Measurement method for detecting cardiac cycle through human body pulse change

Abstract

The invention discloses a measuring method for detecting a cardiac cycle through human body pulse changes, and belongs to the field of medical health by collecting biological signals caused by the human body pulse changes and then converting the biological signals into physical signals. Comprising the steps of collecting data of 50-300 Hz per second of human blood pressure, heart rate and cardiac cycle changes, calculating a pulse sensing optimal pressure value, data operation analysis programming software, a pulse sensing optimal pressure value calculation formula, a pulse sensing optimal pressure value calculation formula, a pulse sensing optimal pressure value calculation formula and a pulse sensing optimal pressure value calculation formula. The electronic element main board, the battery, the electromagnetic valve, the air pump, the pressure sensor, the cuff, the constant-speed air escape valve, the three-way air valve, the WiFi module, the data acquisition memory module and the data analysis software module are configured. The system has the advantages that a curve graph formed by connecting human body cardiac cycle pulse changes can be seen clearly, common people can know heart diseases more visually, and 24-hour dynamic blood pressure monitoring, dynamic cardiac cycle change monitoring and remote query can be carried out through WiFi module transmission and mobile phone APP interconnection.

Description

Technical Field

[0001] The invention of the measuring method technology relates to the technical field of dynamic blood pressure measurement and cardiac cycle change measurement method, and specifically relates to a simple measuring method and an intelligent device for the measuring method of dynamic monitoring of vascular pressure and cardiac cycle change. Background Art

[0002] As people's living standards improve, their pursuit of disease prevention and fitness is also increasing, and the automatic intelligence of disease prevention and fitness equipment has become a trend. Many people will have different degrees of hypertension and hyperlipidemia and other cardiovascular and cerebrovascular diseases, such as: blood vessel stenosis, blockage and other poor blood flow causing coronary heart disease, myocardial infarction and cerebral stroke. The existing detection equipment is complex, large and highly professional, which cannot enable ordinary patients to achieve the purpose of self-testing and early detection of diseases. Summary of the invention

[0003] The purpose of the invention of this measurement method is to address the defects and shortcomings of the existing heart and blood vessel measurement equipment technology, such as complexity, professionalism, and bulkiness, and to provide an intelligent device that can be easily used for dynamic monitoring of blood vessels and heart, and has functions such as 24-hour dynamic blood pressure monitoring and dynamic cardiac cycle change frequency monitoring.

[0004] To achieve the above purpose, the technical solution adopted by the invention of the measuring method is: it includes the development of data operation software, a main control chip, a data storage module, a battery detection module, a solenoid valve, a button and a measuring air pump; the battery detection module, the data storage module, the solenoid valve, the button and the measuring air pump are respectively connected to the main control chip for control; It also includes a pressure sensor module, a wireless transmission module (Bluetooth, WiFi, GPS module), a display screen module, an audio voice vibration module, an external power supply detection module, an external main control upgrade socket, an external lithium battery low-power sleep activation socket, a data storage module, etc., which are respectively connected to the main control chip control; the three-way solenoid valve and the measuring air pump, the pressure sensor, the cuff, and the uniform speed air release valve constitute a single-side cuff measurement air circuit; preferably, the 50 to 300 Hz pressure sensor module is a capacitive sensor or a resistive sensor; preferably, the button includes a main switch and a selection key for a dynamic detection mode and a normal measurement mode; preferably, the measuring air pump is a micro air pump; after adopting the above structure, the beneficial effects of the invention of the measurement method are: a method for measuring dynamic changes in vascular pressure and cardiac cycle described in the present invention The intelligent device is pressurized by a micro air pump. The micro air pump uses the magnetic field conversion of 50 Hz alternating current to drive the magnetic core to vibrate, drive the leather cavity compressed air to output high-pressure air to the cuff airbag tied to the upper arm of the human body, adjust the inflation pressure value through the pressure sensor, calculate the optimal pressure value for pulse sampling induction through the self-developed software, and then realize the inflation, air retention, exhaust and automatic conversion functions of the cuff through the switch conversion of the solenoid valve. When the cuff airbag is inflated by the air pump, the pressure in the cuff airbag tied to the upper arm of the human body is adjusted through the pressure sensor. The principle of oscillometric method or pulse wave method is used to collect and transmit data such as the strength and interval time of the pulse to the data storage module and the main control chip, and the wireless transmission module (Bluetooth, WiFi) , GPS module) transmits data to the background database, and automatically analyzes and compares it through self-compiled software to form text data and dynamic graphics. Users can download APP through mobile phones and computers to connect and view relevant measurement data and measurement indicators; it can monitor 24-hour dynamic blood pressure and cardiac cycle indicators, provide convenience and help for patients' self-defense, and can provide early warning prompts of blood pressure and myocardial infarction to patients through the indicators of dynamic monitoring data.

[0005] BRIEF DESCRIPTION OF THE DRAWINGS In order to more clearly illustrate the embodiments of the measuring method invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below, and will be clearly introduced. Figure 1 It is a structural schematic diagram of the present invention; Figure 2 Schematic diagram of measuring cardiac cycle pulse changes according to the present invention Figure 1 ; Figure 3 Schematic diagram of measuring cardiac cycle pulse changes according to the present invention Figure 2 . DETAILED DESCRIPTION

[0006] The present invention will be further described below; When the measuring gas circuit is working, the battery detection module detects the battery status of the equipment and feeds back to the main control chip; by pressing the button to select the operation mode, the pressure sensor feeds back the air pressure in the gas circuit to the main control chip, and the main control chip controls whether the solenoid valve is energized and whether the micro air pump is turned on and off through the drive circuit; at the same time, the main control chip controls the display screen module to display in real time and the audio voice vibration module to broadcast voice; When measuring or in the process, no matter at which step the power is too low or the measurement error occurs, the main control chip will switch the three-way solenoid valve to the deflation state for deflation and keep it for a period of time to ensure that the gas in the cuff airbag is exhausted.

[0007] Preferably, the pressure sensor module is a capacitive sensor or a resistive sensor; Preferably, the buttons include a main switch and selection keys for a dynamic detection mode (24-hour measurement mode) and a normal measurement mode (single measurement mode).

[0008] In this specific implementation mode: the main control chip adopts a micro control unit, which is the core component of the device, a bridge between various devices, and the brain that controls the operation of the device and the coordination between devices; The external power supply detection module is used to monitor the voltage, current, temperature, etc. of the external input current. When it exceeds the specified value, it will automatically protect and cut off the power to protect the equipment from being damaged by high voltage and high current. The battery detection module is used to detect the battery, voltage, capacity, temperature, as well as the battery full charge protection and low voltage automatic power off and sleep; The wireless transmission module (Bluetooth, WiFi, GPS module) is used to transmit the data collected by the device to the terminal database wirelessly; The solenoid valve is used to control the pressure adjustment, conversion and exhaust of the air bag in the cuff during measurement; The button includes the main switch of the device and the selection button of dynamic detection mode and normal measurement mode; The measuring air pump is used to inflate the cuff airbag; The pressure sensor module is used to adjust the inflation pressure value in the cuff airbag and collect data such as the strength and interval of the human pulse in order to analyze indicators such as human blood pressure, heart rate and changes in the cardiac cycle; The display module is used to provide real-time measurement of time and pressure values, as well as classification memory query, classification data display and equipment fault identification, etc.; The external master control upgrade socket is the socket for burning and upgrading the master control software; The external lithium battery low power dormancy activation socket is an activation socket that must be activated with a set high current when the lithium battery is in a low power dormancy state before it can be recharged; The data storage module is used to temporarily store the measured human blood pressure, pulse, and 30-second cardiac cycle changes data that have not been timely connected to the wireless transmission module (Bluetooth, WiFi, GPS module) and uploaded to the terminal database. Once the upload is successful, the system will automatically identify and clear the online data and continue to store the data that has not been uploaded.

[0009] The working principle of this specific implementation method is: an oscillometric measurement method or a pulse wave measurement method is used to accurately measure the frequency index of human blood pressure and cardiac cycle changes by dual detection of the pulse wave intensity and the frequency wave of 50-300 (Hz) per second. The pressure sensor monitors the air pressure value in real time and feeds it back to the main control chip. The main control chip controls automatic inflation, pressure replenishment and exhaust, and automatic memory of the blood pressure measurement results of the year, month, and day. The pressure is automatically increased according to the blood pressure of the person being measured to adjust to the maximum value of the pulse measurement induction of the cardiac cycle. Dynamic blood pressure and dynamic change indicators of the cardiac cycle can be measured 24 hours a day.

[0010] The measurement method for vascular pressure and dynamic monitoring of cardiac cycle described in this specific embodiment includes the following functions: 1. Measure blood pressure; 2.Measure changes in the heart's cardiac cycle; 3. Memory; 4. Voice broadcast prompts throughout the measurement process; 5. The whole process of testing indicators is displayed on the screen; 6. Use 3.7V lithium battery for cyclic charging; 8. You can set or adjust the blood pressure and heart rate cycle change indicators to be measured multiple times within a day or multiple times within multiple days.

[0011] 9. During the measurement process, data is uploaded to the background server through the wireless transmission module (Bluetooth, WiFi, GPS module). The host can be instructed or shut down on the mobile phone or computer, and the dynamic monitoring of blood pressure and heart rate cycle change display graphs and indicators can be automatically displayed on the mobile phone or computer screen; 10. Code the device to query the device measurement data and shutdown operation in the background.

[0012] The measurement method for vascular pressure and dynamic monitoring of cardiac cycle described in this specific embodiment measures the high and low pressure of the human body during pressurization and exhaust by means of oscillometric or pulse wave detection. The self-invented software can intuitively display every detail of the changes in the cardiac cycle, and can detect 24-hour dynamic blood pressure and change indicators of vascular pressure values ​​in the cardiac cycle. The background system will automatically identify and analyze the recent physical condition of the person being tested and automatically upload it to the user's mobile phone, providing advice and assistance for the person being tested for early self-defense. The background data center will also establish a personal electronic file for the person being tested to query in the future.

[0013] The above description is only used to illustrate the technical solution of the present measurement method invention and is not intended to be limiting. Other modifications or equivalent substitutions made to the technical solution of the present measurement method invention by ordinary technicians in this field should be included in the scope of the claims of the present measurement method invention as long as they do not depart from the spirit and scope of the technical solution of the present measurement method invention.

Claims

1. A measurement method for detecting the cardiac cycle through changes in human pulse: including changes in the strength and frequency of pulse vibrations such as human blood pressure, heart rate, and cardiac cycle, through data collection at 50 to 300 Hz per second. The self-developed analysis software automatically parses the pulse change diagram of the human heart beat cycle, and can timely and accurately judge the real-time changes of blood pressure and heart. It provides important protection for timely discovery and timely intervention of patients with cardiovascular and cerebrovascular diseases. Remote monitoring through cloud technology provides solid health protection for critically ill patients and elderly patients. The dynamic cardiac cycle pulse frequency monitoring and real-time display of the cardiac cycle curve can be saved in the background cloud database, and the pressure and frequency of pressure waves generated by the human artery and vein are measured through the strength changes of the cardiac cycle of the human heart contraction and expansion. The normal and abnormal changes in the human heart beat cycle can be clearly seen.

2. The specific technical features are as follows: The characteristics of the invention scheme of the measurement technology are to collect biological signals caused by changes in human pulse and then convert the biological signals into physical signals. First, the data acquisition technology is measured by oscillometric method or pulse wave method. The high and low pressure values ​​of the human blood pressure of the person whose data is collected are measured, and then the value of the optimal pressure value of the pulse sensing of the person being measured is calculated by the data calculation programming software of the invention of the measurement method technology according to the values ​​of the high and low pressure of the person being measured. The device automatically inflates to this value and maintains this constant pressure value for 20 to 30 seconds. The setting of the optimal pressure value of pulse sensing of the invention of the measurement method technology is based on the selection of the best results of our actual measurement of tens of thousands of people in the past five years. The calculation formula is: measured person [(high pressure-low pressure) x 0.333 + low pressure = pulse optimal sensing pressure value]. The value obtained by the calculation formula is the optimal measurement pressure value of human pulse sensing, which is also the core of the invention of the measurement method technology. The device automatically inflates the bound cuff to this pressure value (the allowable error is not greater than ≤±3mmHg) and maintains this pressure value for 30 seconds. At the same time, the pulse wave data is collected and measured for 30 seconds. A capacitance sensor or a resistance sensor with a frequency of 50 (Hz) to 300 (Hz) per second is used for collection, and the data is analyzed by the data calculation programming software of the present invention, and converted into a simple and intuitive human cardiac cycle change detail diagram. The present invention integrates the automatic calculation software and the execution programming system of the analysis function and directly burns them into the main control of the device. Through the self-compiled software program analysis, the curve diagram of the changes in the pulse wave fluctuations generated by the intravascular pressure of each cardiac cycle of the human body can be clearly seen on the display screen, so that the measurement person can intuitively see the normal curve display diagram or abnormal curve display diagram of each cardiac cycle, so that ordinary people can understand premature beats, atrial fibrillation, heart failure, tachycardia, arrhythmia, heart rhythm disorders and other heart diseases through graphics.

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