475results about How to "Improve bite" patented technology

An intravascular flow restrictor comprises a braided tubular structure designed to be placed in the main pulmonary artery for limiting blood pressure in the lungs. The braided structure is designed to be collapsed for placement in a delivery catheter but when ejected from the delivery catheter, assumes a substantially larger diameter disk shaped device having one or more longitudinal channels or passways therethrough.

A system and method that reduces the perceptual effect resulting from ear occlusion is disclosed. It comprises of an electro-acoustic feedback network that produces phase cancelling sounds in the ear, where a receiver and a microphone are located. A novel control mechanism is disclosed that controls the response of the feedback network to minimise distortion in the ear while maintaining a desired frequency response for external signals. Devices producing the external signal include hearing aids, personal sound devices, in ear monitors, communications headsets and hearing protectors. The integration of the present invention with these devices improves the user's perception of their own voice.

Disclosed is a computer-implemented method of using a dynamic virtual articulator for simulating occlusion of teeth, when performing computer-aided designing of one or more dental restorations for a patient, where the method comprises the steps of:providing the virtual articulator comprising a virtual three-dimensional model of the upper jaw and a virtual three-dimensional model of the lower jaw resembling the upper jaw and lower jaw, respectively, of the patient's mouth;providing movement of the virtual upper jaw and the virtual lower jaw relative to each other for simulating dynamic occlusion, whereby collisions between teeth in the virtual upper and virtual lower jaw occur;wherein the method further comprises:providing that the teeth in the virtual upper jaw and virtual lower jaw are blocked from penetrating each other's virtual surfaces in the collisions.

The present invention relates to an orthopedic screw having a torque driving head with spherical surface for multiaxial use, a self starting, self tapping insertion tip and a threaded portion including a modified cancellous thread. The threaded portion has a major diameter defined by a spiraling thread and a minor diameter. The head is joined to the threaded portion by an area of from about 2 to about 6 turns of the thread along the longitudinal axis in which the minor diameter tapers by an angle of from about 4 to about 12° and the major diameter of the screw remaining substantially the same meaning that the major diameter is constant to about + / −0.05 mm along the length of the threaded portion. The screw includes a multilobe torque driving recess joined to a cylindrical recess that corresponds to a cylindrical post on the torque driver so as to form a press fit which acts to self-center the screw, to help avoid stripping of the screw / driver interface and to hold the screw in place on the torque driver prior to implantation. In a further embodiment, the screw includes a variable pitch portion for about half of the length starting from the distil end. The screw can be used be itself, or with a plate. Further a new method of using the screw with a plate is presented in which the screw extends through a cortical section of bone into a cancellous portion but not through the adjacent cortical.

A system and method that reduces the perceptual effect resulting from ear occlusion include an electro-acoustic feedback network that produces phase canceling sounds in the ear, where a receiver and a microphone are located. A control mechanism controls the response of the feedback network to minimize distortion in the ear while maintaining a desired frequency response for external signals. Devices producing the external signal include hearing aids, personal sound devices, in ear monitors, communications headsets and hearing protectors. The integration of the above with these devices improves a user's perception of their own voice.

The invention discloses a refrigerator and an assembly method thereof. The refrigerator comprises a refrigerator body, an evaporator, a fan and an intermediate air channel component, the intermediate air channel component comprises a main body, an upper cover plate and a lower cover plate, the upper cover plate is arranged on the upper surface of the main body, a first air outlet and a first air inlet which are spaced from each other are formed on the upper cover plate, a plurality of first fastening portions which are spaced along a front and back direction are disposed on both the left side and the right side of the upper cover plate, the lower cover plate is disposed on the lower surface of the main body, an air channel and a foam space are limited and separated among the upper cover plate, the lower cover plate and the main body, a second air inlet and a second air outlet which are spaced from each other are formed on the lower cover plate, a plurality of second fastening portions which are spaced along a front and back direction are disposed on both the left side and the right side of the lower cover plate, and the air channel is communicated with a first room via the first air outlet and the first air inlet, and is communicated with a second room via the second air inlet and the second air outlet. In the refrigerator of an embodiment of the invention, the air channel is sealed, air is not easy to leak, performances are stable, and production cost is low.

A catnip-filled toy (10) which may be caused to roll, spin, rock, wobble, and slide when manipulated by the paw of a cat. The device (10) has a convex hub (12). Extending axially from the hub (I 2) are two hollow reservoirs (14) that may be filled with catnip (24). The convex hub (12) and catnip reservoirs (14) are circular in shape when seen in side elevation from an end view, so as to allow the device (10) to roll freely upon any smooth surface (30). The hub is larger in circumference than the reservoirs for continuous rolling of the toy on the hub. In the preferred embodiment of the device (10), the reservoirs (14) are elongated axially beyond a hemispherical shape. The catnip reservoirs (14) have openings (20) through which the catnip (24) may be filled, emptied, and refilled and have a plurality of small holes (22) through which the scent of the catnip (24) inside may emanate outside. The holes (22) are small enough to substantially contain finely cut catnip (24). The catnip reservoirs (14) are attached by screwing together a male threaded portion (26) and female threaded portion (28). The reservoirs may be detached by unscrewing the threaded portions (26, 28). In an alternative embodiment (110) only one of the reservoirs (114) is elongated axially beyond a hemispherical shape. Another alternative embodiment of the device (210) may include yarn, feathers, or other similar soft material (232) extending from, and attached to, the outer ends of the catnip reservoirs (214).

The present invention discloses devices, systems and methods for increasing blood pressure in a blood vessel by introducing an anchor within that traps a particle capable of increasing in volume as it is exposed to blood flow. As the particle increases in volume, it serves to decrease the cross sectional area of the blood vessel, resulting in decreased blood flow and increased blood pressure. This invention may be used to arterialize blood vessels in the venous system to prepare them for an exposure to arterial pressures.

A luminal occlusion device comprises a tension member, an elongate shaft, and a flat film having an axial receptacle which is received over a distal portion of the tension member. The flat film has proximal and distal ends which are attached to the distal ends of the tension member and the elongate shaft, respectively. Thus, distal advancement of the tension member relative to the shaft will cause the flat film to assume a low profile configuration, while proximal retraction of the tension member relative to the elongate shaft will cause the flat film to assume a foreshortened, compacted configuration. The film usually includes one or more radioopaque markers which help shape the compacted film.

The invention relates to an underground continuous wall construction technique of multi-spindle long spiral drill pipe occluding pile, which belongs to deep foundation and underground continuous wall construction technique and is suitable for construction of deep foundation maintenance walls in civil engineering and deep foundation of buildings. In the construction technique, a plurality of long spiral drill pipes (3) are adopted, wherein continuously spiral blades are arranged along the whole length of the outer walls of the drill pipes, and the drill pipe cores are hollow. During work, a drive set (2) drives the long spiral drill pipes (3) to carry out drilling operation simultaneously in such a way that two adjacent drill pipes rotate in opposite directions, so that large-caliber and large-depth construction is realized; and the spiral blades of adjacent long spiral drill pipes rotate in opposite directions so that the spiral blades can occlude each other in the whole length all the time to effectively ensure the constructing quality of the buildings. The invention can reduce the use level of steel products, effectively reduces the cost of the engineering and only discharges dry soil during the construction so as to be beneficial to the spot management of the construction and achieve environmental-friendly construction.

Disclosed is a computer-implemented method of using a dynamic virtual articulator for simulating occlusion of teeth, when performing computer-aided designing of one or more dental restorations for a patient, where the method includes the steps of: providing the virtual articulator including a virtual three-dimensional model of the upper jaw and a virtual three-dimensional model of the lower jaw resembling the upper jaw and lower jaw, respectively, of the patient's mouth; providing movement of the virtual upper jaw and the virtual lower jaw relative to each other for simulating dynamic occlusion, whereby collisions between teeth in the virtual upper and virtual lower jaw occur; wherein the method further includes: providing that the teeth in the virtual upper jaw and virtual lower jaw are blocked from penetrating each other's virtual surfaces in the collisions.

A bit for removing a broken fastener comprises a tip from which extend two or more notches separated by traction or biting surfaces formed from two-sided frusto-conically-shaped regions. The surfaces are bounded on one side by a nonlinear cutting edge and on the other side by a non-cutting edge and are configured to cut into the fastener when the bit is rotated in a direction opposite to the fastener's direction of engagement. Specific embodiments include configurations where the cutting edges extend at different angles with respect to the bit axis, where the biting surfaces comprise a plurality of serrations, and where the cutting edges are separated by flutes which spiral along a longitudinally extending periphery of the bit.

A thermoplastic polyester resin is fed into a twin extruder, wherein a resin is heated for melting, thereby removing moisture in the resin by evacuating and sucking from a vent port thereof, injecting a foaming agent into the resin to which is pushed out as a foaming sheet and, after that, forming the foaming sheet which is divided into a forming body and a trimming loss, whereby the trimming loss is crushed to obtain crushed materials which are provided so as to put the materials into the twin extruder as collection materials and recycle them.

An occluding device designed for occlusion of fluid flow through a body cavity is disclosed. The device comprises a coil having a proximal portion and a distal portion extending longitudinally from the proximal portion. The coil has an initial tension along the distal and proximal portions and is configured have a general helical shape in an expanded state. The device further comprises a first set of fibers attached to the coil and extending therefrom for occlusion of the body cavity. The device further comprises a second set of fibers attached to the coil at a plurality of areas longitudinally along the coil, defining an occlusion sail disposed longitudinally along the coil at the plurality of areas therealong. The second set of fibers is configured have the general helical shape when the coil is in the expanded state for enhanced occlusion of the body cavity.

The invention discloses a double-component acrylate structure adhesive for bonding electrophoretic coating materials and a preparation method of the structure adhesive, belonging to the technical field of adhesives. The structure adhesive is prepared by mixing a component A with a component B according to a volume ratio of 10 : (0.1-2), wherein the component A comprises acrylate monomers, acrylic resin, strongly acidic monomers, non-polar rubber, flexible rubber, non-polar organic particles, an accelerator, a stabilizer and paraffin; the component B comprises an initiator, a plasticizer, a thickener and pigment. The structure adhesive can be used for effectively bonding and quickly curing electrophoretic coatings, is high in stripping strength and shear strength, and has the characteristics of being convenient to apply, good in room-temperature storage stability and the like; the bonding surface destruction form is cohesive failure of an adhesive layer.

An adjustable dental device for use with a CPAP system in the treatment of sleep apnea and snoring is comprised of an upper bite block, a lower bite block having one or more tongue retainers, means for adjustably connecting the upper bite block to the lower bite block, and means for connecting the dental device to a CPAP system. The adjustable dental device is compatible with a variety of CPAP systems, including systems that utilize nasal inserts and systems that utilize a nasal mask.

Two-dimensional materials having apertures in their basal planes are described, where at least a portion of the apertures are occluded with a selectively introduced occluding moiety. Occluding moieties that pass into apertures function to occlude apertures. Composite membranes are described having a porous substrate with a two-dimensional material disposed on the membrane and covering only a portion of the pores, wherein at least a portion of uncovered substrate pores are occluded. Pore occlusion can be achieved by introduction of an occluding particle optionally followed by chemical reaction, deformation or swelling of the particle to facilitate occlusion of pores. Two-dimensional materials covering substrate pores can be size-selected and optionally functionalized providing for selective permeability through composite membranes. Methods for occluding defects and apertures in two-dimensional materials and for selectively occluding pores in composite membranes are provided. Selectively occluded materials and membranes are useful in filtration and other applications.

A device and method for treating a patient with total or near total occlusion is provided. The device can be positioned in a blood vessel at a treatment site. An occlusion at the treatment site is enlarged by a catheter. The catheter can be advanced over a guidewire into the occlusion. One or more of [a] compression or torsion applied to the guidewire or [b] compression or torsion applied to the catheter body expands or creates a path through the occlusion. The expansions or creation of the access path can be by cutting or abrading the occlusion or by a shoe-horn effect.

The invention discloses a non-fried miscellaneous grain instant noodle and a production method thereof. The non-fried miscellaneous grain instant noodle comprises, by weight, 1-8% of food additives, 1.0-1.25% of gluten fortifier, 25-50% of water, 0.2-1.0% of edible oil, 5-30% of wheat flour, 5-30% of corn flour, 1-10% of corn starch, 10-30% of potato starch, 5-20% of mashed potato, 25-50% of tartary buckwheat flour, 5-25% of common buckwheat flour, 5-15% of modified starch, 2-10% of sweet potato starch, 2-10% of sweet potato powder, and 2-10% of cassava starch. The production method includes raw material weighing, mixing, paste curing and extrusion forming, long strip noodle block cooling and slicing, cooking, drying and packaging. Miscellaneous grains are adopted to serve as raw materials of the instant noodle, various human body essential nutrient substances and trace elements are contained, nutrition is reasonable and balanced, and a healthy diet idea of contemporary people is fitted; and continuous production is carried out through the adoption of a production line, work intensity of working staff is reduced, and production efficiency is promoted.

A method of designing a dental-implant prosthesis includes the steps of arranging a referential jig and combining the referential jig into a fixture installed in a patient's oral cavity, the referential jig having at least one feature point, the fixture having a connection interface, the referential jig having an opposite-joint interface; scanning the patient's oral cavity to acquire an oral digital data and a referential-jig digital data having at least one feature-point digital data; selecting one digital dental-implant prosthesis from a prosthetic database in a computer, a digital positioning jig overlapping the digital dental-implant prosthesis for combination with the connection interface, and proceeding with overlapping and localization of the digital positioning jig and the referential jig digital data to combine the referential jig digital data into the connection interface; and adjusting the position, size, and angle of the digital dental-implant prosthesis to acquire the digital dental-implant prosthesis which is most suitable to the patient.

Method of manufacturing a brake pad that has improved initial friction coefficient or “bite”. The method involves molding a carbon-carbon preform into the desired shape; carbonizing the preform by gradually heating it to 650-900° C. and holding it at that temperature for approximately one hour, heating the carbonized preform at 1950-2050° C. for approximately 4 hours, infiltrating the preform with colloidal silica to fill pores in the preform matrix with silicon carbide, heating the silica-containing preform at about 1800° C. for approximately 4 hours to convert the silica to silicon carbide, subjecting the preform to Carbon Vapor Deposition (CVD) for from 500-1000 hours, and heating the preform at 1600-2800° C. for approximately 4 hours to produce the brake pad material.

A bit for removing a broken fastener comprises a tip from which extend two or more notches separated by traction or biting surfaces formed from two-sided frusto-conically-shaped regions. The surfaces are bounded on one side by a nonlinear cutting edge and on the other side by a non-cutting edge and are configured to cut into the fastener when the bit is rotated in a direction opposite to the fastener's direction of engagement. Specific embodiments include configurations where the cutting edges extend at different angles with respect to the bit axis, where the biting surfaces comprise a plurality of serrations, and where the cutting edges are separated by flutes which spiral along a longitudinally extending periphery of the bit.

The invention provides a supporting structure for a composite anchor mesh steel bar support of a deep well high-stress soft rock roadway and a construction method thereof. Firstly, anchor rods and anchor ropes are stroke into the interior of surrounding rock, and the set length is exposed; then, steel bar meshes and polyester fiber meshes are laid and hung through the outward-exposing portion of the anchor rods and the anchor ropes, the steel bar meshes are closely attached to the surrounding rock to be laid, and the polyester fiber meshes are closely attached to the steel bar meshes to be laid; a steel bar mesh shell support is erected; the anchor rods and the anchor ropes pass through the steel bar meshes, the polyester fiber meshes and the steel bar mesh shell support in sequence and are fixed on the steel bar mesh shell support through trays and nuts; a first concrete shotcrete layer is poured to close the whole supporting structure, and initial supporting is finished; and finally, a second concrete shotcrete layer is poured, and second supporting is finished. Through initial supporting, the whole structure and the surrounding rock deforms jointly, the yielding effect is given play, and surrounding rock pressure is released, and then second supporting is conducted. Meanwhile, the flexibility and pressure releasing effects of the polyester fiber meshes are utilized, so that the surrounding rock pressure is evenly distributed in the whole supporting system.

A luminal occlusion device comprises a tension member, an elongate shaft, and a flat film having an axial receptacle which is received over a distal portion of the tension member. The flat film has proximal and distal ends which are attached to the distal ends of the tension member and the elongate shaft, respectively. Thus, distal advancement of the tension member relative to the shaft will cause the flat film to assume a low profile configuration, while proximal retraction of the tension member relative to the elongate shaft will cause the flat film to assume a foreshortened, compacted configuration. The film usually includes one or more radioopaque markers which help shape the compacted film.

The invention relates to a deviation rectification adjustment mechanism of a cloth shaping machine. The deviation rectification adjustment mechanism comprises a deviation rectification rack, a cloth feeding assembly, an angle deviation rectification assembly and a screw rod assembly, wherein the cloth feeding assembly is arranged on the inner side face of the deviation rectification rack, the angle deviation rectification assembly is arranged at the bottom of the deviation rectification rack, and the screw rod assembly is arranged on the end portion of the deviation rectification rack. The screw rod assembly conducts positioning and adjustment according to the width of cloth which is fed so that the fed cloth can be in an appropriate tensioning state. The deviation rectification adjustment mechanism enables deviation rectification adjustment to be conducted on the cloth entering the cloth shaping machine, so that the situation that grey cloth deviates in the continuous production process is prevented from happening. The screw rod assembly can conduct adjustment according to the width of the fed cloth so as to meet the requirement of production. The angle deviation rectification assembly can be used for real-time adjustment of the deviation rectification rack so that normal operation of the cloth feeding assembly can be guaranteed.

The invention relates to concrete explosion-proof wall with an embedded steel framework. The wall comprises a wall body (1) and a foundation (2), wherein the foundation (2) together with the wall body (1) are integrally cast with concrete, and a steel framework is embedded between the wall body (1) and the foundation (2). The wall is characterized in that the steel framework consists of two side vertical columns (4), a plurality of transverse beams and an embedded steel piece (3) of the foundation (2), wherein the two ends of each transverse beam are respectively, horizontally and fixedly connected with the two side vertical columns (4) according to different elevations, each vertical column (4) is made of H-shaped steel, the surface direction of an H-shaped steel wing flange (16) is consistent with the length direction of the wall body (1), each transverse beam is made of T-shaped steel, the embedded steel piece (3) of the foundation (2) is fixedly connected with the lower side of the bottom transverse beam (5), the upper side of each transverse beam is provided with a plurality of screw rod holes (15), a screw rod (8) penetrates through each screw rod hole (15), the top part of each screw rod (8) is fixedly connected with the top transverse beam (7), and the bottom of each screw rod (8) is fixedly connected with the embedded steel piece (3).

The invention discloses a mixture for improving the quality of rice noodles, a preparation method and an application thereof. Proportioning according to parts by weight, the mixture comprises a formula of the following raw materials: 1-10 parts of potato esterification crosslinked starch, 0.1-5 parts of soybean polysaccharide and 0.1-5 parts of other additives, wherein the potato esterification crosslinked starch, the soybean polysaccharide and other additives are all in an edible grade; other additives comprise one or more than one of carageenan, sodium alginate, single-glycerin ester, potatostarch and cassava starch. The preparation method comprises the following steps: weighing the potato esterification crosslinked starch, the soybean polysaccharide and other additives according to theformula of the raw materials, directly mixing the potato esterification crosslinked starch, the soybean polysaccharide and other additives evenly and preparing the mixture for improving the quality of the rice noodles. The rice noodles produced by adding the mixture have high transparence, are not easy to stick strips and have better toughness, and the rehydration performance, the mouth feel, thetoughness, the chawing strength, the soup turbidness, the strip breakage and the like of the rice noodles are all improved more obviously.

New sandwich product, particularly a fast food sandwich product that contains appreciable amounts of salad ingredients, and to a salad insert suitable for use in such sandwich product to improve the diet of the consumer. The sandwich product can include a layer of a meat or protein portion with the layer of a wrapped salad portion that are placed on or enclosed between a bread portion. The wrapped salad portion uses an edible wrapper to enclose the salad ingredients. The edible wrapper can be an edible processed wrapper such as rice paper or soy paper, or an edible natural wrapper such as a lettuce leaf or cabbage leaf, or a combination thereof. An edible humectant can be used in the source of water used for moistening a dried sheet of a rice paper for improving the resistance to drying of a moistened rice paper. Salad dressing can be injected through the outer layer of the wrapped salad portion using a needle.