136 results about "Medical model" patented technology

The invention provides an endoscopic minimally invasive surgery simulation training method which comprises the following steps of: (1) constructing and editing an endoscopic minimally invasive surgery medical model; (2) constructing a system foundation component library by using a fundamental algorithm; (3) constructing a core algorithm by using the system foundation component library to realize the core function of a 3D platform system; (4) constructing a medical model description language; (5) calling the medical model, constructing a medical scene, and simulating various actions of an endoscopic minimally invasive surgery; and (6) simulating various operations by using endoscopic minimally invasive surgery instruments in a driving virtual environment of an operating table, and outputting a feedback force through an operating rod of a data receiving and feedback signal processing driving operating platform to realize force feedback and virtual touch, so that the simulation training is more vivid. Meanwhile, the invention provides an endoscopic minimally invasive surgery simulation training system. By using the method and the system, force feedback and virtual touch effects can be provided, and high fidelity and a good simulation training effect can be achieved.

The invention discloses a method for producing a human tissue simulated operation model and a guide plate. The method for producing the human tissue simulated operation model an the guide plate comprises the following steps that CT/MR data about a human tissue are gathered, cleaning up and rebuilding are conducted, exact cutting of model space position data is conducted, based on a grinding model of an operation spot, operational information is added, an operation guide plate model is produced by reversed engineering, the obtained grinding model and operation guide plate model are converted to layer-by-layer cross-section data, and the layer-by-layer cross-section data are introduced to a 3D printer to conduct printing. According to the method for producing the human tissue simulated operation model an the guide plate, the accurate combination of a medical model and the guide plate is obtained by 3D printing, accurate simulated operation can be conducted with low cost and high speed, and a pre-operation simulation plan is executed accurately according to a pre-operation guide plate, so that operational risks are reduced, time on the operation is shortened, operational effect is improved, and great practical value is possessed.

The invention provides a head medical model quick forming method based on 3D printing. According to the method, CT/MR multimode medical images are used, a three-dimensional model is quickly established for head tissue/organs, and a 3D printing method is used for carrying out quick forming on the three-dimensional model. The method comprises the steps that (1) a multimode image registration technology is used, and the CT/MR images are registered into a unified space coordinate system; (2) according to medical information provided by the CT/MR images, different kinds of head tissue/organs are extracted; (3) the three-dimensional model is established for the extracted tissue/organs; and (4) the three-dimensional model is subjected to layering layer by layer, cross section data after layering are obtained, and 3D printing is carried out according to the cross section data. According to the CT/MR images, the head tissue/organs can be subjected to quick and accurate modeling, the manufacturing speed and the accuracy of a head medical model can be effectively improved, and a customized and personalized head medical model can be provided.

The invention is applicable to the technical field of medical image processing and provides a medical image data analysis method. The medical image data analysis method includes the steps of acquiring medical image information; classifying the medical image information based on different parts; establishing medical models corresponding to the parts based on the classified medical image information; subjecting the medical models to training processing; storing model parameters. The invention further provides a medical image data analysis system correspondingly. The medical image data analysis method and the medical image data analysis system not only can achieve an image diagnosis function but also can provide later-period scheme recommendations.

A computer aided system of orthopedic surgery is disclosed and omnidirectional osteogenesis is provided as an example thereof. To perform this surgery a craniofacial anatomic surgical simulator (CASS) is described, in which simulator a stereolithographic medical model is mounted. The medical model hereof is modified for this purpose so that pre-operative intra-oral devices, including custom-fitted fixation plates, can be crafted. An occlusal splint formed on the stereolithographic model acts as an armature for a docking bar which is, during the surgical operation, rigidly affixed to the fixation plate(s). The CASS, in one embodiment hereof, includes an indexing means for alignment of the stereolithographic model. The CASS also simulates the temporomandibular joint and fixedly mounts segments of the model in a post-operative condition.

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 provides an oral porcelain tooth 3D gel printing preparation method, and belongs to the technical field of quick forming of precise porcelain composite materials. The oral porcelain tooth 3D gel printing preparation method comprises the following steps: firstly, acquiring an actual three-dimensional virtual model of oral teeth of a patient by using a medical digital scanning technology, processing with medical model analyzing and processing software, and then generating a formatted file required by 3D printing; secondly, preparing required non-toxic biomedical porcelain slurry, controlling a 3D printer to extrude the slurry along a sprayer with a specific size through computer 3D printing software, and then stacking layer by layer to form a three-dimensional blank body of the oral porcelain teeth; and finally, after drying the blank body, sintering the blank body at high temperature to obtain the final product. By the method, the oral porcelain teeth can be produced quickly and highly precisely, the material utilization rate is high, the printed porcelain teeth are safe and non-toxic and are good in biological compatibility, and in the aspect of the mechanical property, teeth can be matched well. In addition, by the method, production cost is reduced, a technical process of product is simplified, operability is high, and private customization is easy to implement.

The invention provides an automatic pricking system and a control method of the automatic pricking system. The automatic pricking system comprises an image capturing module, an image processing module, a blood vessel identifying module, a positioning module and a pricking module which are connected in sequence, wherein the image capturing module is used for carrying out image capturing on a to-be-pricked area; the image processing module is used for carrying out image segmentation processing on the captured image; the blood vessel identifying module is used for carrying out blood vessel identifying treatment on the image after the image segmentation processing, and calculating the position points suitable for pricking on the blood vessel; the positioning module is used for detecting the to-be-pricked area, carrying out locating according to the calculated position points suitable for pricking on the blood vessel, and outputting the locating information to the pricking module; the pricking module is used for carrying out pricking and medicine administration according to the locating information. With the adoption of the system and the control method of the automatic pricking system, the existing medical model can be effectively improved, the doctor-patient relationship can be improved, and the treatment experience of the patients is promoted.

The invention relates to the field of medical model manufacturing, in particular to a method for printing a liver cancer model by a three-dimensional (3D) printing technology. The method for printing the liver cancer model by the 3D printing technology comprises the following steps: 1) printing a hepatic duct system model by a 3-D printer; and 2) according to the diagnosis, fixing a tumor tissue model at the corresponding position of the hepatic duct system model. By the method, a liver vessel system can be accurately printed; a soft model can be prepared by an industrialized remolding technology; the form of the tumor tissue can be flexibly simulated on the surface of the model; and the formed liver vessel system can be reused, so the use cost is reduced and the defects that the 3-D printing products are liable to break and are expensive are eliminated.

The invention relates to a medical model, in particular to an artificial sputum suction model. The model comprises a simulation trachea and a simulation lung, wherein the simulation lung comprises two hollow air bags; the simulation trachea is an inversed 'Y'-shaped plastic threaded pipe; the two hollow air bags serving as the simulation lung are connected to the lower end of the inversed 'Y'-shaped plastic threaded pipe respectively; the plastic threaded pipe is communicated with inner cavities of the hollow air bags; end parts of the plastic threaded pipe communicated to the inner cavities of the hollow air bags are connected with polycystic rubber balls serving as pulmonary alveoli respectively; and the polycystic rubber balls are arranged in the two air bags respectively. The artificial sputum suction model has better simulation effect, higher practicability and novelty.

The invention discloses a method and device for displaying an internal marker of a human organ three-dimensional medical model, which belongs to the field of image processing. A perspective window is arranged on the surface of the human organ three-dimensional medical model, so that the internal marker can be observed from the perspective window. When the model is manipulated to rotate, the position of the perspective window on the surface of the model also changes, so that the marker can always be seen from the perspective window. The marker is set to have the effect of a search light source, and the irradiation effect is that when the model is rotated, the irradiation direction is always back to the perspective window and the light source irradiates the rear surface of the human organ three-dimensional medical model to carry out reflection to form a light spot effect. In the process of rotation, the change in the size of the light spot can reflect the distance between the marker and the rear surface from the perspective window when the human organ three-dimensional medical model is rotated to different positions. According to the invention, the accuracy of the method for displaying the internal marker is improved, and the method and device are used for displaying the internal marker on a display screen.

The invention discloses a 3D printing method for a medical model. The 3D printing method comprises the steps that A, three-dimensional model data are acquired, the model is imported into magics software through a STL file provided by a client so as to fix the positions of all parts of the model, and the output file with the STL format is then imported into 3DMAX software so as to modify and cut the model; B, according to the current situations of organs of the model, section lines are set along the maximum boundary of three-dimensional coordinates of all the organs after variation, and parts which are are sectioned and cut are exported to be STL files respectively; and C, the stored STL files are stored into Cura software, print files with the gcode format are output, and printing is started. The method has the advantages that the defects in the prior art can be overcome, and the precision of the 3D printed organ model can be improved.

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 an intelligent medical system. The intelligent medical system comprises a medical detection device, a medical cloud computing center and a treatment execution device, wherein the medical detection device is used for acquiring physical sign information of a patient; the medical cloud computing center is used for generating a corresponding treatment scheme by utilizing the physical sign information and a preset medical model, wherein the medical model is generated by learning historical patient medical data; and the treatment execution device is used for correspondingly treating the patient by utilizing the treatment scheme. Therefore, the physical sign information of the patient is acquired by the system, the medical model generated by learning the historical patient medical data is used for generating the treatment scheme corresponding to the symptoms of the patient, and the treatment scheme is used for performing corresponding treatment on the patient, so that the communication between the patient and medical personnel is not needed, the treatment is carried out by the medical personnel, the workload of the medical personnel is alleviated, the real-time care is provided for the patient, the treatment scheme can be automatically generated, and the treatment efficiency is increased.

The invention provides a medical model interaction visualization method and system based on gesture recognition, and the method comprises the steps: collecting images of an operator, and capturing a hand motion visual image of the operator; performing gesture segmentation on the captured hand action visual image by adopting a preset gesture segmentation algorithm; analyzing the change of the gesture of the operator based on the gesture segmentation result of the hand action visual image; and controlling the operated medical model in real time according to the change of the gesture of the operator. Three-dimensional reconstruction and gesture recognition are combined, the image processing technology and the man-machine interaction technology are further developed in the medical field, and the method and system can be used for displaying a medical three-dimensional model in a gesture control mode.

The invention is suitable for the technical field of three-dimensional medical model application, and provides a method for webpage displaying of a three-dimensional medical model, and a system thereof. The method comprises the steps as follows: A, three-dimensional medical model data shown by a txt header file and a binary data file is transmitted to a client; B, the client analyzes the text header file and the binary data file by utilizing a scripting language to obtain the three-dimensional medical data; and C, the client utilizes the scripting language to call a shader module to display the webpage of the three-dimensional medical model on the three-dimensional medical model data. Therefore, the network transmission speed of the three-dimensional medical model data is increased, and the efficiency of the webpage displaying of the three-dimensional medical model is improved with the adoption of the method and the system.

The invention relates to the field of digital medical treatment, and discloses a user portrait generation method, which comprises the steps of obtaining physiological index data of a detection user; analyzing an analysis result corresponding to each piece of physiological index data through a medical model; generating a health evaluation report according to each analysis result through a data analysis model, the health evaluation report comprising a label set describing the users' health, risk probability assessment of an affected disease and factor assessment causing the affected disease; andgenerating a user portrait according to the label set for describing the users' health, the risk probability assessment of the disease and the factor assessment causing the disease. Data analysis iscarried out through the medical model according to the obtained detection values in the health archives to obtain the analysis result, and then the analysis result is input into the data calculation model to obtain the health description label set of a user, specified users' health portrait and different health portraits to give health management suggestions.

The invention provides a medical diagnosis artificial intelligence system, a device and a self learning method thereof. The method comprises the steps of performing original data acquisition; obtaining classified data; introducing the classified data into a data index algorithm, performing data conversion for forming visual data; and continuously performing data index algorithm verification; constructing a user profile by means of the visual data; determining whether a matched medical model can be found according to the user profile, and performing risk reminding; constructing a new medical model according to the user sample characteristic through a machine learning algorithm; performing self construction of a new data index algorithm according to the new medical model; and replacing the original data index algorithm by the new data index algorithm. According to the medical diagnosis artificial intelligence system, the device and the self learning method, data of a patient can be acquired and processing in 24 hours without an effect to the normal life of the user. Furthermore a medical diagnosis artificial intelligence platform according to the invention can perform self learning,thereby realizing high diagnosis accuracy and larger diagnosable disease range.

The invention provides a method and device for displaying a marker point inside a three-dimensional medical model and medical equipment, and belongs to the technical field of medical display. The method comprises the steps that the marker point inside the three-dimensional medical model is configured to be a virtual point light source; a local fluoroscopy window is configured on the surface of the three-dimensional medical model; a light spot formed by the virtual point light source in the fluoroscopy window is utilized to represent the depth of the marker point inside the three-dimensional medical model, the depth of the marker point inside the three-dimensional medical model can be visually reflected through the light spot, and a doctor can further visually distinguish the marker point located inside or on the surface of the three-dimensional medical model so that depth information of the marker point inside the three-dimensional medical model can be obtained when the doctor conducts comparative viewing, which is beneficial to improving the accuracy of computer aided medical diagnosis i.

The invention belongs to the technical field of medical teaching models, and relates to a medical model for cervical cerclage simulation teaching, which comprises a base module, an assembly module anda cervix model module; the base module is a model from the waist and abdomen to the thighs of a human body and is internally provided with a cavity structure; an open groove is formed in the externalgenital organ part, is communicated with the cavity structure and is connected with the assembly module in a matched manner; the assembly module is provided with a vaginal orifice and a vaginal modelwith a connector; a connecting bolt is arranged on the cervix model module, and the cervix model module is detachably connected with the vaginal model; the cervix can be placed in the vaginal model and can also be exposed at the vaginal orifice, and the assembly module and the cervix model module are both made of high-elasticity materials. The medical model has the advantages that the simulationdegree is high, the cervix can be placed at the port in the vagina and exposed to the vaginal orifice, the clinical environment can be simulated, a beginner can be supported to learn from low difficulty, the assembly is detachable, and different cervix form assemblies or damaged assemblies can be replaced.

The invention discloses a medical model device for simulating first-aid human cardio-pulmonary resuscitation, and relates to the technical field of medical models. The medical model device comprises a thoracic cavity model and a head model, the head model is fixedly arranged at the left end of the thoracic cavity model, the top side of the thoracic cavity model is provided with a silica gel sheet, and the middle part of the bottom side of the silica gel sheet is fixedly provided with a pressing sheet. According to the medical model device for simulating first-aid human body cardio-pulmonary resuscitation, through cooperation of the pressing piece, a connecting rod, an extrusion piece, a rubber plug, a cylinder, a connecting transverse plate, a top plate, a telescopic rod and a square sliding sleeve which are arranged in the thoracic cavity model, when the pressing piece of the thoracic cavity model is pressed, a certain resistance can be generated through a spring arranged outside the telescopic rod in a sleeving mode, and the real rebounding effect generated when the chest of a patient is pressed during cardiopulmonary resuscitation can be simulated, so that trainees can feel cardiopulmonary first aid closer to the real effect; and after the rebounding effect is enhanced, the rebounding effect better fits the actual response of a normal human body, so that the simulation effect can be prevented from being affected, and operation verisimilitude is achieved.

An active health service system based on a multi-function medicine chest comprises the multi-function medicine chest of a patient end, a doctor end and an administrator end, wherein the doctor end andthe administrator end can carry out data exchange with the multi-function medicine chest of the patient end. In the invention, a traditional passive medical model in which a patient looks for a doctor is converted into an active medical model in which the doctor actively finds the patient to treat diseases. The system has the function of discovering the diseases of people in time, and the heartsof the people can be captured during disease processes so that a traditional medical treatment mode that the patient goes to the hospital is converted into remote diagnosis. In addition, the system can play an important role in many aspects, such as first aid, rational and safe drug use, remote villages, military outposts, unit remote consultation and the like.

The invention provides a method for establishing a coronary artery microvascular spasm pig-model, and belongs to the technical field of medical models. The method comprises that after bilateral femoral arteries of a test pig are free, distal ends of the femoral arteries are ligatured by wires, a left-side sheathing canal is fed into a pigtail catheter, blood flow dynamics indexes are determined, in a right-side sheathing canal, a coronary artery radiography process is carried out so that the middle of an anterior descending branch is displayed, and a neuropeptide Y is injected into the coronary artery so that the coronary artery microvascular spasm pig-model is obtained. The coronary artery microvascular spasm pig-model has good singularity, well fits to the clinical disease fact, satisfies clinical psychological stress characteristics, can be operated simply, is scientific and reasonable, has short modeling time, small damage and low animal mortality, realizes coronary artery microvascular evaluation on the carrier, realizes qualitative and quantitative evaluation of microvascular spasm state and degree, realizes real-time observation, provides a novel research means for basic clinical research and is suitable for popularization application.