55 results about "Surgical simulation" patented technology

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 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 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 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.

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.

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 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.

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 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.

A surgical simulation apparatus comprising a central piece (1) having a housing (11), and a removable partition (2) detachably disposed within the housing (11). The removable partition (2) preferably has a central wall (21) and two elastic layers (22) disposed on either side of the central wall (21). The apparatus provides for simulating surgery and surgical medical techniques with the simplest possible number of parts and manufacturing method.

The invention relates to the technical field of neurosurgery simulation training equipment, in particular to a minimally invasive intracranial hematoma removing surgery simulation training device which comprises a round ruler, a hematoma removing device, a mounting frame and a self-locking rotating part, a fitting plate is movably arranged on the inner side of a mounting plate, and a main air bag making contact with the fitting plate is arranged on the inner side of the mounting plate; according to the minimally invasive intracranial hematoma removal operation simulation training device, the main air bag and the side air bags are arranged on the inner side of the mounting plate and matched with the pneumatic control mechanism, the main air bag and the side air bags are arranged on the outer surface of the inner side of the mounting plate, and the side air bags are arranged on the outer surface of the inner side of the mounting plate and movably arranged on the side edges of the attaching plate. The self-adaptive flexible fitting of the simulated skull model and the stereotactic positioning assembly can be realized, the main air bag and the side air bag are cooperatively expanded, the size deviation, the assembly clearance and the operation stress of the model can be compensated, the fitting plate is tightly attached to the surface of the model, and the training deviation caused by poor fitting is avoided.

A method for creating surgical simulation information by a computer includes creating a virtual body model corresponding to a body state of a patient for surgery, simulating a specific surgical process on the virtual body model to obtain virtual surgical data, dividing the virtual surgical data into minimum surgical operation units, each unit representing one specific operation, and creating cue sheet data composed of the minimum surgical operation units, wherein the cue sheet data represents the specific surgical process.

Systems and methods for selectively perfusing cadaverous organ systems for surgical simulation are provided. A first fluid reservoir contains a first perfusion fluid and fluidically connects to conduit, which fluidically connects to a first body part associated with the organ system. A pump fluidically connects to the first reservoir and conduit and directs the first perfusion fluid into the first body part. A second fluid reservoir contains a second perfusion fluid and fluidically connects to conduit, which fluidically connects to a second body part associated with the organ system. In aspects, the second fluid reservoir is positioned at higher elevation than the organ system to create passive feed pressure of the second perfusion fluid to the second body part. The systems may include drainage mechanisms from the organ system. Aspects include selective perfusion of the liver, thorax, head and neck, and / or extremities of a cadaver.

The application discloses a breast endoscope simulation training device, and relates to the technical field of surgical simulation training devices, which comprises a front chest shell and a back lining, the back lining is installed in the front chest shell, so that a thoracic cavity is formed between the front chest shell and the back lining; the front chest shell is provided with a surgical channel communicated with the thoracic cavity; a magic tape is detachably installed on the inner wall of the thoracic cavity, the magic tape comprises a rough surface layer and a hook surface layer, the hook surface layer is arranged on the cavity wall of the thoracic cavity close to the front chest shell, and the rough surface layer is bonded to the hook surface layer. The application can simulate the operation environment and the operation feeling, has low cost, and can be repeatedly used for training.

A method for providing a patient-specific 3D surgical simulation method, according to the present invention, may comprise the steps of: acquiring a scan image including an image of a target object outputted by scanning a patient's body; identifying images of the target object and one or more organs and blood vessels adjacent to the target object in the scan image; generating a first 3D model of a surgical area on the basis of first 3D modeling data of the identified image and second 3D modeling data related to the one or more organs and blood vessels; setting third 3D modeling data and environmental variables for surgical equipment to be applied to the first 3D model; generating a second 3D model for the surgical equipment on the basis of the third 3D modeling data and the environmental variables; and providing a patient-specific surgical simulation on the basis of the first 3D model and the second 3D model.

Embodiments of the present invention provide GYN pathology simulation models for surgical training. These models are energy-compatible models emulating the tissue-based diseases of the female reproductive system to allow the surgical trainees and surgeons to practice advanced OB / GYN surgical skills. One simulated GYN model includes an electrically conductive elongated tube encapsulating a mass of non-conductive material. The elongated tube having a sidewall with an inner surface and outer surface extending between a proximal end and distal end. The sidewall is configured to have a cavity with a specific volume to yield an external protuberance when filled with the mass of non-conductive material. Another simulated GYN model includes a fluid-filled cystic body encapsulated within an electrically conductive bulbous hollow structure. The fluid-filled cystic body is selectively adhered to the bulbous hollow structure in at least one or more regions, thereby creating a plane for a combination of blunt and sharp dissection.

This invention relates to the field of simulation training, specifically a simulator and a simulator-based training method for adrenal vein blood sampling. The method includes adjusting the simulator and simulated surgical instruments to an initial preparation state; training personnel performing simulated surgical procedures in the simulator in this initial preparation state; recording the simulated surgical procedures to obtain a training personnel simulation process record; acquiring an expert simulation process record; and analyzing the training performance of the training personnel corresponding to the expert simulation process record based on the expert simulation process record. This invention can improve the efficiency of training for adrenal vein blood sampling using simulated DSA-guided vascular imaging technology.

Systems, methods, and instrumentalities for managing surgical consequences in a simulated surgical task may be provided. A simulation environment to simulate a surgical task defined by a set of environmental parameters may be received. Surgical interaction data may be received. In examples, the surgical interaction data may comprise an indication of a triggering event and / or an indication of consequence environmental parameters. The surgical interaction data may be associated with a surgical task. The consequence environmental parameters may be associated with the triggering event. User interaction data may be received. The user interaction data may be based on a user action within the simulation environment and may be associated with a surgical task. On a condition that the received user interaction data matches the triggering event, the simulation environment may be modified, for example, based on the consequence environmental parameters.

Disclosed are a method and apparatus for converting data of a medical image for a virtual procedure simulation, according to an embodiment. The data conversion method may comprise the steps of: receiving medical images obtained by capturing the body parts of a procedure subject; on the basis of the medical images, generating a virtual three-dimensional body model including virtual body parts respectively corresponding to the body parts; generating position coordinate data corresponding to the position of each pixel included in each of the medical images; generating a position dataset related to the positions of the virtual body parts by mapping the position coordinate data to the virtual three-dimensional body model; and determining whether to generate a predefined procedure effect event on the basis of a position of a virtual procedure tool moving according to a user input and the position dataset related to the positions of the virtual body parts.

A surgical training console (10) comprises a base (12), a constraint module (16) having an opening (28) for allowing at least a portion of at least one surgical simulation tool (100) to pass through for user operation, and a haptic arm (14) mounted on the base (12) having a free end (26) configured to connect the surgical simulation tool. The haptic arm is movable and allows defining a working space (T) that includes all possible positions of the free end. The base and constraint module (16) are configured to demarcate an open space that defines an operating space (M), the operating space (M) being less than or equal to the working space (T), and the constraint module allows restricting the possible positions of the free end of the haptic arm to positions located within this operating space.

The invention relates to the technical field of fracture surgery simulation planning, and discloses a condylar fracture surgery simulation planning and training system based on patient personalized data. Comprising a fracture data rapid scanning module, a personalized model 3D printing module, a training model part replacement module, a multi-scheme simulation evaluation module, a preoperative repeated simulation training module and an operation execution admission judgment module. Replacing relevant parameters of the model with parameters of corresponding parts of the patent training model, reconstructing the model, further generating multiple operation schemes, quantitatively evaluating and screening an optimal scheme, carrying out multiple times of pre-operation simulation training based on the scheme, recording training data in real time, carrying out quantitative analysis, and establishing an operation execution admission judgment mechanism; the operation is allowed to be executed only when the training result meets the preset standard. The precision and safety of the condylar fracture surgery are improved, and scientific support is provided for clinical surgery.

The invention discloses a VR / AR technology-based virtual operation simulation training system and an interaction method thereof, and relates to the technical field of virtual operation simulation training. The multi-user cross-region immersive collaborative operation training system is constructed, role division and collaboration are supported, and the problem of team training deficiency is solved. Multi-dimensional quantitative evaluation is realized based on the expert knowledge graph, operation compliance, safety and technical key points are covered, and personalized improvement suggestions are provided. And by integrating haptic feedback, gesture tracking and eye movement analysis technologies, clinical-level precision interaction is realized. And VR / AR dual modes are supported, and AR adopts an SLAM technology to realize submillimeter registration. A finite element and mass point-spring hybrid algorithm is adopted to simulate a soft tissue physical process in real time. The case complexity is adaptively adjusted, closed-loop training optimization is formed, and training data recording and multi-dimensional report generation are supported.

The present invention discloses an intelligent spinal bionic model and relates to the technology of surgical simulation instruments. It includes a model base and a model case, a bionic spinal column body installed on the model base and having a development effect, and a simulated muscle layer and a simulated skin layer enclosing the bionic spinal column body. A bionic nerve body having a contact alarm mechanism is installed in the cavity inside the bionic spinal column body. [Effects] This invention creates a spinal bionic model for surgical simulation through precise design and material selection, faithfully reproducing several important processes in actual spinal surgery (X-ray development, simulation of internal human structure, simulation of the surgical water environment, nerve contact alarm, etc.). It provides physicians with a highly simulated surgical training platform, contributing to the rapid improvement of spinal endoscopic surgical skills and clinical experience.