CN113838323A - Pre-war rescue simulation training device based on MR technology - Google Patents
Pre-war rescue simulation training device based on MR technology Download PDFInfo
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Abstract
The invention discloses a pre-war rescue simulation training device based on an MR technology, which comprises an MR glasses module, an installation head ring, an electric control box and a simulation training system, wherein the simulation training system comprises five rescue modules, namely wounded person assessment, airway management, hemostasis and hypovolemic shock management, tension pneumothorax treatment and fracture splint fixation; the front end of the mounting head ring is hinged with the MR glasses module, and the rear end of the mounting head ring is fixedly connected with the electric control box. The project provides a battlefield rescue training scheme based on the MR technology, a virtual-real fusion battlefield is constructed by fusing a real combat casualty scene and a specific virtual environment together, diversified first-aid environment training is provided for rescue personnel, battlefield rescue is simulated more effectively and vividly, the training cost of the training is reduced, the battlefield rescue effect is improved rapidly and comprehensively, and the capacity of medical service support is improved.
Description
Technical Field
The invention belongs to the technical field of military rescue, and particularly relates to a pre-war rescue simulation training device based on an MR (magnetic resonance) technology.
Background
The modern battlefield first-aid work emphasizes the time-efficient treatment, the death rate of the wounded in the battle is closely related to the time for receiving the treatment, the primary life support is very important, and the treatment efficiency is urgently needed to be improved under the condition of limited personnel and resources. The rescue equipment in the battlefield has the characteristics of light weight, miniaturization, rapid exhibition and collection, vehicle-mounted portability and easy transfer. Meanwhile, the modernized war has high informatization degree, fast rhythm, strong killing, multiple injury types, complex injury situations and great battlefield rescue difficulty, and also puts forward high requirements on multifunction, integration and the like on field rescue equipment. It has been found from a review of the literature that while there has been little international research on AR technology for pre-war simulated training, MR research in battlefield rescue has not been found. Therefore, the project group aims to jointly create a miniaturized MR head-wearing system which integrates the functions of audio and video acquisition and communication, visual intelligent assistance, agile interaction, immersive training and the like on the basis of the existing MR intelligent maintenance helmet through cooperation with West light group, and plays an important role in the internet, local area network or non-network battlefield environment. The mobile node is used as a visual mobile node in a battlefield, provides audio and video acquisition and communication capabilities while being light, and meets the requirements of battlefield injury information sharing and medical service resource allocation; as an intelligent auxiliary core, in the aspects of emergency rescue tasks such as wounded diagnosis and distribution, primary life support, damage control rescue and the like, the system provides expert online professional assistance or intuitive and efficient immersive rescue guidance, and improves the rescue efficiency; as an interaction core, the intelligent voice and eye movement intelligent information interaction system has intelligent voice, eye movement and other agile interaction means, and realizes efficient information exchange among rescue personnel; the immersion type MR display capability is provided as a display core, the display core replaces a real display, the equipment structure is simplified, meanwhile, the multi-dimensional rescue program is presented in a three-dimensional form, and intuitive and efficient immersion type rescue guidance can be implemented in a network-free environment or in a way of being delivered. On the basis, a pre-war rescue training system and a battlefield rescue guidance system are cooperatively researched and developed to improve rescue management and treatment efficiency and improve the service support capability of a battlefield.
The modern war battlefield environment is complex, the timeliness is emphasized by first aid work, the death rate of victims in war is closely related to the time for receiving treatment, and how to improve the treatment efficiency is particularly important under the condition of limited personnel and resources. In addition, battlefield rescue often lacks timely professional guidance, and especially for young medical care personnel who just touch battlefield rescue work, training with higher simulation before war is needed.
In order to improve the rescue ability of medical personnel in the battlefield, the visual intelligent wearing technical research of the battlefield rescue is further developed on the basis of the existing MR intelligent maintenance helmet, and a miniaturized MR head-wearing system integrating the functions of audio and video acquisition and communication, visual intelligent assistance, agile interaction, immersive training and the like is established. On one hand, the system can carry out the immersion type high-simulation training in the pre-war by the MR technology, and creates and perfects a pre-war rescue training system and a battlefield rescue guidance system by designing emergency rescue modules comprising wounded person assessment, airway management, hemostasis, hypovolemic shock management, tension pneumothorax rescue, fracture splint fixation and the like, and organizes rescue personnel to carry out high-simulation pre-war rescue training. Simulation training based on Augmented Reality (AR)/MR technology can provide rescue module schemes for rescuers on the coming battlefield and carry out high-simulation pre-station rescue training.
Aiming at the problems of high training cost, limited training airspace environment, incomplete training effect and the like in the modern battlefield, the design scheme of the battlefield rescue system based on the MR technology is provided, the training cost can be reduced, and meanwhile, the battlefield rescue effect and the service support capability can be improved quickly and comprehensively.
Disclosure of Invention
Aiming at the problems of high training cost, limited space environment for training, incomplete training effect and the like in the modern battlefield, the invention provides a design scheme of a battlefield rescue system based on the MR technology, and by fusing real combat casualty scenes and specific virtual environments together to construct a virtual-real fusion battlefield, the invention can provide diversified training for emergency environments for rescue personnel, simulate battlefield rescue more quickly and effectively, reduce training cost, improve the battlefield rescue effect quickly and comprehensively and improve the capacity of medical service support. On the basis of the MR visual intelligent helmet, the rescue modules including wounded assessment, airway management, hemostasis and hypovolemic shock management, tension pneumothorax treatment, fracture splint fixation and the like are designed preferentially, and a highly-simulated pre-war rescue simulation training system is designed in an effort to optimize the pre-war rescue training effect.
In order to achieve the technical effects, the invention is realized by the following technical scheme: the utility model provides a pre-war rescue simulation training device based on MR technique, includes MR glasses module, installation head ring, electric control box and simulation training system, its characterized in that: the simulation training system comprises five rescue modules, namely wounded person assessment, airway management, hemostasis and hypovolemic shock management, tension pneumothorax treatment and fracture splint fixation; the front end of the mounting head ring is hinged with the MR glasses module, and the rear end of the mounting head ring is fixedly connected with the electric control box; MR glasses module is inside including two mesh GBR sensors, camera lens, eyepiece and screen, sets up processing unit, power module, wireless connection module and audio module in the automatically controlled box, and installation head ring both sides are provided with audio module.
Further, the triage assessment comprises:
evaluating the surrounding environment: determining that an item required for human material isolation prevention has been carried; determining field safety, injury mechanisms, number of injured persons, whether additional personnel or resource support is required, whether special equipment is required;
secondly, preliminary evaluation: the purpose of the preliminary evaluation is to determine whether the wounded person dies immediately according to the degree of illness of the wounded person; not to interrupt the preliminary assessment unless there is an airway obstruction or sudden cardiac arrest; preliminary assessments include general condition, level of consciousness, airway assessment, respiratory assessment, circulatory assessment, exposure to wounds; reference is made to Casey Bond Main edition, Yiwen Master translation of Cijing Hospital, advanced battlefield first aid skill training Manual of medical staff in army and battlefield for 9 preliminary evaluation steps;
and thirdly, fast injury examination: the method is a quick inspection method for searching for fatal injuries, and if time is allowed, more detailed inspection is carried out after quick injury inspection; the method comprises the steps of performing primary airway management, auxiliary ventilation, cardiopulmonary resuscitation if necessary, hemostasis of massive bleeding, closing of an open chest wound, stabilization of a flail chest, pressure reduction of a tension pneumothorax, and fixation of foreign matters on puncture; 9 steps of rapid wound condition examination adopt Casey Bond main edition, Yiwen Master translation of Xijing hospital, advanced battlefield first aid skill training manual of medical staff in army and battlefield;
fourthly, further injury assessment: the patient history information and the basic vital signs are obtained by a SAMPLE method, and the disability assessment is carried out by physical examination of the nervous system.
Further, the airway management includes: firstly, determining whether the wounded person breathes, and considering the supply of oxygen through artificial ventilation, including the treatment of airway obstruction, a method of lifting the chin upwards, the establishment of an artificial airway by using an oronasopharyngeal airway, the establishment of an artificial airway through an esophageal-tracheal airway and an emergency circumcision.
Further, the hemostasis and hypovolemic shock management comprises: directly pressing by adopting a tourniquet; the treatment steps for hypovolemic shock are as follows:
firstly, a head raising and jaw raising method or a mandible lifting method is applied to maintain the smooth airway;
if necessary, giving ventilation support and applying an oxygen storage mask as soon as possible, wherein the oxygen flow is 15L/min;
thirdly, external bleeding is controlled by direct pressurization, hemostasis point compression, splint fixation or tourniquet;
fourthly, under the condition of helping hands, the breathing and the hemostasis are controlled to be carried out simultaneously, and the tourniquet is the first choice for hemostasis;
fifthly, blood circulation can be maintained through intravenous fluid infusion;
sixthly, acquiring basic vital signs and performing simple nervous system examination to determine the level of consciousness, eye movement function and pupil light reflex;
seventhly, the patient is placed and the bleeding part is exposed. Except for those who suspect abnormal head and neck and dyspnea, the patient adopts a position with a head lower than feet, lifts the legs by 15-30cm, and uses a lateral position or a horizontal position with the head biased to one side (forbidden when the cranium or the spine is injured) if the sick and wounded vomit or bleed around the mouth; when the wounded is completely exposed, searching whether other injuries exist;
maintaining normal body temperature, avoiding hypothermia, reducing the damage of shock to the organism, and if the conditions allow, wrapping the wounded with a blanket or a heat-preservation bag;
ninthly, performing nervous system examination and vital sign measurement every 5 minutes;
the red (r) transports the victim to the nearest medical treatment site as soon as possible.
Furthermore, the treatment method of the tension pneumothorax is emergency acupuncture decompression.
Further, the trauma fracture splint fixing comprises: on the battlefield, surrounding objects, such as wood boards, bamboo poles, wood sticks, branches, curled magazines, newspapers, cardboard, pillows and the like, are often required to be reformed into splints; the splint is used to fix the fracture site to prevent further injury and stop bleeding.
Furthermore, the processing unit is electrically connected with the power supply module, the wireless connection module, the audio module and the MR circuit module;
the power supply module comprises a storage battery, a charging circuit and a solar power supply board, and the solar power supply board is fixedly arranged on the rear side surface of the electric control box;
the wireless connection module comprises a 5G network module, a WIFI module and a Bluetooth module;
the audio module includes a microphone and a speaker, which are detachably connected to both sides of the mounting headband through wire connectors including, but not limited to, one or more of a DC charging port, a Type-C interface, or a 3.5 headset interface.
Further, the MR circuit module includes a binocular GBR sensor, a lens, and a screen.
Furthermore, the two sides of the mounting head ring are provided with elastic knobs.
Another objective of the present invention is to provide a method for using a pre-war rescue simulation training device based on MR technology, which is characterized in that:
(1) before use, the elastic knob is adjusted, the mounting head ring is worn on the head, the angle and the position of the MR glasses are adjusted, and the earphones and the microphone are worn;
(2) starting the device;
(3) the MR module can simulate different environments, different weather, different sexes, different ages and different injury conditions for the simulation training of the wearer, and provides a corresponding rescue scheme for the wearer through information acquisition and analysis;
(4) can simulate self rescue and multi-person cooperative rescue;
(5) the wearer can complete the simulated training by operating according to the scheme provided by the system.
The invention has the beneficial effects that:
designing a typical rescue scene aiming at the rescue module so as to realize highly simulated pre-war rescue simulation training; the MR technology is combined with rescue application requirements under the battlefield extreme environment, the battlefield extreme environment comprises smoke, gunshot, explosion, vibration and the like, the rescue application requirements comprise visual information sharing, aging treatment and the like, and rescue management efficiency and treatment efficiency of a battlefield hospital are improved; the method is characterized in that three-dimensional recognition tracking and positioning based on semantic and two-dimensional image characteristics are realized based on an MR tracking registration technology, expert marks are quickly and accurately aligned with an actual scene, rescue workers are guided to operate accurately, and self-confidence and rescue efficiency of nonprofessional rescue workers are improved; the method provides convenient and quick immersive three-dimensional rescue guidance in a complex battlefield environment; the MR technology provides immersive non-following virtual display, does not influence rescue operation, and meanwhile achieves information display control of hands by means of interaction such as voice and eye movement, and obtains help guidance information.
The project provides a battlefield rescue training scheme based on the MR technology, a virtual-real fusion battlefield is constructed by fusing a real combat casualty scene and a specific virtual environment together, diversified first-aid environment training is provided for rescue personnel, battlefield rescue is simulated more effectively and vividly, the training cost of the training is reduced, the battlefield rescue effect is improved rapidly and comprehensively, and the capacity of medical service support is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic diagram showing the connection relationship between the circuit modules according to the present invention;
FIG. 4 is a schematic view of the overall construction of the wheel of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. an MR spectacle module; 101. a transfer beam; 130. a processing unit; 131. a power supply module; 132. a wireless connection module; 133. an audio module; 134. an MR circuit module; 2. mounting a head ring; 201. tightening and loosening the knob; 202. a microphone and a speaker; 3. an electric control box.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 4, a simulated training device for pre-war rescue based on MR technology includes an MR glasses module 1, a mounting head ring 2, an electric control box 3 and a simulated training system, and is characterized in that: the simulation training system comprises five rescue modules, namely wounded person assessment, airway management, hemostasis and hypovolemic shock management, tension pneumothorax treatment and fracture splint fixation; the front end of the mounting head ring 2 is hinged with the MR glasses module 1, and the rear end of the mounting head ring 2 is fixedly connected with the electric control box 3; the MR glasses module 1 comprises a binocular GBR sensor, a lens, an eyepiece and a screen, a processing unit 130, a power supply module 131, a wireless connection module 132 and an audio module 133 are arranged in an electric control box, and the audio modules 133 are arranged on two sides of the mounting head ring 2.
The triage assessment comprises:
evaluating the surrounding environment: determining that an item required for human material isolation prevention has been carried; determining field safety, injury mechanisms, number of injured persons, whether additional personnel or resource support is required, whether special equipment is required;
sixthly, preliminary evaluation: the purpose of the preliminary evaluation is to determine whether the wounded person dies immediately according to the degree of illness of the wounded person; not to interrupt the preliminary assessment unless there is an airway obstruction or sudden cardiac arrest; preliminary assessments include general condition, level of consciousness, airway assessment, respiratory assessment, circulatory assessment, exposure to wounds; reference is made to Casey Bond Main edition, Yiwen Master translation of Cijing Hospital, advanced battlefield first aid skill training Manual of medical staff in army and battlefield for 9 preliminary evaluation steps;
seventhly, rapidly inspecting the injury: the method is a quick inspection method for searching for fatal injuries, and if time is allowed, more detailed inspection is carried out after quick injury inspection; the method comprises the steps of performing primary airway management, auxiliary ventilation, cardiopulmonary resuscitation if necessary, hemostasis of massive bleeding, closing of an open chest wound, stabilization of a flail chest, pressure reduction of a tension pneumothorax, and fixation of foreign matters on puncture; 9 steps of rapid wound condition examination adopt Casey Bond main edition, Yiwen Master translation of Xijing hospital, advanced battlefield first aid skill training manual of medical staff in army and battlefield;
and eighthly, further injury evaluation: the patient history information and the basic vital signs are obtained by a SAMPLE method, and the disability assessment is carried out by physical examination of the nervous system.
The airway management includes: firstly, determining whether the wounded person breathes, and considering the supply of oxygen through artificial ventilation, including the treatment of airway obstruction, a method of lifting the chin upwards, the establishment of an artificial airway by using an oronasopharyngeal airway, the establishment of an artificial airway through an esophageal-tracheal airway and an emergency circumcision.
The hemostasis and hypovolemic shock management comprises: directly pressing by adopting a tourniquet;
the treatment steps for hypovolemic shock are as follows:
The treatment method of the tension pneumothorax is emergency acupuncture decompression.
The trauma fracture splint fixing comprises: on the battlefield, surrounding objects, such as wood boards, bamboo poles, wood sticks, branches, curled magazines, newspapers, cardboard, pillows and the like, are often required to be reformed into splints; the splint is used to fix the fracture site to prevent further injury and stop bleeding.
The processing unit 130 is electrically connected with a power supply module 131, a wireless connection module 132, an audio module 133 and an MR circuit module 134;
the power supply module 131 comprises a storage battery, a charging circuit and a solar power supply board, and the solar power supply board is fixedly arranged on the rear side surface of the electric control box 3;
the wireless connection module 132 comprises a 5G network module, a WIFI module and a Bluetooth module;
the audio module 133 includes a microphone and speaker 202, and the microphone and speaker 202 is detachably connected to both sides of the mounting head ring 2 through a wire connector, which includes but is not limited to one or more of a DC charging port, a Type-C interface, or a 3.5 earphone interface;
the MR circuit module 134 includes a binocular GBR sensor, a lens, and a screen.
The two sides of the mounting head ring 2 are provided with elastic knobs 201.
Example 2
The use method of the invention comprises the following steps: before use, the elastic knob 201 is adjusted, the mounting head ring 2 is worn on the head, the angle and the position of the MR glasses are adjusted, and earphones and a microphone are worn; starting the device; the MR module can simulate different environments (sea, land, air, polar regions and the like), different weather (wind, rain, snow and the like), different sexes, ages and injury conditions for a wearer to carry out simulation training, and provides a corresponding rescue scheme for the wearer through information acquisition and analysis;
(6) can simulate self rescue and multi-person cooperative rescue;
(7) the wearer can complete the simulated training by operating according to the scheme provided by the system.
Example 3
Designing a typical rescue scene aiming at the rescue module so as to realize highly simulated pre-war rescue simulation training; the MR technology is combined with rescue application requirements under the battlefield extreme environment, the battlefield extreme environment comprises smoke, gunshot, explosion, vibration and the like, the rescue application requirements comprise visual information sharing, aging treatment and the like, and rescue management efficiency and treatment efficiency of a battlefield hospital are improved; the method is characterized in that three-dimensional recognition tracking and positioning based on semantic and two-dimensional image characteristics are realized based on an MR tracking registration technology, expert marks are quickly and accurately aligned with an actual scene, rescue workers are guided to operate accurately, and self-confidence and rescue efficiency of nonprofessional rescue workers are improved; the method provides convenient and quick immersive three-dimensional rescue guidance in a complex battlefield environment; the MR technology provides immersive non-following virtual display, does not influence rescue operation, and meanwhile achieves information display control of hands by means of interaction such as voice and eye movement, and obtains help guidance information.
The project provides a battlefield rescue training scheme based on the MR technology, a virtual-real fusion battlefield is constructed by fusing a real combat casualty scene and a specific virtual environment together, diversified first-aid environment training is provided for rescue personnel, battlefield rescue is simulated more effectively and vividly, the training cost of the training is reduced, the battlefield rescue effect is improved rapidly and comprehensively, and the capacity of medical service support is improved.
Example 4
Because modern battlefield training cost is high, battlefield rescue personnel often can not obtain the pre-war training with high simulation degree, the project provides a battlefield rescue training scheme based on MR technology, and a virtual-real fusion battlefield is constructed by fusing real combat casualty scenes and specific virtual environments together, so that diversified first-aid environment training is provided for the rescue personnel, battlefield rescue is simulated more effectively and vividly, the battlefield rescue effect can be improved rapidly and comprehensively while the training cost is reduced, and the capacity of medical service support is improved.
1. A typical rescue scene is designed aiming at rescue modules such as wounded person assessment, airway management, hemostasis and hypovolemic shock management, tension pneumothorax rescue, fracture clamping plate fixation and the like by combining with visual intelligent wearing equipment of an MR technology so as to realize highly-simulated pre-war rescue simulation training.
2. Through 2 times of simulation training, relevant data are collected and summarized, an evaluation system is formulated, and a pre-war rescue simulation training system is adjusted and perfected.
3. Establishing a battlefield rescue guide based on MR technology: the method is characterized in that a rapid and efficient information sharing platform, a wounded condition classification and triage system, a battlefield remote expert real-time coaching and training system and an immersion type rescue guidance based on a pre-war rescue simulation training system are established, so that the rescue efficiency is improved.
Example 5
The pre-war rescue simulation training system of the MR technology comprises 5 modules: evaluation of wounded, airway management, hemostasis and hypovolemic shock management, tension pneumothorax treatment, and fracture splint fixation. Selecting suitable training targets, reasonable physiological parameter settings, diverse cases, possible action lists in characteristic environments, rooms and 3D item lists for each MR rescue scenario module, respectively, and setting and determining elements [1] of vision/sound/test signals, team members, how learners interact with environments/objects/patients/laboratory results/commands, user-guided tutorials, track-and-locate systems, feedback plans, etc. The system is further improved by organizing two times of simulation training of rescue workers so as to realize highly simulated pre-war rescue simulation training. In addition, a quick and efficient information sharing system, a wounded classification and triage system and an expert remote guidance system are innovatively developed so as to ensure the rescue efficiency and accuracy; by means of a perfect pre-war rescue simulation training system, visual and efficient immersive rescue guidance in a battlefield is achieved under the condition of no network support.
Example 6
The material of the machine body can adopt PC and ABS;
binocular GBR sensor CMOS Binocular RGB Sensors:
pupil distance: 62.5 mm; a shutter: electronic Rolling Shutter; size: 1/2.7; resolution ratio: monocular-210 ten thousand Pixels Monoculr-2.1 Million Pixels; frame rate: 60 Hz; pixel size: 3.0um by 3.0 um;
lens:
resolution ratio: 300 Million Pixels 3.0Million Pixels; the material is as follows: optical Glass (with IR filter) Optical Glass (with lR filter); focal length: 2.8 mm;
the processing unit 130:
the model is as follows: two FPGAs-Xilinx Spartan-6 LX 45/build-in two FPGAs-Xilinx Spartan-6 LX45 are arranged inside;
IMU：
the types are as follows: a nine-axis Sensor 9 Dof Sensor (Gyroscope, Accelerometer, magnemeter); refresh rate: 200 Hz;
eyepiece:
the types are as follows: achromatism double-cemented glue laser; the material is as follows: optical Glass (Crown Glass & Flint Glass); pupil distance: 62.5 mm; the field angle: 110 ° (D) x 84 ° (H) x 96 ° (V);
a screen:
the types are as follows: AMOLED dual screen duai 3.81 AMOLED screen 2160 1200; size: 3.81 ×; refresh rate: 90 Hz; resolution ratio: Monocular-1080X 1200 Monocaul.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The utility model provides a pre-war rescue simulation training device based on MR technique, includes MR glasses module, installation head ring, electric control box and simulation training system, its characterized in that: the simulation training system comprises five rescue modules, namely wounded person assessment, airway management, hemostasis and hypovolemic shock management, tension pneumothorax treatment and fracture splint fixation; the front end of the mounting head ring is hinged with the MR glasses, and the rear end of the mounting head ring is fixedly connected with the electric control box; MR glasses module is inside including two mesh GBR sensors, camera lens, eyepiece and screen, sets up processing unit, power module, wireless connection module and audio module in the automatically controlled box, and installation head ring both sides are provided with audio module.
2. The training device for simulating the pre-war rescue based on the MR technology as claimed in claim 1, wherein: the triage assessment comprises:
evaluating the surrounding environment: determining that an item required for human material isolation prevention has been carried; determining field safety, injury mechanisms, number of injured persons, whether additional personnel or resource support is required, whether special equipment is required;
secondly, preliminary evaluation: the purpose of the preliminary evaluation is to determine whether the wounded person dies immediately according to the degree of illness of the wounded person; not to interrupt the preliminary assessment unless there is an airway obstruction or sudden cardiac arrest; preliminary assessments include general condition, level of consciousness, airway assessment, respiratory assessment, circulatory assessment, exposure to wounds; reference is made to Casey Bond Main edition, Yiwen Master translation of Cijing Hospital, advanced battlefield first aid skill training Manual of medical staff in army and battlefield for 9 preliminary evaluation steps;
and thirdly, fast injury examination: the method is a quick inspection method for searching for fatal injuries, and if time is allowed, more detailed inspection is carried out after quick injury inspection; the method comprises the steps of performing primary airway management, auxiliary ventilation, cardiopulmonary resuscitation if necessary, hemostasis of massive bleeding, closing of an open chest wound, stabilization of a flail chest, pressure reduction of a tension pneumothorax, and fixation of foreign matters on puncture; 9 steps of rapid wound condition examination adopt Casey Bond main edition, Yiwen Master translation of Xijing hospital, advanced battlefield first aid skill training manual of medical staff in army and battlefield;
fourthly, further injury assessment: the patient history information and the basic vital signs are obtained by a SAMPLE method, and the disability assessment is carried out by physical examination of the nervous system.
3. The training device for simulating the pre-war rescue based on the MR technology as claimed in claim 1, wherein: the airway management includes: firstly, determining whether the wounded person breathes, and considering the supply of oxygen through artificial ventilation, including the treatment of airway obstruction, a method of lifting the chin upwards, the establishment of an artificial airway by using an oronasopharyngeal airway, the establishment of an artificial airway through an esophageal-tracheal airway and an emergency circumcision.
4. The training device for simulating the pre-war rescue based on the MR technology as claimed in claim 1, wherein: the hemostasis and hypovolemic shock management comprises: directly pressing by adopting a tourniquet; the treatment steps for hypovolemic shock are as follows:
firstly, a head raising and jaw raising method or a mandible lifting method is applied to maintain the smooth airway;
if necessary, giving ventilation support and applying an oxygen storage mask as soon as possible, wherein the oxygen flow is 15L/min;
thirdly, external bleeding is controlled by direct pressurization, hemostasis point compression, splint fixation or tourniquet;
fourthly, under the condition of helping hands, the breathing and the hemostasis are controlled to be carried out simultaneously, and the tourniquet is the first choice for hemostasis;
fifthly, blood circulation can be maintained through intravenous fluid infusion;
sixthly, acquiring basic vital signs and performing simple nervous system examination to determine the level of consciousness, eye movement function and pupil light reflex;
seventhly, the patient is placed and the bleeding part is exposed. Except for those who suspect abnormal head and neck and dyspnea, the patient adopts a position with a head lower than feet, lifts the legs by 15-30cm, and uses a lateral position or a horizontal position with the head biased to one side (forbidden when the cranium or the spine is injured) if the sick and wounded vomit or bleed around the mouth; when the wounded is completely exposed, searching whether other injuries exist;
maintaining normal body temperature, avoiding hypothermia, reducing the damage of shock to the organism, and if the conditions allow, wrapping the wounded with a blanket or a heat-preservation bag;
ninthly, performing nervous system examination and vital sign measurement every 5 minutes;
the red (r) transports the victim to the nearest medical treatment site as soon as possible.
5. The training device for simulating the pre-war rescue based on the MR technology as claimed in claim 1, wherein: the treatment method of the tension pneumothorax is emergency acupuncture decompression.
6. The training device for simulating the pre-war rescue based on the MR technology as claimed in claim 1, wherein: the trauma fracture splint fixing comprises: on the battlefield, surrounding objects, such as wood boards, bamboo poles, wood sticks, branches, curled magazines, newspapers, cardboard, pillows and the like, are often required to be reformed into splints; the splint is used to fix the fracture site to prevent further injury and stop bleeding.
7. The training device for simulating the pre-war rescue based on the MR technology as claimed in claim 1, wherein: the processing unit is electrically connected with the power supply module, the wireless connection module, the audio module and the MR circuit module;
the power supply module comprises a storage battery, a charging circuit and a solar power supply board, and the solar power supply board is fixedly arranged on the rear side surface of the electric control box;
the wireless connection module comprises a 5G network module, a WIFI module and a Bluetooth module;
the audio module comprises a microphone and a loudspeaker, the microphone and the loudspeaker are detachably connected to two sides of the mounting head ring through wire connectors, and the wire connectors comprise but are not limited to one or more of a DC charging port, a Type-C interface or a 3.5 earphone interface;
the MR circuit module comprises a binocular GBR sensor, a lens and a screen.
8. The training device for simulating the pre-war rescue based on the MR technology as claimed in claim 1, wherein: and elastic knobs are arranged on two sides of the mounting head ring.
9. Use method of a simulated training device for pre-war rescue based on MR technique according to any of claims 1-8, characterized in that:
(1) before use, the elastic knob is adjusted, the mounting head ring is worn on the head, the angle and the position of the MR glasses are adjusted, and the earphones and the microphone are worn;
(2) starting the device;
(3) the MR module can simulate different environments, different weather, different sexes, different ages and different injury conditions for the simulation training of the wearer, and provides a corresponding rescue scheme for the wearer through information acquisition and analysis;
(4) can simulate self rescue and multi-person cooperative rescue;
(5) the wearer can complete the simulated training by operating according to the scheme provided by the system.
10. The pre-war rescue simulation training device based on the MR technology as claimed in any one of claims 1-8, which discloses an application of the pre-war rescue simulation training device based on the MR technology in the technical field of military rescue.
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