137 results about "Root canal" patented technology

The invention relates to the technical field of digital medical treatment, and discloses a dental three-dimensional identification and model generation method based on CBCT and deep learning, and the method comprises the steps: carrying out the preprocessing of obtained CBCT image data; the preprocessed CBCT image data is segmented, and the segmentation step comprises the substeps that a tooth three-dimensional model, an alveolar bone three-dimensional model and a mandibular neural tube three-dimensional model are obtained by adopting a two-stage cascade deep learning network; based on the tooth three-dimensional model and the alveolar bone three-dimensional model, obtaining a periodontal membrane three-dimensional model through geometric and Boolean operation; a tooth root area in the tooth three-dimensional model is positioned, and a self-adaptive threshold method is adopted for CBCT image data corresponding to the tooth root area, and a root canal three-dimensional model is recognized and generated; based on at least one of the obtained three-dimensional models, a personalized clinical application model is generated, high-precision automatic segmentation of the dental complex anatomical structure is achieved, and a reliable digital model basis is provided for personalized precision medical treatment.

A root canal cleaning device according to one embodiment of the present invention comprises: an acoustic pressure generating unit that operates in response to the electric input; a handpiece housing that accommodates the acoustic pressure generating unit; a coolant passage formed inside the handpiece housing; a coolant inlet that communicates with the coolant passage formed inside the handpiece housing; and a cleaning solution nozzle formed in the handpiece housing, wherein an ultrasonic acoustic pressure applied to a coolant is transmitted to a cleaning solution by the acoustic pressure generating unit, and vapor bubbles are generated in the cleaning solution by the transmitted ultrasonic acoustic pressure, and target contaminants inside the tooth including the root canal is removed by the action of the vapor bubbles and the cleaning solution on a tooth being treated. The cleaning solution includes a degassed liquid.

1. Name of the product in this design: Root canal measuring instrument (for oral and maxillofacial surgery). 2. Purpose of this design: It is used in a root canal measuring instrument, which is a measuring instrument for oral and maxillofacial surgery. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

Root Canal Irrigation Pressure Control and Flow Monitoring Device

1. The name of the design product: root canal channel cleaner. 2. The use of the design product: clean the impurities and foreign matter in the root canal during root canal treatment. 3. The design points of the design product: the shape of the product shown in the views in the drawings. 4. The picture or photo that best indicates the design points: perspective view.

There is provided a kit for performing socket shield technique, and methods for using the kit, wherein the kit may include a wheel bur, having a first working surface disc and a second working surface disc configured to smoothen and cut hard tissues of a tooth; one or more trephine burs with stoppers configured to cut a root canal to create a first tooth fragment and a second tooth fragment, wherein each stopper is compatible with each of the one or more trephine burs; a root fragment remover configured to extract the first tooth fragment and stabilize the second tooth fragment; a split end elevator having a v-shaped notch tip configured to remove the first tooth fragment; a cylindrical bur to control the thickness of the second root fragment; and a round bur configured to separate the second root fragment from unwanted fragments.

The utility model discloses a root canal file handle assembling device which comprises a bottom plate, a clamping mechanism is arranged on one side of the top of the bottom plate, a pushing mechanism is arranged on the other side of the top of the bottom plate, and U-shaped grooves are formed in the two sides of the front face and the two sides of the back face of the bottom plate. The clamping mechanism comprises a clamping seat, a trapezoidal block, a first air cylinder, clamping blocks, a roller, an arc-shaped groove, a mounting seat, a mounting groove, a bolt A and a bolt B. The root canal file body is arranged between the two clamping blocks, then the first air cylinder is started, the first air cylinder pushes the trapezoidal block to slide in the clamping seat, and then the trapezoidal block drives the roller to rotate through the slope design of the trapezoidal block; and meanwhile, the clamping blocks rotate, and then the two clamping blocks limit the root canal file body through the arc-shaped grooves, so that the root canal file body can be effectively and conveniently clamped quickly.

The invention discloses a root canal oscillation negative pressure flushing system and method, and belongs to the technical field of medical instruments. According to the technical scheme, the negative-pressure washing system for root canal oscillation washing comprises a main machine module, a handle module, a negative-pressure washing needle head and a sewage collecting module; the negative pressure flushing needle head is of a dual-channel coaxial structure of a liquid supply channel and a negative pressure back suction channel, the negative pressure flushing needle head is rigidly connected with the handle module, and a vibration conduction assembly is arranged in the handle module; through the integrated design and the dual-channel coaxial structure, the operation process is simplified, the leakage risk is reduced, and it is ensured that liquid supply and negative pressure are synchronous; the liquid medicine is activated in combination with the vibration conduction assembly, the cleaning efficiency is improved, and the device has the advantages of being convenient to operate, reducing leakage risks, ensuring synchronization of liquid supply and negative pressure and improving the cleaning efficiency.

1. The name of the design product: root canal measuring instrument. 2. The use of the design product: for stomatological medical instrument, dental root canal measuring instrument. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

A method for determining the optimum relative position of at least one sensor and / or at least one imaging source of an imaging device for at least one intraoral imaging, and for the non-overlapping imaging of at least two tooth root canals. The disclosure also relates to a sensor holder (1) for intraoral imaging including at least one biting device (2) that is insertable into the mouth of a patient, at least one holding device (3) at least indirectly engaged with the biting device (2) for fixing at least one sensor, and at least one centering device (4) for aligning at least one imaging device. The centering device (4) is at least indirectly in operative connection with the biting device (2) via at least one centering device holding portion (5).

The utility model relates to the technical field of deciduous tooth root canal treatment, in particular to a flushing auxiliary instrument for deciduous tooth root canal treatment, which comprises an injection needle body, a cylinder is arranged at the mounting end of the injection needle body, external threads are arranged on the outer surface of the cylinder, and a plug is arranged in the cylinder. The interior of the plug is of a hollow structure and is installed on the inner wall of the injection needle body in a communicated mode, the injection end of the injection needle body is arranged to be an oval pointed end, a plurality of flushing holes are evenly formed in the outer side wall of the oval pointed end, and the installation end of the injection needle body is installed on an externally-connected injector body. According to the utility model, the resistance mood of children can be avoided, a threaded retention syringe or a pluggable retention syringe can be selected according to clinical practice, and meanwhile, the bending angle of the syringe needle body can be adjusted according to different orientations of the root canals of the deciduous molar teeth for pre-bending, so that the flushing efficiency of the root canals in different orientations under non-direct vision is improved.

The invention relates to the technical field of root canal treatment, in particular to a method, device and control equipment for controlling a root canal file based on dynamic torque, in the process that the root canal file is inserted into a root canal part and makes contact with dentin, real-time torque data generated by resistance in the process that the root canal file makes contact with the dentin are collected, and the real-time torque data are obtained; the method comprises the following steps: acquiring a real-time torque of a root canal part, performing target torque analysis matched with the real-time torque, so that the analyzed target torque meets the cutting requirement of the current dentin of the root canal part, and then controlling a root canal file to cut the dentin based on the analyzed target torque, so that the diameter change of the root canal file adapts to a root canal anatomical structure. The control accuracy of the torque of the root canal file is improved, so that the cutting accuracy, efficiency and safety of dentin are improved, the efficiency, accuracy and safety of root canal treatment are improved, and the user experience is improved. Meanwhile, the damage conditions such as bending and breakage of the root canal file can be reduced, and the service life of the root canal file is prolonged.

The utility model relates to the technical field of medical instruments, in particular to a root canal file holder. Comprising a handle end and a fixing assembly, the fixing assembly comprises a fixing sleeve, a movable rod, a fixed clamping sleeve, a movable clamping sleeve, a limiting spring, a shifting ring and a fixing piece, the fixing sleeve is fixedly connected with the handle end, the movable rod is slidably connected with the fixing sleeve and the handle end and penetrates through the fixing sleeve and a cavity, and the fixed clamping sleeve is fixedly connected with the fixing sleeve. The movable clamping sleeve is fixedly connected with the movable rod and located on the outer side wall of the movable rod, the shifting ring is movably connected with the handle end and located in the through groove, the shifting ring is further fixedly connected with the movable rod, the limiting spring is fixedly arranged in the cavity and fixedly connected with the shifting ring, and the fixing piece is arranged on the outer side wall of the handle end and movably connected with the shifting ring. Through the arrangement of the structure, the root canal file can be stably fixed, shaking is prevented, and treatment of the oral cavity of a patient is facilitated.

Suction Device for Advanced Root Canal Disinfection

The utility model relates to the technical field of medical instruments, and discloses a positioning device capable of fixing the treatment length of a root canal file, which comprises a tube file mechanism, a silica gel ring mechanism and a placing mechanism, the inner wall of the side surface of the tube file mechanism is movably connected with the side surface of the tube file mechanism; the bottom end of the silica gel ring mechanism is movably connected with the inner wall of the bottom end of the placing mechanism, the tube file mechanism comprises a mounting handle, and the bottom end of the mounting handle is fixedly connected with a tube file main body; the first semicircular rubber ring is tightly attached to the side face of the mounting handle, the first annular clamping block is clamped into the annular clamping groove, the second semicircular rubber ring is rotated to enable the side face of the first semicircular rubber ring to be attached to the side face of the second semicircular rubber ring, and the second annular clamping block is clamped into the annular clamping groove. The silica gel ring mechanism is fixed to the side face of the pipe file mechanism, operation is easy, the silica gel ring mechanism is prevented from being damaged by the pipe file body, meanwhile, injury to operators is avoided, and the equipment safety and the working efficiency can be improved easily.

The invention discloses an oral cavity teaching training model for dental pulp blood supply reconstruction, and the model comprises a model body which is provided with a puncture channel for simulating a root canal; the puncture seat is arranged at the lower end of the puncture channel, and a bleeding hole communicated with the puncture channel is formed in the puncture seat; the simulation film is arranged between the puncture channel and the bleeding hole; the driving mechanism is connected with the simulation thin film, and the driving mechanism is used for driving the simulation thin film to move so as to adjust the puncture area, corresponding to the bleeding hole, of the simulation thin film; the liquid supply device is connected with the bleeding hole, the liquid supply device is used for conveying simulated plasma to the bleeding hole, or the liquid supply device is used for conveying simulated plasma in the bleeding hole outwards, the simulated film is matched with the bleeding hole to achieve high simulation of bleeding after puncture, and meanwhile dynamic simulation of different bleeding amounts is achieved in cooperation with the liquid supply device; through cooperation of the driving mechanism and the simulation thin film, rapid switching of the puncture areas corresponding to the simulation thin film is achieved, and repeated training is facilitated.

The invention belongs to the technical field of medical materials, and particularly relates to a dental root canal filling double-component composition and a preparation method thereof.The dental root canal filling double-component composition is characterized in that a component A is 50-60 parts of modified filler; 20.0 to 30.0 parts of a functional monomer; 5.0 to 10.0 parts of zwitterionic salt; 2.0 to 10.0 parts of di [2-(methacryloyloxy) ethyl] phosphate ester; 0 to 1.0 part of a photoinitiator; the component B is 20.0-30.0 parts of an amino curing agent, the operation is performed in a dark place, the components are mixed in proportion and uniformly stirred, then the materials are discharged, and the component A and the component B are respectively packaged to obtain the product. The dental root canal filling two-component composition solves the problems of easy shrinkage, easy bacterium breeding and the like in the prior art through the self-made functional monomer, the zwitterionic salt and the combination of formula design, and has excellent anti-inflammatory performance, mechanical performance and the like.

The utility model discloses an anti-loosening metal implant, and particularly relates to the technical field of metal implants, the anti-loosening metal implant comprises an alveolar bone, a mounting groove and a root canal, the mounting groove is arranged on the surface of the top end of the alveolar bone, the root canal is arranged in the mounting groove, and a limiting component is arranged in the root canal. By arranging the limiting groove and the limiting piece, before the root canal is installed, a circle of limiting groove is machined in the deep position in the installation groove, after the root canal is installed on the inner side of the installation groove through threads, the adjusting rod located in the root canal can be rotated, and under the threaded fit of the adjusting rod and the adjusting hole, the adjusting rod can be driven to drive the frustum to move upwards; in the upward moving process of the adjusting rod, the adjusting rod makes contact with the limiting piece on the inner side of the sliding groove, in the upward moving process, the limiting piece can be pushed outwards and driven to be inserted into the limiting groove so as to assist in limiting the root canal, the root canal is prevented from being disengaged from the inner side of the mounting groove, and the anti-loosening function after the metal implant is mounted is enhanced.

The utility model belongs to the technical field of dental instruments, and relates to a root canal washing device which comprises an internal assembly, an integrally-designed shell and a shell end sealing structure arranged on the shell. The shell is further provided with a mounting cavity for mounting the internal assembly, at least part of the internal assembly is detachably connected with the shell, and the shell end sealing structure is detachably connected with an opening of the mounting cavity; a traditional upper shell and lower shell splicing structure is arranged into the integrated shell, the situation of offset between the upper shell and the lower shell can be avoided, meanwhile, at least part of the internal assembly is detachably connected with the shell, the internal assembly is conveniently inserted into the installation cavity and taken out, and disassembly and assembly are easy.

INSTRUMENTED ENDODONTIC FILE FOR DETERMINING ANATOMICAL DATA The present invention relates to a device for endodontic treatment of a root canal (11), comprising: - an instrumented file (20) including a passive zone (22) and an active zone (21), the active zone (21) being configured to provide position data by electromagnetic or optical radiation, - acquisition means (30) including a sensor (31), and configured to acquire position data within a system defined by the root canal (11) and the acquisition means (30), and - a treatment unit (40) connected to the acquisition means (30), and the treatment unit (40) is configured to process the position data of the active zone (21) within the system, in order to determine an anatomical datum of the root canal (11). Abstract figure: Fig. 4

The utility model provides a dental pulp root canal auxiliary positioning device which comprises a handle, a mounting box, a triangular block, a supporting plate and a butt joint shaft, the lower end of the handle is sleeved with a roller bearing, the outer ring of the roller bearing is fixedly connected with an anti-skid sleeve, guide grooves are formed in the front side and the rear side of the right end of the mounting box respectively, and a rotating shaft is mounted at the lower end in the mounting box; the annular side face of the rotating shaft is fixedly sleeved with a plurality of second rolling wheels, a notch column is movably connected to the upper portion of the installation box in an inserted mode, a first rolling wheel is rotatably installed at the lower end of the notch column, a circular ring is fixedly connected to the side face of the notch column in a sleeved mode, and a spring is installed on the side of the upper portion of the circular ring and connected with the notch column in a sleeved mode. The handle placing device is reasonable in structure, good in practicability, convenient to use and suitable for popularization and application, the handle is limited by utilizing the telescopic characteristic of the spring, and the stability of the handle during placing is greatly improved.

The utility model discloses a dental blowing drying device, relates to dental tool technical field, wherein the dental blowing drying device comprises a gun body and a needle body structure, the gun body comprises a support body and a gun head, the gun head is installed on the support body, one end of the gun head far away from the support body is provided with an external thread, and the needle body structure is detachably installed on the gun head. According to the technical scheme, the external threads are arranged at the end, away from the supporting body, of the gun head of the gun body, the needle body structure is additionally arranged, the needle body structure is detachably installed on the gun head, and the needle body structure is arranged in a hollow mode; the needle body structure comprises a sleeving part and a needle head, and the needle head is connected with the sleeving part; the inner diameter of the sleeving part is gradually increased in the direction from the tail end of the needle head to the top end of the gun head, an internal thread is arranged in the sleeving part, the sleeving part is in threaded connection with the gun head so that the needle head can be installed on the gun head, the outer diameter of the needle head is smaller than or equal to 0.5 mm, and then the needle body structure can stretch into a root canal of a tooth and blow-dry the tooth.

The application discloses a tooth CBCT reconstruction method based on a double-branch contrast learning and a Transformer diffusion model, and relates to the technical field of medical image processing. In view of the problems that features are not aligned and global structure maintaining capability is poor when existing diffusion models process cross-modal tooth data, a double-branch variational autoencoder is first constructed, contrast learning is used to map features of in-vivo CBCT and Micro-CT to a shared latent space, and feature alignment is realized; secondly, a denoising network based on a Transformer architecture is constructed, and the global attention mechanism of the denoising network is used to learn high-frequency detail recovery from Micro-CT data guided by the aligned features. The application effectively solves the domain drift problem of clinical images and significantly improves the connectivity and clarity of micro-root canal structures.

The invention provides an auxiliary positioning device for an oral dental pulp root canal, and relates to the technical field of root canal treatment equipment. Comprising a positioning platform and a positioning frame, and the positioning platform is arranged on the positioning frame; a positioning clamp is arranged on the positioning platform, a positioning sleeve is connected to the positioning clamp through an induction line, and an inductance device is arranged on the positioning sleeve; displacement assemblies are arranged at the tail ends of the positioning clamps; the displacement assembly comprises an outer pipe and an inner pipe, and one end of the outer pipe is sleeved with one end of the inner pipe. A first motor is arranged in the outer pipe, a driving screw rod is arranged on an output shaft of the first motor, and threads are arranged on the inner side of the inner pipe and are in threaded connection with the driving screw rod; a limiting groove is formed in the inner side of the outer pipe, and a limiting protrusion matched with the limiting groove is arranged on the outer side of the inner pipe. Compared with the prior art, the device is convenient to use and adjust, accurate in positioning and capable of effectively avoiding blocking the surgical field.

Relates to the field of oral medical instruments, in particular to an aspirator for oral treatment, which comprises a connector, a tube body, a tube orifice, a thin aspiration head and a saliva aspiration head, the connector is connected with the thin aspiration head or the saliva aspiration head through Morse taper, the tube orifice is connected with a weak aspiration port of a dental chair or an aspiration tube of an operation liquid collector, and sieve pores are arranged on the saliva aspiration head. Flanges are arranged on the thin suction head and the saliva suction head, the tube body is a straight tube body or is arc-shaped, the connector, the tube body and the tube opening are integrally formed by stainless steel or plastic, the thin suction head is made of elastic soft plastic, the tip end of the thin suction head is a thin suction head needle tube, the needle tube is a cone with an open tip end, and the saliva suction head is made of hard plastic. The multifunctional oral cavity aspirator can be used for aspirating saliva, blood, exudate and flushing fluid in a pith hole and a root canal in oral cavity treatment, and has the advantages of multiple purposes, simple structure and low manufacturing cost.

The invention relates to the technical field of dental medical instruments, and particularly discloses an automatic root canal flushing device and a flushing method.The automatic root canal flushing device comprises a main machine, a handle and an intraoral soft connecting piece, the intraoral soft connecting piece is detachably connected with the handle, and a liquid outlet and a liquid suction opening are formed in the intraoral soft connecting piece; the flushing assembly is used for providing power for flowing of flushing liquid in the flushing pipeline; the intraoral soft connecting piece comprises a first positioning part and a second positioning part, the first positioning part is flexibly connected with the second positioning part, the first positioning part is used for being in contact with a lip-buccal surface, the second positioning part is used for being in contact with a tongue-palate surface, the liquid outlet is formed in the middle of the intraoral soft connecting piece, and liquid suction ports are uniformly distributed in the first positioning part; liquid suction ports are uniformly distributed in the second positioning part; the suction assembly is used for providing kinetic energy for liquid suction of the liquid suction pipeline. The device has the advantages that automatic flushing and liquid suction are achieved, and manual operation is simplified.

The utility model relates to the technical field of oral treatment, and discloses a disposable oral instrument box which comprises a treatment box body, the treatment box body comprises a storage structure, and a tooth support and a rear forked odontoscope are placed in the storage structure. According to the treatment box, the treatment box body, the tooth support and the rear forked odontoscope are adopted, medicines, disinfection articles, treatment tools and the like can be independently stored through the storage structure in the treatment box body, and medical staff can take the medicines, the disinfection articles, the treatment tools and the like conveniently; when the root canal in the treatment tool groove is taken, the distance between the root canal and the central position of the treatment tool groove is increased through the four clamping holes, so that medical staff can take the root canal through tweezers; meanwhile, the adopted clamping assembly can clamp and store appliances and the like used in the oral cavity treatment process through a plurality of formed clamping grooves, and pollution caused by falling of the appliances is avoided.

The application relates to a root canal treatment instrument, in particular to a root canal drill and grinding system with an auxiliary positioning guide plate, which is used for root canal treatment of a diseased tooth and comprises a clamping piece, a guide piece, a handset and a bracket type guide plate; the guide piece comprises a guide piece body, a central hole and guide columns; the central hole is arranged at the center of the guide piece body, and the guide columns are symmetrically arranged at the two ends of the guide piece body and take the central hole as the center; a drill needle is arranged on the handset and passes through the central hole; the clamping piece is used for clamping and fixing the guide piece on the handset; the bracket type guide plate comprises a columnar support and a retainer connected to the columnar support; the retainer is wrapped on a fixed tooth to fix the columnar support; the columnar support is symmetrically arranged with guide column insertion slots on the two sides of the diseased tooth, and guide column insertion slot cavities matched with the guide columns are arranged on the guide column insertion slots. Compared with the prior art, the application solves the problems of poor guiding accuracy, small drilling and grinding operation space, high difficulty and narrow discharge channel in the prior art.

A bioactive deciduous tooth root canal filling paste includes: an organic hydrophobic component including a developer, a dispersing aid, and an organic solvent; the inorganic hydrophilic component comprises a bioactive alkali producing substance and anhydrous calcium hydrogen phosphate, and the bioactive alkali producing substance comprises silicate and metal oxide; the particle size of the inorganic hydrophilic component is less than 70 microns; the mass ratio of the organic hydrophobic component to the inorganic hydrophilic component is (2: 3)-(7: 3). By accurately regulating and controlling multi-ion synergistic release and matrix degradation kinetics, integration of multiple functions of antibacterial property, osteogenesis inductivity, long-term dimensional stability, degradability and deciduous tooth physiological absorption rate matching is synchronously realized, and an ideal solution is provided for deciduous tooth root canal treatment.

The utility model relates to the technical field of medical instruments, and discloses a root canal linear passage bur, which comprises a drill bit, a bur body and a connecting part, the drill bit comprises a drill body and a drill tip, the drill body is detachably connected with the bur body, emery is sprayed on the outer wall of the drill body by adopting a sand blasting process, a first external thread is arranged on the outer wall of the drill tip, and the length of the drill tip is 2-3mm; the first external threads are arranged on the outer wall of the drill tip, and the corundum is sprayed on the drill body by adopting a sand blasting process, so that the drill tip can move more stably when being drilled into teeth due to the arrangement of the first external threads, the sprayed corundum can enhance the overall strength of the drill body, and meanwhile, the drill tip is prevented from being damaged. The drill bits and the needle body are detachably connected, so that a doctor only needs to prepare a plurality of drill bits of different models before an operation and replace the drill bits according to actual requirements in the operation process, and compared with the prior art, the drill has the advantages that the drilling capacity is good, the occupied area of an instrument tray is reduced, and the operation of the doctor is facilitated.