CN110751890A - Cardio-pulmonary resuscitation training and checking system based on virtual reality technology - Google Patents
Cardio-pulmonary resuscitation training and checking system based on virtual reality technology Download PDFInfo
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- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
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Abstract
The invention discloses a cardiopulmonary resuscitation training and examining system based on a virtual reality technology, which comprises a computer system, VR equipment, a VR scene unit and a model of a sensor unit, and is a self-service cardiopulmonary resuscitation training and examining system capable of realizing cardiopulmonary resuscitation popularization, training, practical operation, examination and judgment and student information archiving; the training cost can be reduced, the learning efficiency and the interestingness of the cardio-pulmonary resuscitation training can be improved, the organization and socialization large-scale cardio-pulmonary resuscitation training can be facilitated, and the popularization rate of rescue training and the survival rate of the extramural precordial sudden cardiac death can be improved.
Description
Technical Field
The invention belongs to the field of emergency rescue, and particularly relates to a cardio-pulmonary resuscitation training and checking system based on a virtual reality technology.
Background
The gold rescue time for the heartbeat and respiratory arrest caused by diseases such as myocardial infarction, airway obstruction, drowning and the like and accidents is only 4-6 minutes, and after 4-6 minutes, brain cells can be damaged irreversibly. In China, about 20 minutes is averagely needed from the dialing of an emergency call to the arrival of an emergency ambulance at the scene.
According to statistics, after sudden cardiac and respiratory arrest, a cardiopulmonary resuscitator is applied within 1 minute, the survival rate is close to 100%, a cardiopulmonary resuscitator is applied within 4 minutes, the survival rate is about 50%, and a cardiopulmonary resuscitator is applied within 4-6 minutes, the survival rate is only 10%, and the survival rate is almost not possible in more than 10 minutes, so that the survival rate can be improved only by effective on-site emergency rescue. However, the people in China generally lack primary rescue knowledge, the popularization rate of rescue training is low, only about 1%, and is far lower than that of developed countries, such as Germany, the popularization rate of rescue training reaches 80%, France 40%, Australia 40%, and America 25%.
Therefore, the sudden cardiac death in our country reaches more than 50 million people every year, and many people can be effectively rescued after the gold rescue time, and because brain cells are irreversibly damaged to cause diseases and even become plant people, great pain is brought to families, and great burden is brought to society.
The existing red cross rescue training is mainly divided into two parts, namely theoretical learning and actual exercise training. Most of the theoretical learning keeps the traditional teaching mode. The practical training, the present teaching mode is that the rescue and training teachers and students give lessons, demonstrate, practice, check and qualify for certification face to face. Therefore, even though the investment of the red is increased in various parts in recent years, the training personnel are still limited at present every year, and the traditional mode is limited by the following four factors:
1) and (3) payment: the cost of training a rescuer varies from 150 to 300 yuan;
2) the quantity and quality of teachers: the number of qualified rescue trainees is small, and the rescue trainees with excellent training generally need 2 years or more;
3) efficiency: as 1 trainer guides 2-5 students to perform actual operation or examination at the same time under the general condition, the students spend a great deal of time queuing for the actual operation and examination, and the efficiency is very low;
4) interest: the training interest is not great, and the attraction to teenagers is limited.
If the prevalence rate of rescue training in developed countries is reached in 2030, taking a city with about 500 million people as an example, it is expected that 125 million people are trained, at least 10 million people are required to be trained each year, the expenditure is at least 1 thousand and 5 million yuan each year, and enough qualified teachers and students with time and interest to participate in training are also required, so that the training is extremely difficult.
Disclosure of Invention
The invention provides a system capable of verifying the identity of a student and collecting data corresponding to the practice of cardiopulmonary resuscitation of the student in a VR scene, and provides a self-service cardiopulmonary resuscitation training and checking system for teaching, training, practice, checking and judging the cardiopulmonary resuscitation and archiving student information, which can reduce the training cost, improve the learning efficiency and interest of the cardiopulmonary resuscitation training, help to organize the socialized large-scale cardiopulmonary resuscitation training, and improve the popularization rate of rescue training and the survival rate of extramural precordial sudden cardiac death.
The utility model provides a cardiopulmonary resuscitation trains and appraises system based on virtual reality technique, includes computer system, VR equipment, VR cardiopulmonary resuscitation scene unit, reflects the model of the sensor unit of cardiopulmonary resuscitation effect, its characterized in that: the cardiopulmonary resuscitation training and checking system based on the virtual reality technology comprises a model of a sensor unit reflecting chest compression effect parameters through a computer system, VR equipment, a VR cardiopulmonary resuscitation scene unit and a model of the sensor unit reflecting the cardiopulmonary resuscitation effect; the training teaching, the practical operation and the examination of the cardio-pulmonary resuscitation of the students are realized.
Further, the computer system includes one or more of a traditional computer, a server and cloud server, a back-office support system, an operation and maintenance system, a tablet computer, a smart phone, and other handheld computing devices.
Further, the VR device comprises one or more of a VR display device, a VR sensor, a VR positioning device and a VR controller, but training and examination of cardiopulmonary resuscitation can be achieved when only the VR display device is used.
Further, the model of the sensor unit reflecting the effect of cardiopulmonary resuscitation further comprises one or both of sensors for airway opening, artificial respiration effect parameters reflecting cardiopulmonary resuscitation.
Furthermore, the VR cardio-pulmonary resuscitation scene unit is a three-dimensional scene designed for different cardio-pulmonary resuscitation rescues according to different scenes of cardiac arrest, so that the real experience of students is enhanced, and the scene unit comprises a drowning cardio-pulmonary resuscitation scene unit, a traffic accident cardio-pulmonary resuscitation scene unit, a bank cardio-pulmonary resuscitation scene unit and a fire cardio-pulmonary resuscitation scene unit.
Furthermore, the VR cardio-pulmonary resuscitation scene unit further comprises sub-units under different scene units, and rescue process scenes, practical exercise scenes and practical exercise scenes of cardio-pulmonary resuscitation under different scenes.
Furthermore, in the process of realizing trainings, teaching, practical operations and assessment of cardio-pulmonary resuscitation of students, the system automatically acquires relevant data of the teaching, practical operations and assessment of cardio-pulmonary resuscitation through the model of the sensor unit reflecting the cardio-pulmonary resuscitation effect, the data can be fed back to VR equipment, the VR cardio-pulmonary resuscitation scene unit and the trainings and assessment system corresponding to the students, and whether the trainers are qualified in the practice, the practice and the assessment of the cardio-pulmonary resuscitation of the students can be automatically judged.
Furthermore, the automatic acquisition of the related teaching, practice and examination data of the cardiopulmonary resuscitation is that the data fed back by the sensor unit component include the accuracy of the compression position, the compression amplitude, the compression frequency, the compression times, the compression time, whether the airway is open, the interruption time of the cardiopulmonary resuscitation, the artificial respiration volume, the artificial respiration pressure, the artificial respiration times, the artificial respiration time and the practice data fed back by a model integrating one or more functions; in the book "cardio-pulmonary resuscitation and wound care of Master rescue course (II) published by the public health publishing house and edited by the Red Cross in 2015 in 6 months, the practical exercise data specifically comprises the following data: (1) the pressing times are as follows: 30 times/group; (2) pressing position: the middle point (3) of the connecting line of the two nipples has adult pressing frequency: 100-120 times/min; (4) pressing depth: 5-6 cm for adults; (5) the thorax returns completely after each compression, which is similar or equal to relaxation.
Furthermore, the cardio-pulmonary resuscitation training and assessment system based on the virtual reality technology further comprises an identity authentication system, specifically one or more of account password login, valid certificate scanning, two-dimensional codes, verification codes, identification codes, face recognition, fingerprint recognition, iris recognition and other identity recognition systems.
The system can store teaching, actual operation and assessment data of students in real time and feed the data back to the corresponding VR scene.
The specific contents of the trainees in learning or assessing the cardiopulmonary resuscitation practice by using VR are as follows:
1. and (3) field evaluation:
the safety of the user and the wounded is protected while the user is rescued around;
2. judging consciousness and respiration;
paying attention to flick the shoulders of the wounded and shouting the wounded loudly;
3. loud call for help:
indicating the identity of the user and seeking help to the surrounding people to make 120 calls;
4. chest compression:
kneel on one side of the patient, the knees and shoulders are as wide as each other, the pressing position is arranged at the midpoint of the connecting line of the two nipples, the ten fingers are buckled with each other when pressing, the two arms are vertical, and the palm root is aligned with the correct pressing position to continuously and powerfully press;
5. inspecting and removing oral foreign bodies:
opening the oral cavity, checking whether foreign matters exist, if so, laterally removing one side of the oral cavity; placing the breathing membrane on the face of a patient, wherein the ventilation part is positioned on the lips;
6. opening an air passage:
lifting the chin by raising the head, putting one hand on the forehead, applying pressure to make the head lean backwards, and lifting the chin by the index finger and the middle finger of the other hand to make the chin and the earlobe vertical to the ground;
7. mouth-to-mouth artificial respiration:
pinching the nostrils of the patient by the thumb and the forefinger of the hand pressing the forehead, deeply sucking the mouth and the lips of the patient, and forcefully blowing until the thorax of the patient is raised; after blowing, loosening the hand pinching the nostril, ventilating the rescuer, paying attention to the recovery condition of the chest, continuously blowing twice, wherein the blowing time lasts for more than 1 second each time;
8. and (3) comprehensive evaluation:
and observing whether the consciousness of the wounded, the breath is recovered and the complexion is ruddy.
Wherein, the index of pressing is: (1) the pressing times are as follows: 30 times/group; (2) the pressing frequency is as follows: 100-120 times/min; (3) wrong pressing position: the middle of the line connecting the two nipples, (4) the depth of compression: 5-6 cm for adults; (5) after compression, the chest was allowed to rebound sufficiently, but the palm did not leave the chest wall when relaxed.
Further, 30 heart compressions and 2 insufflations were performed in one cycle and the rescuer repeated 5 cycles.
Further, it is necessary to constantly observe whether or not the face of the injured person is conscious of recovery while pressing.
The student uses the system to carry out 4 conditions of teaching, practical operation and assessment processes:
(1) when a student performs cardio-pulmonary resuscitation teaching, practical operation and examination, the student authenticates the identity by using the identity authentication system, uses VR equipment corresponding to the identity authentication system or distributed by the identity authentication system and a model of a sensor unit reflecting the cardio-pulmonary resuscitation effect, wears the VR equipment, enters the VR cardio-pulmonary resuscitation scene unit for cardio-pulmonary resuscitation training teaching, practical operation and examination, automatically acquires relevant cardio-pulmonary resuscitation practical operation and examination data by the model of the sensor unit reflecting the cardio-pulmonary resuscitation effect, feeds the data back to the VR equipment, the VR cardio-pulmonary resuscitation scene unit and a computer system corresponding to the student, automatically judges whether the cardio-pulmonary resuscitation practical operation and examination of the student are qualified or not, stores all the data into an electronic file of the corresponding student, and can also generate a paper file according to the cardio-pulmonary needs;
(2) when a student performs cardio-pulmonary resuscitation teaching, practical operation and examination, identity authentication is not performed firstly, the student directly enters the cardio-pulmonary resuscitation teaching, practical operation and examination, a model of a sensor unit reflecting the cardio-pulmonary resuscitation effect automatically acquires relevant cardio-pulmonary resuscitation practical operation and examination data, the data is fed back to VR equipment, a VR cardio-pulmonary resuscitation scene unit and a computer system of the corresponding student, whether the cardio-pulmonary resuscitation practical operation and examination of the student are qualified or not is automatically judged, specific coding or paper information is generated after the cardio-pulmonary resuscitation teaching, practical operation and examination are finished, and a student file corresponding to the effective identity information of the student file is established through the coding or paper information;
(3) when a student performs cardio pulmonary resuscitation teaching, real operation and examination, and when an administrator or a teacher is present, the administrator or the teacher can guide the student to perform cardio pulmonary resuscitation teaching, real operation and examination without an identity authentication system, store all data of the student into a corresponding student electronic file, and also can generate a paper file as required;
(4) when the trainees perform the teaching, practical operation and examination of the cardio-pulmonary resuscitation and under the condition of identity authentication, the trainees can choose to enter any link to perform the teaching, practical operation and examination of the cardio-pulmonary resuscitation.
The invention has the advantages that: the invention simulates various different three-dimensional scenes through VR, so that the trainee can feel personally on the scene, and the confidence of rescue of the trainee in reality is greatly enhanced; the model of the integrated sensor unit and the corresponding display equipment can well reflect information such as pressing force, position and the like, can help students correct errors in time, and can perform teaching, practical operation and assessment more quickly and better; the system is a self-service system, can be trained and examined independently, reduces the dependence on teachers and materials, and improves the learning efficiency; the system can also store teaching, actual operation and examination data of students, and realize standardization and datamation of actual operation training and examination; the method is beneficial to large-scale cardio-pulmonary resuscitation training of organization socialization, improves the popularization rate of rescue training and the survival rate of extrahospital precordial sudden cardiac death, and saves more lives.
Drawings
FIG. 1 is a block diagram of a cardiopulmonary resuscitation training and assessment system based on virtual reality technology;
FIG. 2 is a diagram of a VR scene showing an eight-step method;
FIG. 3 is a diagram of a VR scene showing the content of the first step of the eight-step method;
FIG. 4 is a diagram of a VR scene showing the contents of the second step of the eight-step method;
FIG. 5 is a diagram of a VR scene showing the content of the third step of the eight-step method;
FIG. 6 is a diagram of a VR scene showing the content of the fourth step of the eight-step method;
FIG. 7 is a diagram of a VR scene showing the content of the fifth step of the eight-step method;
FIG. 8 is a diagram of a VR scene showing the contents of the sixth step of the eight-step method;
FIG. 9 is a diagram of a VR scene showing the contents of the seventh step of the eight-step method;
fig. 10 is a scene diagram showing the content of the eighth step of the eight-step method in the VR scene.
Detailed Description
The training and examination process of the cardiopulmonary resuscitation training and examination system based on the virtual reality technology is further described below.
The examples all used the cardio-pulmonary resuscitation eight-step method of the red cross as training and assessment content.
Example 1
The utility model provides a cardiopulmonary resuscitation trains and appraises system based on virtual reality technique, includes computer system, VR equipment, VR cardiopulmonary resuscitation scene unit, reflects the model of the sensor unit of cardiopulmonary resuscitation effect, its characterized in that: the cardiopulmonary resuscitation training and checking system based on the virtual reality technology comprises a model of a sensor unit reflecting chest compression effect parameters through a computer system, VR equipment, a VR cardiopulmonary resuscitation scene unit and a model of the sensor unit reflecting the cardiopulmonary resuscitation effect; the training teaching, the practical operation and the examination of the cardio-pulmonary resuscitation of the students are realized.
The computer system comprises one or more of a traditional computer, a server and a cloud server, a background support system, an operation and maintenance system, a tablet computer, a smart phone and other handheld computing equipment.
The VR device comprises one or more of a VR display device, a VR sensor, a VR positioning device, and a VR controller.
And the model of the sensor unit reflecting the effect of cardiopulmonary resuscitation further comprises one or both of sensors regarding airway opening, artificial respiration effect parameters reflecting cardiopulmonary resuscitation.
The VR cardio-pulmonary resuscitation scene unit is a three-dimensional scene for designing different cardio-pulmonary resuscitation rescues according to different scenes of cardiac arrest, so that the real experience of students is enhanced, and the scene unit comprises a drowning cardio-pulmonary resuscitation scene unit, a traffic accident cardio-pulmonary resuscitation scene unit, a bank cardio-pulmonary resuscitation scene unit and a fire scene cardio-pulmonary resuscitation unit.
The VR cardio-pulmonary resuscitation scene unit further comprises sub-units under different scene units, and rescue process scenes, practical exercise scenes and practical exercise scenes of cardio-pulmonary resuscitation under different scenes.
In the process of realizing trainings, teaching, practical operations and assessment of cardio-pulmonary resuscitation of students, the system automatically acquires related data of the cardio-pulmonary resuscitation teaching, practical operations and assessment through the model of the sensor unit reflecting the cardio-pulmonary resuscitation effect, the data can be fed back to VR equipment, the VR cardio-pulmonary resuscitation scene unit and the trainings and assessment system corresponding to the students, and whether the trainers are qualified in the practical operations and the assessment of the cardio-pulmonary resuscitation can be automatically judged.
The automatic collection of the related cardiopulmonary resuscitation teaching, practice and examination data refers to the practical operation data fed back by the sensor unit component, which includes the compression position accuracy, the compression amplitude, the compression frequency, the compression times, the compression time, whether the airway is open or not, the cardiopulmonary resuscitation interruption time, the artificial respiration air volume, the artificial respiration air pressure, the artificial respiration times and the artificial respiration time, and can also be fed back by a model integrating one or more functions; the actual operation data is specifically as follows: (1) the pressing times are as follows: 30 times/group; (2) pressing position: the middle point (3) of the connecting line of the two nipples has adult pressing frequency: 100-120 times/min; (4) pressing depth: 5-6 cm for adults; (5) the thorax returns completely after each compression, which is similar or equal to relaxation.
The cardio-pulmonary resuscitation training and checking system based on the virtual reality technology further comprises an identity authentication system, specifically one or more of account password login, valid certificate scanning, two-dimensional codes, verification codes, identification codes, face recognition, fingerprint recognition, iris recognition and other identity recognition systems.
Four modes of trainees for training teaching, practical exercises and examination are as follows:
(1) when a student performs cardio-pulmonary resuscitation teaching, practical operation and examination, the student authenticates the identity by using the identity authentication system, uses VR equipment corresponding to the identity authentication system or distributed by the identity authentication system and a model of a sensor unit reflecting the cardio-pulmonary resuscitation effect, wears the VR equipment, enters the VR cardio-pulmonary resuscitation scene unit for cardio-pulmonary resuscitation training teaching, practical operation and examination, automatically acquires relevant cardio-pulmonary resuscitation practical operation and examination data by the model of the sensor unit reflecting the cardio-pulmonary resuscitation effect, feeds the data back to the VR equipment, the VR cardio-pulmonary resuscitation scene unit and a computer system corresponding to the student, automatically judges whether the cardio-pulmonary resuscitation practical operation and examination of the student are qualified or not, stores all the data into an electronic file of the corresponding student, and can also generate a paper file according to the cardio-pulmonary needs;
(2) when a student performs cardio-pulmonary resuscitation teaching, practical operation and examination, identity authentication is not performed firstly, the student directly enters the cardio-pulmonary resuscitation teaching, practical operation and examination, a model of a sensor unit reflecting the cardio-pulmonary resuscitation effect automatically acquires relevant cardio-pulmonary resuscitation practical operation and examination data, the data is fed back to VR equipment, a VR cardio-pulmonary resuscitation scene unit and a computer system of the corresponding student, whether the cardio-pulmonary resuscitation practical operation and examination of the student are qualified or not is automatically judged, specific coding or paper information is generated after the cardio-pulmonary resuscitation teaching, practical operation and examination are finished, and a student file corresponding to the effective identity information of the student file is established through the coding or paper information;
(3) when a student performs cardio pulmonary resuscitation teaching, real operation and examination, and when an administrator or a teacher is present, the administrator or the teacher can guide the student to perform cardio pulmonary resuscitation teaching, real operation and examination without an identity authentication system, store all data of the student into a corresponding student electronic file, and also can generate a paper file as required;
(4) when the trainees perform the teaching, practical operation and examination of the cardio-pulmonary resuscitation and under the condition of identity authentication, the trainees can choose to enter any link to perform the teaching, practical operation and examination of the cardio-pulmonary resuscitation.
The cardiopulmonary resuscitation eight-step method is further explained by combining the attached drawings 2-10 of the specification:
1. and (3) field evaluation:
marking the area according to the ring, looking around, and protecting the safety of the wounded personnel and the self while rescuing;
2. judging consciousness and respiration;
paying attention to flick the shoulders of the wounded and shouting the wounded loudly;
3. calling for help loudly;
indicating the identity of the user and seeking help to the surrounding people to make 120 calls;
4. chest compression;
kneel on one side of the patient, the knees and shoulders are as wide as each other, the pressing position is arranged at the midpoint of the connecting line of the two nipples, the ten fingers are buckled with each other when pressing, the two arms are vertical, and the palm root is aligned with the correct pressing position to continuously and powerfully press;
5. checking and removing foreign bodies in the oral cavity;
opening the oral cavity, checking whether foreign matters exist, if so, laterally removing one side of the oral cavity; placing the breathing membrane on the face of a patient, wherein the ventilation part is positioned on the lips;
6. opening an air passage;
lifting the chin by raising the head, putting one hand on the forehead, applying pressure to make the head lean backwards, and lifting the chin by the index finger and the middle finger of the other hand to make the chin and the earlobe vertical to the ground;
7. artificial respiration from mouth to mouth;
pinching the nostrils of the patient by the thumb and the forefinger of the hand pressing the forehead, deeply sucking the mouth and the lips of the patient, and forcefully blowing until the thorax of the patient is raised; after blowing, loosening the hand pinching the nostril, ventilating the rescuer, paying attention to the recovery condition of the chest, continuously blowing twice, wherein the blowing time lasts for more than 1 second each time;
8. and (3) comprehensive evaluation:
and observing whether the consciousness of the wounded, the breath is recovered and the complexion is ruddy.
Wherein, the index of pressing is: (1) the pressing times are as follows: 30 times; (2) the pressing frequency is as follows: 100-120 times/min; (3) pressing depth: 5-6 cm for adults; (4) after compression, the chest was allowed to rebound sufficiently, but relaxed with the palms not leaving the chest wall.
30 heart compressions and 2 insufflations were one cycle and the rescuer repeated the cycles.
While pressing, the face of the wounded needs to be constantly observed to see whether the face recovers consciousness.
Example 2
Randomly selecting 50 persons from a certain community as students, and training by using a cardiopulmonary resuscitation training and assessment system based on a virtual reality technology:
the method is characterized in that 50 students are divided into two groups on average, 25 cardiopulmonary resuscitation training assessment systems based on virtual reality technology are used for training under the guidance of 1 trainer, the system comprises a computer system, VR equipment, a VR scene unit and a sensor unit model, 1 group of 25 students are trained each time, the single practical exercise time is 0.25h, each student is practical exercise for 4 times and 1h, and the training class time is 2 h.
When the cardio-pulmonary resuscitation training is carried out, two groups of students firstly and respectively register through a computer server, effective identity information is identified through entrance guard, VR equipment corresponding to the entrance guard and a model of a sensor unit reflecting the cardio-pulmonary resuscitation effect are used, the VR equipment is worn to enter a VR scene for cardio-pulmonary resuscitation teaching, practical operation and examination, the model of the sensor unit reflecting the cardio-pulmonary resuscitation effect automatically acquires relevant cardio-pulmonary resuscitation practical operation and examination data, the data is fed back to VR equipment corresponding to the students and the VR cardio-pulmonary resuscitation scene unit, the students can correct errors in time according to the data, and the training effect is good.
Example 3
Randomly extracting 50 persons from a certain community as trainees, and training in a traditional training mode:
50 trainees are averagely divided into 5 groups, 10 sets of simulators are used for training under the guidance of 5 trainees, the single actual practice time is 0.25h, each person performs actual practice for 4 times for 1h, and the training class time is 5 h.
Example 4
The same as example 2 is repeated except that 50 college students at a college are randomly selected as students and trained by a cardiopulmonary resuscitation training and assessment system based on a virtual reality technology.
Example 5
50 college students from a university are randomly selected as trainees and trained in a conventional training manner, and the rest is the same as in example 3.
Example 6
The method is similar to example 2 except that 50 adult males are randomly selected from the population as trainees and are trained by a cardiopulmonary resuscitation training and assessment system based on a virtual reality technology.
Example 7
50 adult males were randomly selected from the population as trainees and were trained in a conventional training manner, as in example 3.
Example 8
The method is similar to example 2 except that 50 adult females are randomly selected from the population as trainees and trained by a cardiopulmonary resuscitation training and assessment system based on the virtual reality technology.
Example 9
50 adult females were randomly selected from the population as trainees and were trained in a conventional training manner, as in example 3.
Example 10
Randomly selecting 50 employees from a certain factory as trainees, and training the trainees by using a cardiopulmonary resuscitation training and assessment system based on a virtual reality technology, and the rest is the same as the example 2.
Example 11
The training was performed by randomly selecting 50 trainees from all employees in a plant and using the trainees in the conventional training manner, and the rest was the same as in example 3.
The assessment method comprises the following steps:
1. based on the eight-step method, the chest compression posture, the compression hand shape, the compression position, the compression amplitude, the compression frequency, the compression times, the compression time, whether the air passage is open or not, the artificial respiration volume, the artificial respiration times, the artificial respiration pressure, the artificial respiration time, the ratio of the chest compression to the artificial respiration times, the interruption time of the cardiopulmonary resuscitation and the total consumption time are evaluated, wherein the 15 items plus the eight-step method 1/2/3/5/8 are 5 points each, the total is 100 points, and the score is more than 80.
2. The assessment is carried out by using a model of a sensor unit reflecting the effect of cardiopulmonary resuscitation and an assessment system connected with the model, all students in examples 2 to 11 are assessed on site after learning, and the statistics of corresponding assessment results are as follows (A is trained by using a cardiopulmonary resuscitation training assessment system based on a virtual reality technology, and B is trained in a traditional training mode):
the table shows that the training efficiency is high, the effect is good, the number of trainees is small, the manpower loss is effectively reduced, the qualification rate of the trainees using the invention is higher in different crowds, the rescued objects can be effectively rescued, and the probability of potential secondary injury can be reduced.
Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a cardiopulmonary resuscitation trains and examines system based on virtual reality technique which characterized in that: the training teaching, practical operation and examination device comprises a computer system and a model of a sensor unit reflecting the cardio-pulmonary resuscitation effect, and realizes the training teaching, practical operation and examination of the cardio-pulmonary resuscitation of students.
2. The utility model provides a cardiopulmonary resuscitation trains and appraises system based on virtual reality technique, includes computer system, VR equipment, VR cardiopulmonary resuscitation scene unit, reflects the model of the sensor unit of cardiopulmonary resuscitation effect, its characterized in that: the cardio-pulmonary resuscitation training and checking system based on the virtual reality technology realizes trainee cardio-pulmonary resuscitation training teaching, practical operation and checking through a computer system, VR equipment, a VR cardio-pulmonary resuscitation scene unit and a sensor unit reflecting the cardio-pulmonary resuscitation effect; wherein the model of the sensor unit reflecting the effect of cardiopulmonary resuscitation comprises a model of the sensor unit reflecting a parameter of the effect of chest compressions.
3. The cardiopulmonary resuscitation training and assessment system based on virtual reality technology according to claim 2, wherein: the computer system comprises one or more of a traditional computer, a server and a cloud server, a background support system, an operation and maintenance system, a tablet computer, a smart phone and other handheld computing equipment; the VR device comprises one or more of a VR display device, a VR sensor, a VR positioning device, and a VR controller.
4. The cardiopulmonary resuscitation training and assessment system based on virtual reality technology according to claim 1, wherein: and the model of the sensor unit reflecting the effect of cardiopulmonary resuscitation further comprises one or both of sensors regarding airway opening, artificial respiration effect parameters reflecting cardiopulmonary resuscitation.
5. The cardiopulmonary resuscitation training and assessment system based on virtual reality technology according to claim 1, wherein: the VR cardio-pulmonary resuscitation scene unit is a three-dimensional scene for designing different cardio-pulmonary resuscitation rescues according to different scenes of cardiac arrest, so that the real experience of students is enhanced, and the scene unit comprises a drowning cardio-pulmonary resuscitation scene unit, a traffic accident cardio-pulmonary resuscitation scene unit, a bank cardio-pulmonary resuscitation scene unit and a fire cardio-pulmonary resuscitation scene unit.
6. The cardiopulmonary resuscitation training and assessment system based on virtual reality technology according to claim 5, wherein: the VR cardio-pulmonary resuscitation scene unit further comprises sub-units under different scene units, and rescue process scenes, practical exercise scenes and practical exercise scenes of cardio-pulmonary resuscitation under different scenes.
7. The cardiopulmonary resuscitation training and assessment system based on virtual reality technology according to claim 1, wherein: in the process of realizing trainings, teaching, practical operations and assessment of cardio-pulmonary resuscitation of students, the system automatically acquires related data of the cardio-pulmonary resuscitation teaching, practical operations and assessment through the model of the sensor unit reflecting the cardio-pulmonary resuscitation effect, the data can be fed back to VR equipment, the VR cardio-pulmonary resuscitation scene unit and the trainings and assessment system corresponding to the students, and whether the trainers are qualified in the practical operations and the assessment of the cardio-pulmonary resuscitation can be automatically judged.
8. The cardiopulmonary resuscitation training and assessment system based on virtual reality technology of claim 7, wherein: the automatic collection of the related cardiopulmonary resuscitation teaching, practice and examination data refers to the practical operation data fed back by the sensor unit component, which includes the compression position accuracy, the compression amplitude, the compression frequency, the compression times, the compression time, whether the airway is open or not, the cardiopulmonary resuscitation interruption time, the artificial respiration air volume, the artificial respiration air pressure, the artificial respiration times and the artificial respiration time, and can also be fed back by a model integrating one or more functions; the actual operation data is specifically as follows: (1) the pressing times are as follows: 30 times/group; (2) pressing position: the middle point (3) of the connecting line of the two nipples has adult pressing frequency: 100-120 times/min; (4) pressing depth: 5-6 cm for adults; (5) the thorax returns completely after each compression, which is similar or equal to relaxation.
9. The cardiopulmonary resuscitation training and assessment system based on virtual reality technology according to claim 1, wherein: the cardio-pulmonary resuscitation training and checking system based on the virtual reality technology further comprises an identity authentication system, specifically one or more of account password login, valid certificate scanning, two-dimensional codes, verification codes, identification codes, face recognition, fingerprint recognition, iris recognition and other identity recognition systems.
10. The cardiopulmonary resuscitation training and assessment system based on virtual reality technology according to claim 1, wherein: four modes of trainees for training teaching, practical exercises and examination are as follows:
(1) when a student performs cardio-pulmonary resuscitation teaching, practical operation and examination, the student authenticates the identity by using the identity authentication system, uses VR equipment corresponding to the identity authentication system or distributed by the identity authentication system and a model of a sensor unit reflecting the cardio-pulmonary resuscitation effect, wears the VR equipment, enters the VR cardio-pulmonary resuscitation scene unit for cardio-pulmonary resuscitation training teaching, practical operation and examination, automatically acquires relevant cardio-pulmonary resuscitation practical operation and examination data by the model of the sensor unit reflecting the cardio-pulmonary resuscitation effect, feeds the data back to the VR equipment, the VR cardio-pulmonary resuscitation scene unit and a computer system corresponding to the student, automatically judges whether the cardio-pulmonary resuscitation practical operation and examination of the student are qualified or not, stores all the data into an electronic file of the corresponding student, and can also generate a paper file according to the cardio-pulmonary needs;
(2) when a student performs cardio-pulmonary resuscitation teaching, practical operation and examination, identity authentication is not performed firstly, the student directly enters the cardio-pulmonary resuscitation teaching, practical operation and examination, a model of a sensor unit reflecting the cardio-pulmonary resuscitation effect automatically acquires relevant cardio-pulmonary resuscitation practical operation and examination data, the data is fed back to VR equipment, a VR cardio-pulmonary resuscitation scene unit and a computer system of the corresponding student, whether the cardio-pulmonary resuscitation practical operation and examination of the student are qualified or not is automatically judged, specific coding or paper information is generated after the cardio-pulmonary resuscitation teaching, practical operation and examination are finished, and a student file corresponding to the effective identity information of the student file is established through the coding or paper information;
(3) when a student performs cardio pulmonary resuscitation teaching, real operation and examination, and when an administrator or a teacher is present, the administrator or the teacher can guide the student to perform cardio pulmonary resuscitation teaching, real operation and examination without an identity authentication system, store all data of the student into a corresponding student electronic file, and also can generate a paper file as required;
(4) when the trainees perform the teaching, practical operation and examination of the cardio-pulmonary resuscitation and under the condition of identity authentication, the trainees can choose to enter any link to perform the teaching, practical operation and examination of the cardio-pulmonary resuscitation.
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