118 results about "Parafacial" patented technology

The invention discloses an oral and maxillofacial head and neck tumor rehabilitation nursing system based on artificial intelligence, which belongs to the technical field of medical auxiliary systems and comprises a special data acquisition and monitoring module, a deep reinforcement learning analysis module, a biological feedback analysis module, a personalized rehabilitation plan generation module and the like. The system can monitor physiological parameters and biological feedback signals of a patient in real time, generate a personalized rehabilitation plan and provide real-time monitoring and early warning functions, in addition, the system further comprises a plurality of auxiliary modules such as a local database, a patient interaction module and an intelligent early warning and emergency intervention module, the reliability and practicability of the system are further improved, and the system is suitable for popularization and application. According to the system, the defects of a traditional rehabilitation nursing method can be overcome, the rehabilitation precision and effectiveness are improved, the participation degree and confidence of a patient are enhanced, and more comprehensive and efficient rehabilitation nursing service is provided for the oral and maxillofacial head and neck tumor patient.

The embodiment of the invention discloses an oral and maxillofacial surgical image recognition and diagnosis method and system based on deep learning, and the method comprises the steps: firstly obtaining an oral and maxillofacial three-dimensional image data set of a target patient, then carrying out the image feature extraction processing of the three-dimensional image data set, and obtaining a hierarchical image feature set; comprising local anatomical structure features and global spatial distribution features, and then calling a pre-trained multi-scale feature fusion network to perform multi-scale feature fusion on the hierarchical image feature set to generate a fusion feature map. And performing focus area identification processing based on the fusion characteristic spectrum, determining position information and form description information of an oral and maxillofacial abnormal area of the target patient, generating a diagnosis report according to the position information and form description information of the oral and maxillofacial abnormal area, and transmitting the diagnosis report to medical terminal equipment for display. Therefore, the accuracy and efficiency of oral and maxillofacial surgery image diagnosis are improved.

The invention relates to the technical field of maxillofacial deformity treatment, and discloses a maxillofacial deformity orthognathic post-operation follow-up visit system and method, the system comprises an image analysis model and a follow-up visit evaluation model, the image analysis model carries out multi-dimensional feature fusion processing on post-operation initial data, and the data comprises three-dimensional bone seam, occlusion function, soft tissue distribution and other feature data; and the follow-up assessment model performs dynamic interference suppression processing on the real-time physiological data stream and then inputs the feature generation layer to simulate a recovery track so as to generate a follow-up assessment instruction. The feature generation layer comprises an image preprocessing module and a dynamic feature generation module, and the dynamic feature generation module is obtained through combined training of multi-type historical postoperative data and real-time physiological parameters and comprises a feature analysis layer, a feature correction layer and an instruction triggering layer. According to the method, the system is applied, and multi-dimensional and intelligent follow-up assessment of postoperative recovery is achieved. According to the method, the accuracy and the real-time performance of follow-up visit are improved, and effective support is provided for postoperative recovery monitoring and intervention.

The invention discloses a maxillofacial surgery postoperative curative effect monitoring system, which relates to the technical field of medical diagnosis and comprises a data collection module, a transmission module, a data processing module, an interaction module and a recovery suggestion module, the data collection module comprises a face collection unit, an occlusion unit and a voice unit, the data collection module is used for being regularly worn by a postoperative patient, the face collection unit scans the maxillofacial surface of the patient, the occlusion unit is used for the patient to occlude and collect occlusion data, and the voice unit is used for collecting sound of the patient; uploading the collected data to a transmission module; and the transmission module uploads the acquired data to the interaction module based on the Internet of Things mode. According to the method, abnormal fluctuation or potential problems in the recovery process are found in time through data uploaded regularly, rehabilitation training plans and diet suggestions are customized for patients, or review time is adjusted for personalized treatment schemes, and the pertinence and effectiveness of treatment are improved.

The invention relates to an oral and maxillofacial implant repair path generation system based on a CBCT image, in particular to the field of computer aided design of surgical operations, and the scheme comprises the following steps: constructing a high-quality training data set through multi-source data aggregation and intelligent labeling enhancement; training by using the mixed model to generate a high-precision jaw segmentation model; the segmentation parameters are dynamically adjusted in combination with real-time feedback in preoperative planning, and a personalized optimization result is output; the model is continuously updated and the data strategy is optimized by means of a closed-loop feedback mechanism, so that the planning accuracy, the self-adaptability and the clinical efficiency of oral maxillofacial implant restoration are comprehensively improved, and the whole process from data to decision making is intelligentized.

The invention provides an auxiliary flexible fixing device for oral cranio-maxillofacial osteotomy, which is mounted on a bed body, pawl rack assemblies are respectively arranged on two sides of the bed body, the pawl rack assemblies are connected with side fixing plates of the bed body through supporting assemblies, and the pawl rack assemblies on two sides are respectively connected with flexible clamp assemblies through guide rail connecting pieces; the flexible clamp assembly comprises a positioning plate, the positioning plate is connected with the guide rail connecting piece through a supporting column and a side plate in sequence, a plurality of pressing columns arranged at intervals are arranged on the positioning plate, second springs are arranged between the ends, away from the positioning plate, of the pressing columns and the side plate, and ball heads are arranged at the ends, exposed out of the positioning plate, of the pressing columns. The supporting assemblies, the pawl rack assemblies and the flexible clamp assemblies which are used in pairs are adopted, the mode of one-time moving positioning and double locking is completed, and due to reverse locking devices of pawls and ratchets, the first locking mode is achieved; the pressing column of the flexible fixing device fits the shape of the skull of the patient, the pressing column is locked, and a second locking mode is achieved.

The invention discloses an automatic segmentation method and system for a dental maxillofacial anatomical structure based on a deep learning model, and belongs to the technical field of medical image processing. Multi-modal image data of to-be-anatomical structures from different images are collected; determining a rough position of the to-be-dissected structure, and taking the rough position as a preliminary segmentation region; in the preliminary segmentation region, fusing the multi-modal image data; combining the fused multi-modal image data with the marked real label data to form an expert demonstration data set; constructing and training a segmentation strategy model based on the expert demonstration data set to obtain an optimized segmentation strategy model; and realizing automatic segmentation of the dental maxillofacial anatomical structure by using the optimized segmentation strategy model. According to the invention, through automatic standardization processing and fusion of multi-modal data, precise segmentation of a dental maxillofacial anatomical structure is realized, and the data precision and the accuracy of subsequent analysis are improved.

The invention provides a maxillofacial operation planning navigation method and system, relates to the technical field of operation planning navigation, and solves the technical problems that the existing maxillofacial operation planning navigation method cannot adapt to the change of an intraoperative anatomical structure due to a preoperative planning static state, and the intraoperative navigation efficiency and precision are insufficient. The method specifically comprises the following steps: acquiring first image data of a to-be-operated region; preprocessing the first image data based on an image processing algorithm to determine second image data; performing three-dimensional reconstruction and segmentation on the second image data to obtain a three-dimensional data model; analyzing the three-dimensional data model through an AI intelligent auxiliary diagnosis model, and generating a diagnosis report; inputting the three-dimensional data model and the diagnosis report into a two-channel model, and outputting an operation path scheme and a bone fracture plate scheme; in the operation, non-rigid registration is adopted to compensate real-time deformation delay for first image data before the operation and in the operation, and an AR real-time navigation technology is combined to realize maxillofacial operation planning navigation. The method is used for maxillofacial surgery planning navigation.

The invention relates to the technical field of medical image processing, and discloses a temporomandibular joint three-dimensional reconstruction system based on joint imaging diagnosis. The system utilizes CBCT equipment to collect temporal-mandibular joint tomographic image data, and extracts facial feature sites and maxillofacial joint standard model approval sites through a multi-scale residual network. And carrying out space registration by adopting an affine transformation and nonlinear optimization algorithm to generate a synchronous correction parameter, further carrying out deformation interpolation on the standard model of the maxillofacial joint to construct a maxillofacial model, and adjusting the position of a condylar process. And based on the deformed maxillofacial model, generating an occlusal plate structure model by using an isogeometric analysis method, and iteratively optimizing the degree of fit through an edge calculation frame. The system can accurately reconstruct the three-dimensional model of the temporomandibular joint, optimizes the adaptation of the biteplate, provides powerful support for the diagnosis and treatment of temporomandibular joint diseases, and facilitates the improvement of the diagnosis and treatment level.

The invention relates to a retractor for oral and maxillofacial surgery. The retractor comprises a base plate, and front-back adjusting units, lifting units and distraction units are symmetrically arranged on the left side and the right side of the base plate; the front-back adjusting unit is fixedly connected with the base plate and used for adjusting the front-back position of the lifting unit. The lifting unit is used for adjusting the height of the opening unit; the opening unit comprises an arc-shaped guide rail, and the arc-shaped guide rail is fixedly connected with the lifting end of the lifting unit; at least one guide sleeve is slidably arranged on the arc-shaped guide rail, and the sliding direction of the guide sleeve is the arc direction of the arc-shaped guide rail; a hook rod is arranged on the guide sleeve in a linear sliding mode, the sliding direction of the hook rod is perpendicular to the tangent line of the sliding direction of the guide sleeve, and the hook rod is used for pulling the oral cavity lip. The locking structure I is used for relatively locking the guide sleeve and the arc-shaped guide rail, and the locking structure II is used for relatively locking the hook rod and the guide sleeve. According to the technical scheme, the adjustability is good, the hook rod serving as a consumable is convenient to replace, and the surgical requirements are better met.

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

1. The name of the design product: oral and maxillofacial surgery electrode. 2. The use of the design product: cutting and coagulating human tissue in oral and maxillofacial surgery. 3. The design features of the design product: in shape. 4. The picture or photo that best indicates the design features: perspective view.

The invention belongs to the technical field of medical science, and particularly relates to a plastic surgery device with a fixed maxillofacial structure, and provides the following scheme that the plastic surgery device comprises a fixed seat, a supporting mechanism is arranged at the top of the fixed seat, and a second spring is connected between the bottom of the supporting mechanism and the top of the fixed seat through a bolt; positioning mechanisms are arranged between the two sides of the bottom of the supporting mechanism and the two sides of the top of the supporting mechanism, and side face fixing mechanisms are arranged between the two sides of the top of the supporting mechanism and the top of the fixing base. According to the fixing device, the maxillofacial of a patient can be conveniently fixed, due to the fact that the positions of the three fixing blocks are different, and the size of the maxillofacial of the patient is gradually reduced from the head to the lower jaw, the maxillofacial of the patient can be effectively fixed through the fixing blocks according to the difference of the size of the maxillofacial of the patient, and therefore the plastic surgery effect of the patient is improved; and the situation that the maxillofacial surface deviates during fixing due to different maxillofacial surface sizes of the patient, and consequently plastic surgery and beauty treatment of the patient are affected is prevented.

The utility model relates to the technical field of lingual draw hooks, and discloses a lingual draw hook for oral and maxillofacial surgery, which is characterized in that a pulling mechanism is mounted in the middle of a hook body; the hook body comprises an extending piece, the left side and the bottom of the extending piece are fixedly connected with an upper clamping piece and a lower clamping piece respectively, and through holes are formed among the upper clamping piece, the lower clamping piece and the extending piece. When the lingual retractor for the oral and maxillofacial surgery is used, the extension piece is pinched by a hand, so that the pulling and avoiding of the tongue can be easily realized through the elastic clamping force of the upper clamping piece and the lower clamping piece, and meanwhile, the fatigue of the hand can be relieved. By means of the arranged pulling mechanism, when an upper clamping piece and a lower clamping piece need to be clamped, a groove block only needs to slide in a sliding groove, so that a pull rod can be driven to drive a movable plate to be pulled, at the moment, under matched dragging of the movable rod, the upper clamping piece and the lower clamping piece can get close to each other, clamping of the tongue can be achieved, and the clamping effect of the tongue is improved. Hand holding is relieved, and hand fatigue can be further relieved.

The invention aims to provide an oral and maxillofacial head and neck tumor radiotherapy complication prevention exercise auxiliary device, and relates to the technical field of medical instruments, the shoulder is fixed on a fixing plate through a fixing belt on the fixing plate, and the shoulder of a patient can be driven to move up and down through stretching of a second electric push rod so as to do shoulder-rising motion; the rotating motor can drive the shoulder to perform shoulder rotating motion; the distance between the two shoulder training device fixing plates can be adjusted through stretching out and drawing back of the telescopic blocks so as to adapt to patients of different body types; the height of the two shoulder training devices can be adjusted according to the height of a patient through stretching and retracting of the telescopic plate; a front-back motor on the front-back block drives the head of the patient to rotate left and right; a front-back motor on the swing block drives the head of the patient to move forwards and backwards; a swing motor on the sliding block drives the head of the patient to swing left and right; video can be played through the video equipment to guide the patient to do water-blowing movement, tooth-percussion movement, cheek-bulging movement and mouth-opening movement.

An intracranial procedure includes engaging a fiducial device having fiducial markers with a maxillofacial anatomy of a patient, the fiducial device arranged to communicate with a tracking arm arranged to communicate with a robotic arm having a procedure performing device engaged with a distal end of the robotic arm. A virtual surgical plan is prepared in registration with and relative to the fiducial marker for forming an aperture through the skull and into the intracranial region, and for accessing an associated intracranial anatomical structure through the aperture. Movement of the surgical performing device relative to the fiducial marker is physically adjusted via the robotic arm according to the virtual surgical plan and symmetrically with physical manipulation of the surgical performing device during formation of the aperture and during entry into the associated intracranial anatomy. If the physical manipulation of the surgical performing device deviates from the virtual surgical plan, haptic feedback is provided via the surgical performing device.

1. Name of the product under this design: Exposure handle for oral and maxillofacial cone-beam computed tomography equipment. 2. Purpose of the product of this design: to be used in conjunction with oral and maxillofacial cone-beam computed tomography equipment to perform oral and maxillofacial photography. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The invention provides a multifunctional oral and maxillofacial surgical nursing atomization device which comprises an atomization mask, a fixed baffle, a movable baffle and an atomization adjusting mechanism, a concave reinforcing panel is arranged in the middle of the atomization mask, the fixed baffle is fixed to the plane of the bottom in the atomization mask, the movable baffle is movably connected into the reinforcing panel, and the atomization adjusting mechanism is arranged on the movable baffle. A second micro air cylinder is rotationally connected to a movable plate of the movable baffle, and a telescopic shaft of the second micro air cylinder is rotationally connected to the atomization adjusting mechanism; and an atomizing nozzle is movably connected in the atomizing adjusting mechanism. The micro motor drives the micro lead screw to rotate so as to drive the threaded barrel and the adjusting frame to move in the open groove, the transverse position of the adjusting frame can be adjusted, the adjusting air cylinder drives the adjusting base to move in the sliding groove, the longitudinal position of the adjusting base can be adjusted, and the atomizing nozzle is fixed to the adjusting base. Therefore, the position of the atomizing nozzle can be synchronously driven to be adjusted, so that the atomizing operation area can be flexibly adjusted.

The utility model relates to an oral maxillofacial dilator, and relates to the field of auxiliary medical instruments. The oral and maxillofacial distraction device comprises a first distraction assembly, a second distraction assembly, a first adjusting assembly, a second adjusting assembly, a first telescopic positioning piece and a second telescopic positioning piece. The first distraction assembly and the second distraction assembly are arranged at an angle and enclose to form an observation hole; the first distraction assembly can rotate away from the second distraction assembly, and the first distraction assembly and the second distraction assembly are slidably connected through the second adjusting assembly; the first adjusting assembly is rotatably connected with the first opening assembly; the first telescopic positioning piece is clamped with the first opening assembly; and the second telescopic positioning piece is clamped with the second opening assembly. The size of the dilator can be conveniently adjusted, manpower is saved, the observation area is enlarged, and observation and surgical operation are facilitated.

The utility model relates to the technical field of medical instruments, in particular to a rongeur special for oral and maxillofacial surgery, which comprises a left rongeur head, a right rongeur head, a left rongeur handle and a right rongeur handle, the left rongeur head is hinged with the left rongeur handle, the right rongeur head is hinged with the right rongeur handle, the left rongeur handle is hinged with the right rongeur handle, and the right rongeur handle is hinged with the right rongeur handle. The forceps clip section of the left forceps head and the forceps clip section of the right forceps head are both concave inwards and convex outwards to form an arc-shaped structure, an occlusion ball is arranged at the head end and is of a hemispherical structure, and sawteeth matched with each other are arranged on the ball section of the occlusion ball. The forceps holder sections are arranged to be of the arc-shaped structures which are concave inwards and convex outwards, and the hemispherical occlusion balls are arranged at the head ends of the forceps holder sections, so that the situation that other tissues are scratched in an oral and maxillofacial operation due to the fact that the forceps heads are too sharp is avoided, and due to the arrangement of the sawtooth structures on the occlusion balls, clamping is more stable in the operation process, and slipping is not prone to being caused.

The invention discloses a clinical head fixing device for oral and maxillofacial surgery and a communication system, and relates to the technical field of oral and maxillofacial nursing, the clinical head fixing device comprises a patient bed main body, the bottom of the patient bed main body is fixedly connected with a plurality of supporting legs, the top of the patient bed main body is fixedly connected with an outer side baffle, and two sides of the top of the patient bed main body are fixedly connected with outer side handrails; the adjusting mechanisms are arranged on the inner side wall, the top end and the bottom end of the patient bed body, each adjusting mechanism comprises a first screw rod, the first screw rods are connected to the inner side wall of the patient bed body in a two-thread mode, and the top of one first screw rod is fixedly connected with a connecting sliding block; by arranging the adjusting mechanism composed of the two first screw rods, the connecting sliding block and the headrest, and matching with the driving structure and the second screw rod used for adjusting the position of the single headrest, flexible and accurate adjustment of the head supporting height and the distance between the two headrests is achieved.

The invention provides an oral maxillofacial surgery postoperative care pushing method and system based on artificial intelligence, and relates to the technical field of artificial intelligence pushing, and the method comprises the steps: obtaining historical case data and stage care data of a user, and converting the historical case data and stage care data into structured data; a push mechanism based on time triggering is designed, the structured data of each time period is evaluated and pushed by using the push mechanism based on time triggering, and a user receives post-operation push matters needing to be followed by the current time period; wherein the push mechanism based on time triggering comprises the steps of designing a time-triggered state mode, taking each user as a state identifier, enabling each state to correspond to a specific postoperative time period and push content, performing time calculation, performing state transition when a postoperative time difference reaches a threshold value, loading the users in a pushable state from a database, and pushing the pushable state to the corresponding user. And the matters needing attention of different users at different stages are pushed.

The invention discloses a maxillofacial deformity orthognathic post-operation dynamic follow-up visit system based on an intelligent nursing platform, and the system comprises an image input and preprocessing module which is used for collecting images and generating a continuous time sequence image sequence; the geometric flow modeling module is used for constructing a non-parametric partial differential geometric flow network model; the feature coding module is used for extracting features of the structure parameters; the parameter optimization module is used for executing a Kelvin-snake group resonance optimization algorithm; the reasoning and scoring module is used for executing reasoning, outputting geometric flow evolution representation and generating recovery state scores and abnormal prompt information; and the intelligent nursing platform integration module is used for deploying a final non-parametric partial differential geometric flow network model, receiving a patient image, and completing recovery monitoring, score output, abnormity marking and follow-up information pushing. According to the invention, automation of postoperative recovery modeling is realized, evaluation precision and follow-up visit efficiency are improved, and precise management of intelligent nursing is assisted.

1. Name of the product of this design: Maxillofacial bone prosthesis (special shape‑2). 2. Application of this product design: for maxillofacial bone repair. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model relates to a multifunctional dilator for oral and maxillofacial surgery, which comprises an opening part used for keeping an oral cavity open to expose a surgical area and a tongue pressing part used for pressing a tongue to one side to expand the visual field range of the surgical area, and the opening part comprises two handles which are connected with each other. A limiting channel pointing to the oral cavity is arranged on the surface of the joint of the two handles, and the tongue pressing part is detachably connected with the opening part in the mode that at least part of the structure of the tongue pressing part is kept in the limiting channel. When the tongue depressing part moves along the limiting channel to adjust the distance between the tongue depressing part and the oral cavity, the limiting channel can lock the tongue depressing part at a preset position through locking buttons arranged on the two sides of the limiting channel. The operation accuracy and safety in the operation process are obviously improved, and the stability and reliability of the tongue depressing part in the operation process are ensured. By means of the mode, medical staff can control the operation area more effectively, operation time is shortened, operation efficiency is improved, and discomfort of a patient and potential operation risks are reduced.

The invention discloses a multifunctional retractor for oral and maxillofacial surgery and a retraction method of the multifunctional retractor, relates to the technical field of retractors for oral and maxillofacial surgery, and aims to solve the problems that the height of a drag hook of an existing retractor is adjusted by adjusting the height of an elastic plate in an inserting sleeve, and in the oral and maxillofacial surgery, parts needing to be retracted are different, so that the retractor is inconvenient to use. The problems that a bed clamp structure is arranged at the lower end of a retractor body, a hand-cranking lead screw is fixedly installed on the side, away from a bed board, of the bed clamp structure, a retractor base is installed above the hand-cranking lead screw, a mounting base is rotatably installed above the retractor base, and the mounting base is fixedly installed on the side, away from the bed board, of the retractor body. A positioning threaded rod is mounted above the mounting seat, a horizontal telescopic rod is mounted on one side of the positioning threaded rod, a retraction structure is mounted on one side of the horizontal telescopic rod, the retraction structure is rotationally connected with the horizontal telescopic rod through an angle adjusting mechanism, and the mounting seat is rotationally connected with the positioning threaded rod through an angle adjusting mechanism.

The present invention relates to the technical field of surgical auxiliary equipment, and specifically to a covering device for oral and maxillofacial surgery, comprising an annular base plate and a plurality of center rods, the center rods all passing through the base plate and rotatingly cooperating therewith, the bottoms of the center rods all being fixedly connected with arc-shaped extension plates, the tops of the center rods all being fixedly sleeved with a first gear, a gear ring is rotatably cooperating with the base plate, and the first gears are all meshed with the gear ring; an annular and elastic covering cloth is detachably sleeved on the base plate, and the extension plates are all slidingly cooperating with the inner wall of the covering cloth. A driving assembly for driving the gear ring to rotate and thereby adjusting the covering range is provided on one side of the base plate; a supporting assembly for supporting the base plate and an adjusting assembly for adjusting the position of the base plate are also provided on the base plate. The present invention has a complete structure and can effectively increase the size of the covering range, thereby improving the convenience of the operation.

The present disclosure relates to a computer implemented method for automatically generating and displaying a 2D image derived from 3D image data representing a portion of a patient's maxillofacial anatomy. The method comprises the steps of receiving 3D image data comprising a voxel image volume representing the maxillofacial anatomy, the voxel image volume including teeth of the patient and each voxel of the voxel image volume being associated with a radiation intensity value; detecting one or more anatomical landmarks in said voxel image volume using a first artificial neural network; determining a crown center position for each tooth of multiple teeth included in the voxel image volume with the detected anatomical landmarks as reference points and using a second artificial neural network; and generating the 2D image as a reslice image from the 3D image data based on at least one crown center position.