CN212873761U - CT teaching system - Google Patents
CT teaching system Download PDFInfo
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- CN212873761U CN212873761U CN201821571394.6U CN201821571394U CN212873761U CN 212873761 U CN212873761 U CN 212873761U CN 201821571394 U CN201821571394 U CN 201821571394U CN 212873761 U CN212873761 U CN 212873761U
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Abstract
The utility model discloses a CT teaching system, including CT teaching model, parameter input module, control module, the database module that is used for demonstrating CT testing process, the database module prestores CT scanning image, parameter input module, database module are connected with control module's input respectively, control module's output control signal is to teaching model's driving motor for start CT teaching module demonstrates testing process; and the control and display module is connected and used for displaying the CT image of the corresponding part according to the input parameters. The utility model has the advantages that: the CT images are preset in the database, and after the teaching model is completed, the corresponding CT images are matched according to the input parameters and then displayed, so that principle demonstration and scanning result display are achieved; the students can write diagnosis results according to the CT images and then compare the diagnosis results with expert diagnosis opinions stored in the database and corresponding to the CT images, and the students can conveniently learn, check defects and make mistakes.
Description
Technical Field
The invention relates to the field of teaching instruments, in particular to a CT teaching system.
Background
The basic physical principle of CT imaging is to utilize the characteristic that the intensity of X-rays is attenuated when the X-rays pass through different tissues of a human body, wherein the intensity of the X-rays is related to the tube voltage, the tube current, the density of the tissues of the detected human body, the atomic number of substances contained in the tissues, the electron number per gram and the like of an X-ray tube; the CT basic image reconstruction algorithm principle is a filtering back projection method, namely, the voxel matrix of the detected layer is scanned and projected at 00, 450, 900 and 1350 angles on the same focal plane, then the X-ray value obtained after scanning attenuation projection is back projected to the voxel point corresponding to the voxel matrix, the X-ray attenuation values (the sizes of the X-ray attenuation values correspond to the gray scale of the CT image) and the specific voxels in a one-to-one correspondence mode can be obtained through the computer after summation, base reduction and simplification, finally, different tissues of a human body corresponding to the voxels of the detected layer of the human body are displayed by using the brightness of pixel points at different spatial positions on the CT image, and a doctor can give a diagnosis guidance suggestion by combining basic medicine such as the learned physiology, pathophysiology, cross-sectional anatomy and the like and clinical medical knowledge of various patients and by distinguishing the slight difference of images of normal tissues and diseased parts on the CT image through the CT medical imaging principle and the image diagnosis skill.
Computed Tomography (Computer Tomography) is an important part essential for medical teaching. In medical education, there are a plurality of courses for teaching three independent and related processes of imaging principle, examination technique operation and image diagnosis. The content of the method relates to knowledge in multiple professional fields such as physics, workers and doctors, and is obscure and unintelligible, and an experimental teaching model is urgently needed to visually display three mutually independent and mutually related processes of the CT imaging principle, the examination technical operation and the image diagnosis. However, the CT equipment is expensive, and the requirements for installation and operation environment are high (special lead plates are required to be added to protect X-ray radiation), and the like, so that the medical colleges and universities cannot purchase CT equipment in large quantities as experimental equipment for the students to repeatedly operate and use; and it is more fatal that the X-ray is invisible light, that is, the real CT equipment can not help students understand the principle and help teaching.
The teaching model is simple, convenient, cheap and can be configured in large quantity for students to repeatedly operate the teaching model for training the CT examination technology, and is invented for the practical difficulty in the CT operation training teaching model under the name of 2010205713888. However, the method only partially solves the problem that a few parts related to the designed inspection technology of the CT imaging in the medical teaching are not provided, and the CT teaching key contents related to the CT imaging principle, the CT image diagnosis and the like are not provided, so that medical students understand the image principle related to the CT imaging in the medical education experiment teaching and combine related medical background knowledge to form a CT image diagnosis thought suitable for the students with limited help, and the application and popularization value of the CT image diagnosis thought is limited. Therefore, the method and the corresponding device are improved based on the teaching model, the basic principle of CT imaging can be visually displayed, the technical point specification of simple examination can be simulated, and students can be helped to understand the technical skill of image diagnosis corresponding to typical CT cases.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's is not enough, provides a CT teaching system for to the demonstration of medical science teaching, be applied to CT medical science teaching field, help the student understand the study CT formation of image principle, inspection technical operation and image diagnosis relevant medical knowledge and skill.
In order to achieve the purpose, the invention adopts the technical scheme that: a CT teaching system comprises a CT teaching hardware model for demonstrating CT images, a parameter input module, a control module and a database module, wherein the CT model is used for demonstrating CT principle demonstration and examination technology and simulation operation key points; the control and display module is connected and used for displaying the CT typical case image of the corresponding part according to the input parameters.
The database module is also used for storing diagnosis result data corresponding to the CT image.
The parameter input module is connected with the control module through the wireless transmitting module and the wireless receiving module, and the control module is used for controlling the display module and the CT teaching model according to the transmitted parameter data.
The CT teaching model comprises a scanning seat and a scanning bed, wherein the scanning seat consists of a rotating circular ring, a scanning seat driving motor and a light-emitting diode group, and the light-emitting diode group is arranged on the inner circular wall of the rotating circular ring; the scanning bed consists of a scanning bed frame, a scanning bed plate, a scanning bed driving motor, a movable pulley and a guide rail; and the control signal of the control module is used for respectively controlling the operation of the scanning seat driving motor and the scanning bed driving motor.
The light emitting diode group is divided into 7 groups, and each group comprises a plurality of light emitting diodes emitting light with the same color.
The input module is a smart phone or a PC, and the control parameters are input through the smart phone or the PC.
The control module is provided with a communication interface and is connected with the multimedia teaching system through the communication interface.
The utility model has the advantages that: the CT images are preset in the database, and after the teaching model is completed, the corresponding CT images are matched according to the input parameters and then displayed, so that principle demonstration and scanning result display are achieved; the students can write diagnosis results according to the CT images and then compare the diagnosis results with expert diagnosis opinions stored in a database and corresponding to the CT images, so that the students can conveniently learn, check defects and make mistakes; different positions of the demonstration CT scanning adopt different ray intensities, and the light with different colors replaces the CT intensity, so that the visual sense is strong, the demonstration principle can be replaced, and the harm of a radiation instrument to a human body can be reduced.
Drawings
The contents of the expressions in the various figures of the present specification and the labels in the figures are briefly described as follows:
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic diagram of the middle CT teaching model of the present invention.
The labels in the above figures are: 1. a scanning base; 2. scanning the bed; 3. the ring is rotated.
Detailed Description
The following description of preferred embodiments of the invention will be made in further detail with reference to the accompanying drawings.
The utility model discloses a at prior art: the CT teaching demonstration system is realized by modification on the basis of a CT teaching model, as shown in figure 2, the CT teaching model is made of a simulated real CT instrument, and comprises a scanning seat 1, a scanning bed 2 and a control circuit. The scanning seat 1 consists of a base, a supporting pulley, a rotating ring, a scanning seat driving motor, a point light source and a simulation receiving device; the rotating ring 3 is fixed on the base through the supporting pulley, the point light source is fixed at one point of the inner side of the rotating ring, the analog receiving device is fixed at a point of the inner side of the rotating ring opposite to the point light source, and the scanning seat driving motor is arranged on the support and can just drive the rotating ring to rotate. The scanning bed 2 consists of a scanning bed frame, a scanning bed board, a scanning bed driving motor, a movable pulley and a guide rail; the guide rail is fixed on the scanning bed frame, the movable pulley is fixed on the scanning bed board, the movable pulley is embedded into the guide rail and can freely slide in the guide rail, and the scanning bed driving motor is installed on the scanning bed frame and drives the scanning bed board to advance and retreat.
As shown in fig. 1, the CT principle teaching demonstration system comprises a CT teaching model for demonstrating a CT detection process, a parameter input module, a control module, and a database module, wherein the database module stores a CT scan image in advance, the parameter input module and the database module are respectively connected with an input end of the control module, and an output end of the control module outputs a control signal to a driving motor of the teaching model for starting the CT teaching module to demonstrate the detection process; the control and display module is connected and used for displaying the CT image of the corresponding part according to the input parameters.
CT scanning image that the storage corresponds the scanning image of different human detection position in the database, parameter input module inputs parameter information such as scanning position to control module, control module adopts the singlechip to realize, the singlechip obtains corresponding CT image from the database according to the human scanning position of input, if the scanning position of input is the head, then the singlechip snatchs the CT image that the head corresponds at random in the head CT image of storage from the database, then show CT image control display module that will snatch, simultaneously behind the input parameter, control module sends control signal to the CT teaching model in, control teaching model work, also be exactly control driving motor: the scanning bed driving motor and the scanning seat driving motor work and control the light emitting diode to work. Thereby completing the CT scanning principle and displaying the CT image information after CT scanning. The method helps students to visually know the CT demonstration principle in the learning process and can display the pre-stored CT images of the corresponding parts after the scanning is finished according to the parameters of the input scanning parts, so that the method is used for the students to learn.
According to the scanned CT image and the input patient information, students can give a diagnosis report according to the learning knowledge of the students and then write the diagnosis report; the database also stores expert diagnosis reports corresponding to the CT images, the expert diagnosis reports can be controlled and displayed through the parameter input module, students can compare the diagnosis reports written by the students with the diagnosis reports of the experts, check the check points of knowledge, find out gaps in time and learn the diagnosis skills, and therefore teachers are helped to demonstrate and compare the diagnosis reports according to the CT image principle and learn the diagnosis reports more intuitively and quickly when teaching, and the students are helped to learn and understand the CT principle and the diagnosis related knowledge.
The parameter input module is connected with the control module through the wireless transmitting module and the wireless receiving module, and the control module is used for controlling the display module and the CT teaching model according to the transmitted parameter data. The parameters input by the parameter input module are in communication connection with the control module through the wireless transmission system, so that data can be transmitted, wiring of the system is reduced, and the system is convenient and reliable. The wireless sending module and the wireless receiving module are both wireless transceivers for two-way communication, and can comprise a Bluetooth module, a radio frequency module, NFC and the like.
The CT teaching model rotating ring is provided with a plurality of light emitting diodes for simulating ray signals emitted during CT scanning, and each light emitting diode correspondingly emits light with one color. Here, seven colors of light emitting diodes are arranged on the rotating ring, the light emitting diodes respectively display different colors, the light emitting diodes of different colors are controlled to emit light according to different scanning positions in input parameters, different ray intensities are represented by different colors, and the principle here is as follows: different organs and tissues of human bodies in different body parts are different (namely, the system anatomy and the local section anatomy are different), so that the attenuation absorption of the human bodies to X-rays is correspondingly different, and the gray scale of corresponding CT images is different, so that the real CT scanning needs to select the optimal scanning parameters of tube voltage, tube current and the like according to the specific situation of a patient to form the most appropriate scanning plan (such as head diseases, skull … with large X-ray absorption) and upper abdomen diseases (lung tissues … with small X-ray absorption) so as to have large corresponding difference, the X-ray intensity difference emitted by an X-ray bulb tube is also large, and the X-rays with different energy correspondingly emit can ensure that the definition and gray scale contrast of a shot CT image can meet the requirement of disease diagnosis and the new damage of the X-ray radiation to the patient is reduced as much as possible, however, the principle cannot be intuitively demonstrated because the X-rays are invisible, so that different intensities of the X-rays are represented by different colors of lights to achieve the demonstration of the principle: when different students input new patient information, such as one input scanning part is a craniocerebral part and the other input scanning part is an epigastric part, the precession distance and the direction of a scanning person on a subsequent scanning bed and corresponding light-emitting diodes are different (the precession distance of the craniocerebral part is smaller than that of the epigastric part; the red light-emitting diode on the rotor part emits red light (representing X rays corresponding to specific energy intensity) in the craniocerebral part, and the yellow light-emitting diode on the rotor part emits yellow light (representing X rays corresponding to another specific energy intensity) in the epigastric part, so that the invisible X-ray energy intensity is converted into visible seven-color light to help the students to intuitively understand the principle difference.
The input module is realized by a smart phone or a PC (personal computer), information such as control parameters and scanning parameters is input through the smart phone and then is sent to the singlechip in a wireless mode, and the singlechip controls the display module to display scanned CT images and control the CT teaching model to work. When the mobile phone is used as the parameter input module, parameters are input through a touch screen of the mobile phone, data are transmitted in a wireless transmission mode of mobile phone Bluetooth after being processed by a mobile phone CPU, and then the data are received by a Bluetooth module connected with the control module, so that the functions of mobile phone input parameters and wireless transmission are realized.
The control module is connected with the communication interface and is connected with the multimedia teaching system through the communication interface. The communication interface can be a USB interface, an SPI interface and other control interfaces used for data transmission, when teaching needs exist, the control module can be connected with a computer end of the multimedia teaching system through the communication interface, and then a teacher is connected with the control module through a computer and used for sending a control instruction to the control module so as to control the operation of the CT teaching model, the parameter input, the display and the like. The whole CT working principle can be conveniently controlled and displayed by a teacher through a multimedia teaching system during teaching.
It is clear that the specific implementation of the invention is not restricted to the above-described embodiments, but that various insubstantial modifications of the inventive process concept and technical solutions are within the scope of protection of the invention.
Claims (7)
1. A CT teaching system comprises a CT teaching model for demonstrating a CT detection process, and is characterized in that: the CT scanning system is characterized by further comprising a parameter input module, a control module and a database module, wherein the database module stores CT scanning images in advance, the parameter input module and the database module are respectively connected with the input end of the control module, and the output end of the control module outputs a control signal to a driving motor of the teaching model for starting the CT teaching module to demonstrate a detection process; and the control and display module is connected and used for displaying the CT image of the corresponding part according to the input parameters.
2. A CT teaching system according to claim 1 wherein: the database module is also used for storing diagnosis result data corresponding to the CT image.
3. A CT teaching system according to claim 1 wherein: the parameter input module is connected with the control module through the wireless transmitting module and the wireless receiving module, and the control module is used for controlling the display module and the CT teaching model according to the transmitted parameter data.
4. A CT teaching system according to claim 1 wherein: the CT teaching model comprises a scanning seat and a scanning bed, wherein the scanning seat consists of a rotating circular ring, a scanning seat driving motor and a light-emitting diode group, and the light-emitting diode group is arranged on the inner circular wall of the rotating circular ring; the scanning bed consists of a scanning bed frame, a scanning bed plate, a scanning bed driving motor, a movable pulley and a guide rail; and the control signal of the control module is used for respectively controlling the operation of the scanning seat driving motor and the scanning bed driving motor.
5. A CT teaching system according to claim 4 wherein: the light emitting diode group is divided into 7 groups, and each group comprises a plurality of light emitting diodes emitting light with the same color.
6. A CT teaching system according to any one of claims 1-5 wherein: the input module is a smart phone or a PC, and the control parameters are input through the smart phone or the PC.
7. A CT teaching system according to any one of claims 1-5 wherein: the control module is provided with a communication interface and is connected with the multimedia teaching system through the communication interface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821571394.6U CN212873761U (en) | 2018-09-26 | 2018-09-26 | CT teaching system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821571394.6U CN212873761U (en) | 2018-09-26 | 2018-09-26 | CT teaching system |
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| CN212873761U true CN212873761U (en) | 2021-04-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108986558A (en) * | 2018-09-26 | 2018-12-11 | 皖南医学院 | A kind of CT tutoring system and its control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108986558A (en) * | 2018-09-26 | 2018-12-11 | 皖南医学院 | A kind of CT tutoring system and its control method |
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Granted publication date: 20210402 Termination date: 20210926 |