44 results about "Fracture line" patented technology

The invention relates to the technical field of medical apparatus and instruments, in particular to a multi-dimensional adjustable traction device for pediatric orthopedic nursing, which comprises a bottom plate and further comprises a shaking assembly connected to the bottom plate; the bed frame is connected to the output end of the rocking assembly, an upper lying plate and a lower lying plate which can rotate are connected to the bed frame, and the same mattress is placed on the upper lying plate and the lower lying plate; and the traction mechanism comprises a fixing assembly and a traction assembly. The traction mechanism and the fixing assembly are arranged to limit the legs of a pediatric patient, injury and pain caused by leg movement of the patient are relieved when the patient is nursed, the direction of traction force is the same as the direction of a fracture line, and a good treatment effect is guaranteed; the bed frame is driven by the shaking assembly to slightly shake front and back, the mood of a child patient is pacified, the metal block which is magnetically locked is kept stable relative to the bed frame, and traction stability is kept.

The invention relates to the technical field of medical image diagnosis, and discloses a tooth and fracture line recognition treatment method based on the combination of an AI technology and a CBCT image, and the method comprises the steps: obtaining and preprocessing the CBCT image, and carrying out the multi-scale analysis and recognition of a tooth structure, a microcrack and a fracture line through a first AI model. And the second AI model combines the identification result and the patient characteristics, and generates a personalized treatment scheme through multi-objective optimization. Clinical feedback is used for continuously iteratively optimizing double models, and the diagnosis and treatment precision and effect are improved. The system comprises an image data acquisition unit, an image data preprocessing unit, a tooth and fracture line identification unit, a personalized treatment scheme generation unit and a feedback and optimization unit. Through AI and CBCT image fusion, accurate identification of teeth and fracture lines is realized, a personalized treatment scheme is recommended in combination with individual features of a patient and a multi-objective optimization algorithm, rapid response is realized, a closed-loop feedback mechanism continuous optimization model is established, and diagnosis and treatment precision, efficiency and individualization level are remarkably improved.

The invention relates to the technical field of orthopedic surgery, and discloses an orthopedic surgery real-time navigation system based on multi-modal image fusion and artificial intelligence. The multi-modal image fusion module is used for generating a three-dimensional skeleton and soft tissue fusion model for surgical navigation; the artificial intelligence analysis module is used for determining a fracture line, a screw implantation angle and a cutting track; the intraoperative tracking module is used for generating a real-time correction instruction; the verification updating module is used for carrying out rationality verification on the real-time correction instruction; if the inspection is not passed, an alarm mechanism is triggered, instantaneous motion state parameters of the surgical instrument are collected, the instantaneous motion state parameters are compared with the cutting track, and the correction instruction is updated according to the comparison result; and the execution module is used for driving the surgical instrument to execute the surgical operation according to the updating correction instruction. According to the invention, manual operation errors can be effectively reduced.

The application discloses a method, device and storage medium for determining a growth stage of strike-slip structure, and the method comprises the following steps: obtaining a planar image of a fracture structure pattern of a region, and determining a straight line corresponding to each fracture line in the planar image; determining an included angle between adjacent straight lines, and determining a standard deviation of the included angles according to the included angles, wherein the included angle is an acute angle; and determining a growth stage of the strike-slip structure of the region according to the standard deviation of the included angles. The application discloses a method for determining a growth stage of strike-slip structure in a unified and objective manner.

A femoral intertrochanteric fracture opening system is characterized by comprising a sleeve, a hollow sleeve core and a hollow trephine, an impact portion is arranged at one end of the sleeve, a plurality of sawteeth are arranged on the outer ring of the end of the other end of the sleeve, the inner diameter of the sleeve is the same as the outer diameter of the hollow sleeve core, a center hole is formed in the center of the hollow sleeve core, and the hollow trephine is arranged in the center hole. The sleeve is limited and fixed through the hollow sleeve core, and the hollow trephine is limited through the sleeve and the positioning guide pin, so that the accuracy of the opening position is ensured; according to the utility model, the trephine is used for opening, the force is uniform when the trephine is used for opening, and the outer surface of the trephine does not have the situation that the size of the outer surface of a conical drill is always changed, so that the situation that bone blocks on two sides of a fracture line are extruded in the opening process is avoided, and the serious defect that the bone can be extruded open by a traditional drill bit is overcome.

The invention relates to the technical field of tectonic geology research, and discloses a strike-slip-extension tectonic displacement proportion determination method and device and electronic equipment. The method comprises the following steps: identifying a stretching fracture and a strike-slip fracture based on data; connecting fracture end points, and bending fracture line segments; counting the number e of stretching fractures and the number s of strike-slip fractures; calculating a quantity ratio x, wherein x = s / e; and according to a function analysis method and / or an interval judgment method, determining a strike-slip-extension displacement proportion n based on the x value. According to the technical scheme, the ratio of the strike-slip displacement to the extension displacement in the strike-slip-extension structure can be quantitatively analyzed by analyzing the corresponding relation between the number ratio of the strike-slip and the extension fractures in the same period of the area and the ratio interval of the strike-slip displacement to the extension displacement; according to the method, quantitative analysis can be accurately carried out on the ratio of the displacement amounts with different properties, so that a basis is provided for analyzing the displacement amounts with different properties of a complex structure belt and defining main control factors of regional deformation.

The application provides a microseismic monitoring rock burst working face overburden fracture line position intelligent identification method, and relates to the technical field of rock burst. After normal mining of the working face, the inclination length of the whole working face is selected as a statistical interval, and a "unit length" is determined. Then, a fitting curve of the working face overburden fracture line is determined, the microseismic event cumulative frequency and cumulative energy of the microseismic event in the inclination dimension during the working face advancing and mining process are determined, and then the microseismic cumulative frequency curve and cumulative energy curve of the working face inclination dimension are determined. Then, a working face overburden fracture line position prediction model is established. Finally, the working face overburden fracture line position prediction model is used to predict the overburden fracture line position of the new working face. The method combines the working face overburden fracture height with the frequency and energy of the microseismic signal, quantitatively characterizes the working face overburden fracture height, and determines the rock burst working face overburden fracture line position.

The present invention provides an adjustable bone plate assembly, which belongs to the field of medical device technology. The adjustable bone plate assembly includes: a bone plate, including a bone plate body and a connecting end; a connecting structure, including at least two connecting parts each provided with a through hole, each of the connecting parts being hinged to the connecting end of a different bone plate; the connecting end is in a U-shaped fork structure, including two connecting plates that are parallel to each other and spaced apart, and the connecting parts can pass through the connecting plates. The bone plates of the present invention can be assembled and spliced arbitrarily, solving the problem that there are no matching bone plates for special fracture lines and that existing bone plates cannot be shaped at large angles. At the same time, because the bone plates can be combined and are universal, the supplier's inventory can be reduced.

A hair implant suitable for subcutaneous implantation is provided having an anchor comprising an anchor body, and at least one collagen receiving structure selected from the group consisting of at least one tunnel disposed through the anchor body and an external surface feature of the anchor body. The anchor further comprises at least one hair strand projecting from a distal end of the anchor body, wherein the at least one collagen receiving structure is configured to support collagen ligature growth after subcutaneous implantation of the hair implant to anchor the anchor to a hair implant recipient, and the collagen receiving structure is free of hair. A fracture line in the anchor body allows the body to fragment, thereby releasing collagen ligatures and allowing the implant fragments to “release” and fall out of the skin. The at least one hair strand may comprise a primary hair element with emerging hair elements.

A cutting apparatus and method are disclosed to form the preferential fracture line of a capsule for closing containers, in which a rotating carousel carries a plurality of spindles, each of which can engage a respective capsule that is rolled against a contact surface made of ultra-high molecular weight polyethylene, and in which a fixed blade with a circular sector performs the cut on the rolling capsule, the cutting apparatus and method being applicable to capsules of different dimensions and types.

The invention discloses an intramedullary nail for outer side wall smashing type femoral intertrochanteric fracture, and belongs to the field of medical instruments, the intramedullary nail comprises a main nail, the main nail is connected with a tension bolt through a duct adjusting mechanism, and the main nail is provided with a lock nail; the hole channel adjusting mechanism is arranged on the main screw and used for adjusting the neck-shaft angle of the lag screw, the hole channel adjusting mechanism adjusts and changes the installation angle of the lag screw on the main screw through the structure of the hole channel adjusting mechanism, and then adjustment of the neck-shaft angle of the lag screw is achieved. The lag screw can cross the outer side wall to crush a fracture line, the problem of supporting failure caused by the fact that the screw penetrates through the fracture line in traditional fixation is avoided, meanwhile, the tip end of the lag screw is more accurately embedded into a main pressure bone small beam column (PCS) at the proximal end of the femur, and the holding force of the screw to the femoral head is improved; the main nail and the femoral shaft are tightly fixed through transverse locking, and rotation and axial displacement of the main nail in the medullary cavity are limited.

The invention discloses a rib fracture CT image intelligent detection system based on deep learning. The system comprises a rib CT image acquisition module, a tissue adaptive progressive enhancement module, a density threshold dynamic adjustment module, a CT perception loss constraint module, a rib CT image detection model design module and a rib fracture CT image detection module. The invention belongs to the field of image processing, and particularly relates to a rib fracture CT image intelligent detection system based on deep learning. According to the scheme, a tissue self-adaptive progressive enhancement mechanism is designed, fracture line features are gradually enhanced, and overexposure caused by single-time strong enhancement is avoided; a density threshold value dynamic adjusting mechanism is designed, and the density difference between the fine fracture and the cancellous bone is further expanded; by designing a bone tissue feature enhancement activation function, insufficient rib CT feature response is avoided; solving skewed distribution of rib fracture data based on skewed feature equilibrium loss design; and the final rib fracture CT image detection effect is improved.

The invention relates to a method for processing a component (1) which has at least one through-opening (2) for receiving a further component (3). In a process step, at least one fracture joint is created in the component (2), so that at least two fracture surfaces (7a, 7b) are produced in the component (1). The invention proposes that the fracture separation is carried out in such a way that the component (2) remains a single component even after the fracture separation. The invention further relates to a component which can be manufactured by the method and to a motor vehicle with at least one such component.

The utility model discloses a wear-resistant anti-fracture cable, which relates to the technical field of cables, and comprises a cable mechanism, a storage mechanism, a fixing mechanism and the like, the device is provided with the storage mechanism for placing the cable into a storage cavity for closed storage, and because the cable is not exposed outside, dust cannot fall on the surface of the cable, so that the cable is prevented from being damaged. A user does not need to clean the surface of the cable, meanwhile, the cable is not exposed outside for a long time, aging of the cable can be reduced, the service life of the cable is prolonged, a plurality of evenly-distributed reinforcing ribs are further arranged in the nylon braid layer of the cable, the anti-pulling effect of the cable is enhanced, the cable is prevented from being broken, and the service life of the cable is prolonged. And meanwhile, the plug is slidably arranged between the two first clamping plates, so that the height of the plug can be adjusted to adapt to charging interfaces with various heights, and the application range of the device is enlarged.

The application provides a femur implant biomechanics test assembly method, and belongs to the technical field of bone implant tests, and comprises the following steps: fixing a sawbone bone by using a fixing mechanism, establishing a coordinate and adjusting the position of the sawbone bone according to the coordinate, simulating implantation of a bone plate and a screw by using software, drilling a hole according to a simulation result, fixing the bone plate and the screw, cutting a fracture line on the sawbone bone by using a cutting mechanism, and embedding and treating the sawbone bone by using a dental base powder after implantation of the bone implant is completed, so that an embedding tool is connected to both ends of the sawbone bone, and the assembly is completed. The application calibrates the position of a three-dimensional model and a real object by using a coordinate point, and reversely pushes the screw and the bone plate to an assembly position by using the three-dimensional model, so that the difference between a real assembly structure and a three-dimensional model assembly structure can be greatly reduced, errors caused by manual assembly can be avoided, and the rigor of biomechanics tests can be improved.

The invention relates to an automatic detection method for child mandible fracture based on multi-scale feature optimization. The automatic detection method comprises the following steps: 1, constructing a model; 2, data preparation and preprocessing; step 3, training optimization; 4, performing model evaluation; according to the method, the significance of the fracture line is enhanced through multi-layer feature fusion, the detection precision under small targets and complex scenes is improved, false detection and missing detection are reduced, and an efficient and reliable auxiliary diagnosis tool is provided for clinic.

Hydrocarbon reservoir development that includes determining, based on fracture data, a two-dimensional (2D) fracture model including fracture lines representing locations of fractures in the reservoir, determining, based on the lines, a fracture density index (FDI) map including FDI values for cells representing the reservoir, including, for each cell, determining a FDI value based on proximity to the fracture lines, determining a circulation loss (CL) map including CL values for the cells, including, for each cell, determining a CL value based on proximity of the cell to locations of circulation loss events in the hydrocarbon reservoir, determining, based on the FDI map and the CL map, a correlation of FDI to CL for the reservoir, and drilling a hydrocarbon well based on the correlation.

The utility model discloses a double-layer easy-to-tear packing box which comprises a top piece, a first side piece, a bottom piece and a second side piece, a first end piece and a second end piece are arranged at the two ends of the top piece, and the first side piece, the second side piece, the top piece, the bottom piece, the first end piece and the second end piece are matched together to form a box body. The top piece and the first side piece are provided with a first easy-to-tear fracture line, the first easy-to-tear fracture line is a half-square-shaped first easy-to-tear fracture line, one end of the covering piece is provided with a fracture piece, the other end of the covering piece is connected with the second side piece, and the second side piece is provided with a second easy-to-tear fracture line. And a partial area of the fracture piece is bonded and matched with the second side piece. Compared with the prior art, the packaging box has the advantages that the inner easy-to-tear layer is formed by the top piece and the first easy-to-tear line on the first side piece, the outer easy-to-tear layer is formed by the covering piece and the breaking piece, only when the inner easy-to-tear layer and the outer easy-to-tear layer are torn, the whole packaging box can be in a torn state, and reliability is higher.

The invention provides an osteotomy and reduction planning method for old maxillofacial fracture, a surgical robot system, electronic equipment and a storage medium, S1, scanning to obtain maxillofacial medical image data and dental arch scanning data on both sides of a target human body, and identifying to generate a 3D skeleton model and a callus model; s2, on the basis of the 3D skeleton model and the callus model, the fracture line position of the maxillofacial region of the target human body is inferred through callus influence factors and a machine learning algorithm, and an osteotomy line model is generated; s3, based on the callus model and the osteotomy line model, simulating and planning a callus removal area, a removal path and a removal depth; and S4, based on the maxillofacial region skeleton segment model after the target human body simulates osteotomy, the healthy side maxillofacial region medical image data and the dental arch scanning data, generating a skeleton reduction path through a multi-target optimization algorithm. Therefore, the functions of medical image data identification and analysis, automatic surgical plan generation, robot-assisted surgery and the like based on the artificial intelligence technology are realized.

The utility model provides a rolling piece capable of blocking the inner extension of a cut crack, which is characterized in that a blocking line is additionally arranged at the cut position of the rolling piece to solve the problem that the tear generated by cutting extends inwards. The rolling part is in a shape like a Chinese character'ri 'or a shape B formed by rolling a steel belt, and the section of the rolling part is in a shape like a Chinese character'ri' or a shape B. A cross beam is arranged in the middle of the rolling part. A first process cut-off hole, a second process cut-off hole and a third process cut-off hole are respectively formed in the middle of the left side wall of the rolling part, the middle of the cross beam and the middle of the right side wall of the rolling part, and the first process cut-off hole, the second process cut-off hole and the third process cut-off hole are positioned at the same horizontal position; blocking lines are further arranged, each blocking line is in a concave groove shape, and the blocking lines are located at the corners where the cross beam is connected with the upper side wall and the lower side wall and symmetrically distributed on the front side and the rear side of the second process cutting hole. According to the rolling part capable of blocking and cutting off the inner extension of the crack, the thickness of the plate of the rolling part is t, and the depth of the blocking line is 0.3-0.8 t.

The invention discloses a fracture X-ray film AI auxiliary diagnosis system. The system adopts a deep learning architecture based on a convolutional neural network, and comprises an image preprocessing module, a deep learning recognition module, a diagnosis result output module and a user interaction interface module. The image preprocessing module carries out de-noising processing by combining adaptive median filtering with a bilateral filtering technology, and an improved Canny edge detector is combined with a deep learning edge enhancement network to identify skeleton features. The deep learning recognition module constructs a feature extraction network based on a ResNet-50 pre-training model, and adopts a weighted cross entropy loss function and an Adam optimizer for training. And the diagnosis result output module generates a visual fracture line label by applying a gradient weighted class activation mapping technology, and automatically generates a structured report containing fracture types, severity evaluation and diagnosis and treatment suggestions. The system supports DICOM and JPG format image input, the diagnosis accuracy reaches 78%-80%, and the fracture diagnosis efficiency and accuracy are remarkably improved.

The invention discloses a design method and a manufacturing method of a 3D printing 8-shaped titanium plate. The design method comprises the following steps: S1, reconstructing a fracture model; s2, processing the fracture model to obtain a bone model after fracture reduction; s3, establishing an initial form of the titanium plate according to the skeleton model; s4, importing the skeleton model and the titanium plate in the initial form into finite element analysis software for stress analysis and displacement condition analysis of the bone fracture end; and S5, carrying out topological optimization on the stress value of the titanium plate and the displacement value of the bone fracture end for many times to obtain the 8-shaped titanium plate. The design data is more accurate, the design process and the production cycle of the titanium plate can be reduced, the surgical requirements of urgent patients can be met, the fixing effect of the fracture section can be better improved through the 8-shaped geometric structure, meanwhile, the production cost can be reduced, and blood supply at the fracture line is not affected.

The invention provides a femoral implant biomechanical test assembly method, and belongs to the technical field of bone implant test. Comprising the following steps: fixing a sawbone by using a fixing mechanism, establishing coordinates and adjusting the position of the sawbone according to the coordinates, simulating implantation of a bone fracture plate and a screw by using software, drilling according to a simulation result, fixing the bone fracture plate and the screw, cutting a fracture line on the sawbone by using a cutting mechanism, and embedding by using denture powder after a bone implant is implanted. And the embedding tool is connected to the two ends of the sawbone, and assembling is completed. Calibration of the positions of the real object and the three-dimensional model is achieved through the coordinate points, the three-dimensional model is reversely pushed to the assembly position of the screw and the bone fracture plate, the difference between a real object assembly structure and a three-dimensional model assembly structure can be greatly reduced, errors caused by manual assembly are avoided, and the preciseness of biomechanical testing can be improved.

The periarticular fracture reduction forceps comprise a straight-head forceps body and an elbow forceps body which are hinged and assembled in a crossed mode, and the forceps head part of the straight-head forceps body comprises a first straight rod part and a straight forceps tip which is located at the front end of the first straight rod part and inclines towards one side of the first straight rod part; the plier head part of the bent plier body comprises a second straight rod part and a hook plier tip which is positioned at the front end of the second straight rod part, inclines towards one side and is bent inwards; and the inclined directions of the straight plier tip and the hook plier tip are the same. According to the point type reduction forceps, a displaced fracture block can be firmly clamped, the fracture block is pressurized in the direction perpendicular to a fracture line, placement of an implant is facilitated, accurate reduction and firm fixation of the fracture position are guaranteed, and compared with existing point type reduction forceps, the point type reduction forceps are more convenient and reliable to use.

The invention discloses an intertrochanteric fracture navigation method and system, and relates to the technical field of intertrochanteric fracture navigation. The intertrochanteric fracture navigation method comprises the following steps: acquiring medical image data of a side hip joint area, and constructing a three-dimensional digital model; identifying a fracture line and a plurality of key bone anatomical mark points in the three-dimensional digital model; marking a near-end head and neck fracture block and a far-end backbone fracture block in the three-dimensional digital model based on a fracture line in the three-dimensional digital model; the method comprises the following steps: extracting a spatial attribute set between a near-end head and neck fracture block and a far-end backbone fracture block in a three-dimensional digital model on the basis of each key bony anatomical mark point in the three-dimensional digital model. The spatial attribute set between the near-end head and neck fracture block and the far-end backbone fracture block in the three-dimensional digital model is based on the spatial attribute set between the near-end head and neck fracture block and the far-end backbone fracture block in the three-dimensional digital model; and the target virtual implantation channel is automatically planned in the three-dimensional digital model in combination with the preset mechanical bearing area parameters so as to be used for navigation planning suggestions, so that the precision of preoperative navigation planning is realized.

The application discloses a histopathological evaluation device for the healing degree of bone injury, and relates to the technical field of medical devices, pharmacodynamics and pathological diagnosis. The device comprises a microscope configured to capture an image of a stained bone tissue section; an image processing unit connected to the microscope and configured to obtain semi-quantitative histological measurement results and microscopic bone histomorphometry measurement results based on the image of the stained bone tissue section; the semi-quantitative histological measurement results comprise the state of callus bridging and fracture line, the composition and maturity of callus, new bone formation activity and bone remodeling and structure recovery state; the microscopic bone histomorphometry measurement results comprise the bone volume fraction and the proportion of osteoid surface; and a host computer connected to the image processing unit and configured to generate the bone injury healing condition according to the two kinds of measurement results. The application combines semi-quantitative histological measurement and microscopic bone histomorphometry measurement, and can provide an objective and quantifiable statistical device and method for the healing effect of bone injury.

The application discloses a kind of three-dimensional enclosed surface geological structure model's fracture logic analysis method and system, it is related to three-dimensional geological model analysis technical field, three-dimensional enclosed surface geological structure model's fracture logic analysis method mainly includes: according to the data set of each structure face, discontinuous structure face is subdivided into multiple structure face and obtains smooth structure face;Interpolation method is used to extrapolate and build directed surface, and then three-dimensional geological model is obtained;Each enclosed surface of three-dimensional geological model is cut to cutting surface and is carried out cutting operation to obtain cutting fracture line;According to fracture analysis rule, the parity of cutting fracture line is attributed and filled to obtain filled surface;Each filled surface is attributed with corresponding volume attribute, and form complete new three-dimensional enclosed surface model.The three-dimensional enclosed surface geological structure model's fracture logic analysis method and system provided by the application can efficiently and accurately perform fracture logic analysis and construct three-dimensional enclosed surface geological structure model.

The utility model discloses an anatomical steel plate for fixing the distal coronal plane fracture of femur, which comprises an annular steel plate, a connecting steel bar, screw holes and side hooks, the annular steel plate is provided with a plurality of screw holes, screws are arranged in the screw holes, and the screws are fixed on the femur. Two connecting steel bars are arranged on the inner side of the annular steel plate, the two ends of each connecting steel bar are fixed to the annular steel plate, three-medium side hooks are arranged on the edge of the side face of the annular steel plate, and the side hooks are hooked at the junctions of tendon bones and thighbones. The side hooks, the annular steel plate and the connecting steel bars are of an integrated structure. The thickness of the steel plate is small, the steel plate can be automatically shaped according to the shape of a bone after screws are screwed in, a plurality of screws can be placed at the far end of a fracture line, the steel plate serves as a supporting steel plate in the lateral front of a fracture position, the screws can be arranged from front to back and from outside to inside to fix a fracture block, and therefore multi-point fixing is achieved. And the three side hooks are fixed at the tendon-bone junction of the fracture end, so that the fixing effect of the fracture block can be enhanced.

The utility model relates to the technical field of auxiliary device, especially PFNA auxiliary device, it is mainly aimed at the process of reaming, reaming and inserting the main nail from the fracture line or the nearby position of the great trochanter vertex when carrying out PFNA internal fixation often causes the broken end separation, delays the fracture healing even does not heal, influences the patient recovery effect and the life quality, and the existing hook, towel forceps, bone holder or skin extrusion etc. direct or indirect mode maintains the reduction effect is not ideal problem, proposes the following technical scheme: including sleeve, the guide needle is slidably connected in the sleeve, a plurality of groups of through -hole are installed in the sleeve outer circle, a plurality of groups of through -hole are annular array distribution, the through -hole is used for guiding the kirschner wire, the positioning assembly is arranged in one end of the sleeve, the positioning assembly is used for limiting the guide needle, the utility model can effectively fix the broken end, accurately position the guide needle, promotes the fracture healing, improves the operation efficiency and the patient recovery effect and the life quality.

The invention relates to a CT (Computed Tomography) and MRI (Magnetic Resonance Imaging) multi-modal fusion-based osteoporotic fracture predicting and positioning method, which comprises the following steps of: acquiring and screening a CT image and an MRI image, and marking a fracture region; constructing a three-dimensional bimodal fracture positioning model which comprises a double-flow feature extraction encoder, a Mangban fusion module and a double-task reasoning module, and performing end-to-end training on the constructed model by using the constructed data set to obtain a trained osteoporotic fracture prediction and positioning model; and predicting the CT image and the MRI image to be detected, outputting a fracture probability prediction result, and calibrating on the images. According to the method, structural details of CT and tissue contrast information of MRI are combined, so that the recognizability of fine fracture lines and early bone changes is improved; classification and positioning tasks are executed cooperatively, so that process complexity and error accumulation caused by series connection of multiple models are avoided; the Mangbar fusion module with linear complexity significantly reduces the consumption of computing resources, and improves the reasoning speed and the system stability.