42 results about "Absorbent cotton gauze" patented technology

The invention discloses absorbent cotton gauze containing nanometer silver and chitosan, a preparation device as well as a method thereof, belonging to the technical field of medical dressing biological material preparation. The absorbent cotton gauze contains cation polysaccharide having excellent antibiosis and nanometer silver, wherein the chitosan is combined with the medical absorbent cottongauze by using the method of soaking and freeze drying, and the nanometer silver is absorbed on the gauze under the mutual action between nanometer silver grain and chitosan amino. The absorbent cotton gauze containing nanometer silver and chitosan provided by the invention has excellent air permeability and mechanical property, has lasting and efficient sterilization effect, can be conveniently used due to the excellent mechanical property, and is beneficial to the wound recovering.

The invention discloses a protective facial mask containing nano silver and chitosan and a production method of the protective facial mask. The protective facial mask provided by the invention is composed of five gauze layers, wherein two of the five gauze layers are functional absorbent cotton gauzes containing the nano silver and the chitosan. The protective facial mask has the functions of antibiosis, eliminating unusual smell and absorbing dust, and can effectively prevent pathogenic bacteria or virus from invading into a human body through the oral cavity and the nasal cavity so as to prevent communicable diseases; and the protective facial mask is excellent in air permeability. The production method of the protective facial mask is simple, wide in material source and suitable for industrialized production.

The invention discloses a high-sensitivity large-strain flexible strain sensor and a preparation method thereof. The method comprises: firstly preparing acidified multi-walled carbon nanotubes, and then ultrasonically preparing acidified multi-walled carbon nanotube/graphene oxide suspension, then taking absorbent cotton gauze as a template, tightly covering the absorbent cotton gauze with acidified multi-walled carbon nanotube/graphene oxide by using a vacuum extraction process, and preparing by using a gradient temperature variation technology to obtain a multi-walled carbon nanotube/graphene/carbonized absorbent cotton gauze three-dimensional hybrid net-like material, and finally compounding and curing with an elastomer emulsion to obtain the high-sensitivity large-strain flexible strain sensor. According to the high-sensitivity and large-strain flexible strain sensor disclosed by the invention, the conditions of the preparation method are mild, the cost is low, the repeatability ishigh, and the strain sensor has excellent deformation capability, is high in sensitivity and wide in strain range, and is used for wearable electronic equipment.

The invention discloses a mouth mask with a filtering insertion piece and a preparation method for the zinc oxide quantum dot insertion piece, and relates to the technical field of dust prevention. The mouth mask is provided with ear hanging belts; an active carbon fiber layer insertion piece adopting a three-layer structure and the zinc oxide quantum dot insertion piece are arranged between inner and outer layers of a mouth mask body; and the zinc oxide quantum dot insertion piece is an absorbent cotton gauze insertion piece with water-soluble zinc oxide quantum dots. The preparation method comprises the steps of preparing a zinc acetate solution; preparing a potassium hydroxide ethanol solution; preparing the zinc oxide quantum dots; preparing the insertion piece of the mouth mask; and performing reloading. The zinc oxide quantum dot insertion piece is simple and convenient in preparation method, is high in integration and recyclable, and has good haze protection and healthcare effects; and the filtration of the mouth mask for toxic gases such as sulfur dioxide, nitric oxide and the like is realized without use of a noble metal catalyst. The mouth mask has a certain antibacterial performance, and the inner and outer layers can be repeatedly washed and repeatedly used.

The invention belongs to the technical field of medical devices, in particular to a superabsorbent medical absorbent cotton gauze and a preparation method thereof. The highly water-absorbing medical absorbent cotton gauze of the present invention is formed by blending seaweed fibers and cotton fibers. The seaweed fibers have good softness, high comfort in use, good antibacterial effect, high hygroscopicity and gelation, and good overall ease of removal. , high oxygen permeability, excellent biocompatibility, and excellent biodegradation and absorption; after the seaweed fiber contacts with wound exudate or blood, it can exchange Na+/Ca2+ ions with the exudate, release Ca2+, and accelerate the coagulation process. Form a layer of stable mesh gel on the surface of the wound, create a microenvironment (slightly acidic, anaerobic or hypoxic, and moderately humid) for the wound that is conducive to tissue growth, and then promote wound healing; the preparation method is simple in process and mild in condition , low production cost, no pollution to the environment, and environmentally friendly.

The invention provides antibacterial medical hemostasis absorbent cotton gauze, which consists of medicine dressing and a tissue material carrying the medicine dressing, wherein the medicine dressingis prepared from traditional Chinese medicine and western medicine; the tissue material carrying the medicine dressing is blended by scleroprotein fiber and cotton fiber. The hemostasis and the antibacterial effects are integrated; the obvious effects are achieved on abnormal bleeding in operations of lung, liver, pancreas, adrenal gland and the like, the bleeding except for obstetrics departmentand postpartum hemorrhage, urinary tract bleeding and the like; in addition, the antibacterial medical hemostasis absorbent cotton gauze can be used under the conditions of great and deep wound and great bleeding quantity; the hemostasis is fast; the wound surface wound recovery is facilitated; meanwhile, the antibacterial spectrum is wide; the sterilization power is strong; the action is fast; the effectiveness can also be achieved on pseudomonas aeruginosa, klebsiella, escherichia coli, enterobacter, staphylococcus, mycoplasma and chlamydia; in addition, good effects are achieved on trimethoprim drug resistant bacteria, penicillin drug resistant staphylococcus aureus andtylosin or tiamulin drug resistant mycoplasma.

The invention relates to the technical field of processing of absorbent cotton and discloses absorbent cotton gauze to promote wound healing. The absorbent cotton gauze is made with 37-39 parts of cotton fiber, 11-13 parts of algal carbon fiber, 7-9 parts of chitosan fiber, and 5-7 parts of titanium dioxide suspension. The absorbent cotton gauze has an antibacterial rate of up to 92.1%, can avoidwound infections, promote blood circulation and quicken wound healing, enables wound healing time to be shortened by 20-25%, and allows therapeutic pain in a patient to be evidently relieved. Cotton fiber is soaked to quickly soften the surface fat and colloidal component of the cotton fiber, thereby facilitating late treatment and improving cotton fiber smoothness; an enzyme complex is added to carry out high temperature ultrasound treatment, lipase and pectinase are added to the enzyme complex, the surface fat and colloidal component of the cotton fiber are removed in mute state, and cottonfiber damage and environmental damage due to the use of traditional defatting methods using strong acids and alkalis are avoided; the absorbent cotton gauze is green; cotton fiber strength is improved.

The invention relates to the technical field of research and development of medical bandages and discloses a non-adherent antibacterial medical bandage. A non-adherent material and an antibacterial agent are added to absorbent cotton gauze, the prepared non-adherent material has very high adsorption performance on the bandage and cannot fall off, and the used antibacterial agent is prepared from natural components, has good antibacterial and bacteriostasis effects and cannot cause infection after healing. The bondage is endowed with the non-adherent property, can be easily removed from wound surfaces during usage and can effectively inhibit adhesion of hemoglobin and blood clots, thus, the prepared non-adherent antibacterial medical bandage has unique advantages in non-adhesion, biocompatibility, antibacterial property, mechanical strength, convenience in use and the like and has broad application prospects in the biomedical field.

The invention discloses a preparation process of a dissolvable hemostatic gauze, which takes absorbent cotton gauze as the main raw material, and processes the raw material by sodium hydroxide solution, chloroacetic acid solution, ethanol solution and the like to prepare the dissolvable hemostatic gauze which has good dissolubility, can be absorbed by human body without toxic and side effect, does not pollute environment and has good and rapid hemostasis effect. The dissolvable hemostatic gauze has good hemostasis effect on traumatism, cortex bleeding, bleeding caused by muscle strain and postoperative bleeding of brain and ambition surgery, particularly has good hemostasis effect on the bleeding caused by less blood cells and cruor dysfunction of a patient.

The invention discloses lysozyme-modified medical gauze. A preparation method of the lysozyme-modified medical gauze comprises soaking absorbent cotton gauze in a mixed solution of a lysozyme aqueoussolution and tris(2-carboxyethyl)phosphine hydrochloride aqueous solution in a volume ratio of 1: 1 at the room temperature, then taking out the gauze, immersing and cleaning the gauze through deionized water and drying the gauze to obtain the lysozyme-modified medical gauze. The lysozyme-modified medical gauze has the characteristics that (1) there is no difference in water absorption and water vapor transmission performance of the gauze before and after modification, (2) compared with the unmodified gauze, the lysozyme-modified medical gauze treated by a vitamin C aqueous solution before replacement is easy to take off from the wound so that the secondary damage to the wound during the replacement process is avoided and the pain of the patient is reduced, (3) compared with the unmodifiedgauze, the lysozyme-modified medical gauze has bactericidal and anti-infection effects and can accelerate wound healing, and (4) the preparation method is simple and gentle, realizes a low cost and is suitable for large-scale production.

The invention relates to a method for producing a high-water absorbing medical gauze, which belongs to the technical field of preparation of medical article. According to the invention, medical absorbent cotton gauze is modified to obtain the modified cotton gauze, the dried jellyfish fragments and acetate acid gracial are mixed, and a mixture is processed under water-bath condition, the mixture is separated, and is subjected to freeze drying to obtain jellyfish collagen, then the jellyfish collagen is mixed with an oxidation solution prepared by mixing acetate acid gracial and hydrogen peroxide to obtain the water absorbing collagen powder, the water absorbing protein powder and ethyl acetate are mixed to obtain protein dispersion liquid, finally, the modified cotton gauze is placed in the protein dispersion liquid, and the product is obtained through rotary evaporation. The high-water absorbing medical gauze has excellent water absorbing performance, the water absorption can reach more than 395%, the high-water absorbing medical gauze provides wet environment for wound and cannot generate secondary adhesion on the wound; the mechanical properties are excellent, the breaking strength reaches more than 190.2N, the breaking elongation can reach more than 35.6%, and the high-water absorbing medical gauze has good application prospect in the field of medical dressing.

The invention relates to the technical field of medical appliance article preparation, and discloses antibacterial hemostatic gauze and a preparation method thereof. The antibacterial hemostatic gauze is obtained through preparing quaternary ammonium salt monomers and performing radiation grafting on medical absorbent cotton gauze. The antibacterial hemostatic gauze has the hemostatic function and has excellent hemostatic performance; the effects of fast stopping bleeding and diminishing inflammation can be achieved without adding any medicine. The antibacterial hemostatic gauze provided by the invention achieves the antibacterial goal by contact type antibacterial operation instead of antibacterial agent releasing.

The invention provides a small leguminous plant hydroponics device which comprises a supporting device, a floating device and a ventilation device. The supporting device comprises a hydroponics box and a rectangular support, the rectangular support is fixed above the hydroponics box, the floating device comprises a rectangular plastic support, the rectangular plastic support is connected with therectangular support through a connecting rope and positioned on the water surface in the hydroponics box, detachably adjustable absorbent cotton gauzes are fixed on the top surface and the bottom surface of the rectangular plastic support, the absorbent cotton gauze is divided into a plurality of square areas by foam tapes, the ventilation device comprises an air pump and a ventilation pipe, and the air pump is communicated with the hydroponics box through the ventilation pipe. According to the device, the rectangular plastic support is placed on the water surface in the hydroponics box, two absorbent cotton gauzes are divided into a certain distance by the rectangular plastic support, so that plant roots are fixed, lodging of plants is prevented, the absorbent cotton gauzes are detachableand adjustable and has elasticity, gaps between the absorbent cotton gauzes can be expanded, and adjustable space can be provided for growth of the plant roots.

The invention discloses a capsule for protecting an umbilical cord of a neonate. The capsule is prepared by packaging medicinal powder through absorbent cotton gauze and sewing the gauze, and is characterized by comprising the following medicinal powder components in percentage by weight: 30 to 60 percent of folium artemisiae argyi carbon fine powder, 5 to 40 percent of phellodendron fine powder,0 to 40 percent of atractylodes rhizome fine powder and 5 to 25 percent of calamine fine powder, wherein the medicinal powder is packaged by double-layer absorbent cotton gauze, and the peripheral ofthe gauze is sewed by threads to form an umbilical gauze capsule. The invention has the advantages that: the capsule has the effects of dampness elimination, heat clearance and detoxification; the umbilical cord can be dried to fall within a short time when the umbilical gauze capsule is covered on the navel of the neonate after the umbilical cord cutting treatment of the neonate, so that the comfort degree of the neonate is improved; simultaneously, the average hospitalization time of a parturient and the neonate can be shortened, and the medical cost of a patient can be reduced. The capsuleis suitable for various hospitals with obstetrics and gynecology departments and is particularly suitable for country primary hospitals with worse conditions.

The invention relates to the technical field of biological wet tissues, in particular to a biological bactericidal and antiviral composition, a sanitary wet tissue and application of the sanitary wet tissue. The invention discloses a biological sterilization and antiviral composition taking a natural preservative epsilon-polylysine as a main active component. The biological sterilization and antiviral composition can be used for producing biological sterilization and antiviral sanitary wet tissues taking non-woven fabrics or biological cellulose materials or absorbent cotton gauze as carriers. The biological sterilization and antiviral sanitary wet tissue can effectively kill different microorganisms such as gram-positive bacteria, gram-negative bacteria, saccharomycetes, molds and viruses, and has the characteristics of strong sterilization and antiviral activity, wide antibacterial spectrum, good thermal stability, high safety and no irritation to skin; the disinfectant is especially suitable for cleaning and disinfecting oral cavities, skin, surfaces of toys and medical instruments of sensitive people such as infants, old people and women and special places such as armies and hospitals.

The present invention provides one kind of aerodynamic impedance measuring instrument, and relates to instrument for aerodynamic impedance measurement. The aerodynamic impedance is calculated based on the temperature and evaporation amount measured in the fully moistened surface inside evaporating dish and the temperature and humidity of the air measured over the evaporating surface. The instrument includes weighing gauge, temperature sensor, wet and dry bulb temperature sensor, data acquirer and evaporating dish filled with hydroscopic material, covered with one layer of fully humidified absorbent cotton gauze and guarded with windproof hood. The present invention is used in ground-atmosphere exchange, ground surface flux inversion and other research fields.

The invention discloses a gynecological pill and a preparation method thereof. The gynecological pill is prepared from radix sophorae flavescentis, cortex phellodendri chinensis, rhizoma coptidis, fructus cnidii, fructus forsythiae, herba taraxaci, radix gentianae, catechu, olibanum, myrrha, borneol and sangusis draconis. Formula bulk drugs are porphyrized and disintegrated, and are mixed; afterwards, an appropriate amount of purified water is added into an obtained first mixture; an obtained second mixture is sufficiently mixed and is made into a soft material; a 14-mesh sieve is selected and used for granulation; granules are dried; the granules which are uniform in size are selected and taken, and are put into a coating pan; afterwards, the coating pan is rotated; a small amount of water is sprayed into the coating pan; a small amount of medicinal powder is added into the coating pan; coated pills in required size are made once through repeated operation; subsequently, the coated pills are subjected to low-temperature drying and are selected, so as to obtain the pills. A formula comprising pure natural traditional Chinese medicinal materials is adopted for the gynecological pill; the gynecological pill has the functions of clearing away heat and toxic material, eliminating dampness, killing parasites to relieve itching, activating blood circulation, easing pain, stopping bleeding and promoting tissue regeneration. Further, the dosage form of the gynecological pill is simple; the gynecological pill is enveloped by using absorbent cotton gauze, is convenient to use, and can be used for effectively treating various gynecological inflammations. The preparation method is simple in process, has a low requirement on a device, is environmentally friendly, and is suitable for industrialized enlarged production.

The invention discloses a novel ventilating adhesive-free navel patch. The ventilating adhesive-free navel patch comprises a emulsion-type pill, a nail cover and an elastic fixing belt, the nail coveris arranged at the bottom end of the emulsion-type pill, a medical absorbent cotton gauze block is arranged on one side of the emulsion-type pill when in use, and the elastic fixing belt is arrangedabove the medical absorbent cotton gauze block. The ventilating adhesive-free navel patch has the beneficial effects that: the ventilating adhesive-free navel patch has a novel structure; by adoptingthe pills with a emulsion-type structure, the bonding surface of the emulsion-type pill and the navel is ensured to be larger; the whole navel can be fully contacted with the emulsion-type pill; the treatment area of the medicines is greatly improved; the medicine coverage area is as high as about 98 percent; meanwhile, the use comfort of a human body is improved; the problems of insufficient contact, uncomfortable bonding and low medicine effect of spherical pills are solved; the medicine effect is fully exerted; the efficacy of the whole health-care pill is improved; and the health of the human body is ensured.

The invention discloses a gargle medical package for treating oral fungal infection, and a production method thereof, and belongs to the technical field of sanitation. The gargle medical package comprises tablets for treating oral fungal infection, wherein the tablets are wrapped in a medicine bag capable of prolonging the stay time of the tablets in the oral cavity. The medicine bag is made of absorbent cotton gauze, is sealed with a thread, and is also connected with a spun yarn rope through which pulling is facilitated. Through the adoption of the gargle medical package provided by the invention, the problem of oral muscle fatigue during gargling is solved, the action time of the medicine (the tablets) is prolonged, the condition that the medicine in the oral cavity is moved away through saliva is prevented, the oral cavity is cleaned, and the effect of effectively treating oral fungal infection is realized; the gargle medical package can be used in different environments, is suitable for conscious patients and unconscious patients, and has the advantages of being efficient, safe, easy to operate, convenient and comfortable.

The invention relates to a dehumidifying self-heating activated alumina three-dimensional mask, which belongs to the technical field of bacteria prevention for daily necessities. The dehumidification self-heating active alumina three-dimensional mask of the present invention comprises a cover body and ear hooks, and the cover body comprises a cover body frame, a non-woven outer layer, an activated alumina absorbent cotton gauze layer, a chitosan absorbent cotton gauze layer and a non-woven inner layer , the outer layer of non-woven fabric, the layer of activated alumina absorbent cotton gauze, the layer of chitosan absorbent cotton gauze and the inner layer of non-woven fabric are sequentially stacked and arranged in the cover frame. The active alumina degreased cotton gauze layer in the mask of the present invention will generate heat after absorbing water, and chitosan has significant adsorption capacity and good antibacterial properties, and can not only effectively isolate and absorb suspended particles and harmful gases in the atmosphere during winter wearing, And it can dry the moisture remaining on the mask due to the temperature difference in winter and heat it up to keep warm, play the role of a breathing valve, effectively prevent the growth of bacteria in the mask, and play a protective role of antibacterial and sterilizing.

The invention relates to sanitary towels, in particular to a sanitary towel with rear leakage prevention and mild heating functions, and belongs to the field of daily necessities. The sanitary towel comprises a body, protecting wings, and self-heating strips. The protecting wings are located on two sides of the body. The body sequentially comprises a pure absorbent cotton gauze layer, a non-woven spunlace fabric layer, a macromolecule absorbent cotton layer and a cast film layer from top to bottom. Triangular rear leakage prevention protrusions in contact with a human body and closely attached to butt cleavage of the human body are formed on the non-woven spunlace fabric layer and the macromolecule absorbent cotton layer in the cast film layer, so that the menstrual flow is absorbed by the raised macromolecule absorbent cotton layer, and rear leakage of the menstrual flow along the butt cleavage can be avoided.