54 results about "Oral surgery" patented technology

The invention relates to the technical field of tooth image analysis equipment, and particularly discloses a tooth image analysis method for oral surgery. Through the steps of periodontal condition assessment and intelligent adjustment of image shooting positions, image data acquisition and preprocessing, intelligent segmentation of teeth and surrounding tissue structures, three-dimensional reconstruction and feature quantitative extraction, intelligent risk assessment and surgical scheme recommendation, analysis report generation and interactive optimization and the like, accurate analysis and surgical assistance of tooth images are realized; various advanced algorithms and models are adopted, the accuracy and efficiency of image analysis are improved, and a scientific and reliable reference basis is provided for oral surgery.

The invention provides an automatic guiding method and system for an operation area of an oral operation robot and a storage medium, and the method comprises the steps: controlling the oral operation robot to drive a planting cellphone to move from a drill point replacement area to the operation area to obtain a reference path sequence after a conversion relation is established among a plurality of related three-dimensional coordinate systems; and automatically guiding the path sequence based on the reference path sequence, and controlling the operation of the oral surgery robot according to the real-time three-dimensional coordinates of the discrete path points in the three-dimensional coordinate system of the base under the automatic guiding path sequence. Based on the technical scheme, the efficiency can be effectively improved, and the operation safety is ensured.

1. Name of the product in this design: Spherical barbed drill. 2. Purpose of this design: for use in oral 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.

The invention discloses an oral osteotomy navigation system based on mixed reality interaction, which relates to the technical field of stomatology and comprises a preoperative sensing module, an oral model construction module and a deformation analysis module. According to the method, real-time acquisition of intraoperative biomechanical signals is realized through a sensor array, an oral cavity model is established to reproduce the geometrical morphology and spatial relationship of bones and nerve blood vessels, key anatomical labeling and biomechanical attribute labeling are performed on an oral cavity operation area, the biomechanical signals are input into a pre-trained deformation prediction model, and a deformation prediction result is obtained. The method comprises the following steps: dynamically updating the structural shape of an oral cavity model, predicting the movement risk of a surgical instrument in the next few seconds based on the updated model, calculating and generating a three-dimensional virtual safety protection area according to an operation prediction risk result and the real-time position of the surgical instrument, and defining a clear safety range for surgical operation. And the safety protection area range and the warning intensity are automatically adjusted according to the bone hardness and the instrument approaching speed, and operation constraint and guidance on the physical level are achieved.

The utility model discloses a cylindrical bone drill relates to the field of medical devices, and the cylindrical bone drill includes: drill body and the coaxial setting connecting handle with it, wherein, the drill body is the cylindrical structure of diameter 2.2 5.8mm, in the drill body including the spiral cutting head of integral processing formation, the spiral cutting head is by 4 10 spiral distribution cutting blade of the axial distribution of drill body constructs, and the front blade of every cutting blade is 58 62 with drill body axis angle of clamping, and the depth value of cutting blade is 0.5 1.45mm, and the outer periphery of drill body is equipped with the marking unit that the annular concave point circle group of the axial interval of 1 3mm is composed, the cylindrical bone drill of the utility model has cutting stable, bone mud delicate, mark clear and the like advantage, is applicable to the precision oral surgery such as planting, periodontal in autogenous bone collection and bone mud preparation, improves the operation efficiency and accuracy.

Embodiments of the present application disclose a method and device for extracting root canal feature morphology based on CBCT data, equipment and medium, belong to the field of oral medicine and medical image technology, wherein the method comprises: filtering and denoising CBCT images and performing pulp segmentation processing, and performing surface rendering three-dimensional reconstruction on tooth root canals to generate a three-dimensional model; based on the regular point cloud data in the three-dimensional model, a point-surface method is used to realize surface reconstruction to generate a root canal entity model; the root canal entity model is subjected to coordinate alignment processing in a three-dimensional space, and the approximate center line of the fitted root canal is used to measure the root canal length, root canal opening direction, root canal curvature and pulp depth. The present application quickly reconstructs the corresponding three-dimensional model based on the CBCT tomographic images obtained by scanning the teeth of a patient, and obtains relevant data such as pulp depth and root canal opening size from the three-dimensional model of the teeth to assist the performance of oral surgery.

The invention discloses an antibacterial composite periosteum for an oral cavity and a processing technology of the antibacterial composite periosteum, and relates to the technical field of periosteum. The method specifically comprises the following steps: step 1, treating defatted pig peritoneum with a decellularized solution, cleaning and sterilizing to obtain a pig peritoneum decellularized matrix; 2, treating the pig peritoneal decellularized matrix with a glyoxal solution, cleaning, and sterilizing to obtain a pretreated pig peritoneal decellularized matrix; step 3, uniformly coating the surface of the pretreated porcine peritoneal acellular matrix with an antibacterial solution, and performing sterilization, standing and freeze-drying to obtain the antibacterial composite periosteum. Wherein the antibacterial solution is prepared from the following raw material components in concentration: 1 to 2 weight percent of modified chitosan, 0.2 to 0.4 weight percent of amino-terminated polyethylene glycol and 0.01 to 0.05 weight percent of p-toluenesulfonic acid, and a solvent is a PBS (Phosphate Buffer Solution). The antibacterial composite periosteum is good in biocompatibility and has excellent clinical application value in oral surgery.

The invention relates to the technical field of tractors for oral surgery, in particular to a retractor for oral maxillofacial surgery, which comprises a frame, a mounting rod and an adjusting mechanism. A mounting seat is arranged on the mounting rod, a first support is arranged on the mounting seat, an adjusting seat is movably mounted on the first support, and a traction rod and a buffer assembly are arranged on the adjusting seat; the adjusting mechanism is used for controlling the adjusting seat to slide on the first support. A guide rod, a limiting block and a first elastic piece are arranged on the mounting seat; a first ratchet bar is arranged on the mounting plate, the mounting plate is in sliding fit with the guide rod, the end, away from the mounting base, of the guide rod is connected with a limiting block, and the two ends of the first elastic piece are connected with the mounting plate and the limiting block respectively. The function of flexible adjustment of the traction force is achieved, the effect of adjusting the traction force of the traction rod is achieved through cooperation of the adjusting mechanism and the buffering assembly according to the operation requirement, and the technical problem that due to the fact that a traditional traction device lacks buffering in force adjustment, tissue damage is likely to be caused is solved.

The invention discloses an operation space isolation device for oral surgery, relates to the technical field of oral auxiliary instruments, and realizes stable fixation without clamping teeth through deformation clamping fit of an elastic limiting piece and a vertical part, so as to avoid tooth and periodontal injury; the straight sections, oppositely arranged, of the horizontal part are matched with the tongue side and the cheek side of the teeth, the mounting structure is stabilized by combining a cotton roll, tongue interference and saliva invasion are synchronously blocked, and fixing and interference prevention are integrated; fixing, releasing and adjusting are convenient and fast in operation, the overall structure is compact, excessive oral cavity space is not occupied, different tooth forms and clinical scenes are adapted, the diagnosis and treatment efficiency of an operator is improved, the misoperation risk is reduced, and the comfort level and diagnosis and treatment compliance of a patient are improved.

An oral surgical retraction article comprises a polyester or polyether polyurethane foam sponge, or a combination thereof, that is sterilizable and has a porosity between not less than 45 pores per inch (ppi) and not more than 105 ppi and configured in size and shape for retracting a gingival flap during an oral surgery.

The utility model relates to the technical field of medical instruments, in particular to a lower jaw supporting device for oral surgery, which comprises a front neck support, a lower jaw support with an arc-shaped structure is arranged above the front neck support, the lower jaw support is adjustably connected with the front neck support through an adjusting mechanism, and the left side and the right side of the lower jaw support are adjustably connected with the front neck support through supporting mechanisms. The adjusting mechanism comprises a fixing plate, the fixing plate is horizontally and fixedly arranged on the annular face of the front neck support, a through groove used for rotation of a guide sleeve is formed in the fixing plate, the guide sleeve is arranged in the through groove, an adjusting lead screw is inserted into the guide sleeve, and an adjusting knob is screwed to the position, located on the lower side of the guide sleeve, of the adjusting lead screw. The upper end of the adjusting lead screw is hinged to the lower jaw support through a hinge head. The lower jaw of a patient can be supported in an adjustable mode, the fatigue of the jaw of the patient is relieved, the situation that the oral cavity is injured due to the fact that the lower jaw is driven to move by unconscious movement is prevented, and a good operation view and operation convenience are provided for doctors.

The application discloses a saliva suction and moisture isolation integrated nursing instrument in oral surgery, and belongs to the technical field of oral nursing, which comprises a base installed on one side of a negative pressure suction assembly and used for open mouth support, and one side of the base is provided with a tongue blocking plate; a saliva suction and debris discharge structure comprising a sliding tube penetratingly and slidingly arranged in the base and used for sucking saliva; the saliva suction and debris discharge structure is further provided with a reset component used for resetting the sliding tube after the discharge of debris and continuously sucking saliva; and a debris discharge assembly comprising a debris discharge rod arranged in the sliding tube and used for cleaning the debris clogging one end of the sliding tube. In the application, the functions of saliva suction, debris discharge and reset are integrated in the integrated saliva suction and debris discharge mechanism, the unblocking action is automatically triggered by using the negative pressure difference, when dental calculus and tooth debris clog the saliva suction channel, the debris discharge and reset are automatically completed, manual intervention is not needed, the pipeline clogging is avoided from the root, the continuous saliva suction is ensured, and the diagnosis and treatment continuity and operation efficiency are remarkably improved.

The invention discloses a mouth opening device for oral surgery, which relates to the field of medical instruments for oral surgery and comprises a head fixing component and an upper and lower jaw adjusting mechanism. The head fixing assembly comprises an arc-shaped head hoop, an adjusting bandage with a hook-and-loop fastener, and a U-shaped lower jaw support rotationally connected with the lower portion of the arc-shaped head hoop through a damping rotating shaft. The upper and lower jaw adjusting mechanism comprises an upper jaw supporting plate, a lower jaw supporting plate and an adjusting assembly, a sliding groove is formed in the lower portion of the arc-shaped head hoop, the adjusting assembly is slidably connected with the sliding groove through a telescopic rod, an anti-skid rotating handle is arranged on the adjusting assembly to adjust the distance between the supporting plates, and the device can stably fix the head, avoid shaking in the operation and improve the operation precision. The opening degree can be finely adjusted in real time to adapt to different operation requirements and oral shapes of patients; the silica gel cushion, the inclined plane design and the torsional spring buffering reduce compression stimulation, the comfort level of a patient is high, the device is suitable for children, maxillofacial deformity and other people, and efficient oral surgery diagnosis and treatment are assisted.

The invention discloses a dental robot master-slave tracking error outer ring pre-correction method based on an SAO-LSTM neural network, relates to the technical field of oral robots, and aims to solve the problems of low positioning precision and poor safety caused by relatively large master-slave tracking error of a dental robot. According to the method, an SAO-LSTM prediction model combined with a snow ablation optimization algorithm is designed so as to approach an inner ring dynamic behavior of a slave hand robot; taking the dynamic interaction data of the master and slave robots as network input, and obtaining a predicted value of a master and slave position tracking error; the range of the predicted value is limited by using the designed safety limiter, so that potential risks in the operation process of the master and slave robots are avoided; and inputting the pre-corrected master hand position instruction into a kinematics planner of an outer ring of the slave hand robot to realize accurate interaction between the tail end of the slave hand robot and the diseased tooth. The result shows that the SAO-LSTM neural network has good generalization ability and prediction performance, so that the master-slave tracking error meets the precision and safety requirements of oral surgery in clinic.

This invention discloses a surgical guide for simultaneous implantation of maxillary sinus fluid extraction and internal lifting, belonging to the field of oral surgery technology. It includes a fixation device and a guide plate. The fixation device is fixed to the patient's dentition. A guide plate is located on one side of the fixation device, and an extension rod is located on the inner side of the fixation device, extending towards the missing molar. The guide plate is fixed to the extension rod and has an implant positioning hole at the missing dentition. A fenestration guide opening is located on the outer side of the patient's dentition. The fenestration guide opening guides the extraction of maxillary sinus fluid. Through this invention, the fixation device and the guide plate are connected and fixed. The guide plate has an implant positioning hole on the missing dentition and a fenestration guide opening pointing towards the patient's maxillary sinus. By setting the fenestration guide opening, the scope and depth of the fenestration can be clearly defined, significantly reducing the possibility of surgical errors and complications. Through the implant positioning hole on the guide plate, the internal lifting procedure is completed simultaneously, achieving precise implant placement.

The utility model relates to a rapid measuring device and an oral surgery robot. The rapid measuring device comprises a guide rod, a guide cylinder, a first structural plate and a second structural plate. And the guide rod penetrates through the guide cylinder and is matched with the guide cylinder in a manner of moving relative to the guide cylinder. One end of the guide rod comprises a rod measuring end, and one end of the guide cylinder comprises a cylinder measuring end. The rod measuring end of the guide rod extends out of the guide cylinder from the cylinder measuring end. The first structural plate is arranged at the rod measuring end, and the second structural plate is arranged at the barrel measuring end. The first structural plate is provided with a clamping groove used for rapidly clamping the mounting end of the drill bit. The second structural plate is provided with a guide groove corresponding to the clamping groove, and the guide groove is used for being matched with the drilling end of the drill bit to quickly determine the orientation of the drill bit. The first structural plate is further provided with a distance measuring part, and the distance measuring part is used for obtaining the length of the drill bit by measuring the distance between the first structural plate and the second structural plate after the drill bit is clamped.

The invention discloses an augmented reality oral surgery-oriented endoscope and CBCT image automatic registration method and system based on deep learning, and relates to the technical field of oral surgery augmented reality surgical navigation and image fusion. According to the method, the cross-modal multi-level features are extracted through the double-branch neural network system, the improved SuperPoint, Transform architecture, a GAT model and a multi-level optimization algorithm are combined, full-automatic and high-precision registration without manual marking is achieved, and stable pose constraints are provided for augmented reality registration; registration translation and rotation errors respectively reach sub-millimeter and sub-degree levels, the anti-interference robustness is high, a preoperative CBCT three-dimensional model and a key anatomical structure can be registered and superposed in an intra-operative endoscope view in an augmented reality mode, the anatomical structure visualization and nerve protection capability in oral operations such as impacted wisdom tooth extraction is remarkably improved, and the method is suitable for popularization and application. And the system can also be expanded to laparoscopes, arthroscopes and other endoscopes for augmented reality operation scenes.

The assistor comprises a silica gel pad, the silica gel pad comprises a sleeve body and protection wings, the protection wings are symmetrically arranged on the two sides of the sleeve body and integrally formed with the sleeve body, the surfaces of the protection wings are in smooth connection with the surface of the sleeve body, and the tops of the protection wings are arc-shaped faces which are concave inwards. The mouth angle pull hook comprises a pull hook body and an assist device, and the assist device is arranged at the bent position of the pull hook body in a sleeving mode. According to the utility model, through the assistor made of the silica gel material and the fitting design of the shape of the mouth corner, the discomfort in the use process is obviously reduced. The design of the protective wing and the arc-shaped surface effectively prevents the mouth corner pulling hook from scratching and pressing the skin of the mouth corner. The assistor is tightly matched with the pulling hook body, so that the mouth corner pulling hook is more stable in the using process, and operation of a doctor is facilitated. The utility model is suitable for various oral operations and examinations, and is helpful for improving medical efficiency and patient satisfaction.

The invention provides a multi-mode cooperative control method and system for an oral surgery robot, and belongs to the technical field of medical robots. The method comprises the steps that operation planning and space registration are completed, and a drill bit and an optical tracking ball are rigidly fixed to the tail end of a mechanical arm; a manual mode is started for coarse positioning, the mechanical arm is dragged, the optical navigator tracks the pose in real time and visualizes deviation, and the mechanical arm provides force assistance; after the drill bit reaches the preset range of the target area, the drill bit is switched to an automatic mode, and fine adjustment is completed through hand-eye calibration, probe calibration and closed-loop control; then switching to a cooperation mode, locking a preset direction dimension by the mechanical arm, controlling the implantation depth, and ensuring that a motion path is stable by the central processing unit through a dynamic constraint algorithm; and after the drill bit reaches the planned depth, the mechanical arm locks the depth direction, and the cooperation mode ends. According to the invention, the problems of insufficient precision and poor flexibility of the traditional technology are solved, and the positioning precision, the operation safety and the clinical execution efficiency of the oral surgery are improved.

The invention relates to a head fixing device for an oral surgery. The head fixing device comprises a helmet body, a lower jaw posture limiting module, an annular head restraining module, a left-right posture adjusting module and a helmet body fixing cavity. The lower jaw posture limiting module comprises a lower jaw support assembly and a first adjusting assembly, the lower jaw support assembly is slidably connected with the helmet body, and the first adjusting assembly is installed on the helmet body and connected with the lower jaw support assembly; the annular head restraint module comprises a first bandage, a second bandage and a second adjusting assembly, and the other end of the first bandage and the other end of the second bandage are connected with the second adjusting assembly; the left and right posture adjusting module comprises two bandage displacement limiting blocks and two elastic pieces, the first bandage and the second bandage penetrate through the two bandage displacement limiting blocks respectively, and the two bandage displacement limiting blocks are connected with the helmet body respectively; the relative movement of the head and the helmet body can be completely limited in the up-and-down, front-and-back and left-and-right dimensions, and the millimeter-level precision requirement of the oral surgery is met.

A trans-oral surgery device has a scaffold insertable into the vicinity of the larynx or hypopharynx of a subject. A support is arranged for holding a flexible optical fiber for delivering light to the subject. A plurality of tendons is connected to the support, and slidably anchors the support to the scaffold. The tendons are adjustable to move the support relative to the scaffold. The scaffold is provided at the front end of a blade, and the blade is non-straight.

1. The name of the design product: the head of the ultrasonic surgical knife. 2. The use of the design product: used with the ultrasonic surgical instrument, installed on the handle of the ultrasonic surgical instrument, cutting and polishing the bone and teeth during the process of oral surgery. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The invention relates to a moldable collagen-based artificial bone repair material as well as a preparation method and application thereof, and belongs to the technical field of biomedical materials. According to the preparation method of the moldable collagen-based artificial bone repair material, the bone repair material with excellent water absorption, plasticity and operability is obtained, the softening condition of the bone repair material is not limited, the material can be softened by normal-temperature normal saline without additional treatment such as heating, the use method is simple, and the cost is low. The device can be used in defect repair operations in the department of stomatology and the department of orthopaedics, and is wide in adaptation disease.

1. Name of the product in this design: Cylindrical drill bit with spikes. 2. Purpose of this design: for use in oral 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: 3D view 1.

The utility model discloses a hydrophobic and breathable rubber barrier for oral medicine, and belongs to the technical field of oral medical assistance. In order to solve the problem that a user cannot breathe smoothly due to the airtight characteristic of a rubber barrier, the rubber barrier comprises a rubber barrier perforated plate and rubber barrier cloth, the rubber barrier cloth comprises at least one hydrophobic breathable area, the hydrophobic breathable area is made of an elastic synthetic fiber material, a latex material structure is arranged on the periphery of the hydrophobic breathable area, and the latex material structure corresponds to the position of a punching point area of the rubber barrier punching plate; the hydrophobic breathable area and the latex material structure are fixed through a binder; and the elastic modulus of the elastic synthetic fiber material is lower than that of the latex material. The oral cavity treatment device is used for oral cavity treatment.

The application discloses an oral cavity spreader for oral cavity surgery and relates to the technical field of medical devices, which comprises a fixing assembly, the fixing assembly comprises a fixing cylinder and an opening, the fixing cylinder is a cylindrical body with a coaxial cavity, the side wall of the fixing cylinder is hollow and is a cavity structure, the side wall of the fixing cylinder is provided with the opening, the length direction of the opening is parallel to the axis direction of the fixing cylinder, the opening is communicated with the coaxial cavity of the fixing cylinder through the side wall cavity of the fixing cylinder, the opening can be effectively prevented from being compressed and reduced in size by the inflation and expansion of the fixing cylinder and the side edge of the fixing cylinder, the opening can be conveniently opened through the pulling of a traction rope, the outer wall of the fixing cylinder is attached to the inner wall of the oral cavity of a patient, the oral cavity of the patient can be pulled open, and a doctor can conveniently perform surgery in the oral cavity of the patient.

The embodiment of the application discloses an oral surgery auxiliary instrument delivery posture calculation method, device, equipment and medium, and belongs to the fields of oral medicine and robot technology, wherein the method comprises the following steps: 1) oral instrument delivery model construction: for multiple types of oral surgery instruments, three types of oral instrument delivery models of Q, N and Z are established; 2) constructability evaluation index construction: based on the instrument delivery characteristics of the three types of oral instruments Q, N and Z, an instrument holding hand constructability evaluation algorithm is designed based on multi-dimensional instrument holding hand posture data; and 3) instrument delivery posture solving: multi-dimensional posture data of the instrument holding hand obtained by using multiple sensors are used as basic data, and the instrument delivery posture is solved based on the three types of instrument delivery models of Q, N and Z. The application can replace instrument nurses to deliver oral instruments to doctors in a standard posture, and realize standard and accurate hand-to-hand delivery of oral surgery instruments.

The invention discloses an intelligent oral surgery simulation training system which comprises an oral model module, a surgical instrument module, a data processing module, a display module and an interaction module. The method has the advantages of real touch feedback, comprehensive and accurate evaluation, abundant interaction modes and sufficient case resources, and is of great significance for improving the oral medicine teaching quality and cultivating excellent oral doctors.

The utility model relates to the technical field of medical instruments, and provides a bone meal container for oral surgery, which comprises a body and a filter bowl, the body is provided with a cavity with an open top end, the side surface of the body is provided with a through groove, the through groove comprises a first groove section and a second groove section which are communicated with each other, the first groove section extends along the vertical direction and penetrates through the top surface of the body, and the second groove section extends along the vertical direction. The second groove section is located at the top end of the first groove section and extends in the circumferential direction of the body, the bottom wall face of the second groove section is located above the bottom wall face of the first groove section, the first groove section and the second groove section are both communicated with the containing cavity, the filter bowl is provided with filter holes allowing liquid to pass through, the filter bowl is used for containing bone meal, and a handle is arranged on one side of the filter bowl. The handle penetrates through the through groove, and one end of the handle is located on the outer side of the body. Therefore, bone meal soaked in normal saline does not need to be transferred into another container, and waste can be reduced.

The invention provides an alveolar bone repair and reconstruction method based on augmented reality perspective, and aims to improve the precision, safety and visualization level in the oral surgery process. The method comprises the following steps: constructing a digital twinborn body, performing three-dimensional model reconstruction, and combining an SLAM (Simultaneous Localization and Mapping) algorithm to realize visual navigation of an intraoperative operation path; augmented reality superposition display of an operation scheme, nerve and blood vessel trend and a bone body structure is realized based on AR glasses; a dynamic registration and error compensation mechanism is adopted to adjust the overlapping precision of the virtual-real model in real time; tool obstacle avoidance and intraoperative risk early warning are realized by constructing a safety boundary, and a doctor is prompted of operation deviation in combination with a voice and tactile feedback system; and performing precision evaluation on the prosthesis by using a registration result after operation, calculating a repair rate, and generating a complete intra-operative operation log and a data file. According to the method, the integrated operation of preoperative planning, intraoperative navigation and postoperative evaluation is realized, and the automation and intelligence level of the oral rehabilitation surgery is effectively improved.