176results about How to "Achieve loading" patented technology

A stent comprising a plurality of annular elements aligned in the longitudinal direction of extension of the stent and selectively expandable between a radially-contracted condition and a radially-expanded condition as well as a series of connecting elements that extend in the longitudinal direction of extension of the stent to connect the annular elements. The annular elements and the connecting elements are made, respectively, of non-biodegradable material and of biodegradable material. The structure of the stent thus comprises a part of non-biodegradable material, destined to remain long-term at the site of implantation, and a part of biodegradable material, destined to disappear within a longer or shorter period after implantation.

The invention discloses a transcatheter-implanted aortic valve device, comprising: a valve stent; valve leaflets fixed in the valve support; an inner skirt and an outer skirt are peripherally fixed to the inner and outer sides of the valve support; the inflow end of the valve support is of lower flared structure composed of a plurality of diamond structures; three connection claws required to load the valve stent are arranged at the tail end of the lower flared structure; a plurality of positioning structures extended up and out are arranged in the middle of the valve support, close to the outer side of an inflow end portion; a plurality of pored straight rod connection structures are arranged in the middle of the valve stent close to the outflow end portion; the positioning structures for the valve stent are used for limiting a position at the aortic valve ring where the valve stent is replaced in; the outflow end of the valve stent is of upper flared structure composed of a plurality of large-mesh diamond structures; the large-mesh diamond structures are distributed evenly so that the valve support is kept coaxial and stable to a vessel in the ascending aorta.

The invention relates to a planer multiple degree of freedom controllable loading mechanism. The raise-rise arm of the loading mechanism is a planer single degree of freedom controllable mechanism, wherein one end of the raise-rise arm is hinged on the chassis, and the other end is hinged a bucket; and a bucket rollover mechanism is linked between the bucket and the chassis. By using the invention, the problem that the hydraulic system of the traditional hydraulic loading machine has high demand on parts and short service life and leaks oil, etc can be solved.

The invention provides an aortic valve device conveyed by a catheter. The aortic valve device comprises a main support, wave leaflets and a skirt. The valve leaflets are fixed to the inner side of the middle of the main support. The skirt is fixed along the periphery of the inner side of the main support and fixed to the valve leaflets. An upper horn mouth structure in a three-valve form is formed by the upper end of the main support. Three circular connection jaws used for loads of the main support are arranged at the tail end of the horn mouth structure. A lower horn mouth structure used for reducing outward expanding of perivalvular leakage is arranged at the bottom end of the main support. Three lower end circular connection jaws are arranged at the lower end of the lower horn mouth structure. The aortic valve device further comprises a positioning ring located on the lower side of the main support and used for conducting positioning. The positioning ring comprises three V-shaped or U-shaped arc sections. The ends of the V-shaped or U-shaped arc sections are connected to form an annular shape. Three positioning circular connection jaws are formed at the ends. The lower end circular connection jaws are connected with the corresponding positioning circular connection jaws through flexible positioning lines respectively.

The invention relates to the technical field of vision inspection devices and particularly relates to a vision inspection device convenient assembly and disassembly of a tray. The vision inspection device comprises a rack, a Z-axis mechanism and a horizontal movement mechanism, wherein the Z-axis mechanism is provided with a camera; the horizontal movement mechanism is provided with a tray clamp; the tray clamp comprises a clamp body arranged on the horizontal movement mechanism; the clamp body is provided with a containing cavity; the front side edge and an adjacent edge of the front side edge of the containing cavity are respectively provided with a front pressing strip and a side pressing strip which are detachable; one side edge of the clamp body is provided with a screw hole in which a screw is installed; both the front pressing strip and the side pressing strip are provided with a through hole; the screw is in threaded connection with the screw hole after penetrating through the through hole; the screw is sleeved with a spring; one end of the spring pushes against the end part of the through hole; and the other end of the spring pushes against the head part of the screw. The vision inspection device can be used for not only assembling and disassembling an IC (integrated circuit) tray rapidly, but also calibrating the position of the IC tray conveniently, and the vision inspection device is simple in structure and strong in practicability.

The invention discloses a method for loading siRNA (small interfering Ribonucleic Acid) by using mesoporous silicon dioxide nanoparticles. In the method, the siRNA is induced into a pore cannel of the mesoporous silicon dioxide nanoparticles, so that loading of the siRNA is realized, and the loading capacity of the siRNA in the particles can be adjusted. The invention has the advantages: siRNA molecules are prevented from being separated from the pole canal under the condition of physiological environment; the surfaces of the loaded nanoparticles can be further decorated; and the method has a good application prospect.

The invention discloses an aortic valve membrane device conveyed through a catheter. The aortic valve membrane device comprises a support frame, valve leaflets fixed on the inner side of the middle of the support frame and skirt edges which are fixed in the periphery of the inner side of the support frame and fixed with the valve leaflets, wherein the upper end of the support frame is of a three-valve type upper horn mouth structure, three circular connecting claws used for loading of the support frame are arranged at the tail end of the upper horn mouth structure, exposed circular-arc-shaped positioning rods which extend in the bottom end direction of the support frame are arranged on the outer side of the middle of the support frame, and a lower horn mouth structure used for reducing outward expansion of perivalvular leakage is arranged at the bottom end of the support frame.

The invention provides a method of plane load balancing and optimization. According to the method of the invention, load optimization combination is carried out according to a loading balancing and optimization criterion, the placing position of a cargo loading unit, and in a corresponding loading process, the cargo centre-of-gravity position after placement is controlled in a designed and required range. When the embodiment of the invention is executed, on the premise of meeting boy gravity center requirements in the case of flight, influences of the cargo loading layout on bending moment and torque borne by the body are fully considered, the cargo placement rationality is ensured, the flight safety is ensured, and the maximum cargo loading amount is realized.

The invention provides a fixing system of a cargo transporting carriage and the cargo transporting carriage. The fixing system comprises a doorway area floor and a non-doorway area floor which are positioned in the cargo transporting carriage, wherein a plurality of first rolling mechanisms and a plurality of turnover and limiting mechanisms are arranged on the doorway area floor; a plurality of second rolling mechanisms, a plurality of second turnover and limiting mechanisms, a plurality of side limiting mechanisms and a plurality of end limiting mechanisms are arranged on the non-doorway area floor. By adopting the technical scheme, the fixing system has the advantages that on the basis of guaranteeing the safe and reliable transportation, the cargos can be loaded, transported and fixed within the minimum time; compared with the traditional cargo transporting method, the cargo transporting efficiency is greatly improved, and the cost is effectively reduced.

The invention relates to a pH/reduction dual sensitive hydrophilic copolymer drug carrier as well as a synthesis method and application thereof. S,S'-bis(alpha, alpha'-dimethyl-alpha''-acetic acid) trithiocarbonate is taken as a chain transfer agent, RAFT (reversible additive fragment transfer) polymerization is carried out on N-t-butyloxycarboryl propylene hydrazine, N-(3-dimethylamine propyl) methacrylamide and N-hydroxymethyl acrylamide in two steps, reaction is carried out on hydroxyl on N-hydroxymethyl acrylamide and methoxyl polyethylene glycol at an isocyanic acid esterification end, polyethylene glycol is connected by virtue of a disulfide bond, and the target product, namely pH/reduction dual sensitive hydrophilic copolymer drug carrier, is obtained after a protecting group is removed. The pH/reduction dual sensitive hydrophilic copolymer drug carrier can load adriamycin and a gene drug at the same time; meanwhile, a hydrophilic polyethylene glycol shell can protect gene substance, long circulation is realized, a disulfide bond connected with polyethylene glycol is beneficial to escape of endosome of drug-carrier, the copolymer after being loaded with a drug can be self assembled into nanomicelle in water, bioavailability of the drug can be improved, and toxic and side effects can be reduced. The copolymer synthesis method provided by the invention has the advantages that molecular weight of each segment and quantity of polyethylene glycol segments can be flexibly adjusted and reaction conditions are mild.

The present invention relates to a truck (1) having a lifting device (9) and a towing device (20), the lifting device includes a movable load bearing implement (11) having a fork-shaped load handling attachment (14). The invention is to provides a truck, by which article transport and material circulation may be performed with low cost in simple manner. According to the invention, the load handling attachment (14) has at least one load segment (14b) which is mounted so that it can be pivoted around an essentially horizontal pivoting axis (15). In one embodiment of the invention, the towing device (20) is located in the vicinity of the lifting device (9).

The invention discloses a geographic information processing method based on a point source and a device. The invention realizes the data organization directly facing spatial solid targets and the interaction of spatial data with different sizes and times and states. The technical proposal is as follows: the method comprises the following steps that: an input is received to determine a point source target, an inputted spatial data source is received; an input is received to determine a data model of the point source target, extraction radius and extraction way corresponding to each point source in each layer of the spatial data source determined by the data model of the point source target are received; point data are generated on the basis of the extraction radius and the extraction way of each layer corresponding to each point source to generate the minimum point source data set corresponding to each point source; the minimum point source data sets are organized and stored to form a point source database; on the basis of the point source database, the minimum point source data sets are adopted to process the geographic information. The invention is applicable to the geographic information analysis field.

The invention discloses a method for synchronously realizing preparation of an organic microgel and packaging of a material. The organic microgel prepared in the invention is a micro-structure material with a cross-linking membrane formed by a multi-mercapto surfactant as a shell and a gel-state oil phase loaded with a hydrophobic material as a core. The preparation method for the organic microgel comprises a step of carrying out high-intensity ultrasonic radiation on the oil phase containing a micromolecular organic gelling agent and the hydrophobic material and on a water phase containing the multi-mercapto surfactant, so preparation of the organic microgel and packaging of the hydrophobic material are realized synchronously. The method provided by the invention is rapid, simple, highly efficient and environment-friendly; raw materials are widely available; and the method has strong packaging capability and can be used for loading of a plurality of hydrophobic materials. Moreover, the mercapto cross-linked structure of the shell of the organic microgel and the temperature-control phase-change structure of the core of the organic microgel can improve the stability of the packaged material, and thus, the application value of the organic microgel as a material carrier is further improved.

The invention relates to an asphaltum automatic group valve device of vehicular equipment, which consists of an asphaltum loading discharge group valve, an asphaltum condition group valve, a connecting pipeline, a spraying arm, an asphaltum tank, an asphaltum filter and an asphaltum pump, wherein, the asphaltum loading discharge group valve comprises an asphaltum discharge valve and an asphaltum loading valve, the asphaltum condition group valve comprises an asphaltum minor cycle return valve, an asphaltum transfer valve, an asphaltum major cycle return valve, an asphaltum exhaust valve and a bypath valve; through the technic proposal of the invention, a plurality of condition works can be realized efficiently under a computer procedure control and the operation can be more flexible and convenient by being matched with conduction oil heating in a conduction oil piping under the satisfied vehicle situation and compact structure conditions; a plurality of working circulations and spraying methods can be obtained through a computer formulation setting by users with simple structure, high standardization level and prolonged service life.

The invention discloses a digital factory logistics warehouse which comprises a logistics warehouse, multiple inlets and multiple outlets; multiple inlets and multiple outlets are connected with the logistics warehouse; the logistics warehouse comprises multiple digital coding warehouses and lanes which are arranged at the peripheries of the digital coding warehouses respectively and are connectedwith the inlets and the outlets respectively; the inlets and the outlets are provided with traffic management and control devices and bar code recognition devices respectively; the traffic managementand control devices and the bar code recognition devices are connected with a warehouse server; the warehouse server is connected with a dynamic information sending device, a dynamic information receiving device and the digital coding warehouses; each digital coding warehouse is provided with a goods trolley; and each goods trolley is provided with a bar code scanning device. The digital chemicalfactory logistics warehouse provided by the invention can effectively perform management on warehouse flows and spaces, realizes batch management, rapid storage and retrieval and dynamic inventory check, rapidly helps a logistics manager of an enterprise perform operations, including storage, retrieval, movement, inventory check and burdening, on stock articles and thus performing overall controland management.

The invention discloses a tunneling method capable of weakening hard rock strength. According to the method, a tunneling machine, an integrated grinding jetting drilling machine with the tunneling machine as a carrier, and a high-pressure water pump are arranged on a tunneling working surface; the integrated grinding jetting drilling machine is adopted to form drilled holes in a rock body, and a series of conical crack clusters are formed through cracking cutting on the basis of hole drilling; a high-pressure hole sealing device is used for sealing the tunneling surface for a distance, the high-pressure hole sealing device is communicated with a high-pressure water pump through a water inlet pipe, the characteristic that the rock body is resistant to pressure but not resistant to drawing is utilized, the conical crack clusters in the rock body are expanded to form a dense conical crack net, and therefore the rock strength is weakened; a tunneling machine cutting head is adopted to cutthe rock which has an internal conical crack net, the tunneling efficiency is greatly improved, the service life of the tunneling machine can be prolonged, and the tunneling cost is reduced.

The invention discloses a composite control method of demand preview business. The composite control method comprises the following steps: (a) collecting and arranging the business structure level information, the application architecture level information and the data model level information of a large scale system; (b) establishing a mapping relation among the business structure level information, the application architecture level information and the data model level information to form a business functional entity which is stored in a resource library as business nodes; (c) selecting the business nodes in the resource library into a business process display drawing, adding, combining or deleting the business nodes and carrying out rapid one-button interface storage to form an independent business component; (d) freely combining different business components to realize visual preview for business demands, and evaluating the workload of new demands. The business structure level information, the application architecture level information and the data model level information are stored in a unified mode in the business nodes, the visualization and componentization of the business functional entity are realized, and the different business components are freely combined, so that the function preview of new demands and the evaluation of developed workload are realized.

The invention provides an antibacterial hydrogel with controllable released nano silver ions and a preparation method thereof. The preparation method comprises the following steps: 1, mixing modifiednano silver-loaded microspheres and a modified gelatin solution to form a prepolymer solution, adding a photoinitiator into the prepolymer solution, and uniformly mixing them; 2, putting the solutionobtained in the step 1 in a mold, carrying out photocrosslinking gelation under an ultraviolet light source to obtain the antibacterial hydrogel. The prepared hydrogel with controllable released nanosilver ions can effectively improve the toxic effect of the nano silver particles on tissue cells and achieve long-acting antibacterial and bacteriostatic functions, thereby promoting complete tissuerepair and regeneration.

The invention relates to a magnetic targeting dual-drug-carrying delivery system and a preparation method thereof, and belongs to the technical field of biomedical materials. The magnetic targeting dual-drug-carrying delivery system is prepared by the following steps: 1, preparing hollow and mesoporous ferritenanoparticles (HMFNs) through a one-step hydrothermal method; 2, injecting hydrophobic drug molecules into an HMFNs cavity through a vacuum injection and dynamic crystallization combination method or a supercritical fluid technological measure; 3, adding the hydrophobic drug molecule-carrying HMFNs into a hydrophilic drug solution, and performing treatment, thus preparing the hydrophobic drug and hydrophilic drug dual-drug-carrying delivery system. The HMFNs provided by the invention are relatively high in saturation magnetization and can enter a targeting part under the guide action of an outer magnetic field. Furthermore, the HMFNs are further high in biocompatibility, and the inner cavity structures of the HMFNs are favorable for loading of hydrophobic drugs; shells of the HMFNs are rich in hydroxyl groups and are favorable for adsorption of hydrophilic drugs; meanwhile, the variety of the hydrophobic drugs and the hydrophilic drugs can be selected according to a requirement; the magnetic targeting dual-drug-carrying delivery system has good application prospect.