71results about How to "Reduce the number of dressing changes" patented technology

The invention relates to washable negative pressure drainage dressing which comprises a sponge body, a drainage catheter and a washing catheter, wherein a double-cavity catheter is inserted in the sponge body, a plurality of through holes are evenly arranged on the wall of the double-cavity catheter inserted in the sponge body, and the outer end of the double-cavity catheter is connected with the drainage catheter and the washing catheter through a tee joint. A washing cavity channel and a drainage cavity channel are arranged in the double-cavity catheter. According to the washable negative pressure drainage dressing, the medical sponge body can be repeatedly washed in the treatment process, so that phenomena such as unsmooth drainage caused by drying and blocking of the sponge body in the wound negative pressure treating process are avoided. The washable negative pressure drainage dressing is reasonable in structure and convenient to operate and use, and reduces dressing change times and risk of clinical infection. In addition, the clinical operation is safe and convenient.

The invention provides a 3D-printing wound dressing material based on silk microsphere bio-ink and a preparation method thereof. The preparation method includes the following steps: transferring silkmicrosphere bio-ink, which includes silk protein microspheres coating aspirin, silk protein water solution, ultraviolet initiator and polyvinyl alcohol ester, into a syringe of a 3D-printing machine;with a cotton gauze as a base printing cloth, printing the surface of the cotton gauze with the silk microsphere bio-ink according to a periodically circulated cross-network structure model; and rapidly curing and shaping the 3D-printing wound dressing material under ultraviolet irradiation. The product is based on 3D-printing technology, wherein the formed cross-network structure contains regularly arranged silk microspheres, and the silk microsphere bio-ink coating layer cures on the surface of the cotton gauze and does not completely penetrate through the cotton gauze. The 3D-printing wounddressing material has good mechanical performance and biocompatibility and excellent slow-release performance, can protect a wound for a long time and can accelerate healing of the wounding.

The invention relates to a controlled-release antibacterial dressing and a preparation method thereof and particularly discloses a compound. The compound contains a dressing carrier and microspheres loaded to the dressing carrier. The invention further discloses a composition, a dressing as well as a preparation method and use of the dressing. According to the composition and the dressing, the pharmaceutical burst release phenomenon of a common antibacterial dressing can be effectively improved, and the growth and reproduction of germs such as escherichia coli, staphylococcus aureus, pseudomonas aeruginosa and Candida albicans can be steadily inhibited for a long time. The controlled-release antibacterial dressing provided by the invention is applicable to the treatment of operation cuts,wounds, burns, donor sites, pressure sores, diabetic ulcer and other wound surfaces.

The invention relates to a first-aid dressing used for traumatic wounds in a cold area and a preparation method of the dressing. The first-aid dressing comprises a medicinal film protective layer, a medicinal film layer, a heating layer, a back lining layer and a heating protective layer which are arranged in sequence; and the first-aid dressing can reach a heating temperature of 28 to 38 DEG C within 1-2 hours and can heat continuously for 4-6 hours. The first-aid dressing is prepared by the following steps: 1, preparing traditional Chinese extract and a matrix, and mixing to obtain a medicinal film plaster; 2, preparing heating material, bagging to obtain the heating layer; 3, preparing the heating protective layer and the back lining layer; and 4, preparing the first-aid dressing, packaging and disinfecting. The first-aid dressing can be used for pre-hospital first aid of a wounded person, can cover and protect the wound from further being infected, can enable the medicinal layer to reach a higher temperature through the internal heating material even in a cold area with a lower temperature, has a long time of curative effect, greatly reduces the dressing change frequency and shortens treatment cycle, facilitates disinfection and sterilization more, and alleviates the pains of the wounded person.

The invention relates to a pharmaceutical composition for treating burns and scalds and a preparation method thereof. The pharmaceutical composition for treating burns and scalds is prepared from the following raw materials in parts by weight: 20 parts of wild peony, 20 parts of coptis, 15 parts of giant knotweed, 8 parts of radix angelicae, 7 parts of saffron, 10 parts of gromwell, 10 parts of Mallotus apelta, 15 parts of honeysuckle flower, 25 parts of Baikal skullcap root, 20 parts of angelica, 12 parts of myrrh, 7 parts of dark plum, 5 parts of rhizoma atractylodis, 10 parts of nutgall, 10 parts of hyacinth bletilla, 12 parts of calamine, 3 parts of pseudo-ginseng, 10 parts of calcite, 8 parts of radix sileris, 25 parts of clove, 10 parts of frankincense and 10 parts of sanguisorba. The pharmaceutical composition provided by the invention has the advantages of low cost and obvious curative effect, does not leave scars after treatment, and has wide application prospects.

The invention belongs to the technical field of biomedical engineering, and particularly relates to a chitosan quaternary ammonium salt porcine acellular dermal matrix dressing material and a preparation method thereof. The preparation method of the chitosan quaternary ammonium salt porcine acellular dermal matrix dressing material specifically comprises the following steps: S1, preparing a chitosan quaternary ammonium salt; S2, processing a porcine acellular dermal matrix; and S3, preparing the chitosan quaternary ammonium salt porcine acellular dermal matrix dressing material. The chitosan quaternary ammonium salt porcine acellular dermal matrix dressing material disclosed by the invention completely reserves morphological structures and components of cells, has the characteristic of low antigenicity, and meanwhile can induce fiber-forming cells and vascular endothelial cells with regeneration capacity to grow therein.

The invention belongs to the field of medical materials and particularly relates to a functional wound surface repairing material and a preparation method thereof. The wound surface repairing material is prepared by compounding 7-14 parts of bioactive glass, 0.5-0.7 part of silver nitrate, 0.2-0.6 part of antibiotics, 15-25 parts of degradable polymer and 80-160 parts of deionized water. The functional wound surface repairing material is loaded with silver ions and antibiotics, wherein the silver ions and the antibiotics respectively have bactericidal performance, and the silver ions can enable the antibiotics to more easily enter bacteria to exert synergistic action by increasing the generation of oxygen free radicals and increasing the permeability of bacterial membranes, so that the functional wound surface repairing material has relatively strong antibacterial performance and can solve the problem that bacteria are easy to adhere to the existing wound surface repairing material to cause infection and then the curative effect is not ideal.

The invention relates to a medicinal chitosan dressing which comprises the constituents of (by weight parts) chitosan 5-10, polyvinyl alcohol 6-15, gelatin 5-10, glycerol 10-20, water 45-75, and the preparing process consists of swelling with water, dissolving through water-bath, mixing solutions homogenously, adjusting pH to 4-7, filtering and removing foams.

The invention provides a silica gel vacuum sealing drainage dressing, and belongs to the technical field of medical equipment. The silica gel vacuum sealing drainage dressing solves the technical problem that an existing silica gel vacuum sealing drainage dressing is poor in drainage effect. The silica gel vacuum sealing drainage dressing comprises a dressing body. A drainage structure which can discharge percolate under the effect of negative pressure is connected to the dressing body. The silica gel vacuum sealing drainage dressing is characterized in that the dressing body comprises a silica gel layer which can be attached to a human body, through holes are evenly distributed in the silica gel layer, a liquid storage and filter layer and an absorption structure are sequentially arranged on the silica gel layer, the liquid storage and filter layer has the storage and filter functions, and the absorption structure has the percolate absorption function. The silica gel vacuum sealing drainage dressing can be used for processing a small amount of percolate at a postoperative incision, the drainage effect is good, wounds can be prevented from bleeding, and the silica gel vacuum sealing drainage dressing has the advantages of accelerating wound healing, decreasing the number of dressing change times and saving resources.

The invention relates to the field of medical materials, in particular to a preparation method of a functional dressing product. A functional dressing is made of a positive ion macromolecular polymer, a negative ion macromolecular polymer and an auxiliary material. The positive ion macromolecular polymer accounts for 2% to 6% by weight, the negative ion macromolecular polymer accounts for 2% to 6% by weight, the auxiliary material is made of polyhydric alcohol, biological active matter, organic acid and water, the polyhydric alcohol accounts for 2.8% to 10% by weight, the biological active matter accounts for 0.2% to 2% by weight, the organic acid accounts for 0.5% to 3% by weight, and the water accounts for 4% to 92% by weight. By the adoption of the functional dressing, various physical performance requirements of a wound for the dressing are met, the anti-bacterial effect, the inflammation diminishing effect and the healing promoting effect are further achieved, and the functional dressing can be used for the surgical wound and ulceration face healing, sinus wound instillation, burn and scald wound surface nursing and the like.

The invention discloses a heparin derivative-poloxamer temperature sensitive hydrogel and a preparation method thereof. The poloxamer is used as a framework material, and N-Acetylated low molecular weight heparin and prednisone are compounded to obtain the hydrogel. The mass ratio of the N-Acetylated low molecular weight heparin to the poloxamer is 15-90:100-300. The preparation method comprises the following steps that step 1, the N-Acetylated low molecular weight heparin is weighed and placed in a serum bottle, and a PBS buffer solution is added; step 2, a prednisone drug PBS buffer solutionwith mass concentration of 5% is added, stirring at the room temperature is conducted and lasts for 12-36 hours; and step3, the poloxamer is weighed, and the solution in the step 2 is added, solutionstirring is conducted at 4-10 DEG C and last for 12-36 hours. The heparin derivative-poloxamer temperature sensitive hydrogel has the excellent effect, is long in antibacterial time, and has simple procedures; and industrialization can be achieved easily, and popularization and application are facilitated.

The present invention relates to a kind of compound artificial skin with two kinds of cells implanted on its two sides and its construction process. On two sides of rack of ox collagen membrane with epidermal growth factor, fibroblast and epidermal cell are implanted, and the middle part is growing fibroblast of density grater than 1E6 / sq cm. The artificial skin has excellent physical characteristics, high strength, high flexibility, high infection resistance, no antigenicity, convenient operation transplantation and good fusion with peripheral skin after transplantation.

The invention belongs to the field of medical treatment and particularly relates to a multifunctional physical therapy device for the traditional Chinese medicine internal medicine department. The multifunctional physical therapy device comprises a device shell, outer ventilation ports, inner ventilation holes, a sealing ring, a moving medicine delivery disc, inner ventilation ports, massage probes, rolling medicine delivery beads, heat preservation heating blocks, liquid medicine boxes, medicine delivery pipes, separation rings and medicine filling components. When the multifunctional physical therapy device is used, the rolling medicine delivery beads are used to massage an affected part to rise the temperature of the affected part so as to relax pores, the rolling medicine delivery beads constantly injects liquid medicine, excessively fast medicine delivery causing the swelling of the affected part can be prevented by the coordination of the rolling medicine delivery beads and protruding blocks, and user experience can be prevented from being affected.

The invention discloses a medical dressing for treating a large area wound and a manufacturing method thereof. The medical dressing is composed of from top to bottom: an isolation paper, a sodium alginate hydrogel, a non-woven fabric, a medical glue layer and a base cloth; or from top to bottom, an isolation paper, an alginate hydrogel, a medical glue layer and a base cloth. The sodium alginate hydrogel is a hydrogel mixed by 100 percent pure sodium alginate crystals and water. The alginate hydrogel is a hydrogel, which assumes a transparent gel shape formed by immersing a 100 percent pure calcium alginate non-woven fabric to a sodium alginate solution, automatically converts between a solid state and a liquid state based on changes of using state. The novelty of the invention lies in combining a material which promotes curing of the wound and a material which is secured to body surface. The medical dressing of the invention has the advantages of outside water resistance, extra-long adhering time, and simple operation and usage. The medical dressing of the invention faces towards the wound in humid environment, which promotes healing. The medical dressing can also reduce burning pain caused by the large area wound, prevent infection and wound adhesion, block bacteria from entering, and reduce times for changing medicine.

The invention relates to a multilayered hydrophilic wound dressing for superficial wounds, which is a hydrophilic adhesive film layer formed by applying a composite coating made of medical-grade animal glues, medical-grade plant gums, hemostatic ingredients, bactericide diluent and plant fiber additives on a dressing material contacting a wound contact surface. The outer layer of the wound dressing is a dressing forming film layer for preventing the shrinkage of the wound dressing, the dressing forming film layer can be removed during application, and the wound dressing is uniformly perforated to drain excessive exudates or blood. The inventive wound dressing has improved adhesiveness and can well control the superficial wound infection.

The invention relates to a medicine composition for clinical care of burns and a preparation method thereof. The medicine composition is formed by the following raw materials by weight: 25 parts of mimosa pudica, 12 parts of lithospermum, 10 parts of polygonum cuspidatum, 10 parts of radix angelicae, 6 parts of gardenia, 35 parts of coptis chinensis, 30 parts of syzygium aromaticum, 15 parts of honeysuckle, 30 parts of scutellaria baicalensis, 30 parts of angelica sinensis, 12 parts of myrrh, 6 parts of rhizoma atractylodis, 10 parts of garden burnet, 12 parts of gallnut, 10 parts of pearl, 6parts of smoked plum, 10 parts of calamine, 2 parts of pseudo-ginseng, 8 parts of gypsum rubrum, 5 parts of divaricate saposhnikovia roots, 10 parts of white backleaf mallotus roots, 6 parts of radixampelopsis, 8 parts of frankincense and 10 parts of dragon's blood. The medicine composition for the clinical care of burns has low cost and remarkable curative effect, leaves no scars after curing and has broad application prospects.

The invention relates to a traditional Chinese medicinal composition for treating burns and scalds and a preparation method thereof. The composition is characterized in that the composition is prepared from the following raw material components, by weight, 1-90 parts of gypsum, 26-100 parts of stalactite, 1-100 parts of Boswellia carteri, 31-70 parts of myrrh, 27-90 parts of Rheum officinale and 30-100 parts of catechu or Radix Sanguisorbae. The preparation method comprises the following steps: 1, cleaning the raw material components according to above weight parts; 2, respectively grinding them into powders after air drying; 3, mixing the powders; 4, adding sesame oil having a weight 1-100 times of raw material components to the obtained powdery product; and 5, stirring to obtain a pastyproduct. According to the traditional Chinese medicinal composition, the cure period to the burns and the scalds is short, first degree burns or scalds can be healed after 3-5 days, second degree burns or scalds can be healed after 6-7 days, and third degree burns or scalds can be healed after about half a month. The composition is replaced by a patient 1-2 times each day, so convenience is provided for the patient. In addition, the cure rate of the composition reaches 100%.

The invention relates to an antibacterial heal-promoting gel material used for preparing medical wound dressing and a preparation method thereof. The antibacterial heal-promoting gel material used for preparing the medical wound dressing is characterized in that the antibacterial heal-promoting gel material comprises natural gel agents, chitosan, bioactive materials, soluble silver salt and organic acids, water is added into the ingredients, the water content accounts for 5 to 20 times of the weight sum of the natural gel agents and the chitosan, and then, the antibacterial heal-promoting gelmaterial of any forms can be obtained through cross-linked curing and aftertreatment. The antibacterial heal-promoting gel material is metered according to dry basis, and is prepared form the following ingredients in percentage by weight:57 to 90.9 percent of natural gel agents, 5 to 25 percent of bioactive materials, 2 to 8 percent of chitosan, 0.1 to 2 of soluble silver salt and 2 to 8 percent of organic acids. The antibacterial heal-promoting gel material has good biocompatibility, good antibiotic property, strong tissue regeneration promoting capacity and various forms, and can be easily and conveniently prepared into the medical wound dressing.

The invention relates to a drug loaded amnion sheet and a preparation method and applications thereof. Specifically, the drug loaded amnion sheet comprises a dry amnion and following components, which are loaded on the dry amnion and substrate membrane surface of amnion, in parts by weight: 5 to 30 parts of bletilla striata, 10 to 30 parts of calcined gypsum, 3 to 25 parts of frankincense, 3 to 25 parts of myrrh, 10 to 30 parts of rhizoma atractylodis, 0.5 to 5 parts of artificial musk, 1 to 15 parts of borneol, and 2 to 30 parts of safflower. The invention also discloses a preparation method of the drug loaded amnion sheet and an application of the drug loaded amnion sheet in the preparation of a medical material for treating skin ulcer diseases. The rapid release and slow release functions of the drug loaded amnion sheet are combined, and the drug loaded amnion sheet can sustain an effective drug concentration in the local environment of wounds.

The invention discloses an anus lotion, which is prepared from the following raw materials by weight: 25-35g of radix sophorae flavescentis, 15-25g of cortex phellodendri, 10-20g of radix aconiti preparata, 10-20g of prepared kusnezoff monkshood root, 15-25g of radix angelicae, 25-35g of stephania terandra, 25-35g of dittany bark, 8-12g of dried alum, 12-18g of rheum officinale and 15-25g of gallnut in a manner of decocting after adding water. The anus lotion has the beneficial effects that the anus lotion has the main characteristics of convenience for use and wide pharmacological action, and simultaneously can treat anus diseases with a plurality of concurrent symptoms such as bleeding, pain, pruritus, secretion increase and the like. Clinical application finds that most of haemorrhoids can retract and dissipate as to internal hemorrhoids, inflammatory external hemorrhoids, external hemorrhoids and mixed hemorrhoids at each stage after a patient takes the anus lotion for 5-7 days. Anal eczema can scab and heal after the anus lotion is used for 1-2 weeks while the symptoms are obviously relieved after the patients with anus itching, condyloma acuminata and anal fissure take the anus lotion. Especially for the patient with an anus operation, the anus lotion can relieve swelling and pain, also can purify the wound, reduces the frequency of dressing change, and obviously shortens the wound healing time.

The invention discloses a portable negative pressure suction device for wound management for department of burn and plastic surgery, which comprises a 3M medical patch, a negative pressure suction apparatus, a medicine storage bag and a collecting bottle. A first sponge for covering the surface of a wound is disposed on the lower end face of the 3M medical patch; a fluid discharge tube is disposed in the first sponge, and a plurality of fluid discharge holes are formed in the fluid discharge tube. The fluid discharge tube is led out of the 3M medical patch by means of a conduit and then connected to the medicine storage bag. A second sponge is disposed at the periphery of the first sponge, and a drainage tube is disposed in the second sponge. A plurality of drainage holes are formed in the drainage tube. The drainage tube is led out of the 3M medical patch by means of a conduit and then connected to a check valve, the outlet of the check valve is connected with the liquid inlet of the collecting bottle, and the air inlet of the negative pressure suction apparatus is connected with the liquid inlet of the collecting bottle by a conduit. The first sponge is thicker than the second sponge. Compared with the prior art, the portable negative pressure suction device for wound management for department of burn and plastic surgery is capable of promoting healing of the surface of a wound, and is small in size and convenient to carry, low in cost, and convenient to popularize and use.

The invention discloses a disposable thoracic drainage tube fixing device. The shape of the fixing device is similar to a trumpet, and the fixing device comprises a patch (1) at the bottom and a fixing tube (2) located at the center of the patch; one side of the patch and the fixing tube is provided with a gap (3) penetrating through the patch and the fixing tube; the bottom face of the patch and the inner hole face of the fixing tube are each provided with an adhesive (4), and the surface of each adhesive is provided with a protecting film (5). According to the disposable thoracic drainage tube fixing device, a traditional fixing mode achieved through adhesive tape and gauze is changed, and the bad consequences that due to the fact that a thoracic drainage tube is folded in the turning and moving process of a patient or in the nursing turning process or a v-shaped skin hillock is formed due to pulling on the drainage tube, the drainage tube exits from the thoracic cavity to be located under the skin and even partially or completely falls off can be avoided; the patient who has no operation condition and needs to carry the closed thoracic drainage tube for a long term is more comfortable. The disposable thoracic drainage tube fixing device is simple in structure, convenient to install, capable of greatly improving the working efficiency of workers and decreasing the dressing change frequency, low in cost and capable of relieving the economical burden of the patient.

The invention discloses conductive polypyrrole / traditional Chinese medicine composite hydrogel, a preparation method and application thereof. According to the method, polypyrrole hydrogel is used as amain body structure, and traditional Chinese medicine molecules are used as a doping agent to be doped into a hydrogel network, so that the antibacterial hemostatic skin dressing with the wound healing promoting function is prepared. According to the invention, the preparation method is simple, the cost is low, and the reaction conditions are easy to control; and the obtained composite hydrogel is good in biocompatibility, has a certain antibacterial effect and a certain effect of promoting cell proliferation and adhesion, and is a very good skin dressing material.

The invention relates to a skin wound treating system used for debridement and drug administration and oxygen supply. The skin wound treating system comprises an adsorbent, a liquid collection device, a drainage pipeline, an infusion bag, a flushing pipeline, an oxygen supply device and an oxygen delivery pipeline, the adsorbent is used for covering a wound, the liquid collection device is used for generating negative pressure and collecting liquid, the drainage pipeline connects the adsorbent with the liquid collection device, the flushing pipeline connects the adsorbent with the infusion bag, the infusion bag is higher than the adsorbent in the vertical direction, the oxygen supply device is used for generating oxygen, the oxygen delivery pipeline connects the adsorbent with the oxygen supply device, and the drainage pipeline, the flushing pipeline and the oxygen delivery pipeline are arranged separately. The skin wound treating system realizes combining of traditional Chinese medicine (compound Huangbai liquid) flushing treatment and physical treatment, plays a role in protecting the surface of the wound, preventing infection and promoting healing of the surface of the wound, and is convenient to use, number of dressing times is reduced, treatment time is shortened, and pain of patients and burden of medical staff are reduced.

The invention relates to a protection product for preventing and treating electric employee electric burn and fire burn. The protection product is prepared from common andrographis herb, Corydalis bungeana Turcz., sappan wood, safflower, bletilla striata, arnebia root, garden burnet, white peony root, frankincense, dragon's blood, cortex lycii radicis, aloe, arctium fruit, radix ophiopogonis, spatholobus stem, rhizoma corydalis, radix angelicae sinensis, ligusticum wallichii, coptis root, herba schizonepetae, cordate houttuynia, radix astragali, divaricate saposhnikovia root, dandelion and honeysuckle flower. Active ingredients of the above traditional Chinese medicines are extracted, the extract and sesame oil are mixed and processed to form paste and the paste is spread on gauze. The protection product has substantial effects on electric burn and fire burn and has a wide application prospect.

The invention belongs to the technical field of pharmaceutical preparations, and particularly discloses a sulfadiazine silver thermo-sensitive hydrogel and a preparation method thereof. The hydrogel includes sulfadiazine silver, gelatin, a thermo-sensitive gel matrix, emodin, chitosan, collagen, a temperature regulator, and a humectant. The sulfadiazine silver is micronized to enlarge the surfacearea of particles so as to enhance the antibacterial effect. The method uses the sulfadiazine silver and the emodin as main drugs, the gelatin as a carrier, then uses the thermo-sensitive gel matrix,the temperature regulator, the chitosan and the collagen to prepare a thermo-sensitive hydrogel substrate, and finally encapsulates the sulfadiazine silver and the emodin in the hydrogel substrate soas to form the new sulfadiazine silver thermo-sensitive hydrogel. The hydrogel is an aqueous gel preparation which can be applied to burn and scald wound infection, and has good antibacterial effect,high efficiency and low toxicity, and high compliance for patients.

The invention relates to an ointment for burns and scalds, made from the medicinal materials: Rhizoma Polygoni Cuspidati, Radix Arnebiae seu Lithospermi, Poria, Stigma Croci Sattvi, Galla Chinensis, Radix Glycyrrhizae, Herba Violae, Fructus Forsythiae, Herba Patriniae, Herba Houttuyniae, Herba Scutellariae Barbatae, Herba Taraxaci, Herba Hedyotis Diffusae, Pseudobulbus Cremastrae seu Pleiones, Rhizoma Paridis, Cacumen Platycladi, Fructus Gardeniae, Radix Angelicae Dahuricae, Cortex Phellodendri, Herba Artemisiae Anomalae, Rhizoma Bletillae, Folium Artemisiae Argyi, Cortex Moutan Radicis, Radix Paeoniae Rubra, Rhizoma Rehmanniae Preparata, Radix Notoginseng, Rhizoma Atractylodis Macrocephalae, Flos Carthami, Rhizoma Chuanxiong, Semen Vaccariae, Herba Lycopodii, and Fructus Tribuli. The ointment is prepared by pulverizing and screening effective medicinal ingredients. The ointment is effective in clearing heat and drying dampness, subsiding swelling and relieving pain, and activating blood and dredging channels, has significant effect for treating burns and scalds and has a promising application prospect.

The invention discloses a COVID-19 rehabilitation conditioning traditional Chinese medicine preparation. The traditional Chinese medicine preparation is prepared from the following raw materials in parts by weight of 5 to 18 parts of cassia twig, 6 to 28 parts of rhizoma pinelliae, 2 to 32 parts of pericarpium citri reticulatae, 3 to 25 parts of rhizoma acori graminei, 4 to 30 parts of radix aconiti carmichaeli, 7 to 30 parts of poria cocos, 8 to 28 parts of rhizoma atractylodis macrocephalae, 4 to 22 parts of herba houttuyniae, 5 to 18 parts of rhizoma atractylodis, 3 to 36 parts of cortex magnoliae officinalis, 1 to 9 parts of rhizoma zingiberis recens, 6 to 30 parts of radix paeoniae alba, 1 to 9 parts of fructus ziziphi jujubae and 20 to 60 parts of maltose. According to the COVID-19 rehabilitation conditioning traditional Chinese medicine preparation and the preparation method thereof, the traditional Chinese medicine preparation can assist a COVID-19 patient to recover more easily after treatment, and is convenient to use and remarkable in effect.

The invention provides a preparation method of a medical dressing, which includes preparation of secreted PLGA sustained-release microspheres, preparation of a hydrogel, preparation of an electrospunmembrane, and preparation of a stem cell secretion medical dressing. In the invention, a combination of sub-totipotent stem cell secretin, PLGA sustained-release microspheres and hyaluronic acid hydrogel is used, and the electrospun membrane is used as a carrier to prepare the medical dressing, the sub-totipotent stem cell secretion is rich in various active factors, and has a good repair effect on wounds; Experiments show that the medical dressing prepared by the invention has a good healing effect on both acute and chronic wounds. The medical dressing can adhere to the wound well, and the sub-totipotent stem cell secretin in the PLGA sustained-release microspheres is slowly released, which greatly improves the utilization rate of the secretion and the durability, the PLGA slow-release microspheres contain a larger amount of subtotipotent stem cell secretions, which reduces the number of dressing changes, avoids secondary trauma during the dressing change, and facilitates wound repair.