46 results about "Oral tissue" patented technology

The invention relates to an oral cavity scanner and an oral cavity scanning method, and belongs to the technical field of medical instruments, the oral cavity scanner comprises a host, a handheld scanning gun and a data processing terminal, a main control circuit and a power module are arranged in the host, the handheld scanning gun is connected with the host, and a scanning window is arranged at the front end of the handheld scanning gun. The method comprises the following steps: acquiring three-dimensional shape data of oral tissues through a main white light scanning module; the auxiliary deep hole scanning module is used for carrying out supplementary scanning on optical dead angles such as the edge of a preparation body and a deep caries cavity; lesion information such as decayed teeth and dental plaque is obtained through the fluorescence detection module; data splicing is assisted through the attitude sensing module, the data processing terminal fuses multi-modal data to generate a color digital model with high-precision three-dimensional morphology and pathological information labeling, and real-time guidance and quality evaluation are performed on a scanning process by using an artificial intelligence model. And full-automatic, high-precision and intelligent oral cavity three-dimensional data acquisition is realized.

The utility model discloses a flexible surgical robot system for an oral cavity. The flexible surgical robot system comprises a clamping mechanism, a mechanical arm and a flexible oral cavity mechanism, wherein the clamping mechanism is used for realizing clamping and fixing; the mechanical arm is mounted on one side of the clamping mechanism and is used for multi-angle posture change; the oral cavity flexible mechanism comprises a flexible hose fixed to the top end of the mechanical arm, a plurality of deformation grooves formed in the side face of the flexible hose, and electric field deformation blocks arranged on the inner sides of the deformation grooves and used for deforming under stimulation of an electric field. Under the cooperation of the mechanical arm, the flexible hose, the electric field deformation block and the electric field stimulator, the flexible hose can realize fine and accurate multi-angle posture change in an oral cavity, can adapt to a complex and changeable environment in the oral cavity, is helpful for the oral cavity operation equipment to accurately operate a focus area, and is convenient to use. And unnecessary damage to oral tissues can be greatly avoided, so that the flexibility and the practicability are improved.

This disclosure relates to systems and methods for the electrokinetic (EKF) delivery of therapeutic and cosmetic agents to oral tissues, including but not limited to enamel, dentin, cementum, gingiva, and mucosa. More specifically, it relates to modular, low-current dental treatment platforms configured to deliver active agents across or into oral tissues using flexible electrodes, voltage ramping logic, and optionally insulating or stabilizing structures.

The application discloses a periapical tissue regeneration type root canal paste, a preparation method and application thereof. The periapical tissue regeneration type root canal paste is composed of Iroot-sp paste and additives, and the mass ratio of the Iroot-sp paste to the additives is 60-80:20. The root canal paste is used for oral tissue regeneration and root canal filling and barrier. Compared with the sealant in the prior art, the root canal paste has great improvement in biocompatibility and remineralization capacity.

The invention relates to the technical field of auxiliary diagnosis and treatment systems, in particular to an auxiliary diagnosis and treatment system for oral treatment. Comprising an oral cavity data acquisition module, a data preprocessing module, an oral cavity three-dimensional model construction module, an oral cavity tissue health condition quantitative analysis module, an occlusion function evaluation and anomaly recognition module, a preliminary auxiliary diagnosis and treatment scheme making module, an auxiliary diagnosis and treatment scheme simulation module and an auxiliary diagnosis and treatment scheme optimization and adjustment module. According to the method, data such as teeth, periodontium and occlusion relation in the oral cavity of the patient can be comprehensively and accurately obtained through multi-dimensional oral cavity data collection in combination with a data integrity check formula, the problem that in the prior art, the data collection dimension is single and incomplete is solved, and high-quality basic data is provided for subsequent diagnosis and treatment.

The invention discloses an intelligent nursing device for preventing a child oral cavity from being swallowed by mistake, belongs to the technical field of child oral cavity nursing equipment, and aims to solve the technical problems that an existing device is incomplete in mistake swallowed prevention mechanism, insufficient in adaptability and safety and prone to bucking. The device adopts a modular design of a main body unit, a replaceable cleaning head unit and an intelligent mistaken swallowing prevention control unit, the main body unit (a handle part) is an integrally formed hollow shell, double independent liquid inlet cabins (used for preheating pretreatment of cleaning liquid) and a vortex negative pressure pump set are arranged in the main body unit (a handle part), and a deep groove is formed from the top to the middle of the main body (the shell); the bottom of the groove (the top of the inner core) is provided with an electromagnetic adsorption and mechanical locking mechanism used for being connected with a head function module. The bottom of the whole handle is in butt joint with an external water tank through two pipelines and used for conveying cleaning liquid and recycling waste liquid. The replaceable cleaning head comprises a toothbrush type (liquid outlet holes are formed in the centers of bristles) and a water flushing type (a flushing head is arranged in the middle), innovative layouts of discharging liquid from the middle and absorbing liquid on two sides are adopted, and an infrared sensor (detecting the distance of gingiva and whether water in the mouth submerges the cleaning head) is integrated. Therefore, the replaceable cleaning head needs to be inserted into the main body through the long rod-shaped structure at the tail part to realize multiple fixed locking with the main body part. Meanwhile, when water in the mouth of the patient submerges the infrared sensor, the central processing unit reduces water output and enhances the water absorption function according to the reaction of middle and far infrared bands, and the problems of flushing fluid overflow and bucking are ingeniously solved; the intelligent control unit part is integrated with a central processing unit, a tightness detection sensing system and an alarm module, identifies the distance from the oral cavity tissue through an infrared sensor, and adaptively adjusts the cleaning mode (the negative pressure is increased by reducing the liquid outlet amount too close, and the pressure is increased too far, and the out-of-range prompt); and a quadruple error swallowing prevention mechanism (deep insertion butt joint, double fixation, tightness detection sound-light alarm and mobile phone APP linkage early warning) is synchronously constructed, and the operation of the pump set is suspended in case of abnormality. The oral care solution has the advantages that the effects of preventing mistaken swallowing and bucking are remarkable, the temperature and the cleaning force of the cleaning solution are controllable, and an implementation thought and method are provided for improving the oral care requirements of children of different age groups and achieving safety and practicability at the same time.

Apparatus and techniques described herein can include delivery of a surgical laser beam for tissue excision or to facilitate hemostasis. The surgical laser beam can be generated, for example, using an ultrafast laser source. Such an approach can provide non-invasive treatment in relation to, for example, aerodigestive anatomy, such as for treatment of laryngeal, oropharyngeal, bronchial, and oral cavity tissues. Other generally available laser sources and their associated treatments may present various drawbacks making them less suitable for treatment for laryngeal, pharyngeal or bronchial pathologies, and use of the apparatus and techniques described herein can address such drawbacks.

A dental procedure performed on target tissue without anesthetic or anesthesia including preconditioning the target tissue using a laser device constructed to produce light in a wavelength range of 2750 nm to 11500 nm, to provide an energy fluence in a range of 50 J / cm2 to 100 J / cm2, and to operate in a free running pulsed mode providing 60 μm bursts at a frequency of at least 50 Hz. Preconditioning includes selecting a combination of average optical output power and preconditioning time to administer low level laser therapy. The laser device is adjusted to deliver light through the light guide of the laser device at the selected average optical output power. Light delivered through the light guide of the adjusted laser device is directed toward the target tissue for the selected preconditioning time providing analgesia to the target tissue. Oral tissue is removed from the preconditioned target tissue during analgesia.

A biodegradable magnesium metal fixation pin for oral tissue fixation and its preparation method are disclosed. The fixation pin includes a pin head and a pin body. The entire fixation pin is made of 99.9-99.99% high-purity magnesium substrate, with no alloying elements added and an impurity content ≤0.01%. The surface of the fixation pin is sequentially coated with an oxide film layer and a polydopamine / hydroxyapatite composite coating. The oxide film layer has a thickness of 5-15 μm and a porous structure with pore sizes of 1-5 μm. The oxide film layer is prepared by a micro-arc oxidation process. The polydopamine / hydroxyapatite composite coating has a thickness of 10-20 μm, wherein the mass fraction of hydroxyapatite is 30-50%. This biodegradable magnesium metal fixation pin for oral tissue fixation features a reasonable structural design, excellent mechanical properties, and controllable degradation behavior.

This application provides a protective dental crown, comprising: a dental crown; and a retaining ring detachably connected to the side of the dental crown. The dental crown is fitted onto a target tooth for protecting missing teeth in elderly comatose patients. The retaining ring is fitted onto teeth surrounding the target tooth to secure the dental crown. Applied to comatose elderly patients, the crown covers the missing tooth, and then a retaining ring of appropriate size is fitted onto the patient's healthy teeth to secure the crown. This isolates the defective tooth, preventing contact with oral tissues and complications such as oral ulcers. The solution is simple to operate, convenient to use, and inexpensive, facilitating its widespread adoption.

This disclosure relates to systems and methods for the electrokinetic (EKF) delivery of therapeutic and cosmetic agents to oral tissues, including but not limited to enamel, dentin, cementum, gingiva, and mucosa. More specifically, it relates to modular, low-current dental treatment platforms configured to deliver active agents across or into oral tissues using flexible electrodes, voltage ramping logic, and optionally insulating or stabilizing structures.

The invention relates to the technical field of medical devices, in particular to an LED mouth lamp with a variable light spot and a single spectrum, which comprises a bracket, an adjusting mechanism for positioning adjustment is arranged at the front end of the bracket, the adjusting mechanism comprises a transverse assembly for transverse adjustment and a longitudinal assembly for longitudinal adjustment, and the transverse assembly and the longitudinal assembly are arranged on the bracket. Two mutually symmetrical flexible supporting plates are arranged on the inner side of the adjusting mechanism, a detection mechanism used for adjusting and detecting the oral cavity is arranged on the inner side of the adjusting mechanism, the detection mechanism comprises an adapting assembly used for adapting to the oral cavity, and the detection mechanism further comprises a detection assembly used for adjusting steering detection; through deep adaptation of the single-spectrum LED lamp body and the quantum imaging technology, the difference between a lesion area and normal tissue in quantum light scattering and absorption coefficients is enhanced by utilizing the specific effect of the single spectrum on oral tissues, so that the pathological characteristics of quantum patterns are clearer.

According to an exemplary embodiment, an intraoral phototherapy device is provided for that improves tissue illumination. Oral tissue illumination is particularly difficult in the oral cavity inside of the teeth. That is, it is particularly difficult to illuminate the roof of the mouth and tissues located towards the back for the throat. The intraoral phototherapy device improves illumination of these tissues using a probe having a cylindrical main body.

The application discloses a method for preparing a solid-state plasma matrix by optimizing ultraviolet irradiation, which comprises the following steps: loading a whole blood sample into a blood collection tube, and then centrifuging; separating a yellow gel solid from the top layer after centrifugation; and irradiating the obtained yellow gel solid from the top layer under ultraviolet light to obtain a solid-state plasma matrix; and the obtained solid-state plasma matrix is used for facial beautification and hair regeneration. The solid-state plasma matrix prepared by the method has the characteristics of higher strength and longer degradation time, improves the clinical application effect in oral tissue regeneration, widens the application scene, and solves the problems of insufficient strength and fast degradation speed of the current solid-state plasma matrix product.

This invention discloses an oral ablation detection method and system, belonging to the field of oral detection technology, including: S1, oral tissue sampling; S2, motion compensation; S3, image reconstruction; S4, lesion analysis; S5, ablation planning; S6, ablation execution. This invention utilizes phase-amplitude joint displacement estimation, extracting depth-direction micro-displacement using phase difference and lateral displacement using amplitude centroid shift. This effectively compensates for non-rigid tissue peristalsis caused by swallowing and tongue movements without relying on external markers or high-frequency frame rates, ensuring that the subsequently reconstructed three-dimensional image and ablation target area localization are not distorted due to motion, thus improving the targeting consistency between detection and treatment. Texture analysis at different scales is applied along the oral mucosal epithelium, basement membrane zone, and lamina propria, and depth-adaptive weights are assigned based on the pathological sensitivity differences of each layer, highlighting the probabilistic response of early cancerous areas.

The utility model provides a tooth appliance. The tooth appliance is used for pushing molar to move far and comprises an anterior tooth area, teeth contained in the anterior tooth area comprise target teeth, and the anterior tooth area is provided with a force transfer structure. The force transfer structure acts on the oral cavity tissue of the anterior tooth area or the target tooth to reduce the stress of the target tooth. The force transfer structure can reduce the stress of the target tooth by acting on the oral cavity tissue of the anterior tooth area or the target tooth, so that the situation that the supporting resistance of the tooth correction device on the target tooth directly acts on the target tooth to cause outward movement of the target tooth when the push molar moves far can be prevented, and the correction effect can be optimized.

The invention relates to a self-centering multi-ray dendritic ablation catheter. The invention discloses a catheter for ablating tissue with a self-centering multiray electrode assembly. The self-centering multiray electrode assembly may have a plurality of spines, each having a pre-formed expanded configuration that bends to change an orientation of the spines from pointing toward a distal end of the catheter body to pointing toward a proximal end of the catheter body. The ablation electrode engages oral tissue when the maximum outer diameter of the self-centering multiray electrode assembly engages the inner diameter of the vessel. The compliance of each spine may vary along its length. When the self-centering multiray electrode assembly is engaged within a vessel, the ablation electrode is in contact with tissue and may be used to form a lesion in a circumferential path around the vessel.

The invention provides a dental image segmentation method and system based on a frequency domain enhancement and dynamic scanning mechanism, the method is constructed on a visual state space model framework, and the core comprises a dynamic scanning part and a frequency domain enhancement part, the dynamic scanning block adaptively adjusts a sampling position and a scanning sequence through a trainable offset prediction network, dynamic scanning based on image content is realized, spatial continuity is kept, and the structural characterization capability is improved; frequency domain enhancement is combined with wavelet decomposition and spectrum pooling technologies, high and low frequency characteristics are balanced, and intermediate frequency components are enhanced, so that accurate boundary positioning and structure identification are still kept under unfavorable imaging conditions such as noise, light reflection and uneven illumination. Compared with the existing dental image segmentation method, the method provided by the invention can generate high-quality tooth, gingival and oral cavity tissue segmentation masks. The method can be widely applied to the fields of digital dental diagnosis, treatment planning and intelligent medical image analysis, and has relatively high practical value and popularization prospect.

In some embodiments, an apparatus comprises a housing, an emitter, and an electronic circuit. The housing is configured to fit within a patient's mouth. The emitter is at least partially encased within the housing. The emitter is configured to emit an effective amount of light to the alveolar soft tissue when the housing is disposed within the mouth. The electronic circuit is operatively coupled to the emitter. The electronic circuit is configured to control the emitter when the housing is disposed within the mouth and the apparatus is in use during orthodontic treatment. The apparatus and its use for regulating tooth movement or maintaining or improving oral tissue health are disclosed herein.

An imaging system may include: a first light source configured to emit a first source spectrum of collimated light; a second light source configured to emit a second source spectrum of light; a probe head configured to direct the first source spectrum and the second source spectrum toward tissue in an oral cavity and to collect a first feedback spectrum of light and a second feedback spectrum of light; an interferometry sub-system to generate an optical feedback signal using the first source spectrum; at least one optical sensor array for receiving the optical feedback signal and the second feedback spectrum; and at least one programmable processor to generate: a first diagnostic image of the tissue using the optical feedback signal; a second diagnostic image of the tissue using the second feedback spectrum; and a third diagnostic image from a combination of the first diagnostic image and the second diagnostic image.

This invention discloses a three-quadrant split-type oral impression tray and its usage method. The tray is composed of a left posterior tooth component, a right posterior tooth component, and an anterior tooth component that can be detachably assembled. The left and right posterior tooth components are symmetrically structured, and each has a pair of L-shaped protrusions along its length. The anterior tooth component has corresponding mating grooves at the L-shaped protrusions. The metal connectors adopt a foolproof asymmetrical tenon design. After being inserted into the mating grooves, they achieve smooth locking through precise clearance tolerances. At the same time, magnetic suction pieces are pre-installed in the mating grooves. The tray can be quickly disassembled into three independent units, adapting to various scenarios of partial impression taking for single jaw full teeth, anterior teeth, and anterior teeth and unilateral posterior teeth. When taking an impression, the surface contact between each component and the oral tissue ensures stable support. When demolding, linear separation is achieved by disassembling the components to disperse resistance. All connectors and mating structures are located at the bottom of the tray, completely avoiding encroachment on the operating space outside the oral cavity.

The invention provides a parameter setting method and device for an endoscope system and a storage medium, and the method comprises the steps: obtaining the target depth of a camera, the target depth being used for representing the oral cavity depth of the camera at a target position; target reflection parameters of the target position are determined, and the target reflection parameters are used for representing the reflection characteristics of the oral cavity tissue; and determining a target light parameter based on the target depth and the target reflection parameter, configuring an LED lamp based on the target light parameter, and obtaining a target image of the target position through the camera. According to the technical scheme of the embodiment of the invention, the light parameters of the LED lamp can be automatically adjusted according to the oral cavity depth of the camera and the light reflection characteristic of oral cavity tissue, and the use experience of the endoscope is optimized.

The utility model discloses a tooth implantation windowing type transfer rod, which relates to the technical field of tooth implantation and comprises a rod body, a threaded column is arranged at the bottom of the rod body, a transfer cap is arranged on the threaded column in a threaded manner, the rod body is rotatably arranged in the transfer cap, a positioning column is arranged at the bottom of the threaded column, and a positioning hole is formed in the positioning column. A rotating mechanism capable of rotating circumferentially is arranged in the rod body, a stretching mechanism used for elastic stretching is arranged on the rotating mechanism, the stretching mechanism is arranged on the rod body, a limiting mechanism used for sliding clamping is arranged in the rod body, and the limiting mechanism is arranged on the stretching mechanism. The rotating mechanism comprises a T-shaped cylinder, a T-shaped circular groove is formed in the rod body, and the T-shaped cylinder is rotationally installed on the inner wall of the T-shaped circular groove, so that the height is convenient to adjust, the situation that due to the height problem, the oral cavity tissue of a patient is rubbed or damaged in the mold taking process is avoided, operation is easy, flexibility is high, and practicability is high.

A nanoparticle composition for oral care includes at least one of a first set of spherical nanoparticles or a second set of coral shaped nanoparticles, and a stabilizing agent. The nanoparticle composition is added to a carrier suitable for application to an oral cavity, including to teeth and surrounding oral tissues. The nanoparticle composition can be a stable, 1-part composition. The nanoparticle composition is configured to control the pH of the microenvironment to which it is applied, thereby preventing and / or treating a variety of oral conditions. The nanoparticle composition can be provided as a concentrated nanoparticle additive addable to a mouthwash, mouth rinse, dentifrice, mouth spray, oral gel, denture cleaning solution, or other carrier suitable for oral application. The oral care composition is not a nasal spray.

The invention discloses a high-strength titanium alloy bridge frame for tooth implantation, which belongs to the technical field of implantation bridge frames, and comprises a bridge frame body, an implantation abutment assembly, a composite locking mechanism and an elastic buffer assembly, the bridge body is integrally formed by Ti-6Al-4V ELI titanium alloy and a zirconium element composite modified material, an arc-shaped avoiding groove is formed in the bottom of the bridge body, and the inner wall of the bridge body is covered with a composite biocompatible coating. The composite locking mechanism extrudes an expansion sleeve with an open slot through a conical expansion section of a locking bolt, so that the composite locking mechanism is stably matched with the fixed base station; the elastic buffer assembly is composed of a buffer spring and a medical silicone rubber buffer pad, and can effectively absorb the occlusion impact load. Gaps are prevented from being generated through a double locking structure, the impact resistance is improved in combination with the buffering assembly, the bridge is stably fixed for a long time in cooperation with a high-strength biocompatibility material, the service life of the implant system is prolonged, meanwhile, the implant system has good oral cavity tissue adaptability, and the implant system is suitable for implant repair scenes with dentition defects or missing.

1. Name of the product in this design: Binocular dental camera. 2. Purpose of this design: For image acquisition of oral tissues, teeth, and other parts, to assist in oral examination, diagnosis, and treatment. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model discloses an oral cavity washing observation device for tumor patients after radiotherapy, which relates to the technical field of medical instruments and comprises a support plate, a support is fixedly arranged on one side of the top end of the support plate, a rotating rod is rotatably arranged at the top of the support, a support is fixedly arranged in the middle of the rotating rod, and a lower jaw plate is fixedly arranged at the top end of the support. An adjusting assembly for adjusting the lower jaw plate is arranged on one side of the support, a water storage tank is arranged below the supporting plate, and a heating rod is arranged in the water storage tank; the flushing treatment device has the advantages that the position of the lower jaw plate is flexibly adjusted according to individual requirements of patients, treatment adaptability and patient satisfaction are improved, and different patients can conveniently obtain the best comfort experience when receiving flushing treatment; it is ensured that the water body is kept in a proper heating state for use, stimulation of cold water to oral mucosa is avoided, and the recovery process of oral tissue is possibly promoted to a certain extent.

The invention discloses a tooth detection device with a built-in standard reference object. The device comprises a host assembly, a shading cylinder, a fixing support and an oral cavity expansion device. An image acquisition device and a light source assembly are integrated in the host assembly; the shading cylinder is used for constructing a darkroom environment; the fixing support is connected to one end of the shading cylinder and provided with a reference piece located on the edge of the imaging view field so that the reference piece and tooth images can be synchronously collected. The oral cavity expansion device is detachably connected to the end of the shading cylinder and provided with an isolation part, and the isolation part is configured to cover and wrap a reference piece on the fixing support so as to form physical isolation between the reference piece and oral cavity tissue. According to the invention, detection errors caused by light source fluctuation and environmental interference are effectively eliminated through a same-frame real-time calibration mechanism; meanwhile, the isolation part is used for preventing saliva and water vapor from polluting the reference part, so that the long-acting stability of a detection standard is ensured, and the sanitary safety and comfort of clinical use are improved.

The application discloses a cantilever type instrument operation parameter optimization trajectory planning method for a multi-constraint field coupling in a limited space, and relates to the technical field of dental robots. In the tooth preparation process, the instrument is prone to collision with the tooth and oral tissue in the limited space in the oral cavity, and the end force deformation affects the machining precision. The technical points are as follows: the residual volume of the interaction between the bur and the tooth is calculated, and an end force deformation model based on grinding force, friction force and extrusion force is established; a penalty function containing the collision between the bur and the tooth, the collision between the handle of the dental handpiece and the mouth and the tooth is constructed, and the space collision detection is carried out through the enclosing ellipsoid method; in combination with the continuity requirement of the joint angle, an optimization function taking the material residual volume, the comprehensive deviation of the end deformation and the motion smoothness as targets is established, and a multi-objective optimization algorithm is adopted to solve the optimal instrument pose and joint parameters; and the operation parameters of the cantilever type instrument under multiple constraints are optimized under the premise of ensuring the preparation accuracy and safety.

This invention discloses a personalized occlusal surface design method for fully anatomical dentures, belonging to the field of computer-aided design technology. The method first obtains the instantaneous rotation center change rate sequence of the condyle after joint damping correction, the contact points on the guide ramp of the designed tooth, and the corresponding contact points on the functional ramp of the opposing tooth. Then, it obtains the normal curvature and the difference in normal curvature along the relative motion direction at the contact points and their corresponding points. Combining the instantaneous rotation center change rate after joint damping correction, the difference in normal curvature, and oral tissue material parameters, a multi-objective comprehensive evaluation coefficient is constructed. Finally, with the goal of minimizing this coefficient, the occlusal surface morphology of the designed tooth is iteratively optimized until the evaluation coefficients of all contact points meet a preset threshold. This invention, by introducing joint damping correction and a multi-objective optimization strategy, achieves personalized design of the denture occlusal surface, effectively improving the biomechanical adaptability, chewing efficiency, and long-term stability of the denture.