118 results about "Surgical simulation" patented technology

The invention relates to the technical field related to artificial intelligence, in particular to an intelligent medical diagnosis engine based on an AI large model, which comprises an auxiliary diagnosis module for collecting data such as an electronic medical record and a medical image of a patient and predicting an auxiliary result by using an integrated learning method; the drug recommendation module is used for analyzing drug recommendation data by using an AI large model and predicting potential curative effects and side effects of new drugs; and the operation simulation module is used for constructing an operation environment and a human body model in combination with a virtual reality technology. A large amount of medical data can be quickly processed and analyzed through auxiliary diagnosis, the diagnosis time is shortened, gene, physiological and pathological multi-omics data of a patient can be integrated by reducing unnecessary invasive examination and misdiagnosis and drug recommendation, a personalized drug treatment scheme is provided for the patient, and the patient experience is improved. Comprehensive and accurate diagnosis basis and treatment suggestions are provided for doctors; by accurately simulating a real operation scene including mechanical and optical characteristics, a more real training experience is provided for doctors and medical students.

An interactive and dynamic surgical simulation system may be used in the context of a computer-implemented interactive surgical system. The surgical simulation system may provide coordinated surgical imagining. A processor may be configured to execute a simulation of a surgical procedure. The surgical procedure may be simulated in a simulated surgical environment. The processor may generate a first visual representation and a second visual representation. The first visual representation may be of a first portion of the simulated surgical environment. The second visual representation may also be of the first portion of the simulated surgical environment.

The invention discloses a virtual reality-based heart three-dimensional model construction and operation simulation guidance system. The system comprises a heart data acquisition module, a heart simulation module and a virtual operation module. A dynamic heart simulation model is constructed through a multi-modal medical data fusion technology, electro-mechanical two-way coupled heart motion simulation is achieved, and an immersive surgery scene is generated in combination with a virtual surgery interaction mechanism. The data acquisition module integrates electrocardiogram, image and physical data to form a database; the heart simulation module generates a dynamic heart model through time-frequency domain analysis, finite element modeling and a time-space coupling algorithm; and the virtual operation module supports real-time instrument operation feedback and operation effect prediction. The system can assist doctors in preoperative planning, intraoperative guidance and postoperative evaluation, and the accuracy and safety of cardiac surgery are improved.

The invention relates to the field of medical education and training. The invention discloses a virtual reality-based operation training system and method, and the system comprises a data collection module which is used for collecting operation related data, a simulation training module which is connected to a data processing and modeling module and is used for the operation simulation training of students, and an evaluation module which is connected to the simulation training module and the data processing and modeling module and is used for the operation simulation training of students. The teaching assisting module is connected to the simulation training module and the evaluation module, and the system management module is used for managing the operation training system. According to the operation training system and method based on virtual reality, various data of an operation can be collected through the data collection module comprising a plurality of sub-modules, the operation force of an operation instrument, the pressure of an operation simulation scene and the operation pressure distribution data of a human body model can also be collected, and basic information is provided for subsequent training and analysis. The simulation training module provides a plurality of operation scenes and training modes. The evaluation module performs quantitative evaluation on multiple aspects of the trainees.

The invention discloses a neurosurgical operation virtual simulation training system based on multi-modal data fusion, and relates to the technical field of operation simulation. The data acquisition and preprocessing module acquires data such as images and force feedback, and standardized storage is performed after filtering and registration; the multi-modal data fusion module performs weighted fusion on the data by using an attention algorithm to generate a three-dimensional model; the virtual operation scene construction module generates a high-fidelity environment through ray tracing and a physical engine; the surgical operation interaction simulation module realizes accurate interaction through positioning tracking and force feedback; the training evaluation and feedback module quantifies operation performance and provides guidance; and the system management and iteration module guarantees operation and supports data updating and optimization. According to the method, a high-reality scene is constructed through multi-modal fusion, interaction and multi-dimensional evaluation help skill improvement, dynamic difficulty and personalized paths are adaptive to different users, collaborative training and privacy data collaboration are supported, operation training standardization is promoted, and the risk of errors in an operation is reduced.

The invention discloses an intelligent operation simulation and training system based on virtual reality and an operation method thereof, and belongs to the crossing field of virtual reality and medical education. The system comprises a medical image processing module, a physical engine simulation module, a virtual reality interaction module and an intelligent auxiliary engine. The medical image processing module is used for converting medical image data into a personalized three-dimensional anatomical model and also has a multi-modal registration function; the physical engine simulation module simulates interactive mechanical feedback and various dynamic effects of surgical instruments and human tissues, and provides force feedback experience; the virtual reality interaction module constructs an immersive operation scene and supports multiple interaction functions; the intelligent auxiliary engine comprises a pre-operation planning module, an intra-operation simulation module and a post-operation redisk module, and provides intelligent services in the whole operation process based on an AI algorithm and a historical case library. The operation method comprises the steps of acquiring and processing image data, simulating surgical operation, and monitoring, recording and analyzing surgical data by using the intelligent auxiliary engine.

The invention relates to the technical field of medical orthopedic simulation devices, and discloses an orthopedic hip arthroscopic surgery simulation device which comprises a base, a supporting assembly is arranged on the upper side of the base, and a longitudinal moving assembly is arranged above one side of the supporting assembly. Transverse moving assemblies are arranged above the other side of the supporting assembly and on one side of the longitudinal moving assembly, one of the two transverse moving assemblies is provided with a thighbone model in a clamping mode, and the other one of the two transverse moving assemblies is provided with a pelvis model in a clamping mode. The supporting assembly comprises a right-angle table fixedly arranged at the position, close to one side, of the upper end of the base. According to the hip joint arthroscopic surgery simulation device for the orthopedics department, through overall cooperative use, movement in different directions under the normal condition is simulated, movement tracks in different spaces are improved, operation simulation is more flexible and real, and the operation ability of doctors in the surgery is improved.

The invention relates to the technical field of medical image processing and surgical navigation, in particular to a liver segmentation, modeling and surgical simulation system based on a cascade neural network and a multi-scale reconstruction technology. The multi-scale dynamic registration module is used for carrying out coarse segmentation and fine segmentation on liver and focus areas of the medical image and is used for non-rigid registration and respiratory motion compensation of the multi-modal medical image; the physical enhancement modeling engine is used for constructing a liver vessel tree three-dimensional model containing hemodynamic characteristics; the operation navigation and risk assessment module is used for performing real-time navigation and operation path planning in the operation; and the self-adaptive computing framework provides underlying computing resource support for the system. And high-precision segmentation: through a cascade recursive network and a boundary sensitive loss function, the liver tumor segmentation Dice coefficient reaches 94-96%, which is increased by 6-12% compared with the traditional method.

The invention discloses a nasal skull base virtual dissection teaching data processing method and system based on a digital twin technology and a medium, and can be applied to the technical field of virtual training. According to the method, the three-dimensional anatomical model of the nasal skull base is constructed based on the digital twin technology, and meanwhile, the virtual training module for providing various to-be-selected operation simulation operation scenes is constructed, so that a complete virtual training environment of the nasal skull base operation can be provided for personnel such as doctors and the like; then, after operation data of virtual anatomy of the user on the nasal skull base three-dimensional anatomical model in the target operation simulation operation scene is obtained, the virtual training process of the user is comprehensively evaluated according to the operation data, and therefore comprehensive evaluation information of virtual training can be provided for personnel such as doctors and the like; therefore, the corresponding personnel can carry out training operation adjustment based on the comprehensive evaluation information, and the training efficiency is effectively improved.

The invention relates to the technical field of system integration of minimally invasive surgery simulation training equipment, and discloses a multi-module linkage control and multi-dimensional synchronous evaluation first-aid minimally invasive simulation training system which integrates a laparoscope, anesthesia monitoring, a dummy and a control acquisition evaluation unit. The control unit realizes full-process control based on a finite-state machine: executing anesthesia parameter and instrument interlocking verification before an operation, and unlocking an operation permission after passing the verification; during an operation, the simulation person is driven in real time according to instrument operation to generate physiological changes, a critical value is triggered by misoperation to automatically switch an emergency mode, operation response is paused, and resuscitation examination is activated. The acquisition unit marks millisecond-level timestamps for videos, tracks and physiological data by using a unified clock source, and the evaluation unit generates a multi-dimensional report according to the millisecond-level timestamps. Real-time coupling of physiological parameters and operation is achieved through software and hardware closed loops, the clinical process is restored, the problem of module isolation is solved, and cooperation and evaluation accuracy is improved.

The invention provides an orthopedic joint replacement operation simulation device structure capable of being adjusted at multiple angles, and relates to the technical field of medical apparatuses and instruments. Four groups of lifting seats are mounted at the upper end of the bottom frame through bolts, a partition plate is mounted above the four groups of lifting seats, a first sliding plate slides on the partition plate, and a rail plate is mounted on the first sliding plate through bolts; the operation simulation effect is improved through various adjusting structures, the device height can be accurately adjusted by rotating a second hand wheel on a lifting seat on the left rear side of a bottom frame, a first sliding plate and a second sliding plate slide through cooperation of a first lead screw and a first motor and cooperation of a second lead screw and a second motor respectively, and a first overturning plate can be overturned by operating a first hand wheel; a rotating rod in the mounting seat drives the turntable to rotate; and a third motor is matched with a connecting base on the mounting frame to achieve overturning of a second overturning plate, the multi-angle overturning and rotating functions are beneficial for an operator to comprehensively understand the joint structure, and the surgical operation proficiency and accuracy are improved.

The invention relates to a model rendering method, a surgery simulation method and a computer readable storage medium, and the method comprises the steps: responding to the interaction between a user and a data model, and determining a user attention region in the data model, the data model comprising voxel data and grid data associated with a preset region of interest; and rendering at least one part of the data model based on the voxel data and the grid data according to the user attention area to obtain a target rendering result. By adopting the method, the reality sense of operation simulation can be improved, and meanwhile, the computer performance requirement required by operation simulation is reduced.

1. The name of this design product: surgical simulation system host. 2. Purpose of this design product: To enable surgeons to practice the basic skills and techniques required for surgical procedures using laparoscopic surgical instrument control systems. 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: Stereoscopic drawing 1.

A robotic surgical simulation system for clinical workplace simulation includes a virtual reality headset configured to display the clinical workplace simulation, a processor, and a memory. The memory includes instructions stored thereon, which, when executed by the processor, cause the robotic surgical simulation system to: generate a virtual operating room within a three-dimensional coordinate space. The virtual operating room includes a virtual surgical console. The instructions when executed by the processor further cause the system to compute, based on the captured image, a position of the user within the three-dimensional coordinate space relative to the virtual surgical console; and determine whether a user is engaged with or disengaged from the virtual surgical console based on the computed position.

According to an embodiment of the inventive concept, a method for matching an actual surgical image and a 3D-based virtual surgical simulation environment, which is performed by an apparatus, includes setting POI information during surgery at each of surgery steps in a pre-stored surgical image obtained by performing surgery the same as the actual surgical image, matching the POI information with a virtual pneumoperitoneum model of a patient, which is used for the 3D-based virtual surgical simulation environment, the virtual pneumoperitoneum model being displayed on a UI, recognizing a real-time surgery step of the actual surgical image and determining a location of the POI information for the respective recognized surgery step, and obtaining and displaying image information, which is captured by moving a location of an endoscope inserted into the virtual pneumoperitoneum model to the same location as the determined location of the POI information, through the UI.

The invention belongs to the field of medical teaching training, and discloses a urinary surgery simulation training method and system based on tactile feedback, and the method comprises the steps: collecting operation behavior data and force change data, and obtaining a preliminary perception sequence; obtaining a classified organization state cluster according to the preliminary sensing sequence; extracting a hand feeling perception feature from the classified organization state cluster to obtain an update cluster; aiming at the update cluster and the operation behavior data, constructing a support vector machine model to train a tactile feedback response to obtain a dynamic matching function; processing the tactile feedback response data through a dynamic matching function to obtain an optimized feedback sequence; acquiring tissue state update from the optimized feedback sequence, and performing real-time calibration on hand feeling perception by adopting an information processing link to obtain a calibrated perception model; and according to the calibrated sensing model and the force change data, generating a corresponding operation processing track. According to the method, high authenticity and low delay of tactile feedback are realized, and an accurate dynamic matching result is provided for a complex operation scene.

The invention discloses a three-dimensional kidney tumor operation simulation system and method, and relates to the technical field of medical image processing, a data acquisition module is used for acquiring kidney function related data, and then a data processing and analysis module is used for carrying out kidney function comprehensive judgment and calculation to obtain a comprehensive kidney function judgment coefficient; whether an operation needs to be carried out or not is judged by setting kidney function evaluation uniformity parameters, if yes, kidney CT images are collected through the image collecting module, the kidney CT images are processed through the image processing and analyzing module to obtain kidney tumor related data, then comprehensive operation grade judgment calculation is carried out, and an operation grade judgment coefficient is obtained; the operation grade is judged by setting a threshold value, finally, a risk comprehensive evaluation coefficient is calculated through the risk evaluation module, the risk comprehensive evaluation coefficient is input into the model to divide the operation risk grade, and prompting is carried out through the control center, so that an operation grade scheme can be comprehensively planned according to related conditions of kidney tumors. And the operation risk can be analyzed and judged.

A computing device for generating a surgical procedure plan via surgical simulation may include a processor. The processor may be configured to obtain an indication of a surgical task. The surgical task may be associated with a surgical step of the surgical procedure plan. The processor may be configured to obtain a surgical choice and a corresponding predicted surgical outcome. The surgical choice and the corresponding predicted surgical outcome may be associated with the surgical task. The processor may be configured to generate a visualization of the surgical choice and the corresponding predicted surgical outcome in a simulated environment. The processor may be configured to obtain an indication of the surgical choice being selected. The processor may be configured to store the surgical choice in the surgical procedure plan.

In certain aspects of the present disclosure, a computer-implemented method includes receiving a 3D imaging of a heart valve in a pre-operative state. The method includes generating a segmented heart valve by segmenting the heart valve of the 3D imaging. The method includes simulating a surgical procedure on the parameterized heart valve. The method includes determining at least one post-operative outcome based on simulating the surgical procedure on the parameterized heart valve. Systems and machine-readable media are also provided.

The utility model relates to the technical field of gynecologic tumor surgery, and discloses a gynecologic tumor surgery model which comprises a uterus model made of hard materials, a first opening and a second opening are arranged on two sides of the uterus model, ovarian models made of elastic materials are arranged on two sides of the uterus model, one end of each ovarian model is inserted into the corresponding second opening, and the other end of each ovarian model is inserted into the corresponding second opening. The two sides of the uterus model are provided with fallopian tube models made of elastic materials, one end of each fallopian tube model is inserted into the corresponding first opening, according to the tumor operation model, multiple models and simulation pieces are installed on the uterus model through multiple connecting structures convenient to disassemble and assemble, all the models and the simulation pieces can be rapidly disassembled and replaced, and the operation efficiency is improved. The operation model can be repeatedly utilized, the whole model simulates the size of the uterus, the material touch feeling is close to the real touch feeling of each organ as much as possible, the model types are complete, various operation simulations can be carried out, the feeling of a doctor during operation simulation is optimized, and the operation level of the doctor can be improved.

The thyroid surgery simulation teaching aid comprises a wearing part and a display part, the bottom end of the wearing part is connected with the display part, two ends of the wearing part are respectively provided with a first connecting buckle and a second connecting buckle, the first connecting buckle and the second connecting buckle are arranged in a matching manner, and one surface of the wearing part is provided with a thyroid model; the display part comprises a first display page and a second display page, one side of the first display page is connected with one side of the second display page, and the other side of the first display page is detachably connected with the other side of the second display page; the first display page is provided with a thyroid front side structure chart and a thyroid back side structure chart; and a thyroid resection structure chart is arranged on the second display page. The thyroid surgery simulation teaching aid can be directly worn on the neck of a model, the structure, the position and the size of the thyroid are visualized, teaching and science popularization are more immersive, basic teaching and health propaganda and education of thyroid surgery are facilitated, and patients and students are helped to understand the thyroid structure.

The invention relates to the technical field of medical operation simulation, and provides a neurosurgical operation bleeding emergency treatment simulation method, which comprises the following steps: S1, classifying neurosurgical operation clinical bleeding factors according to properties; s2, acquiring and synchronously simulating real-time state data of the patient; s3, establishing a correlation mechanism between the classified clinical hemorrhage factors and an operation simulation system; s4, based on the association mechanism and the real-time state data of the patient, running bleeding triggering logic, and triggering bleeding simulation; s5, responding to a hemostasis operation instruction of an operator, and simulating an execution process of a clinical hemostasis method; and S6, determining a hemostasis result according to the execution condition of the hemostasis operation and the real-time state change of the patient. Through comprehensive coverage of clinical bleeding factors, linkage of real-time states of patients, construction of multi-dimensional accurate bleeding trigger logic and refinement of hemostasis operation simulation and feedback, a complex bleeding scene of a neurosurgery operation can be truly reproduced, the bleeding emergency treatment capability of doctors is effectively improved, and the practice risk of real patients is avoided.

The utility model discloses a threading module for operation training and an operation simulation device. The threading module for surgical training comprises a base, and at least one stand column is arranged on the base; the threading hole is formed in the stand column and penetrates through the two ends of the stand column; the photoelectric sensor group is arranged along the circumferential direction of the inner wall of the threading hole and is used for detecting whether the wire body passes through the threading hole; the signal processing module is connected with the photoelectric sensor group; the feedback device is connected with the signal processing module; and when the photoelectric sensor group detects that the wire body completely passes through the threading hole, the signal processing module triggers the feedback device to output a threading success signal. In this way, the function of automatically detecting whether threading succeeds or not can be achieved, the training result is fed back in real time, and the training process is more accurate and intelligent.

This invention relates to a laparoscopic surgery simulation trainer, comprising an abdominal cavity simulation device, a laparoscopic simulation device, and a display screen. The abdominal cavity simulation device includes a housing and a monitoring rod. The housing is open at the front, and a partition separates the housing into a front simulation cavity and a rear power cavity. An abdominal cavity simulation layer is disposed within the simulation cavity, and the abdominal cavity simulation layer is tubular, made of flexible rubber. A camera is mounted at one end of the monitoring rod and located in the simulation cavity, and the other end is located in the power cavity. A light source is provided at the operating end of the laparoscopic simulation device. A circular tubular mounting sleeve is arrayed within the interlayer between the abdominal cavity simulation layer and the housing. The abdominal cavity simulation layer has multiple through holes evenly distributed around the axis of the mounting sleeve, and multiple photosensitive sensors are evenly distributed on the inner wall of the mounting sleeve. The purpose of this invention is to solve or at least alleviate the problem of difficulty in viewing the operation process and results within the abdominal cavity in current transvaginal laparoscopic surgery simulation devices, and to provide a laparoscopic surgery simulation trainer.

A surgical training platform configured to interface a haptic controller with a surgical simulation tool. The platform includes a control system, at least one surgical simulation tool having at least one free end extending along a first axis, at least one haptic controller including a connection system configured to mechanically and electrically connect, reversibly, the at least one surgical simulation tool. The control system includes a system for recognising each surgical simulation tool configured to obtain identification information specific to the surgical simulation tool connected to the haptic controller, and to communicate the identification information to the control system in such a way that the control system recognises each surgical simulation tool connected to the haptic controller.

The invention relates to the technical field of injury simulation, in particular to an injury simulation device and system.The injury simulation device comprises a simulation box body, a first door plate, an animal model and a simulation assembly, the simulation assembly comprises an elastic piece protection cover, an elastic piece launching unit, wrapping sealing cloth and a wrapping sealing unit, and elastic pieces can be prevented from splashing all around through the elastic piece protection cover; subsequent collection and treatment are facilitated; the wrapping and sealing unit is started to drive the wrapping and sealing cloth to be wound on the head of the animal model, poison gas is limited in the circulating respiratory system, then the animal model is moved to the injury simulation bin, and finally the animal model is taken out by opening the first door plate and can be used for follow-up operation simulation operation; therefore, by limiting the elastic pieces, the situation that surrounding parts are damaged due to splashing around is avoided, and collection can be facilitated; meanwhile, after poison gas simulation is finished, the head of the animal model is wrapped and sealed, poison gas leakage is avoided, the safety of workers is greatly guaranteed, and the device is more convenient for the workers to use.

The utility model discloses a ferrule module for operation training and an operation simulation device. The ferrule module comprises a base; the stand column is arranged on the base; the ferrule element is movably arranged on the stand column in a sleeving manner; the sensing assembly is arranged on the ferrule element and / or the stand column; the signal processing module is electrically connected with the sensing assembly; the prompting device is connected with the signal processing module; the sensing assembly is used for detecting the relative position relation between the ferrule element and the stand column, and the signal processing module judges whether the ferrule action reaches the standard or not according to a sensing signal and outputs feedback through the prompting device. In this way, the sensing assembly is arranged on the ferrule element and / or the stand column, whether the ferrule action reaches the standard or not is automatically detected, the training result is fed back in real time, and the training process is more accurate and intelligent.

A system for mixed reality surgical simulation is provided. The system includes a simulator, an optical tracking system, an input device, a visualization screen, and a simulation workstation, wherein the simulation workstation renders an augmented view on the visualization screen.