CN108550310A - A kind of CPR simulated training method and system based on virtual reality technology - Google Patents
A kind of CPR simulated training method and system based on virtual reality technology Download PDFInfo
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Abstract
The CPR simulated training method and system based on virtual reality technology that the present invention relates to a kind of, method include pressing CPR model, and acquire cardiopulmonary pressing parameter information；The variation tendency that parameter information is pressed according to the cardiopulmonary generates recovery characteristic information；Corresponding cardiopulmonary image animation is generated according to the recovery characteristic information, and carries out Projection Display, completes simulation CPR.The CPR simulated training method based on virtual reality technology of the present invention, parameter information is pressed by acquiring cardiopulmonary, and it presses parameter information according to the cardiopulmonary and generates recovery characteristic information, then cardiopulmonary image animation is obtained according to recovery characteristic information, and Projection Display, the effect of cardiopulmonary resuscitation implementation can intuitively be observed, the state and process for realizing simulative display CPR are intuitively changed, are visualized, the technical ability that CPR is fast and accurately grasped convenient for practice personnel, improves learning efficiency.
Description
Technical field
The present invention relates to augmented reality field more particularly to a kind of CPR simulations based on virtual reality technology
Training method and system.
Background technology
Cardiopulmonary resuscitation is the first time first aid aid after heart arrest occurs, and what cardiopulmonary resuscitation was implemented just truly has directly
Quality of life after image to the success of cardiopulmonary resuscitation rate of patient and recovery.It is mainly about the research of cardiopulmonary resuscitation at present
Clinical test and zoopery, and to the teaching process of student and when popularized to the masses, mainly by adopting
It is demonstrated with text exhibition and physical model.
But during imparting knowledge to students and is universal, if using clinical test or zoopery, in this way, not only consuming huge
Big time, space and money, and against ethics, in addition, if demonstrated only with text exhibition and physical model, this
By cannot it is intuitive/show the effect that implemented cardiopulmonary resuscitation reaches immediately.
Invention content
The technical problem to be solved by the present invention is to solve the above shortcomings of the prior art and to provide one kind being based on virtual reality
The CPR simulated training method and system of technology.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of CPR mould based on virtual reality technology
Quasi- training method, includes the following steps：
Step 1：CPR model is pressed, and acquires cardiopulmonary pressing parameter information；
Step 2：The variation tendency that parameter information is pressed according to the cardiopulmonary generates recovery characteristic information；
Step 3：Corresponding cardiopulmonary image animation is generated according to the recovery characteristic information, and carries out Projection Display, completes simulation
CPR.
The beneficial effects of the invention are as follows：The CPR simulated training method based on virtual reality technology of the present invention is led to
Pressing CPR model is crossed, and acquires cardiopulmonary pressing parameter information, pressing parameter information according to the cardiopulmonary generates recovery spy
Reference ceases, and then obtains cardiopulmonary image animation, and Projection Display according to recovery characteristic information, can intuitively observe CPR
The effect that art is implemented realizes that the state of simulative display CPR and process are intuitively changed, visualized, and advantageous operator entangles immediately
Mistake fast and accurately grasps the technical ability of CPR convenient for practice personnel, improves learning efficiency.
Based on the above technical solution, the present invention can also be improved as follows：
Further：The step 2 is implemented as：
Step 21：Parameter information, which is pressed, according to the cardiopulmonary reads the cardiopulmonary pressing parameter value；
Step 22：Parameter value, which is pressed, according to the cardiopulmonary obtains the variation tendency and variation frequency that the cardiopulmonary press parameter value respectively
Rate；
Step 22：Parameter value is pressed according to the cardiopulmonary, cardiopulmonary press the variation tendency of parameter value and cardiopulmonary pressing parameter value becomes
Change frequency and generates recovery characteristic information.
The advantageous effect of above-mentioned further scheme is：Pressing parameter information by the cardiopulmonary can accurately go to read cardiopulmonary
The variation tendency and change frequency for pressing parameter value and cardiopulmonary pressing parameter value, to accurately obtain During Cardiopulmonary Resuscitation
In recovery characteristic information realize cardiopulmonary convenient for subsequently obtaining corresponding cardiopulmonary image animation according to the recovery characteristic information
The accurate simulation of recovery.
Further：The step 3 is implemented as：
Step 31：The change of the cardiopulmonary pressing parameter value, cardiopulmonary pressing parameter value is read according to the recovery eigenvector information
The change frequency of change trend and cardiopulmonary pressing parameter value generates recovery eigenvector information；
Step 32：Parameter value is pressed according to the cardiopulmonary and inquires pre-set according to pressing depth table, and it is deep to read corresponding pressing
Angle value presses parameter value variation trend according to the cardiopulmonary and generates blood flow direction；Parameter value variation frequency is pressed according to the cardiopulmonary
Rate calculates compression frequency；
Step 33：Corresponding blood flow image animation is generated according to the according to pressing depth value, blood flow direction and compression frequency production, and
Carry out Projection Display.
The advantageous effect of above-mentioned further scheme is：Pressing parameter value by the cardiopulmonary can accurately obtain according to pressing depth
The change frequency of value and the variation tendency and cardiopulmonary pressing parameter value of cardiopulmonary pressing parameter value, so as to accurate
Judge direction and the blood flow velocity of blood flow, and can accurately simulate the blood flow image animation in During Cardiopulmonary Resuscitation, imitates
True degree is higher.
Further：The step 33 is implemented as：
Step 331：It is inquired in preset blood flow image picture information table according to the according to pressing depth value, blood flow direction corresponding
Blood flow image picture information；
Step 332：Switch the blood flow image picture according to the compression frequency, forms blood flow image animation, and projected
Display.
The advantageous effect of above-mentioned further scheme is：By it is described according to pressing depth value, blood flow direction can be in preset blood
Corresponding single frames blood flow image picture information is inquired in stream image picture information table, then according to pressing depth according to compression frequency switching
Switch the corresponding blood flow image picture with blood flow direction, to realize the dynamic play of blood flow image, simulation effect is true to nature,
Be conducive to practice personnel accurately to perceive.
Further：The step 3 further includes following steps：
Step 34a：According to pressing depth it is worth the inquiry cardiac imaging pictorial information in cardiac imaging pictorial information table according to described, according to
The compression frequency switches the cardiac imaging pictorial information, forms cardiac imaging animation, and carry out Projection Display.
The advantageous effect of above-mentioned further scheme is：Cardiac imaging pictorial information is obtained by being according to pressing depth worth, and according to
The compression frequency switches the cardiac imaging pictorial information, and the Dynamic Announce of cardiac imaging may be implemented, and simulates CPR
Heartbeat in the process, simulation effect is true to nature, is conducive to practice personnel and accurately perceives.
Further：The step 3 further includes following steps：
Step 34b：According to pressing depth it is worth the inquiry thoracic cavity cross section image in the image picture information table of thoracic cavity cross section according to described
Pictorial information switches thoracic cavity cross section image picture according to the compression frequency, and the image before and after formation chest compression is dynamic
It draws, and carries out Projection Display.
The advantageous effect of above-mentioned further scheme is：Thoracic cavity cross section image picture information is obtained by being according to pressing depth worth,
And the thoracic cavity cross section image picture information is switched according to the compression frequency, it can realize chest compression from the angle in section
Dynamic Announce, intuitively watch push action in CPR operating process from the cross section in thoracic cavity convenient for practice personnel
Real-time change, more accurately it is judicious according to pressing depth and amplitude.
Further：The step 1 further includes：
Acquire artificial respiration parameter information；
The step 3 further includes：
Step 34c：According to the air-blowing quantity in the artificial respiration parameter information lung image is inquired in lung images information table
Pictorial information switches the lung image pictorial information according to the artificial respiration frequency, forms lung image animation, and projected
Display；
The artificial respiration parameter information includes air-blowing quantity and breathing rate.
The advantageous effect of above-mentioned further scheme is：By acquiring artificial respiration parameter information, and manually exhaled according to described
The air-blowing quantity inhaled in parameter information obtains real-time lung image pictorial information, so as to realize lung's shadow when artificial respiration
As Dynamic Announce, the operation of oneself is corrected according to dynamic lung image convenient for practice personnel, is improved learning efficiency.
Further：The CPR simulated training method based on virtual reality technology further includes following steps：
Step 4：Parameter information is pressed according to the cardiopulmonary and obtains pressing wavy curve, or according to the artificial respiration parameter information
Artificial respiration wavy curve is obtained, and carries out Projection Display.
The advantageous effect of above-mentioned further scheme is：Parameter information, which is pressed, by the cardiopulmonary obtains pressing wavy curve,
And artificial respiration wavy curve is obtained according to the artificial respiration parameter information, it can accurately show CPR model
Rule and simulative display artificial respiration rule are pressed, is referred to convenient for practice personnel, and according to the pressing wavy curve and people
Work inhales the wavy curve adjustment pressing frequency and pressing dynamics, to realize different CPR simulated effects.
Further：The step 4 is implemented as：
Step 41：Read the cardiopulmonary every setting time interval and press parameter value, and according to the cardiopulmonary press parameter value and
Its corresponding acquisition time point, which generates, presses corrugating array：
Or, read the artificial respiration parameter letter value every setting time interval, and according to the artificial respiration parameter value and its
Corresponding acquisition time point generates artificial respiration waveform array；
Step 42：According to described by corrugating array structure pressing wavy curve, and carry out Projection Display；
Or, building artificial respiration wavy curve according to the artificial respiration waveform array, and carry out Projection Display.
The advantageous effect of above-mentioned further scheme is：Parameter value and its corresponding acquisition time point are pressed by the cardiopulmonary
Waveform array is generated, the pressing wavy curve of CPR model can be accurately generated, to realize to CPR model
Pressing monitoring；Waveform array is generated by the artificial respiration parameter letter value and its corresponding acquisition time point, it can be accurate
Generation CPR model artificial respiration curve, the artificial respiration of CPR model is monitored to realize.
The present invention also provides a kind of CPR simulated training system based on virtual reality technology, including acquisition mould
Block, characteristic information module and image module；The acquisition module for pressing CPR model, and acquires cardiopulmonary pressing ginseng
Number information；The characteristic information module, the variation tendency for pressing parameter information according to the cardiopulmonary generate recovery feature letter
Breath；The image module, for generating corresponding cardiopulmonary image animation according to the recovery characteristic information, and it is aobvious to carry out projection
Show, completes simulation CPR.
The CPR simulated training system based on virtual reality technology of the present invention acquires cardiopulmonary by acquisition module and presses
Parameter information, the characteristic information module is pressed to press parameter information according to the cardiopulmonary and generate recovery characteristic information, then basis
Projection module obtains cardiopulmonary image animation, and Projection Display according to recovery characteristic information, can intuitively observe cardiopulmonary resuscitation
The effect of implementation realizes that the state of simulative display CPR and process are intuitively changed, visualized, quick convenient for practice personnel, accurate
The technical ability of true grasp CPR, improves learning efficiency.
The present invention also provides a kind of computer storage medias, are stored thereon with computer program, the computer program
When being executed by processor, the CPR simulated training method based on virtual reality technology is realized.
Description of the drawings
Fig. 1 is the CPR simulated training method flow schematic diagram based on virtual reality technology of the present invention；
Fig. 2 is the CPR simulated training system structural schematic diagram based on virtual reality technology of the present invention.
Specific implementation mode
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in Figure 1, a kind of CPR simulated training method based on virtual reality technology, includes the following steps：
Step 1：CPR model is pressed, and acquires cardiopulmonary pressing parameter information；
Step 2：The variation tendency that parameter information is pressed according to the cardiopulmonary generates recovery characteristic information；
Step 3：Corresponding cardiopulmonary image animation is generated according to the recovery characteristic information, and carries out Projection Display, completes simulation
CPR.
The CPR simulated training method based on virtual reality technology of the present invention presses parameter letter by acquiring cardiopulmonary
Breath, and press parameter information according to the cardiopulmonary and generate recovery characteristic information, cardiopulmonary shadow is then obtained according to recovery characteristic information
Picture animation, and Projection Display, can intuitively observe the effect of cardiopulmonary resuscitation implementation, realize the shape of simulative display CPR
State and process are intuitively changed, are visualized, and the technical ability of CPR is fast and accurately grasped convenient for practice personnel, is improved learning efficiency.
In the above-described embodiments, the step 2 is implemented as：
Step 21：Parameter information, which is pressed, according to the cardiopulmonary reads the cardiopulmonary pressing parameter value；
Step 22：Parameter value, which is pressed, according to the cardiopulmonary obtains the variation tendency and variation frequency that the cardiopulmonary press parameter value respectively
Rate；
Step 22：Parameter value is pressed according to the cardiopulmonary, cardiopulmonary press the variation tendency of parameter value and cardiopulmonary pressing parameter value becomes
Change frequency and generates recovery characteristic information.
Pressing parameter information by the cardiopulmonary can accurately go to read cardiopulmonary pressing parameter value and cardiopulmonary pressing parameter
The variation tendency and change frequency of value are convenient for follow-up root to accurately obtain the recovery characteristic information in During Cardiopulmonary Resuscitation
Corresponding cardiopulmonary image animation is obtained according to the recovery characteristic information, realizes the accurate simulation of CPR.
Preferably, in the above-described embodiments, the step 3 is implemented as：
Step 31：The change of the cardiopulmonary pressing parameter value, cardiopulmonary pressing parameter value is read according to the recovery eigenvector information
The change frequency of change trend and cardiopulmonary pressing parameter value generates recovery eigenvector information；
Step 32：Parameter value is pressed according to the cardiopulmonary and inquires pre-set according to pressing depth table, and it is deep to read corresponding pressing
Angle value presses parameter value variation trend according to the cardiopulmonary and generates blood flow direction；Parameter value variation frequency is pressed according to the cardiopulmonary
Rate calculates compression frequency；
Step 33：Corresponding blood flow image animation is generated according to the according to pressing depth value, blood flow direction and compression frequency production, and
Carry out Projection Display.
It presses parameter value by the cardiopulmonary and can accurately obtain and be according to pressing depth worth and the cardiopulmonary press parameter value
The change frequency of variation tendency and cardiopulmonary pressing parameter value, so as to accurately judge direction and the blood flow velocity of blood flow,
And the blood flow image animation in During Cardiopulmonary Resuscitation can be accurately simulated, emulator is higher.
Specifically, acquisition can be corresponded to according to the size of cardiopulmonary pressing parameter value to be according to pressing depth worth.In practice, in order to
The preferably whole process of display CPR, is provided with the blood vessel to match with structoure of the human body in CPR model, when
When cardiopulmonary pressing parameter value is not zero, there is blood flow flowing in vascular surface, and determine according to the size of the pressure parameter value
According to pressing depth with corresponding blood flow velocity.Preferably, intravascular blood flow velocity can be indicated by adjusting the color of blood vessel
Size.For example, when the pressure parameter value is in the preset range of setting, show that intravascular blood flow is light red；When the pressure
When parameter value is beyond the preset range set, show that intravascular blood flow is peony.
In addition, different time points obtain the cardiopulmonary pressing parameter value within the sampling period of setting, and judge that cardiopulmonary are pressed
The variation tendency for pressing parameter value then may determine that thoracic cavity is in contraction or expansion state, CPR can be obtained so as to correspondence
The direction of blood flow in model medium vessels.
In addition, the change frequency that the cardiopulmonary press parameter value can be obtained by pressing parameter value by the cardiopulmonary, to
The frequency for obtaining pressing, it is synchronous with pressing convenient for the blood flow situation of change in CPR model.
Specifically, in above preferred embodiment, the step 33 is implemented as：
Step 331：According to it is described according to pressing depth value with blood flow direction in preset blood flow image picture information table inquiry is corresponding
Blood flow image picture information；
Step 332：Switch the blood flow image picture according to the compression frequency, forms blood flow image animation, and projected
Display.
It can be inquired in preset blood flow image picture information table by the according to pressing depth value, blood flow direction corresponding
Then single frames blood flow image picture information according to pressing depth switches the corresponding blood flow according to compression frequency switching with blood flow direction
Image picture, to realize the dynamic play of blood flow image, simulation effect is true to nature, is conducive to practice personnel and accurately perceives.
In practice, according to pressing depth it is worth blood flow image picture information storage corresponding with blood flow direction in blood flow by different in advance
Image picture information table then can be from the blood flow image picture information table when obtaining according to pressing depth value and blood flow direction
Inquire corresponding blood flow image picture information.Certainly, the precision being according to pressing depth worth can be adjusted according to actual conditions, be
The effect for ensureing high emulation, needs the higher according to pressing depth value of precision and corresponding blood flow image picture information.
Optionally, in the above-described embodiments, the step 3 further includes following steps：
Step 34a：According to pressing depth it is worth the inquiry cardiac imaging pictorial information in cardiac imaging pictorial information table according to described, according to
The compression frequency switches the cardiac imaging pictorial information, forms cardiac imaging animation, and carry out Projection Display.
Cardiac imaging pictorial information is obtained by being according to pressing depth worth, and the cardiac imaging is switched according to the compression frequency
The Dynamic Announce of cardiac imaging may be implemented in pictorial information, simulates the heartbeat in During Cardiopulmonary Resuscitation, and simulation effect is forced
Very, be conducive to practice personnel accurately to perceive.
Optionally, in the above-described embodiments, the step 3 further includes following steps：
Step 34b：According to pressing depth it is worth the inquiry thoracic cavity cross section image in the image picture information table of thoracic cavity cross section according to described
Pictorial information switches thoracic cavity cross section image picture according to the compression frequency, and the image before and after formation chest compression is dynamic
It draws, and carries out Projection Display.
Thoracic cavity cross section image picture information is obtained by being according to pressing depth worth, and the chest is switched according to the compression frequency
Chamber cross section image picture information can realize the Dynamic Announce of chest compression from the angle in section, be convenient for practice personnel from chest
Real-time change of the push action in CPR operating process, more accurate correct judgment are intuitively watched in the cross section of chamber
According to pressing depth and amplitude.
Optionally, in the above-described embodiments, the step 1 further includes：
Acquire artificial respiration parameter information；
The step 3 further includes：
Step 34c：According to the air-blowing quantity in the artificial respiration parameter information lung image is inquired in lung images information table
Pictorial information switches the lung image pictorial information according to the artificial respiration frequency, forms lung image animation, and projected
Display；
The artificial respiration parameter information includes air-blowing quantity and breathing rate.
It is obtained in real time by acquiring artificial respiration parameter information, and according to the air-blowing quantity in the artificial respiration parameter information
Lung image pictorial information, so as to realize lung image Dynamic Announce when artificial respiration, convenient for practice personnel according to
Dynamic lung image corrects the operation of oneself, improves learning efficiency.
Preferably, in the above-described embodiments, the CPR simulated training method based on virtual reality technology is also wrapped
Include following steps：
Step 4：Parameter information is pressed according to the cardiopulmonary and obtains pressing wavy curve, or according to the artificial respiration parameter information
Artificial respiration wavy curve is obtained, and carries out Projection Display.
Parameter information is pressed by the cardiopulmonary and obtains pressing wavy curve, and according to the artificial respiration parameter information
Artificial respiration wavy curve is obtained, can accurately show that the pressing rule of CPR model and simulative display are manually exhaled
Inhale rule, referred to convenient for practice personnel, and according to the pressing wavy curve and it is artificial inhale the wavy curve adjustment pressing frequency with
Pressing dynamics, to realize different CPR simulated effects.
Specifically, in above preferred embodiment, the step 4 is implemented as：
Step 41：Read the cardiopulmonary every setting time interval and press parameter value, and according to the cardiopulmonary press parameter value and
Its corresponding acquisition time point, which generates, presses corrugating array：
Or, read the artificial respiration parameter letter value every setting time interval, and according to the artificial respiration parameter value and its
Corresponding acquisition time point generates artificial respiration waveform array；
Step 42：According to described by corrugating array structure pressing wavy curve, and carry out Projection Display；
Or, building artificial respiration wavy curve according to the artificial respiration waveform array, and carry out Projection Display.
Parameter value is pressed by the cardiopulmonary and its corresponding acquisition time point generates waveform array, can accurately be generated
The pressing wavy curve of CPR model, to realize that the pressing to CPR model monitors；Pass through the artificial respiration
Parameter letter value and its corresponding acquisition time point generate waveform array, can accurately generate the artificial respiration of CPR model
Curve, to realize that the artificial respiration to CPR model monitors.
It should be pointed out that in the present invention, using untiy3D platforms virtual camera by the cardiopulmonary image animation（Including
Blood flow, heartbeat, by corrugating etc.）Rectangular projection is shown over the display.
As shown in Fig. 2, the present invention also provides a kind of CPR simulated training system based on virtual reality technology, packet
Include acquisition module, characteristic information module and image module；The acquisition module for pressing CPR model, and acquires the heart
Lung presses parameter information；The characteristic information module, the variation tendency for pressing parameter information according to the cardiopulmonary generate multiple
Soviet Union's characteristic information；The image module for generating corresponding cardiopulmonary image animation according to the recovery characteristic information, and carries out
Projection Display completes simulation CPR.
The CPR simulated training system based on virtual reality technology of the present invention acquires cardiopulmonary by acquisition module and presses
Parameter information, the characteristic information module is pressed to press parameter information according to the cardiopulmonary and generate recovery characteristic information, then basis
Projection module obtains cardiopulmonary image animation, and Projection Display according to recovery characteristic information, can intuitively observe cardiopulmonary resuscitation
The effect of implementation realizes that the state of simulative display CPR and process are intuitively changed, visualized, quick convenient for practice personnel, accurate
The technical ability of true grasp CPR, improves learning efficiency.
In the above-described embodiments, the characteristic information module is specifically used for：
Parameter information, which is pressed, according to the cardiopulmonary reads the cardiopulmonary pressing parameter value；
Parameter value, which is pressed, according to the cardiopulmonary obtains the variation tendency and change frequency that the cardiopulmonary press parameter value respectively；
Parameter value is pressed according to the cardiopulmonary, cardiopulmonary press the variation tendency of parameter value and cardiopulmonary pressing parameter value variation frequency is given birth to
At recovery characteristic information.
Pressing parameter information by the cardiopulmonary can accurately go to read cardiopulmonary pressing parameter value and cardiopulmonary pressing parameter
The variation tendency and change frequency of value are convenient for follow-up root to accurately obtain the recovery characteristic information in During Cardiopulmonary Resuscitation
Corresponding cardiopulmonary image animation is obtained according to the recovery characteristic information, realizes the accurate simulation of CPR.
In the above-described embodiments, the image module is specifically used for：
Read cardiopulmonary pressing parameter value according to the recovery eigenvector information, cardiopulmonary press parameter value variation tendency and
The change frequency that cardiopulmonary press parameter value generates recovery eigenvector information；
Press parameter value according to the cardiopulmonary and inquire pre-set according to pressing depth table, and read it is corresponding be according to pressing depth worth, root
Blood flow direction is generated according to cardiopulmonary pressing parameter value variation trend；The calculating of parameter value variation frequency is pressed according to the cardiopulmonary to press
Voltage-frequency rate；
Corresponding blood flow image animation is generated according to the according to pressing depth value, blood flow direction and compression frequency production, and is thrown
Shadow is shown.
It presses parameter value by the cardiopulmonary and can accurately obtain and be according to pressing depth worth and the cardiopulmonary press parameter value
The change frequency of variation tendency and cardiopulmonary pressing parameter value, so as to accurately judge direction and the blood flow velocity of blood flow,
And the blood flow image animation in During Cardiopulmonary Resuscitation can be accurately simulated, emulator is higher.
Preferably, in the above-described embodiments, the image module is according to pressing depth worth according to, blood flow direction is preset
Corresponding blood flow image picture information is inquired in blood flow image picture information table, and the blood flow is being switched according to the compression frequency
Image picture forms blood flow image animation, and carries out Projection Display.
It can be inquired in preset blood flow image picture information table by the according to pressing depth value, blood flow direction corresponding
Then single frames blood flow image picture information according to pressing depth switches the corresponding blood flow according to compression frequency switching with blood flow direction
Image picture, to realize the dynamic play of blood flow image, simulation effect is true to nature, is conducive to practice personnel and accurately perceives.
Optionally, in the above-described embodiments, the projection module is additionally operable to：According to pressing depth it is worth in cardiac imaging according to described
Cardiac imaging pictorial information is inquired in pictorial information table, and the cardiac imaging pictorial information, shape are switched according to the compression frequency
At cardiac imaging animation, and carry out Projection Display.
Cardiac imaging pictorial information is obtained by being according to pressing depth worth, and the cardiac imaging is switched according to the compression frequency
The Dynamic Announce of cardiac imaging may be implemented in pictorial information, simulates the heartbeat in During Cardiopulmonary Resuscitation, and simulation effect is forced
Very, be conducive to practice personnel accurately to perceive.
Optionally, in the above-described embodiments, the projection module is additionally operable to：According to pressing depth it is worth in heart section according to described
Heart cross sectional images pictorial information is inquired in image picture information table, and the heart cross sectional images are switched according to the compression frequency
Picture forms heartbeat image animation, and carries out Projection Display.
Heart cross sectional images pictorial information is obtained by being according to pressing depth worth, and the heart is switched according to the compression frequency
Cross sectional images pictorial information can realize the Dynamic Announce of cardiac imaging from the angle in section, be convenient for practice personnel from heart
Bounce of the heart in During Cardiopulmonary Resuscitation is intuitively watched in section, more accurately perceives the amplitude of heartbeat.
Preferably, in the above-described embodiments, the projection module is additionally operable to：
Parameter information is pressed according to the cardiopulmonary and obtains pressing wavy curve, and carries out Projection Display.It is pressed by the cardiopulmonary
Parameter information obtains pressing wavy curve, can accurately show the pressing rule of CPR model, joins convenient for practice personnel
It examines, and the pressing frequency and pressing dynamics is adjusted according to the pressing wavy curve, to realize that different CPR emulates effect
Fruit.
Specifically, the projection module reads the cardiopulmonary every setting time interval and presses parameter value, and according to described
Cardiopulmonary press parameter value and its corresponding acquisition time point generates waveform array, and corrugating is pressed further according to waveform array structure
Curve, and carry out Projection Display.
Parameter value is pressed by the cardiopulmonary and its corresponding acquisition time point generates waveform array, can accurately be generated
The pressing wavy curve of CPR model, to realize that the pressing to CPR model monitors.
The CPR simulated training system based on virtual reality technology of the present invention can allow student true in simulation
First aid scene, carry out the practical hands-on of CPR.It is multiple that a correct cardiopulmonary are completed by vision, the sense of hearing and tactile
Soviet Union's process, the mistake in VR training system energy immediate feedbacks operation, the advantageous instant error correction of operator.The present invention's is showed based on virtual
The CPR simulated training system of real technology can accurately measure every vital sign of simulation people, and trainer can be fast
Speed, the technical ability of correct study to CPR, during these technical ability being effectively transformed into actual CPR rescue,
Improve CPR salvage success rate.
The present invention also provides a kind of computer storage medias, are stored thereon with computer program, the computer program
When being executed by processor, the CPR simulated training method based on virtual reality technology is realized.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of CPR simulated training method based on virtual reality technology, which is characterized in that include the following steps：
Step 1：CPR model is pressed, and acquires cardiopulmonary pressing parameter information；
Step 2：The variation tendency that parameter information is pressed according to the cardiopulmonary generates recovery characteristic information；
Step 3：Corresponding cardiopulmonary image animation is generated according to the recovery characteristic information, and carries out Projection Display, completes simulation
CPR.
2. the CPR simulated training method according to claim 1 based on virtual reality technology, which is characterized in that institute
State being implemented as step 2：
Step 21：Parameter information, which is pressed, according to the cardiopulmonary reads the cardiopulmonary pressing parameter value；
Step 22：Parameter value, which is pressed, according to the cardiopulmonary obtains the variation tendency and variation frequency that the cardiopulmonary press parameter value respectively
Rate；
Step 22：Parameter value is pressed according to the cardiopulmonary, cardiopulmonary press the variation tendency of parameter value and cardiopulmonary pressing parameter value becomes
Change frequency and generates recovery characteristic information.
3. the CPR simulated training method according to claim 2 based on virtual reality technology, which is characterized in that institute
State being implemented as step 3：
Step 31：The change of the cardiopulmonary pressing parameter value, cardiopulmonary pressing parameter value is read according to the recovery eigenvector information
The change frequency of change trend and cardiopulmonary pressing parameter value generates recovery eigenvector information；
Step 32：Parameter value is pressed according to the cardiopulmonary and inquires pre-set according to pressing depth table, and it is deep to read corresponding pressing
Angle value presses parameter value variation trend according to the cardiopulmonary and generates blood flow direction；Parameter value variation frequency is pressed according to the cardiopulmonary
Rate calculates compression frequency；
Step 33：Corresponding blood flow image animation is generated according to the according to pressing depth value, blood flow direction and compression frequency production, and
Carry out Projection Display.
4. the CPR simulated training method according to claim 3 based on virtual reality technology, which is characterized in that institute
State being implemented as step 33：
Step 331：According to it is described according to pressing depth value with blood flow direction in preset blood flow image picture information table inquiry is corresponding
Blood flow image picture information；
Step 332：Switch the blood flow image picture according to the compression frequency, forms blood flow image animation, and projected
Display.
5. the CPR simulated training method according to claim 3 based on virtual reality technology, which is characterized in that institute
It further includes following steps to state step 3：
Step 34a：According to pressing depth it is worth the inquiry cardiac imaging pictorial information in cardiac imaging pictorial information table according to described, according to
The compression frequency switches the cardiac imaging pictorial information, forms cardiac imaging animation, and carry out Projection Display.
6. the CPR simulated training method according to claim 3 based on virtual reality technology, which is characterized in that institute
It further includes following steps to state step 3：
Step 34b：According to pressing depth it is worth the inquiry thoracic cavity cross section image in the image picture information table of thoracic cavity cross section according to described
Pictorial information switches thoracic cavity cross section image picture according to the compression frequency, and the image before and after formation chest compression is dynamic
It draws, and carries out Projection Display.
7. the CPR simulated training method according to claim 3 based on virtual reality technology, which is characterized in that institute
Stating step 1 further includes：
Acquire artificial respiration parameter information；
The step 3 further includes：
Step 34c：According to the air-blowing quantity in the artificial respiration parameter information lung image is inquired in lung images information table
Pictorial information switches the lung image pictorial information according to the artificial respiration frequency, forms lung image animation, and projected
Display；
The artificial respiration parameter information includes air-blowing quantity and breathing rate.
8. the CPR simulated training method according to claim 7 based on virtual reality technology, which is characterized in that also
Include the following steps：
Step 4：Parameter information is pressed according to the cardiopulmonary and obtains pressing wavy curve, or according to the artificial respiration parameter information
Artificial respiration wavy curve is obtained, and carries out Projection Display.
9. the CPR simulated training method according to claim 8 based on virtual reality technology, which is characterized in that institute
State being implemented as step 4：
Step 41：Read the cardiopulmonary every setting time interval and press parameter value, and according to the cardiopulmonary press parameter value and
Its corresponding acquisition time point, which generates, presses corrugating array；
Or, read the artificial respiration parameter letter value every setting time interval, and according to the artificial respiration parameter value and its
Corresponding acquisition time point generates artificial respiration waveform array；
Step 42：According to described by corrugating array structure pressing wavy curve, and carry out Projection Display；
Or, building artificial respiration wavy curve according to the artificial respiration waveform array, and carry out Projection Display.
10. a kind of CPR simulated training system based on virtual reality technology, which is characterized in that including acquisition module, spy
Levy information module and image module；
The acquisition module for pressing CPR model, and acquires cardiopulmonary pressing parameter information；
The characteristic information module, the variation tendency for pressing parameter information according to the cardiopulmonary generate recovery characteristic information；
The image module, for generating corresponding cardiopulmonary image animation according to the recovery characteristic information, and it is aobvious to carry out projection
Show, completes simulation CPR.
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Denomination of invention: A simulation training method and system of cardiopulmonary resuscitation based on Virtual Reality Technology Effective date of registration: 20220121 Granted publication date: 20200821 Pledgee: Wuhan area branch of Hubei pilot free trade zone of Bank of China Ltd. Pledgor: WUHAN ONEW TECHNOLOGY Co.,Ltd. Registration number: Y2022420000024 |
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