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Medical opening report

With the rapid development of science and technology and the rapid improvement of living standards, people's requirements for physical health protection are getting higher and higher. When the patient highlights sudden illness such as heart disease, cerebral hemorrhage, hypoglycemia, epilepsy, etc., the patient's life safety will largely depend on whether the patient can receive effective assistance in the shortest time. This naturally promotes the development of emergency services and the popularization of commonly used first aid knowledge. However, in China, the entire first-aid system is still in its infancy, and many hidden dangers may affect the emergency efficiency after a patient's sudden illness. For example, what if a heart attacker suddenly falls ill while walking by the road? Call? If there is no public phone nearby? Looking for someone to help? Once mishandled by a non-professional, the delay in treatment is likely to be self-defeating. Take a taxi to the hospital? The data show that brain cells begin to die 5-10 minutes after the patient's heartbeat stops. In other words: in this case, professional emergency personnel must be present as soon as possible to ensure the patient's life safety. Thinking from this angle, I came up with the idea of ​​being able to design a device so that the patient's fall from the sudden onset of illness to the doctor's rush to the treatment process is simplified as soon as possible.
After consulting the relevant information at the Patent Office, I found that there is currently no such product design in China. A similarly creative design is to set up two metal contacts in a bottle and fill the interior with some mercury. When a person stands, the mercury is concentrated at one joint and the circuit is broken. When the person falls to the ground, the tilt of the bottle causes the mercury to contact the two contacts at the same time, the circuit is triggered, and the built-in alarm of the bottle gives an alarm to indicate help. This design is obviously very rough.
It only decides whether to report the alarm through the angle of the body tilt, instead of following the real physiological condition, there will inevitably be a high false positive rate.
It is nothing but the attention of others in the shortest time, but it does not simplify the whole process, so it will not have a substantial impact on improving the efficiency of ambulance.
Combined with my own vision and the shortcomings of the existing facilities, I hope to make a "post-ground emergency system": when the patient falls to the ground, use a monitoring device to sense the physiological conditions of patients such as blood pressure, pulse and other numerical analysis. Once it is determined that the patient has become ill, a radio signal is sent to the nearest first aid station, which locates the patient's location via GPS and dispatches the first responder as quickly as possible.
However, after more than two months of discussion, there has been almost no progress, and I have almost reached the point of giving up. However, with the constant encouragement and inspiration of the teacher, one day, the inspiration fortunately patronized my brain - sound and light for help, wired and wireless telephone alarms are mature technologies, the key is that no one can judge the patient falls for other reasons. A smart switch device that falls with sudden onset of illness.
Once this design can be achieved, it will have significant practical and social value. First, it gives patients the greatest protection in the most critical part of first aid, greatly reducing the risk of sudden illness; second, it will bring new concepts and new operating models to the emergency industry. Promote the popularization and promotion of related products; in addition, it can enable many middle-aged and elderly people with sudden illness to face life with ease and optimism, participate in more social activities, and the resulting social effects will be very impressive. .
Research plan
1. Throughout the design idea, it can be roughly divided into three parts of the first stage: to the hospital to further collect information about the specific physiological response of the patient when the fall of the disease, such as the posture of the ground, blood pressure, pulse changes. The key task at this stage is to grasp the difference between falling and falling from disease in normal situations through data analysis. The data estimate will focus on the collection of ECG and blood pressure values.
The second stage: choose the appropriate way to receive the desired physiological signals. The key to this phase is to select the appropriate sensor to receive a relatively weak physiological signal. It is estimated that the problem to be considered at this stage is to choose what performance sensor and how to distribute the sensor to achieve the best test results.
The third stage: design analysis circuit. The task at this stage is to analyze the electrical signals received by the sensors through logic circuits to determine whether the user's physical condition is normal. The main difficulty lies in how to find an appropriate mathematical model to match the experimental data and how to implement the model through the circuit. At present, there are two main implementation schemes: one is to perform signal calculation and recognition through logic circuits; the other is to use MCU programming to identify. The advantage of the first scheme is that the problem is directly handled, but when the signal to be processed is quite complicated, it is more appropriate to rely on the one-chip computer programming. Which option to choose depends on the situation.
The fourth stage: the results of the above stages are integrated to complete the finished product.
The entire project will be mainly guided by Mr. Zhou Qinglin and Mr. Zhou Wei. The general schedule is as follows:
Accumulation of data from December 15, 2001 to January 15, 2002
Model completed from January 15th to June 1st, 2002
The entire system was tested and improved from June 1st to August 2002.
2. It is expected that the research results will be given a specific mathematical model to determine the physical condition of the user based on physiological parameters such as blood pressure and pulse.
Complete the specific design and other two parts of the patient condition monitoring/alarm system in the “post-ground emergency system” and coordinate the work of the three systems in the demonstration.
The main difficulty is expected to be the blindness and lack of clues in the early stages of work caused by inexperience. In addition, because the whole design involves a lot of highly professional links, I must have great patience and determination to build the required knowledge step by step.

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Feasibility of the research The knowledge and ability preparation required for the research of this subject should be achieved through my efforts.
The instructors and relevant experts who need the research in this subject research institute have already had the means.
The material and environmental conditions required for this research project are not high and are relatively easy to solve.

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