52 results about "Surgical training" patented technology

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 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.

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 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 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.

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 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 method for utilizing robotic surgical data for providing surgical training is disclosed. The method includes collecting, by a computing device, data related to a surgical procedure from one or more components of a computer-assisted surgical system. At least one of the one or more components is a robotically controlled surgical device. A graphical depiction representative of the surgical procedure is generated based on the collected data from the one or more components of the computer-assisted surgical system and one or more images providing a visual depiction of a patient's anatomy. A graphical user interface is output to a display device. The graphical user interface includes the graphical depiction of the surgical procedure and the collected data from the one or more components of the computer-assisted surgical system, to provide surgical training.

The invention belongs to the technical field of live broadcast systems, and discloses a panoramic medical view system and an operation medical view method, and the system comprises a picture collection device which comprises a multi-path camera and is used for collecting operation related video pictures at multiple angles; the system host is connected with the cameras and is provided with a wireless transmitter I; the equipment platform car is used for bearing the picture acquisition equipment and the system host; and the remote display end is provided with a wireless transmitter II. According to the scheme, experience and knowledge are shared through remote live broadcast, on-site teaching is more efficient and vivid, and more learning opportunities and practical experience can be provided for learners; surgical skill practice needs field and experience guidance, and remote live broadcast technology makes remote surgical training possible. A doctor with rich experience can teach field operation skills to a green hand through remote live broadcast, operating room operation of a remote assistant is achieved, and operation of the doctor is assisted; and limitation of cooperation inside and outside the hospital is reduced.

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.

A surgical training device for use with a thoracic tissue model includes a base having a thoracic tissue model receiving area. A first rib mounting member is slidably coupled to the base adjacent a first side of the thoracic tissue model receiving area and a second rib mounting member is slidably coupled to the base adjacent a second side of the thoracic tissue model receiving area opposite the first side. A plurality of simulated ribs each have a first end coupled to the first rib mounting member and a second end coupled to the second rib mounting member, and are repositionable between right and left thoracic configurations.

1. A surgical training device comprising a housing and a cassette, wherein the housing comprises a synthetic layer for simulating skin, the cassette for holding one or more organ models in anatomical relationship to one another, the cassette being substantially surrounded by the housing and thereby engageable with the housing to define a body cavity, and the cassette comprising synthetic bony anatomical features as landmarks.

The present invention provides a surgical training device for training laparoscopic first entry surgical techniques. The training device includes a simulated abdominal wall that is penetrable with an optical trocar. A receptacle containing a tissue simulation is located inside the receptacle. The tissue simulation is observable via scope placed inside the optical trocar. Upon penetration of the one or more of the simulated abdominal wall and receptacle, the tissue simulation appears to translate distally relative to the simulated abdominal wall. The distal translation is effected by a variety of ways including the release of negative pressure inside the receptacle upon penetration and the expansion of an elastic wall of the receptacle with the introduction of fluid under pressure into the receptacle.

A method for utilizing robotic surgical data for providing surgical training is disclosed. The method includes collecting, by a computing device, data related to a surgical procedure from one or more components of a computer-assisted surgical system. At least one of the one or more components is a robotically controlled surgical device. A graphical depiction representative of the surgical procedure is generated based on the collected data from the one or more components of the computer-assisted surgical system and one or more images providing a visual depiction of a patient's anatomy. A graphical user interface is output to a display device. The graphical user interface includes the graphical depiction of the surgical procedure and the collected data from the one or more components of the computer-assisted surgical system, to provide surgical training.

The application provides a method for establishing a surgical virtual training system based on robot-assisted intracranial fine operation, comprising the following steps: establishing a surgical virtual training system through a Qt module, an OpenGL module and an external library Chai3d; establishing a brain model and a surgical instrument model in the surgical virtual training system, and integrating a force feedback haptic device Sigma.7 in the surgical virtual training system; establishing a brain tissue model based on the brain model and in combination with an LHDM model; training the brain tissue model based on a progressive layered constraint-driven cutting method; obtaining performance data by performing interactive operation on the brain tissue model through the force feedback haptic device Sigma.7, and optimizing the performance of the surgical virtual training system based on the performance data. The application can ensure high authenticity and clinical relevance of the surgical virtual training system in the surgical training process.

The utility model provides an operation training device, relates to the technical field of medicine, and solves the technical problem that in the prior art, the training effect is not ideal enough. The operation training device comprises a training device body and a supporting seat, the training device body is arranged on the supporting seat, an angle adjusting structure is arranged between the training device body and the supporting seat, and the angle adjusting structure is used for adjusting the inclination angle of the training device body on the supporting seat. The utility model is used for providing the operation training device capable of improving the training effect.

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.

The present application discloses a duodenal papilla prosthesis for surgical training, which comprises a base, a muscle part combined with the base, the muscle part being convex along a height direction on the base, and a diverticulum formed by concave along the height direction from the base to the muscle part, a papilla part combined with the muscle part, the papilla part being convex along the height direction on the muscle part, the papilla part being formed with a papilla convex point which is the highest along the height direction, and a diverticulum combined with the muscle part, the diverticulum being adjacent to the diverticulum, a perforation is formed by cutting or puncturing the papilla part near the papilla convex point, the perforation is communicated with the diverticulum, and a duodenal papilla surgical training is performed. Thus, the overall structure is simple, and can help medical students or doctors to focus on the training of tube insertion, electric burning, cutting and the like of the duodenal papilla with diverticulum.

A surgical training model for simulating human prostate surgery may include a harvested porcine urethra. A harvested porcine vagina surrounds a portion of the harvested porcine urethra to define a simulated human prostate.