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266 results about "Treatment need" patented technology

Longitudinal minimal-invasion bone cutter for tubular bones

InactiveCN102860860AFor lateral tractionFacilitates longitudinal osteotomySurgeryTraction TreatmentPeriosteum
A longitudinal minimal-invasion bone cutter for tubular bones comprises a bone cutting end bone cutting device and far end positioning devices. The bone cutting end bone cutting device is slidingly sleeved on a positioning adjusting guide rail which is in a long-strip shape, a sliding groove is arranged in the middle of the positioning adjusting guide rail along the length direction, and scales of the positioning adjusting guide rail are arranged along the sliding groove. The far end positioning devices are symmetrically sleeved at two ends of the positioning adjusting guide rail slidingly. By means of the longitudinal minimal-invasion bone cutter, medical workers can perform longitudinal bone cutting operations on the tubular bones according to treatment needs, and the longitudinal minimal-invasion bone cutter is convenient to operate. When the operations are performed, the longitudinal minimal-invasion bone cutter provides convenience for transverse traction of bone blocks and meets needs of angiitis treatment. The bone cutting operations performed by the aid of the longitudinal minimal-invasion bone cutter belong to minimal-invasion operations, do not damage nerves, blood vessels, soft tissues and periostea, have small invasion, facilitate reconstruction and union of bones, and meet needs of longitudinal traction treatment of the tubular bones. By means of the longitudinal minimal-invasion bone cutter, safety and accuracy of the longitudinal bone cutting operations of the tubular bones are improved, medical workers can conveniently perform the operations, and the operation effect is guaranteed.
Owner:JIANGSU GUANGJI MEDICAL TECH

High-strength metal aluminide-containing matrix composites and methods of manufacture the same

(a) The metal matrix composite is suitable for the manufacture of flat or shaped titanium aluminide, zirconium aluminide, or niobium aluminide articles and layered metal composites having improved mechanical properties such as lightweight plates and sheets for aircraft and automotive applications, thin cross-section vanes and airfoils, heat-sinking lightweight electronic substrates, bulletproof structures for vests, partition walls and doors, as well as sporting goods such as helmets, golf clubs, sole plates, crown plates, etc. The composite material consists of a metal (e.g., Ti, Zr, or Nb-based alloy) matrix at least partially intercalated with a three-dimensional skeletal metal aluminide structure, whereby ductility of the matrix metal is higher than that of the metal aluminide skeleton. The method for manufacturing includes the following steps: (a) providing an aluminum skeleton structure having open porosity of 50-95 vol. %, (b) filling said skeleton structure with the powder of a reactive matrix metal, (c) compacting the aluminum skeleton/matrix powder composite preform by cold rolling, cold die pressing, cold isostatic pressing, and/or hot rolling, (d) consolidating the initial or compacted composite preform by sintering, hot pressing, hot rolling, hot isostatic pressing, and/or hot extrusion to provide, at least partially, a reaction between aluminum skeleton and matrix metal powder, and (e) diffusion annealing followed by any type of heat treatment needed to provide predetermined mechanical and surface properties of the resulting metal matrix composite. The combination of ductile matrix and metal aluminide skeletal structure results in significant improvement of mechanical properties of the composite material, especially hot strength. This high-strength aluminide-based material can also be used as a core component in multilayer metal matrix composites.
Owner:ADVANCE MATERIAL PRODS ADMA PRODS

Longitudinal minimal-invasion bone cutter for tubular bones

InactiveCN102860860BFor lateral tractionFacilitates longitudinal osteotomySurgeryLess invasive surgeryEngineering
A longitudinal minimal-invasion bone cutter for tubular bones comprises a bone cutting end bone cutting device and far end positioning devices. The bone cutting end bone cutting device is slidingly sleeved on a positioning adjusting guide rail which is in a long-strip shape, a sliding groove is arranged in the middle of the positioning adjusting guide rail along the length direction, and scales of the positioning adjusting guide rail are arranged along the sliding groove. The far end positioning devices are symmetrically sleeved at two ends of the positioning adjusting guide rail slidingly. By means of the longitudinal minimal-invasion bone cutter, medical workers can perform longitudinal bone cutting operations on the tubular bones according to treatment needs, and the longitudinal minimal-invasion bone cutter is convenient to operate. When the operations are performed, the longitudinal minimal-invasion bone cutter provides convenience for transverse traction of bone blocks and meets needs of angiitis treatment. The bone cutting operations performed by the aid of the longitudinal minimal-invasion bone cutter belong to minimal-invasion operations, do not damage nerves, blood vessels, soft tissues and periostea, have small invasion, facilitate reconstruction and union of bones, and meet needs of longitudinal traction treatment of the tubular bones. By means of the longitudinal minimal-invasion bone cutter, safety and accuracy of the longitudinal bone cutting operations of the tubular bones are improved, medical workers can conveniently perform the operations, and the operation effect is guaranteed.
Owner:JIANGSU GUANGJI MEDICAL TECH

Processing method for high-purity titanium sheet for coating titanium anode base material

Provided is a processing method for a high-purity titanium sheet for a coating titanium anode base material. O-stage sponge titanium with the average particle size being 3-25.4 mm is placed in an electron beam cold hearth and melted in a vacuum state so that a high-purity titanium slab can be obtained through purification; a hot coil which is 2.5-5 mm thick is manufactured through rolling of a steckel mill, and annealing is performed; shot blasting and pickling treatment need to be performed after annealing; the hot coil is placed on a reversible cold rolling machine to be subjected to many times of rolling; finally, a cold coil which is 0.5-2 mm thick can be obtained; the deformation rate is controlled to be 40-60% during each time of rolling; then the cold coil is subjected to degreasing treatment; then complete recrystallization annealing is performed in the vacuum state or the argon protection state, wherein the annealing temperature is controlled to be 600-720 DEG C and a titanium coil is obtained. As is detected, the average grain size of the titanium is controlled to be 15-30 microns, and the high-purity titanium sheet for the coating titanium anode base material is obtained after the titanium coil is straightened. The unevenness of the high-purity titanium sheet is smaller than or equal to 3 mm/m, and no strip-shaped flow direction lines exist after the high-purity titanium sheet is used as a coating.
Owner:LUOYANG SUNRUI TI PRECISION CASTING

Axial type inlet oil-water cyclone separator

The invention discloses an axial type inlet oil-water cyclone separator comprising a liquid inlet pipe section, a cyclone generation pipe section and a water outlet pipe section, which are sequentially connected, wherein the cyclone generation pipe section further comprises a cyclone pipeline and more than two diversion sheets which can be fixed and obliquely mounted in the cyclone pipeline, and the diversion sheets are uniformly distributed along the circumferential direction of the cyclone pipeline and sequentially superposed in the axial direction of the cyclone pipeline; when oil-water mixed flow liquid flows through the diversion sheets, a centrosymmetric cyclone field is formed and the centrifugal separation of oil and water in the cyclone field is further realized. The axial type inlet oil-water cyclone separator is an oil-water separation device utilizing the cyclone principle, the inner diameters of the liquid inlet pipe section and the water outlet pipe section are the same, only one section on a liquid collecting pipeline which needs the treatment needs to be cut off for mounting the separator, the pipe flow direction is not changed and the applicability is good; compared with a traditional gravity settling separation device, the treatment efficiency is obviously improved and the occupied space is smaller.
Owner:INST OF MECHANICS - CHINESE ACAD OF SCI

Non-contact type flexible explosion-proof method and non-contact type flexible explosion-proof device design method

The invention discloses a non-contact type flexible explosion-proof method and a non-contact type flexible explosion-proof device design method, and relates to the field of social public security andexplosive disposal. The structure destroying explosion-proof theory is adopted, and in the explosion-proof process, an explosion-proof device is broken up, crushed and flied apart to absorb explodingenergy; multiple nonmetal flexible materials are composited, during explosion-proof operation, an impact wave protection layer is placed on the side close to the explosive, impact wave strength generated by exploding is weakened, and exploding heat is absorbed; a fragment protection layer is placed on the periphery of the impact wave protection layer, impact wave strength is further weakened, andthe fragment speed generated by explosion is weakened; during structural design, on the basis of the design principle of temporal and spatial variation of explosive main loads and non-contact type treatment needs and on the basis of main load decomposing protection size design and the material positioning connection principle of non-secondary-additional-damage needs, the explosion-proof structureis high in explosion protection capacity, small in self weight, flexible in treatment manner, high in safety and free of secondary additional damage.
Owner:湖南艾尔防务技术有限公司

Method for hole-by-hole blasting explosion treatment of abandoned mined-out area

The invention discloses a method for hole-by-hole blasting explosion treatment of an abandoned mined-out area. The method comprises the steps that the dangerousness of the abandoned mined-out area is evaluated, the range of the abandoned mined-out area and explosion parameters are determined, and the treatment effect of the abandoned mined-out area is evaluated, specifically, the above rock thickness H of the abandoned mined-out area is smaller than or equal to the above rock thickness Hs of the abandoned mined-out area (namely H is smaller than or equal to Hs), the residual gap height of the abandoned mined-out area is larger than or equal to the product of the above rock thicknesses of the abandoned mined-out area and the rock hulking coefficient (namely Hk is larger than or equal to KsH), and explosion treatment needs to be carried out on the above rock of the abandoned mined-out area; according to the step of determining the range of the abandoned mined-out area, milling data are collected, the actual range of the abandoned mined-out area is surveyed and mapped, and drilling inspection is conducted; the hole-by-hole blasting explosion parameters are composed of adjusting hole net parameters, the charging constitution, the connection way and the blasting sequence; and the treatment effect of the abandoned mined-out area is verified by determining whether an expected effect is reached or not through comparison of the actually measured collapse depth with the theoretically calculated collapse depth.
Owner:ANHUI UNIV OF SCI & TECH

Method for preparing burdock granules for conditioning through combined even drying of radio frequency pretreatment and microwave pulse spouting

The invention relates to a method for burdock granules for conditioning through combined even drying of radio frequency pretreatment and microwave pulse spouting, belonging to the field of a fruit and vegetable food processing technology. The method comprises the steps of performing pretreatment (washing, unpeeling and slicing) on fresh burdocks, protecting color, pre-drying by radio frequency, drying through microwave pulse spouting and packaging; the color and the luster of a product are greatly improved after color protection, the radio frequency pre-drying treatment is only performed for 20 minutes, but hot air drying treatment for removing moisture on the surface is performed for 60 minutes, so that the method has short drying time and high efficiency; the sectional type microwave pulse spouting treatment only needs 60 minutes totally, while the complete hot air drying treatment needs 400 minutes, so that the drying time of the method is greatly shortened, and the drying is uniform; furthermore, a sample after microwave pulse spouting drying has strong fragrance; the method has the characteristics of having convenience in operation and high nutrition and safety, saving drying time and having low energy consumption.
Owner:NINGBO HAITONG FOOD SCI & TECH CO LTD +1

Farm waste water treatment method

The invention provides a sewage treatment method for farms, which comprises the following steps: sending the waste water from the farms into a sieve filter tank through a sewage pipe, sending the waste water after removing solid matter into a primary sedimentation tank through a lifting pump, and separating fine particles of waste water Enter the regulating tank, the wastewater in the regulating tank is sent into the UASB high-efficiency anaerobic tank through the lifting pump, and the effluent of the UASB high-efficiency anaerobic tank flows into the SBR tank for biological oxidation, and the mud-water mixture is exported, and the mud-water mixture is sent into the The secondary sedimentation tank separates the mud and water in it, sends the separated sludge into the sludge thickening tank, and discharges the clarified water; the clarified water is sent into the contact tank through the lifting pump, and ozone is used for disinfection, and the clarified water after the treatment of the contact tank Water is fed into facultative pools. The treatment method system in the present invention has low energy consumption and low operating costs; this scheme strengthens the effect of pretreatment and anaerobic treatment, so that the pollution is greatly removed before the aerobic treatment that requires energy consumption, thereby reducing the load of aerobic biochemical treatment and saving energy consumption.
Owner:佛山杰致信息科技有限公司

Radial stacking type friction-stir welding material adding forming process for large thick-wall ring part

Disclosed is a radial stacking type friction-stir welding material adding forming process for a large thick-wall ring part. A sheet-shaped thin-wall ring part single body is prepared through radial-axial hot rolling technology, and radial stacking type double-shaft friction-stir welding material adding forming of the thin-wall ring part single body is conducted through double-shaft friction-stir welding material adding forming technology. A welding wire used by welding needs to be preheated by a laser heater, and plasticizing of the welding wire during welding is convenient. Meanwhile, during welding, micro forging treatment needs to be conducted on plasticized metal through an ultrasonic vibration exciter, and the effect that the texture form of the metal forming a weld joint approximately completely forms a welding core is ensured. One week after welding is conducted along the weld joint, a keyhole is filled with the welding wire constantly, meanwhile, a stirring head is drawn out of a workpiece slowly, and thus welding of the first ring of thin-wall ring part single body is completed. Finally, radial stacking type friction-stir welding material adding forming of the thick-wall ring part is conducted. Through the radial stacking type friction-stir welding material adding forming process, the utilization rate of materials can be increased significantly, energy consumption is reduced, and the overall performance of the product is improved.
Owner:XI AN JIAOTONG UNIV

Achromobacter xylosoxidans with denitrification and dephosphorization function and application of Achromobacter xylosoxidans

The invention relates to application of Achromobacter xylosoxidans with a heterotrophic nitrification-aerobic denitrification and dephosphorization function in wastewater treatment. The Achromobacter xylosoxidans can metabolize by using organic carbon as a unique carbon source and using ammonia nitrogen as a unique nitrogen source and can directly convert the ammonia nitrogen into gas products through the action of heterotrophic nitrification-aerobic denitrification so as to achieve the aim of denitrification, can also take nitrate nitrogen as a unique nitrogen source and convert the nitrate nitrogen into gas products through the action of aerobic denitrification, and can further ingest inorganic phosphorus and convert the inorganic phosphorus into a tissue of the Achromobacter xylosoxidans under an aerobic condition so as to achieve the aim of removing phosphorus from wastewater. The Achromobacter xylosoxidans are applied to the wastewater treatment, the simultaneous removal of nitrogen and phosphorus can be achieved under the single aerobic condition, and the difficult problem that the biological denitrification and dephosphorization in the traditional wastewater treatment need to adopt the segmented treatments of anaerobic phosphate release, anoxic denitrification and aerobic nitrification and phosphorus absorption, is better solved, so that the Achromobacter xylosoxidans have broad application prospects.
Owner:PEKING UNIV

Building floor cement outer wall construction machine with functions of automatic grinding and cement fiber plate mounting

The invention relates to a building floor cement outer wall construction machine with functions of automatic grinding and cement fiber plate mounting. The building floor cement outer wall constructionmachine comprises a moving platform, a grinding and scribing device and a face plate mounting device. The grinding and scribing device is mounted at the front end of the moving platform, and the faceplate mounting device is mounted at the left end of the moving platform. The problems that in the existing cement fiber plate mounting process, grinding and scribing of an outer wall and mounting ofa face plate need to be conducted manually; during grinding and scribing of the outer wall, grinding and scribing treatment needs to be conducted by people with the help of a ladder, when the next position is ground, people needs to carry the ladder manually and then climb onto the ladder again for working, and therefore, the process is tedious and complicated; during mounting of the face plate, cooperation division of multiple people is needed, the difficulty of cooperation of multiple people is high, and when multiple people work on the same ladder, the falling-down accident is likely to occur, and consequently potential safety hazards are caused can be solved, and the functions of automatic grinding of the cement outer wall and fixed mounting of the face plate can be achieved.
Owner:黄正秀

Ultrasound collection and treatment control system and image acquisition method thereof

The invention discloses an ultrasound collection and treatment control system and an image acquisition method thereof. The system comprises a treatment head and a type-B ultrasound probe which can rapidly revolve 360 degrees around the probe axis and is used for acquiring a primary section image and orthogonal section images. A rotation driving component for driving the type-B ultrasound probe to revolve around the probe axis is adopted; a collection control module is adopted to control a type-B ultrasound probe rotating component of an ultrasound treatment device to acquire an image of any angle from 0 degree to 360 degrees (particularly two orthogonal images); the two images are displayed in a three-dimensional manner on a screen, and an HIFU ((High Intensity Focused Ultrasound)) focal points and sound channels are drawn in a three-dimensional window, so as to provide safe auxiliary diagnosis for doctors. A treatment efficacy judgment module is adopted to judge treatment efficacy according to comparison of the orthogonal images of two angles before and after treatment. The judgment results are the basis for automatically controlling the treatment process and judging whether the treatment is effective and whether the treatment can be stopped, or judging whether a danger exists and the treatment needs to be stopped or interrupted.
Owner:CHONGQING HAIFU MEDICAL TECH CO LTD
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