluorescent PCR detecting kit, and relates to a kit for detecting Zika virus, in particular to simultaneous detection of Zika virus RNA by using a real-time fluorescent polymerase chain type reaction technology.The kit mainly comprises RT-PCR reaction liquid, primer probe mixed liquid, an RT-PCR reaction enzyme system, DEPC H2O and a packaging box for separating and packaging reagent bottles or tubes in a centralized manner.The kit adopts a Taqman probe detection mode and a one-step real-time fluorescent PCR reaction mode, can accurately and quickly detect the Zika virus RNA, and can be widely applied to various fields such as Zika virus disease clinic early diagnosis, disease prevention and scientific research.

The present invention relates to molecular immunology technology, and aims at screening out antigen epitope molecular simulation peptide capable of exciting human body's protective immunoreaction against tubercle bacillus, researching protective immunoreaction mechanism against tuberculosis, and further developing new type of concatenate polyepitope tuberculosis vaccine. The present invention provides one kind of antigen epitope molecular simulation peptide capable of exciting human body's protective immunoreaction against tubercle bacillus, and the peptide contains the amino acid sequence selected from SEQ ID Nos. 2, 5, 10, 12, 14 and 15. The present invention also provides the screening process and use of the peptide. The present invention may be used in preventing and controlling tuberculosis.

The invention relates to an externally-applied powder used for the midwifery of piglets, which is a natural externally-applied product. The externally-applied powder comprises nano smectite, a purely natural plant adsorbent, medicinal talcum powder, natural pearl powder, wall-breaking pine pollen, a radix notoginseng extract, a honeysuckle extract, borneol, eucalyptus oil and peppermint oil. The externally-applied powder is mainly used for the health care of sows and piglets at the time of the midwifery of the sows, can enable the body surfaces of newborn piglets to be quickly dried, keeps the body temperature of the piglets and enhances the survival rate and the strongness rate of the piglets; the externally-applied powder is smeared at the pudendum parts of the sows and lowers the generation rate of the diseases of the birth canals of the sows; the externally-applied powder has the functions of resisting bacteria, diminishing inflammation, stopping bleeding and alleviating pain and lowers stress caused by navel breaking, ear scissoring, tail breaking, other traumata and the like effectively; and the externally-applied powder removes fishy smell, ammonia gas, hydrogen sulfide, sulfur dioxide and the like, purifies the environment of a livestock barn, lowers the generation rate of respiratory diseases and enables the piglets to be kept in a favorable healthy state.

The invention relates to a 3D-printed porous tantalum metal bone plate. The 3D-printed porous tantalum metal bone plate is characterized in that tantalum metal powder is taken as a base material, andthe bone-imitating trabecular bone plate having bone induction property and produced by 3D printing has an interconnecting-pore structure fit for bone growth. The production method includes: under argon production, using medical grade spherical tantalum powder as a raw material to produce the porous bone plate by 3D printing; removing excess metal powder adhering to the surface of the bone plate through sandblasting; removing residual stress through heat treatment to make the surface of the bone plate smooth. By the arrangement, the porous bone plate with the bone induction property can form excellent bone integration with bone tissue so as to achieve permanent fixation in biology.

The invention relates to the field of bio-medicine techniques, and particularly relates to a polysaccharide hemostat and a preparation method thereof. The preparation method comprises the following steps: mixing high-viscosity high-deacetylation-degree chitosan with high-guluronic-acid-content (G) sodium alginate, then adding zinc chloride and calcium chloride into the obtained mixture, carrying out mixed coagulating bath on the obtained object, and stirring and crosslinking the obtained product, so that a polysaccharide hemostat is obtained. The invention also provides components of the polysaccharide hemostat and content thereof. According to the invention, high-viscosity high-deacetylation-degree chitosan and high-G-content (G) sodium alginate are taken as main components of the polysaccharide hemostat, so that obtained high-viscosity high-deacetylation-degree chitosan / zinc-calcium alginate composite microspheres are good in hemostatic effect.

The invention discloses an outward-turning intestinal tract welding anastomat which comprises a handle assembly, a telescopic rod assembly and a circular ring welding head assembly. The handle assembly is connected with a soft tissue high-frequency welding device through a cable and then forms an output loop for high-frequency current with the circular ring welding head assembly. The circular ring welding head assembly comprises a far-end circular ring welding head and a near-end circular ring welding head, the far-end circular ring welding head comprises a far-end electrode plate, a far-end circular ring and a plurality of far-end hooks, the near-end circular ring welding head comprises a near-end electrode plate, a near-end circular ring and a plurality of near-end hooks, and the far-end electrode plate and the near-end electrode plate are arranged oppositely. The intestinal tract tissue at the two ends is fixed into the far-end circular ring welding head and the near-end circular ring welding head which share the same axis respectively, the mucosa and the mucosa are attached, then high-frequency current is applied to make protein to be separated out from the tissue at the joint, and heating is continued so that the protein between the tissue can tangle and agglutinate to form firm connection. The outward-turning intestinal tract welding anastomat is mainly used for intestinal tract anastomosing in the open type surgical process.

The invention discloses a medical degradable corrosion resistant magnesium alloy stent implanted into a heart. The medical degradable corrosion resistant magnesium alloy stent implanted into a heart is characterized by comprising 12.5-13wt% of Zn, 3.6-3.8wt% of Nd, 3.2-3.8wt% of Ca, 1.1-1.3wt% of Mn, 0.5-0.8wt% of Y, 0.2-0.4wt% of Zr, 0.5-0.7wt% of Sn, 0.4-0.5wt% of Gd, 0.2-0.3wt% of Sr, 4.55-7wt%of Nd / Y, 1.1-2.4wt% of Gd / Zr, the balance of Mg and inevitable impurities. The components of the inevitable impurities and the weight percents of the components are Fe 0.002-0.005%, Ni 0.005-0.008%,Si 0.015-0.05%. The particle size of Mg3Nd precipitates in microstructure is 0.10-0.15[mu]m; the particle size of Mg3Y2Zn3 precipitates is 0.15-0.20[mu]m; the particle size of Ca2Mg6Zn3 precipitates in microstructure is 0.3-0.5[mu]m; the magnesium alloy has a grain size of 50-60[mu]m, a tensile strength of 300-380 MPa, a yield strength of 180-250 MPa, and an elongation of 20-35%.

In order to solve the problem that dislocation and other defects are greatly increased during seed crystal growth, the invention provides a SiC single crystal growth method capable of obviously reducing the dislocation density from the initial growth stage, thereby manufacturing SiC single crystals with lower dislocation density from the initial growth stage to the final growth stage. The invention relates to a manufacturing method of a silicon carbide single crystal block. According to the manufacturing method of the silicon carbide single crystal block, the silicon carbide single crystal block is prepared by growing the silicon carbide single crystals by using a sublimation recrystallization method on the growth surface of seed crystals generated by the silicon carbide single crystals, in the initial growth stage of the silicon carbide single crystals, a temperature range of 1200 DEG C to 2000 DEG C is adopted, and maintained for more than 10 minutes, then, the pressure is controlledto be between 100 Pa and 10 Kpa; and the pressure of a furnace body is kept constant, a certain flow of hydrocarbon gas is introduced into a growth furnace to enable the surface of the seed crystalsto grow homogeneously at a speed of less than 50 mu / h, and after growing for a period of time, the temperature and the pressure are adjusted to conventional growth conditions at a certain speed to obtain a SiC single crystal ingot with a target thickness.

The invention provides a method and system for processing a medical image. The method comprises the following steps that the image is read and displayed, the image is zoomed and rotated, negative film effect processing is conducted on the image, the image is cut, the grey level of the image is transformed, the contrast ratio of the image is increased, the image is displayed in the mode of a histogram, the histogram of the image is equalized, noise of the image is eliminated, the edges of the image are detected, the image is smoothed, and the image is sharpened. The system comprises a central processing unit, an image collecting module, an image processing module, a display module and a storage module, wherein the image collecting module, the image processing module, the display module and the storage module are respectively connected with the central processing unit. According to the method and system for processing the medical image, the medical image is read in and displayed, so that a series of processing is conducted on the medical image, the image processing technologies are fully used for effectively improving the image quality, diagnosis and treatment which are relative to the state of an illness and conducted by a doctor are facilitated, and the phenomena of missed diagnosis and misdiagnosis are avoided.

The invention relates to a biodegradable hydroxylapatite-magnesium and calcium metallic matrix composite, belonging to the field of biomedical materials. The material of the invention is composed of the composite of magnesium-calcium alloy and hydroxylapatite particles, the components and mass percent thereof are: 0.01-5% of Ca, 0-1% of Zn and Mg as the balance; the mass ratio of the hydroxylapatite to magnesium-calcium alloy is 0.01-50:100. In the invention, powder metallurgic method is adopted. The material matrix of the invention has close bonding with strengthened nano particles which areevenly distributed. The composite of the invention can be biologically degradable and has fine mechanical property and biological activity, and wide application prospect in medical material field such as repairing impairment of scaffold for bone tissue engineering, fixed fasteners within bones and weight-bearing parts of bones.

The invention relates to a wound covering which is used for covering a wound, and is characterized by comprising a fabric layer and an adsorption layer, wherein the fabric layer is formed by weaving polyacrylonitrile activated carbon fibers; the activated carbon fibers of the fabric layer are formed in a manner that polyacrylonitrile oxidized fibers are maintained in hydrous carbon dioxide at 700-1200 DEG C for 1-60min; the adsorption layer is arranged on one side, far away from the wound, of the fabric layer, and is made of one or a combination of a super absorbent polymer, cotton, alginate, polyvinyl alcohol and PU (Poly Urethane) foam; and the adsorption layer has higher water adsorption capacity than the fabric layer. The fabric layer of the wound covering cannot generate dust, and can be kept in a dry state, so that the problem that the wound is not easy to heal can be solved effectively.

The invention relates to a kit for detecting breast cancer HER2 gene amplification, especially to a kit for detecting HER2 gene real-time fluorescence polymerase chain reaction. By the utilization of the real time fluorescence PCR technology, the kit provided by the invention detects the amplification level of the HER2 gene in a breast cancer tissue specimen by calculating Delta Ct value, and canbe applied in a plurality of research fields such as the auxiliary diagnosis, clinic and prognosis of breast cancer.

The invention relates to degradable corrosion-resistant magnesium alloy for vascular stents. The degradable corrosion-resistant magnesium alloy is characterized by being prepared from the following elements: Zn, Gd, Nd, Ca, Y, Mn, Zr, Sn and Si as well as carbon nanotubes, Zn / Y, Zn / Ca and the balance of Mg and unavoidable impurity elements, wherein the unavoidable impurity elements are prepared from the following components by weight percent: 0.002-0.005% of Fe, 0.005-0.008% of Ni and less than or equal to 0.001% of Cu; the particle sizes of Mg3Nd precipitates in a metallographic structure are0.15-0.2mu m, the particle sizes of Mg3Y2Zn3 precipitates are 0.1-0.2mu m, and the particle sizes of Ca2Mg6Zn3 precipitates in the metallographic structure are 0.25-0.3mu m; the magnesium alloy has aparticle size of 40-50mu m, a tensile strength of 320-380 MPa, a yield strength of 200-250 MPa, an elongation of 20-35% and a Young's modulus of 40-50 GPa.

The invention belongs to the field of gene detection, and relates to a method for quickly detecting mitochondrial gene mutation or deficiency in a high-flux mode. The method is characterized in that after DNA of human whole genome is extracted, a specific primer is utilized for amplifying mitochondria DNA, interrupt response is performed after an amplified product is purified; after being recycled, a target fragment is modified and connected with a sequencing joint to form a DNA library; and data are sequenced and analyzed. The method can be used for quickly, comprehensively and simultaneouslydetecting information such as mutation and deficiency of the whole mitochondria DNA of a human body, has the characteristics of being time-saving and labor-saving, and strong in specificity, can timely find existence of mitochondria disease, and enriches a database of the mitochondria disease, so that basis can be provided for clinical diagnosis.

The invention discloses a medical moist composite dressing which comprises 20-50% of poly(glycolide-co-lactide) (PGLA) and 50-80% of sodium carboxymethylcellulose by mass percent. According to the technical scheme disclosed by the invention, as the medical moist composite dressing comprises the PGLA and the sodium carboxymethylcellulose and the PGLA has good mechanical properties, a network structure is formed in the dressing, thus forming protective layers on the surfaces of wounds, avoiding secondary wounds, providing space and nutrition exchange environment for granulation growth in the wound healing process or facilitating epithelium climbing growth, and being beneficial to wound healing; used as the dressing, the sodium carboxymethylcellulose can absorb plenty of exuded tissue fluid and prevent formation of adhesion during regeneration of the epithelium and movement of inflammatory cells and other cells while keeping the wounds moist; and through the synergy of the PGLA and the sodium carboxymethylcellulose, the change times of the dressing can be reduced, and wound healing can be accelerated.

The invention belongs to the field of traditional Chinese medicine, discloses a traditional Chinese medicine gel capable of promoting a skin wound to heal and is characterized by comprising a high molecular material, a penetration enhancer, a surfactant, a pH modifier, a preservative, water and traditional Chinese medicine clear paste prepared through raw materials of hyperforin perforatum, herb of denseleaf crazyweed, radix zanthoxyli, herb of thymeleaf speed welt, euonymus fortunei, hibiscus mutabilis and bletilla striata. According to the Chinese medicine gel capable of promoting the skin wound to heal, all medicine interacts collaboratively, stasis can be eliminated to subdue swelling, heat and toxic materials can be cleaned away, and effects of antisepsis and anti-inflammation as well as removing necrotic tissue and promoting granulation are realized. The effects of rapidly relieving patient's pain, rapidly healing the wound, removing blood stasis for promoting tissue regeneration and activating blood and dissipating stasis are realized; besides, the traditional Chinese medicine gel is uniform and fine and easy to coat after folding, the residence time is long, skin won't be tightened, the gel is stable to release, the stability is good, no toxic or side effect exists, the obedience of a patient for receiving treatment is improved greatly, and the life quality of the patient is improved.

The invention discloses medicine application of fructus teminaliae billaricae extract and particularly relates to application of fructus teminaliae billaricae extract and fructus teminaliae billaricae polyphenol in hyperuricemia medicine preparing. The fructus teminaliae billaricae extract and the fructus teminaliae billaricae polyphenol have the effect of xanthine oxidase activity restraining, uric acid concentration in hyperuricemia model mouse blood can be effectively lowered, the effect of hyperuricemia treating is achieved, and meanwhile the good treating effect is achieved on metabolic diseases related to hyperuricemia, namely gout.

The invention discloses a grafting method for litchi, and belongs to the technical field of agricultural planting. The method comprises the steps of nursery preparation, rootstock preparation, scion preparation, grafting operation and post-graft management; the grafting operation comprises the steps of scion cutting, rootstock cutting, hormone treatment and bonding; during the hormone treatment, the scion after scion cutting treatment is inserted into hormone mixture liquid for 2 to 4 hours, and a layer of hormone mixture liquid is applied to the incision of the rootstock after rootstock cutting treatment; the hormone mixture liquid is prepared from, by weight, 3-5 parts of indole acetic acid, 1-2 parts of auxin, 5-7 parts of cytokinin and 10000-12,000 parts of water; when bonding treatment is performed, a repairing agent is applied to grafting positions, and after the bonding treatment, grafted seedlings are obtained; after the grafted seedlings survive, topdressing treatment and pestprevention control treatment are carried out; the method solves the problem that the survival rate of the litchi grafted seedlings is not high during the cultivation process of litchi seedlings through a grafting method.

The invention discloses a medical moist composite dressing which comprises 20-50% of poly(glycolide-co-lactide) (PGLA) and 50-80% of sodium alginate by mass percent. According to the technical scheme disclosed by the invention, as the medical moist composite dressing comprises the PGLA and the sodium alginate, high water absorption of the sodium alginate ensures moist environments of wounds, the PGLA has good mechanical properties, a network structure is formed in the dressing, and a gel film formed by sodium alginate fibers can be put on the wounds for a long time and is not easy to damage, thus reducing the change times of the dressing and being beneficial to wound healing.

The invention discloses an intelligent elderly hypertension self-care method based on Internet. The method comprises the following steps of collecting the vital sign data of a patient and uploading toa background management system; through using traditional Chinese medicine time and a pulse condition, and a recipe, providing a full-day diet and daily life guidance service, through the method of combining quantification and quantization, form an electronic diary for each patient, and transmitting to a corresponding community hospital to form a systematic file management; publishing the healthcalendar of an elderly inpatient with hypertension through a background management system, refining and quantifying the intakes of staple food, vegetable, fruit, oil and fat, and listing the health calendar of a hypertensive patient with other disease types separately; and prompting daily medication time and the generated diet and exercise plan of the day for the patient. The self-care state of the elderly hypertensive patient is tracked, investigated and assessed through the Internet, and regular intervention is performed, which is good for improving the life quality of and the health state of the elderly patient.

The invention provides a novel hemostasis composition which comprises fibrinogen or hemaleucin, and batroxobin, wherein the ratio of the batroxobin to the fibrinogen or hemaleucin is 0.01:100IU:1mg. Because a clot formed by the batroxobin can not cause contraction, and the batroxobin can not cause crossimmunity reaction, the hemostasis composition can overcome multiple defects existing in hemostasis products containing thrombin or prothrombin.

The invention discloses a bionic bone joint based on curved surface 3D printing and a preparation method thereof. The multilayer bionic joint is formed by an inner layer, a middle layer and an outer layer which are in close contact in sequence, wherein the inner layer is a porous tantalum metal support, the middle layer is a solid biological ceramic support, the outer layer is a solid gelatin / sodium alginate composite hydrogel support, the inner layer, the middle layer and the outer layer are all of an arc-shaped shell structure, the radian of the arc-shaped shell is 120-240 degrees, and a cell loading cavity formed by continuous or discontinuous edges formed by protruding outwards from the surface of the outer layer and grooves formed between the edges is formed in the surface of the outer layer. The multilayer bionic joint is large in arc surface radian and suitable for repairing large-area osteochondral joint defects, and the repairing area can be larger than 1 / 2 of the area of thewhole joint. Cells are inoculated into the cell loading cavity, so that the adhesion rate of the cells is increased, and the problem that the surface of the outer layer of the bionic joint is smooth,so that the inoculated cells are not prone to adhesion is solved.

The invention discloses a molecular marker for diagnosing and treating tumors. The molecular marker is a fused gene PLEKHA1-TACC2; and the fused gene simultaneously contains a part of sequences of a gene PLEKHA1 and a gene TACC2. The molecular marker disclosed by the invention is beneficial to early diagnosing and treating tumours, increasing the screening efficiency and reducing the screening cost; a direction is provided for individualized treatment; and the survival rate and the survival quality of patients are improved.

The invention discloses a feed additive capable of improving an edible value of chickens. The feed additive is prepared from the following substances: rhizoma atractylodis, pericarpium citri reticulatae viride, herba portulacae, radix astragali seu hedysari, radix glycyrrhizae, herba leonuri, agrimonia pilosa, herba clinopodii, radix paeoniae alba, fructus lycii, rhizoma dioscoreae, flos sophorae immaturus, herba siegesbeckiae, cornu cervi degelatinatum, black soybeans and modified attapulgite powder. The additive disclosed by the invention is mainly prepared from natural Chinese herbal medicine ingredients, so that any side effect on chicken products is not caused; a plurality of types of Chinese herbal medicine are reasonably matched so that all beneficial components can express the maximum effect; after the chickens eat the feed additive for long time, the morbidity of the chickens is greatly reduced, and the mouth feel of meat, the nutritive value and the yield are relatively improved; a lot of verification finds out that the chicken product raised by the additive can be used for effectively reducing hypertension, hyperlipemia and hyperglycemia; the prevention and treatment of gynecological diseases and age-related diseases can be facilitated, and the nourishing effect on pregnant and lying-in women and old people is relatively good.

The invention discloses a real-time fluorescent quantitative PCR (polymerase chain reaction) kit for detecting candida glabrata, which comprises the following substances: PCR reaction solution, primer and probe mixed solution, a PCR reaction enzyme, pure H2O and a positive quantitative standard product. The real-time fluorescent quantitative PCR kit is used for detecting the nucleic acid amplification level of the candida glabrata and can reflect the state of the infection of the candida glabrata in a patient body, be used for monitoring, preventing and treating fungal infection, and be conductive to early diagnosis and treatment of diseases; and the real-time fluorescent quantitative PCR technology designs a primer and a probe against the nucleic acid specificity sequence of the candida glabrata, the specificity is strong, the sensitivity is high, and the technology further has the advantages of higher flux, simpleness in operation and relatively low cost, and is applicable to detecting various samples of most of patients. The amplification of the samples to be detected by using the kit is completed by a commercial real-time fluorescent quantitative PCR instrument, the operation is simple, the consumed time is short, and the pollution can be reduced to the maximum extent.

A pueraria powder coated rice is prepared from rice and pueraria powder proportionally through immersing them in water, stirring for coating pueraria powder on the surface of each rice grain, and baking at 40-60 deg.C. Its advantages are nutritive health-care function and supplementing trace elements.

The invention provides a personalized 3D printing porous titanium-based tantalum metal-coating bone fracture plate with osteoinductive activity. The plate is prepared by taking titanium metal powder or titanium alloy metal powder as a base material, and forming a tantalum coating on the surface of a porous titanium-based bone fracture plate which is prepared by 3D printing processing and has a void structure. The porous titanium-based tantalum metal-coating bone fracture plate has the porosity of 50-80%, the bending strength of 50-150 MPa, the elastic modulus of 2-30 GPa, the void diameter of200-800 [mu]m and the tantalum coating thickness of 30-60 [mu]m, and has sufficient strength and good osteoinductive performance. The implanted bone fracture plate conforming to the anatomical structure of the fracture part can form excellent bone integration with bone tissues, and the problem that a conventional bone fracture plate easily gets loosened and breaks after being implanted into a bodyfor a long time is avoided, so that permanent biological internal fixation is achieved.

The invention discloses a real-time fluorescence quantitative PCR (Polymerase Chain Reaction) kit for detecting candida tropicalis. The kit comprises the following substances: a PCR solution, a primer and probe mixed solution, a PCR enzyme, pure H2O and a positive quantitative standard product. The kit is used for detecting nucleic acid amplification level of the candida tropicalis, so that state of candida tropicalis infection in a patient can be reflected, and the kit can be used for monitoring, preventing and controlling fungal infection and contribute to early diagnosis and treatment of diseases; and in the real-time fluorescence quantitative PCR technology, a primer and a probe are designed aiming at a specific sequence of the nucleic acid of the candida tropicalis, so that the kit has the advantages of high specificity, high flexibility, higher flux, easiness and convenience in operation and relatively reduced cost, and is suitable for detecting various specimens of most of patients. The amplification of a specimen to be detected by the kit is finished by a commercial real-time fluorescence quantitative PCR instrument; the kit is easy to operate and has low time consumption; and pollution is reduced to the greatest extent.

The invention relates to the technical field of medical instruments, in particular to a postoperative femoral artery hemostasis compressor for the department of cardiology. The compressor is characterized in that a pressing plate is movably connected into a fixed box body, a toothed plate is fixedly connected to the position, located on the outer surface of the fixed box body, of one end of the pressing plate, a moving rod is movably connected into a limiting hole, the bottom end of the moving rod is movably connected with a second connecting rod, the bottom end of the second connecting rod penetrates through the outer surface of the shell and is movably connected with a short plate, the bottom of a protective cover is fixedly connected with a hemostatic pressing plate, and the bottom of the push rod movably penetrates through the interior of the hemostatic pressing plate and is fixedly connected with an air bag; a rotating rod is kept to indirectly drive a gear to uniformly rotate, sothat the compression strength and the compression intermittent time are easy to control; and the air bag inside the hemostatic pressing plate is compressed by utilizing the pressure generated in thefalling process of the air bag and the certain elasticity of the air bag, and therefore, hemostatic powder filling the interior of the air bag is discharged to a wound from a through hole in the bottom.

The invention provides a blood lipid level related single nucleotide polymorphism rs4883263 detecting system and related application, particularly determines relevance between single nucleotide polymorphism rs4883263 and blood lipid level, provides application of reagent materials and / or instruments for detecting polymorphism of a rs4883263 locus in a sample of a to-be-tested individual to preparation of a detecting system for assessment of blood lipid level and / or dyslipidemia risks, and further provides the detecting system for assessment of the blood lipid level and / or the dyslipidemia risks. The detecting system comprises the reagent materials and / or instruments for detecting polymorphism of the rs4883263 locus in the sample of the to-be-tested individual, wherein rs4883263 is remarkably related to HDL-C level, and rs4883263 locus C allele carriers are lower in HDL-C level and higher in dyslipidemia risks than non-carriers.