21 results about "Surgical simulator" patented technology

A surgical simulator includes a haptic arm capable of simulating forces generated during a surgery from an interaction between a surgical tool and operated tissue. The simulator also includes a visual display capable of displaying a three-dimensional image simulating a physics-based computer model of the surgical tool and tissue. The haptic arm controls the movement and orientation of the simulation tool in the three-dimensional image and provides haptic feedback forces to simulate forces experienced during surgery. Methods for simulating surgery and training a user of the simulator are also described.

The invention provides a mitral valve clip operation simulator which comprises a bottom plate, and a first side of the bottom plate is provided with a first storage groove and a second storage groove; the first module is provided with an atrial septum simulation part and a mitral valve simulation part, and the first module is arranged on the bottom plate in the mode that the first module can be switched between an unfolded state and a folded state; the second module is provided with a lower cavity tube used for simulating the inferior vena cava, and the second module is arranged on the bottom plate in a mode of being capable of being switched between an unfolded state and a folded state; when the first module is in an unfolded state, the atrial septum simulation part and the mitral valve simulation part protrude out of the bottom plate, and the positions of the atrial septum simulation part and the mitral valve simulation part form an analogue simulation position; when the second module is in an unfolded state, the lower cavity tube protrudes out of the bottom plate to form a surgical instrument access path; when the first module is in the folded state, the first module is integrally contained in the first containing groove, and when the second module is in the folded state, the second module is integrally contained in the second containing groove.

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

1. Name of the product in this design: Neurointerventional surgery simulator. 2. Application of this design: for use in medical teaching, training, and scientific research in neurointerventional surgery. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model provides an ophthalmologic operation simulator connecting device which is used for connecting an instrument effector and a force feedback device, an instrument connecting seat is arranged at one end of the instrument effector, the ophthalmologic operation simulator connecting device comprises a connecting rod, a spherical hinge connecting seat and a spherical hinge, and the spherical hinge connecting seat and the spherical hinge are connected with the two ends of the connecting rod. The spherical hinge comprises a first spherical hinge support, a ball and a second spherical hinge support, a through hole is axially formed in the first spherical hinge support, the ball and the second spherical hinge support are arranged in the through hole, the ball abuts against one side of the second spherical hinge support, one end of the connecting rod is fixedly connected with the ball, and the other end of the connecting rod is fixedly connected with the second spherical hinge support. The end, away from the connecting rod, of the spherical hinge connecting base is used for being connected with the instrument connecting base in a sleeving mode. According to the connecting device of the ophthalmologic operation simulator, the spherical hinge connecting base matched with the instrument effector is arranged on the connecting assembly, replacement of different effectors is achieved, the force feedback device is connected with the small-size spherical hinge, and therefore the instrument effector and the force feedback device are connected.

The invention provides a tricuspid valve clip operation simulator which comprises a bottom plate, and a first side of the bottom plate is provided with a first storage groove and a second storage groove; the first module is provided with a tricuspid valve simulation part, and the first module is arranged on the bottom plate in a mode that the first module can be switched between an unfolded state and a folded state; the second module is provided with a lower cavity tube used for simulating the inferior vena cava, and the second module is arranged on the bottom plate in the mode that the second module can be switched between the unfolded state and the folded state; when the first module is in an unfolded state, the tricuspid valve simulation part protrudes out of the bottom plate, and the tricuspid valve simulation part and the bottom plate form an analogue simulation position; when the second module is in an unfolded state, the lower cavity tube protrudes out of the bottom plate to form a surgical instrument access path; when the first module is in the folded state, the first module is integrally contained in the first containing groove, and when the second module is in the folded state, the second module is integrally contained in the second containing groove.

A surgical simulator for simulating a surgical scenario comprises a display system, a user interface, and a controller. The controller includes one or more processors coupled to memory that stores instructions that when executed cause the system to perform operations. The operations include generating simulated surgical videos, each representative of the surgical scenario. The operations further include associating simulated ground truth data from the simulation with the simulated surgical videos. The ground truth data corresponds to context information of at least one of a simulated surgical instrument, a simulated anatomical region, a simulated surgical task, or a simulated action. The operations further include annotating features of the simulated surgical videos based, at least in part, on the simulated ground truth data for training a machine learning model.

The invention relates to a dental surgery simulator. The invention provides a dental surgery simulator (1) comprising a support structure supporting a display housing (6) and a parallel robot (40), a display screen (9) disposed in the display housing (6), a computer (80) configured to simulate a dental surgery or treatment, the parallel robot (40) controlled by the computer (80), the parallel robot providing at least three translational degrees of freedom, the parallel robot (40) is controlled by the computer (80) to simulate a dental procedure or treatment by providing haptic force feedback via the parallel robot (40).

The present invention discloses a surgical simulation data analysis system and method based on PACS technology, which relates to the technical field of surgical simulation data analysis. The target surgical simulation data of the target medical staff is obtained from the surgical simulator, and the historical surgical simulation data of other medical staff is obtained from the central database; based on the surgical simulation data of the target medical staff, the probability of problems occurring in each link of the operation of the target medical staff is determined, and the link where the target medical staff has problems in the operation is determined; based on the link where the medical staff has problems in the operation, the medical image data required by the medical staff is determined and pre-downloaded from the central database to the terminal of the medical staff; the medical staff obtains the medical image data from the terminal to improve the proficiency in the operation; the data pre-download strategy is implemented to improve the overall work efficiency; and targeted medical image data pre-download is performed for each link of the operation to improve the effect of surgical simulation.

A surgical simulator comprising a haptic arm capable of simulating forces generated during surgery from interactions between a surgical tool and tissue operated upon. The simulator further comprises a visual display capable of depicting a three-dimensional image of the simulated surgical tool and a physics-based computer model of the tissue. The haptic arm controls the movement and orientation of the simulated tool in the three-dimensional image, and provides haptic feedback forces to simulate forces experienced during surgery. Methods for simulating surgery and training users of the simulator are also described.

The invention discloses a suture simulation method, a surgery simulator and a medium. The method comprises the steps that a suture model composed of first units and an instrument model composed of second units are acquired; determining a first target level and a second target level according to the poses of the two, and setting a first scale and a second scale which are different; performing collision detection of a first target level and a second target level on the suture model and the instrument model based on the first scale and the second scale; when the collision detection result does not meet the preset condition, the levels are selected again for collision detection until the preset condition is met, and the high-low relations of all the levels are different; and based on the target collision detection result and the pose, determining suture states of the suture line model and the instrument model so as to display the suture line and the instrument. According to the invention, during collision detection, the flexible selection of the detection level and the scale is realized, the alternate increase of the cross level is realized, and the detection efficiency and the detection precision under various stitching scenes are improved.

A surgical simulator and a simulation method are disclosed. The surgical simulator includes a blood vessel model. The blood vessel model includes an aorta model simulating a case of replacing a part of the thoracic aorta of a human body with an artificial blood vessel. The aorta model includes a simulated vessel and an artificial blood vessel, or a medical device, connected to the simulated vessel.

FIELD: medicine.SUBSTANCE: invention relates to simulators for practicing skills of applying surgical sutures to the skin and techniques of tying surgical knots. The simulator includes a multi-layer cushion simulating human tissues, a simulation of vessels in the tissues, and has a rectangular shape with rounded edges measuring 20 by 15 cm and a height of 1.8 cm. The simulator is made of hypoallergenic polymers and contains four layers simulating human tissues - epidermis, dermis, subcutaneous fat, muscles. Vessels of various diameters, filled with a liquid imitating blood, run in the subcutaneous layer. A flap of PVC artificial leather having a skin texture, treated with liquid release wax IZHWAX SP, is placed on a platform with legs measuring 25 by 20 cm. A part in the form of a side 1.75 mm high, printed on a 3D printer, is placed on the flap. A nylon stretch mesh with a density of 110 g / m2 is stretched over the part. The stretch mesh is fixed to the platform with clamps. A part in the form of an outer side with 'ears' 17 mm high, printed on a 3D printer, is installed on the mesh. The entire structure is completely pressed against the base using clamps so that the nylon mesh remains stretched. Platinum silicone rubber of appropriate parameters is poured into a separate container. The components are mixed and coloured with a dye for epoxy resin, and after the last layer hardens, all the existing 3D-printed sides and other parts are separated. The excess stretch mesh is cut off.EFFECT: possibility of performing training of intramuscular injection, layer-by-layer dissection of the simulator layers with a scalpel down to the underlying layers and applying sutures in hard-to-reach places, in particular on the muscle layer, fascia, aponeurosis.1 cl, 1 dwg

The application provides a virtual mechanical arm control state management method, device, medium and program product, which is applied to a virtual surgery simulator system. The system comprises an operation platform, an intermediate control layer and a virtual simulator. The intermediate control layer comprises a system coordinator and a mechanical arm controller. The method comprises the following steps: the system coordinator receives and analyzes an initialization instruction sent by the operation platform, extracts virtual mechanical arm configuration information, instantiates a single-arm controller and issues configuration data; the mechanical arm controller initializes a control state; the system coordinator enters a motion preparation state after completing handshaking with the operation platform and sends a preparation signal to each single-arm controller; the single-arm controller completes motion preparation according to an activation mark; the mechanical arm controller feeds back a running state in real time; and the system coordinator coordinates the control state accordingly, thereby achieving dynamic management. The application adopts an intermediate control layer instantiation control and centralized scheduling mechanism, thereby achieving efficient cooperation and real-time response of multiple mechanical arms in a virtual surgery scene.

1. Name of the product in this design: Surgical Simulator (Cerebral Vascular Intervention). 2. Purpose of this design: This design is used for cerebrovascular intervention simulation. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. If the left and right views are symmetrical, the right view is omitted; if the front and rear views are symmetrical, the rear view is omitted.

A surgical simulator comprising a haptic arm capable of simulating forces generated during surgery from interactions between a surgical tool and tissue operated upon. The simulator further comprises a visual display capable of depicting a three-dimensional image of the simulated surgical tool and a physics-based computer model of the tissue. The haptic arm controls the movement and orientation of the simulated tool in the three-dimensional image, and provides haptic feedback forces to simulate forces experienced during surgery. Methods for simulating surgery and training users of the simulator are also described.

A dental procedure simulator (1) is disclosed comprising a computer (80) configured to simulate a dental treatment, a parallel robot (40) providing haptic force feedback, and a handpiece (30) coupled to the robot by a mechanism offering multiple rotational degrees of freedom. A display screen (9) presents a virtual environment, the images of which are reflected to the user by a partially transparent reflective element (7) while simultaneously allowing direct viewing of a real workspace (W). This mixed-reality arrangement enables the user to see both virtual objects, including a virtual handpiece co-located with the real handpiece (30), and physical components such as phantom jaws (13, 14) or a phantom head (10). Sensors may detect movement and orientation of the handpiece and phantom jaws, allowing the virtual environment to be updated accordingly. The system supports realistic simulation through combined visual and haptic feedback and may additionally provide training using physical phantom teeth (22).

The invention provides a virtual mechanical arm control state management method and device, a medium and a program product, which are applied to a virtual operation simulator system, the system comprises an operation platform, an intermediate control layer and a virtual simulator, and the intermediate control layer comprises a system coordinator and a mechanical arm controller. The method comprises the steps that a system coordinator receives and analyzes an initialization instruction sent by an operation platform, virtual mechanical arm configuration information is extracted, a single-arm controller is instantiated, and configuration data is issued; the mechanical arm controller initializes the control state; the system coordinator enters a motion preparation state after handshaking with the operation platform, and sends a preparation signal to each single-arm controller; the single-arm controller completes motion preparation according to the activation mark; the mechanical arm controller feeds back the operation state in real time; and the system coordinator coordinates the control state to realize dynamic management. According to the method, an intermediate control layer instantiation control and centralized scheduling mechanism is adopted, and efficient cooperation and real-time response of multiple mechanical arms in a virtual operation scene are achieved.

24 20936646_1 (GHMatters) P107159.AU.2 Abstract A surgical simulator for surgical training is provided. The simulator includes a frame defining an enclosure and a simulated tissue model located inside an 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 form a fold and are in turn connected to the frame. The frame may be shaped like a cylinder and located inside a cavity of a larger laparoscopic trainer 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. Abstract A surgical simulator for surgical training is provided. The simulator includes a frame defining an enclosure and a simulated tissue model located inside an 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 form a fold and are in turn connected to the frame. The frame may be shaped like a cylinder and located inside a cavity of a larger laparoscopic trainer 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. 24 20936646_1 (GHMatters) P107159.AU.2 20 24 20 42 39 20 J un 2 02 4 A b s t r a c t 2 0 2 4 2 0 4 2 3 9 2 0 J u n 2 0 2 4 m o d e l i s l o c a t e d b e t w e e n t h e t w o s h e e t s e a c h o f w h i c h f o r m a f o l d a n d a r e i n t u r n

A dental surgical simulator (1) includes a support structure and a linkage device (40) suspended from the support structure. The linkage device (40) is controlled by a computer (80) configured to simulate dental surgery or treatment. A handpiece (30) is coupled to the linkage device (40) and is configured to be held in a user's hand and manipulated by the user within a workspace (W) in the real space. A phantom head (10) is provided with a phantom maxilla (13) and a phantom mandible (14) and is supported by the support structure and arranged within the workspace (W). The phantom mandible (14) is arranged to be movable relative to the phantom maxilla (13).