1489 results about "Steam sterilization" patented technology

A sterilization container for medical instruments includes a receptacle with a bottom wall and an open top, there being a multiplicity of vent openings in the bottom wall. The receptacle has a cover movable between a closed position wherein the cover closes the open top of the receptacle and an open position wherein the cover is positioned to allow access to the interior of the receptacle. A filter sheet is positioned in the receptacle so as to cover the bottom wall and the vent openings therein and the receptacle contains one or more trays for supporting medical instruments above the filter sheet. A perforated highly thermally conductive plate is positioned between the trays and the filter sheet so that when steam enters the container through the vent openings during steam sterilization, it heats the plate to a temperature sufficient to revaporize steam condensate collecting on the plate. The internal structure of the container is also disclosed.

A steam sterilization system for sterilizing medical waste comprises a cart for carrying a removable bin for holding medical waste, and a sterilization chamber that receives the bin when it is removed from the cart. The cart has wheels mounted thereon to provide mobility to the cart, and the cart has a rail assembly positioned at each side end portion. The bin for holding medical waste the bin being removably mountable to the cart, and the bin has wheels mounted on each side wall of the bin and spaced such that the wheels engage the rail assemblies of the cart when the bin is being loaded onto the cart and such that the wheels engage the rail assemblies of the cart when the bin is being removed from the cart. The sterilization chamber has a rail assembly mounted in the interior of the chamber on which the wheels of the bin ride when the bin is inserted into the chamber from the cart prior to sterilization and on which the wheels of the bin ride when the bin is being removed from the chamber and rolled back onto the cart after sterilization. A steam valve is connected to the chamber for introducing steam when desired into the chamber, and a vacuum pump is connected to the chamber for evacuating air in the chamber when desired.

A high temperature and pressure steam sterilization container for an endoscope, which contains the endoscope to perform a high temperature and pressure steam sterilization, is contained in a cleaner so that cleaning is possible in a state in which the endoscope is stored.

The invention discloses a bio-macromolecular hydrogel prepared by enzyme catalysis and ion cross-linking, and a preparation method of the bio-macromolecular hydrogel. The bio-macromolecular hydrogel comprises a protein or polypeptide bio-macromolecular network formed by enzyme-catalyzed cross-linking of protein or polypeptide or amino acid residue-containing molecule, accounting for 1-99 wt% of total dry mass of the hydrogel; and a polysaccharide bio-macromolecular network formed by bivalent ion cross-linking of polysaccharide macromolecule, accounting for 1-99 wt% of total dry mass of the hydrogel. The above two networks are inter-penetrated without chemical bonding. The hydrogel has the advantages of excellent mechanical properties, no use of chemical cross-linking agent, simple and effective preparation method, good bio-compatibility and mechanical strength, and capability of steam sterilization; may be in the forms of wet or dry film, porous sponge, tube and particles; and can be used in cell / tissue culture, and used as tissue repair material, tissue engineered scaffold or drug release carrier.

One embodiment describes a handheld, sterile input device to control one or more devices in the operating room. The embodiment's disposable component contains no electronics while its removable sensing module can be autoclaved and recharged for multiple procedures. Another embodiment describes a fully autoclaveable sterile input device with a detachable control assembly that enables thorough cleaning and disinfecting prior to steam sterilization in an autoclave.

A sterilizable flexible pouch package includes a non-woven barrier web, a perforated plastic intermediate web, and an imperforate plastic upper web. Line heat seals bonding the webs from a cavity into which a sterilizing fluid may enter after passing through the barrier and intermediate webs. The line heat seal bonding the upper and intermediate webs is of the delamination failure type. An access opening is provided for insertion of an object to be sterilized into the cavity after which the access opening is sealed, enclosing the object in the cavity. After sterilizing, the package is opened by peeling apart the upper web from the intermediate web which causes a delamination failure of the line heat seal. Preferred materials enable steam sterilization at temperature of 270° F.

Stable, pharmaceutical compositions including a synthetic motilin-like peptide in a buffered solution are disclosed. The composition provides for a peptide that remains stable and substantially retains its initial potency during extended storage and after steam sterilization.

A hydrate of brain protein is prepared from pig's brain through adding purified water, homogenizing, heating, cooling, regulating pH=1.5-2.0, enzymolyzing, regulating pH=7.7-8.0, enzymolyzing, regulating pH=2.5-3.0 freezing, thawing, filter, regulating pH to become neutral, ultrafiltering, concentrating, sterilizing, adding amino acids, regulating peptide map, diluting, and steam sterilizing.

An integrated sterilization and materials handling system for sterilizing and handling items such as medical waste, paper, or other things comprises a cart for carrying a removable bin for holding the items to be sterilized, and a sterilization chamber that receives the bin when it is removed from the cart. The various embodiments include a bin that is dumpable with the cart using existing dumping apparatus, a bin that pivots on the cart to permit dumping of the items from the bin by tilting the bin, and a bin used primarily in a dry heat sterilization process of the invention when sterilizing items that are not to be discarded after sterilization to facilitate loading and unloading of the bin. The system has thermal energy booster plates mounted in the sterilization chamber for providing dry radiant heat to the chamber, and the system may vary process times, process pressures, and process temperatures to predetermine settings that correlate to the weight of the items to be sterilized.

A monolayer film of a polymer blend of a first component selected from the group consisting of an ethylene containing polymer, the first component present in an amount by weight of the film from about 60% to about 1%, the first component having a first melting point temperature determined by DSC, a second component selected from the group consisting of propylene containing polymers and methyl pentene containing polymers, the second component being present in an amount by weight of the film from about 99% to about 40%, the second component having a second melting point temperature determined by DSC; and the film being capable of withstanding steam sterilization at a temperature from about 100° C. to about 130° C.

A whole-nutrient enteric emulsion for tumor patient is prepared through dissolving or dispersing the raw solid materials in purified water while stirring to obtain water-phase mixture, mixing it with oil-phase mixture to obtain emulsion, adding residual purified water, stirring while removing foam, high-pressure homogenizing, cooling, storing, pouring glass bottles, aerating nitrogen, sealing and steam sterilizing.

The invention discloses a full-automatic control multifunctional solid-state fermentation tank, comprising a round vertical fermentation tank main body and a fermentation control system, wherein a loading auger is arranged at one side of the upper end of the fermentation tank main body; multiple clapboards are arranged in the fermentation tank main body; a high-material-bed material level automatic control device is arranged in each fermentation layer; a sterile air distribution system is arranged in each fermentation layer and is connected with a sterile air generation tank positioned at the outer side of the fermentation tank main body; a main shaft is rotationally arranged in the fermentation tank main body; and the upper ends of the clapboards are provided with stirring blades. The full-automatic control multifunctional solid-state fermentation tank disclosed by the invention integrates eight functions including dry material mixing, watering material mixing, steam sterilization, inoculation, automatic fermentation control, low-temperature drying, raw material crushing, automatic discharging and finished product smashing, and enables all operations of solid-state fermentation to be completed in a multifunctional biological solid-state fermentation tank; and by virtue of the equipment disclosed by the invention, the fermentation and production preparation processes of solid biological products can be continuously completed.

The invention discloses a steam sterilizing method, which comprises a sterilizing treatment procedure and a sterilizing treatment post cooling procedure. Before the sterilizing procedure, the interior of a sterilizing chamber is preheated by adopting the hot air provided by a first hot air draught fan; and meanwhile, a second hot air draught fan connected with a hot air inlet of the sterilizing chamber through a storage steam heat exchanger is opened to preheat the storage steam heat exchanger. After the preheating treatment for the sterilizing chamber and the storage steam heat exchanger reaches a set temperature, the material is continuously preheated by the first hot air draught fan; and after the preheating treatment is finished, the material to be sterilized is sterilized by high-temperature steam or over-heated steam. The sterilizing method is simple and efficient, and avoids the problem that the high-temperature steam caused by the sterilizing method without the preheating treatment is condensed in the sterilizing chamber to damp the material so as to influence the quality.

The invention relates to the field of the processing of fermented food. In order to solve the problems of single monascus fermentation raw materials and poor fermentation process, the invention provides a method for preparing tartary buckwheat monascus. The method comprises the following steps of: (1) peeling tartary buckwheat, cleaning, crushing to form 10 to 40-mesh powder, adding nutrient solution till the moisture content in the mixture is between 30 and 70 percent, stirring, putting into a container, and sterilizing by steam to obtain a solid culture medium; (2) cooling the solid culture medium, inoculating monascus liquid strains, wherein a volume / mass ratio of the inoculation amount to the solid culture medium is (0.07-0.2):1; (3) fermenting, namely culturing at the temperature of between 30 and 32 DEG C for 3 to 5 days, and culturing at the temperature of between 22 and 24 DEG C for 3 to 30 days; and (4) pouring materials in the container, drying at the temperature of between 60 and 80 DEG C until the moisture content in the materials is less than or equal to 8 percent, and obtaining the tartary buckwheat monascus. Simultaneously the invention also provides application of the tartary buckwheat monascus to cereal food, and provides environment-friendly and healthy food.

According to an aspect of the present invention, there is provided a centrifuge in which a steam sterilization of a sample flow passage is performed, the centrifuge including: a rotor configured to centrifuging a liquid sample; a drive portion that drives and rotates the rotor; a chamber that accommodates the rotor therein, the chamber having a first and a second penetration holes provided on an upper and a bottom portions thereof, respectively; and a first and a second valves disposed on the first and the second penetration holes, respectively; wherein a cooling gas is introduced through one of the first and the second penetration holes and discharged through the other to cool a periphery of the rotor before or after execution of a centrifuging operation of the liquid sample.

An illuminational optical system and an observational optical system mounted to lens frames are arranged at the tip part of an insertion portion. The observational optical system has resistance to high-temperature steam sterilization, and is sealed steam-tight in order to avoid entering of steam into the inside. On the other hand, the illuminational optical system is sealed liquid-tight with an adhesive, and even when steam enters into the inside, the entered steam can be discharged by the heat accompanying illumination light during an endoscope inspection. Consequently, cost reduction can be achieved and repairability, etc., can be ensured with almost no degradation in observation performance.

The invention discloses an aqueous solution of silk fibroin and a preparation method for the aqueous solution, and belongs to the technical field of biomedicine. According to the technical scheme, the method comprises the following steps of: adding strongly polar polyol or soluble salt for hindering gelatinization of a silk fibroin solution into the silk fibroin solution, performing high-temperature steam sterilization, and thus obtaining the aqueous solution of the silk fibroin, wherein the aqueous solution of the silk fibroin can be stored for over 3 months at room temperature without gelatinization or deterioration and has stability. The aqueous solution of the silk fibroin is suitable to be prepared into various silk fibroin films, hydrogel, porous materials, microspheres and the like used for cosmetics, skin-care products, sun lotion, tissue engineering materials, medicament carriers, artificial skin and the like. Because the stable aqueous solution of the silk fibroin can be stored for long time, the preparation-and-use workshop type production mode of a silk fibroin biomaterial can be changed into a large-scale industrialized production mode.

The invention relates to a stable preparation for injection by taking S-oxiracetam as active ingredient. The preparation is a composition for injection, and is formed by the S-oxiracetam or salts thereof serving as active ingredient and pharmaceutically acceptable auxiliary material. To restrain the racemization of the S-oxiracetam, when the powder injection with the active ingredient is prepared, and only the pH value of the S-oxiracetam medicament solution ranges from 4.5 to 7.0, the pH value is between 5.4 to 6.6 preferably, so that the S-oxiracetam medicament solution can be produced, and the final freeze-dried product has acceptable long stability; and moreover, when injection is produced, a rotary steam sterilization method needs to be adopted, terminal rotating sterilization is performed for 15 to 45 minutes under the temperature of 121 DEG C, and the terminal rotating sterilization is performed for 15 to 20 minutes preferably, so that the S-oxiracetam injection with high purity can be obtained and has acceptable long stability.

The invention discloses a method for producing health feed by using notoginseng residues fermenting. The method comprises: (1) pretreating notoginseng residues through drying, crushing and screening; (2) uniform mixing the pretreated notoginseng residues, water and nitrogen source; (3) treating the mixed materials through steam sterilization; (4) inoculating moulds and yeasts on the sterilized materials to carry out mixed culture solid-state fermentation; (5) drying the fermented products to obtain the health feed. According to the method provided by the present invention, the notoginseng residues can be transformed into a protein feed with disease prevention and health function. With the method provided by the present invention, the notoginseng residues are used as resources, a purpose of changing waste into valuables is realized, such that environmental pollution is reduced, and greenness health feed without antibiotics is provided for breeding industry.

The invention relates to a steam sterilization system used in the fields of microbial fermentation production, the food production and pharmacy, etc and a sterilization and cooling method thereof, wherein, the system comprises a steam sterilization tank in which high temperature steam can be pumped, and the steam sterilization tank is provided with a conventional steam inlet and a steam exhaust port, as well as an air inlet and an air outlet; an air pump is connected to the air inlet through an air filter; the air outlet communicates with a sterilized space through a segment of air transmission pipe. The steam sterilization system and the sterilization and cooling method thereof can speed up the sterilized cooling process in the mode of air convection and meanwhile reuse the sterilized air which participates in the cooling, with good sterilization effect.

The invention relates to a preparation method of ropivacaine mesylate injection packed by a soda-lime glass bottle, which comprises the following processing steps of ingredient preparation, liquor preparation, soda-lime glass bottle and rubber plug cleaning, filling, capping, sterilization, lamp test, labeling, packing and finished product inspection. The injection is subject to a filtration sterilization processing step once and a flowing steam sterilization processing step once, wherein microorganisms larger than 0.22 microns in liquid medicine are removed by a filter method, microorganismssmaller than 0.22 microns are killed by flowing steam sterilization, and insoluble particles in the liquid medicine are removed during filtration sterilization simultaneously, thereby greatly reducingthe occurrence of phlebitis; and the invention is packed by the soda-lime glass bottle which has the advantages of heat resistance, acid and alkali resistance, large strength, and the like, thereby ensuring the stability of the medicine. Clinic comparison tests show that the ropivacaine mesylate injection packed by a soda-lime glass bottle has the advantages of quicker effect, long action time, reliable anesthetic effect, small toxicity to heart, separate blocking pf sensory and motor nerves, and the like, thereby being suitable for anesthesia in surgeries and postoperative analgesia.

A composite chemical indicator for high-pressure steam sterilization in hospital is prepared from adhesive, colouring reactant, reactant and solvent. It can be printed on the object or made into indicating card, label, adhesive tape or disposable sterilization bag.

A surgical and dental instrument sterilizer is described. Liquid water is rapidly vaporized by microwave heating and steam is generated to attain a steam pressure of approximately 47 psi and a temperature of approximately 135° C. in the region of the articles to be sterilized. Micron-size water-droplets are intermittently sprayed onto the articles which are arranged on a tray, from both the top and from underneath thereof so as to thoroughly wet the surfaces. A 30-90 s duration of droplet spray is followed by pulsed microwave irradiation of the top and underneath surfaces for a similar period, as an example; this is followed by a plurality of spray / microwave cycles. Sterilizing conditions in the sterilizer chamber are maintained in the presence of the water spray / microwave flashing cycles since introducing small aliquots of water will not affect the desired sterilizing condition provided by superheated steam augmented by microwave radiation necessary to kill microbes including spores; however arcing from metal instruments when subjected to microwave radiation is substantially reduced.

An object of this invention is to provide a drug solution container package, which can restrain degradation of a drug solution, proliferation of microbes, etc. accompanying the transmission of oxygen in a high degree while maintaining characteristics required of plastic drug solution containers such as heat resistance, impact resistance, pliability, transparency, and resistance against elution of plastic forming material, and to provide a method for manufacturing the drug solution container package. In the present invention, to achieve the above object, a drug solution is contained and sealed in a plastic drug solution container having an oxygen gas transmission rate (25° C., 60% RH) of not less than 200 cm3 / m2·24h·atm within twelve hours after being subject to steam sterilization or hot water sterilization, and having an oxygen gas transmission rate (25° C., 60% RH) of not more than 100 cm3 / m2·24 h·atm when the oxygen gas transmission rate is in a steady state, and thereafter the plastic drug solution container is steam sterilized or hot water sterilized and then are contained and sealed along with an oxygen scavenger in an outer pouch having an oxygen barrier property.

The invention discloses a fermentation device for rapidly composting vegetable wastes and a using method and effect of the fermentation device. The device is attractive in appearance and practical, is a hollow cylinder and comprises the following eight systems: a fermentation system, a sterilization system, a monitoring system, a ventilation system, a filtrate collection system, a heat insulation system, a deodorization system and a tool system; the device can be used for measuring temperature, humidity, gas and pressure sensing and can also be used for providing timely and comprehensive data for fermentation through combining with sampling analysis; steam sterilization and temperature and pressure control can be realized, the highest fermentation temperature is 45 DEG C, and the pressure is 0.02-0.03MPa; a sampling pipe, a discharging rake and a design that a material is prevented from falling from a fermentation chamber into an air distribution chamber are adopted; the rotten degree and bacterial count increasing, bacterium reducing and period shortening effects obtained by temperature and pressure controlled fermentation adopted by the device are better than those obtained by temperature and pressure uncontrolled fermentation and fermentation in a common plastic barrel with the same volume, the temperature and pressure controlled fermentation time is 10-12d, the temperature and pressure uncontrolled fermentation time is 19d, and the contrast time is 37d; after being treated by using the device, no fusarium wilts of cucumber are detected according to the contrast of 2*10<3> / g.

A cleaning and disinfecting apparatus for medical instruments is provided. The apparatus comprises a cleaning and disinfecting box, a washing device, an atomization disinfection device, a steam sterilization device and a waste liquid collecting box. The upper end of the cleaning and disinfecting box is connected to the atomization disinfection device, the left end of the cleaning and disinfecting box is connected to the washing device, the right end of the cleaning and disinfecting box is connected to the steam sterilization device, and the lower end of the cleaning and disinfecting box is connected to the waste liquid collecting box through a right liquid discharging pipe and a left liquid discharging pipe. The atomization disinfection device comprises a disinfectant storing box, a liquid discharging pipe, a pressure pump and an atomization device, wherein the disinfectant storing box is connected to the atomization device through the liquid discharging pipe, the pressure pump is disposed at the liquid discharging pipe, and the atomization device is disposed in the cleaning and disinfecting box. The washing device comprises a water tank, a heating device, a water supplying pipe, a pressure pump, a filter drum and a spraying device. The spraying device comprises a spraying pipe and spraying nozzles. The steam sterilization device comprises a heating device, a heating water tank, a steam chamber and a steam conveying pipe. The apparatus performs disinfection and sterilization by adopting a three-level sterilization manner and is good in sterilization effects and high in efficiency.

A steam on demand generator uses a stainless steel cup and cap arrangement and hollow cone spray nozzle. The nozzle directs a cone of water onto a wall of the cup. A heating device and a thermocouple are brazed to the cup, with the thermocouple positioned on a part of the wall to enhance control of the operation and steam generation.

The invention provides a fermentation preparation method for an edible fungus probiotics health-care drink. The method comprises the following steps: adding proper amounts of sugar, albumen powder, inorganic salt, gelatinized corn steep liquor, fruit juice and water to obtain a mixture, wherein edible fungus mycelium homogenate or fruiting body powder is used as a raw material, filing a fermentation tank with the mixture, performing steam sterilization, cooling, and fermenting according to the following stages: (1) introducing sterile air into the fermentation liquor, wherein the tank pressure is 0.04-0.08MPa, inoculating a bacillus subtilis seed solution, wherein the compression-ventilation ratio is 0.5-1.0, the temperature is 26-30 DEG C, the stirring rotating speed is 150-220r / min, and fermenting for 24-36 hours; (2) raising the temperature to 34-40 DEG C, wherein the stirring rotating speed is 180-260r / min, and ventilating and fermenting for 8-16 hours; (3) stopping ventilating, closing all connected valves on the fermentation tank, raising the temperature to 46-50 DEG C, wherein the stirring rotating speed is 200-250r / min, and fermenting for 5-10 hours; and (4) inoculating a lactic acid bacteria seed solution, wherein the temperature is 40-44 DEG C, the stirring rotating speed is 150-200r / min, fermenting for 4-6 hours, reducing the temperature to 30-35 DEG C, inoculating a bifidobacterium seed solution, wherein the stirring rotating speed is 100-180r / min, and fermenting for 6-10 hours, so as to obtain a viable type health-care drink containing bacillus subtilis and lactic acid bacteria after the fermentation is ended.