78 results about "Surgical training" patented technology

The invention relates to the technical field of visual identification, and discloses an operation stage identification method based on a dynamic data balance strategy, and the method comprises the following steps: S1, collecting operation original data, and carrying out the annotation of the collected original data; s2, preprocessing the annotated original data by utilizing a dynamic data balance strategy so as to form a data set; s3, constructing an Xception-double flow LSTM (Long Short Term Memory) recognition model; and S4, training and optimizing the Xception-double-flow LSTM recognition model by using the data set. According to the method, the problem of bias learning is effectively relieved, the influence of data volume difference on a model learning process is effectively reduced, and deviation is reduced, so that higher classification performance is shown in an operation stage identification task; the method effectively improves the overall recognition precision of the operation stage, can provide more structured support for operation training, quality control and clinical decision making, and further lays a foundation for research and development of an intelligent operation auxiliary system.

A surgical training platform including a display unit for displaying the virtual environment, a calibration module connected to the display unit, a training module with a haptic controller, a control system configured to identify the different modules, analyse the data related to the movement(s) of each tool connected to the haptic controller, generate the virtual environment, interface each virtual surgical element with a corresponding real element. All of modules are configured to be reversibly attached to each other in a known configuration, each haptic controller includes a connection system configured to reversibly mechanically connect a surgical training tool, each haptic controller being further configured to measure each movement in space of the surgical training tool once the latter is connected to the haptic controller. The control system further includes a system for recognizing the tool.

The utility model relates to the field of medical instruments, and discloses an operation training mold and an operation training system. The surgical training mold comprises a cavity simulation assembly, the cavity simulation assembly is used for providing an operation space for executing simulated surgical operation, the cavity simulation assembly comprises multiple inlets, the multiple inlets comprise multiple flexible skin simulation parts and multiple openings formed in the multiple skin simulation parts, and the multiple inlets face multiple directions. The system can be used for simulating entrance into the body of a patient from multiple entrances in different directions, so that various simulation operations can be performed.

The invention relates to a gynecological pelvic and abdominal lymphatic cleaning prediction model training method and a lymph node model.The training method comprises the steps that preoperative image data and intraoperative instrument operation parameters of historical patients are subjected to modeling processing, and a dynamic mechanics-fluid coupling lymph node model based on bionic materials is constructed; mechanical deformation and fluid flow of a lymphatic system in various clinical scenes are simulated; performing data acquisition processing on the used lymph node model, and quantifying the dynamic influence of the surgical operation on the lymphatic system; the relevance between historical operation and injury risk is deeply learned, and the lymphatic vessel rupture probability is output; real-time feedback control processing is carried out based on the lymphatic vessel rupture probability, a training correction instruction and a risk thermodynamic diagram are generated, and medical workers are guided to optimize surgical skills. Through fusion analysis of the high-fidelity bionic model and multi-modal data, dynamic simulation of the mechanical-fluid coupling effect in the operation and real-time quantification of the operation risk are achieved, and the accuracy and clinical transformation value of operation training are improved.

The invention discloses an adjustable 3D printing temporal bone surgery training model and a training method thereof.The 3D printing technology is adopted, printing materials similar to all structures and textures of a human body are selected to manufacture a simulated temporal bone model, a clinical temporal bone surgery conventional approach is integrated in the model, and a clinical operation scene is simulated; preoperative training and planning of ear neurosurgery are assisted; meanwhile, digital technologies such as CT scanning and 3D scanning are utilized, and personalized customization of the simulated temporal bone model for special cases is achieved through the 3D printing technology.

An arrangement applied to a simulator for surgical training in ophthalmology that is anatomically similar to the human eye, and has the purpose of training and qualification in ophthalmological surgical processes. An artificial cataract for use in simulators for surgical training in ophthalmology.

Disclosed are a method for creating a surgical training model, a surgical training model apparatus, a bone model, an article that emulates tissue of an animal musculoskeletal system, an article that emulates animal fat tissue, and an article that emulates animal skin tissue. One version of the method comprises placing a spinal vertebrae model in a cavity model that emulates an animal body cavity; forming a first layer on top of the vertebrae model, wherein the first layer emulates an animal muscle tissue; placing a second layer over the first layer, wherein the second layer emulates an animal fat tissue; and placing a third layer over the second layer, wherein the third layer emulates an animal skin tissue. The spinal vertebrae model can be 3D printed from a thermoplastic polymer and infiltrated with a foam into an interior space of the 3D printed spinal vertebrae model.

A force feedback device and method for assisting surgical robot clamping operations, the present invention belongs to the field of VR force feedback and mechanical technology. The device includes a variable stiffness mechanism, a blocking structure, a ratchet clutch structure, a gripping mechanism, a measuring unit, a control processing unit and a power supply module. The effective length of the lever arm between the elastic element and the feedback force output position is changed by the variable stiffness mechanism, thereby achieving adjustment of the stiffness of the force feedback device. The blocking mechanism achieves infinite stiffness rendering by limiting the operator's grip. The mode switching between zero stiffness and stiffness rendering can be achieved by engaging and disengaging the claw of the ratchet clutch structure with the ratchet. Therefore, the force feedback device can achieve real physical stiffness feedback ranging from zero impedance to theoretically infinite. In surgical training or other tasks, it provides the user with the force information in the interaction between the user's hand and the virtual object as if it were real, and the properties of the elastic element make the present invention safer.

Provided in the present disclosure are materials, devices, systems, and methods for performing cryo-surgery in a mammalian subject. More particularly, presented are a slurry, devices, systems, and methods for subcutaneously injecting the slurry into a patient in need of bodyfat reduction intervention. The slurry, devices, systems, and methods permit highly efficacious subcutaneous ice phase-change lipolysis while not requiring that the patient be placed under general anesthesia, nor requiring significant new surgical training among practitioners.

An endoscopic surgery training device is disclosed. A surgical training device according to one embodiment of the present invention may comprise: a housing including a training space formed inside the housing for performing surgical training, and a support plate forming the bottom of the training space; the support is used for fixing the training object component; and a drive unit which includes a holder support member coupled to the holder and which changes the position of the holder coupled to the holder support member in the training space by at least one degree of freedom movement. A position changing unit configured to change the training target member fixed to the support to a specific simulation position of an organ to be trained in the training space; a channel forming part which is formed in the housing so as to form an entry path for an endoscope device that enters the training space from the outside; and a control unit for controlling the drive unit.

The invention discloses a blood vessel model collision force detection method for interventional operation training, which comprises the following steps: arranging a blood vessel model in a closed shell, and connecting the blood vessel model with an external flow pump to promote fluid to circularly flow in the blood vessel model; the closed shell outside the blood vessel model is filled with medium liquid, and the blood vessel model is completely immersed in the liquid medium; a plurality of pressure sensors connected with an external data processing unit are orderly distributed on the inner wall surface of the closed shell; during training, the guide wire extends into the blood vessel model for interventional operation, when the guide wire collides with the wall surface of the blood vessel model, the wall surface of the blood vessel model triggers the medium liquid to trigger the medium liquid in the closed shell to generate pressure field change, and the corresponding pressure sensor monitors pressure field data and feeds back the pressure field data to the data processing unit; the data processing unit obtains the pressure value and calculates and outputs the corresponding collision force, objective, quantitative and comprehensive data feedback of the collision force in interventional operation training is achieved, and the operation training effect is greatly improved and guaranteed.

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 kyphoplasty system includes various instruments which can be selectively used in a surgical theater (e.g., during a surgical operation on a patient) or a surgical training environment. The kyphoplasty system can include one or more of a kyphoplasty apparatus, a prone table mat, a connector system, a bone introducer needle, and a biopsy device. The kyphoplasty system may also include a training system for use in the training environment.

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 present application relates to the field of robot simulation and control technology, in particular to a bronchoscope robot simulation control platform and method based on VTK, which is suitable for structure modeling, motion control, virtual simulation and the like of continuum robots (such as bronchoscope robots), and can be widely applied to the fields of medical robot simulation, surgical training and robot control algorithm verification and the like. Firstly, the platform uses voxel modeling technology to model the bronchoscope robot, and only needs to set the robot structure parameters and motion degrees of freedom, so as to simulate the form and behavior of different continuum robots. The center line of the bronchial tree is quickly extracted using the vmtk library, and a motion control algorithm based on the center line of the bronchial tree is designed, so that the simulation platform can effectively simulate the interaction between the robot and the bronchial tree. At the same time, the built-in collision detection interface of vtk is used to calculate the collision between the robot and the bronchial tree in real time, and real-time and accurate feedback is carried out in the simulation process.

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.

The utility model relates to the field of medical instruments, and discloses a liquid injection device for operation training and an operation training system. The liquid injection device comprises a liquid storage device, a liquid conveying pipe and a gas conveying assembly, wherein the liquid storage device is used for storing liquid; an inlet of the infusion tube is communicated with the reservoir, and an outlet is used for outputting liquid; the gas transmission assembly is arranged above the liquid storage device and comprises a gas inlet channel and a pressure pump, a gas outlet of the gas inlet channel is communicated with the liquid storage device so as to transmit gas to the liquid storage device, and the pressure pump is arranged on the gas inlet channel and used for pumping the gas in the gas inlet channel into the liquid storage device. Liquid can be injected into an operation object simulating surgical operation so as to simulate a real surgical operation effect.

The utility model relates to the field of medical teaching models, and discloses a model for surgical training of doctors, which comprises a human body module, the outer side of the bottom end of the human body module is fixedly connected with a mounting block, the inner wall of the mounting block is provided with a mounting assembly, the bottom end of the mounting assembly is provided with four groups of elastic bands, and the elastic bands and the mounting block are arranged in parallel. A stabilizing assembly is arranged at the bottom ends of the elastic bands and comprises a first fixing band, the top end of the first fixing band is fixedly connected to the bottom ends of the two elastic bands, a limiting column is fixedly connected to the bottom end of the first fixing band, and fixing grooves are formed in the front end and the rear end of the lower side of the limiting column. According to the utility model, through the cooperative use of the stabilizing assembly and the mounting assembly, when the human body module is placed, the human body module can be tightly attached to the surface of the human body quickly and stably through the cooperation of the stabilizing assembly and the elastic band, so that the stable fixing effect is kept, and the training effect is improved.

Disclosed herein are systems, methods, and software for providing a virtual environment with enhanced visual textures and haptic detail. In some embodiments, a texture atlas and UV mapping is used to render virtual objects having multiple textures that can be manipulated in real time. In some cases, UV coordinates are used to provide enhanced haptic detail.

The disclosure relates to a simulated tissue useful as a surgical training aid, the simulated tissue including at least the following: (a) a skin layer, (b) a fat layer, (c) a muscle layer, (d) a first mesh, (e) an interstitial layer, (f) a second mesh, (g) a structural layer incorporating one or more anatomical components, and (h) a base layer. Methods for constructing the simulated tissue are also disclosed. The simulated tissues described herein can be used as a soft tissue surgical task trainer for numerous surgical procedures.

A system for training or performing laparoscopic surgery includes a device for determining forces exerted between parts of one or more laparoscopic tools and an indicator means for indicating determined forces exerted between interacting parts to a user. This system is designed to enhance the surgical training process by providing real-time feedback on the forces applied during surgery, thereby aiding in the development of the necessary skills for precise and safe surgical operations. The system may also include a processor for instructing a user to perform a series of specific exercises, which can vary in difficulty, to monitor and estimate individual learning curves, and to teach estimation of the forces exerted.

To provide a surgical simulator for surgical training.SOLUTION: The simulator includes a frame defining an enclosure, and a simulated tissue model located inside the enclosure. The simulated tissue model is adapted for practicing hysterectomies, and includes at least a simulated uterus and a simulated vagina. The simulated tissue model is suspending inside the enclosure with two planar sheets of silicone such that the tissue model is located between the two sheets each of which forms a fold and is connected to the frame. The frame may be shaped like a cylinder and located inside a cavity of a larger laparoscopic trainer (training instrument) having a penetrable simulated abdominal wall. The tissue model is interchangeable and accessible laterally through an aperture provided in a support leg of the trainer.SELECTED DRAWING: Figure 2

The present application provides a surgical training model and a printing method and printing system thereof, wherein the printing method includes obtaining a three-dimensional digital model of the surgical training model to be printed, the surgical training model including a planned resection site and a planned retention site; adding surgical information to the three-dimensional digital model, the surgical information including positional information of the planned resection site and / or the planned retention site; setting printing properties of the three-dimensional digital model according to the surgical information, wherein the planned resection site includes an external structure and an internal structure located inside the external structure, wherein the material strength of the internal structure is less than that of the external structure; generating printing data based on the three-dimensional digital model after setting the printing properties; and printing based on preset printing materials and printing data to obtain the surgical training model. The surgical training model provided in the embodiments of the present application can provide an objective reference, thereby facilitating better planning of surgical pathways, improving surgical success rates, and reducing surgical risks.

The present invention discloses a manipulative force feedback device and method for minimally invasive surgery simulation training instruments in the technical field of medical auxiliary equipment. Among them, the experimental bench has a support shaft rod, the first rotating platform is symmetrically arranged on the support shaft rod and can rotate around the support shaft rod, the second rotating platform is installed on the first rotating platform and can horizontally rotate around the first rotating platform, the minimally invasive surgery instrument penetrates through the second rotating platform and can be telescopic relative to the second rotating platform, and the VR glasses are for the operator to wear. The manipulative force feedback device and method for minimally invasive surgery simulation training instruments provided by the present invention can more realistically simulate the tactile feedback during the surgical process through this force feedback mechanism, thereby improving the effect and safety of surgical training.

Disclosed are various embodiments for training physicians to perform surgeries or procedures. To do this, a display can render a three-dimensional model of human anatomy and a virtual surgical instrument in a virtual space. A computing device can receive movement input from an input device. Based on the movement input from the input device, the computing device can cause the virtual surgical instrument to move on the display. The computing device can detect a collision between the virtual surgical instrument and the three-dimensional model of human anatomy in the virtual space and, in response, the computing device can direct the input device to provide haptic feedback. Various other features are disclosed that further aid in the training of a surgeon to perform surgeries or procedures.

To provide a surgical training device that includes a model for training in passing a needle provided with a suture.SOLUTION: The model includes a base with a plurality of openings configured to receive a plurality of suture tabs. The suture tabs are made of elastomeric material. Some suture tabs include pre-formed tab apertures for passing a suture. Some suture tabs include a penetrable area through which a suture needle may penetrate for passing a suture. The suture tabs are movable with respect to the base to orient the suture tabs at different angles with respect to the base. The base itself may include portions that are angled with respect to each other. The suture tabs are movable with respect to the base to pull, expose or open the tab apertures and surfaces. Some of the tab apertures are slits that open upon being pulled relative to the base so that the slits require the user to practice holding the tab while passing the needle through the tab.SELECTED DRAWING: Figure 1

Training aids for surgeons to simulate the repair or replacement of a knee joint include unitary pieces comprised of a material strong enough to withstand being put under tension without snapping, yet soft enough to be cut, filed, and / or drilled. An orthopaedic training device (100) is provided comprising a facsimile of a distal portion of a femur (200) and a facsimile of a proximal portion of tibia (200), wherein respective diaphysis portions (220, 320) and metaphysis portions (230, 330) of each facsimile are comprised of a first material having a first hardness, the femur epiphysis portion (240) is comprised of a second material having a second hardness, and the tibia epiphysis portion (340) is comprised of a third material having a third hardness, the first hardness being greater than the second hardness and the third hardness. In this way, the diaphysis portions and metaphysis portions may withstand tension, and the epiphysis portions may remain soft enough to be used in surgical procedures.

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.

A surgical simulator for surgical training is provided. The simulator includes a frame defining an enclosure and a simulated tissue model located inside the frame. The simulated tissue model is adapted for practicing a number of surgical procedures including but not limited to transanal excisions and transvaginal hysterectomies. Portions of the frame comprises a material adhesively compatible with the material of portions of the simulated tissue model to secure and suspend the simulated tissue model within the frame. The simulated tissue model may also include simulated vasculature configured to loop through apertures in the frame to secure and suspend the simulated tissue model within the frame.

A surgical training model can have features for training surgical suturing techniques. The training model can be formed as a sheet of simulated tissue having at least one cut with markings arranged on either side of the cut. The markings can be formed of a first layer of resilient simulated tissue material having a color that contrasts with a color of the remainder of the sheet of simulated tissue material. The sheet of simulated tissue material can have several cuts having different configurations and orientations to facilitate suturing training for a variety of tissue orientations. The sheet of simulated tissue material can further include holes positioned to be mounted to a base of a surgical training system. The sheet of simulated tissue material can be manufactured by molding a marking layer and casting a tissue layer over the marking layer.