550 results about "Orthopedics surgery" patented technology

The invention provides a shoulder joint replacement surgery navigation system and method, and relates to the technical field of computers, and the system comprises a controller and a navigation positioning device; the controller is in communication connection with the navigation positioning device; the controller comprises a preoperative planning module, a preoperative simulation module and an intra-operative execution module. According to the navigation system and method for the shoulder joint replacement surgery, by combining the preoperative medical image of the affected bone and the medical image of the healthy bone corresponding to the affected bone, the healthy form of the affected bone can be reflected more accurately under the condition that the affected bone has bone defect and / or abnormal form, and then prosthesis planning can be conducted based on the three-dimensional bone model of the affected bone, so that the patient experience is improved. The preoperative surgical planning is more objective and quantified, the movement range of the shoulder joint on the operative side of the patient after the prosthesis to be implanted is implanted into the affected bone can be simulated based on the parameter information of the prosthesis to be implanted, the accuracy and rationality of the prosthesis planning are further improved, and the accuracy and reliability of the orthopedic surgery are remarkably improved.

The invention relates to an orthopedic postoperative drainage liquid infection risk identification method. Drainage liquid is regarded as system output jointly driven by postoperative local immune regulation and wound recovery; capturing a nonlinear time sequence curve; first-order derived trend modeling is carried out; abrupt change after the change rate is stable is analyzed; establishing a postoperative recovery normal path framework, and forming a standard recovery trend library by using drainage fluid dynamic parameters of non-infected cases; comparing the Euclidean offset degree and directional change between the drainage parameter behavior vector of the current patient and the standard trajectory; the change is converted into a visual recovery offset map, and infection prediction data is measured from a multi-day trend angle; constructing and identifying local abnormal signal aggregation; forming a framework of infection event transition to obtain clinical infection nodes of qualitative change caused by quantitative change; according to the method, early-stage accurate recognition can be realized, the intervention opportunity can be obviously advanced, single threshold misjudgment is avoided, the recognition accuracy and specificity are improved, the model adaptability is improved, and the recognition interpretability is enhanced.

The invention belongs to the field of medical materials. The invention provides a porous artificial bone and a preparation method thereof, the components of the porous artificial bone comprise absorbable macromolecules and an orthopedic inorganic implant material, the mass ratio of the absorbable macromolecules to the orthopedic inorganic implant material is 1: 0.1-2, the porous artificial bone has a through porous structure, the porosity is greater than 70%, and the pore size distribution range is less than 500 [mu] m. The porous artificial bone has a pore structure and mechanical properties beneficial to bone regeneration, the pore diameter is stable, the mechanical properties are appropriate, after the porous artificial bone is implanted into a defect part, the bone volume is always increased, the increase rate of regenerated bone tissue is remarkably improved, the effect of bone conduction is effectively achieved, bone regeneration is very beneficial, and animal experiments prove that the porous artificial bone has a good application prospect. The material can be used for filling and repairing various bone defects in orthopedic surgery. The preparation method is simple, stable and effective, can be absorbed, is low in cost, has great market potential, and is simple, stable and effective compared with a conventional artificial bone preparation method at present.

The invention relates to the technical field of orthopedic surgery, in particular to a system for automatically planning a screw channel range, which comprises a medical image acquisition module used for receiving and preprocessing CT, MRI and other medical images from medical equipment; the three-dimensional reconstruction module is used for performing three-dimensional reconstruction on the preprocessed two-dimensional medical image to generate a three-dimensional skeleton model; the multi-constraint path planning module is used for planning a candidate path set meeting anatomical and mechanical constraints in the three-dimensional skeleton model; the parameter calculation module is used for calculating path information of the candidate path set; and the visualization module draws a screw channel based on the path information and displays related parameters. The method has the advantages that the candidate path set meeting various anatomy and mechanical constraints can be planned in the three-dimensional skeleton model, the path length and the path included angle are calculated according to the candidate path set, the screw channel is drawn based on the path information, and the accuracy and safety of surgical planning are improved.

The embodiment of the invention is applicable to the technical field of computer-aided medical treatment and osteotomy, and provides an osteotomy control system, computer-aided medical equipment and a computer program product, the osteotomy control system comprises a data processing unit, an optical positioning system and mechanical arm equipment; wherein the optical positioning system is used for collecting three-dimensional image information of an operation area of a patient and a tool at the tail end of the mechanical arm and transmitting the three-dimensional image information to the data processing unit; the data processing unit is used for calculating relative position information between the mechanical arm tail end tool and the osteotomy safety boundary according to the three-dimensional image information, and generating a control instruction when the mechanical arm tail end tool exceeds the osteotomy safety boundary; the mechanical arm equipment is used for applying acting force to the mechanical arm tail end tool according to the control instruction, and the mechanical arm tail end tool is prevented from exceeding the osteotomy safety boundary. By the adoption of the osteotomy control system, the safety and osteotomy precision of orthopedic surgery can be improved, and the operation burden of doctors is reduced.

The invention belongs to the technical field of orthopedic surgery navigation, discloses a communication and positioning integrated orthopedic surgery navigation method and system based on multi-dimensional perception, and aims to solve the problems that in an existing orthopedic navigation technology, optical navigation is prone to being shielded, multipath interference of UWB positioning is serious, and real-time performance is insufficient. Comprising the steps of obtaining measurement values including positioning data of a UWB positioning module, ranging data of a laser ranging module and an attitude angle of an IMU module; according to the method, extended Kalman filtering is adopted, positioning data of a UWB positioning module, ranging data of a laser ranging module and an attitude angle of an IMU module are taken as state vectors, dynamic adjustment of credibility is realized by adjusting a process noise matrix of a state equation and a measurement noise matrix of a measurement equation according to task characteristics, and the credibility of the UWB positioning module is improved according to data of different credibility. And resolving the pose state of the tail end of the surgical instrument. The method has the advantages of high positioning precision, high response speed, high environmental adaptability and high resource efficiency.

The invention discloses an artificial intelligence-based postoperative rehabilitation auxiliary monitoring system for orthopedic surgery. The system comprises a data acquisition module, a rehabilitation progress evaluation module, a motion analysis module, a risk early warning module, an optimization system module and a personalized rehabilitation module. The invention belongs to the technical field of rehabilitation monitoring, and particularly relates to an orthopedic surgery postoperative rehabilitation auxiliary monitoring system based on artificial intelligence. According to the scheme, motion analysis is adopted, postures are decomposed into a standard state and an error state, modeling errors are considered, a posture updating equation is calculated to reflect actual posture changes, and the actual posture changes are compared with the updated standard state; estimating and correcting the error state in real time, and adjusting a rehabilitation treatment scheme; system optimization is adopted, attention mechanism processing is carried out, data features are extracted, training efficiency is improved, positive model parameters are updated by minimizing prediction errors, a reverse model is optimized, a curiosity loss function is constructed, curiosity-driven exploration is achieved, internal rewards are introduced, and the rehabilitation effect and efficiency are improved.

The embodiment of the invention is suitable for the technical field of computer-aided medical treatment, and provides an orthopedic surgery robot system and a computer program product, and the orthopedic surgery robot system comprises an orthopedic surgery robot and a flexible pressure sensor connected with the orthopedic surgery robot; wherein the flexible pressure sensor is used for collecting first data of the knee joint in the operation process and transmitting the first data to the orthopedic operation robot, and the first data at least comprises stress information of the knee joint in the operation process; the orthopedic surgery robot is used for obtaining second data corresponding to the first data in the surgery process, visual knee joint stress distribution information is generated according to the first data and the second data, the knee joint stress distribution information is displayed through the display interface, and the second data at least comprises the flexion and extension angle and the joint gap of the knee joint. By the adoption of the orthopedic surgery robot system, the stress condition of the knee joint in the surgery process can be accurately monitored, and accurate mechanical feedback is provided for the surgery.

The invention discloses a spring probe system for rapid registration of articular cartilage based on 3D printing, and relates to the technical field of medical imaging and orthopedic surgery navigation. The problem that the joint registration precision is insufficient due to the fact that cartilage cannot be developed in traditional CT imaging is solved. Through personalized customization of the 3D printing guide plate, convenient installation of positioning holes, adjustability of the spring probe assembly and real-time data monitoring, and automatic data processing of the intelligent registration module, manual operation is reduced, the operation efficiency is improved, the spring probe assembly is reasonable in structure and adjustable in elastic force, stable operation of the system in an operation is guaranteed, and the operation safety is improved. Multi-position CT scanning is combined with an advanced image processing and registration technology, an accurate initial model is constructed, a spring probe assembly collects data and is combined with an elastic deformation compensation model to correct registration errors in real time, the registration accuracy is improved, reliable support is provided for orthopedic surgery navigation, the surgery success rate can be improved, and patient wounds and surgery risks are reduced.

The invention discloses a personalized orthopedic surgery planning method based on machine learning, and relates to the technical field of personalized medical treatment, and the method comprises the steps: collecting medical data of a patient, generating a personalized basic data set of the patient, building a risk prediction model, and obtaining a predicted surgical risk score; preprocessing the basic data set, and extracting features of the skeleton structure of the patient based on a deep learning algorithm; training the personalized orthopedic surgery planning model, optimizing the historical patient data based on the personalized orthopedic surgery planning model, and predicting an optimal surgery plan; and outputting a personalized operation scheme according to the trained machine learning model. According to the method, machine learning and personalized orthopedic surgery planning are combined, a personalized surgery scheme is customized for each patient, the most suitable surgery scheme is provided for the patient in combination with historical data and the risk prediction model, the surgical treatment effect and the life quality of the patient are remarkably improved, and the method has wide clinical application prospects.

The invention discloses a multifunctional coating capable of forming a long-term stable endogenous electric field to promote antibiosis, and a preparation method and application thereof, and belongs to the technical field of biological functional modification. According to the coating, through the elaborately designed Ta / Ag heterostructure, long-term stable generation of an endogenous electric field is achieved, the antibacterial performance is enhanced, osseointegration is promoted, and the problem of drug resistance is avoided; the coating does not need external electrical stimulation, so that the operation process is simplified, and the clinical application risk is reduced; due to the Ta material, the osseointegration capacity is improved, and Ag has broad-spectrum and efficient antibacterial performance. The TC4-Ta / Ag group has excellent charge storage capacity and a stable electric field, and the long-term osseointegration effect is remarkably improved; according to the preparation method of the coating, the coating which is stable in structure and not prone to falling off can be obtained, the long-term stable antibacterial performance is kept, the coating has wide application prospects in the field of titanium alloy bone implants, a new solution is provided for orthopedic surgery and implant treatment, and the treatment effect and life quality of patients are improved.

The invention relates to the technical field of orthopedic nursing, discloses an orthopedic postoperative intelligent mutual-calibration dynamic rehabilitation nursing system, and particularly aims to solve the problems that an existing orthopedic postoperative rehabilitation nursing system depends on a single physiological index and a static threshold value and lacks a multi-channel forward and reverse signal cross-calibration and dynamic threshold value adjustment means; the system solves the problems that environmental noise and equipment artifacts are difficult to filter, and fatigue gait offset, muscle overload and venous backflow abnormal risk misjudgment or missing detection is easily caused, and comprises a data acquisition module, a feature extraction module, a cross-channel mutual correction module, a risk identification module and an intervention recommendation module. Through mutual correction and dynamic correction of multi-source forward and reverse signals, artifacts are filtered in real time, abnormal risks of fatigue, overload and venous return are accurately recognized, personalized closed-loop intervention is achieved, and safety and effectiveness of rehabilitation training are improved.

The utility model provides an automatic sensing device suitable for orthopedic surgery. The automatic sensing device comprises a force sensor, a visual sensor and a drilling module which are used for being assembled on a mechanical arm of a surgical robot. Wherein the drilling module is used for assembling a drilling tool and pushing the drilling tool to execute drilling operation; the force sensor is used for detecting torque information of the drilling tool in the drilling operation; the visual sensor is used for acquiring image data of an operation area; wherein the force sensor, the visual sensor and the drilling module are respectively connected with a control system of the surgical robot; and the control system is used for receiving the moment information and the image data and controlling the drilling module to drill towards the surgical area at the target moment. By means of the device, the position and action of the drilling tool can be accurately controlled so as to assist a doctor in completing an operation, application in complex and fine operations is achieved, the complexity in the operation process is reduced, and the operation time is shortened.

The invention discloses a surgical robot for orthopedic surgery, and relates to the technical field of medical equipment. The device comprises a base, a supporting column is fixedly connected to the top of the base, a transverse frame is installed on the top of the supporting column, a supporting seat is fixedly connected to the front side of the transverse frame, mechanical arm bodies are installed on the two sides of the supporting seat, and drilling machines are arranged at the other ends of the mechanical arm bodies; a mounting assembly is arranged at the bottom of the drilling machine and comprises a mounting shell, and the mounting shell is fixedly connected to the output end of the drilling machine. Through the arrangement of the tool changing assembly, when the drill bits are separated from the mounting column, the falling drill bits can be collected through the collecting box, the position of the rotating disc is adjusted, the multiple sets of drill bits of different specifications are arranged at the top of the rotating disc, and when the drill bits are adjusted to the bottom of the mounting column, the drill bits can be pushed upwards to be inserted into the mounting column; automatic drill bit replacement and rapid installation are completed, and a large amount of operation time can be saved.

The invention discloses an artificial intelligence assisted femoral neck fracture screw path planning system and method, and the system comprises an image collection module, a structure recognition module, a path planning module, a decision feedback module and a robot execution module, and all the modules achieve the linkage through data and control signal interfaces. Structured and data-driven design reference is provided, unnecessary attempts and repeated operations are reduced, the path design efficiency and standardization level are improved, and the implementation mode has good adaptability, can be compatible with existing multi-brand orthopedic robot platforms, is especially suitable for intelligent screw path planning in femoral neck fracture fixation, and has wide application prospects. The method has remarkable advantages in the aspects of technical innovation and industrial application, and is expected to improve the screw implantation precision, shorten the time consumption in the operation, reduce the track adjustment frequency, reduce the radiation exposure risk, and promote the deep development and clinical transformation of the AI-assisted intelligent path control technology in the field of orthopedic operations.

The invention relates to the technical field of orthopedic surgery, in particular to an orthopedic surgery tracer fixing device which comprises a base, a damping cover is fixedly connected to the surface of the base, two kirschner wire bodies are movably inserted into the base and the damping cover, a mounting groove is formed in the base, and the kirschner wire bodies are arranged in the mounting groove. A kirschner wire locking block is arranged in the center of the interior of the mounting groove, a bolt mounting block is movably connected to one side of the kirschner wire locking block, and a kirschner wire locking bolt is movably connected to one side of the bolt mounting block. The kirschner wire tracer is provided with a base, a kirschner wire body, a mounting groove, a kirschner wire locking block, a bolt mounting block, a kirschner wire locking bolt, a holder, a tracer body, an insertion hole, a movable groove, an adjusting rolling ball, an adjusting rod, a tightening seat, a tightening bolt, a second insertion groove, a positioning pin, a pressure spring, a snap spring and a thrust bearing. The device can be used for installing and fixing the tracer which is simple in structure, low in production and manufacturing cost, high in stability and not prone to damage.

The invention belongs to the field of medical imaging and artificial intelligence, and discloses a preoperative three-dimensional CT registration method based on a single X-ray image. According to the method, the CT of the current pose of the patient is recovered by using an X-ray image, and then CT registration in a three-dimensional space is performed by using the recovered CT and the preoperative CT, so that the problem of dimension mismatching in a previous registration method is solved. The invention provides a single-view-angle CT reconstruction network which is used for converting a two-dimensional X-ray image into a three-dimensional CT, and then registration of the CT generated by the network and the preoperative CT is realized by using an ICP (Inductively Coupled Plasma) algorithm. The CT registration in the three-dimensional space is realized only by using the X-ray image, the CT registration precision is effectively improved, the submillimeter-level CT registration is realized, the position of the anatomical structure of a patient can be accurately determined especially in the spine orthopedic surgery, and doctors are helped to accurately and efficiently implement the surgery.

The present disclosure relates to a surgical robot for orthopedic surgery, comprising a robotic arm device, a positioning and navigation device, and a control device, wherein the robotic arm device comprises at least two robotic arms, and an end effector is arranged at the end of each robotic arm close to an operating zone. The positioning and navigation device comprises an electromagnetic navigation device. The electromagnetic navigation device comprises: a tracking apparatus for electromagnetic tracking, comprising a magnetic field generator used for covering the at least two end effectors and at least two first electromagnetic tracking elements used for respectively tracking the orientations of the at least two end effectors during the surgery; and a reference frame, wherein a second electromagnetic tracking element and a developing body capable of displaying a coordinate position are arranged on the reference frame. The positioning and navigation device further comprises an imaging device used for positioning and navigating the at least two end effectors. The imaging device comprises an infrared coherent imaging navigation device used for positioning the operating zone and the at least two end effectors.

The invention discloses a preparation method of an antibacterial and cell adhesion promoting orthopedic implant, which comprises the following steps: 1) preparing an aqueous solution of a polyphenol compound, adding polyhexamethylene guanidine hydrochloride and arginine-glycine-aspartic acid into the single aqueous solution, and uniformly stirring to obtain a mixture; the mass concentration ratio of the polyhexamethylene guanidine hydrochloride to the arginine-glycine-aspartic acid is (50: 1)-(200: 1); 2) soaking an implant base material in the solution at room temperature to react for 12-24 hours; and (3) after cleaning, obtaining the antibacterial and cell adhesion promoting orthopedic implant. According to the invention, competitive growth of bacteria and cells is realized: cells gt; and growth of bacteria. The win-win situation of resisting bacteria and promoting adhesion and osteogenesis is realized, and the problem of implant loosening caused by infection in orthopedic surgery can be reduced to a certain extent.

The invention discloses an orthopedic surgery planning and real-time navigation method and system based on artificial intelligence and multi-modal image fusion. The method comprises the following steps: receiving and fusing preoperative multi-modal image data of a patient, and automatically segmenting a key structure by using a deep learning model to generate a three-dimensional virtual model; an optimal operation path is planned through an artificial intelligence model according to the three-dimensional virtual model; the spatial positions of the surgical instrument and the target skeleton area of the patient are tracked in real time through an electromagnetic positioning system, and real-time spatial position data and the three-dimensional virtual model are registered and are fused, overlapped and displayed on a surgical navigation screen; the relative position deviation between the tip of the surgical instrument and the optimal surgical path and the key tissue safety area is calculated in real time, and an early warning is given to a surgeon according to the relative position deviation. The optimal operation path can be accurately and objectively generated so as to ensure the adaptability of the operation path and the patient. Therefore, doctors can pay attention to the operation process specifically, and the operation stability and reliability are improved.

The invention relates to the technical field of medical instruments, in particular to an incision traction device for orthopedic surgery. Comprising a support, the support is connected with two sliding supporting blocks in a sliding mode, the sliding supporting blocks are connected with a first sliding rail in a sliding mode, the first sliding rail is connected with a first sliding block in a sliding mode, the first sliding block is connected with a second sliding rail in a sliding mode, the second sliding rail is provided with an arc-shaped groove, and the arc-shaped groove of the second sliding rail is connected with an arc-shaped frame in a sliding mode; and the number of the third sliding rails is two, the two third sliding rails are fixedly connected to the adjacent arc-shaped frames correspondingly, the third sliding rails are slidably connected with two second sliding blocks, the second sliding blocks are rotatably connected with rolling frames, and the two rolling frames of the same third sliding rail are jointly and fixedly connected with an extrusion plate. The arc-shaped frame slides along the arc-shaped groove in the second sliding rail, the two extrusion plates open the incision of the patient along the rotating path, the moving path of the extrusion plates extruding the inner side of the incision of the patient is short, and the pulling force on the inner side of the incision of the patient is reduced.

The invention provides a method, a system, a medium and equipment for monitoring orthopedic force of a spinal orthopedic surgery, and belongs to the technical field of medical instruments. The spine orthopedic system comprises an inner fixing rod and an outer fixing rod, the fixing structure and the locking structure are fixed to the inner fixing rod; the opening structure slides on the outer side wall of the inner fixing rod; the elastic structure is arranged on the outer side wall of the inner fixing rod in a sleeving mode, is located in an interval limited by the locking structure and the opening structure and drives the opening structure to move in the direction away from the locking structure; the standby bolt is used for connecting the opening structure and the inner fixing rod; the sensor module is located at any end or two ends of the elastic structure and used for measuring elastic force data of the elastic structure and motion data of the inner fixing rod; and the wireless communication module is used for transmitting the elastic force data and the motion data to an external receiver. The problems that in the prior art, when a spring fails, overall replacement is needed, and the correction state, the spring function and spring stress cannot be monitored in real time can be solved.

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 invention discloses a drilling aiming device for orthopedic surgery, relates to the technical field of orthopedic surgery, and provides the following scheme that the drilling aiming device comprises cross rods, a rectangular mounting plate is arranged between a pair of cross rods, pressure sensors are mounted at the four corners of the mounting plate, and first electric push rods are connected between the stress ends of the pressure sensors and the cross rods; a vertical sleeve is slidably connected to the mounting plate, a rotating cylinder is rotatably connected to the mounting plate, a slidable scale ring is rotatably connected to the rotating cylinder, a supporting frame is mounted below the cross rod, and an abutting block is connected to the supporting frame; the leg is clamped through the abutting block, stability is improved, the mounting plate is pulled in any direction, under the action of the pressure sensor, the first electric push rod shrinks or stretches, the movement angle of the mounting plate is conveniently controlled manually, the scale ring rotates during punching, when the zero scale on the scale ring reaches the pointer, it is indicated that the punching depth is the needed depth, and the punching efficiency is improved. The punching depth is effectively limited, and operation is convenient.

Depth gauges used in orthopedic surgery. Specific embodiments relate to depth gauges with a measuring feature, such as a rounded tip, intended to simulate a screw head for depth measurement during surgery.

The invention belongs to the technical field of minimally invasive orthopedic surgeries, and provides a multi-angle precise drilling guider for minimally invasive orthopedic surgeries, which comprises a longitudinal guide frame fixedly connected to one side edge of an operating table through a plurality of bolts, and a pre-positioning mechanism for preliminarily positioning a drilled hole is arranged on the longitudinal guide frame; a guide mechanism for guiding the drilling direction of the drilling rod is arranged in the pre-positioning mechanism, the guide mechanism comprises an outer barrel, the outer part of the outer barrel is slidably sleeved with a ball, and the ball is hinged to the center of the mounting seat; the guide mechanism is arranged, the eight rolling rods are evenly distributed, sliding friction between the drill rod and the inner barrel is converted into rolling friction, the friction coefficient is effectively reduced, power loss is greatly reduced, meanwhile, silicone oil is adopted for lubrication, an oil film is formed on the rolling contact face, friction is further reduced, and according to the diameter change of the drill rod, the diameter of the drill rod can be changed. And the radial distances of the eight rolling rods are electrically and synchronously adjusted, so that rolling supporting of drill rods with different diameters is met, and the applicability is high.

An implantation kit including a rotational osteotome and an implant is disclosed. The rotational osteotome includes a plurality of steps of different diametrical sizes, a tip, and at least one flute; and every step includes an annular bottom bevel to provide a cutting edge and recessed section. The implant includes a body having a cylindrical head section and a conical section provided with an external thread and a plurality of spiral flutes. The conical section has a downward tapered profile correspondingly aligned with the recessed sections. The cylindrical head section has a straight cylindrical profile matching that of the step having the largest diametrical size. With the above arrangements, an implant hole on a bone can be formed in only one drilling with one single osteotome for fixedly holding the implant therein. Therefore, the time needed for dental and orthopedic surgeries is largely shortened while better osseointegration can be achieved.

The invention relates to the technical field of orthopedic surgery, and discloses a positioning method for orthopedic surgery, which comprises the following steps: step 1, acquiring image data: acquiring image data of legs of a patient by using CT (Computed Tomography) and MRI (Magnetic Resonance Imaging) equipment; step 2, three-dimensional modeling: generating a three-dimensional skeleton model of the legs of the patient based on the image data; 3, preoperative planning, wherein a preoperative operation path is planned on software according to the three-dimensional model. According to the positioning method for the orthopedic surgery, image data are obtained through CT and MRI equipment, three-dimensional modeling is carried out, the leg skeleton structure of a patient can be accurately presented, an accurate basis is provided for surgical path planning, optical positioning and electromagnetic positioning technology registration, mechanical arm navigation and real-time monitoring adjustment are utilized in the surgery, and the positioning accuracy is improved. And the problem of positioning deviation caused by the experience of medical staff and a simple fixing device traditionally is effectively avoided, and correct alignment of surgical parts is ensured.

The invention discloses an orthopedic surgery navigation drilling and implant placement intention real-time optimization method based on multi-modal perception, and relates to the technical field of computer-aided surgery, man-machine interaction and intelligent medical equipment. Multi-modal signals such as electroencephalogram, eye movement and myoelectricity of a doctor are collected in real time through XR glasses and an intelligent surgical drill; and inputting the pre-trained micro-world model to generate a current intention vector and predict a future bone structure trajectory. The intention level is judged by calculating the energy distance between the intention and the master template and an emotional value function: when the intention meets the master level condition, the system automatically generates an XR green optimal path and assists in operation; and when the intention is identified as the risk intention, triggering the skykeeper system to lock the equipment and send out an alarm. The system supports a data federation learning evolutionary model, and immediately destroys an original multi-mode signal after encoding to guarantee data security. According to the invention, the real-time monitoring, evaluation and guidance of the operation intention are realized, and the accuracy and safety of the operation are improved.

The invention relates to the technical field of orthopedic medical treatment, in particular to a dynamic path planning method and system for an orthopedic surgical robot, and the method comprises the steps: fusing multi-modal medical diagnosis information to construct a three-dimensional model, and formulating an initial scheme containing an obstacle avoidance boundary; in the operation, multi-source data are collected through multi-device cooperation and time sequence alignment is carried out; performing two-dimensional dynamic calibration to generate a compensation value; updating paths and parameters according to a hierarchical strategy, and verifying a security boundary; real-time feedback is realized; and convenient manual intervention is provided. The system comprises a multi-modal data processing module, an intra-operative collaborative acquisition module, a dynamic calibration module, a path adjustment module, a man-machine interaction module and a main control module, and full-process automation is achieved. The operation accuracy and safety can be improved, manual operation of doctors is reduced, clinical requirements are met, and the method has important clinical application value.