11829results about How to "Improve the bactericidal effect" patented technology

A manipulator comprises an actuator block and a working unit attachable to and detachable from the actuator block. The actuator block has a motor, the working unit has a connecting shaft and an end working portion disposed at the distal end thereof, and the end working portion is rotated in conjunction with the motor. The working unit further has a two-dimensional code holding an identification signal, and the actuator block further has an infrared camera for recognizing the identification signal in the code and supplying it to a controller, is the camera being not in contact with the code. The controller controls the working unit based on the supplied identification signal.

An optical device includes a shaft, a handle and a camera assembly. The handle is coupled to the shaft at a first end, and the camera assembly is coupled to the shaft at a second end. Camera circuitry and software may be provided in the shaft and the handle, so that, in one embodiment, the device may be constructed with reusable portions of the camera circuitry and software. In another embodiment, the device may be provided as a single piece, that may be discarded or sterilized after use.

A drill guide with integral drill bit is provided for drilling a hole into bone. The drill guide may have a housing for engaging a screw hole of a bone plate to fix the trajectory of the drill guide and drill with respect to the bone plate. An adjustable stop assembly is also provided and is axially slidable along the drill bit. The adjustable stop has a drill bit engaging mechanism to selectively lock the adjustable stop to the drill bit at a desired location to limit the depth that the drill may penetrate into the bone.

PCT No. PCT / GB98 / 02840 Sec. 371 Date Jul. 14, 1999 Sec. 102(e) Date Jul. 14, 1999 PCT Filed Sep. 18, 1998 PCT Pub. No. WO99 / 13741 PCT Pub. Date Mar. 25, 1999Food is rendered sterile by UV irradiation, preferably with UV at 265+ / -15 nm. A sterilization unit may include UV sources (90, 100, 110, 120) and a heat source, which may be a broad band UV source, a source of IR or microwave radiation. A combined microwave / UV unit can be used to defrost frozen food and simultaneously sterilize it or maintain sterility. Heating prior to UV irradiation can enhance the sterilization, as can rapid cooling after irradiation. Irradiation can also be enhanced by displacing the food during irradiation e.g. by supporting it on a rotatable support (135) and / or by displacing it relative to the support surface.

The invention relates to a method for sterilization of an air conditioner and the air conditioner. The method comprises the steps that the air conditioner is started, an indoor unit is in a heating operation mode, and the surface temperature T0 of a heat exchanger of the indoor unit is increased to be larger than a sterilization temperature threshold T, and is kept for the time t. According to the invention, after the air conditioner is started, the indoor unit conducts heating operation, and the surface temperature of the heat exchanger of the indoor unit is increased to be larger than the sterilization temperature threshold, and is kept for a certain time, so that bacteria in the air conditioner can be killed, and the cleanliness of the indoor unit of the air conditioner can be improved. In addition, in order to improve the sterilization effect of the air conditioner, before the indoor unit conducts heating operation, water can be added to the surface of the heat exchanger of the indoor unit, and / or the indoor unit can be in a dehumidification mode so as to generate condensation water on the surface of the heat exchanger of the indoor unit; and then the added water or the generated condensation water is converted into high-temperature steam in the indoor unit when the indoor unit conducts heating operation, and rapid sterilization is achieved.

The invention discloses zeolite colored coating powder having an air-purifying function. According to the technical scheme, the zeolite colored coating powder having the air-purifying function is characterized in that ingredients include attapulgite pottery clay powder having the air-purifying function, acidified zeolite particles, colored portland cement, Paris plaster, white carbon black, calcium chloride, aerosil, expanded perlite, nanometer silver-loaded antibacterial powder, nanometer titanium dioxide, sodium pyrophosphate and powder defoaming agents. The ingredients of the zeolite colored coating powder having the air-purifying function are input three times into a stirring machine to be stirred evenly and packaged into the finished product. By the adoption of the colored coating, in indoor wall decoration, an artistic emboss effect of various embossed three-dimensional colored patterns can be achieved through spraying and manufacturing, after spraying, a coating is hard, the porosity is high, the specific surface area is large, adhesion is strong, indoor formaldehyde, ammonia nitrogen, benzene and other harmful substances can be adsorbed and decomposed, and the functions of automatic humidification, mould prevention, sterilization, deodorization and air purification are achieved.

The current methods for reconnecting intestinal tissues, suturing, or metallic staples, can result in a leaky anastomosis that may result in post-operative infections in the patient's abdominal cavity. By utilizing electrical current to bond or weld the intestinal tissue, this potential for leaky anastomosis can be significantly reduced. This invention provides tools and processes that allow electrical tissue bonding to be used on a hollow tissue, such as an intestine. This invention also discloses a means for further reducing the inherent problem of tissue sticking to the electrodes, by introducing a superior electrode design that uses a composite material, copper-molybdenum (CuMo).

The invention discloses polyhexamethylene guanidine propionic acid and preparing method thereof. The preparing method employs stepwise synthesis, which includes steps of: sufficiently mixing dicyandiamide and alanine under high temperature to synthesize aminoguanidine propionic acid, mixing the aminoguanidine propionic acid, triethylidenepropyldiamine and initiator under high temperature to synthesize the polyhexamethylene guanidine propionic acid. Advantages of the invention are: sterilization effect is excellent, toxity is actually nontoxic level, effect of sterilization is better than existent technique, due to overcoming strong hygroscopicity in existence, the polyhexamethylene guanidine propionic acid can be produced to stable powder, thereby being widely used in fields such as weave, plastic, daily chemicals and water treatment.

The present invention is directed to a biocidal water treatment composition, water treatment apparatus, and method of treating water to reduce levels of pathogens. The composition contains sources of copper, zinc, and silver metal ions within a crosslinked polymer matrix. Examples of these ion sources include copper sulfate, zinc sulfate, and silver nitrate. An example of the crosslinked polymer matrix is crosslinked chitosan, which also serves to clarify the water and release the metal ions over time. The product is easy to manufacture, and allows the use of decreased halogen sanitizer, as well as decreased copper ion, thereby decreasing the likelihood of staining. The product simultaneously provides good bactericidal and algaecidal properties, despite low levels of copper ion and low chlorine levels.

The invention discloses a liquid food novel non-thermal sterilization method, in particular a non-thermal sterilization method of cloudy apple juice which belongs to the food processing technology field. The technical scheme includes adopting the aseptic operation to send the cloudy apple juice into a reaction vessel and adopting pulse type carbon dioxide with high density for the sterilization. The concrete operation step is: firstly, pumping carbon dioxide with high density into the reaction vessel; secondly, treating for a certain period at the set temperature and pressure condition; thirdly, releasing the carbon dioxide after the treatment to lower the pressure in the reaction vessel to the normal pressure; fourthly, operating the steps from the first to the third repeatedly for more than two times for the pulse type carbon dioxide with high density treatment. The killing effect of Escherichia coli in the cloudy apple juice which is processed in the invention can achieve the result of lowering at least five logarithms to satisfy the commercial aseptic requirement. Compared with the present non-thermal sterilization method, the invention has more obvious sterilization effect and can shorten the treatment time and save energy. The invention has the advantages of low processing temperature, energy saving and environmental protection and can maintain the good flavor of the cloudy apple juice.

Air purifier systems particularly suitable for motor vehicles are provided that comprise an air flow passage; a glow discharging device; a photo-catalyst device; and a negative ion generator. Preferred air purifiers comprise a glow discharging device having mesh-structured electrodes which can purify air via dielectric barrier discharge, a photo-catalyst device that can further purify the air firstly purified by the glow discharging device, and a negative ion generator having nano tubes, which can treat the purified air with negative ions.

A spirometer having a housing with an elongated flow chamber open at one end, a pressure sensing end opposite the open end and an outlet passageway intercepting the flow chamber at an angle α and proximate the pressure sensing end. A differential pressure sensor is coupled to the pressure sensing end from a port at an angle β to an axis of the flow chamber. The angle α is substantially greater than 0° but substantially less than 180° while the angle β may range from 90° to 180°, such that a significantly increased measured air pressure results over that measured when α=180° and β=90°.

The invention relates to a kieselguhr-based porous ceramics, a preparation method thereof and a method for loading Ag doped with nano TiO2 on the same, belonging to the technical field of a kieselguhr inorganic material. The kieselguhr-based porous ceramics is made from kieselguhr, a sintering auxiliary agent, a dispersing agent, a binder and water in the weight ratio of 60-92:8-40:0.01-2:0:001-1:100-450. The kieselguhr-based porous ceramics has functions of absorption and filtration, and can absorb granules in fluid when the fluid passes through the lieselguhr-based porous ceramics. Ag doped with nano TiO2 is loaded on the kieselguhr-based porous ceramics to generate kieselguhr-based porous ceramics loading the Ag doped with TiO2. The laden anatase-type nano TiO2 has large specific surface area. The effects of filtration, photochemical catalysis and sterilization of the kieselguhr-based porous ceramics loading the Ag doped with nano TiO2 are greatly increased.

The invention provides a specialized organic / inorganic composite biological medicine fertilizer for watermelon, and a preparation method thereof. The weight parts of composition raw materials are as follows: 50-70 parts of sludge produced by sewage treatment, 20-30 parts of tree ash, 30-40 parts of watermelon vines, 20-30 parts of cow manure, 15-20 parts of bagasse, 5-7 parts of fishbone dust, 8-10 parts of oil cakes, 10-15 parts of the tree ash, 10-15 parts of phosphorus slag, 8-10 parts of poultry feather, 8-10 parts of monoammonium phosphate, 10-12 parts of triple superphosphate, 12-15 parts of potassium chloride, 2-4 parts of carboxymethyl chitosan, 20-30 parts of modified bentonite, 10-12 parts of decomposed coal, 2-4 parts of seven leaf clover, 9-11 parts of angled bittersweet, 8-10 parts of capillary artemisia, 5-7 parts of fructus cnidii, 6-8 parts of fructus quisqualis, 3-5 parts of wormwood, 3-5 parts of litsea cubeba, 8-10 parts of daturae flower powder, 3-5 parts of paraffin, 1-1.25 parts of zinc sulfate, 2-3 parts of ferrous sulfate, 0.8-1.2 parts of borax, 10-12 parts of potassium fulvic acid, 3-4 parts of chili oil and 0.2-0.5 part of EM strains. A green organic fertilizer is obtained by mixing a plurality of organic wastes and fermenting the mixture, thereby reducing environment pollutions. The specialized organic / inorganic composite biological medicine fertilizer for the watermelon has the advantages of comprehensive nutrition and enhanced sterilizing effects by mixing the fermented organic materials and inorganic fertilizer and adding medicine juice of the Chinese herbal medicine having insectidical functions. With the application of the fertilizer, watermelon quality can be effectively increased; and the watermelon has green leaves, bright flower, prolonged flowering period and increased output.

The invention relates to high-efficiency hydrate inhibitive environment-friendly drilling fluid, and particularly relates to the drilling fluid containing water, bentonite, hyamine dimeric surfactant, inorganic salt, sodium carboxymethyl starch, cationic polyacrylamide and solid anti-sloughing lubricating agent GFRH. The high-efficiency hydrate inhibitive environment-friendly drilling fluid can be used for exploiting continental or ocean oil-gas resources and can effectively inhibit the generation of hydrate; moreover, the components of the drilling fluid are small in environment harm, and the drilling fluid has the advantages of high efficiency and environmental protection.

A method is provided for treating subjects, including humans, with infection or virulence by pathogens. The method involves administering an agent in amounts effective to eradicate or reduce infections and / or an inflammatory response caused by pathogens. Methods for identifying compounds useful as anti-infectives that decrease the immune resistance, virulence, or growth of microbes are also provided. More particularly, there are provided methods for identifying compounds which increase accumulation or stability or activity, or alternatively decrease the degradation of HIF-1a protein.

The invention provides a compound antimicrobial and a preparation method thereof. The compound antimicrobial comprises micro-nano particles and guanidine polymers by the weight ratio of 1:1 to 1:50, wherein the micro-nano particles at least have the one-dimensional average dimension of 1nm to 1000 mu m; the guanidine polymers are coated on the surfaces of the micro-nano particles and / or embedded in holes or among layers of the micro-nano particles; inorganic or organic particles comprising micro-nano particles are added to a solution of the guanidine polymers; organic alkali is added or not added; the particles and the solution are uniformly mixed and dried for obtaining the compound antimicrobial. When applied to plastics, fibers and rubber, the antimicrobial has high sterilization efficiency, also largely reduces the processing cost of antibacterial materials, and has simple and convenient preparation method.

The present invention provides a harmless sterilization method and sterilization apparatus which provide adequate sterilization effects without residual gas. The method comprises: a sterilization step in which a chamber containing an object to be sterilized is depressurized; a hydrogen peroxide supply step in which hydrogen peroxide is supplied into the chamber; an ozone supply step in which ozone is supplied into the chamber; a sterilization step in which the hydrogen peroxide and ozone supplied inside the chamber are dispersed to sterilize the object to be sterilized; an exhaust step in which gas inside the chamber is exhausted; and a plasma generation step in which plasma is generated inside the chamber to break down hydrogen peroxide and ozone remaining near the object to be sterilized, and radicals which promote sterilization are generated.

The invention discloses a seawater factory-style circulating water fish farming treatment method which comprises, removing the residual bait and excrement from the seawater flowing out of the fish pond through full-automatic conduit pipe filter apparatus, entering foam separate tank from the circulating pump to remove part of the suspended matter and protein, then removing ammonia nitrogen through biological cleaning tank, adjusting water temperature and pH, disinfecting through ultraviolet rays, oxygenation, charging the detected water into the fish pond again, thus completing a circulation.

The invention relates to an improvement in a method for sterilizing an article in a sterilizing chamber by exposing the article to humidified ozone in at least two consecutive sterilizing cycles, the improvement comprising, after the first of said consecutive sterilizing cycles and before the second of said consecutive sterilizing cycles, removing from the sterilizing chamber any condensed water present.

According to the present invention, a pre-cleaning process is performed for removing a physical substance such as blood, mucus or tiny pieces of tissue that are attached to the exterior of the medical device and are inside a duct or a hollow portion. Then, the pre-cleaned medical device is immersed in a chlorine dioxide solution and / or a chlorine dioxide solution is passed through the duct or the hollow portion. Thereafter, the medical device is placed in a chlorine dioxide gas atmosphere and / or a chlorine dioxide gas is passed through the duct or the hollow portion. In this manner, the exterior of the medical device and the interiors of the duct and the hollow portion are deodorized, disinfected and sterilized.

Packaging materials and containers may be treated with sterilization dosages internally and externally using monochromatic, continuous wave, high-intensity, incoherent light in single and / or multiple light source configurations. The treatment systems and methods preserve physical and performance properties of the packaging / container while achieving a desired level of sterilization. The sterilized materials may be adapted for extended shelf life (ESL) products. The disclosed treatment systems and methods may also be used for sterilization of food and beverage products (either prepackaged or post packaged), medicines, pharmaceuticals, vitamins, infusion products, clinical and / or non-clinical solutions and systems, enteral and / or parenteral solutions and systems, and the like.

The component of the paper soap include carboxymethyl cellulose sodium, fatty alcohol polyioxymethyl ethyleneethere sodium sulfate, sodium dodecyl benzene sulfonate, lauryl sodium sulfate, cocinin diethanolamide, nonly phenol polyoxyethyleneether, glycerine, quaternary ammonium salt and citric acid. Its preparation includes preparing carboxymethyl cellulose sodium mother liquor, adding the mixed solution of other components to prepare solution through stirring, spraying the prepared solution of PVC plate and drying in a sealed room and moisture extract at 35-40 deg.c to form film.

The invention discloses an externally applied antibacterial and antiphlogistic medicament and a preparation method thereof, and relates to an antiphlogistic medicament and the preparation method thereof. The antiphlogistic medicament is processed and prepared by the following raw materials: peppermint, fineleaf schizonepeta herb, divaricate saposhnikovia root, rhubarb, amur corktree bark, common andrographis herb, fructus forsythiae, baical skullcap root, Philippine violet herb, radix salviae miltiorrhizae, lightyellow sophora root, dahurian angelica root, tree peony bark, aloe, membranous milkvetch root, indigowoad leaf, sweet wormwood herb, Chinese gentian, sinkiang arnebia root, liquoric root, Chinese gall, golden thread, cassia seed, indigowoad root, honeysuckle flower, chrysanthemum, hawthorn fruit, sessile stemona root, argy wormwood leaf, common cnidium fruit, borneol powder, borax powder, honey, propanetriol, propanediol, Tween-60, OP10, castor oil and turpentine oil. The product has good antibacterial and antiphlogistic effects, bacteria can not generate an antibody and can not generate the resistance to the medicament, the bacteria can be prevented from being mutated to superbacteria, and the antiphlogistic medicament has no toxicity or side effects and is safe to use.

The invention discloses a water catalyst sterilizing and detoxifying device and a producing and using method thereof. The device comprises a water catalyst generator and a DC (direct current) power supply, wherein the water catalyst generator comprises an anode electrode and a cathode electrode which are both titanium electrodes; and the anode electrode is coated with a composite material coating. The producing method comprises the following steps of: (I) making electrodes; and (II) making the composite material coating: preparing composite material coating liquid, and brushing, drying and sintering the coating liquid in multiple times. The using method comprises the following steps of: a, placing the cleaned article and the water catalyst generator in the cleaning water; b, connecting the water catalyst generator with the DC power supply; and c, purifying the cleaned article with the water catalyst generator and the cleaning water. According to the invention, the design is reasonable, the producing and using processes are simple, and the purifying effect is good; and moreover, the problems of poor using effect, possible new pollution, easy damage to the nutrient components of thecleaned food and the like of the existing sterilizing and pesticide residue removing methods can be solved.

The invention relates to a chitosan nano silver gelata used for treating an inflammation in a lower genital tract, cervicitis and cervical erosion of female and empyrosis, scalding, bedsore infection and other skin inflammations such as tinea manus and pedes, and various wound infections, etc. The medicinal raw materials of the chitosan nano silver gelata of the invention are the nano silver and chitosan polymer in respective therapy dose; the nano silver is the nano silver powder or the nano silver colloid; the chitosan polymer is the chitosan and the chitin and one or more than one derivative of the chitosan and the chitin. The product of the invention has the advantages of high efficiency and being nonpoisonous, and has an extremely strong antibacterial action and an excellent therapeutic effect; compared with other nano silver gelata, the chitosan nano silver gelata of the invention has the advantages of perfect sterilizing effect, long-lasting effect and tissue repair function.

The present invention is directed to a stable, soluble, antimicrobial composition concentrate comprising pyrithione or a pyrithione complex in an amount of from about 0.5% to about 30 weight percent, a zinc source in an amount of from about 0.1% to about 10%, and an organic amine component in an amount of from about 30% to about 80%, said percents being based upon the total weight of the composition concentrate. The invention is also directed to methods of controlling the growth of free-living microorganisms or biofilms using the antimicrobial composition of the invention, and products made using the antimicrobial composition of the invention.

The present invention discloses a measuring and guiding device for reconstruction surgery. The measuring and guiding device includes: a pair of rotary aims, a connector, and a pair of fixators. Each rotary arm includes: a first shaft, a first joint body and a second joint body. The pair of rotary arms is joined together by extending through each of the first joint bodies using the connector. Besides, each fixator includes: a second shaft, a third joint body and a guiding portion, and each third joint body is connected with one of the second joint bodies. With the implementation of the present invention, the measuring and guiding device is capable of measuring an operating site and guiding the operation precisely during reconstruction surgery.

The present invention is directed to an antimicrobial composition, comprising pyrithione or a pyrithione complex; and a zinc or copper or silver source selected from the group consisting of zinc or copper or silver salts, oxides, hydroxides, sulfates, chlorides, metals, and combinations thereof; wherein the weight ratio of the zinc or copper or silver source to the pyrithione or the pyrithione complex is in the range from about 1:300 to about 50:1, and wherein the antimicrobial composition has an enhanced biocidal effect against a variety of free-living microorganisms or biofilms. Also disclosed is a method of inhibiting the growth of free-living microorganisms or biofilm utilizing the above antimicrobial composition, as well as use of such antimicrobial compositions in various products including fuels, fluids, lubricants, coatings, adhesives, sealants, elastomers, soaps, cosmetics, plastic or woven or non-woven fibers, pharmaceuticals, and as preservatives for the above products.