41 results about "Heart rate fast" patented technology

The invention relates to a dynamic monitoring system and a warning method for a myocardial blood oxygen supply and demand state based on heart rate and pulses. The dynamic monitoring system is characterized by comprising a signal acquisition unit and a display terminal, wherein the signal acquisition unit comprises an initial blood pressure setting module, a signal acquisition module and a communication module, and the signal acquisition module is used for acquiring heart rate signals via a heart rate sensor, acquiring radial artery pulse signals via a pulse pressure sensor and sending acquired signals to the display terminal; the display terminal comprises a data transmission unit, a pulse signal processing unit, an exercise intensity detecting unit and a warning unit and is used for calculating subendocardial myocardial viability by means of analyzing the radial artery pulse signals in real time and assessing the myocardial blood oxygen supply and demand state according to the current exercise intensity of a user. The invention further provides the warning method of the dynamic monitoring system. The dynamic monitoring system and the warning method have the advantages that corresponding prompts and warnings can be provided for the user according to measurement results of the subendocardial myocardial viability rate, and dynamic monitoring on myocardial blood oxygen supply and demand state of a human body can be achieved.

The invention relates to a method for detecting a heart rate and a heartbeat interval without constraints in real time. The method utilizes an acceleration sensor installed on a bed side in a range ofa lower limb of a human body to measure bed body vibration caused by heartbeats, acquires acceleration sensor data by means of data acquisition equipment, and transmits the acceleration sensor data to an upper computer for processing. The method can automatically judge whether the person is in bed, detects the heart rate in real time when the person remains stationary, and is not affected by thesleeping posture. The method does not require training and learning, has the advantages of small calculation amount, good real-time performance and high precision, can obtain the heart rate and can obtain each heartbeat interval.

The invention discloses an animal heart rate monitoring system and a neural network based heart rate state recognition method. The monitoring system includes an acquisition device and an intelligent terminal application; the acquisition device can acquire a contact pressure, the heart rate, and the acceleration information of an animal to be monitored, and can determine if there is an effective contact or not according to the contact pressure; and the intelligent terminal application receives effective animal data of the acquisition device, and recognizes the effective animal data as an animal heart rate state. The recognition method is based on a neural network, can perform training and learning based on a sample set, and can recognize the animal heat rate state on the basis of the trained model. The monitoring system can achieve automatic detection and remote real-time monitoring of the animal heart rate without manual detection or records, and can save lots of manpower. The recognition method can eliminate differences in species, ages, individuals and motion states of the animals, is really customized for each object to be monitored, and can achieve accurate and effective body temperature monitoring.

The invention discloses a blood pressure and heart rate test instrument which comprises a blood pressure and heart rate acquisition module, a blood pressure and heart rate monitoring judgment module and a blood pressure and heart rate analysis module, wherein the blood pressure and heart rate acquisition module is used for obtaining and acquiring blood pressure and heart rate signals in the whole measurement process; the blood pressure and heart rate monitoring judgment module is used for preliminarily judging whether the signals obtained by the blood pressure and heart rate acquisition module are normal or not; the blood pressure and heart rate analysis module is used for analyzing states of blood pressure and heart rate in an exceptional situation and comprises a fuzzy self-learning setting module, a blood pressure and heart rate exception mathematic model library, a man-machine interface program module, a communication program module, a fault diagnosis module, a system comprehensive configuration module and data analysis storage and USB (universal serial bus) interface drive modules, and the modules are mutually triggered and coordinated by adopting a message mechanism. The blood pressure and heart rate test instrument can effectively perform subdivision on bradycardia, tachycardia, sinus arrest, dropped beat, premature beat, RonT and sinus arrhythmia in an arrhythmia situation and effectively give users a prompt.

The invention discloses a method and device for measuring a heart rate. The method comprises the following steps: if a heart rate detection signal triggered by a user is detected, detecting whether the current state of a smart watch meets the condition of heart rate detection; and if the current state of the smart watch meets the condition of the heart rate detection, starting the heart rate detection device, and obtaining the current heart rate data of the user via the heart rate detection device. When the user detects the heart rate, the method utilizes a light detection device to judge whether ambient light has an influence on the detection and detects and outputs a result if no influence happens, thus effectively preventing a mistaken detection result from misguiding and influencing the user.

The invention provides an ECG measurement-based heart rate earphone, a heart rate test method and a device, and relates to the technical field of earphones. The earphone structurally comprises an earphone body. The earphone body is provided with a left-ear electrode and a right-ear electrode. The earphone body is also provided with an acceleration sensor, a data processor and a communication module. The acceleration sensor is matched with the left-ear electrode and the right-ear electrode to collect the acceleration and the heart rate of a rider during riding. A corresponding table between a riding speed X, and the difference between a heart rate curve tested by three electrodes at the riding speed X, and a heart rate curve tested by two electrodes at the riding speed X, is established. After that, the data processor is placed into the corresponding table for query purpose. As a result, heart rate data can be tested by utilizing two electrodes. In combination with the actual riding speed tested by the acceleration sensor, heart rate data tested by utilizing three electrodes can be obtained through the inverse method. The ECG measurement-based heart rate earphone can utilize only two electrodes. Compare with existing heart rate earphone based on three electrodes, the above heart rate earphone is simple in structure and convenient to use. The heart rate test method is simple and easy to implement.

The invention discloses a heart rate dynamic time irreversibility analysis method based on equivalent arrangement which is applied to the physiological signal analysis technology field, and aims at solving a problem of lack of effective extraction of dynamic unbalance characteristics in the prior art. In the invention, a dynamic time irreversible concept is innovatively provided, a currently obtained heart rate signal serves as a positive sequence heart rate sequence, a time reverse sequence is performed on the positive sequence heart rate sequence so as to obtain a reverse sequence heart ratesequence. Then, multi-dimensional phase space reconstruction is performed on the positive sequence heart rate sequence and the reverse sequence heart rate sequence. Equivalent arrangement symbolization is performed on a space vector of the reconstructed positive and reverse heart rate sequences, and heart rate dynamic time irreversibility is extracted and identified by calculating a time irreversibility difference between the positive and reverse heart rate sequences in the past and the positive and reverse heart rate sequences in a current state based on equivalent arrangement. The method can be used to effectively extract and identify a dynamic time irreversible characteristic of the heart rates of healthy young people and old people.

The invention provides a cardiopulmonary exercise testing method and system based on real-time monitoring of the heart rate and blood pressure. The method comprises the following steps that body datawhen a user conducts first-level cardiopulmonary exercise endurance testing is monitored, wherein the body data comprises the real-time heart rate in the testing process; according to the measured real-time heart rate and blood pressure data, whether or not a motion testing stopping condition is met is judged, and if yes, testing is stopped, an acquired true MET value which represents the physicalquality of the user is used as the metabolic equivalent of cardiopulmonary exercise endurance testing of the user; if not, first-level cardiopulmonary exercise endurance testing is completed, and second-level cardiopulmonary exercise endurance testing is started; the steps above are repeated; if the user passes testing of all levels, the true MET value of the user is determined. The cardiopulmonary exercise testing method and system provide a good platform and scientific guidance for improvement of the physical quality of the whole people, and help to popularize a fitness concept among the public.

The invention discloses a heart rate monitoring device and a heart rate monitoring method.The heart rate monitoring device comprises a heart rate monitoring unit used to utilize a photogenerator to produce incident light of single wavelength light to a human skin, an analysis processing unit used for acquiring reflection light of the single wavelength light, analyzing the incident light and the reflection light and calculating according to a heart rate computational formula to acquire a current heart rate value, and a display and output unit used for displaying and outputting the heart rate value obtained through calculation of the analysis processing unit. The heart rate monitoring device is simple to operate and convenient to carry, the heart rate value is continuously detected, a heart rate curve is drawn, the current heart rate value or one section of the heart rate curve is chosen to be outputted according to the user input, and the heart rate condition of a user in a certain period of time is reflected through the heart rate curve.

The invention relates to the technical field of medical health, in particular to a heart rate calculation method based on heart sound. The method comprises the following steps of: acquiring real-timeheart sound signal and processing the waveform of the heart sound signal to form a calculable characteristic waveform; detecting the time interval T between adjacent two peaks and calculating an instantaneous heart rate value; calculating arithmetic mean values of the instantaneous heart rate values in turn according to each successive five beats; utilizing a system estimation method to process the arithmetic average values to obtain corresponding estimation values; carrying out anti-misjudgment processing on the calculated values and the estimated values. According to the calculation method,under the premise of accurate detecting the heart rates, the calculation amount is small, the complexity is low and the real-time property is good, and the calculation method is suitable for calculation on the basis of an embedded chip, so that the development cost of a enterprise product can be reduced; Kalman estimation equation is used in the data processing, so that the final result cannot beinfluenced by the signal-to-noise ratio and the human and environmental interference, and meanwhile, stable and reliable heart rate results can be obtained.

The invention relates to the technical field of physiological data collection, and discloses heart rate variability monitoring underwear. The heart rate variability monitoring underwear comprises a heart rate variability module arranged on the underwear, and the heart rate variability module comprises three sampling electrodes, an ADC sampling unit, a heart rate variability analysis unit and a micro control unit, wherein the three sampling electrodes make contact with the skin to obtain physiological electronic signals; the ADC sampling unit is in signal connection with two sampling electrodes to extract weak bio-electricity signals; the heart rate variability analysis unit obtains heart rate data according to the bio-electricity signals extracted by the ADC sampling unit, carries out heart rate variability analysis on the heart rate data, and outputs a heart rate variability analysis result; the micro control unit coordinates work of all the units. As the heart rate variability module capable of collecting heart rate change is arranged on the underwear, it can be ensured that the heart rate variability module makes contact with the skin in real time, the heart rate data can be collected in real time, heart rate variability can be predicted and reminded in real time, timeliness of electrocardio acquisition data and prediction accuracy is improved, and the mental stress and sudden death risk of a user are prevented and reminded.

The embodiment of the invention discloses a heart rate patch and a heart rate monitor. The heart rate patch comprises a power supply module and a heart rate sensor, and the power supply module is connected with the heart rate sensor and used for supplying power to the heart rate sensor; the power supply module comprises a coil winding and an electricity storage unit, the coil winding and an external electricity generation coil generate electric energy through electromagnetic induction and/or magnetic resonance, and the electric energy is stored in the electricity storage unit; the heart rate sensor is used for detecting the heart rate of a user and obtaining heart rate detection data. According to the embodiment of the invention, by arranging the power supply module comprising the coil winding and the electricity storage unit in the heart rate patch, the coil winding and the external electricity generation coil generate electric energy through electromagnetic induction and/or magneticresonance, the electric energy is stored in the electricity storage unit, and thus there is no need to occupy the space of the heart rate patch by a battery. The heart rate patch of the embodiment ofthe invention does not restrain the activity space of a testee, and the portability is improved accordingly.

Disclosed embodiments pertain to the measurement of heart rate in the presence of motion and noise. Spectral peaks in measurements by an optical sensor are compared with spectral peaks obtained from amotion sensor signal measurements, to obtain a fundamental frequency in the optical sensor signal, where the fundamental frequency is associated with a user's heart rate. A first heart rate may be estimated based on the fundamental frequency. A variety of quality metrics may be determined for the first heart rate estimate. A second estimated heart rate may be determined based by processing a frequency domain representation of the optical sensor signal based on a frequency domain representation of the motion sensor signal. One or more of the previously determined quality metrics may be dynamically adjusted based on a comparison of first and second estimated heart rates.

The invention discloses a portable heart rate monitor which is characterized by comprising a control module, a heart rate testing module and a display module, wherein the control module is connected with the heart rate testing module and the display module. According to the portable heart rate monitor, the transparency of human tissues is measured through a photoelectric sensor, noninvasive monitoring is conducted on the human pulse, the heart rate is measured efficiently, fast, conveniently and accurately in real time in combination with a single chip microcomputer technology, life safety guarantee is provided for people, and data and help are provided for the medical process of doctors.

The invention discloses a heart rate data real-time monitoring method and system. The heart rate data of a user is collected through heart rate collecting equipment worn on the user body; the heart rate data collected by the heart rate collecting equipment is received in a wireless communication mode; the heart rate data is subjected to preset processing and is then shown. The method and the system have the advantages that monitoring persons can conveniently and remotely know the movement condition of a monitored person in real time, so that a more reasonable and scientific movement plan can be conveniently made on the basis of the movement condition of the monitored person in the subsequent process; a better movement effect is achieved; the customer experience is improved.