40results about How to "High intrusion performance" patented technology

Endoscopic devices and methods used for fastening multiple tissue layers, such as, for example, an endoscopic fundoplication procedure, are disclosed. The device may include, for example, an elongated tubular member having a proximal end for extending outside of the body and a distal end for positioning proximate the multiple tissue layers, a grasper configured for positioning proximate the distal end of the tubular member and for grasping at least one of the multiple tissue layers, a device coupled to the distal end of the tubular member for folding the multiple tissue layers together, a tissue fastener configured to be inserted into the tissue layers to hold the tissue layers together, and a fastener head for inserting the tissue fastener into the tissue layers.

The present invention relates to devices, and methods for using the devices, to create and secure a tissue fold during an endoluminal medical procedure. The devices and methods may be used for folding and securing, for example, a fundus wall onto an esophagus wall or esophageal tissue in the region of the lower esophageal sphincter (LES) to reduce the diameter of the esophagus opening in that region. One aspect of the invention includes forming the tissue fold by closing a grasping arm that is pivotably connected to an overtube that has been positioned at the juncture of the fundus wall and esophagus wall. A further aspect of the invention includes tissue clips configured to be inserted and positioned through an endoluminal device.

A device comprising a planar integrated circuit that includes an array of electrodes and at least one nanostructure, having a major axis, in electrical contact with at least one electrode. The device forms an interface between an integrated circuit platform and electro-physiologically active cells and is used in manipulate the same.

The present invention relates to devices and methods for creating and securing a tissue fold during an endoluminal medical procedure. The devices and methods may be used for folding and securing, for example, a fundus wall onto an esophagus wall. An aspect of the invention includes a two-piece tissue clip configured to be installed through an endoluminal device to secure a tissue fold. The clip includes a female member and a male member configured to engage one another to secure the tissue fold. Another aspect of the invention includes a clipping device comprising a tissue clip magazine. The magazine is configured to hold a plurality of tissue clips and install the plurality of tissue clips in a single actuation of the magazine. A method for using the clipping device together with the tissue clips of the present invention to create and secure a fold of tissue during an endoluminal procedure also is disclosed.

A method and system may manage the driver's attention while driving. The driver may be driving using an autonomous driving system or limited-ability autonomous driving system. A method may detect, by a sensor, characteristics of a driver; determine, based on the detected characteristics of the driver, whether the driver exercises sufficient supervisory control of the vehicle; and provide a series of one or more prompts, wherein each prompt's intrusiveness is related to the determination of whether the driver exercises sufficient supervisory control of the vehicle.

The invention discloses a double-surface filling composite film containing fluorine and chlorine conductive macromolecules and a preparation method thereof. The double-surface filling composite film containing the fluorine and chlorine conductive macromolecules comprises a micropore film framework and fluorine and chlorine containing conductive macromolecules, more than 60% of double surfaces of the micropore film framework are filled with fluorine and chlorine containing conductive macromolecule resin, the mechanical strength is high, the waterproofness, the oil resistance and the pollution resistance are relatively high, and the film can meet the requirements of higher water resistance and poisonous and harmful chemical invasion resistance and higher moisture-penetrability; the film has convenience and high water and poisonous and harmful chemical resistance, is comfortable, keeps warm and can improve the fighting capacity of soldiers greatly when applied to biochemical protective clothing; when the film is applied to fuel cells, the electric conductivity is high so that better electrical performance is obtained, and the fuels such as hydrogen or ethyl alcohol can be burnt and utilized relatively thoroughly.

The invention relates to a high-quality textile dyeing mechanism, which includes a frame, a transmission roller rotatably mounted on the frame, a spraying and dyeing assembly fixedly arranged above the transmission roller, and a rotatively mounted frame located on both sides of the transmission roller The cloth guide roller and the driving assembly that drives the transmission roller to carry out gray cloth transmission also include a smear assembly that is located on one side of the transmission roller and moves along its outer circumference. The first connecting rod connected to the driving assembly, the second connecting rod connected to the other end of the first connecting rod in rotation, the third connecting rod connected to the second connecting rod at one end and installed on the second connecting rod The smearing roller at the other end of the three connecting rods; the greige cloth is pre-dyed, dyed and polished, and then reciprocated on the conveying roller by the smearing roller to achieve wrinkle removal, color fixation and uniform dyeing of the greige cloth. The technical problems of uneven dyeing and easy fading in the background technology.

The invention discloses a fluorine-containing and chlorine-containing conductive macromolecule single-side-filled composite film and a preparation method thereof. The fluorine-containing and chlorine-containing conductive macromolecule single-side-filled composite film material comprises a micropore film framework and fluorine-containing and chlorine-containing conductive macromolecules, wherein more than 85 percent of pores of a single side of the micropore film framework are filled with fluorine-containing and chlorine-containing conductive macromolecule resin; the physical mechanical strength is high; the waterproof, oil-proof and anti-pollution performance is high; the film can meet the requirements of resisting water and preventing toxic and hazardous chemicals from invading; the performance is high; the moisture permeability is higher; when the composite film is applied to biochemistry protection clothing, the effects of light weight, portability, high protection performance on the water and the toxic and hazardous chemicals, comfort and heat insulation are achieved, and the fighting capacity of soldiers can be greatly improved; when the composite film is applied to fuel cells, the electric conductivity is high, so that the obtained electric performance is good, and fuels such as hydrogen gas or alcohols can be completely burnt and utilized.

A drug carrier and an ultrasound apparatus used in combination therewith for releasing a drug. The drug carrier undergoes a reversible phase change from liquid to gas upon ultrasound irradiation, so that the presence of the drug can be detected with a diagnostic apparatus without causing the spilling of the encased drug. The drug carrier includes a drug that is contained in a mixture of a poorly water-soluble substance having a boiling point of 37° C. or lower and a poorly water-soluble substance having a boiling point of higher than 37° C., which mixture is further encapsulated by a membrane of amphipathic substance.

The invention discloses anti-flow cementing slurry for well cementation, which comprises the following components by weight: 100 parts of cement, 0.2-3.5 parts of salt-resisting retarder, 0.1-0.2 part of defoaming agent, 6-30 parts of high-temperature strength stabilizing agent, 28-80 parts of water and 4.5-18 parts of gas-channeling preventing agent, wherein the weight of the cement is taken as the standard; the retarder adopts high polymer taking acrylamide as molecular main chain; polyether is taken as the defoaming agent; the high-temperature strength stabilizing agent adopts micro-silicon or amorphous silicon dioxide with the purity being larger than 95 %; and the anti-flow agent adopts ketone resin modified by acrylic acid. The anti-flow cementing slurry for well cementation has better combination property than that of the prior art and especially has high anti-flow capability.

A security device includes an impact sensing unit for sensing an impact, a sound pressure sensing unit for sensing a sound pressure, an abnormal degree determination unit for determining an abnormal degree based on a level of an impact sensing signal sensed by the impact sensing unit and a level of a sound pressure sensing signal sensed by the sound pressure sensing unit, and an alerting process unit for performing a predetermined alerting process based on a determination result of the abnormal degree by the abnormal degree determination unit.

The invention provides a water-soluble medicinal fertilizer containing a strong-antagonism anti-rice blast bacterial strain, a preparation method and application of the medicinal fertilizer. The medicinal fertilizer is prepared from the following constituents in parts by weight: 55-85 parts of an HR (Hypersensitive Response) antibiological inoculant, 10-30 parts of polyglutamic acid, and 5-15 parts of a plant cell stabilizer, wherein the HR antibiological inoculant comprises bacillus subtilis-w3 with an effective viable count of 7.0-9.0*10<9> cfu / g. The medicinal fertilizer disclosed by the invention can achieve a good biological control effect on rice blast, banded sclerotial blight and the like, significantly promotes growth of the rice, increases number of productive ears, setting percentage and thousand seed weight of the rice, and remarkably improves the vegetable yield and the quality.

A test apparatus includes a biopsy needle for sampling a biopsy specimen. The biopsy needle includes a specimen holder that holds the sampled biopsy specimen, and an optical window disposed in the specimen holder and configured to allow optical detection. A biopsy specimen held by the specimen holder of the test apparatus is measured by using a third-order nonlinear Raman microscope.

The present invention relates to compositions and methods for identifying, assessing, preventing, and treating cancer and modulating immune responses using SLNCR isoforms.

The invention provides a gel plugging agent for an oil-based drilling fluid, and a preparation method thereof. The plugging agent comprises, by mass, 3-5 parts of an oil-in-water surfactant, 5-15 parts of oil, 2-4 parts of sodium bentonite, 8-12 parts of a crosslinking agent, 24-36 parts of a gelling agent, 0-1 part of a retarder, 5-15 parts of a reinforcing agent, 5-10 parts of a weighting agentand 100 parts of water. An excess amount of the oil-in-water surfactant and a small amount of the oil are added to the gel plugging agent to make the gel plugging agent has excellent resistance to oilintrusion, and are further combined with the sodium bentonite, the crosslinking agent, the gelling agent and the retarder to form the chemical gel plugging agent with a strong plugging property, anddifferent gelling time and strengths can be selected according to different leakage characteristics and leakage formation needs.

A method for simulating the neuroinflammatory response in brains comprising the steps of providing a microfluidic device for regulating microgliosis comprising a base, a central chamber located on the base, a size-exclusive barrier surrounding the central chamber, an annular chamber outside the barrier, a plurality of selective cellular migration channels connecting the annular chamber to the central chamber, a central reservoir in fluid communication with the central chamber and side reservoirs in fluid communication with the annular chamber; providing a camera to record the microfluidic device and cells, culturing a plurality of microglial cells within the central or annular chamber, culturing a plurality of a second cell type within the annular or central chamber, adding a chemoattractant to the central chamber and recording the microfluidic device for a period of time to record the morphogenesis of activated cells in the annular chamber and migration across the barrier.

The invention discloses a green, environmentally-friendly, waterproof, antibacterial and mildew-resistant decoration coating and a preparation method thereof. The decoration coating comprises, by weight, 30-40 parts of polyamine resin, 15-25 parts of butyl acrylate, 10-16 parts of polyvinyl alcohol, 4-8 parts of a modified nano-additive, 8-10 parts of ore powder, 2-4 parts of a mildew inhibitor, 1-3 parts of a botanical bactericide, 4-6 parts of hollow ceramic microbeads, 2-4 parts of reinforced fibers, 1-3 parts of titanium dioxide, 5-7 parts of a flame retardant additive, 6-9 parts of a processing enhancing additive and 18-24 parts of deionized water. The coating has the advantages of excellent hydrophobic and impermeable performances, good film forming performance, smooth and fine surface, certain sterilizing, bacterium-killing and mildew-resisting effects, realization of greenness and environmental protection due to the use of the botanical antibacterial and mildew-resistant additives, safe and reliable raw material components, no toxic or harmful volatile substances, low cost, simple process, high practical values and good application prospect.

Provided in the invention is a double-faced OLED display device comprising a first display element, a second display element, a first packaging layer, and a second packaging layer. The first display element is arranged above the second display element and the light-emitting directions of the first display element and the second display element are opposite; the first packaging layer is arranged above the first display element; and the second packaging layer is arranged below the second display element. The first display element and the second display element are in a closed packaging mode by the first packaging layer and the second packaging layer; and the first packaging layer and the second packaging layer are closed and fixed by a sealing part. According to the invention, the first packaging layer and the second packaging layer carry out integrated packaging on the display elements, so that the packaging structure becomes simple; and the performance of moisture entrance prevention is good.

The invention discloses a cross cutting PDC drill bit and a design method, and belongs to the field of rock breaking tools for drilling equipment for petroleum and natural gas, mine engineering, building foundation engineering construction, geology, hydrology and the like, the cross cutting PDC drill bit comprises a drill bit body and a fixed cutting structure fixedly connected to the drill bit body, and a first set of cutting teeth is arranged on the fixed cutting structure; the drill bit further comprises a movable cutting structure with a second group of cutting teeth, an axial reciprocating motion generator and a transmission mechanism, and the movable cutting structure is driven by the axial reciprocating motion generator and the transmission mechanism; and the second group of cutting teeth on the movable cutting structure also generate reciprocating change of the radial position while doing circumferential motion along with the drill bit body. When the drill bit rotatably drills in a well, the cutting motion tracks of the first group of cutting teeth and the second group of cutting teeth on the well bottom are mutually crossed, so that crossed cutting is realized, and the rock breaking efficiency and the invasion capability of the drill bit are improved.

The invention discloses anti-flow cementing slurry for well cementation, which comprises the following components by weight: 100 parts of cement, 0.2-3.5 parts of salt-resisting retarder, 0.1-0.2 part of defoaming agent, 6-30 parts of high-temperature strength stabilizing agent, 28-80 parts of water and 4.5-18 parts of gas-channeling preventing agent, wherein the weight of the cement is taken as the standard; the retarder adopts high polymer taking acrylamide as molecular main chain; polyether is taken as the defoaming agent; the high-temperature strength stabilizing agent adopts micro-silicon or amorphous silicon dioxide with the purity being larger than 95 %; and the anti-flow agent adopts ketone resin modified by acrylic acid. The anti-flow cementing slurry for well cementation has better combination property than that of the prior art and especially has high anti-flow capability.

The present invention relates to devices, and methods for using the devices, to create and secure a tissue fold during an endoluminal medical procedure. The devices and methods may be used for folding and securing, for example, a fundus wall onto an esophagus wall or esophageal tissue in the region of the lower esophageal sphincter (LES) to reduce the diameter of the esophagus opening in that region. One aspect of the invention includes forming the tissue fold by closing a grasping arm that is pivotably connected to an overtube that has been positioned at the juncture of the fundus wall and esophagus wall. A further aspect of the invention includes tissue clips configured to be inserted and positioned through an endoluminal device.

A test apparatus includes a biopsy needle for sampling a biopsy specimen. The biopsy needle includes a specimen holder that holds the sampled biopsy specimen, and an optical window disposed in the specimen holder and configured to allow optical detection. A biopsy specimen held by the specimen holder of the test apparatus is measured by using a third-order nonlinear Raman microscope.

The invention discloses a connector housing and a connector and belongs to the field of connector structure. The connector housing includes a housing and a first protective door structure. The first protective door structure includes a slide rail disposed in a receiving chamber, and a slide stopper disposed on the slide rail. The slide stopper slides along the slide rail between a first initial position and a first end position. The first protective door structure is disposed in the connector housing and comprises the slide rail and the slide stopper. The slide rail is disposed in the receiving chamber along a butting direction vertical to the connector. The slide stopper can be slidably disposed on the slide rail. The slide stopper shields a current-end connection core when sliding to the first initial position, and exposes the current-end connection core when sliding to the first end position. Thus, it is impossible to expose the current-end connection core by pushing the slide stopper inwardly along the butting direction of the connector so that the current-end connection core is less likely to be exposed in the absence of the butting, thereby improving the dustproof performance of the connector.

The claimed invention provides therapeutic as well as protective measures against colorectal cancer by utilizing genetically modified gut bacteria (101) in conjunction with an optimized diet high in cruciferous vegetable intake. According to the claimed system and method, engineered gut bacteria maximize the therapeutic value of the cruciferous vegetable diet to eradicate, offset or prophylactically prevent the onset of colorectal cancer. In the claimed invention gut bacteria Escherichia coli bind specifically to the heparan sulphate proteoglycan on colorectal cancer cells to secrete the enzyme myrosinase to transform host-ingested glucosinolates which are natural components of cruciferous vegetables to sulphoraphane, an organic small molecule with known anti-cancer activity.

The invention discloses a double-surface filling composite film containing fluorine and chlorine conductive macromolecules and a preparation method thereof. The double-surface filling composite film containing the fluorine and chlorine conductive macromolecules comprises a micropore film framework and fluorine and chlorine containing conductive macromolecules, more than 60% of double surfaces of the micropore film framework are filled with fluorine and chlorine containing conductive macromolecule resin, the mechanical strength is high, the waterproofness, the oil resistance and the pollution resistance are relatively high, and the film can meet the requirements of higher water resistance and poisonous and harmful chemical invasion resistance and higher moisture-penetrability; the film has convenience and high water and poisonous and harmful chemical resistance, is comfortable, keeps warm and can improve the fighting capacity of soldiers greatly when applied to biochemical protective clothing; when the film is applied to fuel cells, the electric conductivity is high so that better electrical performance is obtained, and the fuels such as hydrogen or ethyl alcohol can be burnt and utilized relatively thoroughly.

The invention provides a PDC drilling head with a dynamic stress interference principle. The PDC drilling head comprises a drilling head body and at least two cutter wings, wherein the cutter wings and the drilling head body are fixedly connected or are molded integrally, the drilling head is provided with mixed cutting units composed of PDC teeth and impact teeth, the PDC teeth and the impact teeth in the mixed cutting units are arranged on two adjacent cutter wings correspondingly, the impact teeth can generate impact motions, in the mixed cutting units, the positional relation between the PDC teeth and the impact teeth is constructed to be in the peripheral direction formed by drilling head rotating, the PDC teeth are arranged behind the impact teeth, furthermore, the range of the distance D between the PDC teeth and the impact teeth is that the D is larger than or equal to d and less than or equal to 4d, and the d is the diameter of the PDC teeth. By means of the PDC drilling headwith the dynamic stress interference principle, the problems of the poor cutting tooth intrusion ability, the low rock breaking efficiency and the short drilling head working life in hard formation drilling of the drilling head can be solved.

The invention discloses a fluorine polymer white opaque mixture for making special warfare protective microporous films, which is characterized in that the fluorine polymer white opaque mixture is prepared through the following process, including: first Molecular weight polytetrafluoroethylene copolymer dispersion resin emulsion, polyurethane emulsion and polyfluorinated alkyl acrylate emulsion, with the dry weight of (60%~80%):(15%~25%):(5%~15%) Specific blending, and then diluting the blend with deionized water to form a blended emulsion with a solid content of 10-20%, and then stirring at a high speed to break the emulsion, coagulate, and dry to obtain the special fluorine polymer white opaque mixture. Then the mixture is blended with lubricating oil, and after an expansion process, a special fluorine protective microporous film is obtained, which has high physical and mechanical strength, high pressure rebound rate, waterproof, oil resistance, and high pollution resistance. The porous film can meet the application requirements of higher performance of waterproofing and preventing the intrusion of toxic and harmful liquids, higher air permeability and moisture permeability, and better sealing effect at the sewing line. When it is applied to special combat uniforms, it is light and has high protection performance against water and toxic and harmful liquids, comfortable, warm and breathable, which can greatly enhance the combat effectiveness of soldiers.

The invention discloses a water-tree-resistant crosslinked polyethylene insulating material which is prepared from the following raw materials in parts by weight: 80-110 parts of low-density polyethylene, 6-8 parts of water-tree-resistant master batch, 0.7-0.9 part of an antioxidant, 2.2-2.8 parts of a crosslinking agent, 0.8-1 part of an assistant crosslinking agent and 2-3 parts of a compatibilizer, and the melt flow index of the low-density polyethylene is 1.9-2.3 g / 10min. The sorbitol and the ethylene-acrylic acid copolymer are added into the formula of the crosslinked polyethylene insulating material according to a certain mass ratio, so that the water molecule invasion resistance of the crosslinked polyethylene insulating material is improved, and the effect of resisting water tree formation of the insulating material is remarkable, therefore, the crosslinked polyethylene insulating material is excellent in insulating property and good in safety performance during molding application, and the service life of the crosslinked polyethylene insulating material is also prolonged.