114 results about "Medical simulation" patented technology

Invention is apparatus for using selectable instruments in virtual medical simulations with input devices actuated by user and resembling medical instruments which transmit various identifying data to the virtual computer model from said instruments which have been selected; then, said apparatus assist in creating full immersion for the user in the virtual reality model by tracking and homing to instruments with haptic, or force feedback generating, receptacles with which said instruments dock by means of a numerical grid, creating a seamless interface of instrument selection and use in the virtual reality anatomy.

The invention discloses a medical simulation training system and method. The system comprises an object model building module, a model database, a sensor tracking module, a data processing module, an image generation module and a display module; the object model building module acquires the three-dimensional model data of a specific part of a human body and builds a corresponding three-dimensional virtual model object based on the acquired three-dimensional model data; the model database stores the three-dimensional virtual model object data; the sensor tracking module acquires a user' operation data of a three-dimensional model; the data processing module processes the acquired data to obtain the shape data of the three-dimensional model and the user' operation data of the three-dimensional model and outputs the shape data and the user' operation data; the image genera module generates a three-dimensional virtual image including simulation operation result information according to the shape data of the three-dimensional model and the user's operation data of the three-dimensional model; and the display module displays and outputs the three-dimensional virtual image for the user to view a simulation operation result. With the system and method provided by the embodiments of the present invention adopted, a strong sense of immersion can be realized, a real medical scene can be simulated to the greatest extent, the costs of clinical teaching and training about surgeries, intravenous injection and the like can be reduced.

A medical simulation apparatus is provided, which is capable of performing a simulation by correlating a three-dimensional image with an entity model.Coordinates of measurement marks MP1, MP2, MP3 on a surface of a lower dental arch model 62 in a coordinate system defined by three reference marks MK1, MK2, MK3 are acquired before and after displacement of the lower dental arch model 62. The coordinates thus acquired are converted into coordinates in a coordinate system defined by reference marks PK1, PK2, PK3 on the basis of a relationship between the reference marks MK1, MK2, MK3 and the reference marks PK1, PK2, PK3. Then, changes in the coordinates after displacement of the lower dental arch model 62 are determined, and a region preliminarily specified in a three-dimensional image displayed on a display 5 is displaced on the basis of the coordinate changes thus determined.

A portable medical simulation system and method employs an artificial patient with a built-in haptic interface device, with up to four carriages for engaging different diameter catheters. A catheter stabilizer between each carriage expands and contracts in an accordion fashion as the carriages move in relation to each other, preventing the catheter from bending and bowing. A contrast display visual effect derived from a particle emitter software tool simulates the release of radiopaque dye within a simulated vasculature system for display on a monitor. A computer software based system is used for generating haptic effects on the catheter through control signals passed to each of the carriage motors controlling translation movement of the catheter and magnetic particle brakes controlling rotational movement of the catheter.

A medical simulation model is provided for use in medical training, and having a wall defining a chamber, and having a slit in the wall providing access to the interior of the chamber. A pair of rib-cage members is located within the chamber such that adjacent edges of each member are spaced apart from each other. Resilient biasing elements are connected to each rib-cage member and configured such that adjacent edges of the rib-cage members may be brought into contact with each other, or further spaced-apart, against the action of the resilient biasing elements. A conduit is provided to enable fluid to be introduced into the chamber, and a facsimile of a mammalian heart is located within the chamber.

Systems and methods for simulating medical procedures in a virtual reality operating room for a training a trainee are provided. A medical procedure can be simulated and a trainee can manually manipulate a medical tool to perform the simulated medical procedure in virtual reality on a virtual reality avatar in the virtual reality simulation.

A computerized system for performing a simulated medical procedure, comprises: (a) a physically simulated interventional instrument that looks and feels like an endoscope, for providing user input to a computer simulated medical angioplasty procedure; (b) a motion detector circuit to provide navigation signals representative of the movement of the physically simulated interventional instrument, the motion detector comprising a laser radiation detector, used for determining the location of the interventional instrument in a predetermined area in proximity to the detector and a laser radiation emitter used for emitting a laser beam toward the predetermined area; and (c) a movement calculation unit receiving the navigation signals from the motion detector circuit, and programmed to update the position of a corresponding software simulation of the interventional instrument. A tactile feedback mechanism may be included for providing simulated tactile feedback back to the physically simulated interventional instrument according to the calculated position of the software interventional instrument in the computer simulation.

An animal simulator having electroactive polymer assemblies and a control system connected to the assemblies is disclosed. An animal simulator is constructed and arranged to mimic selected anatomy. It includes a substrate; an electroactive polymer assembly, within the substrate, the electroactive polymer assembly being comprised of at least one electroactive polymer and at least one electrode. A circuit is in operative communication with the electrode such that the electroactive polymer assembly deflects upon receipt of a signal through the circuit. The deflection simulates anatomy. The animal simulator further comprising a sensor, within the simulator, with the sensor being in operative communication with the circuit.

A video game-based medical simulation is provided. Disclosed embodiments pertain to mass-casualty simulation for burn disaster training. Game-play exercises direct a player through a mass-casualty event where triage management and patient assessment are tested, and then follow the player to a Burn Center where resuscitation through patient monitoring, reassessment, and managing are tested for the critical hours / days of recovery. Complication loops are included in the game system to provide random application of variation in patient response. The complication loops can insert semi-randomness of critical complication occurrences into the game such that patient simulation may vary each time the game is played.

Simulation systems and methods may enable medical training. A manufacturing unit may receive data from a configuration unit indicating identification and manufacturing parameters for an anatomy model. A data processing unit may receive data from the configuration unit identifying the anatomy model, and data from a calibration unit indicating a position and / or orientation of a position and orientation sensor relative to the anatomy model. The data processing unit may also receive data from the position and orientation sensor indicating a position and / or orientation of the anatomy model. The data processing unit may generate a virtual image using the data from the position and orientation sensor, the data from the calibration unit, and the data from the configuration unit. The data processing unit may render the virtual image to a display.

Simulation systems and methods may enable medical training. A manufacturing unit may receive data from a configuration unit indicating identification and manufacturing parameters for an anatomy model. A data processing unit may receive data from the configuration unit identifying the anatomy model, and data from a calibration unit indicating a position and / or orientation of a position and orientation sensor relative to the anatomy model. The data processing unit may also receive data from the position and orientation sensor indicating a position and / or orientation of the anatomy model. The data processing unit may generate a virtual image using the data from the position and orientation sensor, the data from the calibration unit, and the data from the configuration unit. The data processing unit may render the virtual image to a display.

The invention relates to a dual-target positioning method for a simulated medical instrument and a virtual simulation medical teaching system. The dual-target positioning method comprises: an instrument is associated with a feature target; cameras are configured and an overlapped view area between two cameras is adjusted; calibration is carried out; to be specific, the cameras obtain images of a calibration reference object and internal and external parameters of the cameras are calculated; correction is carried out; to be specific, distortion elimination and row alignment are carried out on aleft view and a right view respectively according to the internal and external parameters obtained after camera calibration, so that antipode lines are aligned in rows; instrument capturing is carried out; to be specific, a feature target is captured to capture an instrument; and three-dimensional matching is carried out; to be specific, three-dimensional matching is carried out based on a mapping relationship and distortion is corrected, and a spatial position of the instrument is calculated in real time. According to the invention, only a designated feature target needs to be pasted to thesurface of a medical instrument and no other object connection is needed, so that the portability is improved substantially and the simulation degree is increased; the moving area is adjusted by adjusting the cameras, so that the operating area is increased greatly; and a plurality of medical simulation instruments can be identified simultaneously.

A medical simulation apparatus is provided, which is capable of performing a simulation by correlating a three-dimensional image with an entity model. Coordinates of measurement marks MP1, MP2, MP3 on a surface of a lower dental arch model 62 in a coordinate system defined by three reference marks MK1, MK2, MK3 are acquired before and after displacement of the lower dental arch model 62. The coordinates thus acquired are converted into coordinates in a coordinate system defined by reference marks PK1, PK2, PK3 on the basis of a relationship between the reference marks MK1, MK2, MK3 and the reference marks PK1, PK2, PK3. Then, changes in the coordinates after displacement of the lower dental arch model 62 are determined, and a region preliminarily specified in a three-dimensional image displayed on a display 5 is displaced on the basis of the coordinate changes thus determined.

Systems and methods for rendering medical procedures in a virtual reality operating room for a training a trainee are provided. A medical procedure can be simulated and a trainee can manually manipulate a medical tool to perform the simulated medical procedure in virtual reality on a virtual reality avatar in the virtual reality simulation.

The invention belongs to the design of a surface model of a medical simulation human organ and a preparation method, in particular to a preparation method for an infant cleft lip facial simulation model, which comprises the following steps: (1) collecting three-dimensional original data of faces of cleft lip illness children; (2) rebuilding digital facial models of the faces of the cleft lip illness children; (3) automatically layering and scattering model files and forming processing files; (4) automatically processing resin part models of the faces of the cleft lip illness children; (5) duplicating silastic cleft lip facial models; and (6) coloring the silastic facial models. The invention can provide a personalized customization facial simulation model which is in high consistence withthe shape, color, texture and the like of the faces of the cleft lip illness children with three age of months; the simulation model not only provides the real reference for a surgeon before operation, causes the surgeon to know fairly well during the operation, and simultaneously provides postoperative facial esthetic effects for parents of cleft lip and palate patients.

The invention is a medical simulation system having a system computer, at least one output display device, at least one input device an instructor terminal and a mannequin. The invention includes scenarios that execute on the computer system and output simulated physiological values to the display devices. The invention includes a means to communicate between multiple executing scenarios to allow integration of the executing scenarios. The invention includes a control panel interface displayable on the instructor terminal to provide a user friendly input means for the instructor.

The invention provides a digital twin-based cloud medical simulation platform building method and a cloud medical system. The method comprises the steps that medical data of physical objects is obtained, and a digital twin medical model is built; the physical objects comprise medical resources, medical capacity and patients; the digital twin medical model comprises a medical resource model, a medical capacity model and a patient model; interconnection among the medical model, the physical object and the cloud medical service system is built; a cloud medical simulation platform is built on thebasis of the digital twin medical platform. Accordingly, precise modeling is conducted on the patients and medical equipment through a digital twin technology and a cloud architecture, the medical process can be subjected to real-time simulation, medical service can be subjected to optimal management, and the patients can be monitored and pre-warned in real time.

The invention relates to a mechanical operating platform for medical simulation training. The mechanical operating platform comprises operating arms, wherein the operating arms comprise a surgery appliance, an operating rod, a translation mechanism and a supporting frame; and the operating rod and the surgery appliance are connected into a whole, and the whole is translational relative to the supporting frame through the translation mechanism. The mechanical operating platform is characterized in that: the translation mechanism comprises a linear guide rail, a first transmission wheel and a first transmission wire; the linear guide rail passes through a top plate of the supporting frame, one end of the linear guide rail is fixedly connected with the operating rod, and the other end of thelinear guide rail is connected with one end of the first transmission wire; the other end of the first transmission wire is fixed relative to the operating rod; the first transmission wheel is arranged on a side plate, vertical to the top plate, of the supporting frame; an axis line of the first transmission wheel is vertical to the side plate; the middle part of the first transmission wire is wound on the first transmission wheel; and the first transmission wheel is tensioned. The mechanical operating platform for the medical simulation training is simple in structure, small in size, free from interference and collision during the simultaneous use of two operating arms, and applicable to simulation surgery operation.

The invention discloses an artificial eye for a medical simulator, wherein drive motors and bracket plates for a winking transmission mechanism and a pupil changing mechanism are fixed on a base. The winking drive motor drives eyelids to wink by a crank rocker transmission mechanism. The pupil drive motor is arranged on the pupil changing mechanism inside an eyeball to achieve pupil change; a pupil size position judging mechanism is connected on the pupil changing mechanism; and a pupil light sensitive mechanism is further connected inside the pupil changing mechanism. The eyeball is connected with the base by the bracket plates. The artificial eye integrates a winking function with a pupil changing function, has a simple and compact structure, and reliable transmission effects; and a control system for controlling the motor to rotate is added on the subsequent part, so as to achieve simulation effects including a function of winking according to different frequencies, and a function of changing the size of the pupil according to interferences of external factors. The artificial eye can be used as an artificial eye for the medical simulator, or an artificial eye for a human-like robot.

An alginate-polyacrylamide IPN hydrogel formulation for 3D printing using a dual syringe system where the components that initiate polymerization of each network remain separated until printing. The dual syringe system may use a single motor and mixing head to combine both parts of the hydrogel formulation for controlled polymerization of the material. The elastic and time-dependent viscoelastic properties (stress relaxation) are tuned to match mammalian tissues by changing the crosslink density and monomer concentration. The fracture energy of the material may be increased by soaking in a calcium chloride solution. The resulting IPN polymer material may find application in soft tissue medical simulation devices, particularly because the mechanical properties may be tuned to mimic the elastic and viscoelastic properties of muscle tissue and may be 3D printed in the shape of anatomical parts.

A virtual simulator includes a movable user object, an eddy current brake actuator, and a controller. The eddy current brake actuator includes an elongated conductor that is slidingly positioned within at least one magnet. The elongated conductor is coupled to the user object and movement of the user object causes the conductor to move through the at least one magnet which imparts a transient drag force on the conductor. The controller is electrically coupled to the user interface and to the at least one magnet. The controller monitors the velocity of the user object and controls a magnetic field of the at least one magnet to vary the drag force on the conductor in order to provide haptic feedback to a user that relates to force applied to the user object. The virtual simulator may include a display and be configured to perform a medical simulation procedure.

Embodiments of the invention are directed to a foldable system for a simulated image-guided medical procedure. The system includes a foldable base having at least two portions connected by a hinge, each to support one of the guide tubes two or more guide tubes to guide operational tools and two or more tracking units to detect tracking information of the operational tools. The tracking units are configured to provide tracking information to a processor be used in an image guided computerized medical simulation.

This invention describes a system and method for simulating a needle-based medical procedure for purposes of education and training. The described invention has a variety of medical training and assessment applications and can integrate and enhance a variety of existing medical simulation and assessment processes and technologies. The described device is designed to operate in the form of a needle and syringe, and will measure the orientation and penetration depth of the needle and contains all the necessary hardware to transmit this information to a remote installation that can process and visualize the data within a computer-based training device.

A system and method for providing a medical simulation system that adds high-fidelity features to manikin simulators and standardized patients. The medical simulation system includes wearable components that contain modules for simulating pulses, heart and lung sounds, and breathing motion. The wearable components may be coupled to a vital signs display and may be incorporated into a manikin simulator or worn by a standardized patient. The medical simulation system includes an isolation component that isolates the wearable components from the manikin or standardized patient, and isolates the manikin or standardized patient from the wearable components.

The invention discloses a medical simulation diagnosis and treatment teaching system based on a cloud platform. The medical simulation diagnosis and treatment teaching system based on the cloud platform comprises a simulation diagnosis and treatment teaching platform, a cloud management and control center, a school management module, a teacher teaching module, a student learning module, a teaching management department static analysis module and a short message platform. By adopting the medical simulation diagnosis and treatment teaching system, students can directly and personally join in analysis and judgment on clinical cases outside conventional teaching modes, due to PBL problem-orientated teaching, the learning impression of different subjects of clinical medicine is enhanced for the students, the learning interest of the students is greatly improved, the students are helped to deeply understand and master special knowledge, the final graduation scores of the students are increased, and the practical capability of the students is improved.

A system for simulating an image-guided medical procedure on a computerized anatomy is provided. The system includes a foldable base having two portions connected by a hinged connector, each portion of the foldable base is provided with one or more docking stations. The system further includes two or more working units, each connectable to any one of the docking stations. Each working unit comprises a chamber capable of receiving an operation tool, a diameter sensor to detect diameter information related to the operational tool and a tracking unit configured to detect tracking information related to the operational tool.

The invention provides a medical simulation system, which comprises a biological response input part, a biological model generator, a pathological feature acquisition part and an output part, wherein, the biological response input part receives the input of biological response information which reflects a biological actual biological response, the biological model generator produces a biological model to reconstruct an approximate response which simulates the actual biological response, the pathological feature acquisition part obtains pathological feature information which reflects the bio-pathological feature according to the generated biological model, and the output part can output the biological response information and the pathological feature information at the same time.

A medical simulation system has a replacing section for replacing at least a part of a plurality of biological function state values represented by the biological model and a simulating section for generating post-replacement simulated biological response on the basis of the biological model which reflects the replaced value.

A portable medical simulation system and method employs an artificial patient with a built-in haptic interface device, with up to four carriages for engaging different diameter catheters. A catheter stabilizer between each carriage expands and contracts in an accordion fashion as the carriages move in relation to each other, preventing the catheter from bending and bowing. A contrast display visual effect derived from a particle emitter software tool simulates the release of radiopaque dye within a simulated vasculature system for display on a monitor. A computer software based system is used for generating haptic effects on the catheter through control signals passed to each of the carriage motors controlling translation movement of the catheter and magnetic particle brakes controlling rotational movement of the catheter.