19 results about "Loose tooth" patented technology

The utility model discloses a horizontal clamping screw retention type loose tooth fixing device, which comprises a lip-cheek side splint, a lingual palatal side splint and a retention screw, the lip-cheek side splint and the lingual palatal side splint respectively comprise a tooth fitting part and a retention part, the lip-cheek side splint and the lingual palatal side splint are respectively clamped on the inner side and the outer side of a tooth, and the retention screw is fixed on the lip-cheek side splint and the lingual palatal side splint. The opposite surfaces of the tooth fitting part are respectively matched with the lip buccal surface and the tongue palate surface of the tooth in shape, and the retention part is embedded in the tooth gap or the tail end of a dental arch and is fixedly connected through a retention screw. The dental implant can be used at the early stage of tooth loosening, and dentition defects can be repaired in time without affecting subsequent periodontal treatment.

The application discloses a loose tooth anti-falling fixing device for general anesthesia operation and belongs to the technical field of medical equipment, which comprises a protection storage assembly and a rotating assembly installed on the protection storage assembly, an adjusting assembly is installed on the protection storage assembly, an anti-falling assembly is installed on the adjusting assembly, a moving assembly is installed on the protection storage assembly, a connecting assembly is installed on the moving assembly, a positioning assembly is installed on the connecting assembly, an extruding assembly is installed on the protection storage assembly, and a guiding assembly is installed on the protection storage assembly. The motor is arranged, the motor can drive the rotating rod to rotate, the rotating rod can conveniently drive the rotating stick to rotate when the rotating rod rotates, the connecting rope can be wound when the rotating stick rotates, and the position of the anti-loose sleeve can be conveniently adjusted according to the position of the tooth.

The invention relates to the technical field of driving nut machining die tools, and particularly discloses a tool for driving nut anti-loosening tooth profile upsetting, the tool comprises a main die assembly and a punching die assembly, the main die assembly comprises a main die and a main die rod, the main die is provided with a through first mounting hole in the horizontal direction, the first mounting hole is a hexagonal hole, and the two ends of the first mounting hole are chamfered; a driving nut to be machined can be placed in the first installation hole, the main die rod is a hexagonal prism, the main die rod is arranged in the first installation hole in the main die in a sliding mode and abuts against the end face of the driving nut, the punching die assembly comprises a tooth-shaped punching rod, a tooth-shaped groove is formed in the tooth-shaped punching rod, and the structure of the tooth-shaped groove corresponds to the anti-loosening teeth. The tool can effectively avoid the cracking phenomenon of the nut in the upsetting process, is simple in structure, high in durability and good in machining consistency, adopts a single-station structure, is more convenient to adjust the upsetting pressure, and effectively avoids damage caused by overlarge stress on the driving nut.

A screw plug anti-loosening device comprises an anti-loosening screw plug, an anti-loosening screw and a frame. A screw plug threaded through hole is formed in the middle of the frame, and a screw threaded hole is formed beside the screw plug threaded through hole. The side surface of the anti-loose screw plug is provided with external threads, the top surface of the anti-loose screw plug is provided with a circle of annular inclined surface along the edge, and anti-loose insections are uniformly distributed on the annular inclined surface; the stop screw is a countersunk head screw, the screw head is provided with a countersunk head inclined plane, and the countersunk head inclined plane is uniformly provided with stop insections; the anti-loose screw plug and the anti-loose screw are screwed into the screw plug threaded through hole and the screw threaded hole of the frame respectively, and the anti-loose insection on the countersunk inclined face is meshed with the anti-loose insection on the annular inclined face. Coaxially sleeving the frame on a bearing of a to-be-locked mechanism through the screw plug threaded through hole; when the bearing tends to fall off, acting force is applied to the anti-loose screw plug, then the anti-loose screw plug rotates upwards, at the moment, the anti-loose screw prevents the anti-loose screw plug from moving upwards through the anti-loose insection, and therefore the bearing is prevented from falling off and being loosened in the axial direction.

This utility model relates to the field of medical device technology, specifically, to a dental protection device for endotracheal intubation, comprising an inner bag (1) and an outer bag (2); a guide plate (3) is provided on the inner bag (1); a coil structure is provided between the inner bag (1) and the outer bag (2); a suture (4) is connected to the coil structure; the suture (4) is connected to the guide plate (3); teeth are provided in the inner bag (1); by inserting the guide plate into the gap of the loose teeth, the device can be positioned and installed, greatly simplifying the installation operation steps; by tightening the two ends of the suture, the inner bag and the outer bag are tightened simultaneously, and the teeth are tightly wrapped; at the same time, the two ends of the suture are wrapped around the guide plate, which can lock the entrance of the device with the teeth, further enhancing the connection stability between the device and the teeth.

The utility model belongs to the technical field of dental tools, and particularly relates to a tooth trauma first-aid kit which comprises a protective box, a placing plate is inserted into the inner side of the protective box, a first clamping groove is formed in the top surface of one end of the placing plate, a first dental arch sleeve is clamped on the inner side of the first clamping groove, a second clamping groove is formed in the top surface of the other end of the placing plate, and a second dental arch sleeve is clamped on the inner side of the second clamping groove. And a second dental arch sleeve is clamped to the inner side of the second clamping groove, a treatment spray is clamped to the top surface of the placement plate, and an aseptic cotton column is clamped to the top surface of the placement plate. A patient can push the placement plate on the inner side of the protection box, place one end of the placement plate on the inner side of the oral cavity and align a dental arch on the injured side with the dental arch sleeve for occlusion, so that the elastic dental arch sleeve can be sleeved on the outer side of the dental arch of the patient for supporting and protection, loose teeth of the patient can be supported and protected, treatment operation is convenient, and the treatment effect is good. Various tools are stored in an integrated mode, carrying is convenient, and the whole treatment tool is high in functionality.

The application relates to a harmonic loose-tooth reduction motor with a flexible structure and an inner stator, and relates to the technical fields of motors, harmonic transmission and the like. Main parts for realizing functions include a stator, a flexible mechanism, a loose-tooth frame and a center wheel. The application controls a magnetic field through a coil wound on the stator in combination with a controller and a control program, thereby attracting a flexible wheel with ferromagnetism to generate deformation, so that the loose tooth in contact with the flexible wheel moves along a center wheel tooth profile, finally drives the loose-tooth frame to rotate and generates output. The application combines the reduction gear, the flexible hinge and the motor, reduces the size of the transmission device, makes the working machine more controllable, simultaneously weakens the impact generated by the loose tooth in the traditional loose-tooth reduction gear, improves the transmission stability, and designs the fixed shaft of the inner stator as a hollow shaft, so that the application can be better applied to a robot transmission arm.

The invention relates to the technical field of fasteners, and discloses a primary gasket integrated secondary locknut which comprises a nut body, a primary gasket integrated secondary locknut body and a secondary gasket integrated secondary locknut body. The gasket and one end of the nut body are integrally formed; a circle of fracture guide structure is arranged between the nut body and the gasket; a first anti-loose tooth structure is arranged on the bottom surface of the gasket; the end face of the nut body and the top face of the gasket form a second anti-loose tooth structure which is meshed with each other. Wherein the fracture guide structure is fractured when a pre-tightening torque applied to the nut body reaches a set value, so that the nut body and the gasket can rotate relatively, the first anti-loose tooth structure on the bottom surface of the gasket and the mounting surface form first anti-loose fit, and the end surface of the nut body and the second anti-loose tooth structure formed on the top surface of the gasket form second anti-loose fit. According to the split type nut gasket, the function conversion of overall pre-tightening and split type anti-loosening in the installation process is achieved, and the problems that a traditional split type nut gasket is prone to being lost, and installation is tedious are solved.

This invention discloses a traditional Chinese medicine mouthwash, its preparation method, and its application, relating to the field of traditional Chinese medicine technology. The mouthwash is prepared from the following raw materials in parts by weight: 8-20 parts Rehmannia glutinosa, 8-15 parts Lonicera japonica, 6-15 parts Scutellaria baicalensis, 5-8 parts Coptis chinensis, 10-20 parts Forsythia suspensa, 10-25 parts Gypsum fibrosum, 5-10 parts Mentha haplocalyx, 3-6 parts Stevia repens, 4-8 parts honey, and 10-20 parts Crataegus pinnatifida. It has the effects of clearing heat and detoxifying, relieving pain and stopping bleeding, is non-irritating, does not produce drug resistance, and has no toxic side effects on the human body. It has anti-inflammatory and antibacterial effects, while preventing the occurrence and development of oral diseases. It utilizes the basic thinking of traditional Chinese medicine to apply the compatibility of natural herbs, and the raw materials are abundant, readily available, low in cost, and the preparation method is simple, suitable for industrial production. It has a significant and definite therapeutic effect on gingival redness, swelling, bleeding, purulent discharge, alveolar bone resorption, and loose teeth caused by kidney yin deficiency and excessive stomach fire.

The present application relates to a kind of dental appliance, comprising: tooth block, handle, placed in the holder of handle, around the wire drum of arch wire, the space of containing colloid and the holder of forming in the opening position of prong;Wherein, arch wire leads out wire drum, arch wire is placed in the handle export;Push holder close to tooth, handle drives holder opening expansion, arch wire is placed in holder;After holder is separated from handle, holder opening closes, prong punctures space, colloid is coated between tooth and holder opening;Tooth block is occluded between upper and lower teeth, tooth block limits loose tooth position;The inner holder of loose tooth position on both sides, by arch wire, the inner holder of loose tooth position is pulled, and the state of loose tooth position is adjusted.The problem that present scheme cannot adjust loose tooth and adapt to the growth of loose tooth position periphery is solved.

The utility model discloses straw pretreatment equipment with a rake tooth structure, which comprises a tank body, the top of the tank body is provided with a feed pipe orifice, the bottom of the tank body is provided with a discharge component, a stirrer is mounted at the top of the tank body and comprises a stirring shaft extending into the tank body, and the stirring shaft is provided with a plurality of groups of stirring mechanisms at different heights. Protruding loosening teeth are arranged on the stirring mechanism, and the driving mechanism is connected with the stirrer and drives the stirrer to rotate. The straw stirring device is reasonable in structural design, the protruding loosening teeth are arranged on the edge of the stirring paddle plate, straw in a wet state is mixed and stirred, the stirring paddle plate with the loosening teeth also well mixes and stirs the straw on the edge of the tank body, the fusiform loosening teeth efficiently scatter the straw, movement circulation is brought by strong axial movement, and the straw stirring effect is improved. Due to the low shearing force, cellulose in the straw is prevented from being damaged, and the energy consumption is low.

The utility model provides a zirconium oxide all-ceramic constant periodontal splint which comprises splint bodies arranged on the cheek side and the tongue side of an affected tooth clamp respectively, each splint body comprises a clamping part arranged on the vertical face of the affected tooth and connecting parts arranged at the two ends of the clamping part, and each splint body comprises a decorative layer, a supporting layer and a connecting layer which are sequentially stacked from outside to inside. And the supporting layer is made of zirconium oxide. The zirconium oxide is adopted as the material of the supporting layer, so that the supporting layer has high strength and good biocompatibility, the effective fixation of loose teeth is ensured, and the problem that a metal splint affects the attractiveness is avoided. The decorative layer can be made of materials similar to teeth in color, and attractiveness is further improved. In addition, due to the multi-layer structural design of the splint, all layers are clear in function and have a synergistic effect, the stability of the splint is effectively improved, and the service life of the splint is effectively prolonged. The periodontal disease treatment device has the advantages of being simple in structure and production process, meeting the periodontal disease treatment requirement, considering the attractiveness requirement and use experience of a patient and being convenient to popularize and implement.

The invention provides a preparation method of a zirconia ceramic periodontal splint. The preparation method comprises the following steps: preparing ceramic slurry containing zirconia powder and an ether organic solvent; according to intraoral scanning data of the patient, designing a periodontal splint three-dimensional digital model fitting the tongue side form of the teeth of the patient; putting the ceramic slurry into ink-jet 3D printing equipment, synchronously spraying the ceramic slurry and a supporting material, printing a green body of the periodontal splint layer by layer, and generating a plurality of microcavities in the periodontal splint in the layer-by-layer printing process; carrying out high-temperature sintering on the green body to obtain a zirconia ceramic periodontal splint finished product, dispersing microcapsules in a solvent, enabling a microcapsule solution to permeate into the microcavity through vacuum impregnation, and then drying to remove the solvent so as to enable the microcapsules to be placed in the microcavity; the biocompatibility of the periodontal splint is improved, the splint adapts to specific periodontal contours of different patients, loose teeth are fixed, dentition fixation is kept, continuous and stable release of an antibacterial agent can be achieved, and periodontal infection is prevented.

The utility model relates to the technical field of screw and nut assemblies, in particular to an anti-loose screw and nut assembly. The problem that in the prior art, a nut assembly is difficult to disassemble is solved, and the practicability of equipment is improved. The anti-loose screw structurally comprises a screw and a nut, a screw head is fixed to the end of the screw, a first gasket and a second gasket are arranged between the screw head and the nut, a plurality of first anti-loose teeth are arranged on the side, close to the second gasket, of the first gasket, a plurality of second anti-loose teeth are arranged on the side, close to the first gasket, of the second gasket, and the first anti-loose teeth are meshed with the second anti-loose teeth. An abutting piece is arranged on the side, close to the first gasket, of the nut, the abutting piece is in sliding connection with the nut and abuts against the first gasket, and a control structure used for controlling the abutting piece to move is arranged in the nut. According to the embodiment, anti-loose self-locking between the screw and the nut can be achieved, disassembly of the screw and the nut can be achieved through the control structure, and the anti-loose self-locking nut has the advantages of being convenient to disassemble and high in practicability.

The invention belongs to the field of oral adhesion and the technical field of oral restoration, and discloses an adhesive with improved color matching and application of the adhesive in preparation of a loose tooth fixing product or a tooth restoration product. The adhesive with improved color matching comprises polymerization powder, polymerization monomer liquid and a polymerization catalyst, wherein the polymerized powder is polymethyl methacrylate (PMMA) polymerized powder and comprises L-shaped opaque powder and L-shaped transparent powder in a preset proportion; a polymeric monomer in the polymeric monomer liquid comprises two components, namely methyl methacrylate (MMA) and 4-methacryloylethyl trimellitic anhydride (4-META); the polymerization catalyst is tributyl boron (TBB). The polymerization powder formed by mixing the L-shaped transparent powder and the L-shaped opaque powder according to the preset proportion is mixed with the active liquid, and after curing, the presented color is closer to the color of natural teeth, so that the application range is expanded.

The utility model discloses a multi-net-bag patient tooth fixing device with comprehensive protection, which relates to the technical field of medical instruments and comprises a gasket and a connecting ring which are symmetrically arranged at two ends of a tightening rope, the middle section of the tightening rope is detachably provided with an elastic connecting component, the elastic connecting component is fixedly connected with a connecting belt, and the connecting belt is fixedly connected with the gasket and the connecting ring. The two ends of the connecting belt are fixedly connected with elastic ropes, and the elastic ropes are fixedly connected with net bags. According to the utility model, through the arrangement of the elastic connecting assembly, the number of the corresponding net bags can be set according to the loose teeth of the patient, and a plurality of teeth can be protected by adopting one tightening rope.

A novel wind power generation speed-increasing transmission device comprises an input shaft, a shock wave disc, a movable tooth disc and a gear ring, an eccentric wheel is machined on the input shaft, the eccentric distance between the eccentric wheel and the input shaft is e, a shock wave bearing is installed on the outer side of the eccentric wheel, the shock wave disc is connected to the outer side of the shock wave bearing, and movable teeth are installed on the outer ring of the shock wave disc. The gear ring is arranged on the outer side of the movable teeth in a sleeving mode, an inner gear ring meshed with the movable teeth is machined on an inner ring of the gear ring, a movable tooth disc A and a movable tooth disc B are arranged on the two sides of the shock wave disc, a plurality of step cylinders are machined on the movable tooth disc A, mounting holes are machined in the movable tooth disc B, and the step cylinders penetrate into the mounting holes and are locked through screws; round holes are machined in the shock wave disc, the step cylinders penetrate through the round holes, and the number of the round holes is the same as that of the step cylinders. The radial gap and the lateral gap between the circular hole and the stepped cylinder in the circular hole are both larger than two times of the eccentric distance e. The oscillating tooth transmission device is simple in structure, and the application range of oscillating tooth transmission is expanded.

This utility model discloses a special forceps for fixing loose teeth that can stabilize the resin fiber splint and prevent light scattering. It includes a forceps body composed of an upper body and a lower body arranged in parallel. The upper and lower bodies are respectively connected to an upper clamping part and a lower clamping part at their bottoms. The upper surface of the upper clamping part has a curing lamp housing, the lower surface of the upper clamping part has a splint placement opening, and the upper surface of the lower clamping part has an elastic plastic pad. The entire utility model is made of opaque stainless steel, which blocks scattered light when the curing lamp is operating, protecting the eyes. Furthermore, the circular placement hole and light-emitting hole in the curing lamp housing allow light to directly illuminate the target location, preventing the elastic fiber-composite resin splint outside the curing lamp housing from hardening. The combined action of the splint placement opening and the elastic plastic pad prevents the elastic fiber-composite resin splint from slipping, achieving a good adhesive fixation of the affected tooth.