CN111951651A - Medical ultrasonic equipment experiment teaching system based on VR - Google Patents
Medical ultrasonic equipment experiment teaching system based on VR Download PDFInfo
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Abstract
The invention relates to the technical field of education and teaching, and provides a medical ultrasonic equipment experiment teaching system based on VR (virtual reality), which comprises a hospital roaming plate, an ultrasonic diagnostic apparatus structure composition display module, an ultrasonic diagnostic apparatus classification demonstration module, an ultrasonic diagnostic apparatus imaging principle demonstration module, an ultrasonic diagnostic apparatus examination interaction experiment module, an examination evaluation module and external VR interaction equipment.
Description
Technical Field
The invention relates to the technical field of education and teaching, in particular to a medical ultrasonic equipment experiment teaching system based on VR.
Background
At present, Virtual Reality (VR) is an emerging technology developed based on computer technology. The virtual reality technology is characterized in that a computer technology is taken as a core, a multimedia technology, a simulation technology and a rendering technology are combined to create a virtual reality environment integrating vision, hearing, touch, smell and the like, and meanwhile, the generated virtual environment object is interacted through program design and various sensing devices, so that the corresponding user requirements are met, and the user has real experience of being personally on the scene. Therefore, the virtual reality technology has three important features, namely Immersion (Immersion), interactivity (Interaction) and reality (reality).
The medical ultrasonic technology comprises medical imaging and ultrasonic equipment science professional subjects, the coverage range of basic knowledge is wide, knowledge points relate to multiple subjects such as physics, acoustics, mathematics, engineering and the like, formulas are complicated and are mutually crossed, the teaching difficulty of teachers is high, and students are difficult to understand. To learn the subject requires the students not only to have a certain theoretical knowledge base for the ultrasonic medical profession, but also to operate the real ultrasonic equipment repeatedly for many times, so that the professional knowledge in the medical ultrasonic technology can be better mastered, and therefore, the practice operation is very important for learning the professional knowledge of the medical ultrasonic technology. The traditional teaching modes such as teacher explanation, PPT demonstration, video display and visiting practice have certain limitations, and students lack practice operations, so that the students cannot comprehensively master the ultrasonic professional technology; the current ultrasound technology specialty faces three major problems in the teaching field:
1. educational resources are limited. Due to the fact that ultrasonic equipment is high in price and the number of students is greatly increased in recent years, the existing ultrasonic experiment lessons are not developed or are simply visited to practice, and therefore practical manual experiments of the students are too few and teaching tasks cannot be completed;
2. the professional teaching difficulty is high. Due to the fact that related ultrasonic specialties relate to multiple courses, the course span is large, the contents are abstract and complex, the combination is high, and the understanding difficulty is high, students can hardly master the courses really.
3. The clinical practice chance is few, because the ultrasonic medicine education aspect is influenced by all aspects of factors in our country, lead to theoretical knowledge and practice education not to combine well.
These problems can be solved well if medical ultrasound technology is combined with VR technology. VR scene teaching is a new teaching mode, so that learners are not limited by environment, field and time, and can repeatedly practice students, and practitioners have a sense of being personally on the scene, so that students can quickly enter a practical learning state, learning interest of the students can be greatly stimulated, and learning efficiency of the students can be greatly improved; the invention also provides a virtual simulation experiment teaching project of an ultrasonic imaging principle and equipment developed based on VR technology, which aims to enable students to better master the relevant knowledge about ultrasonic technology so as to really know the principle of ultrasonic imaging, and simultaneously improve the enthusiasm and interest of the students in learning the ultrasonic theoretical knowledge so that the students can more intuitively learn and master the professional knowledge related to the ultrasonic technology.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide a medical ultrasonic equipment experiment teaching system based on VR (virtual reality), which is used for solving the defects of limited education resources, high professional teaching difficulty and few clinical practice experience opportunities in the medical ultrasonic technology teaching process.
Disclosure of the invention
In order to solve the above technical problem, the present invention provides a medical ultrasound device experiment teaching system based on VR, including:
the hospital roaming plate is used for displaying the overall layout and the department setting of the hospital, so that a patient can conveniently and quickly know the overall condition of the hospital;
the ultrasonic diagnostic apparatus structure composition display module is used for demonstrating main composition modules of the ultrasonic diagnostic apparatus and the assembly relation among the main composition modules;
the ultrasonic diagnostic apparatus classification demonstration module is used for demonstrating the main classification of the ultrasonic diagnostic apparatus;
the ultrasonic diagnostic apparatus imaging principle demonstration module is used for demonstrating the imaging principle of the ultrasonic diagnostic apparatus;
the ultrasonic diagnostic apparatus examination interactive experiment module is used for simulating a plurality of ultrasonic examination items and making formatted reports;
the examination evaluation module is used for online learning and self-evaluation and online evaluation of the teaching effect of the system;
still include external VR mutual equipment.
Furthermore, the hospital roaming plate comprises a whole set of 3D animation models of the hospital and is provided with corresponding voice and text instruction instructions.
Furthermore, the ultrasonic diagnostic apparatus structural composition display module comprises a disassembly module and an assembly module, wherein the disassembly module and the assembly module respectively comprise a 3D model, a part selection tool, a part moving tool and a part rotating tool of main component parts of the ultrasonic diagnostic apparatus, and the ultrasonic diagnostic apparatus structural composition display module also comprises corresponding assembly character guide.
Furthermore, the ultrasonic diagnostic apparatus classification demonstration module comprises an A-type ultrasonic diagnostic apparatus sub-module, a B-type ultrasonic diagnostic apparatus sub-module, an M-type ultrasonic diagnostic apparatus sub-module and a Doppler-type ultrasonic diagnostic apparatus sub-module, and each sub-module comprises three plates of a probe transmitting sound wave type, an imaging mechanism and a main application range.
Furthermore, the imaging principle demonstration module of the ultrasonic diagnostic apparatus comprises an ultrasonic probe transducer working principle demonstration module and an ultrasonic examination imaging principle demonstration module.
Furthermore, the ultrasonic probe transducer working principle demonstration module comprises an ultrasonic probe 3D model and corresponding disassembly and assembly text guide.
Further, the ultrasonic examination imaging principle demonstration module comprises a human body 3D model and a human body organ 3D model.
Furthermore, the ultrasonic diagnostic apparatus examination interaction experiment module comprises a thyroid scanning submodule, a liver scanning submodule and a heart scanning submodule, and each submodule comprises four sub-options of patient reception, simulated scanning training, skin cleaning and patient delivery.
Furthermore, the ultrasonic diagnostic apparatus examination interaction experiment module also comprises a formatted report making module which comprises a plurality of customizable options such as an ultrasonic examination application form, a probe model library, a coupling agent and the like.
Furthermore, the examination evaluation module comprises a learning test module, an ultrasonic imaging image reading experiment module, a question bank learning module and an online self-test module.
Furthermore, the system also comprises VR external interactive equipment.
Further, the external mutual equipment of VR is VR eyes or VR helmet, roams the plate cooperation through VR glasses or VR helmet and hospital, accomplishes and browses hospital's overall layout and administrative or technical offices setting condition.
(III) advantageous effects
The invention provides a medical ultrasonic equipment experiment teaching system based on VR, which comprises an ultrasonic diagnostic apparatus structure composition display module, an ultrasonic diagnostic apparatus classification demonstration module, an ultrasonic diagnostic apparatus imaging principle demonstration module, an ultrasonic diagnostic apparatus examination interaction experiment module, an examination evaluation module and external VR interaction equipment, and can complete online teaching work related to ultrasonic medical technology through VR technology.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of the overall structure of a VR-based medical ultrasound device experiment teaching system of the present invention.
FIG. 2 is a login interface diagram of the VR-based medical ultrasound device experiment teaching system of the present invention.
FIG. 3 is an exemplary diagram of a master selection interface of a VR-based medical ultrasound device experiment teaching system of the present invention.
Fig. 4 is a 3D model diagram of an indoor scene of the VR-based medical ultrasound device experimental teaching system of the present invention.
Fig. 5 is a schematic diagram of a hospital roaming module of the VR-based medical ultrasound device experiment teaching system of the present invention.
Fig. 6 is a schematic diagram of a classification demonstration module of an ultrasonic diagnostic apparatus of the VR-based medical ultrasonic equipment experiment teaching system of the present invention.
Fig. 7 is a schematic diagram of an imaging principle demonstration module of an ultrasonic diagnostic apparatus of the VR-based medical ultrasonic equipment experiment teaching system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention discloses a medical ultrasonic equipment experiment teaching system based on VR (virtual reality), which comprises a system body based on a CS (circuit switched) framework and VR interaction equipment used for interaction between a user of the system and the system, wherein the system body comprises a hospital roaming plate, an ultrasonic diagnostic apparatus structure composition display module, an ultrasonic diagnostic apparatus classification demonstration module, an ultrasonic diagnostic apparatus imaging principle demonstration module, an ultrasonic diagnostic apparatus examination interaction experiment module and an examination evaluation module, and the interaction equipment adopts the existing common and mature VR glasses or VR helmets. All can adopt VR equipment to select when involving a plurality of optional selections in a plurality of plates of this teaching system, in the plate is roamed in the hospital, can roam the visual angle through the interactive mode control of VR helmet or VR glasses, cooperate corresponding a whole set of hospital 3D animation model to possess corresponding pronunciation and text instruction explanation and come the omnidirectional understanding hospital overall layout and the administrative or technical offices situation of setting up. Of course, the method can also be realized by directly adopting a mode that a WSAD key on a keyboard controls an interactive visual angle. In order to adapt to the wide environment of 5G popularization, the system is further provided with a 5G communication module and a cloud data memory, and relevant data generated in the use process of the VR-based medical ultrasonic equipment experiment teaching system are stored in real time. The cloud data are analyzed through a big data technology, and the teaching effect of the system is further improved.
Fig. two is a diagram showing an example of a recording interface for registering the teaching system body. The interface has two input boxes including an account number input box, a password input box and a confirmation button, and the next interface can be accessed by clicking confirmation after the account number and the password are input.
FIG. three is an exemplary diagram of a master selection interface of the teaching system module. In this example diagram, alternative modules include: "hospital roaming", "structural composition", "classification and application", "imaging principle", "examination interaction", "examination assessment". Clicking a certain module can enter the interface of the corresponding module.
When a 'hospital roaming' button of the main selection interface is clicked, a hospital roaming block can be accessed, as shown in fig. three and fig. four, 3D models related to the hospital, such as indoor scenes, instruments, interior decorations and related medical equipment, are included in the block, and the advance and retreat of the roaming visual angle are controlled through an external VR helmet or VR glasses, so that the left and right directions are provided with preliminary knowledge of the overall layout and department of the hospital.
The ultrasonic diagnostic apparatus structure composition display module can be entered by clicking the 'structure composition' button of the main selection interface, the module comprises two sub-modules of disassembly and assembly, the structure of the ultrasonic medical equipment is displayed by virtually disassembling and assembling the structure, taking B-ultrasonic as an example, the complete B-ultrasonic instrument is displayed in an initial interface, and the ultrasonic diagnostic apparatus structure display module comprises a probe, an emitting/receiving unit, a digital scanning converter, a display photograph recording system, a panel control system, a keyboard, a power supply device and other structures. When some structures are clicked or selected in other modes, corresponding characters or pictures are matched for explaining outlines, and when an 'assembly' button or a 'disassembly' button is clicked, the assembly and disassembly processes are displayed in a three-dimensional animation mode respectively, so that the overall structure of the B-mode ultrasonic instrument is displayed visually.
Clicking the classification and application of the main selection interface can enter the ultrasonic diagnostic apparatus structure to form a display module, and enter the interface shown in fig. 5, wherein the interface is provided with four pictures, namely an A-type ultrasonic apparatus, a B-type ultrasonic apparatus, an M-type ultrasonic apparatus and a Doppler ultrasonic apparatus. When a certain picture is clicked or selected in other ways, the next interface appears, the principle of the text introduction appears firstly, the type of the ultrasonic wave transmitted by the probe and the main application range can be selected, and corresponding texts and pictures appear for explanation when the main application range is selected.
Clicking the imaging principle of the main selection interface, the structure of the ultrasonic diagnostic apparatus can be entered to form a display module, as shown in fig. 6, the first scene introduces the working principle of the transducer in the probe, as shown in the figure, a complete probe model is displayed first, and a dialog box provides a text description and a confirmation button. The left-most side of the figure is the menu display box where additional modules can be entered or returned to the original interface by clicking. The principle that a second scene can be entered by clicking a confirmation button is that ultrasonic examination is performed, and an operation prompt appears after the display is finished: "this module ends, please select other modules".
Clicking the 'inspection interaction' button of the main selection interface, the ultrasonic diagnostic apparatus inspection interaction experiment module can be entered, and changing the initial interface of the module into a task list comprises the following steps: thyroid scanning, liver scanning and heart scanning, wherein each option comprises four buttons: the patient is received, the scanning training is simulated, the skin is cleaned and the patient is sent away. Clicking 'patient reception', enabling a model of a patient to appear, then enabling an ultrasonic examination application form to appear, filling in patient information according to the application form, firstly enabling the type of a probe to appear, selecting a proper probe, clicking to confirm, then enabling a next interface to appear if the probe is correct, prompting a correct answer if the probe is wrong, and continuing to select the correct answer to conduct the next interface. Then the options of 'lying on back, lying on side, lying on stomach, standing and sitting position' appear, the correct option is selected, then frequency modulation is carried out, and the proper frequency is selected. And (3) an interface for smearing the couplant appears next, a yellow prompt smearing range appears on the interface after the couplant is selected, and then smearing inspection is carried out by moving left and right according to the prompt. After the examination, the patient is wiped with the coupling agent and then taken away. Finally, the inspection report is formatted.
The examination evaluation module of the system can be accessed by clicking an examination evaluation button of the main selection interface, and the initial interface of the examination evaluation module has four options including:
(1) the learning test module analyzes the test data;
(2) a reading experiment of ultrasonic imaging;
(3) an ultrasonic imaging principle and equipment online learning question bank learning experiment;
(4) the ultrasonic imaging principle and the equipment are used for online self-testing experiments.
Clicking one option, entering a corresponding next page, selecting a correct answer through the question and clicking for confirmation; after the answer is selected, the system prompts whether the selected answer is correct or not; after the assessment is finished, the question with the wrong answer is prompted to be listed, the question with the wrong answer can be returned to the option by clicking, and the system can give the correct answer for reference; and finally, the system scores the assessment results and gives overall evaluation.
The invention organically combines the medical image theory, the equipment structure and the laboratory teaching by utilizing the virtual reality simulation teaching mode, and can vividly show the basic structure of the ultrasonic imaging equipment and a simple operation process. Students can learn and train in a virtual environment close to reality, which is helpful for consolidating theoretical knowledge and improving practical and practical ability.
In order to improve the interactivity and operability of the system, the system is based on a CS framework, a UI display module is used in a Unity3D engine, and characters, pictures, input prompt boxes and videos are added to assist in operation.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. Medical ultrasonic equipment experiment teaching system based on VR includes:
the hospital roaming plate is used for displaying the overall layout and the department setting of the hospital, so that a patient can conveniently and quickly know the overall condition of the hospital;
the ultrasonic diagnostic apparatus structure composition display module is used for demonstrating main composition modules of the ultrasonic diagnostic apparatus and the assembly relation among the main composition modules;
the ultrasonic diagnostic apparatus classification demonstration module is used for demonstrating the main classification of the ultrasonic diagnostic apparatus;
the ultrasonic diagnostic apparatus imaging principle demonstration module is used for demonstrating the imaging principle of the ultrasonic diagnostic apparatus;
the ultrasonic diagnostic apparatus examination interactive experiment module is used for simulating a plurality of ultrasonic examination items and making formatted reports;
the examination evaluation module is used for online learning and self-evaluation and online evaluation of the teaching effect of the system;
still include external VR mutual equipment.
2. The VR-based medical ultrasound device experiment teaching system of claim 1, wherein the hospital roaming panel includes a full suite of hospital 3D animated models with corresponding phonetic and textual instructions.
3. The VR-based medical ultrasound device experimental teaching system of claim 1 wherein the ultrasonic diagnostic apparatus structural composition display module includes a disassembly module and an assembly module, each of which includes a 3D model of a main component part of the ultrasonic diagnostic apparatus, a part selection tool, a part movement tool, a part rotation tool, and a corresponding assembly text guide.
4. The VR-based medical ultrasound device experiment teaching system of claim 1, wherein the sonographer classification demonstration module includes a type a sonographer sub-module, a type B sonographer sub-module, an M-type sonographer sub-module, and a doppler sonographer sub-module, each of which includes three tiles of a probe emitted sound wave type, an imaging mechanism, and a primary application range.
5. The VR-based medical ultrasound device experimental teaching system of claim 1, wherein the ultrasonic diagnostic instrument imaging principle demonstration module includes an ultrasonic probe transducer working principle demonstration module and an ultrasonic examination imaging principle demonstration module.
6. The VR-based medical ultrasound device experimental teaching system of claim 5, wherein the ultrasound probe transducer working principle demonstration module includes an ultrasound probe 3D model and corresponding disassembly and assembly text guides.
7. The VR-based medical ultrasound device experimental teaching system of claim 5, wherein the ultrasound examination imaging principles demonstration module includes a human 3D model and a human organ 3D model.
8. The VR-based medical ultrasound device experiment teaching system of claim 1, wherein the ultrasonic diagnostic examination interaction experiment module includes a thyroid scanning sub-module, a liver scanning sub-module, and a heart scanning sub-module, and each sub-module includes four sub-options of patient reception, simulated scanning training, skin cleaning, and patient transport.
9. The VR-based medical ultrasound device experimental teaching system of claim 8, wherein the ultrasound diagnostic exam interactive experiment module further comprises a formatted report preparation module that includes a plurality of customizable options including an ultrasound exam application form, a probe model library, and a couplant.
10. The VR-based medical ultrasound device experimental teaching system of claim 1, wherein the examination assessment module includes a learning test module, an ultrasound imaging reading experiment module, a question bank learning module, and an online self-test module.
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| CN113129659A (en) * | 2021-04-28 | 2021-07-16 | 郭山鹰 | Synchronous teaching device and system |
| CN115132013A (en) * | 2022-07-26 | 2022-09-30 | 北京大学深圳医院 | Medical ultrasonic simulation teaching method and system |
| CN115132013B (en) * | 2022-07-26 | 2023-03-14 | 北京大学深圳医院 | Medical ultrasonic simulation teaching method and system |
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