CN104658394A - Virtual teaching training system for puncture - Google Patents
Virtual teaching training system for puncture Download PDFInfo
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- CN104658394A CN104658394A CN201510077634.1A CN201510077634A CN104658394A CN 104658394 A CN104658394 A CN 104658394A CN 201510077634 A CN201510077634 A CN 201510077634A CN 104658394 A CN104658394 A CN 104658394A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/28—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for medicine
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
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Abstract
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.
Description
Technical field
The present invention relates to medical teaching field, specifically a kind of puncture virtual instruction training system.
Background technology
Virtual reality is that the multiple technologies such as a kind of all round computer graph technology, multimedia technology, sensor technology, human-computer interaction technology, network technology, stereo display technique and emulation technology manufacture manual simulation's environment true to nature, and effectively can simulate the senior human-computer interaction technology of the various sensory perceptual system behaviors of people in physical environment.Virtual environment is normally also controlled by Practical computer teaching, makes the object in user's immersively perception virtual environment, by three dimensional device and the object contact of virtual reality, thus realizes man-machine interaction veritably.
Along with the development of virtual reality technology, the application that medical education is especially relevant in clinical medical education also enjoys various countries to pay close attention to.In virtual environment, virtual human body can be set up
model, by tracker, sensation gloves, each organ structure of inside of human body can be understood easily.Operator can pass through the virtual world of the polyesthesia passage perception computer simulations such as vision, the sense of hearing, sense of smell, sense of touch and acceleration, also computer entry device or peripherals is utilized, virtual environment is entered by language, gesture, real-time, interactive is carried out in virtual environment, and can perception and the various objects in operation virtual environment. and then obtain impression on the spot in person and experience.There are the Related products such as chamber scope, laparoscope, operation on joint simulator abroad, but its application of the price limit of costliness.But, just because of this, also give virtual reality technology development larger at home and universal space.
Puncture is an important content of courses in clinical medical teaching, is also the basic practical skill that student must grasp.For a long time, clinician's many employings mould is imparted knowledge to students, even the mould of tens thousand of unit, during puncture, feel is untrue remains unavoidable, the especially easy loss of mould, limits actual use.
Summary of the invention
The technical problem to be solved in the present invention is, there is provided one highly to emulate, be free from risk, low cost, repeatability and can specific puncture virtual instruction training system, the overall process of energy high fidelity simulation clinical operation operation, can solve the defect of traditional operation hands-on approach completely.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is, a kind of puncture virtual instruction training system, comprise hardware components and software section, wherein, hardware components comprises operating platform, operating platform upwards extending part is provided with supporting construction, supporting construction is provided with dismountable function screen, supporting construction is extended to side control screen, operator's console is still provided with instrument tray, instrument tray is connected with described operator's console by cylindrical stent, software section comprises database, interface alternation, 3D plays up, physical engine, GPU parallel computation collision detection, the emulation of beformable body tissue and script composition.
Hardware in the technical program adopts modularization to arrange, wherein, the supporting construction of operating platform is provided with function screen, be used for showing physical simulation and graph rendering module the true surgical scene simulating out, its picture true to nature allows operator have a kind of sensation on the spot in person, function screen can be dismantled, and is convenient for changing; Supporting construction is provided with control screen, can be used for receiving the steering order of operator; Operator's console is provided with instrument tray, various medicine equipment can be placed above.Software section of the present invention can pass through programming realization, wherein, database can preserve personal information, the training achievement of operator, the information such as case data, examination paper data, interactive interface can provide a personal-machine interaction platform for operator, and operator can by interactive interface by various instruction input system; Three-dimensional model in system can be rendered on display screen by 3D rendering module, to the visual experience that operator is on the spot in person; Physical engine converts the physical characteristics of occurring in nature to control data to pass to force feedback equipment, makes operator have touch feeling on the spot in person; GPU parallel computation can improve system processing speed constantly; Flexible tissue emulation is exactly each histoorgan deformation characteristics in simulated humanbody, can improve fidelity; Script is otherwise known as the language of enlarging, is used for control software design applied logic, improves development efficiency.
The present invention improves further and is, the hardware components of system also comprises Mobile foot stool, Mobile foot stool is arranged at the bottom of described operator's console, described Mobile foot stool is also provided with universal wheel, be convenient to the movement of system like this, can use in different spaces, brake gear can also be provided with on universal wheel, be used for fixing system, be not moved.
The present invention improves further and is, the function screen of system is panel computer, panel computer can disassemble from system, and panel computer can also wirelessly be connected with system, radio operation function makes teaching give lessons, detect guidance become flexibly, simple.
Further improvement of the present invention is, this puncture virtual instruction training system, comprise demonstration pilot teaching pattern, free practice pattern, examination patterns, wherein, demonstration pilot teaching pattern watches the knowwhy of giving lessons of teacher and the operating process of teacher's reality for student; Free practice module, for student's free practice, according to the deficiency of self, strengthens exercise; Examination patterns is that student uses when participating in examination, and under this pattern, system can objectively for the operation of students be appraised.
The present invention is a kind of puncture virtual instruction training system, and specific operation process is as follows:
Step one: preliminary work, needs to prepare which apparatus when simulation doctor punctures, and by three-dimensional simulation technique, Reality simulation apparatus prepares scene, completes by touching interactive mode;
Step 2: markers work, simulation doctor is in the function of patient flower cross mark, and by three-dimensional simulation technique, Reality simulation marker pen, is used amendment Texture Mapping Technology, manikin is drawn, is completed by touch interactive mode;
Step 3: disinfection, simulation doctor completes the function of sterilization of drawing a circle at patient, and by three-dimensional simulation technique, Reality simulation disinfecting cotton swab, is used amendment Texture Mapping Technology, manikin is drawn, is completed by touch interactive mode;
Step 4: drape work, simulation doctor completes the process of drape at patient, by three-dimensional artificial, Reality simulation hole towel, using GPU parallel computation simulation cloth effect, completing by touching interactive mode;
Step 5: local anaesthesia work, simulation doctor completes the function of injection anaesthetic at patient, uses band device for force feedback, the breakthrough sense of simulation inserting needle, perception syringe pulling motion;
Step 6: puncture working, doctor is at patient in simulation, and hand-held puncture needle carries out the function punctured, and uses band device for force feedback, the breakthrough sense of simulation inserting needle;
Step 7: drawing liquid work, simulation doctor completes the function of drawing body fluid at patient, by three-dimensional simulation technique, Reality simulation drawing liquid apparatus, uses amendment Texture Mapping Technology, embodies the change of liquid note in drawing liquid apparatus.
Step 8: censorship work, by three-dimensional simulation technique, Reality simulation censorship process.
Advantage of the present invention utilizes various sensor to provide " feeling of immersion " really to train microenvironment, can repeatedly, devoid of risk training, interactive force feedback system can be provided to the accurate operation feeling of each anatomical layer.
Accompanying drawing explanation
Fig. 1 is hardware schematic diagram of the present invention;
Fig. 2 is software schematic diagram of the present invention;
Fig. 3 is operating diagram of the present invention.
Embodiment
In order to deepen the understanding of the present invention, be described in further detail the present invention below in conjunction with drawings and Examples, this embodiment, only for explaining the present invention, not forming protection scope of the present invention and limiting.
Doctor is the occupation that practicality is very strong, could be on duty through a large amount of practices and experience accumulation.The practical training object of current doctor is mainly following 4 kinds, but all there is obvious defect:
Corpse: cannot reuse, cost is high, and more and more difficult acquisition;
Animal: its institutional framework is different from people, and also cannot reuse, single cost is high.
Above two kinds of methods all need carry out before and after the event transporting, a dead lift, target are fixed, sterilize, the work such as cleaning afterwards, time and effort consuming;
Patient: use patient to carry out practising, take an examination miscreant, once the consequence that has an accident is serious.
Surgical simulation case: this equipment only can be used for the spatial impression under exercise Wicresoft environment, belongs to more elementary training.Such as pick up bean or pea with operating forceps.
The present invention is by medical image, and appliance computer graphics reconstructs virtual human body soft tissue model, simulates virtual medical environment, and utilizes haptic interaction device to carry out mutual surgery systems with it.For doctor provides a virtual 3D environment and can interactive operation platform, the overall process of simulation clinical operation operation true to nature.
Embodiment
As depicted in figs. 1 and 2, a kind of puncture virtual instruction training system, comprise hardware components and software section, wherein, hardware components comprises operating platform, operating platform upwards extending part is provided with supporting construction, supporting construction is provided with dismountable function screen, supporting construction is extended to side control screen, operator's console is still provided with instrument tray, instrument tray is connected with described operator's console by cylindrical stent, software section comprises database, interface alternation, 3D plays up, physical engine, GPU parallel computation collision detection, the emulation of beformable body tissue and script composition.Wherein, the function screen of the present embodiment is panel computer, and panel computer can disassemble from system, and panel computer can also wirelessly be connected with system, radio operation function makes teaching give lessons, detect guidance become flexibly, simple.
As shown in Figure 1, hardware components in the present embodiment also comprises Mobile foot stool, Mobile foot stool is arranged at the bottom of described operator's console, described Mobile foot stool is also provided with universal wheel, be convenient to the movement of system like this, can use in different spaces, brake gear can also be provided with on universal wheel, be used for fixing the present embodiment, be not moved.
In the present embodiment, comprise demonstration pilot teaching pattern, free practice pattern, examination patterns, meet various different teaching and training requirement, wherein, demonstration pilot teaching pattern can make student both can read knowwhy, can see again the practical operation of teacher; Free practice pattern supplies students oneself according to the needs of own situation, free practice; Examination patterns can to student learn grasped knowledge and detect, make counselor recognize the due level of students, more targeted in teaching afterwards, teach students in accordance with their aptitude.
If Fig. 3 is the present embodiment operating diagram, the present embodiment is primarily of " force feedback equipment ", " physical simulation ", " graph rendering " and " medical model " four module composition.Operator is when using native system, first by force feedback equipment module, the position of operating apparatus and angle information etc. are passed to physical simulation module, the real time data that physical simulation module passes over according to the definition of medical model and force feedback equipment, real-time analysis calculates physical model change, and converting to force feedback information passes force feedback equipment back in real time, allow the tactile sense of reality of operator; Physical model change information is passed to graph rendering module by physical simulation module simultaneously, graph rendering module is according to the definition of medical model and physical model change information, calculate the equatorial projection data in three dimensions in real time, eventually through display device, operator is allowed to have the sense of reality of vision.
The real time data of native system when processing medical model and physical model owing to needing calculating a large amount of, the performance of system becomes bottleneck, the calculating advantage of multi-core CPU and GPU to be made full use of for this reason, have employed parallel algorithm in a large number, make Consumer's Experience more smooth, true.
More than show and describe ultimate principle of the present invention, principal character and advantage; the technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (5)
1. a puncture virtual instruction training system, it is characterized in that comprising hardware components and software section, wherein, described hardware components comprises operating platform, described operating platform upwards extending part is provided with supporting construction, described supporting construction is provided with dismountable function screen, described supporting construction is extended to side control screen, described operator's console is still provided with instrument tray, described instrument tray is connected with described operator's console by cylindrical stent, described software section comprises database, interface alternation, 3D plays up, physical engine, GPU parallel computation collision detection, the emulation of beformable body tissue and script composition.
2. puncture virtual instruction training system according to claim 1, it is characterized in that, described hardware components also comprises Mobile foot stool, and described Mobile foot stool is arranged at the bottom of described operator's console, and described Mobile foot stool is also provided with universal wheel.
3. puncture virtual instruction training system according to claim 2, is characterized in that, described function screen is panel computer.
4. puncture virtual instruction training system according to claim 3, is characterized in that, this system comprises demonstration pilot teaching pattern, free practice pattern, examination patterns.
5. puncture a virtual instruction training method, it is characterized in that using the puncture virtual instruction training system as described in any one of claim 1-4, it is characterized in that, comprise the steps:
Step one: preliminary work, by three-dimensional simulation technique, Reality simulation apparatus prepares scene, completes by touching interactive mode; Step 2: markers work, by three-dimensional simulation technique, Reality simulation marker pen, is used amendment Texture Mapping Technology, manikin is drawn, is completed by touch interactive mode; Step 3: disinfection, by three-dimensional simulation technique, Reality simulation disinfecting cotton swab, is used amendment Texture Mapping Technology, manikin is drawn, is completed by touch interactive mode; Step 4: drape work; By three-dimensional artificial, Reality simulation hole towel, using GPU parallel computation simulation cloth effect, completing by touching interactive mode; Step 5: local anaesthesia work, uses band device for force feedback, the breakthrough sense of simulation inserting needle, perception syringe pulling motion; Step 6: puncture working, uses band device for force feedback, the breakthrough sense of simulation inserting needle; Step 7: drawing liquid work, by three-dimensional simulation technique, Reality simulation drawing liquid apparatus, uses amendment Texture Mapping Technology, embodies the change of liquid note in drawing liquid apparatus; Step 8: censorship work, by three-dimensional simulation technique, Reality simulation censorship process.
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| CN201510077634.1A CN104658394A (en) | 2015-02-13 | 2015-02-13 | Virtual teaching training system for puncture |
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| CN201510077634.1A CN104658394A (en) | 2015-02-13 | 2015-02-13 | Virtual teaching training system for puncture |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105608945A (en) * | 2016-03-04 | 2016-05-25 | 南昌大学 | Immersion-type self-adaptive pose virtual surgery training platform |
| CN105654830A (en) * | 2016-03-21 | 2016-06-08 | 苏州敏行医学信息技术有限公司 | Puncture simulation device and puncture simulation method |
| CN105719526A (en) * | 2016-03-14 | 2016-06-29 | 哈尔滨理工大学 | Sunk cord eyebrow lifting plastic surgery simulation system based on force feedback |
| CN105786190A (en) * | 2016-05-04 | 2016-07-20 | 北京大学 | Three-dimensional virtual interaction system |
| CN106023758A (en) * | 2016-07-11 | 2016-10-12 | 武汉湾流科技股份有限公司 | Puncture simulation training device and puncture simulation training method |
| CN106991888A (en) * | 2017-05-05 | 2017-07-28 | 广东医科大学 | A kind of training of intravenous injection system based on VR platforms |
| CN107341985A (en) * | 2017-05-03 | 2017-11-10 | 上海大学 | A kind of virtual angiogram operation force feedback injection device |
| WO2017201744A1 (en) * | 2016-05-27 | 2017-11-30 | 孙生强 | Virtual medical operation teaching practice system |
| CN107808555A (en) * | 2017-10-31 | 2018-03-16 | 上海九想数字科技有限公司 | Interactive augment reality medical science training checking system based on cloud computing |
| CN108803872A (en) * | 2018-05-08 | 2018-11-13 | 上海嘉奥信息科技发展有限公司 | The plug-in system of force feedback hardware is called in illusory engine |
| CN108829922A (en) * | 2018-05-04 | 2018-11-16 | 苏州敏行医学信息技术有限公司 | Puncture drape process modeling approach and system in virtual instruction training system |
| CN109003497A (en) * | 2018-07-19 | 2018-12-14 | 苏州敏行医学信息技术有限公司 | airway management training method and system |
| CN110796942A (en) * | 2019-11-19 | 2020-02-14 | 中国医学科学院北京协和医院 | Anatomical map patch, manufacturing method thereof and method for forming human anatomical structure pattern |
| CN111061375A (en) * | 2019-12-25 | 2020-04-24 | 上海褚信医学科技有限公司 | Intelligent disinfection training method and equipment based on virtual surgery |
| CN112101282A (en) * | 2020-09-25 | 2020-12-18 | 北京瞰天科技有限公司 | Aquatic target identification method and device, electronic equipment and storage medium |
| CN112289120A (en) * | 2020-11-18 | 2021-01-29 | 上海昕触信息科技有限公司 | Holographic immersive haptic interactive practical training system |
| CN114373347A (en) * | 2020-12-15 | 2022-04-19 | 西安赛德欧医疗研究院有限公司 | Intelligent high-simulation training system for whole-organ surgery |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105608945B (en) * | 2016-03-04 | 2018-07-20 | 南昌大学 | A kind of adaptive pose virtual operation training platform of immersion |
| CN105608945A (en) * | 2016-03-04 | 2016-05-25 | 南昌大学 | Immersion-type self-adaptive pose virtual surgery training platform |
| CN105719526A (en) * | 2016-03-14 | 2016-06-29 | 哈尔滨理工大学 | Sunk cord eyebrow lifting plastic surgery simulation system based on force feedback |
| CN105654830A (en) * | 2016-03-21 | 2016-06-08 | 苏州敏行医学信息技术有限公司 | Puncture simulation device and puncture simulation method |
| CN105786190A (en) * | 2016-05-04 | 2016-07-20 | 北京大学 | Three-dimensional virtual interaction system |
| CN105786190B (en) * | 2016-05-04 | 2019-04-26 | 北京三十四科技有限公司 | A kind of three-dimensional interactive system |
| WO2017201744A1 (en) * | 2016-05-27 | 2017-11-30 | 孙生强 | Virtual medical operation teaching practice system |
| CN106023758A (en) * | 2016-07-11 | 2016-10-12 | 武汉湾流科技股份有限公司 | Puncture simulation training device and puncture simulation training method |
| CN107341985A (en) * | 2017-05-03 | 2017-11-10 | 上海大学 | A kind of virtual angiogram operation force feedback injection device |
| CN107341985B (en) * | 2017-05-03 | 2019-08-06 | 上海大学 | A kind of virtual angiography operation force feedback injection device |
| CN106991888A (en) * | 2017-05-05 | 2017-07-28 | 广东医科大学 | A kind of training of intravenous injection system based on VR platforms |
| CN107808555A (en) * | 2017-10-31 | 2018-03-16 | 上海九想数字科技有限公司 | Interactive augment reality medical science training checking system based on cloud computing |
| CN108829922A (en) * | 2018-05-04 | 2018-11-16 | 苏州敏行医学信息技术有限公司 | Puncture drape process modeling approach and system in virtual instruction training system |
| CN108803872A (en) * | 2018-05-08 | 2018-11-13 | 上海嘉奥信息科技发展有限公司 | The plug-in system of force feedback hardware is called in illusory engine |
| CN108803872B (en) * | 2018-05-08 | 2021-07-27 | 上海嘉奥信息科技发展有限公司 | Plug-in system for invoking force feedback hardware in illusion engine |
| CN109003497A (en) * | 2018-07-19 | 2018-12-14 | 苏州敏行医学信息技术有限公司 | airway management training method and system |
| CN110796942A (en) * | 2019-11-19 | 2020-02-14 | 中国医学科学院北京协和医院 | Anatomical map patch, manufacturing method thereof and method for forming human anatomical structure pattern |
| CN110796942B (en) * | 2019-11-19 | 2021-11-02 | 中国医学科学院北京协和医院 | Anatomical map patch, manufacturing method thereof and method for forming human anatomical structure pattern |
| CN111061375A (en) * | 2019-12-25 | 2020-04-24 | 上海褚信医学科技有限公司 | Intelligent disinfection training method and equipment based on virtual surgery |
| CN111061375B (en) * | 2019-12-25 | 2023-08-01 | 上海褚信医学科技有限公司 | Intelligent disinfection training method and equipment based on virtual operation |
| CN112101282A (en) * | 2020-09-25 | 2020-12-18 | 北京瞰天科技有限公司 | Aquatic target identification method and device, electronic equipment and storage medium |
| CN112101282B (en) * | 2020-09-25 | 2024-04-26 | 北京瞰天科技有限公司 | Water target identification method and device, electronic equipment and storage medium |
| CN112289120A (en) * | 2020-11-18 | 2021-01-29 | 上海昕触信息科技有限公司 | Holographic immersive haptic interactive practical training system |
| CN114373347A (en) * | 2020-12-15 | 2022-04-19 | 西安赛德欧医疗研究院有限公司 | Intelligent high-simulation training system for whole-organ surgery |
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