29 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 present invention relates to the technical field of medical devices, and particularly relates to a positioning structure and method for osteotomy and bone reconstruction. The positioning structure for osteotomy and bone reconstruction includes a positioning assembly; the positioning assembly includes an upper jaw positioning guide plate, a lower jaw osteotomy guide plate, and a reconstructed bone positioning guide plate; the upper jaw positioning guide plate has an upper jaw occlusal surface, an upper N-shaped splicing mechanism, a plurality of positioning holes, and a plurality of fixing holes; the lower jaw osteotomy guide plate has a lower N-shaped splicing mechanism, a connection area, a lower jaw lower edge indication area, and an osteotomy guiding surface; the reconstructed bone positioning guide plate includes an indication guide plate and a plurality of C-shaped connecting rods; after the upper jaw positioning guide plate is fixed, the insertion and cooperation of the two lower jaw guide plates can guide all the key steps of the operation, without repeated disassembly and adjustment, and maintain accurate positioning and intermaxillary distance to facilitate subsequent implant restoration; based on the upper jaw dentition, the lower jaw osteotomy position and the reconstructed bone position can be positioned, and it can be applied to patients with tooth loosening or lower jaw dentition loss caused by various reasons.

The invention belongs to the technical field of biomedical materials, and discloses a natural tooth composite material bone grafting scaffold for alveolar bone repair and a design and preparation method thereof. The method comprises the following steps: collecting orthodontic teeth, impacted teeth, multiple teeth, loose teeth and other natural teeth extracted in oral medical treatment, and performing technical treatment to obtain raw material powder; ball-milling and mixing the bioactive glass powder, the carbon-based material powder and the natural dental powder to obtain mixed powder; the mixed powder is used as a raw material, and the bone grafting scaffold is obtained through computer aided design and digital light processing technology 3D printing; and modifying the surface of the 3D printing bracket by using the polydopamine-carbon-based material composite coating to obtain the natural tooth composite material bone grafting bracket. The natural tooth composite material bone grafting scaffold obtained by the invention has good mechanical property, controllable degradation property and antibacterial property, and has good biocompatibility and osteogenesis efficiency.

The utility model relates to a fixing device for preventing loose teeth of a patient from falling off and aspirating mistakenly, which comprises at least one elastic tooth sleeving component (1) capable of wrapping the loose teeth, and a regular net-shaped structure (11) is arranged on the elastic tooth sleeving component (1); when the number of the elastic tooth sleeving assembly (1) is one, a connecting strip (2) is arranged on one side of the elastic tooth sleeving assembly (1), and the connecting strip (2) is connected with an external mouth fixing ring (3) which can be fixed outside the mouth; when the number of the elastic sleeve tooth assemblies (1) is larger than one, a connecting strip (2) is arranged between every two adjacent elastic sleeve tooth assemblies (1), and at least one connecting strip (2) is connected with an extra-oral fixing ring (3). Compared with the prior art, the loose teeth of a patient can be wrapped and fixed in a targeted manner, so that the loose teeth of a coma patient or a trachea intubation patient are prevented from falling off and aspirating mistakenly.

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 present invention relates to a multifunctional resin guide plate for assisting in bonding periodontal splints and a preparation method thereof. The multifunctional resin guide plate includes a loose tooth fixing device and / or a splint positioning device. The splint positioning device is optional and can be detachably connected to the loose tooth fixing device. The present application utilizes full digitalization technology to produce a multifunctional resin guide plate for assisting in bonding periodontal splints based on a digital model of the natural curved surface morphology of teeth. This can avoid problems such as excessive thickness of the bonding layer caused by displacement of loose teeth and solve problems such as adverse stress during the bonding process. Computer-aided design software is used to make the design of the multifunctional resin guide plate intuitive, easy to modify, and convenient to observe. High-precision 3D printing / CNC milling / die-casting molding technology can enable the loose tooth retaining device, splint positioning device, and periodontal splint to be assembled and formed, avoiding assembly difficulties caused by physical errors.

The utility model provides a tooth looseness degree measuring device, which relates to the technical field of tooth looseness degree measurement and comprises an L-shaped plate, a clamping plate is arranged at the bottom end of the L-shaped plate, a driving structure used for driving the clamping plate to move is arranged in the L-shaped plate, moving plates are arranged at three ends of the L-shaped plate, displacement sensors are arranged on three sides of the L-shaped plate, and the displacement sensors are connected with the L-shaped plate. The output ends of the three displacement sensors are fixed to the three movable plates respectively. Through operation of the telescopic rod, the impact block is driven to continuously impact the L-shaped plate, when the tooth is loosened, the L-shaped plate shakes and is detected by the displacement sensor, the detected data is displayed and processed on the external display screen through the external processing equipment, and the telescopic rod and the displacement sensor are arranged on three sides of the L-shaped plate, so that the tooth is prevented from being damaged. Therefore, the three displacement sensors can detect the front-back, left-right and up-down tightness of the teeth respectively through separate operation of the telescopic rods, the detection effect is better, and the detection speed is higher.

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 utility model provides a periodontal splint with a composite function, and belongs to the technical field of periodontal splints. Comprising a tooth body; the splint body is adhered to the tooth body; the two guide modules are respectively arranged at two ends of the tooth body and are used for assisting in positioning the splint body; the false teeth are arranged on the splint body. Personalized design can be carried out through oral cavity scanning data of a patient, it is ensured that the splint is perfectly attached to the specific tooth structure of the patient, tooth deficiency caused by periodontal diseases or other reasons can be filled through the arrangement of the false teeth, the chewing function of the patient is recovered, the attractiveness and pronunciation problems are improved, and the patient experience is improved. According to the periodontal splint, loose teeth and surrounding healthy teeth are connected through the splint body, the occlusal force can be dispersed, the burden of individual teeth is relieved, meanwhile, the periodontal splint fixes the teeth of a patient, displacement and extension of the teeth are limited, and the risk of food impaction is reduced.

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 invention provides a traditional Chinese medicine composition for relieving gomphiasis, loss and pain, and relates to the technical field of traditional Chinese medicine, and the traditional Chinese medicine composition is prepared from the following raw materials: radix rehmanniae recen and radix angelicae pubescentis. Through reasonable compatibility of the radix rehmanniae recen and the radix angelicae pubescentis, the traditional Chinese medicine not only can nourish kidney yin to strengthen teeth and prevent and relieve gomphiasis and loss of teeth, but also can dispel wind, eliminate dampness, relieve arthralgia and relieve pain, and effectively relieve tooth pain; after the traditional Chinese medicine composition is used for gargling for a period of time, the gomphiasis condition can be obviously improved, the tooth pain symptom is obviously relieved, the living quality of a patient can be effectively improved, natural traditional Chinese medicinal materials are adopted, chemical synthesis components are not added, the safety is high, and the problems of medicine side effects and bacterial drug resistance are solved.

The dental pad device comprises a dental pad body, a plurality of contraction joints are sequentially formed in the middle areas of the left side face and the right side face of the dental pad body at equal intervals, and a pair of elastic side plates are symmetrically arranged on the left side and the right side of the inner wall of the dental pad body; a plurality of fixing blocks are sequentially installed at the top end of the inner wall of the bite block body at equal intervals, and flexible protruding blocks are integrally formed at the bottom ends of the fixing blocks. According to the invention, the elastic side plates, the flexible bumps and the strain grooves are arranged, the plurality of flexible bumps are independently arranged, and a plurality of rectangular openings are formed in the surface of the side supporting plate, so that the device can be only fixed at the top end area and the side surface area of teeth of an infant patient in the fixing process, thereby avoiding weak parts of tooth gaps among the teeth of the patient; furthermore, the bad problems of tooth root damage and gomphiasis caused by long-time extrusion of the tooth cushion on tooth slits are avoided, so that the tooth cushion structure further meets the special requirements of infant patients, and the practicability of the device is improved.

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 invention relates to an oral care formula for promoting gingival regeneration based on mild stimulation and a preparation method thereof. According to the invention, on the basis of the theoretical basis that gingival hyperplasia caused by malignant stimulation is reversely deduced to obtain that mild stimulation can induce controllable regeneration, the components of the oral care formula are adjusted, non-invasive, safe and efficient gingival repair is realized, and the regeneration effect on loose tooth stabilization and atrophic gingival is remarkable. Specifically, through cinnamon and clove, broad-spectrum antibiosis can be achieved, periodontal pathogenic bacteria can be inhibited, and normal flora cannot be damaged; through the dried ginger and the murraya paniculata, local blood circulation can be promoted, gingival nutrition supply is enhanced, and gingival repair is assisted; gingerol in the dried ginger stimulates and expands blood capillaries, and the gingival ischemia state is improved. The product has the advantages of all natural raw materials, no additive, low cost, high powder form stability and convenience in storage, is directly and uniformly spread on gingiva during use, can be directly swallowed or rinsed for cleaning after being applied for half an hour, is convenient to use, has no side effect, and is beneficial to mass production and popularization.

The invention discloses a fixing device for an oral cavity dynamic navigation and robot system jaw positioner, and belongs to the technical field of dynamic navigation system assisted oral cavity treatment, the fixing device comprises an upper support plate and a lower support plate, one ends of the upper support plate and the lower support plate are rotatably connected through a pin shaft, and the other ends of the upper support plate and the lower support plate are slidably connected through an angle adjusting mechanism; the two sides of the lower supporting plate are each provided with a quick-release structure, and a fixing sleeve is installed in each quick-release structure. According to the invention, the stability of the fixing device is maintained through a little silicone rubber pasting and occlusion mode, so that the requirements of the existing device on the length and width of the dentition and the height of the dental crown are reduced, and complications of loose teeth in a mounting area of the fixing device are reduced; the included angle between the upper supporting plate and the lower supporting plate can be adjusted through the angle adjusting mechanism, so that the requirement that openings of different patients are different in size is met; and through the quick release structure, the fixing sleeves of different models can be quickly assembled and disassembled, so that the working efficiency is improved, and convenience is provided for medical staff.

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.