75 results about "Oral tissue" patented technology

The invention relates to the technical field of oral implantation monitoring, and discloses a monitoring method for analyzing oral implantation health based on using images. The method comprises the following steps: acquiring an optical image data sequence of an oral implanting region by adopting optical scanning equipment, constructing a three-dimensional oral tissue model containing gingival contour features and an implant position, and identifying actual position distribution information of an implant in gingival tissue; and extracting an implant health index set comprising an implant marginal definition value, a surrounding gingival red and swollen area proportion and a gingival atrophy degree value. When any index exceeds a preset health threshold interval, abnormal early warning information is generated, scanning parameters are dynamically adjusted, and images are collected again for iterative monitoring. According to the method, dynamic and accurate monitoring of oral implant health can be realized, health abnormity of the implant can be found in time, and support is provided for long-term health maintenance of the implant.

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 invention relates to the technical field of image processing, and discloses an oral squamous cell carcinoma invasion depth measurement method and system based on artificial intelligence. The method comprises the steps of performing standardization processing on oral tissue slices through a three-dimensional preprocessing algorithm to obtain a tumor mask image and a confidence map, then performing multipoint sampling deployment of a virtual measurement agent on the tumor surface, detecting feasibility of an invasion path by using a tissue resistance model, performing multi-branch feature extraction and deep regression calculation through an OSCC-DepthNet network, and finally obtaining the tumor mask image and the confidence map through the OSCC-DepthNet network. And obtaining an invasion path and a depth value of each agent, fusing multi-agent measurement results by adopting a confidence weighting algorithm, and outputting an oral squamous cell carcinoma invasion depth value and an uncertainty estimation value. The technical problems that an existing oral squamous cell carcinoma invasion depth measurement method is insufficient in three-dimensional space measurement capacity, too high in calculation complexity, poor in real-time performance and lack of an effective uncertainty quantification mechanism are solved.

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 relates to a ventilation device for gastroscopy in an anesthesia state, belongs to the technical field of medical instruments, and solves the problems that in the prior art, a gastroscope access channel and an oxygen supply channel are parallel, the occupied space of the oropharynx is large, placement is inconvenient, oxygen supply cannot be effectively guaranteed, and oral cavity tissue is prone to being damaged. The device comprises a protection tube unit and a ventilation catheter, wherein the ventilation catheter is arranged on the protection tube unit; the protective tube unit is used for being connected to the outer wall of a gastroscope in a sleeving mode during gastroscopy, and the outer wall of the gastroscope is prevented from rubbing the throat of a patient. High-flow oxygen is input into the respiratory tract of a patient through the gap between the protective tube unit and the gastroscope, so that the patient can keep effective breathing. According to the ventilation device, an existing gastroscope access channel and an existing oxygen supply channel which are arranged side by side are improved into the mode that only one pipe is used for effective ventilation, the gastroscope body of the gastroscope and the throat of a patient can be isolated at the same time, the occupied space of the oropharynx is small, implantation is convenient, and tissue damage is reduced.

The utility model belongs to the technical field of dental prosthesis design, and particularly discloses a hollow base liquid storage type removable denture which comprises a base and artificial teeth arranged on the base, the base is a hollow base with a liquid storage cavity, the hollow base is provided with a plurality of overflow discharge channels communicated with the liquid storage cavity, and the diameter of the outlet end of each overflow discharge channel is 0.3-1mm; a plurality of tissue surface adsorption structures are arranged on the tissue surface part of the base plate. The removable denture disclosed by the utility model can automatically and slowly release artificial saliva, so that the dry feeling of an oral cavity is reduced; due to the design of the tissue surface adsorption structure on the tissue surface, the contact area between the base plate and the oral cavity tissue is increased, so that the adsorption force is improved.

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.

The present invention addresses the problem of providing a cell population isolated from a living body, which contains mesenchymal cells that have a prescribed cell surface antigen molecule and can be used in the production of a cell sheet. A cell population that is isolated from a living body and contains 80% or more of mesenchymal cells that express at least one type of cell surface antigen molecule selected from the group consisting of CD13, CD59, CD49e, CD151 and CD280 is used. The mesenchymal cells are preselected from cells collected from tissues in the oral cavity or a culture thereof, and preferably express at least three or more types of cell surface antigen molecules selected from the group consisting of CD13, CD59, CD49e, CD151, and CD280.

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.

1. Name of the product in this design: Rubber barrier. 2. Purpose of this design: During dental treatment, it isolates the treatment area to prevent contamination from saliva, blood, etc., while protecting the patient's oral tissues. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key features: the front view.

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 utility model relates to the technical field of oral medical equipment, and provides a device for pulling out a horizontal impacted cross section root of a mandibular third molar, which comprises a suction component, a pulling component and a limiting component, the suction component is detachable and covers a second molar to form a limiting part, and the limiting component limits the pulling component. The extraction component is used for extracting the root parts of the segmented teeth; the suction component comprises a suction groove, an inflation pipeline, an inflation pump and a supporting air bag, one end of the inflation pipeline is connected with the supporting air bag, the other end of the inflation pipeline is connected with the inflation pump to form inflation parts, the suction groove covers the second molar in a buckled mode, the inflation parts are arranged on the two sides of the suction groove, and the suction groove is attached to the second molar; the limiting component is arranged on the upper end face of the suction groove and detachably connected with the pulling-out component. The novel device for pulling out the transverse root of the horizontal impacted tooth has the advantages of low risk of inferior alveolar nerve injury, high patient comfort, strong oral cavity tissue protection capability and simplicity and convenience in operation.

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.

The utility model discloses a motor and an electric toothbrush. The motor comprises a housing, a stator assembly and a rotor assembly. A containing space is formed in the machine shell. The stator assembly is arranged in the accommodating space and comprises an excitation piece and a magnetic piece. The excitation piece comprises an excitation frame and a coil winding. The excitation frame surrounds to form an excitation space. The excitation frame comprises a winding part and a limiting part which are connected, and the coil winding is wound around the winding part. The rotor assembly is arranged in the excitation space and comprises a rotor iron core, and the rotor iron core is used for being magnetized under excitation of a magnetic field generated by the excitation piece and generating acting force with the magnetic piece so as to rotate in the excitation space in a reciprocating mode. Wherein the limiting part is located in the excitation space, and the limiting part is used for limiting the reciprocating rotation of the rotor iron core. The rotor is limited through the arrangement of the limiting part, and the situation that the rotor rotates out of a preset range, and consequently the brush head of the electric toothbrush stimulates sensitive parts of the oral cavity of a user and even damages oral cavity tissue of the user is avoided.

The utility model belongs to the technical field of dental auxiliary tools, and particularly relates to a medicine storage closed type tooth socket which comprises a tooth socket body matched with oral cavity tissue, a plurality of liquid blocking flanges are arranged on the inner side of the tooth socket body, and the bottom of the tooth socket body is concaved inwards to form a liquid blocking ridge. The liquid blocking flanges, the liquid blocking ridge, the tooth socket body and the oral cavity tissue are enclosed to form a plurality of medicine storage bins, the oral cavity tissue comprises teeth and gingiva, and the liquid blocking flanges are arranged at intervals in the tooth arrangement direction and correspond to the teeth. The device can treat periodontitis after orthodontics and promote periodontal tissue repair, has high comfort and convenience, and is specially adapted to a night wearing scene.

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.

To solve the problem that when an excessive force is applied to a conventional toothbrush in a certain direction, particularly when the toothbrush is used by an infant, an elderly person, or a caregiver, the user may suddenly feel irritation or pain to the stems of the back teeth or oral tissues.SOLUTION: The present invention relates to a toothbrush that includes a toothbrush head having a plate-like head body and a brush implanted on one surface side in the thickness direction of the head body, a branch extending to one end in the longitudinal direction of the head body, and a cushioning material formed of an elastic body and provided on the other end of the head body. An antibacterial low-repulsion urethane attachment is attached to the tip of the head of the toothbrush. This urethane is subjected to special processing to exhibit antibacterial properties and at the same time retain softness and moderate repulsive force. Such a configuration reduces sudden pain and irritation during brushing.SELECTED DRAWING: Figure 1

The invention relates to the technical field of three-dimensional modeling, in particular to an oral cavity three-dimensional scanning and data reconstruction method based on laser diffraction, and the method comprises the steps: carrying out the neighbor search of an initial oral cavity point cloud model, and obtaining a curvature ratio change curve of each search radius; determining a target curvature threshold value according to the fluctuation condition of each curvature proportion change curve; performing grading processing by using the target curvature threshold to obtain each curvature grade; obtaining an updated point cloud area of each first curvature level, each point cloud area corresponding to each matched curvature level and a point cloud area of each residual curvature level, analyzing the space size and level of the point cloud areas to determine the size of a thinning voxel, and carrying out thinning processing on the point cloud areas of the corresponding curvature levels. And obtaining a diluted oral cavity point cloud model. According to the method, the key oral tissue characteristics are effectively reserved while the thinning effect of the oral point cloud model is ensured, and data reconstruction is facilitated.

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.