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65 results about "Acid chemical burn" patented technology

A chemical burn occurs when living tissue is exposed to a corrosive substance such as a strong acid or base. Chemical burns follow standard burn classification and may cause extensive tissue damage.

Ply tissue engineering corneal frame and manufacturing method and application thereof

The invention discloses a ply tissue engineering corneal frame and a manufacturing method and an application thereof, relating to a ply tissue engineering corneal frame of the biomedicine. Compared with the existing materials, the invention provides a ply tissue engineering corneal frame and a manufacturing method and an application thereof, which has abundant resources, high transparency, good biocompatibility, thorough decellularization and strong safety, and the performance approaches to that of a fresh cornea, so that the ply tissue engineering corneal frame can be accepted by majority of patients and applied clinically for a long term. The ply tissue engineering corneal frame is an animal derived decellularized ply corneal stroma sheet and does not contain cellular constituents; collagenous fibers are tidily arranged, and gaps are regular; corneal light transmittance is 80-95%, and tensile strength is 2-5N/mm<2>. The ply tissue engineering corneal frame can be served as the substitute for various donor materials for corneal transplantation and can be used for treating a series of diseases of corneal trauma and chemical burn, corneal tumor and a series of hyperplastic diseases, a series of diseases of corneal neovascularisation and scar, corneal immune diseases, a series of diseases caused by corneal transplantation exclusive reaction and other keratopathy.
Owner:XIAMEN DAKAI BIOTECH CO LTD

Amorphous hydrocolloid dressing

The invention discloses amorphous hydrocolloid dressing formed by high-energy ray irradiation proper crosslinking. The amorphous hydrocolloid dressing disclosed by the invention has good deformability, film forming property, moisture retention, biocompatibility and wound healing facilitation, and can protect various surgical incisions, cover various acute and chronic wounds and wound surfaces, prevent infection, accelerate healing and relive cicatrization. The amorphous hydrocolloid dressing is suitable for the filling covering protection on various wounds with tissue defects and for the protection and treatment of the surgical incisions and burns and scales including the wound surfaces formed by chemical burns as well as various acute and chronic wounds and wound surfaces. Moreover, through radiation sterilization, the amorphous hydrocolloid dressing can be stored for a long time. The formula of the amorphous hydrocolloid dressing disclosed by the invention comprises the following components in percentage by weight: 2-8% of sodium carboxymethylcellulose, 1-6% of chitosan and the balance of water. The amorphous hydrocolloid dressing also can comprise 0.1-0.3% of silver nitrate or silver chloride, 3-8% of polyvinyl alcohol, 15-25% of propylene glycol and the like all by weight. The amorphous hydrocolloid dressing is subjected to high-energy ray irradiation proper crosslinking and sterilization, thus the irradiation dose is 5-15KGy.
Owner:周业平

Sterilizing equipment for burn surgery department

The invention discloses sterilizing equipment for the burn surgery department. The equipment comprises an outer shell ring, a sliding strip ring and an equipment ring which are sequentially arranged from inside to outside, wherein the outer shell ring, the sliding strip ring and the equipment ring are divided into upper portions and lower portions, and the upper portion and lower portion of the outer shell ring are connected with each other through a rotating shaft; the equipment ring is provided with a disinfectant tank and a water collecting tank which are opposite to each other, and the surface, facing to the interior of the equipment, of the disinfectant tank is provided with a sprayer; the surface, facing to the interior of the equipment, of the equipment ring is further provided with a roller which is movably connected to the equipment ring, and the roller rotates around the movable junction; the roller is wound with gauze, and the gauze is 3-5 cm in thickness and soaked with povidone-iodine. The sterilizing equipment for the burn surgery department, by arranging the devices above, can conveniently and timely achieve treatment of chemical burns on arms, even staff without treatment knowledge of chemical burns can use the equipment, and therefore burns on injured people can not further aggravate, and secondary injury is prevented from occurring on the surfaces of wounds.
Owner:成都润泰智通石油科技有限公司

Novel heat insulation multilayer coating for common medium carbon steel casting in metal casting production

InactiveCN103008534AImprove surface strengthGood resistance to chemical sand stickingFoundry mouldsFoundry coresSteel castingMaterials science
The invention discloses a novel heat insulation multilayer coating for common medium carbon steel casting in metal casting production and a using method thereof. The novel heat insulation multilayer coating is characterized in that a technology for coating the multilayer coating on the surface of a metal cavity is innovatively adopted, the coating layer consists of a bottom coating and a surface coating, wherein the bottom layer adopts a coating with excellent heat insulation performance; and the surface layer adopts a coating with high refractoriness and high chemical burnt-on sand resistance. The novel heat insulation multilayer coating has the advantages that the requirements on good heat insulation effect and excellent chemical burnt-on sand resistance in the process of metal casting production of the common medium carbon steel casting can be simultaneously met, the defects that the molten steel has short run, cold shut, crack and the like in a metal mold due to high cooling speed are overcome, and the problem that the casting is difficult to clean and machine due to frequent surface chemical and physical sand adhesion of the steel casting is solved. The service life of the metal mold is prolonged.
Owner:LIAONING INST OF SCI & TECH

Safened insecticide matter

A particle is provided with simultaneous delivery of a fertilizer and an active agent that when adhered to foliage causes a chemical burn thereto. A hydrophobic coating is provided intermediate between the fertilizer core and the active agent to inhibit moisture absorption by the particle that renders the particle tacky and therefore adherent to target foliage. The active agent granule is adhered to the hydrophobic coating or at least partially embedded therein based on the nature of the formation process. The particle is also provided that includes a second fertilizer layer exterior to the hydrophobic coating with the second fertilizer layer is substantially devoid of water soluble nitrogen compounds. Active agent granules are then adhered to the second fertilizer layer. The resultant particles reduce chemical burning associated with combined fertilizer and active agent usage, especially under dispersant conditions of high temperature and high humidity.
Owner:THE ANDERSONS

Ophthalmic compositions and methods of use

The present invention provides a composition comprising two or more of the following pharmaceutically active compounds: (i) an alpha 2 adrenergic agonist; (ii) a corticosteroid; (iii) a lymphocyte function-associated antigen antagonist; (iv) a non-steroidal anti-inflammatory drug (NSAID); (v) a sodium channel blocker; and (vi) an antibiotic, provided at least one of the pharmaceutically active compound is selected from the group consisting of (i) alpha 2 adrenergic agonist and (ii) corticosteroid. The present invention also provides a method for using such composition to treat an eye disorder such as a dry eye syndrome; ocular graft-versus-host-disease; ocular rosacea; allergic conjunctivitis; autoimmune ocular surface disease; thygeson's superficial punctuate keratopathy; herpes zoster keratitis; Stevens-Johnson syndrome; keratitis; conjunctivitis; blepharitis; blepharochalasis; conjunctivochalasis; blepharoconjunctivitis; blepharokeratoconjunctivitis; post-operative inflammation or pain from ocular surgery; scleritis; episcleritis; anterior uveitis; iritis; cyclitis; ocular surface vascular disorder; ulcerative keratitis; photokeratitis; dacryocystitis; eyelid disorder; congenital alacrima; xerophthalmia; dacryoadenitis; vernal keratoconjunctivitis; pinguecula; and / or ocular surface disorder induced by chemical burns, thermal burns, or physical insult to the ocular surface.
Owner:OCUGEN INC

Traditional Chinese medicinal ointment for treating burns and scalds and preparation method thereof

The invention discloses a traditional Chinese medicinal ointment for treating burns and scalds. The ointment comprises the following components in parts by weight: 25-40 parts of rhodiola rosea, 5-10 parts of radix tetrastigme, 10-20 parts of sanguisorba officinalis, 10-20 parts of polygonum cuspidatum, 5-10 parts of zanthoxylum nitidum dc, 5-10 parts of centipede, 3-10 parts of borneol, 30-60 parts of yellow wax, and 300-500 parts of sesame oil. The invention also discloses a preparation method of the traditional Chinese medicinal ointment for treating burns and scalds. The formula of the traditional Chinese medicinal ointment is scientific in preparation method, low in cost, simple in method and easy to operate, has the effects of clearing heat and removing toxicity, activating blood circulation to remove stasis, eliminating necrotic tissues and promoting granulation, relieving pain and resisting inflammation, and promoting metabolism and body tissue in-situ regeneration, has unique treatment effects on first-degree, second-degree and third-degree burns and scalds, electrical injury and chemical burns, and also has better curative effects on chilblain, bedsore and chronic skin ulcer.
Owner:阴从高

Medicine for treating wounds, burns and scalds

The invention relates to a Chinese herbal medicine, in particular to a medicine for treating wounds, burns and scalds. The medicine is characterized in that the Chinese herbal medicine consists of mongolian dandelion herb, giant knotweed rhizome, garden burnet root, angelica root, mint, honeysuckle stem, musk, coptis root, bitter apricot seed, platycodon root, cortex illicii, frankincense, baical skullcap root, safflower, obscured homalomena rhizome and borneol, and the weight part of each component is 3 to 7. The invention has a remarkable effect in treating wounds, burns and scalds, particularly burns and scalds, and can prevent the effusion of the body fluid of patients after medication, thus effectively protecting antibacterial and disease-resistant capabilities of patients, enhancing the immunity of patients and avoiding treatment difficulty caused by infection, visceral complications and the like, no scars are left on patients normally, skin-grafting and plastic surgeries can be dispensed with, the invention clinically treats thousands of cases, the effect is highly remarkable, the effective rate is up to 100 percent, the healing rate (no scars) is 98 percent, and the invention has an excellent curative effect on deep second degree burns, such as oil burns, alcohol burns, electric burns, molten iron burns and chemical burns.
Owner:车国旗

Acid preparation system for storage battery

ActiveCN102698646AStable flow rateImprove the accuracy of acid preparationMixing methodsFinal product manufactureWater flowAcid chemical burn
The invention discloses an acid preparation system for a storage battery, which belongs to an acid dilution system in the field of the manufacture of the storage battery. The acid preparation system comprises an acid preparation storage tank and a cooling device, wherein a water inlet and an acid inlet are arranged at the upper end of the acid preparation storage tank; a liquid outlet is arranged at the lower end of the acid preparation storage tank and is connected with an acid preparation pump through a conveying pipeline; the acid preparation pump is connected with the cooling device through the conveying pipeline; the cooling device is connected with a liquid inlet at the upper end of the acid preparation storage tank through the conveying pipeline, so that a circulating conveying pipeline is formed; a density detection device is arranged on the conveying pipeline between the acid preparation storage tank and the cooling device; and a box body is divided into a plurality of chambers through a flow guide buffer device in the density detection device. Therefore, the flow speed of flowing water is kept stable when the flowing water flows through the chambers, the acid preparation precision is improved and the chemical burn accidents caused by labor measurement are effectively reduced.
Owner:无锡艾迅自动化科技有限公司
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