341 results about "Medical teaching" patented technology

The invention discloses a hepatic tumor comprehensive surgical planning analogy method and a system thereof based on three-dimensional multimode images. The method comprises the steps that firstly, a data base containing the data of an object is constructed; secondly, three-dimensional registration and fusion are conducted on the medical images, having different modes or single mode and different periods, of the object; thirdly, a specific tissue is divided by the automatic and semi-automatic modes, and the three-dimensional modeling of important tissues in and around the liver is realized by the three-dimensional reconstruction technology so as to reconstruct an abdominal three-dimensional model having the immersion and interaction features; fourthly, before-simulation comprehensive risk analysis is conducted based on the modeling result, referred to the practice guidelines and combined with the object information; and finally, all kinds of simulation surgical plans are designed according to the result of the comprehensive risk analysis, surgical simulation with strong sense of reality is conducted, a surgical route is planned, and risk and prognosis analysis is conducted on the planning simulation result. Through repeated surgical simulations, the surgical skills and the mastery of a user can be improved, and medical teaching can be conducted through the method and the system.

The invention discloses a three-dimensional kidney neoplasm surgery simulation method and a platform based on a computed tomography (CT) film. The method includes that firstly, a data base including object resources is built, multiple manners including CT film scanning are inputted into a CT faultage image, a sequence image is registered according to the sequence based on an outline gradient principle, a registered CT image is utilized to reconstruct segmentation tissue of an arterial phase, a venous phase and a lag phase by adopting of a three-dimensional reconstruction technology, and the segmentation tissue of the arterial phase, the venous phase and the lag phase are effectively fused in the same coordinate space. According to an imaging staging criteria and a treatment guideline of kidney neoplasm, and based on modeling results, various peration plan designing, operation stimulation, surgical risk analysis and response, and prognostic analysis are carried out, a personalized and benefit maximization treatment plan can be provided for an object, and skills and degree of proficiency of an operation can be improved, and the three-dimensional kidney neoplasm surgery simulation method can be used in medical teaching.

A method for retrieving medical images from at least one image archive and creating at least one teaching file; the method including the steps of retrieving at least one medical image from the image archive; storing the at least one medical image in a database; generating a database record for the teaching file; generating the teaching file; saving the teaching file into the database; and generating at least one index of the teaching file

The invention discloses a training device for puncture operation, and belongs to the technical field of medical teaching aid. The training device comprises a puncture mode, a puncture needle and a monitoring system, wherein the puncture mode mainly comprises skin and vein; the monitoring system comprises a monitoring device, a camera and an illumination lamp; and the camera and the illumination lamp are arranged in the vein and respectively and electrically connected with the monitoring device. The training device for the puncture operation has the following beneficial effects that the puncture operation can be directly implemented and the finishing situation can be informed by using the training device; the training device can be repeatedly used; and the training device is convenient, durable and audio-visual, and is suitable for the implementation of teaching work.

The invention relates to the field of medical teaching, in particular to a virtual teaching training system for puncture. The system comprises a hardware part and a software part, wherein the hardware part comprises an operating platform, wherein a support structure is arranged at an upward extending part of the hole-towel operating platform, a detachable operating screen is arranged on the hole-towel support structure, the hole-towel support structure extends towards the side surface to be provided with a control screen, and an instrument tray is arranged on the hole-towel operating platform and connected with the hole-towel operating platform through a cylindrical support; the hole-towel software part comprises a database, an interface interaction part, a 3D rendering part, a physical engine, a GPU (graphics processing unit) parallel computing and collision detection part, a soft tissue simulation part and scripting languages. The system has the advantages of high simulation degree, no risk, low cost, repeatability, assignability and the like.

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 DSA composite operating room intelligent control system comprises a center server, a network switch, a DSA image data collecting subsystem, an operating room rebroadcasting / showing subsystem, an operating room environment monitoring subsystem and an operating room equipment control subsystem. The center server is connected with the DSA image data collecting subsystem, the operating room rebroadcasting / showing subsystem, the operating room environment monitoring subsystem and the operating room equipment control subsystem through the network switch respectively. The technical problems that information resources of a traditional medical teaching system cannot be stored in a unifying mode, and operation long-distance showing and medical image concentrating displaying cannot be achieved are solved, system interactivity is greatly improved, accordingly, real-time dynamic cooperating is achieved, the functions such as long-distance showing and digital image transmission are achieved, and high-quality transmission of high-definition digitization images between an operation image rebroadcasting system, a teaching system, an academic report communication system and a specialist consultation system is achieved.

Certain embodiments present a system for generating a medical teaching file message. An image identifier labels medical images based upon information pertaining to user interaction with the image. The system also provides an image search engine that scans and indexes images within a database based on a set of rules. The image search engine generates a subset of images from a larger group of medical images within a database based upon the rules. The system also includes a supporting data selection engine for accepting a free text search query from an interface. The supporting data selection engine scans medical databases based on the free text search query, and provides the supporting data search results via an interface. A teaching file message is generated either automatically or manually from the subset of images and the supporting data search results for transmission to a teaching file.

The invention discloses a people simulation system for Chinese medical teaching. The system includes simulation showing unit, clinic units, medical integrated units, diagnosis and treatment simulation and the treatment of feedback unit. The people simulation for Chinese medical teaching is different form the general training model, which can give real reaction to clinical treatment and drug treatment automatically. Thus students get a safe, risk-free real clinical environment to use and understand the clinic knowledge better. Compared with the existing technology, such a people simulated system for Chinese medical teaching is easy to operate, risk-free, reusable, and teaching results can be recorded; it can give real reaction to clinical treatment and drug treatment automatically. Thus students get a safe, risk-free real clinical environment to use and understand the clinic knowledge better.

The invention belongs to the medical teaching equipment technical field and relates to a fully-automatic multi-functional integrated puncture training computer dummy. The fully-automatic multi-functional integrated puncture training computer dummy comprises a high-simulation human body model, a position-automatic changing experimental table, puncture cavities, modules, arteriovenous veins, a liquid injection automatic control device, a fully-automatic arterial pulse simulator and a microcomputer controller. The dummy is characterized in that the high-simulation human body model is installed on the position-automatic changing position experimental table and is provided with various puncture cavities / modules such as pneumothorax, hydrothorax and abdominocentesis modules which are all connected with the microcomputer controller and / or a micro water pump / air pump; double-layer metal mesh electrodes are distributed on the neck, thoracic puncture and lumbar puncture positions of the dummy; the dummy is further provided with kidney, bladder, lymph gland and bone marrow puncture cavities / modules as well as a variety of puncturable central veins and peripheral veins; and arteries are connected with a fully-automatic blood circulation simulator. With the dummy adopted, dozens of puncture items can be provided; puncture position change, liquid injection, gas injection and artery pulsing are completely automated; and sound-light alarms can be given out automatically; life-like simulation effects can be realized; and teaching effects can be significantly improved.

The present invention relates to the field of medical education equipment and particularly relates to a puncture / intubation medical teaching simulation training method and a used puncture / intubation training system. The system comprises an operation taking structure, a depth detection device, a medium supply system (50), an operation applying device (300) and a controller (702). The operation applying device comprises a syringe formed by a needle and a pusher and a needling / inserting device. According to the puncture / intubation training system, the controller controls a corresponding pump bodyand / or liquid container to provide medium according to different depths and / or cases, the simulation of a real puncture / intubation operation is achieved, the method of the invention is used to carryout puncture / intubation medical teaching simulation training, the number of times of replacing the operation taking structure is reduced, the service life of the operation taking structure is prolonged, at the same time, different media can be provided according to different case settings, thus a trainee can choose different cases to perform training operations, multiple functions are realized inone machine, and an experience is authentic.

The invention relates to a craniocerebral model and a preparation method and application thereof. The model comprises an upper skull and a lower skull, wherein the upper skull and the lower skull aredetachably connected in a closed manner and form a skull cavity inside, the skull cavity is internally provided with a cortical brain tissue with a surface having a gully structure, and blood vesselsand nerves are distributed in the cortical brain tissue which is made of a silica gel elastomer. The skull model provided by the invention has the skulls, cortical brain tissue, blood vessels and nerve parts similar to a real brain structure, can simulate the physical structure and touch of the real brain, can vividly and intuitively reproduce the anatomical structure of the brain, and can be widely used in medical teaching of a craniocerebral structure, clinical craniocerebral operation simulation, operation training and operation practice.

The invention discloses a spinal puncture teaching model, belonging to the field of medical teaching. The spinal puncture teaching model comprises a spinal puncture model, a puncture needle, a cerebrospinal fluid flow guide device, an operation control circuit and a flexible drainage pipe, wherein the spinal puncture model consists of a lumbar vertebrae bone, a sacral vertebrae bone and a round pipe; a pressure sensor is arranged in the round pipe; a needle handle is provided with a side through pipe and a straight through pipe; the cerebrospinal fluid flow guide device consists of a liquid storage tank, a liquid feeding port, a liquid discharging port, cerebrospinal-fluid drainage liquid, a micropump, a micropump power supply circuit and a hydrops depth control floater; the operation control circuit consists of a power supply, a position indicating circuit and a hydrops depth control floater; and the position indicating circuit consists of a pressure sensor, an in-place indicating lamp and a relay. The spinal puncture teaching model disclosed by the invention has the beneficial effects that the effects of convenience, durability and intuition can be achieved, the notification of the operation practice working and the finishing condition information of spinal puncture can be directly realized, the repeated use can be achieved, and the purpose that the spinal puncture teaching model can bear the practice of repeated operation and training is realized.

The invention relates to the technical field of tools for medical teaching, in particular to a CT simulation system for teaching. The CT simulation system for teaching is suitable for teaching demonstration, free of radiation and harm, easy to operate and good in simulation effect and can simulate operation and output and display human body scanning information. The system comprises a simulation platform assembly, a simulation scanning frame assembly arranged outside the simulation platform assembly in a sleeving mode, a human body model arranged above the simulation platform assembly, a data storage and processing assembly used for receiving, processing and sending data, a control assembly and a display assembly, wherein the control assembly and the display assembly are connected with the data storage and processing assembly through cables. The CT simulation system for teaching has the advantages of being simple and reasonable in structure, low in manufacturing cost, suitable for purchase and use of schools, suitable for teaching demonstration, free of radiation and harm, easy to operate, good in simulation effect and capable of simulating operation and outputting and displaying the human body scanning information.

The invention relates to the technical field of a medical teaching device, more exactly, relates to a high stimulation ventricular puncture drainage training assessment standardization patient, whichcomprises a high stimulation bareheaded adult upper body model, a cerebrospinal fluid circulation and pressure adjusting device, and an electronic monitoring alarm device; the high stimulation ventricular puncture drainage training assessment standardization patient is characterized in that the high stimulation bareheaded adult upper body model is provided with a high stimulation head, and eight ventricular puncture points commonly used in clinic are designed to be integrated puncture module which is closely matched with the puncture part and convenient to replace, and an annular electrode isarranged in the puncture module; sensors are closely distributed in a simulative brain; a voice chip, a loudspeaker, a reducing motor speed regulator, a peristaltic water pump, and a fluid storage bottle are arranged in the case; the case panel is provided with a cerebrospinal fluid circulation speed observing pipe, a resistance adjusting rotary button and a motor speed regulating rotary button, acerebrospinal fluid pressure testing pipe. When the ventricular puncture, the drainage training or the assessment effect are very vivid, the puncture module is convenient to replace, the automatic circulation pressure of the cerebrospinal fluid can be adjusted; when the puncture is wrong, the patient can automatically alarm by sound and light, thus the teaching quality is significantly improved.

A modern acupuncture copper dummy-needling safety training system and a control method thereof. The system comprises a mannequin, a mannequin driving device, a PC machine and a multimedia display device which are orderly connected via wires; wherein a plurality of national standard points are carved on the surface of the mannequin, an simulant skin is coated on the outer surface of the mannequin, a needing key connected with the mannequin driving device is mounted in each point, the needing key is composed by simulant muscle at the inner side of the simulant skin, three layers of conductive rubber arranged at the inner side of the simulant muscle, and insulative rubber layers disposed between adjacent conductive rubber layers. According to the system according to the invention, the students can rapidly judge whether the operation is accurate, and the system has advantages of large information amount, rich content, convenience, amusement, strong interaction, wide application range, no limitation in time and place, thereby the students can rapidly known needling, and improve the accuracy and safety of needling in an easy environment, so as to satisfy the request of modern traditional Chinese medical teaching.

The invention discloses a medical teaching system based on VR (virtual reality) technology, comprising a VR operating device, a VR workstation and a VR display device; the VR operating device is usedfor acquiring a user's operational behavior data; the VR workstation is connected with the VR operating device and is used for generating a medical teaching scenario and updating the same according tothe behavior data acquired by the VR operating device; the VR display device is connected with the VR workstation and is used for playing the medical teaching scenario. The medical teaching system based on VR technology provided herein can display medical teaching contents in more visual and comprehendible manner, thereby helping improve medical teaching efficiency.

The invention discloses a remote VR oral implantation teaching system based on a 5G network, and belongs to the field of medical teaching. The system comprises a remote teaching module which is used for photographing an actual clinical oral implantation treatment scene, and is connected with a VR visual presentation device through the 5G network to enable a learner to enter an immersive virtual reality scene; a data storage module which is used for storing related data in oral implantology; the VR visual presentation device which is used for restoring a to-be-trained target case in a real scene, so that the learner enters a virtual reality scene of the target case; a somatosensory recognition module which is used for capturing hand actions of the learner and reflecting the hand actions ina virtual reality scene of the target case; and a teaching error correction module which is used for monitoring the operation process of the learner, prompting the learner of wrong operation steps anddisplaying a standard operation method when wrong operation is identified. According to the invention, the medical operation proficiency of learners can be effectively improved, and errors can be corrected in time, so that the learners can truly master accurate operation.

The invention provides a dynamic pulse wave simulation module, and relates to the field of medical teaching. The dynamic pulse wave simulation module includes a feature acquisition module, a vital sign simulation module, a dynamic simulation module and a display module, pulse wave data come from clinical practice, through the feature acquisition module, feature acquisition can be performed on pulse data of different clinical case conditions to obtain pulse wave features of different cases, when medical students perform training operation, the life sign simulation module simulates changes of physiological parameters in real time, data are transmitted to the dynamic simulation module, corresponding dynamic adjustment of pulse waves is performed in real time, dynamic simulation of the pulse waves is realized, and output display is performed through the display module.

The invention discloses a preparation method for a rabbit brain tissue factor freeze-drying preparation. The preparation method comprises the following steps: taking a fresh rabbit brain and stripping meninx and blood vessels; removing a brainstem and washing by using normal saline; putting the rabbit brain into a cleaning mortar and adding acetone until the rabbit brain is immersed; grinding by using a grinding hammer and pouring off the acetone; repeating for three times; filtering the acetone by using filtering paper; putting the rabbit brain into an oven of 37 DEG C and paving to evaporate and dry the acetone; adding the normal saline; uniformly agitating and putting a mixture into a constant-temperature water bath of 37 DEG C to be pre-heated and activated, incubated and agitated; centrifuging for separating; taking liquid supernatant and filtering to obtain a rabbit brain FIII tissue factor suspension solution; adding the rabbit brain FIII tissue factor suspension solution into a small bottle; freezing-drying, exhausting and pressing a bottle to prepare the rabbit brain tissue factor freeze-drying preparation, and storing at -20 DEG C. With the adoption of the scheme, the technology is very mature, the quality is very stable and the guarantee period is very long; the preparation method is very convenient to use; the preparation method has very high medical teaching, scientific research, clinical diagnosis and treatment and economic values.

The invention relates to a demonstration model for simulating the pathological change of acute glomerulonephritis. The invention belongs to a medical teaching device, and particularly relates to a teaching aid for demonstrating the pathological change of acute glomerulonephritis. The teaching aid mainly comprises a heart model, an afferent glomerular arteriole model, a glomerular capillary u-shaped loop model, a mesangial region saccus model, an efferent glomerular arteriole model, a renal capsule model, a renal tubule model, a urine pool and a blood pool, thereby forming a model system for demonstrating the pathological clinical correlation of acute glomerulonephritis. The device is simple in structure and convenient to operate, and has high visuality and understandability in the teaching process. Besides, the device facilitates students to foster the observation and problem analysis capabilities.

The invention discloses a human body forearm fracture simulating bone-setting training apparatus. The apparatus includes a human body forearm model which is assembled by a plurality of components. The human body forearm model is provided with sensors thereon, and the sensors serve to acquire motion parameters of all components while bone-setting training is conducted on the human body forearm model. The sensors are connected to a controller which analyzes, processes the motion parameters and restores the motion parameters to a virtual image. The controller is connected to a display screen which is used for displaying the virtual image. The apparatus has the beneficial effects that: the apparatus can be used in medical teaching of fracture resetting techniques, and allow students to practice bone-setting techniques. The apparatus can display immediately the effects of fracture resetting, and can play an important role in improving therapeutic effects of bone-setting and bone-setting techniques inheritance.

The invention relates to a full-automatic cardiopulmonary percussion computer anthropomorphic dummy and belongs to the medical teaching equipment technical field. The anthropomorphic dummy comprises a simulation human body model, a microcomputer controller, a plurality of types of cardiopulmonary sacs, sponge, a miniature water injection pump, a miniature water pump, a miniature gas pump, a miniature vacuum pump, solenoid valves and a water tank. The anthropomorphic dummy is characterized in that: the thick sponge is arranged in the chest of the simulation human body model; the plurality of types of cardiopulmonary sacs are connected with the miniature water injection pump, the miniature water pump and the water tank through the solenoid valves of the cardiopulmonary sacs, a multiway pipe, rubber pipes and a water injection solenoid valve; and a hyperresonance sac and a tympanitic sac are connected with a gas injection solenoid valve, the miniature gas pump and the miniature vacuum pump through the solenoid valves of the hyperresonance sac and the tympanitic sac, a four-way pipe and rubber pipes. The panel of a case is provided with a keyboard; and a rectification power supply, a microcomputer programming timing switch, a relay, a microcomputer voice module and a loudspeaker are arranged in the case. The anthropomorphic dummy is advantageous in that the anthropomorphic dummy can simulate ten types of cardiopulmonary percussion physical signs, achieve a life-like effect, achieve automatic voice prompting after setting and resetting, and can remarkably improve operation skills and check effects of cardiopulmonary percussion.

The invention discloses a medical teaching-used human body model using method based on a simulation technology. The method comprises the following steps: S1, images for each organ, a bone, and muscle of the human body are pre-configured in a server; S2, according to the images for each organ, the bone and the muscle of the human body, three-dimensional models for each organ, the bone and the muscle of the human body are generated; S3, the three-dimensional models for each organ, the bone and the muscle of the human body are grouped according to ages and genders; the three-dimensional models for each organ, the bone and the muscle of the human body after grouping are stored in the server; S4, a medical teaching request initiated by a teacher through a teacher user terminal is acquired, the server reads gender and age demands from the medical teaching request, and corresponding three-dimensional models for each organ, the bone and the muscle of the human body are read from the server; and S5, specific requirements on each organ, the bone and the muscle of the human body in the three-dimensional models are read by the server from the medical teaching request.

The invention discloses a preparation method for a high-transparency bionic blood vessel model for a hydrodynamics observation experiment, and belongs to the technical field of medical models. The preparation method comprises the following steps that a bionic blood vessel three-dimensional computer model is created by using a medical imaging system software; a male die of the bionic blood vessel model is manufactured by using an FDM 3D printing technology; a mixed liquor of PDMS and curing agent is proportioned; layered casting is carried out on the male die of the blood vessel model by usinga PDMS solution; after the PDMS is cured, a reserved inlet and outlet of the model is cut open to dissolve the male die of the blood vessel model; a completed PDMS mold is post-processed, thereby improving the surface precision, that is, the high-transparency bionic blood vessel model can be obtained. The preparation method for the high-transparency bionic blood vessel model for the hydrodynamicsobservation experiment has the advantages that the bionic blood vessel model has high transparency, high surface precision, high bionic performance and good wall surface elasticity, the preparation method is simple, forming is easy, and the development of the hydrodynamics observation experiment and medical teaching demonstration is facilitated.

The invention discloses a three-dimensional kidney neoplasm surgery simulation method and a platform based on a computed tomography (CT) film. The method includes that firstly, a data base including object resources is built, multiple manners including CT film scanning are inputted into a CT faultage image, a sequence image is registered according to the sequence based on an outline gradient principle, a registered CT image is utilized to reconstruct segmentation tissue of an arterial phase, a venous phase and a lag phase by adopting of a three-dimensional reconstruction technology, and the segmentation tissue of the arterial phase, the venous phase and the lag phase are effectively fused in the same coordinate space. According to an imaging staging criteria and a treatment guideline of kidney neoplasm, and based on modeling results, various peration plan designing, operation stimulation, surgical risk analysis and response, and prognostic analysis are carried out, a personalized and benefit maximization treatment plan can be provided for an object, and skills and degree of proficiency of an operation can be improved, and the three-dimensional kidney neoplasm surgery simulation method can be used in medical teaching.

The invention discloses a root canal preparation effect detection method and device in stomatology teaching. The method is characterized by dying a transparent resin tooth model or a transparent resin simulated root canal before and after the root canal preparation with blue dye and red dye respectively and then carrying out digital fixed focus shooting; extracting contour of the outer wall of the root canal before and after preparation and the central axis of the root canal before and after preparation in shot mages by utilizing image processing software, and setting a plurality of mark points before and after preparation at intervals on the central axis of the root canal before and after preparation; and finally, carrying out overlapping comparison on the corresponding images, determining the relative positions of the corresponding mark points on the comparison image to detect and estimate the preparation effect of the root canal. The device is mainly formed by a protractor arranged on a base, a rotation shaft arranged in the center hole of the protractor, a base platform arranged at the upper end of the rotation shaft and used for fixing the transparent resin tooth model or the transparent resin simulated root canal, and a digital camera connected with a computer. According to the root canal preparation effect detection method and device in stomatology teaching, students and teachers can visually estimate the change of shape of the root canal before and after preparation conveniently.

The invention relates to an intelligent auscultation system, which comprises an intelligent stethoscope earpiece, a signal amplification circuit, a signal filtering and processing circuit, an A / D conversion circuit, a control circuit, a storage circuit, a playback circuit and a Bluetooth circuit; The head includes a piezoelectric film sensor or a sound pickup; the intelligent stethoscope earpiece, signal amplification circuit, signal filtering and processing circuit, A / D conversion circuit, and control circuit are connected in sequence; the control circuit is respectively connected to the storage circuit, the playback circuit and the control circuit. bluetooth circuit. The beneficial effects of the present invention are as follows: the present invention is specifically a system integrating collection, storage, transmission and intelligent analysis of auscultation sounds, which can satisfy clinical physical diagnosis, medical teaching, telemedicine and the like. Equipped with special analysis software, it can automatically compare with the medical auscultation database and automatically obtain the function of reference clinical diagnosis; the invention can intelligently analyze the collected auscultation digital audio to obtain reference diagnosis.