254results about How to "Increase anchorage" patented technology

Methods, systems, devices and kits for performing lung volume reduction in patients suffering from chronic obstructive pulmonary disease or other conditions using and comprising minimally invasive instruments introduced through the mouth (endotracheally) to isolate a target lung tissue segment from other regions of the lung and reduce lung volume. Isolation is achieved by deploying an obstructive device in a lung passageway leading to the target lung tissue segment. Once the obstructive device is anchored in place, the segment can be aspirated through the device. This may be achieved by a number of methods, including coupling an aspiration catheter to an inlet port on the obstruction device and aspirating through the port. Or, providing the port with a valve which allows outflow of gas from the isolated lung tissue segment during expiration of the respiratory cycle but prevents inflow of air during inspiration. In addition, a number of other methods may be used. The obstructive device may remain as an implant, to maintain isolation and optionally allow subsequent aspiration, or the device maybe removed at any time.

The invention relates to a device for the removal of foreign bodies and thrombi from body cavities and blood vessels using a guide wire provided with a distal element with said distal element being provided with an orthogonal structure.

The present invention provides improved methods, systems, devices and kits for performing lung volume reduction in patients suffering from chronic obstructive pulmonary disease or other conditions where isolation of a lung segment or reduction of lung volume is desired. The methods are minimally invasive with instruments being introduced through the mouth (endotracheally) and rely on isolating the target lung tissue segment from other regions of the lung. Isolation is achieved by deploying an obstructive device in a lung passageway leading to the target lung tissue segment. Once the obstructive device is anchored in place, the segment can be aspirated through the device. This may be achieved by a number of methods, including coupling an aspiration catheter to an inlet port on the obstruction device and aspirating through the port. Or, providing the port with a valve which allows outflow of gas from the isolated lung tissue segment during expiration of the respiratory cycle but prevents inflow of air during inspiration. In addition, a number of other methods may be used. The obstructive device may remain as an implant, to maintain isolation and optionally allow subsequent aspiration, or the device may be removed at any time.

A PSA laminate is provided comprising at least one non-adhesive laminate and at least one tackifier layer; wherein the non-adhesive laminate comprises at least one facestock layer and at least one adhesive base layer; wherein the facestock layer comprises at least one facestock material; wherein the adhesive base layer comprises at least one adhesive base polymer; wherein the tackifier layer comprises at least one tackifier; wherein the tackifier composition is not a PSA; and wherein the tackifier layer is applied to the adhesive base layer side of the non-adhesive laminate to produce the PSA laminate. Processes for producing the PSA laminate are also provided as well as articles comprises the PSA laminates.

An expandable stent for insertion into a body lumen has a generally cylindrical lattice structure formed from wall segments that intersect and with some of the intersections being interrupted to enhance the flexibility of the stent. The wall segments associated with the interrupted portions are formed to have an outward flare such that when the stent is in a curved configuration, the wall segments will not project radially inwardly into the stent lumen, thereby avoiding obstruction to flow through the lumen.

A steel fiber (10) for reinforcement of high-performance concrete or mortar has a length ranging from 3 mm to 30 mm, a thickness ranging from 0.08 mm to 0.30 mm, and a tensile strength greater than 2000 MPa. The steel fiber is provided with anchorages (12,24) the dimension of which in a direction perpendicular to the longitudinal axis of the steel fiber is maximum 50% of the thickness. These anchorages provide an effective staying in the high-performance concrete without influencing the mixability of the steel fibers in a negative way.

A femur fixture for a hip-joint prosthesis comprising an intraosseous anchoring structure of a generally circular cross-section for screwing laterally into a complementary bore drilled laterally into the neck of a femur after resection of the femur head to an anchored position. The intraosseous anchoring structure has a proximal end, a distal end, a relatively short frusto-conical proximal section at the proximal end, and a proximal cylindrical section having a screw thread profile thereon. The proximal cylindrical section extends from the frusto-conical proximal section towards the distal end of the anchoring structure. The frusto-conical proximal section and the proximal cylindrical section each being dimensioned so as to bear against the cortex of the femur neck when the intraosseous anchoring structure is in the anchored position. The invention also relates to a set of such femur fixtures, wherein the frusto-conical proximal section and the proximal cylindrical section of each fixture in the set have different dimensions, whereby the fixture in the set having the frusto-conical proximal section and the proximal cylindrical section of correct size for abutting the cortex of the femur neck of a particular patient can be selected for use in that patient.

The invention relates to a slope self-drainage anchor rod and a construction method. The self-drainage anchor rod comprises a hollow anchor pipe, an anchorage device, a cushion plate and a siphon, wherein one end of the hollow anchor pipe is open, the other end of the hollow anchor pipe is closed, the hollow anchor pipe is wrapped in a filter screen, threads are arranged at the open end of the hollow anchor pipe, water-pervious holes are formed in the rear middle of the hollow anchor pipe, the rear segment of the hollow anchor pipe and a slurry outlet pipe are perpendicularly connected, the end of the slurry outlet pipe is sleeved with a sleeve valve and a geotextile bag, and on the two sides of the slurry outlet pipe, the geotextile bag is clamped and fixed to the hollow anchor pipe through hoops; the lower side of the hollow anchor pipe is obliquely placed in a slope, the relative height difference between the pipe opening of the hollow anchor pipe and the pipe bottom of the hollow anchor pipe is kept smaller than 7 m, pulp solidifies in the geotextile bag and is anchored in stable soil, and the front segment of the hollow anchor pipe is anchored to the cushion plate through the anchorage device; a water suction pipe of the siphon is inserted in the hollow anchor pipe and stretches to the bottom, the water suction pipe is connected with a drainage pipe and a balance water outlet device through connector bent pipes on the slope, and a water inlet of the water suction pipe is as high as a water outlet of the balance water outlet device. The slope self-drainage anchor rod is simple in structure, can achieve anchoring and draining at the same time and is good in drainage effect, easy and convenient to construct and low in manufacturing cost.

An anode for the electrowinning of aluminium by the electrolysis of alumina in a molten fluoride electrolyte has an electrochemically active integral outside oxide layer obtainable by surface oxidation of a metal alloy which consists of 20 to 60 weight % nickel; 5 to 15 weight % copper; 1.5 to 5 weight % aluminium; 0 to 2 weight % in total of one or more rare earth metals, in particular yttrium; 0 to 2 weight % of further elements, in particular manganese, silicon and carbon; and the balance being iron. The metal alloy of the anode has a copper / nickel weight ratio in the range of 0.1 to 0.5, preferably 0.2 to 0.3.

The invention provides a novel expansion shell inverted wedge type grouting anchor rod comprising an anchor rod body, an expansion shell type anchoring head, an inverted wedge type outer sleeve, a transmission ring, a grouting blocking plug, an anchoring base plate and nuts. The anchor rod is characterized in that the expansion shell type anchoring head and the anchoring base plate are located at two ends of the anchor rod body and are fixed through the nuts, the inverted wedge type outer sleeve is sleeved outside of the anchor rod body, the bottom of the transmission ring is arranged in the inverted wedge type outer sleeve, and the top end of the transmission ring contacts the expansion shell type anchoring head. The anchor rod body is a hollow metal rod element provided with left-hand threads. The expansion shell type anchoring head is small-end-up and provided with a flap-shaped structure which can open at a certain angle in an expansion mode, and can form barbs invertedly piercing in a rock body when stressed and expanded. The surface of the inverted wedge type outer sleeve is provided with inverted wedge type grooves in the annular direction. The novel expansion shell inverted wedge type grouting anchor rod has the advantages of being fast in anchoring, easy to install, capable of grouting and the like, facilitates mechanical construction, and has good anchoring effects on soft, expanded and cracked surrounding rock.

A multifunctional tunneling machine comprises a cantilever tunneling machine, an arching mounting machine, an onboard jumbolter and an onboard wet spraying machine, wherein the arching mounting machine is arranged above the front part of the cantilever tunneling machine; the onboard jumbolter and the onboard wet spraying machine are both arranged on the side surface of the cantilever tunneling machine. When used for tunneling, the multifunctional tunneling machine performs mechanized operation, simplifies the mounting process of a steel arching, accelerates the anchoring processes of anchor rods or anchor cables, improves the concrete spray quality, and reduces the quantity and labor intensity of operating personnel. Moreover, the multifunctional tunneling machine is ideal tunneling equipment which is advanced in design, simple in structure, convenient to operate, high in operation efficiency, safe and reliable.

The invention provides a vacuum drainage anchor rod and a construction method thereof. The anchor rod is composed of an anchoring system and a vacuum drainage system; a thread is arranged at the frontend of each hollow anchor pipe, the middle rear part of each hollow anchor pipe is connected with a slurry outlet pipe, water permeable holes are formed in each hollow anchor pipe which is wrapped bya filter screen, a rubber sleeve valve and a geotextile bag sleeve an opening of each slurry outlet pipe, and each geotextile bag is clamped in the corresponding hollow anchor pipe through a hoop; the hollow anchor pipes are obliquely arranged in a slope, pressure grouting is conducted on the interior and the periphery of the front end of each hollow anchor pipe, and the hollow anchor pipes are anchored on backing plates through anchorage devices; a controller and a vacuum pump are installed outside the slope; moisture meters are embedded in the slope and connected with the controller; waterabsorbing pipes penetrate through sealing covers and are inserted into the hollow anchor pipes, connected with a drain pipe through sealing joints and connected with the vacuum pump; the controller and the vacuum pump are switched on, pumping starts to be conducted, a negative pressure zone is formed in each hollow anchor pipe, and the water in the slope enters a water suction pipe and then is discharged out of the slope. Accordingly, the structure is simple, anchorage and drainage can be achieved simultaneously, a good effect is achieved, construction is easy, and the manufacturing cost is low.

Double-sided adhesive tape (fixer) which can be re-released without residue or destruction for hidden bonding on substrate that are to be bonded, with high peel strength, high shear strength and high tip-shear strength, characterized by a) an intermediate support which cleaves under the action of torsional forces, lever forces and / or peel forces, b) pressure-sensitive adhesive composition coated on both sides of the intermediate support, which composition can be released without residue or destruction by stretching in the direction of the bond plane.

The invention discloses a gob-side entrydriving coal pillar anchor cable through reinforcing method. A drilled hole is punched in a coal pillar in a down trough of an upper zone, a preset anchor cable is arranged in the drilled hole, concrete spraying layer spraying, thin hole pattern mounting, bar-mat reinforcement mounting and anchorage tray mounting are sequentially carried out on the side, punched with the drilled hole, of the coal wall, and a tapered end of the outer end of the anchor cable is fixed to an anchorage tray. After an up trough of a lower zone is tunneled, the preset anchor cable in the drilled hole of a new-tunneled roadway is lengthened, finally the same working procedure is executed, and the anchorage work is completed. The length of the preset anchor cable in the anchor cable drilled hole is smaller than the width of the coal pillar, and the length of the anchor cable drilled hole is larger than the width of the coal pillar. According to the lengthening process of the preset anchor cable, two segments of the anchor cable can be lengthened through a connecting device, or a telescopic anchor cable can be adopted, or a flexible and bendable anchor cable can be adopted. According to the coal pillar anchor cable through reinforcing method, the anchorage effect is obvious, and the stability of the coal pillar can be effectively ensured.

The present invention relates to a cement jacket for a cemented artificial joint stem, wherein shear force detrimental to the service life of an artificial joint can be markedly reduced while the compressive force beneficial for the strengthening of the bone is significantly increased and stress shielding phenomena which makes the bone resorbed can also be markedly relieved, due to the construction of the cement jacket which can be fixed within the bone canal and can enclose the surface of the stem so as to allow for the artificial joint stem to slide vertically relative to the bone, and wherein the osteolysis of a femur due to the infiltration of wear particle can be minimized by curbing the gap formation between the femur and the stem. According to the invention, there is provided a cement jacket 10 for an artificial joint stem 21 for enclosing at least a part of the cemented artificial joint which is inserted longitudinally in the opening formed in the bone canal of a human body. The cement jacket 10 may be made of all cement, or the inner surface of said jacket of cement is coated with a plastic film 12 having a high resistance to abrasion. The cement jacket itself could be reinforced by imbedded wire or fiber. And preferably the outer surface of said cement jacket 10 is formed with discharging paths 13 in the longitudinal direction, so that excessive cement paste poured into the bone canal previously for the surgical purpose can be easily discharged upward at the time of inserting the jacket. (FIG. 2).

The invention discloses a cast-in-site column with a column cap and a construction method. The cast-in-site column comprises a concrete column body and reinforcements embedded in the column body, and is characterized in that the column cap is arranged at a joint of the end of an external precast superposed beam on the column body; the width of the section of the column cap is larger than that of the section of the column body; and the end of the precast beam is supported by the column cap. By adoption of the technology, the section of a core section area of a beam column joint can be enlarged, so that the shear-bearing capacity of the joint is greatly improved, and the joint is not damaged prior to a member during an earthquake.

The invention relates to a method for applying bletilla striata polysaccharide to a hemostatic material. In the prior art, the hemostatic material is used by directly grinding bletilla tuber into powder, so that the method has the disadvantages of much impurity, incapability of controlling the effective content and inconvenience for use. According to the method disclosed by the invention, orchid, namely a dry bletilla tuber product, is dissolved and extracted by adding water and precipitated and dried by using ethanol to form coarse powder; the method has the advantages of non-complex extraction method, low cost, high effective content, less impurity and good hemostatic effect; after being processed, the coarse powder can be made into products, such as a sponge type material, a hemostatic tooth plug and the like; and the method is widely applied to medicine and biomedical engineering.

The invention relates to a photo-curing composition for tooth, with belongs to the field of preparation for dentistry. The object of the invention is to solve the problem that the abrasion resistance and obdurability of photo-curing dentistry compound resin material for filling tooth cavity is needed to be improved urgently. The composition provided by the invention comprises the following components, in mass percentages, nano inorganic powder treated by surface modification with silicone hydride coupling agent 20-85%; resin monomer such as bisphenol A glycidyl methacrylate 8%-70%; fluidifying agent such as triethylene glycol dimethacrylate 5%-25%; photoinitiator such as camphorquinon 0.25%-2%; coinitiator such as 2-(dimethylamino)ethyl methacrylate 0.5%-3%; the main point of the invention is the nano inorganic powder contains flaky alumina granules 10-80 wt.% based on its own weight. Flaky alumina granule component in the composition provided by the invention contributes to improve abrasion resistance and obdurability of photo-curing material.

The invention provides a bridge deck wet joint structure adopting T-head steel bars and a construction method of the bridge deck wet joint structure. The bridge deck wet joint structure comprises a plurality of precast concrete bridge decks erected on girders; a plurality of T-head steel bars are pre-buried in the precast concrete bridge decks at the sides close to wet joints; the extending partsof the T-head steel bars are T-head anchoring ends; the T-head anchoring ends between two adjacent precast concrete bridge decks are arranged in a staggered mode; projections of the corresponding T-head anchoring ends have overlapped length; and wet joint concrete is cast in the wet joints in situ, so that two adjacent precast concrete bridge decks can be connected into a whole. The construction method of the bridge deck wet joint structure comprises the steps of pre-burying the T-head steel bars, casting concrete, performing hoisting in place, casting wet joint concrete and the like. The bridge deck wet joint structure simplifies the construction steps, obviously reduces the great welding workload caused by the traditional design, reduces the construction cost, reduces the influence on the existing traffic, improves the construction efficiency, and has wide application prospects.

The invention relates to a formula and a preparation method for a high gloss color ink-jet printing paper coating. According to the method, 100 parts of pure water, 50-60 parts of nano-silica, 5-10 parts of a cationic color fixing agent, 3-6 parts of a 10% polyvinyl alcohol aqueous solution, 1-3 parts of an acrylic emulsion, and 0.5-1 part of a defoamer are subjected to preparation processing and coating. The color ink-jet printing paper prepared according to the formula and the preparation process provided by the invention not only has high gloss, high ink absorbency high color reducibility, high color density, high resolution, high pull-out capacity and other characteristics, but also has stable formula, the product qualification rate reaches over 95%, 24h uninterrupted coating production can be realized, and the production efficiency and product qualified rate are improved. Thus, the formula and the preparation method are suitable for wide popularization and use.

The present invention relates to a bone screw comprising a screw body comprising a proximal end, a distal end, a longitudinal axis and a thread along all or a portion of said screw body; a screw head; a through bore extending coaxially through said screw head and through said screw body from the proximal end up to the distal end; at least three blind channels angularly-disposed around the bore; each of said channels being configured to receive a perforated catheter or a needle; a plurality of radially-disposed fenestrations; wherein each of said channels is connected to an exterior of said screw body through at least one fenestration; and flexible directing means secured to the screw head. The present invention also relates to a system comprising such bone screw, to a method of delivering a substance to an intervertebral disc using the system according to the invention and to a method of treating vertebral tumor using the system according to the invention.

The invention provides a cotton T400 moisture-absorbing quick-drying non-ironing elastic mixed fabric and a finishing process thereof, which relates to introduction of a novel raw material T400 of cotton fabrics and a finishing process thereof. The finishing process comprises the following steps of desizing and then adopting concentrated caustic soda for mercerization, wherein the temperature of setting liquid is 100 DEG C; components in the setting liquid are 70g / l of resin, 35g / l of strength protecting agent, 50g / l of easy-decontamination finishing agent and 21g / l of catalyst; the damp containing rate after setting is 8.5 percent; the baking temperature is 160 DEG C; and the baking time is 3 minutes. The finishing process utilizes the concentrated caustic soda to treat cotton / T400 fiber, thereby expanding cotton fiber molecule, increasing luster, improving appearance, improving the fixation force of anti-ultraviolet finishing agent, increasing washing resistance, endowing the T400 with elastic function, high water absorption and high moisture removing property.

A hanger for supporting joists or beams in insulated concrete formwork (ICF) systems has two parallel side plates having inner and outer sections, plus an L-shaped support member comprising a horizontal leg extending between the lower edges of the outer sections of the side plates, and an upward-extending vertical leg which demarcates the inner and outer side plate sections. The inner sections of the side plates are passed through slits in one insulation panel of an ICF wall-forming system, until the support member's vertical leg abuts the outer face of the insulation panel, leaving the side plate inner sections extending partially into the formwork cavity. The joist or beam to be supported may be set on the horizontal leg of the support member either before or after the concrete wall is cast. Preferably, an cut-out is made in the insulation panel behind the vertical leg of the support member to allow concrete to flow against the vertical leg and the supported joist or beam is cut for a close fit against the vertical leg, such that external horizontal loads on the wall can pass into the joist or beam by direct compression.

The invention provides a light shale brick and a production method of the light shale brick. The light shale brick is characterized by comprising the following raw materials in percentage by weight: 60% of shale, 20 to 35% of organic matter flammable accessory, 5 to 20% of other accessories, and 50 to 60% of water at 40 to 45 DEG C; the production method comprises the steps of crushing the shale, adding the water, the organic matter flammable accessory and other accessories into the shale powder; uniformly agitating; preparing into blanks; parching the blank; roasting at 950 to 1,150 DEG C; and keeping for 8 to 12 hours so as to obtain the product; the other accessories are prepared by mixing 87.5% to 90% of shell and 10 to 12.5% of aluminum powder based on mass percentage, or prepared by mixing 87.5 to 90% of shell and 10 to 12.5% of iron powder; and the organic matter flammable accessory is the powder of one or the mixture of any two of saw dust, plant straw, urban garbage, fallen leaves, couch grass, shrub, firewood, branch and wood dust. The light shale brick provided by the invention has the advantages of heat preservation, heat insulation, fire proofingness, cracking prevention, sound insulation, low self weight, high anchoring performance, low cost, and light weight.

The invention relates to a socket and spigot type pipeline connector with an anchoring structure. The socket and spigot type pipeline connector with the anchoring structure is used for continuous nodular cast iron pipes. By means of the socket and spigot type pipeline connector, anchoring reliability can be improved, structural service life can be prolonged, pipeline maintaining cost can be reduced, optimization and simulation of the connector structure can be performed easily, and pipeline transporting capacity is improved. The socket and spigot type pipeline connector comprises a socket, a spigot and a sealing piece which is arranged between the socket and the spigot and used for sealing and locking the pipeline connector. The socket comprises an annular groove which is formed by sequentially connecting a first annular vertical wall, a conical wall, a cylindrical inner wall and a second annular vertical wall in a defined manner. The sealing piece comprises an elastic material ring and a plurality of anchoring pieces embedded in the elastic material ring. Each anchoring piece comprises a head and a plurality of meshing teeth. Each anchoring piece is provided with a rotating circle center. The portion, connected with the annular groove in an abutting manner, of each head is an arc supporting face. The abutting joint area of each arc supporting face and the annular groove is located on the joint of the first annular vertical wall and the conical wall.

The invention relates to a vane type multipoint displacement meter anchor head which is used for measuring of a soft soil layer rich in underground water. The vane type multipoint displacement meter anchor head comprises a middle shaft rod, an outer cylinder, a bottom disc and a cross frame. The outer cylinder is arranged on the outer portion of the middle shaft rod. The bottom disc is connected with the middle shaft rod and the cross frame respectively. The multipoint displacement meter anchor head further comprises a blade popup component, an adhesion component and an anchor fixing blade. The blade popup component is connected with the middle shaft rod, the outer cylinder and the cross frame. The adhesion component is connected with the outer cylinder and the anchor fixing blade respectively. The anchor fixing blade is a vane type blade, and a hollow structure is arranged on the back of the anchor fixing blade. The anchor fixing blade is connected with the bottom disc through a spiral button which is provided with a torsional spring in a sleeved mode. The torsional spring is connected with the cross frame and the anchor fixing blade respectively. Compared with the prior art, the vane type multipoint displacement meter anchor head has the advantages of being suitable for soft soil, simple in structure, low in self weight, firm in anchor fixing and the like.