102 results about "Oral surgery" patented technology

The invention provides an oral surgery positioning and navigation method and system and a storage medium, and the method comprises the steps: calibrating an implanted mobile phone to obtain a unit vector of a rotating shaft of a drill bit and a three-dimensional coordinate value of the tip of the drill bit under an optical three-dimensional coordinate system, scanning to obtain a CT three-dimensional model of a patient, and segmenting to obtain a tooth CT model and an alveolar bone CT model; generating a tooth three-dimensional point cloud according to the real-time pattern of the speckle structured light on the teeth of the patient, acquiring a matrix transformation relation between a CT three-dimensional coordinate system and an optical three-dimensional coordinate system, and performing real-time navigation on the implanted mobile phone according to the real-time point position deviation and the real-time angle deviation of the drill bit. According to the technical scheme, the matrix transformation relation between the CT three-dimensional coordinate system and the optical three-dimensional coordinate system is calculated through the tooth CT feature points and the tooth point cloud feature points, and auxiliary navigation is carried out by comparing the target position of the implant with the real-time pose of the tip of the drill bit, the direction vector of the planting path and the unit vector of the rotating shaft of the drill bit. Operation is convenient and positioning precision is high.

The invention provides a control system and method for an oral surgery robot, and relates to the field of intelligent control, and the method comprises the steps: firstly obtaining thin-layer CT scanning data covering neck and throat regions, constructing a throat three-dimensional model, then collecting a surgery view three-dimensional image through a 3D endoscope, and carrying out the 3D image collection; performing semantic-level dynamic registration based on visual features on the three-dimensional model of the throat, determining pose information of the oral surgical robot, outputting a next target pose point of the oral surgical robot in combination with the pose information and a pre-operative planned surgical resection path, and finally determining the target pose point of the oral surgical robot on the basis of the target pose point. And generating a joint control instruction of the oral surgical robot. Therefore, the navigation preparation time in the operation is shortened, the high consistency of the motion track of the mechanical arm and the focus resection path is ensured, and the track deviation risk caused by registration deviation of a traditional system can be fundamentally solved.

The embodiment of the invention discloses a root canal feature form extraction method, device and equipment based on CBCT data and a medium, and belongs to the technical field of stomatology and medical image.The method comprises the steps that filtering denoising and dental pulp segmentation processing are carried out on a CBCT image, and surface drawing three-dimensional reconstruction is carried out on a tooth root canal to generate a three-dimensional model; based on regular point cloud data in the three-dimensional model, adopting a point-surface method to realize curved surface reconstruction, and generating a root canal entity model; and performing coordinate alignment processing on the root canal solid model in a three-dimensional space, and measuring the length of the root canal, the direction of a root canal orifice, the curvature of the root canal and the depth of dental pulp by fitting the approximate center line of the root canal. According to the method, the corresponding three-dimensional model is quickly reconstructed based on the CBCT cross-sectional image obtained by scanning the teeth of the patient, and related data such as the dental pulp depth and the size of the root canal orifice are acquired from the three-dimensional model of the teeth so as to assist the oral surgery.

Oral surgery collaborative surgical field exposure assistance surgical robot and control method, comprising two 6-degree-of-freedom robotic arms, two force-sensing surgical retractor assemblies and a main control computer. The force-sensing surgical retractor assembly includes a force-sensing surgical retractor, and there is a contact sensor inside the end cover plate of the force-sensing surgical retractor. The force-sensing surgical retractor is connected to the end of the robotic arm through a surgical retractor connecting piece. There are drag mode interaction and reference force adjustment interaction on the main control computer. The present invention is used to assist doctors in continuously retracting the surgical incision. The doctor only needs to place the surgical retractor at the initial position of the target area, input the reference retraction force on the interaction interface, and turn on the control system. The robot drives the force-sensing surgical retractor to safely and stably retract the surgical incision. For the convenience of doctors' operation and to ensure human-machine safety, the present invention has designed control strategies such as detailed modeling analysis, torque compensation, active retraction compensation, and safety threshold for the surgical retraction process.

The invention relates to the technical field of tooth image analysis, and discloses an intelligent tooth image analysis system and method for oral surgery, and the method comprises the steps: firstly obtaining tooth image data, and extracting a multi-scale feature map through a backbone network, and the multi-scale feature map comprises a shallow-layer feature map, a middle-layer feature map and a deep-layer feature map; then, strengthening the spatial characteristics of the middle-layer and deep-layer feature maps by adopting a spatial self-adaptive module, and refining the shallow-layer feature map by utilizing edge detection branches so as to capture tooth edge details; then, the feature maps are fused to generate a multi-scale significant fusion feature map, and the multi-scale significant fusion feature map is processed by a classification layer to obtain a tooth voxel probability map. And finally, converting into a discrete segmentation label graph as a semantic segmentation result. According to the method, multi-scale features and spatial context information are integrated, so that the accuracy and robustness of tooth image analysis are improved, and more reliable support is provided for oral surgery.

A method for manufacturing a splint or surgical guide for the implantation of at least one dental implant, relating to a part of a guided oral surgery process by which at least one implant is placed or implanted in a patient's jaw to replace the function of one or more natural teeth. The manufacturing method is implemented by a computer program. The object is to improve the implant placement process in an optimal and minimally invasive, as well as more simplified way.

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.

1. The name of the design product: TARS-ACC-MM1. 2. The use of the design product: TARS-ACC-MM1 is a calibration board used for computer vision and medical procedure auxiliary positioning. It is mainly applied in the calibration of oral implant navigation systems, AR glasses, surgical medical instruments, and oral surgery simulation training and teaching systems. By providing accurate visual reference patterns, it is used for camera system calibration to improve image processing accuracy and stability. 3. The design points of the design product: The combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view.

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 embodiment of the invention discloses a method, device, equipment and medium for calculating the posture of an oral surgery auxiliary delivery instrument, and belongs to the technical field of stomatology and robotics.The method comprises the steps that 1, oral instrument delivery models are built, specifically, Q, N and Z oral instrument delivery models are built for various stomatology department surgical instruments; 2) constructing a transitivity evaluation index: designing a transitivity evaluation algorithm of the manipulator on the basis of the multi-dimensional pose data of the manipulator according to the transmission characteristics of the three oral instruments of Q, N and Z; and (3) resolving the position and posture of the delivery machine, namely resolving the position and posture of the delivery machine on the basis of the Q, N and Z instrument delivery models by using the multi-dimensional position and posture data of the manipulator acquired by multiple sensors as basic data. The device can replace an instrument nurse to transfer the oral instrument to the hand of a doctor in a standard posture, and the standard and accurate transfer of the surgical instrument in the department of stomatology by hand is achieved.

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.

An anti-splash tooth protection angle comprises a handle, a polishing cup, and an anti-splash component. The anti-splash component is arranged at the front end of the handle, and an anti-splash baffle is arranged at the rear side of the polishing cup, and there is a gap between the anti-splash baffle and the polishing cup; the anti-splash baffle is arranged vertically, and its height is lower than the height of the polishing cup; and a notch is opened on the anti-splash baffle along its height direction. The utility model forms a plurality of blocking surfaces by arranging notches on the anti-splash baffle, thereby producing a progressive blocking effect of polishing paste during the rotation of the polishing cup. Compared with the prior art, the utility model can effectively achieve the effect of preventing the polishing paste from splashing, and the structure is relatively simple and the cost is controllable. At the same time, the anti-splash structure does not affect the oral surgery operation.

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.

The present invention relates to the field of oral surgery technology, and in particular to a support device for oral surgery. The support device for oral surgery comprises an upper bite plate, a lower bite plate and a side support mechanism, wherein the upper bite plate is an upper arc-shaped structure, and the lower bite plate is a lower arc-shaped structure symmetrical to the upper bite plate, and one end of the upper bite plate and the lower bite plate is connected by a side support mechanism, and the other end is connected by another side support mechanism or by a connecting rod; the side support mechanism comprises a support rod, a sleeve, an insertion rod and a side support plate, wherein a support rod is fixed between the corresponding ends of the upper bite plate and the lower bite plate, a sleeve is movably sleeved on the outer wall of the support rod, and the upper end face and the lower end face of the sleeve are both provided with an insertion rod, and the side support plate is fixed to the side wall of the sleeve; the lower end face of one end of the upper bite plate is arranged in a circular array with a circle of upper plug holes matching the insertion rod, and the upper end face of one end of the lower bite plate is arranged in a circular array with a circle of lower plug holes matching the insertion rod. The present invention has a simple structure, is easy to use, and does not block the line of sight.

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.

This invention encompasses an innovative set of instruments (BA.P.LAT 1, BA.P.LAT 2, BA.P.LAT 3) and an associated surgical method designed to simplify nerve lateralization & transposition in oral surgery. The instruments facilitate safe handling, mobilization, and protection of the inferior alveolar nerve, enabling safer and more effective placement of dental implants. This invention represents a significant advancement in oral surgery, making the procedure safer, more efficient, and accessible to a wider range of surgeons.

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 utility model discloses an oral medical auxiliary instrument which is suitable for oral surgery, repair and orthodontic treatment. The instrument comprises two arc-shaped expansion plates which are symmetrical to each other, the lips of a patient can be expanded through a positioning groove and a rotating mechanism, and the operation visual field is expanded. Connecting seats are fixed to the upper expansion plate and the lower expansion plate respectively, and the distance between the expansion plates is adjusted through a rotating seat so as to adapt to oral cavity structures of different patients. The expansion length of the instrument is adjusted through the insertion structure, and the positioning toothed bar is matched with the positioning toothed hole, so that the expansion plate is accurately positioned, and looseness in the operation process is prevented. The thread structure and the limiting device provide extra stability, and it is ensured that the instrument is kept fixed during use. Auxiliary devices for fixing the saliva pump are arranged on the two sides of the instrument, and the interior of the oral cavity is kept clean and dry. According to the design, the operation process is simplified, the accuracy of operation and the comfort level of a patient are improved, and the device is suitable for various complex oral medical operations and has high clinical application value.

1. Name of the Design Product: Lip and Tooth Protector. 2. Use of the Design Product: To protect the upper incisors and upper lip during oral surgery / oral examination. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Stereogram.

This invention relates to the field of medical devices, specifically to a pediatric surgical restraint system for dentistry. It includes head restraints symmetrically and fixedly connected to both sides of a headrest on a dental treatment table. The dental treatment table is equipped with a neck fixation assembly to prevent the child's head from swaying laterally during surgery. The neck fixation assembly includes a shoulder support, an upper neck fixation ring, and a lower neck fixation ring. The top of the shoulder support and the bottom of the lower neck fixation ring are fixedly connected. Several first U-shaped blocks are fixedly connected circumferentially to the top of the lower neck fixation ring. Each first U-shaped block has a first frame hinged to its inner side, and each first frame has an electric actuator hinged to its inner side. Several second U-shaped blocks are fixedly connected circumferentially to the bottom of the upper neck fixation ring. The second U-shaped blocks and the first U-shaped blocks are arranged alternately. Each second U-shaped block has a second frame hinged to its inner side, and the output shaft of each electric actuator is hinged to the inner wall of the adjacent second frame. This invention can effectively fix the neck of a child during surgery.

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 belongs to the technical field of surgical instruments, and provides an oral surgery endoscope system which comprises an endoscope fixing support used for installing an endoscope, a flexible cutting pipe is arranged at the front end of the endoscope fixing support, and a flexible hinge is arranged at the end, away from the endoscope fixing support, of the flexible cutting pipe. The flexible cutting pipe and the flexible hinge are provided with a cavity allowing the endoscope to penetrate through, and the endoscope fixing support is provided with an endoscope driving mechanism used for controlling the endoscope to bend and stretch out and draw back. The flexible hinge is controlled to be bent through the endoscope driving mechanism, so that the endoscope can be controlled to be bent, potential lesion tissues around can be observed, omission is avoided, the endoscope can be driven to stretch out and draw back in the length direction of the flexible hinge through the endoscope driving mechanism, and the visual angle of the endoscope can stretch into a deeper and narrower area.

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.

The present invention relates to the technical field of oral instruments, and provides an adjustable point-support corner retractor device, which includes a retraction bracket, a corner support assembly and an endoscope assembly. The retraction bracket includes a main support bracket, a corner bracket and an endoscope bracket. The main support bracket is configured to conform to the contour of the oral lips when opened. The corner bracket has the same contour trend as the main support bracket. The corner bracket is disposed on the main support bracket and on the side close to the oral lips. The endoscope bracket is disposed on the main support bracket on the side away from the oral lips. The endoscope assembly is movably disposed on the endoscope bracket. The corner support assembly is provided in multiple groups. The corner support assembly includes a corner support tray, and the corner support tray is movably disposed on the corner bracket. Through the above technical solution, the problems in the prior art that during oral surgery, the operation difficulty for doctors increases and the corners of the patients are prone to injury are solved.