37 results about "Initial fixation" patented technology

The invention discloses a titanium-magnesium hollow screw system capable of promoting fracture healing and a manufacturing method. The titanium-magnesium hollow screw system comprises a titanium-based supporting structure and a magnesium filling layer. The titanium-based supporting structure comprises a main body part, the surface of the main body part is provided with an imitated bone trabecula part, and a plurality of bone gaps are formed in the imitated bone trabecula part; wherein bone gaps are filled with the magnesium filling layer, and the magnesium filling layer is combined with the titanium-based supporting structure in a physical embedding mode; the titanium-based supporting structure bears and maintains initial fixation and long-term bearing, so that the strength and the stability of the screw are ensured; the surface imitated bone trabecula and the communicated bone gaps increase the surface area and provide a physical channel for vascularization and bone tissue ingrowth, so that synostosis is promoted; the magnesium filling layer releases magnesium ions after being locally controllably degraded, so that osteogenesis and angiogenesis are favorably stimulated, the local biological environment is improved, instant mechanical support after an operation is ensured, bone healing is promoted through local biological activity release and structural orientation, the healing time is favorably shortened, and the healing quality is favorably improved.

The utility model discloses a glass fiber cloth bag with long service life, which comprises a cloth bag body, a cloth bag lining is arranged on the inner side of the cloth bag body, a supporting structure is arranged on the outer side of the cloth bag lining, a fixing structure is arranged at the top end of the cloth bag body, and the fixing structure comprises a piston ring, a fixing ring, a through hole, a metal ring, a metal plate and a clamping block. A protective structure is arranged on the outer side wall of the cloth bag body. The fixing ring is sewn at the top end of the cloth bag body, the packing rings can be deformed and folded during installation, preliminary fixation is carried out in the mode that the edges of the installation holes are clamped between the two packing rings, the through holes are evenly formed in the fixing ring, the metal rings are fixed to the outer side walls of the through holes, deformation of the through holes can be avoided, and the cloth bag is convenient to install. And after the fixing ring is mounted, the metal plate is mounted at the top end of the fixing ring, so that the fixing ring can be fixed, the falling condition is avoided, and the purpose of preventing the glass fiber cloth bag from falling off during use is achieved.

The invention relates to the technical field of building construction, in particular to a detachable truss rod piece reinforcing device and a construction method thereof.The detachable truss rod piece reinforcing device comprises a split type node reinforcing metal sleeve, the split type node reinforcing metal sleeve is arranged on a transverse rod of a steel truss in a sleeving mode, and the split type node reinforcing metal sleeve is formed by splicing two arc-shaped metal sheets; the two ends of each arc-shaped metal sheet are each fixedly provided with two lug plates a, and the lug plates a on the surfaces of the two arc-shaped metal sheets are connected through high-strength bolts. The split type joint reinforcing metal sleeve has the beneficial effects that the split type design is adopted, the split type joint reinforcing metal sleeve is formed by splicing the two arc-shaped metal sheets, primary fixing is achieved through the high-strength bolt connecting lug plates, and then head-to-tail connection is achieved through the flange plates and the high-strength bolts. By means of the design, when the reinforcing device needs to be maintained or overhauled or the steel truss needs to be transformed, the reinforcing device can be conveniently disassembled and reinstalled, the flexibility and applicability of the device are greatly improved, and the engineering cost and the construction difficulty are reduced.

This invention discloses a livestock and veterinary quarantine and testing device, relating to the field of quarantine and testing technology. The device includes a placement base, a fixing frame mounted on top of the base, and a power rod driven by an electric push rod mounted on the bottom of the fixing frame. A blood sampling tube body is mounted on the bottom of the power rod. When an animal is placed on a placement plate within the base, the electric telescopic rod is activated. This, along with a moving rod, an arc-shaped outer plate, an elastic telescopic rod, an arc-shaped inner plate, a hydraulic chamber, a force-bearing rod, a push plate, a spring, a spring, and a pressure plate, allows for initial fixation of the animal before blood sampling. Further fixation is performed during blood sampling, and the device quickly returns to the initial fixation state after sampling, reducing clamping time and minimizing the possibility of injury to the animal.

A composition and methods of making or use thereof include a plurality of fibers forming a shape for augmenting tendon to bone repair. The physical presence of the plurality of fibers provides initial fixation, while the use of an osteoinductive material provides long term enhancement of bone formation around the site of the tendon to bone repair.

The utility model belongs to angle adjusting hinge technical field especially a kind of self-locking ratchet angle adjusting hinge, including support seat and the adjusting seat of rotation connection with support seat, the upper surface of support seat is provided with self-locking mechanism, the self-locking mechanism includes spring and ball rod, the spring is driven by its elastic deformation and resets ball rod, by setting fixed mechanism, positioning and fixing are carried out to support seat, user when installing adjusting hinge, first, it is initially fixed on target object by back glue, the adhesion of back glue can fill up the tiny gap between support seat, adjusting seat and target object, then further fixed using bolt, form double fixed mechanism, the initial fixation of back glue can reduce installation difficulty and time, and its adhesive layer can absorb vibration and impact force, reduce the dynamic load that bolt bears, prolong the service life of overall structure.

This utility model relates to the field of automotive parts technology, specifically a control arm that is easy to install. It includes a control arm body, a fixed plate fixedly connected to the inner wall of the control arm body, a limit rod fixedly connected to the inner wall of the fixed plate, a sliding plate slidably connected to the outer wall of the limit rod, a spring provided on the outer wall of the sliding plate, a locking tooth one fixedly connected to the outer wall of the sliding plate, a locking tooth two engaging with the outer wall of the locking tooth one, and a shock absorber assembly fixedly connected to the outer wall of the locking tooth two. A connecting component is provided on the inner wall of the shock absorber assembly. This utility model allows the spring to deform by pressing the locking tooth one inward to push the sliding plate, and the limit rod to restrict the sliding plate. After placing the control arm body, releasing the locking tooth one and locking tooth two achieves initial fixation. It can also lock different angles according to different angle requirements, allowing for single-person operation and solving the problem of increased labor costs.

The utility model provides an injection molding screw rod with a structure convenient to disassemble, which comprises a screw rod assembly, a screw rod main body II, an outer snap ring and a sealing ring, and the right side of the screw rod assembly is provided with the screw rod main body II used for assembling and injection molding together. Compared with the prior art, the screw assembly has the advantages that the screw assembly, the second screw body, the outer clamping ring and the sealing ring are additionally arranged, one end of the sealing ring is embedded into the sealing ring groove, the butt joint column of the first screw body is embedded into the butt joint hole, the limiting sliding block is embedded into the limiting sliding groove, and the bolt is used for preliminary fixing; an outer clamping sleeve is arranged on the outer side of a clamping ring groove, so that a clamping column is embedded into a clamping hole, a connecting block is embedded into a connecting groove and is clamped and fixed through a screw, the injection molding screw rod can be disassembled and assembled in a split mode, the screw rod assembly is additionally arranged, the screw rod assembly is assembled and used through a first screw rod body and a connecting base, and the connecting base is connected with a rotating part of an injection molding machine; and rotation structure connection is facilitated.

The utility model relates to the field of communication cabinets, in particular to a magnetic type double-locking quick-release blind plate, which comprises a mounting plate, a first mounting seat and a second mounting seat, a first positioning part and a second positioning part are respectively arranged at two ends of the mounting plate, a rotatable positioning sleeve is arranged on the surface of the first mounting seat, the first positioning part can be inserted into the positioning sleeve in a paired manner, and the second positioning part can be inserted into the second mounting seat in a paired manner. The positioning sleeve and the first positioning part are internally provided with mutually-attracted magnetic blocks, the second positioning part comprises a shell, a clamping tongue, a connecting rod and an unlocking key, the clamping tongue, the connecting rod and the unlocking key are installed in the shell, the surface of the connecting rod is connected with the inner wall of the shell through an elastic connecting piece, and the unlocking key can drive the clamping tongue to stretch out and draw back through the connecting rod. A positioning block is arranged on the surface of the second mounting base, a tongue hole is formed in the side wall of the positioning block, the clamping tongue can be inserted into the tongue hole in a paired mode, efficient disassembly and assembly are achieved through a magnetic attraction and clamping tongue double-locking mechanism, initial fixing can be rapidly completed without accurate alignment during mounting, and the positioning time is greatly shortened.

The present invention relates to an implant structure having a cover screw for initial fixation and a fixture with a long neck portion capable of securing long-term osseointegration of an implant even after functional loading is applied in cases where bone quality is poor or bone volume is low or insufficient, extensive bone grafting is required, or bone grafting with maxillary sinus lift surgery is performed. The present invention comprises: a fixture (100) implanted in the jawbone to serve as a tooth root; a cover screw (400) inserted into and fixed to the fixture (100) to secure a fixation force of the fixture (100); an abutment (200) which has a lower portion inserted into the fixture (100) from which the cover screw (400) has been separated and removed and which has an upper portion to which a crown (10) is coupled; a fixation screw (300) which fixes the abutment (200) to the fixture (100); and a screw cap (500) coupled to the abutment (200) to cover the fixation screw (300).

This utility model relates to the field of communication pipeline technology and discloses a PE communication pipeline with an interface, including a docking mechanism and a fixing mechanism on the left side of the docking mechanism. The docking mechanism includes a first communication pipe body, and an annular locking block is fixedly connected to the left side of the first communication pipe body. This PE communication pipeline with an interface provides initial fixation through the engaging connection between the annular locking block and the annular retaining sleeve, preventing the two communication pipe bodies from easily separating after docking. The threaded connection between the screw and the connecting block, as well as the squeezing action of the compression ring on the elastic retaining sleeve, further fixes the two communication pipe bodies from multiple directions. This multi-fixing method greatly enhances the stability of the entire communication pipeline interface, enabling it to withstand greater external forces, such as soil pressure and fluid pressure within the pipeline, reducing the risk of loosening or detachment at the pipeline interface and ensuring the normal operation of the communication pipeline.

A method of detecting target nucleic acids, including small non-coding RNAs (sncRNAs), microRNAs (miRNAs), small interfering RNAs (siRNAs), PIWI-interacting RNA (piRNA), or antisense oligonucleotides (ASO) molecules, in a cell, comprising a post-fixation step using an aldehyde-containing fixative after the initial fixation step prior to in situ hybridization.

In one or more embodiments orthopaedic implants may be provided. The implants may include an expansile structure which may allow for increased contact between an endosteal or periosteal surface for initial fixation and further allow for bone in-growth and / or on-growth. In some embodiments the expansile structure may be made of, for example a NiTiNol structure, which may further be programmed for expansion at body temperatures. In some embodiments the interstices of the expansile structure may further be filled with a shape memory polymer and / or other elastic material which may also be programmed for expansion at body temperatures.

The invention discloses a safety production signboard and an installation method thereof, and relates to the technical field of signboards. The signboard comprises a magnetic signboard body, an adhesive layer, a U-shaped seat with a wedge-shaped groove, a magnetic piston rod with wedge-shaped parts at the two ends and a pull rope. A closed space is defined by the signboard body, the U-shaped base, the piston rod and the equipment shell, the piston rod is driven to slide by pulling the pull rope, the pressure intensity in the space is reduced, and therefore the signboard is tightly attached. According to the invention, the adhesive initial fixation, the magnetic-attraction anti-return and the negative-pressure fitting are combined to form a synergistic fixing system, so that the technical problems that the traditional signboard is easy to generate bubbles, warp and fall off and is unstable in a vibration environment are fundamentally solved, and the long-term reliable, clear and striking fitting effect is realized.

The invention discloses an umbrella rib titanium plate fixing and implanting system, and relates to the technical field of medical instruments. The umbrella rib titanium plate fixing and implanting system comprises an outer pipe, one end of the outer pipe is provided with a plurality of containing grooves in the axial direction of the outer pipe, and the other end of the outer pipe is sleeved with a handle; the installation assembly is detachably arranged at the end of the outer tube, two through holes are formed in the installation assembly, sutures are bound to the through holes, one end of each suture penetrates through one through hole, the other end of each suture penetrates through the other through hole, and the end of each suture is located in the handle; the umbrella ribs are arranged on the mounting assembly through the rotating assembly, the number of the umbrella ribs is the same as that of the containing grooves, and the umbrella ribs are located in the containing grooves; the driving assembly is used for driving the umbrella ribs to be unfolded to the outside of the containing groove. Compared with existing fracture fixation, the steel plate does not need to be preliminarily fixed through a kirschner wire or a screw, the steel plate does not need to be fixed to the bone through the screw either, and therefore the fixation effect of the fracture position is improved.

This utility model discloses an S-type tee connector that is easy to connect and install. It includes an S-type tee with a connecting pipe at one end. Movable sealing rings are provided on the outer sides of both ends of the S-type tee. Moving screws that move with the sealing rings are provided on the outer sides of both ends of the S-type tee. A compression ring that moves with the moving screws is provided at the end of the S-type tee. A rubber sleeve is provided at the end of the compression ring. Compared with existing technologies, the double sealing structure of the sealing rings and rubber sleeve significantly enhances the sealing performance between the S-type tee and the connecting pipe during connection, effectively preventing media leakage, ensuring a stable connection, and reducing resource waste or safety hazards caused by sealing problems. During connection, the connecting pipe pushes the sealing rings, moving rings, and other components together, causing the compression ring to compress the rubber sleeve, achieving initial fixation of the S-type tee and the connecting pipe before welding.

The utility model discloses a kneecap device, relates to sports equipment field, including inner protection pad, the outer wall of inner protection pad is symmetrically provided with a pair of spacing ring, the inside of the pair of spacing ring is movably provided with outer protection pad, the both ends of inner protection pad and outer protection pad are provided with connecting structure, one side of inner protection pad is provided with a plurality of connecting band, the connecting band is provided with a plurality of connecting pieces, and the connecting pieces are provided with a plurality of connecting pieces. And the connecting band is connected with the kneecap main body. When the knee protection device is used, firstly, the outer protection pad and the inner protection pad are attached to the knee, primary fixing is achieved through mutual pasting of the first hook-and-loop fastener and the second hook-and-loop fastener, and then the knee protection body and the inner protection pad are connected through the connecting belt and the buckle. The installation method is simple and convenient in step, the kneecap can be quickly worn, and the kneecap is not easy to loosen in the use process, can be tightly attached to the knee, provides reliable protection for the knee in different motion states, and is suitable for both daily motion and high-intensity training.

A composition and methods of making or use thereof include a plurality of fibers forming a shape for augmenting tendon to bone repair. The physical presence of the plurality of fibers provides initial fixation, while the use of an osteoinductive material provides long term enhancement of bone formation around the site of the tendon to bone repair.

In one or more embodiments orthopaedic implants may be provided. The implants may include an expansile structure which may allow for increased contact between an endosteal or periosteal surface for initial fixation and further allow for bone in-growth and / or on-growth. In some embodiments the expansile structure may be made of, for example a NiTiNol structure, which may further be programmed for expansion at body temperatures. In some embodiments the interstices of the expansile structure may further be filled with a shape memory polymer and / or other elastic material which may also be programmed for expansion at body temperatures.

The utility model discloses a vacuum pipeline connecting piece, which relates to the technical field of pipeline connection, and comprises a first pipeline and a second pipeline, and the outer surface of one end of the first pipeline is fixedly connected with a first fixing ring. Then, a movable sleeve is rotated, a threaded groove in the movable sleeve is matched with an external thread of the pipeline, the movable sleeve gradually gets close to the second fixing ring, in the process, a locking opening of the movable sleeve extrudes an elastic piece to enable the elastic piece to be attached to the outer surface of the second pipeline, and a notch in the elastic piece promotes deformation and enhances wrapping force; friction force is increased, the pipelines are effectively prevented from sliding or loosening, finally, along with complete locking of the movable sleeve, firm and stable connection of the two pipelines is achieved, and sealing performance and reliability of a system are guaranteed.

The utility model discloses an adjustable anti-falling safety protection quilt with a fixable hand, and relates to the field of protection quilts, the adjustable anti-falling safety protection quilt is characterized in that a first stretching belt is mounted on the left side surface of the protection quilt, an elastic embedding mechanism for fixing a second stretching belt is mounted at the tail end of the first stretching belt, and the elastic embedding mechanism comprises an embedding frame; a first inner groove is formed in the surface of the embedded frame. According to the adjustable anti-falling safety protection quilt with the fixable hands, when a user needs to have a rest, the user firstly lies flat, then the hands of the user penetrate through the interiors of arm fixing holes to complete primary fixing, and after the arms are fixed, the first stretching belt and the second stretching belt are synchronously stretched towards the bottom of the bed; the fixed embedding head is pushed inwards along the first inner groove, the first inner groove abuts against the pop-up rod, the spring is compressed through the pop-up rod, the spring releases the elastic performance to pop up the pop-up rod and tightly attach to the first inner groove to complete fixation after the interior of the embedding frame is completely embedded, and the design is convenient to disassemble, assemble and use.

This utility model relates to a fixed adjustable experimental machining fixture, including a fixture body base, a vertical fixing plate, and a concave clamping plate. The fixture body base is connected to the vertical fixing plate through countersunk threaded holes to ensure the stability of the device. The vertical fixing plate has symmetrically distributed fixing threaded holes and clamping threaded holes, and is connected to the concave clamping plate through fixing concave clamping bolts to achieve height adjustment. The concave clamping plate has three transverse clamping threaded holes, and the workpiece is clamped in multiple directions through transverse clamping bolts and front and rear clamping bolts. The concave design of the concave clamping plate facilitates the passage of workpieces when machining holes, avoiding interference. The workpiece platform has support points or positioning grooves for initial fixation of the workpiece position. This fixture is bolted together to form an integral structure, ensuring stability and accuracy during machining, and is detachable, suitable for clamping and machining various experimental workpieces.

This application provides a broadcast system playback column that is easy to install, including a playback column body, a stabilizing device, and a fixing device. The stabilizing device is located in the middle section of the playback column body and includes a fixed rod, a sliding sleeve, a connecting plate, an extension rod, a telescopic spring, and a fixed rod. The fixed rod is fixedly connected to the playback column body, and the sliding sleeve is slidably connected to the fixed rod. The connecting plate and the extension plate are respectively located on both sides of the sliding sleeve. The end of the extension rod is connected to the fixing sleeve by a screw. The two ends of the telescopic spring are fixedly connected to the extension plate and the playback column body, respectively. The fixing device is located on the top and bottom walls of the playback column body. This application achieves initial fixation through the stabilizing device, wherein the sliding sleeve and the fixed rod are slidably connected to drive the opening and closing of the fixing sleeve, and the telescopic spring is used to drive the fixing sleeve to retract and clamp. Then, the fixing device is used for fixation. The fixing sleeve has a rubber pad layer inside for more secure installation.

A composition and methods thereof include bone fibers made from cortical bone in which a plurality of bone fibers are made into shapes that are used to augment rotator cuff and acl repair. Sheets of bone fibers may be used as an interface between bone and tissue, tendons, and / or ligaments. The physical presence of the fibers provides initial fixation, while the use of an osteoinductive material provides long term enhancement of bone formation. A delivery system and methods of use are also provided.

The utility model relates to an auxiliary conduit butt joint device which comprises a first conduit, a second conduit is movably installed on the outer surface of the left side of the first conduit, a functional ring is fixedly installed on the outer surface of the second conduit, and fixing plates are fixedly installed at the top and the bottom of the first conduit. And a functional structure is fixedly installed on the outer surface of the fixing plate and comprises a functional plate located on the outer surface of the fixing plate, a sealing ring is fixedly installed on the outer surface of the first guide pipe, and a limiting plate is fixedly installed on the outer surface of the fixing plate. When the auxiliary conduit butt joint device is used, a sealing ring on the left side of a second conduit is inserted into the inner wall of a first conduit, then a functional plate is moved leftwards by rotating a threaded rod, so that a connecting plate synchronously moves leftwards, the left side of the connecting plate is clamped into the inner wall of an inserting groove in the left side of the functional ring, and preliminary fixing is completed; and the threaded rod is rotated reversely to drive the function plate to move rightwards.

The utility model relates to the technical field of construction protection devices, in particular to a constructional engineering protection support which comprises a base, stand columns are arranged above the base and comprise stand pipes, the tops of every two adjacent stand pipes are clamped through a clamping plate, a protective fence is arranged between the stand columns and comprises an isolation assembly, and the isolation assembly is clamped with the stand columns through a clamping assembly. According to the utility model, the clamping plates and the first clamping grooves are matched to realize the fixation of the tops of the two adjacent stand columns, and the installation is more convenient than bolts; through clamping connection of the first screw and the positioning groove, preliminary fixing of the protective fence is achieved, the protective fence does not need to be fixed by extra hands during installation, and the installation difficulty is reduced; the protective sleeve and the fixing piece are clamped, the clamping strength of the first screw and the positioning groove can be improved, meanwhile, the locking nut abuts against the end face of the protective sleeve, and the locking nut is prevented from falling off through friction force; the fixing pieces are used for stopping the connecting lugs from moving front and back, and the situation that the protection capacity is reduced due to falling of the locking nuts can be avoided.

A method of detecting target nucleic acids, including small non-coding RNAs (sncRNAs), microRNAs (miRNAs), small interfering RNAs (siRNAs), PIWI-interacting RNA (piRNA), or antisense oligonucleotides (ASO) molecules, in a cell, comprising a post-fixation step using an aldehyde-containing fixative after the initial fixation step prior to in situ hybridization.

A composition and methods thereof include bone fibers made from cortical bone in which a plurality of bone fibers are made into shapes that are used to augment rotator cuff and acl repair. Sheets of bone fibers may be used as an interface between bone and tissue, tendons, and / or ligaments. The physical presence of the fibers provides initial fixation, while the use of an osteoinductive material provides long term enhancement of bone formation. A delivery system and methods of use are also provided.

This invention discloses an embedding mold for preparing resin-embedded single yarns. The mold comprises a first clamping block, a second clamping block, an adjusting spring, and an adjusting bolt. One end of the single yarn is placed into the first clamping block in a first fixing groove and clamped securely. The other end of the yarn is placed into the second clamping block in a second fixing groove for initial fixation, at which point the adjusting spring is initially compressed. After closing the cover plate and injecting liquid resin, if the yarn bends, the adjusting bolt is rotated using a screwdriver. This causes the abutment block to apply a downward force to the second clamping block, further compressing the adjusting spring. The second clamping block moves downward along the second fixing groove, thereby taut and straightening the yarn, counteracting its own curl and twist, ensuring the yarn remains straight throughout the embedding process, preventing bending and twisting, and ensuring accurate measurement of key parameters such as yarn diameter, cross-sectional area, and irregularity.

This utility model relates to the field of municipal engineering technology and discloses a leak-proof structure for municipal HVAC water supply and drainage pipes. It includes two fixing rings, each with a fixing seat fixedly connected to both sides. A housing is disposed between the two fixing seats on the same side. A locking ring is threadedly connected to the outer side of the housing, and a sliding rod is slidably connected inside the housing. A connecting seat is fixedly connected to the outer side of the sliding rod, and a spring is fixedly connected to the outer side of the connecting seat. A sealing component is disposed inside the fixing rings. In this utility model, pushing the sliding rod moves the connecting seat, compressing the spring and causing the fixing bracket and baffle to move. After the baffle contacts the housing, it rotates around the fixing rod, the torsion spring stores force and contracts, pushing the housing through the fixing seat. After the baffle passes, the sliding rod is released, the spring rebounds and resets, the baffle is released from constraint, and the torsion spring resets, causing it to abut against the fixing seat. The spring force reinforces the structure, achieving initial fixation of the housing and effective fit of the fixing rings to the leaking pipe.