Compression hemostasis teaching aid for first-aid training of teenagers

Abstract

The utility model relates to the technical field of practice teaching molds, and discloses a compression hemostasis teaching aid for adolescent emergency training, which is provided with a liquid bag, a simulated artery blood vessel, a simulated vein blood vessel, a simulated capillary and a micro pump, the liquid bag is used for storing simulated blood; the simulated artery blood vessel, the simulated vein blood vessel and the simulated capillary blood vessel are all of transparent structures and are respectively connected with the liquid bag, and the simulated artery blood vessel, the simulated vein blood vessel and the simulated capillary blood vessel are respectively connected with valves for controlling the on / off state of a pipeline; the micro pump is used for outputting pumping pressure to the liquid bag, and the pumping pressure of the micro pump is adjustable corresponding to the set flow velocity of the simulated artery blood vessel, the simulated vein blood vessel and the simulated capillary blood vessel. The first-aid training device can simulate different blood vessels of a human body and press the corresponding blood vessels to force blood flow in the corresponding blood vessels to be stopped, so that teenagers can practice operation in training, and the teaching effect of first-aid training of the teenagers is effectively improved.

Description

Technical Field

[0001] This utility model relates to the technical field of practical teaching molds, specifically to a compression hemostasis teaching tool for first aid training of teenagers. Background Technology

[0002] In their first aid training activities for teenagers, the inventors' team discovered that due to the lack of practical and operational professional teaching models, teenagers mainly acquire first aid knowledge based on graphic displays and verbal explanations. Furthermore, due to their limited knowledge, their understanding of the content is relatively abstract, and they cannot intuitively perform practical operations, resulting in poor training effectiveness.

[0003] Compression hemostasis is a common first aid technique. It is also an important part of first aid training for teenagers. Since the human body has arteries, veins, and capillaries, and bleeding from each type has different effects on health, understanding bleeding from different vessels and performing corresponding compression hemostasis techniques is of great significance and requires a high level of practical application in training activities.

[0004] Among the various first aid teaching models currently available, none have been found that are suitable for pressure hemostasis.

[0005] Our team, after searching the existing technology, found no disclosed teaching models related to pressure hemostasis. The search revealed that teaching or training models related to vascular knowledge mainly include those published in Chinese patent documents such as "A Wearable Human Infusion Model and Method of Use" (publication number CN112435555A, publication date March 2, 2021) and "Arm Vein Puncture Model" (publication number CN105632311B, publication date July 6, 2018). These technologies are only used for simulating infusion or puncture and cannot simulate different vascular conditions or pressure hemostasis situations in the human body; therefore, they cannot be used for practical teaching of pressure hemostasis in first aid training for teenagers.

[0006] Therefore, considering the unique characteristics of teaching compression hemostasis in the aforementioned first aid training for teenagers, it is necessary to design a compression hemostasis teaching tool that can simulate different blood vessels in the human body and can press the corresponding blood vessels to force the blood flow in the corresponding blood vessels to stop. This will stimulate teenagers' hands-on interest, enable them to intuitively grasp the knowledge points of compression hemostasis, and improve the teaching effect of first aid training for teenagers. Utility Model Content

[0007] The technical objective of this utility model is to independently develop a pressure hemostasis teaching tool that can simulate different blood vessels in the human body and can press the corresponding blood vessels to force the blood flow in the corresponding blood vessels to stop, in view of the special characteristics of pressure hemostasis teaching in the above-mentioned first aid training for teenagers.

[0008] The technical solution adopted in this utility model is as follows:

[0009] A compression hemostasis training device for adolescents, comprising a liquid bag, simulated arteries, simulated veins, simulated capillaries, and a miniature pump;

[0010] The liquid bag is used to store simulated blood;

[0011] The simulated arteries, veins, and capillaries are all transparent structures and are connected to the liquid bag respectively. Each of the simulated arteries, veins, and capillaries is connected to a valve that controls the on / off state of the pipeline.

[0012] The micropump is used to output pumping pressure to the liquid bag, and the pumping pressure of the micropump is adjustable according to the set flow rate of the simulated artery, simulated vein and simulated capillary.

[0013] The above-mentioned technical measures are designed to address the specific needs of teaching compression hemostasis in first aid training for teenagers, and to address the unique characteristics of the body's major blood vessels. Through the coordinated operation of a miniature pump, a liquid bag, and three tubing connected to the liquid bag, the technical measures visually simulate the flow of blood in arteries, veins, and capillaries, enabling teenagers to intuitively understand and practice hemostasis (simulated compression hemostasis) during first aid training.

[0014] Specifically, using the pressure in different blood vessels in the human body as a reference, an adjustable micro-pump is used to set different pumping pressures. By simulating the conduction of arteries, veins, or capillaries, the micro-pump outputs the corresponding pumping pressure, so that the liquid in the liquid bag is transported through the corresponding pipeline, thus intuitively simulating the phenomenon of blood flow in the corresponding blood vessels in the human body. Of course, this simulation is only for the purpose of illustrative teaching and does not require a high degree of simulation of human blood vessels.

[0015] While simulating the blood flow phenomenon in corresponding blood vessels in the human body, the flow of fluid is stopped by pressing on the current tube, simulating the process of compression hemostasis. This helps teenagers intuitively understand the blood flow phenomenon in corresponding blood vessels in the human body, and combine theory with practice to master the methods and strength of compression hemostasis for bleeding in different blood vessels, effectively improving the teaching effect of first aid training for teenagers.

[0016] Furthermore, the compression hemostasis teaching aid also has a controller;

[0017] The valves representing the simulated arteries, veins, and capillaries are respectively connected to the controller via signals.

[0018] The operation of the micropump is controlled by the controller;

[0019] The controller adjusts the corresponding pumping pressure of the micropump based on the signal indicating the opening status of the corresponding valve on the simulated artery, simulated vein, or simulated capillary, so that the micropump outputs a set flow rate pumping pressure to the liquid bag corresponding to the simulated artery, simulated vein, or simulated capillary.

[0020] The above-mentioned technical measures link the opening status of different pipelines with the corresponding pumping pressure of the micro pump through the controller. Not only is the control structure simple and easy to implement, but the pumping pressure of the micro pump is also automatically adjusted by opening the corresponding pipelines. This can simulate the phenomenon of human blood flow in a more intuitive and reliable way. At the same time, it can effectively avoid pumping pressure adjustment errors caused by human operation, making the intuitive experience of different students more consistent and thus improving the teaching effect.

[0021] Furthermore, the compression hemostasis teaching device also has an armband that can be used to bind and fix the human arm;

[0022] The simulated arteries, simulated veins, and simulated capillaries are integrated on the armband, and the simulated arteries, simulated veins, and simulated capillaries are arranged at intervals and relatively independently on the armband;

[0023] The armband is transparent at least in the region integrating the simulated arteries, veins, and capillaries.

[0024] The aforementioned technical measures, by setting up an armband and integrating simulated arteries, veins, and capillaries onto the armband, facilitate fixation to the human arm, forming a more realistic and easily observable and operable simulation of blood flow in the human arm. The simulated arteries, veins, and capillaries are spaced apart and relatively independent on the armband, ensuring that they do not interfere with each other. The armband is transparent, at least in the area integrating the simulated arteries, veins, and capillaries, allowing for direct observation of the simulated blood flow in the simulated arteries, veins, and capillaries, as well as the effect of stasis control, effectively improving the teaching effect.

[0025] Furthermore, the armband has Velcro straps that are tightly fastened at both ends of the unfolded structure.

[0026] The above-mentioned technical measures, through the use of a magic strap, are simple to operate, facilitate the fixing and removal of the armband on the human arm, and provide good stability.

[0027] Furthermore, the compression hemostasis teaching aid also includes a recycling bag;

[0028] The simulated arteries, simulated veins, and simulated capillaries are respectively connected to the recycling bag;

[0029] The recycling bag is used to collect simulated blood discharged from the simulated arteries, simulated veins, or simulated capillaries.

[0030] The above-mentioned technical measures, by setting up a recycling bag and connecting the simulated arteries, veins and capillaries to the recycling bag respectively, can collect the simulated blood discharged from the simulated arteries, veins or capillaries, avoiding waste and environmental pollution caused by the leakage of simulated blood.

[0031] Furthermore, the recycling bag has a drain pipe, and a valve is connected to the drain pipe to control the on / off state of the pipeline.

[0032] The above-mentioned technical measures include a drainage pipe in the recycling bag, which is connected to a valve to control the on / off state of the pipeline, facilitating the discharge of simulated blood from the recycling bag. This method is applicable to different working conditions and effectively improves flexibility and convenience.

[0033] Furthermore, the drain pipe of the recycling bag is connected to the liquid bag via a circulation pipeline, and is used to circulate the simulated blood collected by the recycling bag to the liquid bag.

[0034] In the above-mentioned technical measures, the drain pipe is connected to the liquid bag through a circulation pipeline. On the one hand, this enables the circulation and use of simulated blood, effectively improving the utilization rate of simulated blood and reducing training costs. On the other hand, it ensures that the limited amount of simulated blood can be fully utilized by trainees for visual inspection and practical operation during the current training session.

[0035] Furthermore, the liquid bag has a capacity scale structure on its wall;

[0036] And / or, the liquid bag is connected to a suspension strap.

[0037] The liquid bag has a volume scale structure on its wall, which makes it easy to observe the volume of simulated blood in the liquid bag and combine it with theoretical knowledge to understand the finiteness of human blood. The liquid bag is connected to a suspension strap, which makes it easy to hang and fix the liquid bag on the trainee's body. This not only improves the convenience of operation, but also helps the trainee to feel the simulated blood as human blood during operation. This is especially prominent when the arm strap is used to fix the body.

[0038] Furthermore, the recycling bag is connected to a hanging strap.

[0039] The above-mentioned technical measures include a hanging strap connected to the recycling bag, which facilitates the hanging and fixing of the recycling bag and effectively improves convenience.

[0040] Furthermore, the micro pump is connected to a mobile power source.

[0041] The aforementioned technical measures include a micro pump connected to a mobile power source, eliminating the need for wired mains power, facilitating first aid training in different locations, and effectively improving convenience.

[0042] One or more technical solutions provided by this utility model have at least the following technical effects or advantages:

[0043] This invention addresses the unique challenges of teaching compression hemostasis in first aid training for teenagers, and takes into account the special characteristics of the body's major blood vessels. By using a micro-pump, a liquid bag, and three tubes connected to the liquid bag, it visually simulates the flow of blood in arteries, veins, and capillaries, allowing teenagers to intuitively understand and practice hemostasis (simulated compression hemostasis) during first aid training.

[0044] This invention uses the pressure in different blood vessels in the human body as a reference benchmark and employs an adjustable micro-pump to set different pumping pressures. By simulating the conduction of arteries, veins, or capillaries, the micro-pump outputs the corresponding pumping pressure, so that the liquid in the liquid bag is transported through the corresponding pipeline, thus intuitively simulating the phenomenon of blood flow in the corresponding blood vessels in the human body. Of course, this simulation is only for the purpose of illustrative teaching and does not require a high degree of simulation of human blood vessels.

[0045] This invention simulates the blood flow phenomenon in corresponding blood vessels in the human body, and forces the fluid flow to stop by pressing the current pipeline, simulating the process of compression hemostasis. This helps teenagers intuitively understand the blood flow phenomenon in corresponding blood vessels in the human body, and, combined with theory, practice to master the methods and force of compression hemostasis for bleeding in different blood vessels, effectively improving the teaching effect of first aid training for teenagers. Attached Figure Description

[0046] The accompanying drawings, which are provided to further illustrate the embodiments of the present invention and constitute a part of the present invention, do not constitute a limitation thereof.

[0047] Figure 1 This is a schematic diagram of the structure of this utility model;

[0048] Figure 2 This is a schematic diagram of the present invention;

[0049] Among them, 1-liquid bag; 2-simulated artery; 3-simulated vein; 4-simulated capillary; 5-micro pump; 6-valve; 7-controller; 8-arm cuff; 9-magic belt; 10-recycling bag; 11-drain pipe; 12-suspension belt; 13-mobile power supply. Detailed Implementation

[0050] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, where there is no conflict, the embodiments of this utility model and the features within them can be combined with each other.

[0051] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0052] Example 1

[0053] Reference Figures 1-2 This embodiment provides a compression hemostasis teaching tool for first aid training of teenagers. The compression hemostasis teaching tool has a liquid bag 1, a simulated artery 2, a simulated vein 3, a simulated capillary 4, and a micro pump 5.

[0054] The liquid bag 1 is used to store simulated blood; the wall of the liquid bag 1 has a capacity scale structure, and the liquid bag 1 is connected to a suspension strap 12.

[0055] Among them, liquid bag 1 has a transparent structure.

[0056] The simulated artery 2, simulated vein 3, and simulated capillary 4 are all transparent structures and are connected to the liquid bag 1 respectively. The simulated artery 2, simulated vein 3, and simulated capillary 4 are each connected to a valve 6 that controls the on / off state of the pipeline.

[0057] The micro pump 5 is used to output pumping pressure to the liquid bag 1, and the pumping pressure of the micro pump 5 is adjustable according to the set flow rate of the simulated artery 2, simulated vein 3 and simulated capillary 4.

[0058] The compression hemostasis teaching aid also has a controller 7;

[0059] Valves 6, which simulate arteries 2, veins 3, and capillaries 4, are respectively connected to the controller 7 via signals.

[0060] The operation of the micro pump 5 is controlled by the controller 7;

[0061] The controller 7 adjusts the corresponding pumping pressure of the micro pump 5 by using the signal of the opening state of the corresponding valve 6 on the simulated artery 2, simulated vein 3, or simulated capillary 4, so that the micro pump 5 outputs a set flow rate pumping pressure to the liquid bag 1 corresponding to the simulated artery 2, simulated vein 3, or simulated capillary 4.

[0062] Based on the physiological blood pressure range of arteries, veins and capillaries, the values ​​of each mid-range are selected as the pumping pressure values ​​of the micro pump 5. That is, the micro pump 5 has three pumping pressure levels: 100 mmHg, 25 mmHg and 10 mmHg, which correspond to simulated arteries 2, simulated veins 3 and simulated capillaries 4, respectively.

[0063] The micro pump 5 is connected to a mobile power supply 13.

[0064] The mobile power supply 13 is used to supply power to the micro pump 5, the controller 7, and the valves 6 on the simulated artery 2, simulated vein 3, and simulated capillary 4.

[0065] The compression hemostasis teaching aid also has an armband that can be used to bind and fix the human arm;

[0066] Simulated arteries 2, simulated veins 3, and simulated capillaries 4 are integrated on the armband 8, and the simulated arteries 2, simulated veins 3, and simulated capillaries 4 are arranged at intervals and relatively independently on the armband 8;

[0067] The armband 8 is transparent at least in the area where the simulated artery 2, simulated vein 3, and simulated capillary 4 are integrated.

[0068] At both ends of the unfolded structure, the arm strap 8 is connected to a tight-fitting Velcro strap 9.

[0069] The compression hemostasis teaching aid also has a recycling bag 10;

[0070] Simulated artery 2, simulated vein 3 and simulated capillary 4 are respectively connected to recycling bag 10;

[0071] The recycling bag 10 is used to collect simulated blood discharged from simulated arteries 2, simulated veins 3, or simulated capillaries 4.

[0072] The recycling bag 10 has a drain pipe 11, and a valve 6 is connected to the drain pipe 11 to control the on / off state of the pipeline.

[0073] The drain pipe 11 of the recycling bag 10 is connected to the liquid bag 1 via a circulation pipeline and is used to circulate the simulated blood collected by the recycling bag 10 to the liquid bag 1.

[0074] The recycling bag 10 is connected to a hanging strap 12.

[0075] In application, hang the liquid bag 1 on the trainee's body at a suitable position, suspend the recycling bag 10 at a suitable position, tighten the armband 8 on the arm with the Velcro strap 9, open the valve 6 on the simulated artery 2, and the opening status signal of the valve 6 on the simulated artery 2 is fed back to the controller 7. The controller 7 adjusts the pumping pressure of the micro pump 5 to 100 mmHg based on the opening status signal of the valve 6 on the simulated artery 2, and outputs the pumping pressure to the liquid bag 1. The simulated blood in the liquid bag 1 flows into the simulated artery 2, and the simulated blood in the simulated artery 2 flows into the recycling bag 10. Through the drain tube 11 of the recycling bag 10, the simulated blood circulates to the liquid bag 1. By pressing the simulated artery 2, the flow of fluid in the simulated artery 2 can be forced to stop, completing the practical teaching of simulated blood flow in arteries and simulated compression hemostasis.

[0076] After completing the hands-on training on the simulated artery, valve 6 on the simulated artery 2 is closed, and valve 6 on the simulated vein 3 is opened. The opening status signal of valve 6 on the simulated vein 3 is fed back to controller 7. Controller 7 adjusts the pumping pressure of micro pump 5 to 25 mmHg based on the opening status signal of valve 6 on the simulated vein 3, and outputs pumping pressure to liquid bag 1. The simulated blood in liquid bag 1 flows into simulated vein 3, and the simulated blood in simulated vein 3 flows into recovery bag 10. Through the drain tube 11 of recovery bag 10, the simulated blood circulates to liquid bag 1. By pressing simulated vein 3, the flow of fluid in simulated vein 3 can be forced to stop, thus completing the hands-on training on blood flow simulation and simulated compression hemostasis for veins.

[0077] After completing the hands-on training on the simulated vein, valve 6 on the simulated vein 3 is closed, and valve 6 on the simulated capillary 4 is opened. The opening status signal of valve 6 on the simulated capillary 4 is fed back to controller 7. Controller 7 adjusts the pumping pressure of micro pump 5 to 10 mmHg based on the opening status signal of valve 6 on the simulated capillary 4, and outputs pumping pressure to liquid bag 1. The simulated blood in liquid bag 1 flows into simulated capillary 4, and the simulated blood in simulated capillary 4 flows into recovery bag 10. Through the drain tube 11 of recovery bag 10, the simulated blood circulates to liquid bag 1. By pressing the simulated capillary 4, the flow of fluid in the simulated capillary 4 can be forced to stop, completing the hands-on training on blood flow simulation and simulated compression hemostasis for capillaries. Valve 6 on simulated capillary 4 is then closed, and the hands-on training ends.

[0078] The simulation in this embodiment is only for the purpose of illustrative teaching and does not require a high degree of simulation of human blood vessels.

[0079] Example 2

[0080] The rest of the content of this embodiment is the same as that of embodiment 1, except that:

[0081] The liquid bag has a capacity scale structure on its wall.

[0082] Example 3

[0083] The rest of the content of this embodiment is the same as that of embodiment 1, except that:

[0084] The liquid bag is connected to a hanging strap.

[0085] Although preferred embodiments of the present invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the present invention.

[0086] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A compression hemostasis teaching aid for first-aid training of teenagers, characterized in that: the compression hemostasis teaching aid has a liquid bag (1), a simulated arterial blood vessel (2), a simulated venous blood vessel (3), a simulated capillary blood vessel (4), and a micro-pump (5); the liquid bag (1) is used for storing simulated blood; the simulated arterial blood vessel (2), the simulated venous blood vessel (3), and the simulated capillary blood vessel (4) are transparent structures and are respectively connected with the liquid bag (1), and the simulated arterial blood vessel (2), the simulated venous blood vessel (3), and the simulated capillary blood vessel (4) are respectively connected with valves (6) for controlling the on / off state of the pipeline; and the micro-pump (5) is used for outputting pumping pressure to the liquid bag (1), and the pumping pressure of the micro-pump (5) is adjustable corresponding to the set flow rate of the simulated arterial blood vessel (2), the simulated venous blood vessel (3), and the simulated capillary blood vessel (4).

2. The compression hemostasis teaching aid for first-aid training of teenagers according to claim 1, characterized in that: the compression hemostasis teaching aid further has a controller (7); the valves (6) of the simulated arterial blood vessel (2), the simulated venous blood vessel (3), and the simulated capillary blood vessel (4) are respectively connected with the controller (7) in signal; the action of the micro-pump (5) is controlled by the controller (7); and the controller (7) adjusts the corresponding pumping pressure of the micro-pump (5) according to the signal of the open state of the corresponding valve (6) on the simulated arterial blood vessel (2), the simulated venous blood vessel (3), or the simulated capillary blood vessel (4), so that the micro-pump (5) outputs the pumping pressure corresponding to the set flow rate of the simulated arterial blood vessel (2), the simulated venous blood vessel (3), or the simulated capillary blood vessel (4) to the liquid bag (1).

3. The compression hemostasis teaching aid for first-aid training of teenagers according to claim 1 or 2, characterized in that: the compression hemostasis teaching aid further has an arm band (8) capable of being fixed on a human arm; the simulated arterial blood vessel (2), the simulated venous blood vessel (3), and the simulated capillary blood vessel (4) are integrated on the arm band (8), and the simulated arterial blood vessel (2), the simulated venous blood vessel (3), and the simulated capillary blood vessel (4) are arranged at intervals on the arm band (8) and are relatively independent; and the arm band (8) is a transparent structure at least in the region where the simulated arterial blood vessel (2), the simulated venous blood vessel (3), and the simulated capillary blood vessel (4) are integrated.

4. The compression hemostasis teaching aid for first-aid training of teenagers according to claim 3, characterized in that: the arm band (8) is connected with magic bands (9) for tightening and bonding at both ends of the unfolded structure.

5. The compression hemostasis teaching aid for first-aid training of teenagers according to claim 1, characterized in that: the compression hemostasis teaching aid further has a recovery bag (10); the simulated arterial blood vessel (2), the simulated venous blood vessel (3), and the simulated capillary blood vessel (4) are respectively connected with the recovery bag (10); and the recovery bag (10) is used for collecting the simulated blood discharged from the simulated arterial blood vessel (2), the simulated venous blood vessel (3), or the simulated capillary blood vessel (4). ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 6. The compression hemostasis teaching aid for first-aid training of teenagers according to claim 5, characterized in that: The recovery bag (10) is provided with a drainage pipe (11) connected with a valve (6) for controlling the on / off state of the pipe.

7. The compression hemostasis teaching aid for first-aid training of teenagers according to claim 6, characterized in that: The drainage pipe (11) of the recovery bag (10) is connected with the liquid bag (1) through a circulation pipe, which is used for circulating the simulated blood collected by the recovery bag (10) to the liquid bag (1).

8. The compression hemostasis teaching aid for first-aid training of teenagers according to claim 1 or 7, characterized in that: The bag wall of the liquid bag (1) is provided with a capacity scale structure; And / or, the liquid bag (1) is connected with a hanging belt (12).

9. The compression hemostasis teaching aid for first-aid training of teenagers according to claim 5, characterized in that: The recovery bag (10) is connected with a hanging belt (12).

10. The compression hemostasis teaching aid for first-aid training of teenagers according to claim 1 or 2, characterized in that: The micro-pump (5) is connected with a mobile power supply (13).

Images