81results about How to "Improve healing rate" patented technology

There are provided devices for applying negative pressure to a wound in an endoluminal surface of a patient to facilitate healing of the wound and methods for use of the devices. The device (69, 94, 134, 140, 156, 164) comprises a flexible porous element with an outer face defined between opposite proximal and distal ends of the porous element. A suction tube (30) for being connected to a suction source externally of the patient's body is in fluid communication with the porous element (14) to apply the negative pressure to the wound via the outer face of the porous element. In some embodiments, the porous element has a longtitudinal passageway (16) for passage of bodily substances of the patient along the lumen defining the endoluminal surface through the porous element. In such embodiments, the device may also have at least one absorbent element (70, 80) for absorbing the bodily substances and which is disposed forwardly or rearwardly of the porous element (14). Embodiments of the device may also include a drainage tube (22) for collection and drainage of bodily substances from the patient and which is received in the longtitudinal passageway (16) of the porous element. In other embodiments, the porous element can be in the form of a mat wrapped around a feeding or other insertion tube. The porous element of a device embodied by the invention may also include one or more irrigation channels (85, 86) for delivery of an irrigation fluid into or though, the porous element. The porous element and/or absorbent element(s) may be sponge(s).

A light delivery system to provide light treatment to a patient includes an elongated catheter having a light emitter that transmits light towards a target site within a patient. The catheter is sized and configured to pass through anatomical body structures to reduce or eliminate trauma associated with the delivery procedure. A visualization system of the catheter can assist a user before, during, and/or after performing light therapy. The visualization system includes sensors that provide real-time imaging or feedback.

A health-care food for protecting gastric mucosa contains chitosan (15-95 wt.%) and carragheenin (5-85 wt.%), and is prepared from the edible marine living things through extraction and separation of effective components. Its advantages are high effect and no by-effect.

The invention belongs to the field of crop cultivation, and relates to a method for increasing a healing rate of clonal tea shoots for cutting. The method is characterized in that influence of the quality of nutrient solution at water culture stages for the tea shoots, pH (potential of hydrogen) values, proportions of nutrient components, hormones, sunshade rates, environmental temperatures, water culture periods, shoot pruning modes for the tea shoots and the ages, the thicknesses and the lengths of the tea shoots on formation of water culture calluses of the tea shoots is compared, and suitable water culture conditions for the tea shoots are screened; tea shoots with green stems or pink stems are selected, the length of each shoot ranges from 2.0cm to 2.5cm, and lower-end pruned wound of each fully grown auxiliary bud with one leaf can be flat or oblique; the tea shoots are soaked in 2%o carbendazim for 5 to 10 minutes, then are soaked in 125ppm of 2, 4-D for 12 hours and are subjected to water culture in nutrient solution (tap water is inappropriate) in a period from May to July (optimally a period from May to the beginning or the middle of June), the nutrient solution is prepared from sterile water, 0.005% of urea and 0.005% of KH<2>PO<4> are added into the sterile water, and the pH of the nutrient solution ranges from 6.0 to 7.0; the temperatures of greenhouses range from 25 DEG C to 30 DEG C under the control, and the tea shoots are cultured for 25 to 30 days.

The invention discloses a slash pine resin tapping method for total healing of a tapping face. The method comprises the following steps: opening a median gutter in the center or at one side of the tapping face during first tapping, wherein the length of the median gutter is about 20-25cm and the width is about 1.5-2cm; tapping in the same year, namely after the first tapping, tapping from top to bottom along a tree trunk in sequence at an interval of 4-6 days, and spraying an irritant agent once to the tapping face in a vaporific manner every 12 days till the end of the resin tapping period of the year; and performing subsequent tapping in the next year, namely tapping according to the tapping method of the past year. The method is characterized in that the cutting depth of the median gutter ensures that a cambium layer of the tree trunk cannot be cut wound, so that the cambium layer of the tree trunk can be reserved undamaged; the subsequent tapping in the next year is performed at a position 1-2cm below a side gutter of the tapping face formed in the past year to cut a new tapping face. The method has the advantages that a biological and chemical reagent is used for stimulating pines to ensure that the pines form and excrete more rosin, the rosin flowing time is prolonged, the yield of rosin is improved, and meanwhile the tapping face can be completely healed in 2-3 years.

The invention discloses a method for treating wounds of fruit trees. Hydrophilic or water absorbent material into which water-retaining agent is added serves as a carrier dressing, chemical liquid containing sterilization and wound healing promotion substances is added, the chemical liquid contains, by mass, 0.4% of ethylicin and a mixture of 200ppm of cytokinin beta-cyclodextrin inclusion compound and 70ppm of naphthylacetic acid beta-cyclodextrin inclusion compound, when the chemical liquid is used, a proper size of carrier dressing is cut out of the carrier dressing adsorbing the chemical liquid in a saturated mode to be applied to the surface of a wound, and then the wound is bounded and sealed with a plastic film. The method has the advantages that sterile proper-moisture environmental conditions capable of stimulating cells around the wounds to generate callus fast are provided for the wounds of the fruit trees, the callus will not root, and the wound healing rate is high; after the water-retaining agent is added, the carrier dressing loses water slowly, and long-term moisture preservation can be achieved in combination with replenishment of outside rainwater through fine and dense holes in the surfaces of the trees. The method for treating wounds of fruit trees is good in effect and high in wound healing rate, and the healing time can be shortened by 20 days compared with a conventional method under the same conditions.

The invention relates to a preparation method of a multiplex self-repair polyurethane blended material, and belongs to the technical field of polyurethane material crack repair. The preparation method comprises the following steps: dissolving polyurethane resin in solvent, then pouring into a reactor in which a monomer, initiator and solvent having a specific mole ratio have been proportionally added, and performing solution free-radical polymerization reaction in an inert gas protective atmosphere; and after reacting at 60-70 DEG C for some time, stopping the reaction, uniformly stirring and mixing, pouring the mixture into a polytetrafluoroethylene mold, transferring to an inert gas atmosphere, putting in a baking oven of 70 DEG C, and drying until the mass is unchanged to obtain a Poly(DMA)/PU blended film. The preparation method provided by the invention can compensate for a polyurethane blended material crack gap; the self-repair efficiency is high; and the self-repair method is diversified and simple.

The invention relates to a cosmetic composition for protecting and repairing damaged skin, an invisible mask and a preparation method of the invisible mask. The cosmetic composition for protecting and repairing the damaged skin comprises the following components: stem cell growth peptide, an olive leaf extract and a broccolini extract, wherein the weight ratio of the stem cell growth peptide to the olive leaf extract to the broccolini extract is (5*10<5>-15*10<5>):(0.5-3):(0.5-3). According to the invisible mask prepared from the cosmetic composition for protecting and repairing the damaged skin, epidermic or hypodermal cells can be synergistically prompted for proliferation and migration, metabolism of the skin is accelerated, wound healing is prompted and the damaged skin can be quickly repaired. According to the prepared invisible mask, the preparation method of the invisible mask for isolation and protection is simple and suitable for large-scale production; the mask prepared by adopting a freeze drying method does not affect an active ingredient, and zero burden of the skin can be really achieved.

The invention provides a rooting agent containing a celery extract. The rooting agent comprises the preparation raw materials: the celery extract, oxalamide, sodium bicarbonate, an olive leaf extract, an onion extract, polylactic acid resin, super barium oxide, iron oxide black, a scaphium scaphigerum powder, magnesium oxide, a parthenocissus tricuspidata extract liquid, and a talcum powder. The invention also provides a preparation method of the rooting agent containing the celery extract; the method includes a base material preparation step, wherein the base material preparation step comprises the steps: stirring and mixing the rooting agent raw materials of the parthenocissus tricuspidata extract liquid, oxalamide and the talcum powder for 22-25 min. The rooting agent prepared by the method can be used for cuttage planting of pachira macrocarpa cutting slips in saline and alkaline land, can increase the callus rate of the pachira macrocarpa cutting slips, and can reduce the rot rate of the pachira macrocarpa cutting slips.

The preparation method comprises the following steps: mixing a hydrogen bond acceptor, a hydrogen bond donor and a cross-linking agent, and then mixing and stirring at 70-100 DEG C until transparent and clear liquid is obtained, so as to obtain a deep eutectic solvent; sequentially adding an initiator and beta-cyclodextrin into the deep eutectic solvent at the temperature not lower than 35 DEG C, and uniformly stirring to form a mixture solution; transferring the formed mixture solution into a tubular reactor, heating the reactor by adopting a heat source to initiate a polymerization reaction, and then evacuating the heat source until the deep eutectic solvent liquid in the whole reactor is completely converted into polymer gel; soaking and washing the obtained polymer gel with distilled water, and then freeze-drying to obtain beta-cyclodextrin filled hydrogel; the density of hydrogen bonds in the hydrogel is increased by adding the filler, so that the maximum compressive strength of the hydrogel is increased while the healing rate and the healing speed of the hydrogel are increased.

The invention provides a culture medium for culturing mallotus oblongifolius callus. The culture medium is prepared from two hormone components, wherein the first hormone component is naphthylacetic acid, the content of the first hormone component is 0.1 to 0.5mg/L taking the culture medium as the standard, the second hormone component is prepared from kinetin and 2,4-D or 6-benzylaminopurine, and the content of the second hormone component is 0.5 to 1.5mg/L taking the culture medium as the standard. The invention further provides a mallotus oblongifolius callus culture method which comprises the steps of taking robust and sterile mallotus oblongifolius seedling hypocotyl, cutting into small sections and inoculating to the culture medium to perform induction culture. The culture medium which can effectively culture the mallotus oblongifolius callus is obtained through repeated explorations by the inventor of the application in order to overcome the defects in the prior art; when the culture medium is used for culturing the mallotus oblongifolius callus, the callus rate is high; thus, the blank of mallotus oblongifolius tissue culture is filled.

The invention belongs to the technical field of tea cultivation and particularly relates to a growth-promoting bacterial strain for promoting the rooting of cutting tea seedlings and a microbial seedling culturing substrate thereof. The growth-promoting bacterial strain is bacterial strain WYS-2 belonging to Rhodosporidium toruloides and preserved in CGMCC (China General Microbiological Culture Collection Center) with the culture preservation number of CGMCC NO.13524 on January 3rd 2017. Above 1*108cfu/g of colony-forming unit of the bacterial strain WYS-2 is contained in the microbial seedling culturing substrate. Alumite and the tea root growth-promoting bacterial strain WYS-2 are firstly obtained and the microbial seedling culturing substrate is prepared later. By means of the microbial seedling culturing substrate, the rooting time of cutting tea seedlings is obviously shortened; the callus rate and the rooting percentage of the cutting tea seedlings are obviously increased; the tea seedling culturing period is shorter; and the seedling culturing efficiency is higher.

The invention discloses an application of a periplaneta americana growth factor PDGF to preparation of damage repairing medicines. The periplaneta americana growth factor PDGF is obtained through thesteps of leading in escherichia coli for prokaryotic expression, and then performing identification and purification on expressed products. The purified PDGF is further used for a mechanical damage model mouse for repairing activity determination, and the result shows that the periplaneta americana PDGF has high repairing activity for mechanical damage of a mouse. The repairing activity of the periplaneta americana growth factor PDGF is researched, and a new thinking is provided for development of a novel damage repairing medicine.

The invention discloses a saccharomyces cerevisiae expressed long-acting recombinant fibronectin and an application of the long-acting recombinant fibronectin in cosmetics. The nucleotide sequence of the long-acting recombinant fibronectin is shown as Seq ID NO.1, and the long-acting recombinant fibronectin comprises a functional fragment of FN and HAS; the functional fragment of the FN comprises an FNIII1C unit; and the FNIII1C unit is a functional fragment at the C end of the first III-type FN repetitive unit in the FN. FNIII1C is a functional fragment at the C end of a first III type FN repetitive unit in natural human FN, and has the functions of resisting tumors, resisting metastasis and inhibiting angiogenesis. The protein can also enable FN in a living body to be subjected to super-polymerization, and the cell adhesion promoting and cell migration resisting capabilities of the FN are greatly enhanced. The fusion HAS effectively improves the stability of the recombinant protein. The long-acting recombinant fibronectin disclosed by the invention can be used for improving the adherence rate and convergence rate of cells, shortening the cell convergence time, enabling the morphological structure of the cells to be good, enhancing the metabolic rate and remarkably improving the protein synthesis speed, and has the effect of promoting cell repair.

The invention discloses a preparation for promoting grafting wound healing and particularly relates to grafting wound healing agent formed after a glucosinolate bactericide, zeatin and sucrose are diluted in a certain ratio. Firstly, the zeatin is dissolved in ethanol with the volume concentration being 95%, Tween 80 with the volume concentration being 98% is added, the mixture is uniformly mixed,and a solution I is prepared; the solution I is uniformly mixed with glucosinolate, then the sucrose is added, and the mixture is uniformly mixed and metered with water to be 1 L. The preparation canpromote grafting wound healing, increase the wound healing rate and shorten the healing time.

The invention aims to provide an iodophor disinfection paste being prepared from potassium iodate, citric acid, fatty alcohol, borneol, mint, ethanol, glycerol, polyethylene glycol, polyalkyloxygen (40) stearate, povidone iodine and purified water. The iodophor disinfection paste is suitable for disinfecting ruptured skin wounds such as burning, scale, bedsores and the like or polluted and infected wounds, and skin trauma and sport trauma and the like wounds. The iodophor disinfection paste can quickly kill purulent bacteria causing wound infection and bacteria and microorganism generated due to festers, thereby preventing and controlling infection. The disinfection paste has excellent formula so that the disinfection paste can improve discomfortableness on wound skin, has the effects of alleviating pain, preventing decay, regenerating tissue and moisturizing skin, and being free of scab. The iodophor disinfection paste can control infection, can promote growth of granulation tissues, can reduce healing time of the wound and can improve healing rate of the wound.

The invention discloses an external solution for a recombinant bovine basic fibroblast growth factor, and a preparation method of the external solution. According to the scheme disclosed by the invention, each 15ml of external solution comprises the following components: 40,000-80,000IU of recombinant bovine basic fibroblast growth factor, 1-5mg of human albumin, 250-350mg of mannitol, 20-25mg of dextran, 80-100mg of disodium hydrogen phosphate, 45-55mg of sodium dihydrogen phosphate and water injected to 15mL; and the pH value of the external solution is 7.0. The rb-bFGF external solution is optimal in compatibility of raw materials, good in stability and good in curative effect, and is capable of rapidly, lastingly and effectively promoting wound healing, improving the healing rate, lowering the scar rate and shortening the healing time.

The invention discloses a clavicular fracture closed reduction device, which comprises a bed board, an ejecting mechanism, a right lifting device, a right shoulder pressing plate, a right pressing block, a right pressing block regulating bolt, a right fixed rod, a pillow, a left shoulder pressing plate, a clavicle fixing threaded needle, a left pressing block regulating bolt, a left fixed rod, a left pressing block, a left lifting device and an ejecting mechanism regulating crank; the left fixed rod or the right fixed rod is located on a position of fracture, the clavicle fixing threaded needle is implanted in the outer side end of clavicular fracture, and the clavicle fixing threaded needle is pulled by virtue of a rope and the other end of the clavicle fixing threaded needle is connected to the right fixed rod or the left fixed rod, so that the position reduction of the fracture is regulated; and then, a fixation steel plate, an intramedullary needle or an external fixation frame is mounted for fixation through a minimally invasive percutaneous approach. Compared with the prior art, the closed reduction device disclosed by the invention can facilitate fixation of the clavicular fracture position of a patient and can rapidly and stably achieve reduction and fixation of the clavicular fracture; and the closed reduction device is light in operation wound, high in fracture healing rate, high in operation efficiency, low in patient pain and convenient to use, and the closed reduction device is worthy of popularizing and using.

The invention provides a rooting agent containing rice vinegar. The rooting agent is prepared from the following raw materials: rice vinegar, EDTA, ureaformaldehyde powder, 1.5 to 1.8 parts of clove oil, sa-hao seed gum, ginger extract, aloe extract, polylactic acid resin, potassium peroxide, manganese dioxide, hydromel, lignosulfonic acid, aluminum magnesium silicate and a basic material. The invention also provides a preparation method for the rooting agent containing rice vinegar. The method comprise a step of preparation of a binding agent. The binding agent is prepared by heating the hydromel to 60 to 62 DEG C, adding the sa-hao seed gum into the hydromel and carrying out uniform mixing under stirring. As the rooting agent prepared in the invention is used for planting grapes on saline land, the incidence rate of Sphaceloma ampelinum is greatly decreased, and the incidence rate of anthrachose is lowered.