A simulation mannequin for simulating treatment of heat stroke

Abstract

The application provides a simulation dummy for simulating heatstroke treatment, which comprises a skeleton system, a blood pumping system, an internal organ system, a skin system, a fluid temperature control pulsating pumping system and a temperature sensing detection system; the skeleton system, the blood pumping system, the internal organ system, the skin system and the fluid temperature control pulsating pumping system are arranged to simulate human body tissue structure and body temperature change; when in use, the simulation dummy can be used to simulate heatstroke symptoms and human body temperature regulation mechanism; the temperature sensing detection system is arranged to monitor the temperature of each region of the human body in real time, so that the user can more accurately and comprehensively master the temperature change of each part of the human body in the heatstroke treatment process when using the simulation dummy, and further more accurately master the heatstroke treatment research and the emergency treatment knowledge of heatstroke.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of medical teaching auxiliary devices, and particularly relates to a simulation dummy for simulating treatment of heat stroke. BACKGROUND

[0002] Heat stroke is the most severe case of heat-related illness, i.e., severe heat stroke, which is a serious and fatal disease with body temperature rapidly rising to generally more than 40℃, accompanied by skin burning, consciousness disorder (e.g., delirium, convulsions, coma) and multiple organ dysfunction, and is the most severe type of heat stroke with extremely high mortality. Once heat stroke symptoms occur, fluid replacement and physical cooling need to be performed immediately, and transportation to a hospital is required, and cooling needs to be continued during transportation and treatment. One of the main reasons for the high mortality rate of heat stroke is that heat stroke is not treated in time and accurately. In the prior art, the incidence of heat stroke is less than one in a thousand, so the research and teaching training for heat stroke are not widely promoted. Some enterprises that often need to carry out outdoor activities generally use the video watching method to carry out emergency treatment teaching training for heat stroke. However, the video watching method obviously cannot fully and accurately understand the treatment process, so how to obtain a simulation dummy for simulating treatment of heat stroke to enable people to better study the temperature change trend of the human body after heat stroke and master the knowledge of emergency treatment of heat stroke so as to reduce the mortality rate of heat stroke is a technical problem that needs to be solved in the field. SUMMARY

[0003] The application is proposed to solve the technical problem of lack of simulation teaching aids for research and teaching training of treatment of heat stroke in the prior art. The application provides a simulation dummy for simulating treatment of heat stroke, which can simulate the human body temperature regulation mechanism and simulate heat stroke symptoms for users to simulate treatment, so that the users can more accurately and comprehensively master the knowledge of emergency treatment of heat stroke and reduce the mortality rate of heat stroke.

[0004] To achieve the above-mentioned purpose, the application adopts the following technical solutions:

[0005] The simulation dummy for simulating treatment of heat stroke comprises a skeletal system, a blood pumping system, an internal organ system, a skin system, a fluid temperature control pulsatile pumping system and a temperature sensing and detecting system.

[0006] The skeletal system comprises a skull area, a thoracic cavity area and an abdominal cavity area. The skull area is internally provided with a hollow brain structure, and the brain structure is filled with temperature control fluid.

[0007] The blood pumping system comprises hollow heart structure and blood vessel structure, the heart structure is arranged in the chest cavity area, the heart structure is filled with temperature control fluid, and the heart structure is connected with the brain structure through blood vessel structure;

[0008] The internal organ system comprises several hollow internal organ structures, and the internal organ structures are arranged in the chest cavity area or the abdominal cavity area, the internal organ structures are filled with temperature control fluid, and the internal organ structures are connected with the heart structure through blood vessel structure;

[0009] The skin system is wrapped outside the skeleton system, and the skin system comprises muscle layer, heat conduction layer and epidermis layer which are sequentially attached together away from the skeleton system;

[0010] The fluid temperature control pulsatile pumping system comprises pulsatile pump and temperature control device, and the pulsatile pump and the temperature control device are arranged outside the skin system, and the pulsatile pump, the temperature control device and the heart structure are connected in series through connecting pipe;

[0011] The temperature sensing detection system comprises controller and several embedded fiber Bragg grating temperature sensors which are signal connected with the controller, and the embedded fiber Bragg grating temperature sensors are arranged in the brain structure, the heart structure, the blood vessel structure, the internal organ structure and the epidermis layer of the skin system.

[0012] Further, the skeleton system is 3D printed.

[0013] Further, the 3D printing material of the skeleton system is PVC resin, and the thermal conductivity coefficient of the PVC resin is 0.25-0.33 W / (m*k).

[0014] Further, the brain structure is 3D printed.

[0015] Further, the internal organ structures are 3D printed.

[0016] Further, the temperature control fluid is water or oil.

[0017] Further, the heart structure is provided with first atrium and second atrium; the blood vessel structure comprises aorta structure and arteriovenous structure, the first atrium is connected with the brain structure and the internal organ structure through the aorta structure, and the second atrium is connected with the brain structure and the internal organ structure through the arteriovenous structure;

[0018] Further, the muscle layer is made of 3D printing, the heat conduction layer is made of heat-conducting silica gel, the skin layer includes a water barrier layer and a heat dissipation layer, the water barrier layer is attached to the heat conduction layer, and the heat dissipation layer is attached to the water barrier layer.

[0019] Further, the heat conduction coefficient of the heat-conducting silica gel is 1-7 W / (m*k).

[0020] Further, the water barrier layer is made of water-absorbing resin, and the heat dissipation layer is made of silica gel, and the heat dissipation layer is uniformly distributed with capillary holes.

[0021] The beneficial effects of the present application are:

[0022] The present application simulates the human body tissue structure and body temperature change by setting the skeleton system, blood pumping system, internal organ system, skin system and fluid temperature control pulsatile pumping system, which can be used to simulate heat stroke symptoms and can also be used to simulate human body temperature regulation mechanism. The temperature sensing detection system is used to monitor the temperature of each region of the human body in real time, so that the user can more accurately and comprehensively master the temperature change of each part of the human body in the heat stroke treatment process, and further improve the research of heat stroke treatment and the accurate knowledge of heat stroke emergency treatment.

[0023] The skeleton structure of the present application is made of PVC resin material with a heat conduction coefficient of 0.25-0.33 W / (m*k), and the heat conduction coefficient of human skeleton is (0.33) W / (m*k). Therefore, the above-mentioned material can fully simulate the heat conduction of human skeleton, thereby effectively improving the accuracy of the simulation dummy in simulating heat stroke symptoms and treatment process.

[0024] The skin system of the present application includes a muscle layer, a heat conduction layer and a skin layer, wherein the heat conduction layer is made of heat-conducting silica gel with a heat conduction coefficient of 1-7 W / (m*k), and the skin layer is provided with a heat dissipation layer made of silica gel with uniformly distributed capillary holes. In use, it can simulate the process of human sweat evaporation and heat dissipation, further improving the accuracy of the simulation dummy in simulating heat stroke symptoms and treatment process. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating laborious work.

[0026] Figure 1 The structure schematic diagram of the simulation dummy for the embodiments of the present application is provided;

[0027] Figure 2 Part of the blood pumping system structure schematic diagram provided by the embodiment of the application is shown in the following figure;

[0028] Figure 3 The longitudinal section schematic diagram of the skin system provided by the embodiment of the application is shown in the following figure;

[0029] Figure 4 The transverse section schematic diagram of the skin system provided by the embodiment of the application is shown in the following figure.

[0030] Explanation of reference signs:

[0031] Skull region 110, brain structure 111, thoracic cavity region 120, abdominal cavity region 130, heart structure 210, aorta structure 221, arteriovenous structure 222, internal organ structure 310, muscle layer 410, heat conduction layer 420, water barrier layer 431, heat dissipation layer 432, capillary tube 440, pulsatile pump 510, temperature control device 520, embedded fiber Bragg grating temperature sensor 610. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the application will be clearly and completely described in the specification of the application combined with the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, not all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the application.

[0033] In the description of the application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the application and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0034] In the description of the application, it is necessary to point out that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "linking" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection or can communicate with each other; it can be directly connected, or indirectly connected through intermediate medium, or the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0035] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "over" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "under" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0036] In order to simplify the disclosure of the present application, the components and arrangements of specific examples are described hereinafter. Of course, they are only examples and the purpose is not to limit the present application. In addition, the present application provides various specific examples of processes and materials, but those skilled in the art can realize the application of other processes and / or the use of other materials.

[0037] The embodiment of the present application provides a simulation dummy for simulating treatment of heat stroke, as shown in Figure 1 The simulation dummy is shaped according to the structure of human body, which specifically includes a skeletal system, a blood pumping system, an internal organ system, a skin system, a fluid temperature control pulsatile pumping system and a temperature sensing detection system.

[0038] The skeleton system is obtained by 3D printing of PVC resin material, the thermal conductivity of the PVC resin material is 0.33 W / (m*k), in the actual application process, the preparation material of the skeleton system is not limited to the above-mentioned PVC resin material, the purpose of using the material is that the thermal conductivity of the material is very similar to the actual thermal conductivity of human bone, and the human body heat dissipation process can be more accurately simulated in use, therefore, those skilled in the art can use other 3D printing materials with the same or similar thermal conductivity in the prior art to prepare the skeleton system according to the above purpose. The skeleton system specifically includes a skull area 110, a chest cavity area 120 and an abdominal cavity area 130; the skull area 110 is internally provided with a hollow brain structure 111, the brain structure 111 is obtained by 3D printing of PVC resin material, the thermal conductivity of the PVC resin material is 0.33 W / (m*k), in the actual application process, the preparation material of the brain structure 111 is not limited to the above-mentioned PVC resin material, the purpose of using the material is that the thermal conductivity of the material is very similar to the actual thermal conductivity of human brain, and the human body heat dissipation process can be more accurately simulated in use, therefore, those skilled in the art can use other 3D printing materials with the same or similar thermal conductivity in the prior art to prepare the brain structure 111 according to the above purpose. The brain structure 111 is filled with temperature control fluid; the temperature control fluid is water, which is used to simulate human blood, and other flowing liquids can also be used as temperature control fluid according to actual needs in the actual application process.

[0039] As shown in Figure 2 The blood pumping system includes a hollow heart structure 210 and a blood vessel structure, the heart structure 210 is arranged in the chest cavity area 120, the heart structure 210 is filled with temperature control fluid, and the heart structure 210 is provided with a first atrium and a second atrium; the blood vessel structure includes a aorta structure 221 and a arteriovenous structure 222, the first atrium is connected with the brain structure 111 through the aorta structure 221, and the second atrium is connected with the brain structure 111 through the arteriovenous structure 222. So that the temperature control fluid can circulate between the heart structure 210 and the brain structure 111, thereby achieving the effect of simulating blood circulation.

[0040] The internal organ system is made of PVC resin material by 3D printing, and includes a plurality of hollow internal organ structures 310, each of which is a lung structure, a liver structure, a pancreas structure, a spleen structure, and a kidney structure. The above-mentioned internal organ structures 310 are installed according to the actual position of the internal organ structure of the human body, specifically, the lung structure is arranged in the thoracic cavity area 120 and located outside the heart structure 210, and the liver structure, pancreas structure, spleen structure, and kidney structure are arranged in the abdominal cavity area 130. The internal organ structures are filled with temperature control fluid, and the internal organ structures are connected to the first atrium through the aorta structure 221 and the second atrium through the arteriovenous structure 222, so that the temperature control fluid can circulate between the heart structure 210 and the internal organ structure, thereby achieving the effect of simulating blood circulation.

[0041] The skin system is wrapped outside the skeleton system. In actual application, in order to facilitate the fixation of the internal organ system, silica gel is filled between the skin system and the skeleton system. The silica gel is poured into a mold to form the required shape and then filled between the skin system and the skeleton system. Figure 3 and Figure 4 As shown in the drawings, the skin system includes a muscle layer 410, a heat conduction layer 420, and an epidermis layer successively attached together away from the skeleton system. The muscle layer 410 is made of 3D printing, and the material used is PVC resin material with a thermal conductivity coefficient of 0.45 W / (m*k), which is close to the thermal conductivity coefficient of human muscle and can simulate the actual heat dissipation of human muscle in application. The heat conduction layer 420 is made of heat-conducting silica gel, and the thermal conductivity coefficient of the heat-conducting silica gel is 2 W / (m*k). The heat conduction layer 420 and the muscle layer 410 are also uniformly provided with a fine tube 440, which is connected to the first atrium through the aorta structure 221 and to the second atrium through the arteriovenous structure 222, so that the temperature control fluid can circulate between the heart structure 210 and the fine tube 440, thereby achieving the effect of simulating blood circulation. The epidermis layer includes a water barrier layer 431 and a heat dissipation layer 432, the water barrier layer 431 is attached to the heat conduction layer 420, and the heat dissipation layer 432 is attached to the water barrier layer 431. The water barrier layer 431 is made of water-absorbing resin, and the heat dissipation layer 432 is made of silica gel, and the heat dissipation layer 432 is uniformly distributed with capillary holes. In use, water is first injected into the water barrier layer 431 to make the water-absorbing resin (i.e. water barrier layer 431) fully absorb water, thereby simulating human water. In order to facilitate the injection of water into the water barrier layer 431, the heat dissipation layer 432 is provided with a water injection port for injecting water into the water barrier layer 431.

[0042] The fluid temperature control pulsating pumping system comprises a pulsating pump 510 and a temperature control device 520, both of which are arranged outside the skin system, and the pulsating pump 510 is a pulsating pump with a pulsating frequency of 60-180 bpm. When installed, the pulsating pump 510 and the temperature control device 520 are connected in series and connected to the first atrium and the second atrium of the heart structure 210 through the connecting pipe, so that the temperature control fluid can realize circulating flow under the action of the pulsating pump 510, and the temperature control device 520 arranged can be used to control the temperature of the temperature control fluid during use, so as to achieve the effect of simulating heat stroke symptoms.

[0043] The temperature sensing detection system comprises a controller and a plurality of embedded fiber grating temperature sensors 610 connected to the controller, and a plurality of embedded fiber grating temperature sensors 610 are arranged in the brain structure 111, the heart structure 210, the aorta structure 221 of the blood vessel structure, the arteriovenous structure 222, the internal organ structure 310 and the heat dissipation layer 432 of the skin system. For the skin system, the embedded fiber grating temperature sensor 610 can be arranged at the corresponding positions of the armpit, limbs, face and the like of the human body for temperature detection, and those skilled in the art can arrange according to actual needs. The main reason why the brain structure 111, the heart structure 210, the blood vessel structure and the internal organ structure 310 and the like are monitored for temperature is that the body surface temperature (i.e. the temperature of the skin system) of the human body cannot well reflect the core body temperature, and the core body temperature can better reflect the actual body temperature of the human body. In the practice process, the heat stroke cannot be timely and accurately treated because the rescuers can only judge the cooling condition by the body surface temperature during the treatment and cooling process, and cannot obtain the core body temperature of the human body, so that the heat stroke cannot be timely and accurately treated. The change process of the core body temperature of the human body can be more accurately judged by detecting the temperature of the internal structure of the simulation dummy, so that the treatment research and treatment teaching training of the heat stroke are more intuitive, and people can more accurately master the emergency treatment knowledge of the heat stroke.

[0044] The use method of the simulation dummy for simulating the treatment of heat stroke disclosed in the above embodiment of the application is briefly described as follows:

[0045] It should be noted that the controller of the temperature sensing detection system and the temperature control device 520 need to be connected to an external terminal during use for real-time monitoring of each embedded fiber grating temperature sensor 610 and online control of the temperature control device 520.

[0046] In use, firstly, the temperature control fluid in circulation is heated by the temperature control device 520, and the heated fluid is circulated to the brain structure, the internal organ system and the skin system by the blood pumping system (i.e. the heart structure and the blood vessel structure) through the pulsatile pump 510, and finally the surface temperature of the simulation dummy reaches 40℃ (i.e. the embedded fiber Bragg grating temperature sensor 610 in the skin system reaches 40℃), at this time, it is determined that the simulation dummy is in the heat stroke condition, and the temperature control device is kept in the constant output power state to simulate the continuous heat production of the human body. Then, the simulation dummy is simulated for treatment and the temperature changes of each region of the human body are observed (the pulsatile pump is in working state during the treatment process to simulate the heartbeat of the human body), so that it can be more intuitive to understand which treatment method can quickly and effectively treat heat stroke, so that people can more accurately master the knowledge of emergency treatment of heat stroke.

[0047] The simulation dummy for simulating the treatment of heat stroke provided by the embodiments of the present application is described in detail above, and the principles and implementation manners of the present application are described by applying specific examples. The above embodiment description is only used to help understand the technical solutions of the present application and the core idea thereof; those skilled in the art should understand that the technical solutions recorded in the above embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A simulated humanoid dummy for treating heatstroke, characterized in that: This includes the skeletal system, blood pumping system, internal organ system, skin system, fluid temperature-controlled pulse pumping system, and temperature sensing and detection system; The skeletal system includes a skull region, a thoracic cavity region, and an abdominal cavity region; the skull region contains a hollow brain structure, which is filled with a temperature-controlled fluid. The blood pumping system includes a hollow heart structure and a vascular structure. The heart structure is located in the thoracic cavity and is filled with a temperature-controlled fluid. The heart structure is connected to the brain structure through the vascular structure. The visceral system includes several hollow visceral structures, which are respectively located in the thoracic cavity or the abdominal cavity. Each of the visceral structures is filled with a temperature-controlled fluid, and each of the visceral structures is connected to the heart structure through a vascular structure. The skin system covers the outside of the skeletal system, and the skin system includes a muscle layer, a thermally conductive layer, and an epidermal layer that are sequentially attached together along a direction away from the skeletal system; The fluid temperature-controlled pulse pumping system includes a pulse pump and a temperature control device. Both the pulse pump and the temperature control device are located outside the skin system. The pulse pump, the temperature control device, and the heart structure are connected in series via a connecting pipe. The temperature sensing and detection system includes a controller and several embedded fiber Bragg grating temperature sensors that are signal-connected to the controller. The several embedded fiber Bragg grating temperature sensors are respectively disposed in the brain structure, heart structure, blood vessel structure, internal organ structure and epidermal layer of the skin system. The muscle layer is made by 3D printing, the thermally conductive layer is made of thermally conductive silicone, and the epidermal layer includes a water-resistant layer and a heat dissipation layer. The water-resistant layer is attached to the thermally conductive layer, and the heat dissipation layer is attached to the water-resistant layer. The waterproof layer is made of water-absorbing resin, the heat dissipation layer is made of silicone, and the heat dissipation layer has capillaries evenly distributed on it.

2. The simulated dummy for treating heatstroke as described in claim 1, characterized in that: The skeletal system was 3D printed.

3. The simulated dummy for treating heatstroke as described in claim 1, characterized in that: The skeletal system uses PVC resin as the 3D printing material, and the thermal conductivity of the PVC resin is 0.25-0.33 W / (m*k).

4. The simulated dummy for treating heatstroke as described in claim 1, characterized in that: The brain structure was formed using 3D printing.

5. The simulated dummy for treating heatstroke as described in claim 1, characterized in that: Several of the internal organ structures were 3D printed.

6. The simulated dummy for treating heatstroke as described in claim 1, characterized in that: The heart structure includes a first atrium and a second atrium; the vascular structure includes an aortic structure and a venous artery structure, the first atrium is connected to the brain structure and the visceral structure through the aortic structure, and the second atrium is connected to the brain structure and the visceral structure through the venous artery structure.

7. The simulated dummy for treating heatstroke as described in claim 6, characterized in that: Thin tubes are evenly distributed between the heat-conducting layer and the muscle layer. These thin tubes are connected to the first atrium through the aortic structure and to the second atrium through the venous artery structure.

8. The simulated dummy for treating heatstroke as described in claim 1, characterized in that: The thermal conductivity of the thermally conductive silicone is 1-7 W / (m*k).

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